root / lib / hypervisor / hv_kvm.py @ 596b2459
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1 | eb58f9b1 | Guido Trotter | #
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2 | eb58f9b1 | Guido Trotter | #
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3 | eb58f9b1 | Guido Trotter | |
4 | 41e794f6 | Apollon Oikonomopoulos | # Copyright (C) 2008, 2009, 2010, 2011 Google Inc.
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5 | eb58f9b1 | Guido Trotter | #
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6 | eb58f9b1 | Guido Trotter | # This program is free software; you can redistribute it and/or modify
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7 | eb58f9b1 | Guido Trotter | # it under the terms of the GNU General Public License as published by
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8 | eb58f9b1 | Guido Trotter | # the Free Software Foundation; either version 2 of the License, or
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9 | eb58f9b1 | Guido Trotter | # (at your option) any later version.
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10 | eb58f9b1 | Guido Trotter | #
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11 | eb58f9b1 | Guido Trotter | # This program is distributed in the hope that it will be useful, but
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12 | eb58f9b1 | Guido Trotter | # WITHOUT ANY WARRANTY; without even the implied warranty of
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13 | eb58f9b1 | Guido Trotter | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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14 | eb58f9b1 | Guido Trotter | # General Public License for more details.
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15 | eb58f9b1 | Guido Trotter | #
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16 | eb58f9b1 | Guido Trotter | # You should have received a copy of the GNU General Public License
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17 | eb58f9b1 | Guido Trotter | # along with this program; if not, write to the Free Software
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18 | eb58f9b1 | Guido Trotter | # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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19 | eb58f9b1 | Guido Trotter | # 02110-1301, USA.
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20 | eb58f9b1 | Guido Trotter | |
21 | eb58f9b1 | Guido Trotter | |
22 | eb58f9b1 | Guido Trotter | """KVM hypervisor
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23 | eb58f9b1 | Guido Trotter |
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24 | eb58f9b1 | Guido Trotter | """
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25 | eb58f9b1 | Guido Trotter | |
26 | 547a63b7 | Balazs Lecz | import errno |
27 | eb58f9b1 | Guido Trotter | import os |
28 | eb58f9b1 | Guido Trotter | import os.path |
29 | eb58f9b1 | Guido Trotter | import re |
30 | eb58f9b1 | Guido Trotter | import tempfile |
31 | 6567aff3 | Guido Trotter | import time |
32 | 30e42c4e | Guido Trotter | import logging |
33 | d19d94db | Guido Trotter | import pwd |
34 | 199b2053 | Apollon Oikonomopoulos | import struct |
35 | 199b2053 | Apollon Oikonomopoulos | import fcntl |
36 | 5d9bfd87 | Apollon Oikonomopoulos | import shutil |
37 | eb58f9b1 | Guido Trotter | |
38 | eb58f9b1 | Guido Trotter | from ganeti import utils |
39 | eb58f9b1 | Guido Trotter | from ganeti import constants |
40 | eb58f9b1 | Guido Trotter | from ganeti import errors |
41 | 38e250ba | Guido Trotter | from ganeti import serializer |
42 | 38e250ba | Guido Trotter | from ganeti import objects |
43 | 76431533 | Guido Trotter | from ganeti import uidpool |
44 | 76431533 | Guido Trotter | from ganeti import ssconf |
45 | eb58f9b1 | Guido Trotter | from ganeti.hypervisor import hv_base |
46 | a744b676 | Manuel Franceschini | from ganeti import netutils |
47 | 5d9bfd87 | Apollon Oikonomopoulos | from ganeti.utils import wrapper as utils_wrapper |
48 | eb58f9b1 | Guido Trotter | |
49 | eb58f9b1 | Guido Trotter | |
50 | 748e4b5a | Michael Hanselmann | _KVM_NETWORK_SCRIPT = constants.SYSCONFDIR + "/ganeti/kvm-vif-bridge"
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51 | 748e4b5a | Michael Hanselmann | |
52 | 199b2053 | Apollon Oikonomopoulos | # TUN/TAP driver constants, taken from <linux/if_tun.h>
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53 | 199b2053 | Apollon Oikonomopoulos | # They are architecture-independent and already hardcoded in qemu-kvm source,
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54 | 199b2053 | Apollon Oikonomopoulos | # so we can safely include them here.
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55 | 199b2053 | Apollon Oikonomopoulos | TUNSETIFF = 0x400454ca
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56 | 199b2053 | Apollon Oikonomopoulos | TUNGETIFF = 0x800454d2
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57 | 199b2053 | Apollon Oikonomopoulos | TUNGETFEATURES = 0x800454cf
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58 | 199b2053 | Apollon Oikonomopoulos | IFF_TAP = 0x0002
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59 | 199b2053 | Apollon Oikonomopoulos | IFF_NO_PI = 0x1000
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60 | 199b2053 | Apollon Oikonomopoulos | IFF_VNET_HDR = 0x4000
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61 | 199b2053 | Apollon Oikonomopoulos | |
62 | 199b2053 | Apollon Oikonomopoulos | |
63 | 199b2053 | Apollon Oikonomopoulos | def _ProbeTapVnetHdr(fd): |
64 | 199b2053 | Apollon Oikonomopoulos | """Check whether to enable the IFF_VNET_HDR flag.
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65 | 199b2053 | Apollon Oikonomopoulos |
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66 | 199b2053 | Apollon Oikonomopoulos | To do this, _all_ of the following conditions must be met:
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67 | 199b2053 | Apollon Oikonomopoulos | 1. TUNGETFEATURES ioctl() *must* be implemented
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68 | 199b2053 | Apollon Oikonomopoulos | 2. TUNGETFEATURES ioctl() result *must* contain the IFF_VNET_HDR flag
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69 | 199b2053 | Apollon Oikonomopoulos | 3. TUNGETIFF ioctl() *must* be implemented; reading the kernel code in
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70 | 199b2053 | Apollon Oikonomopoulos | drivers/net/tun.c there is no way to test this until after the tap device
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71 | 199b2053 | Apollon Oikonomopoulos | has been created using TUNSETIFF, and there is no way to change the
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72 | 199b2053 | Apollon Oikonomopoulos | IFF_VNET_HDR flag after creating the interface, catch-22! However both
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73 | 199b2053 | Apollon Oikonomopoulos | TUNGETIFF and TUNGETFEATURES were introduced in kernel version 2.6.27,
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74 | 199b2053 | Apollon Oikonomopoulos | thus we can expect TUNGETIFF to be present if TUNGETFEATURES is.
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75 | 199b2053 | Apollon Oikonomopoulos |
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76 | 199b2053 | Apollon Oikonomopoulos | @type fd: int
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77 | 199b2053 | Apollon Oikonomopoulos | @param fd: the file descriptor of /dev/net/tun
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78 | 199b2053 | Apollon Oikonomopoulos |
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79 | 199b2053 | Apollon Oikonomopoulos | """
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80 | 199b2053 | Apollon Oikonomopoulos | req = struct.pack("I", 0) |
81 | 199b2053 | Apollon Oikonomopoulos | try:
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82 | 199b2053 | Apollon Oikonomopoulos | res = fcntl.ioctl(fd, TUNGETFEATURES, req) |
83 | 199b2053 | Apollon Oikonomopoulos | except EnvironmentError: |
84 | 199b2053 | Apollon Oikonomopoulos | logging.warning("TUNGETFEATURES ioctl() not implemented")
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85 | 199b2053 | Apollon Oikonomopoulos | return False |
86 | 199b2053 | Apollon Oikonomopoulos | |
87 | 199b2053 | Apollon Oikonomopoulos | tunflags = struct.unpack("I", res)[0] |
88 | 199b2053 | Apollon Oikonomopoulos | if tunflags & IFF_VNET_HDR:
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89 | 199b2053 | Apollon Oikonomopoulos | return True |
90 | 199b2053 | Apollon Oikonomopoulos | else:
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91 | 199b2053 | Apollon Oikonomopoulos | logging.warning("Host does not support IFF_VNET_HDR, not enabling")
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92 | 199b2053 | Apollon Oikonomopoulos | return False |
93 | 199b2053 | Apollon Oikonomopoulos | |
94 | 199b2053 | Apollon Oikonomopoulos | |
95 | 199b2053 | Apollon Oikonomopoulos | def _OpenTap(vnet_hdr=True): |
96 | 199b2053 | Apollon Oikonomopoulos | """Open a new tap device and return its file descriptor.
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97 | 199b2053 | Apollon Oikonomopoulos |
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98 | 199b2053 | Apollon Oikonomopoulos | This is intended to be used by a qemu-type hypervisor together with the -net
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99 | 199b2053 | Apollon Oikonomopoulos | tap,fd=<fd> command line parameter.
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100 | 199b2053 | Apollon Oikonomopoulos |
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101 | 199b2053 | Apollon Oikonomopoulos | @type vnet_hdr: boolean
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102 | 199b2053 | Apollon Oikonomopoulos | @param vnet_hdr: Enable the VNET Header
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103 | 199b2053 | Apollon Oikonomopoulos | @return: (ifname, tapfd)
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104 | 199b2053 | Apollon Oikonomopoulos | @rtype: tuple
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105 | 199b2053 | Apollon Oikonomopoulos |
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106 | 199b2053 | Apollon Oikonomopoulos | """
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107 | 199b2053 | Apollon Oikonomopoulos | try:
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108 | 199b2053 | Apollon Oikonomopoulos | tapfd = os.open("/dev/net/tun", os.O_RDWR)
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109 | 199b2053 | Apollon Oikonomopoulos | except EnvironmentError: |
110 | 199b2053 | Apollon Oikonomopoulos | raise errors.HypervisorError("Failed to open /dev/net/tun") |
111 | 199b2053 | Apollon Oikonomopoulos | |
112 | 199b2053 | Apollon Oikonomopoulos | flags = IFF_TAP | IFF_NO_PI |
113 | 199b2053 | Apollon Oikonomopoulos | |
114 | 199b2053 | Apollon Oikonomopoulos | if vnet_hdr and _ProbeTapVnetHdr(tapfd): |
115 | 199b2053 | Apollon Oikonomopoulos | flags |= IFF_VNET_HDR |
116 | 199b2053 | Apollon Oikonomopoulos | |
117 | 199b2053 | Apollon Oikonomopoulos | # The struct ifreq ioctl request (see netdevice(7))
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118 | 199b2053 | Apollon Oikonomopoulos | ifr = struct.pack("16sh", "", flags) |
119 | 199b2053 | Apollon Oikonomopoulos | |
120 | 199b2053 | Apollon Oikonomopoulos | try:
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121 | 199b2053 | Apollon Oikonomopoulos | res = fcntl.ioctl(tapfd, TUNSETIFF, ifr) |
122 | 199b2053 | Apollon Oikonomopoulos | except EnvironmentError: |
123 | 199b2053 | Apollon Oikonomopoulos | raise errors.HypervisorError("Failed to allocate a new TAP device") |
124 | 199b2053 | Apollon Oikonomopoulos | |
125 | 199b2053 | Apollon Oikonomopoulos | # Get the interface name from the ioctl
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126 | 199b2053 | Apollon Oikonomopoulos | ifname = struct.unpack("16sh", res)[0].strip("\x00") |
127 | 199b2053 | Apollon Oikonomopoulos | return (ifname, tapfd)
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128 | 199b2053 | Apollon Oikonomopoulos | |
129 | 748e4b5a | Michael Hanselmann | |
130 | eb58f9b1 | Guido Trotter | class KVMHypervisor(hv_base.BaseHypervisor): |
131 | c4469f75 | Guido Trotter | """KVM hypervisor interface"""
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132 | d271c6fd | Iustin Pop | CAN_MIGRATE = True
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133 | eb58f9b1 | Guido Trotter | |
134 | eb58f9b1 | Guido Trotter | _ROOT_DIR = constants.RUN_GANETI_DIR + "/kvm-hypervisor"
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135 | a1d79fc6 | Guido Trotter | _PIDS_DIR = _ROOT_DIR + "/pid" # contains live instances pids |
136 | 7548396c | Guido Trotter | _UIDS_DIR = _ROOT_DIR + "/uid" # contains instances reserved uids |
137 | a1d79fc6 | Guido Trotter | _CTRL_DIR = _ROOT_DIR + "/ctrl" # contains instances control sockets |
138 | a1d79fc6 | Guido Trotter | _CONF_DIR = _ROOT_DIR + "/conf" # contains instances startup data |
139 | 5d9bfd87 | Apollon Oikonomopoulos | _NICS_DIR = _ROOT_DIR + "/nic" # contains instances nic <-> tap associations |
140 | 4f580fef | Sรฉbastien Bocahu | _KEYMAP_DIR = _ROOT_DIR + "/keymap" # contains instances keymaps |
141 | 547a63b7 | Balazs Lecz | # KVM instances with chroot enabled are started in empty chroot directories.
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142 | 547a63b7 | Balazs Lecz | _CHROOT_DIR = _ROOT_DIR + "/chroot" # for empty chroot directories |
143 | 547a63b7 | Balazs Lecz | # After an instance is stopped, its chroot directory is removed.
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144 | 547a63b7 | Balazs Lecz | # If the chroot directory is not empty, it can't be removed.
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145 | 547a63b7 | Balazs Lecz | # A non-empty chroot directory indicates a possible security incident.
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146 | 547a63b7 | Balazs Lecz | # To support forensics, the non-empty chroot directory is quarantined in
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147 | 547a63b7 | Balazs Lecz | # a separate directory, called 'chroot-quarantine'.
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148 | 547a63b7 | Balazs Lecz | _CHROOT_QUARANTINE_DIR = _ROOT_DIR + "/chroot-quarantine"
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149 | 5d9bfd87 | Apollon Oikonomopoulos | _DIRS = [_ROOT_DIR, _PIDS_DIR, _UIDS_DIR, _CTRL_DIR, _CONF_DIR, _NICS_DIR, |
150 | 547a63b7 | Balazs Lecz | _CHROOT_DIR, _CHROOT_QUARANTINE_DIR] |
151 | eb58f9b1 | Guido Trotter | |
152 | 205ab586 | Iustin Pop | PARAMETERS = { |
153 | 205ab586 | Iustin Pop | constants.HV_KERNEL_PATH: hv_base.OPT_FILE_CHECK, |
154 | 205ab586 | Iustin Pop | constants.HV_INITRD_PATH: hv_base.OPT_FILE_CHECK, |
155 | 205ab586 | Iustin Pop | constants.HV_ROOT_PATH: hv_base.NO_CHECK, |
156 | 205ab586 | Iustin Pop | constants.HV_KERNEL_ARGS: hv_base.NO_CHECK, |
157 | 205ab586 | Iustin Pop | constants.HV_ACPI: hv_base.NO_CHECK, |
158 | 205ab586 | Iustin Pop | constants.HV_SERIAL_CONSOLE: hv_base.NO_CHECK, |
159 | d73ef63f | Michael Hanselmann | constants.HV_VNC_BIND_ADDRESS: |
160 | 8b312c1d | Manuel Franceschini | (False, lambda x: (netutils.IP4Address.IsValid(x) or |
161 | 8b312c1d | Manuel Franceschini | utils.IsNormAbsPath(x)), |
162 | d73ef63f | Michael Hanselmann | "the VNC bind address must be either a valid IP address or an absolute"
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163 | d73ef63f | Michael Hanselmann | " pathname", None, None), |
164 | 205ab586 | Iustin Pop | constants.HV_VNC_TLS: hv_base.NO_CHECK, |
165 | 205ab586 | Iustin Pop | constants.HV_VNC_X509: hv_base.OPT_DIR_CHECK, |
166 | 205ab586 | Iustin Pop | constants.HV_VNC_X509_VERIFY: hv_base.NO_CHECK, |
167 | 6e6bb8d5 | Guido Trotter | constants.HV_VNC_PASSWORD_FILE: hv_base.OPT_FILE_CHECK, |
168 | b1cb62bd | Andrea Spadaccini | constants.HV_KVM_SPICE_BIND: hv_base.NO_CHECK, # will be checked later
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169 | b1cb62bd | Andrea Spadaccini | constants.HV_KVM_SPICE_IP_VERSION: |
170 | b1cb62bd | Andrea Spadaccini | (False, lambda x: (x == constants.IFACE_NO_IP_VERSION_SPECIFIED or |
171 | b1cb62bd | Andrea Spadaccini | x in constants.VALID_IP_VERSIONS),
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172 | b1cb62bd | Andrea Spadaccini | "the SPICE IP version should be 4 or 6",
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173 | b1cb62bd | Andrea Spadaccini | None, None), |
174 | cc130cc7 | Marco Casavecchia | constants.HV_KVM_FLOPPY_IMAGE_PATH: hv_base.OPT_FILE_CHECK, |
175 | 205ab586 | Iustin Pop | constants.HV_CDROM_IMAGE_PATH: hv_base.OPT_FILE_CHECK, |
176 | cc130cc7 | Marco Casavecchia | constants.HV_KVM_CDROM2_IMAGE_PATH: hv_base.OPT_FILE_CHECK, |
177 | d73ef63f | Michael Hanselmann | constants.HV_BOOT_ORDER: |
178 | d73ef63f | Michael Hanselmann | hv_base.ParamInSet(True, constants.HT_KVM_VALID_BO_TYPES),
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179 | d73ef63f | Michael Hanselmann | constants.HV_NIC_TYPE: |
180 | d73ef63f | Michael Hanselmann | hv_base.ParamInSet(True, constants.HT_KVM_VALID_NIC_TYPES),
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181 | d73ef63f | Michael Hanselmann | constants.HV_DISK_TYPE: |
182 | d73ef63f | Michael Hanselmann | hv_base.ParamInSet(True, constants.HT_KVM_VALID_DISK_TYPES),
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183 | cc130cc7 | Marco Casavecchia | constants.HV_KVM_CDROM_DISK_TYPE: |
184 | cc130cc7 | Marco Casavecchia | hv_base.ParamInSet(False, constants.HT_KVM_VALID_DISK_TYPES),
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185 | d73ef63f | Michael Hanselmann | constants.HV_USB_MOUSE: |
186 | d73ef63f | Michael Hanselmann | hv_base.ParamInSet(False, constants.HT_KVM_VALID_MOUSE_TYPES),
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187 | 4f580fef | Sรฉbastien Bocahu | constants.HV_KEYMAP: hv_base.NO_CHECK, |
188 | e2d14329 | Andrea Spadaccini | constants.HV_MIGRATION_PORT: hv_base.REQ_NET_PORT_CHECK, |
189 | e43d4f9f | Apollon Oikonomopoulos | constants.HV_MIGRATION_BANDWIDTH: hv_base.NO_CHECK, |
190 | e43d4f9f | Apollon Oikonomopoulos | constants.HV_MIGRATION_DOWNTIME: hv_base.NO_CHECK, |
191 | 783a6c0b | Iustin Pop | constants.HV_MIGRATION_MODE: hv_base.MIGRATION_MODE_CHECK, |
192 | 6b970cef | Jun Futagawa | constants.HV_USE_LOCALTIME: hv_base.NO_CHECK, |
193 | 19572932 | Iustin Pop | constants.HV_DISK_CACHE: |
194 | 19572932 | Iustin Pop | hv_base.ParamInSet(True, constants.HT_VALID_CACHE_TYPES),
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195 | d19d94db | Guido Trotter | constants.HV_SECURITY_MODEL: |
196 | d19d94db | Guido Trotter | hv_base.ParamInSet(True, constants.HT_KVM_VALID_SM_TYPES),
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197 | d19d94db | Guido Trotter | constants.HV_SECURITY_DOMAIN: hv_base.NO_CHECK, |
198 | 7ba594c0 | Guido Trotter | constants.HV_KVM_FLAG: |
199 | 7ba594c0 | Guido Trotter | hv_base.ParamInSet(False, constants.HT_KVM_FLAG_VALUES),
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200 | fbe27e2b | Guido Trotter | constants.HV_VHOST_NET: hv_base.NO_CHECK, |
201 | 547a63b7 | Balazs Lecz | constants.HV_KVM_USE_CHROOT: hv_base.NO_CHECK, |
202 | 4f958b0b | Miguel Di Ciurcio Filho | constants.HV_MEM_PATH: hv_base.OPT_DIR_CHECK, |
203 | 990ade2d | Stephen Shirley | constants.HV_REBOOT_BEHAVIOR: |
204 | 990ade2d | Stephen Shirley | hv_base.ParamInSet(True, constants.REBOOT_BEHAVIORS)
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205 | 205ab586 | Iustin Pop | } |
206 | 6b5605e8 | Iustin Pop | |
207 | d0c8c01d | Iustin Pop | _MIGRATION_STATUS_RE = re.compile("Migration\s+status:\s+(\w+)",
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208 | 30e42c4e | Guido Trotter | re.M | re.I) |
209 | c4e388a5 | Guido Trotter | _MIGRATION_INFO_MAX_BAD_ANSWERS = 5
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210 | c4e388a5 | Guido Trotter | _MIGRATION_INFO_RETRY_DELAY = 2
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211 | 30e42c4e | Guido Trotter | |
212 | 585c8187 | Guido Trotter | _VERSION_RE = re.compile(r"\b(\d+)\.(\d+)(\.(\d+))?\b")
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213 | b52d85c1 | Guido Trotter | |
214 | 64bfbc08 | Guido Trotter | ANCILLARY_FILES = [ |
215 | 64bfbc08 | Guido Trotter | _KVM_NETWORK_SCRIPT, |
216 | 64bfbc08 | Guido Trotter | ] |
217 | 64bfbc08 | Guido Trotter | |
218 | eb58f9b1 | Guido Trotter | def __init__(self): |
219 | eb58f9b1 | Guido Trotter | hv_base.BaseHypervisor.__init__(self)
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220 | eb58f9b1 | Guido Trotter | # Let's make sure the directories we need exist, even if the RUN_DIR lives
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221 | eb58f9b1 | Guido Trotter | # in a tmpfs filesystem or has been otherwise wiped out.
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222 | 29921401 | Iustin Pop | dirs = [(dname, constants.RUN_DIRS_MODE) for dname in self._DIRS] |
223 | 9afb67fe | Guido Trotter | utils.EnsureDirs(dirs) |
224 | eb58f9b1 | Guido Trotter | |
225 | 30786fc9 | Iustin Pop | @classmethod
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226 | 30786fc9 | Iustin Pop | def _InstancePidFile(cls, instance_name): |
227 | 98ec75d6 | Iustin Pop | """Returns the instance pidfile.
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228 | 98ec75d6 | Iustin Pop |
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229 | 98ec75d6 | Iustin Pop | """
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230 | 30786fc9 | Iustin Pop | return utils.PathJoin(cls._PIDS_DIR, instance_name)
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231 | 98ec75d6 | Iustin Pop | |
232 | 263b8de6 | Guido Trotter | @classmethod
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233 | 7548396c | Guido Trotter | def _InstanceUidFile(cls, instance_name): |
234 | 7548396c | Guido Trotter | """Returns the instance uidfile.
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235 | 7548396c | Guido Trotter |
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236 | 7548396c | Guido Trotter | """
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237 | 7548396c | Guido Trotter | return utils.PathJoin(cls._UIDS_DIR, instance_name)
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238 | 7548396c | Guido Trotter | |
239 | 7548396c | Guido Trotter | @classmethod
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240 | 263b8de6 | Guido Trotter | def _InstancePidInfo(cls, pid): |
241 | 263b8de6 | Guido Trotter | """Check pid file for instance information.
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242 | 263b8de6 | Guido Trotter |
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243 | 263b8de6 | Guido Trotter | Check that a pid file is associated with an instance, and retrieve
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244 | 263b8de6 | Guido Trotter | information from its command line.
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245 | 263b8de6 | Guido Trotter |
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246 | 263b8de6 | Guido Trotter | @type pid: string or int
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247 | 263b8de6 | Guido Trotter | @param pid: process id of the instance to check
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248 | 263b8de6 | Guido Trotter | @rtype: tuple
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249 | 263b8de6 | Guido Trotter | @return: (instance_name, memory, vcpus)
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250 | 263b8de6 | Guido Trotter | @raise errors.HypervisorError: when an instance cannot be found
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251 | 263b8de6 | Guido Trotter |
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252 | 263b8de6 | Guido Trotter | """
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253 | 263b8de6 | Guido Trotter | alive = utils.IsProcessAlive(pid) |
254 | 263b8de6 | Guido Trotter | if not alive: |
255 | 263b8de6 | Guido Trotter | raise errors.HypervisorError("Cannot get info for pid %s" % pid) |
256 | 263b8de6 | Guido Trotter | |
257 | 263b8de6 | Guido Trotter | cmdline_file = utils.PathJoin("/proc", str(pid), "cmdline") |
258 | 263b8de6 | Guido Trotter | try:
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259 | 263b8de6 | Guido Trotter | cmdline = utils.ReadFile(cmdline_file) |
260 | 263b8de6 | Guido Trotter | except EnvironmentError, err: |
261 | 263b8de6 | Guido Trotter | raise errors.HypervisorError("Can't open cmdline file for pid %s: %s" % |
262 | 263b8de6 | Guido Trotter | (pid, err)) |
263 | 263b8de6 | Guido Trotter | |
264 | 263b8de6 | Guido Trotter | instance = None
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265 | 263b8de6 | Guido Trotter | memory = 0
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266 | 263b8de6 | Guido Trotter | vcpus = 0
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267 | 263b8de6 | Guido Trotter | |
268 | d0c8c01d | Iustin Pop | arg_list = cmdline.split("\x00")
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269 | 263b8de6 | Guido Trotter | while arg_list:
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270 | e687ec01 | Michael Hanselmann | arg = arg_list.pop(0)
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271 | 263b8de6 | Guido Trotter | if arg == "-name": |
272 | 263b8de6 | Guido Trotter | instance = arg_list.pop(0)
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273 | 263b8de6 | Guido Trotter | elif arg == "-m": |
274 | 263b8de6 | Guido Trotter | memory = int(arg_list.pop(0)) |
275 | 263b8de6 | Guido Trotter | elif arg == "-smp": |
276 | 263b8de6 | Guido Trotter | vcpus = int(arg_list.pop(0)) |
277 | 263b8de6 | Guido Trotter | |
278 | 263b8de6 | Guido Trotter | if instance is None: |
279 | 263b8de6 | Guido Trotter | raise errors.HypervisorError("Pid %s doesn't contain a ganeti kvm" |
280 | 263b8de6 | Guido Trotter | " instance" % pid)
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281 | 263b8de6 | Guido Trotter | |
282 | 263b8de6 | Guido Trotter | return (instance, memory, vcpus)
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283 | 263b8de6 | Guido Trotter | |
284 | 1f8b3a27 | Guido Trotter | def _InstancePidAlive(self, instance_name): |
285 | 263b8de6 | Guido Trotter | """Returns the instance pidfile, pid, and liveness.
|
286 | 263b8de6 | Guido Trotter |
|
287 | 263b8de6 | Guido Trotter | @type instance_name: string
|
288 | 263b8de6 | Guido Trotter | @param instance_name: instance name
|
289 | 263b8de6 | Guido Trotter | @rtype: tuple
|
290 | 263b8de6 | Guido Trotter | @return: (pid file name, pid, liveness)
|
291 | 1f8b3a27 | Guido Trotter |
|
292 | 1f8b3a27 | Guido Trotter | """
|
293 | 98ec75d6 | Iustin Pop | pidfile = self._InstancePidFile(instance_name)
|
294 | 1f8b3a27 | Guido Trotter | pid = utils.ReadPidFile(pidfile) |
295 | 263b8de6 | Guido Trotter | |
296 | 263b8de6 | Guido Trotter | alive = False
|
297 | 263b8de6 | Guido Trotter | try:
|
298 | 263b8de6 | Guido Trotter | cmd_instance = self._InstancePidInfo(pid)[0] |
299 | 263b8de6 | Guido Trotter | alive = (cmd_instance == instance_name) |
300 | 263b8de6 | Guido Trotter | except errors.HypervisorError:
|
301 | 263b8de6 | Guido Trotter | pass
|
302 | 1f8b3a27 | Guido Trotter | |
303 | 1f8b3a27 | Guido Trotter | return (pidfile, pid, alive)
|
304 | 1f8b3a27 | Guido Trotter | |
305 | 5905901c | Iustin Pop | def _CheckDown(self, instance_name): |
306 | 5905901c | Iustin Pop | """Raises an error unless the given instance is down.
|
307 | 5905901c | Iustin Pop |
|
308 | 5905901c | Iustin Pop | """
|
309 | 5905901c | Iustin Pop | alive = self._InstancePidAlive(instance_name)[2] |
310 | 5905901c | Iustin Pop | if alive:
|
311 | 5905901c | Iustin Pop | raise errors.HypervisorError("Failed to start instance %s: %s" % |
312 | 5905901c | Iustin Pop | (instance_name, "already running"))
|
313 | 5905901c | Iustin Pop | |
314 | 0df4d98a | Guido Trotter | @classmethod
|
315 | 0df4d98a | Guido Trotter | def _InstanceMonitor(cls, instance_name): |
316 | c4fbefc8 | Guido Trotter | """Returns the instance monitor socket name
|
317 | c4fbefc8 | Guido Trotter |
|
318 | c4fbefc8 | Guido Trotter | """
|
319 | 30786fc9 | Iustin Pop | return utils.PathJoin(cls._CTRL_DIR, "%s.monitor" % instance_name) |
320 | c4fbefc8 | Guido Trotter | |
321 | 0df4d98a | Guido Trotter | @classmethod
|
322 | 0df4d98a | Guido Trotter | def _InstanceSerial(cls, instance_name): |
323 | c4fbefc8 | Guido Trotter | """Returns the instance serial socket name
|
324 | c4fbefc8 | Guido Trotter |
|
325 | c4fbefc8 | Guido Trotter | """
|
326 | 30786fc9 | Iustin Pop | return utils.PathJoin(cls._CTRL_DIR, "%s.serial" % instance_name) |
327 | c4fbefc8 | Guido Trotter | |
328 | 86d6bc2a | Guido Trotter | @staticmethod
|
329 | 86d6bc2a | Guido Trotter | def _SocatUnixConsoleParams(): |
330 | 86d6bc2a | Guido Trotter | """Returns the correct parameters for socat
|
331 | 86d6bc2a | Guido Trotter |
|
332 | 86d6bc2a | Guido Trotter | If we have a new-enough socat we can use raw mode with an escape character.
|
333 | 86d6bc2a | Guido Trotter |
|
334 | 86d6bc2a | Guido Trotter | """
|
335 | fe5b0c42 | Michael Hanselmann | if constants.SOCAT_USE_ESCAPE:
|
336 | 86d6bc2a | Guido Trotter | return "raw,echo=0,escape=%s" % constants.SOCAT_ESCAPE_CODE |
337 | 86d6bc2a | Guido Trotter | else:
|
338 | 86d6bc2a | Guido Trotter | return "echo=0,icanon=0" |
339 | 86d6bc2a | Guido Trotter | |
340 | 0df4d98a | Guido Trotter | @classmethod
|
341 | 0df4d98a | Guido Trotter | def _InstanceKVMRuntime(cls, instance_name): |
342 | 38e250ba | Guido Trotter | """Returns the instance KVM runtime filename
|
343 | 38e250ba | Guido Trotter |
|
344 | 38e250ba | Guido Trotter | """
|
345 | 30786fc9 | Iustin Pop | return utils.PathJoin(cls._CONF_DIR, "%s.runtime" % instance_name) |
346 | 38e250ba | Guido Trotter | |
347 | 7e66c35b | Guido Trotter | @classmethod
|
348 | 547a63b7 | Balazs Lecz | def _InstanceChrootDir(cls, instance_name): |
349 | 547a63b7 | Balazs Lecz | """Returns the name of the KVM chroot dir of the instance
|
350 | 547a63b7 | Balazs Lecz |
|
351 | 547a63b7 | Balazs Lecz | """
|
352 | 547a63b7 | Balazs Lecz | return utils.PathJoin(cls._CHROOT_DIR, instance_name)
|
353 | 547a63b7 | Balazs Lecz | |
354 | 547a63b7 | Balazs Lecz | @classmethod
|
355 | 5d9bfd87 | Apollon Oikonomopoulos | def _InstanceNICDir(cls, instance_name): |
356 | 5d9bfd87 | Apollon Oikonomopoulos | """Returns the name of the directory holding the tap device files for a
|
357 | 5d9bfd87 | Apollon Oikonomopoulos | given instance.
|
358 | 5d9bfd87 | Apollon Oikonomopoulos |
|
359 | 5d9bfd87 | Apollon Oikonomopoulos | """
|
360 | 5d9bfd87 | Apollon Oikonomopoulos | return utils.PathJoin(cls._NICS_DIR, instance_name)
|
361 | 5d9bfd87 | Apollon Oikonomopoulos | |
362 | 5d9bfd87 | Apollon Oikonomopoulos | @classmethod
|
363 | 5d9bfd87 | Apollon Oikonomopoulos | def _InstanceNICFile(cls, instance_name, seq): |
364 | 5d9bfd87 | Apollon Oikonomopoulos | """Returns the name of the file containing the tap device for a given NIC
|
365 | 5d9bfd87 | Apollon Oikonomopoulos |
|
366 | 5d9bfd87 | Apollon Oikonomopoulos | """
|
367 | 5d9bfd87 | Apollon Oikonomopoulos | return utils.PathJoin(cls._InstanceNICDir(instance_name), str(seq)) |
368 | 5d9bfd87 | Apollon Oikonomopoulos | |
369 | 5d9bfd87 | Apollon Oikonomopoulos | @classmethod
|
370 | 4f580fef | Sรฉbastien Bocahu | def _InstanceKeymapFile(cls, instance_name): |
371 | 4f580fef | Sรฉbastien Bocahu | """Returns the name of the file containing the keymap for a given instance
|
372 | 4f580fef | Sรฉbastien Bocahu |
|
373 | 4f580fef | Sรฉbastien Bocahu | """
|
374 | 4f580fef | Sรฉbastien Bocahu | return utils.PathJoin(cls._KEYMAP_DIR, instance_name)
|
375 | 4f580fef | Sรฉbastien Bocahu | |
376 | 4f580fef | Sรฉbastien Bocahu | @classmethod
|
377 | 7548396c | Guido Trotter | def _TryReadUidFile(cls, uid_file): |
378 | 7548396c | Guido Trotter | """Try to read a uid file
|
379 | 7548396c | Guido Trotter |
|
380 | 7548396c | Guido Trotter | """
|
381 | 7548396c | Guido Trotter | if os.path.exists(uid_file):
|
382 | 7548396c | Guido Trotter | try:
|
383 | 682f7601 | Guido Trotter | uid = int(utils.ReadOneLineFile(uid_file))
|
384 | aa0b600b | Guido Trotter | return uid
|
385 | 7548396c | Guido Trotter | except EnvironmentError: |
386 | 7548396c | Guido Trotter | logging.warning("Can't read uid file", exc_info=True) |
387 | 7548396c | Guido Trotter | except (TypeError, ValueError): |
388 | 7548396c | Guido Trotter | logging.warning("Can't parse uid file contents", exc_info=True) |
389 | aa0b600b | Guido Trotter | return None |
390 | 7548396c | Guido Trotter | |
391 | 7548396c | Guido Trotter | @classmethod
|
392 | 7e66c35b | Guido Trotter | def _RemoveInstanceRuntimeFiles(cls, pidfile, instance_name): |
393 | 547a63b7 | Balazs Lecz | """Removes an instance's rutime sockets/files/dirs.
|
394 | 7e66c35b | Guido Trotter |
|
395 | 7e66c35b | Guido Trotter | """
|
396 | 7e66c35b | Guido Trotter | utils.RemoveFile(pidfile) |
397 | 7e66c35b | Guido Trotter | utils.RemoveFile(cls._InstanceMonitor(instance_name)) |
398 | 7e66c35b | Guido Trotter | utils.RemoveFile(cls._InstanceSerial(instance_name)) |
399 | 7e66c35b | Guido Trotter | utils.RemoveFile(cls._InstanceKVMRuntime(instance_name)) |
400 | 4f580fef | Sรฉbastien Bocahu | utils.RemoveFile(cls._InstanceKeymapFile(instance_name)) |
401 | 7548396c | Guido Trotter | uid_file = cls._InstanceUidFile(instance_name) |
402 | 7548396c | Guido Trotter | uid = cls._TryReadUidFile(uid_file) |
403 | 7548396c | Guido Trotter | utils.RemoveFile(uid_file) |
404 | 7548396c | Guido Trotter | if uid is not None: |
405 | 7548396c | Guido Trotter | uidpool.ReleaseUid(uid) |
406 | 7be85163 | Guido Trotter | try:
|
407 | 7be85163 | Guido Trotter | shutil.rmtree(cls._InstanceNICDir(instance_name)) |
408 | 7be85163 | Guido Trotter | except OSError, err: |
409 | 7be85163 | Guido Trotter | if err.errno != errno.ENOENT:
|
410 | 7be85163 | Guido Trotter | raise
|
411 | 547a63b7 | Balazs Lecz | try:
|
412 | 547a63b7 | Balazs Lecz | chroot_dir = cls._InstanceChrootDir(instance_name) |
413 | 547a63b7 | Balazs Lecz | utils.RemoveDir(chroot_dir) |
414 | 547a63b7 | Balazs Lecz | except OSError, err: |
415 | 547a63b7 | Balazs Lecz | if err.errno == errno.ENOTEMPTY:
|
416 | 547a63b7 | Balazs Lecz | # The chroot directory is expected to be empty, but it isn't.
|
417 | 547a63b7 | Balazs Lecz | new_chroot_dir = tempfile.mkdtemp(dir=cls._CHROOT_QUARANTINE_DIR, |
418 | 547a63b7 | Balazs Lecz | prefix="%s-%s-" %
|
419 | 547a63b7 | Balazs Lecz | (instance_name, |
420 | 547a63b7 | Balazs Lecz | utils.TimestampForFilename())) |
421 | 547a63b7 | Balazs Lecz | logging.warning("The chroot directory of instance %s can not be"
|
422 | 547a63b7 | Balazs Lecz | " removed as it is not empty. Moving it to the"
|
423 | 547a63b7 | Balazs Lecz | " quarantine instead. Please investigate the"
|
424 | 547a63b7 | Balazs Lecz | " contents (%s) and clean up manually",
|
425 | 547a63b7 | Balazs Lecz | instance_name, new_chroot_dir) |
426 | 547a63b7 | Balazs Lecz | utils.RenameFile(chroot_dir, new_chroot_dir) |
427 | 547a63b7 | Balazs Lecz | else:
|
428 | 547a63b7 | Balazs Lecz | raise
|
429 | 7e66c35b | Guido Trotter | |
430 | 748e4b5a | Michael Hanselmann | @staticmethod
|
431 | 5d9bfd87 | Apollon Oikonomopoulos | def _ConfigureNIC(instance, seq, nic, tap): |
432 | 5d9bfd87 | Apollon Oikonomopoulos | """Run the network configuration script for a specified NIC
|
433 | eb58f9b1 | Guido Trotter |
|
434 | eb58f9b1 | Guido Trotter | @param instance: instance we're acting on
|
435 | eb58f9b1 | Guido Trotter | @type instance: instance object
|
436 | eb58f9b1 | Guido Trotter | @param seq: nic sequence number
|
437 | eb58f9b1 | Guido Trotter | @type seq: int
|
438 | eb58f9b1 | Guido Trotter | @param nic: nic we're acting on
|
439 | eb58f9b1 | Guido Trotter | @type nic: nic object
|
440 | 5d9bfd87 | Apollon Oikonomopoulos | @param tap: the host's tap interface this NIC corresponds to
|
441 | 5d9bfd87 | Apollon Oikonomopoulos | @type tap: str
|
442 | eb58f9b1 | Guido Trotter |
|
443 | eb58f9b1 | Guido Trotter | """
|
444 | 748e4b5a | Michael Hanselmann | |
445 | 5d9bfd87 | Apollon Oikonomopoulos | if instance.tags:
|
446 | 5d9bfd87 | Apollon Oikonomopoulos | tags = " ".join(instance.tags)
|
447 | 5d9bfd87 | Apollon Oikonomopoulos | else:
|
448 | 5d9bfd87 | Apollon Oikonomopoulos | tags = ""
|
449 | 5d9bfd87 | Apollon Oikonomopoulos | |
450 | 5d9bfd87 | Apollon Oikonomopoulos | env = { |
451 | 5d9bfd87 | Apollon Oikonomopoulos | "PATH": "%s:/sbin:/usr/sbin" % os.environ["PATH"], |
452 | 5d9bfd87 | Apollon Oikonomopoulos | "INSTANCE": instance.name,
|
453 | 5d9bfd87 | Apollon Oikonomopoulos | "MAC": nic.mac,
|
454 | 5d9bfd87 | Apollon Oikonomopoulos | "MODE": nic.nicparams[constants.NIC_MODE],
|
455 | 5d9bfd87 | Apollon Oikonomopoulos | "INTERFACE": tap,
|
456 | 5d9bfd87 | Apollon Oikonomopoulos | "INTERFACE_INDEX": str(seq), |
457 | 5d9bfd87 | Apollon Oikonomopoulos | "TAGS": tags,
|
458 | 5d9bfd87 | Apollon Oikonomopoulos | } |
459 | 5d9bfd87 | Apollon Oikonomopoulos | |
460 | 5d9bfd87 | Apollon Oikonomopoulos | if nic.ip:
|
461 | 5d9bfd87 | Apollon Oikonomopoulos | env["IP"] = nic.ip
|
462 | 5d9bfd87 | Apollon Oikonomopoulos | |
463 | 5d9bfd87 | Apollon Oikonomopoulos | if nic.nicparams[constants.NIC_LINK]:
|
464 | 5d9bfd87 | Apollon Oikonomopoulos | env["LINK"] = nic.nicparams[constants.NIC_LINK]
|
465 | 5d9bfd87 | Apollon Oikonomopoulos | |
466 | 5d9bfd87 | Apollon Oikonomopoulos | if nic.nicparams[constants.NIC_MODE] == constants.NIC_MODE_BRIDGED:
|
467 | 5d9bfd87 | Apollon Oikonomopoulos | env["BRIDGE"] = nic.nicparams[constants.NIC_LINK]
|
468 | 5d9bfd87 | Apollon Oikonomopoulos | |
469 | 5d9bfd87 | Apollon Oikonomopoulos | result = utils.RunCmd([constants.KVM_IFUP, tap], env=env) |
470 | 5d9bfd87 | Apollon Oikonomopoulos | if result.failed:
|
471 | 5d9bfd87 | Apollon Oikonomopoulos | raise errors.HypervisorError("Failed to configure interface %s: %s." |
472 | 5d9bfd87 | Apollon Oikonomopoulos | " Network configuration script output: %s" %
|
473 | 5d9bfd87 | Apollon Oikonomopoulos | (tap, result.fail_reason, result.output)) |
474 | eb58f9b1 | Guido Trotter | |
475 | eb58f9b1 | Guido Trotter | def ListInstances(self): |
476 | eb58f9b1 | Guido Trotter | """Get the list of running instances.
|
477 | eb58f9b1 | Guido Trotter |
|
478 | c41eea6e | Iustin Pop | We can do this by listing our live instances directory and
|
479 | c41eea6e | Iustin Pop | checking whether the associated kvm process is still alive.
|
480 | eb58f9b1 | Guido Trotter |
|
481 | eb58f9b1 | Guido Trotter | """
|
482 | eb58f9b1 | Guido Trotter | result = [] |
483 | eb58f9b1 | Guido Trotter | for name in os.listdir(self._PIDS_DIR): |
484 | 263b8de6 | Guido Trotter | if self._InstancePidAlive(name)[2]: |
485 | eb58f9b1 | Guido Trotter | result.append(name) |
486 | eb58f9b1 | Guido Trotter | return result
|
487 | eb58f9b1 | Guido Trotter | |
488 | eb58f9b1 | Guido Trotter | def GetInstanceInfo(self, instance_name): |
489 | eb58f9b1 | Guido Trotter | """Get instance properties.
|
490 | eb58f9b1 | Guido Trotter |
|
491 | 4fbb3c60 | Guido Trotter | @type instance_name: string
|
492 | c41eea6e | Iustin Pop | @param instance_name: the instance name
|
493 | 4fbb3c60 | Guido Trotter | @rtype: tuple of strings
|
494 | 4fbb3c60 | Guido Trotter | @return: (name, id, memory, vcpus, stat, times)
|
495 | eb58f9b1 | Guido Trotter |
|
496 | eb58f9b1 | Guido Trotter | """
|
497 | 1122eb25 | Iustin Pop | _, pid, alive = self._InstancePidAlive(instance_name)
|
498 | 1f8b3a27 | Guido Trotter | if not alive: |
499 | eb58f9b1 | Guido Trotter | return None |
500 | eb58f9b1 | Guido Trotter | |
501 | 263b8de6 | Guido Trotter | _, memory, vcpus = self._InstancePidInfo(pid)
|
502 | eb58f9b1 | Guido Trotter | stat = "---b-"
|
503 | eb58f9b1 | Guido Trotter | times = "0"
|
504 | eb58f9b1 | Guido Trotter | |
505 | eb58f9b1 | Guido Trotter | return (instance_name, pid, memory, vcpus, stat, times)
|
506 | eb58f9b1 | Guido Trotter | |
507 | eb58f9b1 | Guido Trotter | def GetAllInstancesInfo(self): |
508 | eb58f9b1 | Guido Trotter | """Get properties of all instances.
|
509 | eb58f9b1 | Guido Trotter |
|
510 | c41eea6e | Iustin Pop | @return: list of tuples (name, id, memory, vcpus, stat, times)
|
511 | c41eea6e | Iustin Pop |
|
512 | eb58f9b1 | Guido Trotter | """
|
513 | eb58f9b1 | Guido Trotter | data = [] |
514 | eb58f9b1 | Guido Trotter | for name in os.listdir(self._PIDS_DIR): |
515 | 263b8de6 | Guido Trotter | try:
|
516 | 263b8de6 | Guido Trotter | info = self.GetInstanceInfo(name)
|
517 | 263b8de6 | Guido Trotter | except errors.HypervisorError:
|
518 | 263b8de6 | Guido Trotter | continue
|
519 | 263b8de6 | Guido Trotter | if info:
|
520 | 263b8de6 | Guido Trotter | data.append(info) |
521 | eb58f9b1 | Guido Trotter | return data
|
522 | eb58f9b1 | Guido Trotter | |
523 | 323f9095 | Stephen Shirley | def _GenerateKVMRuntime(self, instance, block_devices, startup_paused): |
524 | ee5f20b0 | Guido Trotter | """Generate KVM information to start an instance.
|
525 | eb58f9b1 | Guido Trotter |
|
526 | eb58f9b1 | Guido Trotter | """
|
527 | 440351f8 | Andrea Spadaccini | _, v_major, v_min, _ = self._GetKVMVersion()
|
528 | 4304964a | Guido Trotter | |
529 | e687ec01 | Michael Hanselmann | pidfile = self._InstancePidFile(instance.name)
|
530 | eb58f9b1 | Guido Trotter | kvm = constants.KVM_PATH |
531 | eb58f9b1 | Guido Trotter | kvm_cmd = [kvm] |
532 | c6a39fc2 | Guido Trotter | # used just by the vnc server, if enabled
|
533 | d0c8c01d | Iustin Pop | kvm_cmd.extend(["-name", instance.name])
|
534 | d0c8c01d | Iustin Pop | kvm_cmd.extend(["-m", instance.beparams[constants.BE_MEMORY]])
|
535 | d0c8c01d | Iustin Pop | kvm_cmd.extend(["-smp", instance.beparams[constants.BE_VCPUS]])
|
536 | d0c8c01d | Iustin Pop | kvm_cmd.extend(["-pidfile", pidfile])
|
537 | d0c8c01d | Iustin Pop | kvm_cmd.extend(["-daemonize"])
|
538 | 6b5605e8 | Iustin Pop | if not instance.hvparams[constants.HV_ACPI]: |
539 | d0c8c01d | Iustin Pop | kvm_cmd.extend(["-no-acpi"])
|
540 | 323f9095 | Stephen Shirley | if startup_paused:
|
541 | d0c8c01d | Iustin Pop | kvm_cmd.extend(["-S"])
|
542 | 990ade2d | Stephen Shirley | if instance.hvparams[constants.HV_REBOOT_BEHAVIOR] == \
|
543 | 990ade2d | Stephen Shirley | constants.INSTANCE_REBOOT_EXIT: |
544 | 990ade2d | Stephen Shirley | kvm_cmd.extend(["-no-reboot"])
|
545 | eb58f9b1 | Guido Trotter | |
546 | a985b417 | Iustin Pop | hvp = instance.hvparams |
547 | 835528af | Iustin Pop | boot_disk = hvp[constants.HV_BOOT_ORDER] == constants.HT_BO_DISK |
548 | 835528af | Iustin Pop | boot_cdrom = hvp[constants.HV_BOOT_ORDER] == constants.HT_BO_CDROM |
549 | cc130cc7 | Marco Casavecchia | boot_floppy = hvp[constants.HV_BOOT_ORDER] == constants.HT_BO_FLOPPY |
550 | 835528af | Iustin Pop | boot_network = hvp[constants.HV_BOOT_ORDER] == constants.HT_BO_NETWORK |
551 | 8745c3d7 | Guido Trotter | |
552 | b1cb62bd | Andrea Spadaccini | self.ValidateParameters(hvp)
|
553 | b1cb62bd | Andrea Spadaccini | |
554 | 7ba594c0 | Guido Trotter | if hvp[constants.HV_KVM_FLAG] == constants.HT_KVM_ENABLED:
|
555 | 7ba594c0 | Guido Trotter | kvm_cmd.extend(["-enable-kvm"])
|
556 | 7ba594c0 | Guido Trotter | elif hvp[constants.HV_KVM_FLAG] == constants.HT_KVM_DISABLED:
|
557 | 7ba594c0 | Guido Trotter | kvm_cmd.extend(["-disable-kvm"])
|
558 | 7ba594c0 | Guido Trotter | |
559 | 8745c3d7 | Guido Trotter | if boot_network:
|
560 | d0c8c01d | Iustin Pop | kvm_cmd.extend(["-boot", "n"]) |
561 | 1213604d | Guido Trotter | |
562 | a985b417 | Iustin Pop | disk_type = hvp[constants.HV_DISK_TYPE] |
563 | 1213604d | Guido Trotter | if disk_type == constants.HT_DISK_PARAVIRTUAL:
|
564 | d0c8c01d | Iustin Pop | if_val = ",if=virtio"
|
565 | 1213604d | Guido Trotter | else:
|
566 | d0c8c01d | Iustin Pop | if_val = ",if=%s" % disk_type
|
567 | 19572932 | Iustin Pop | # Cache mode
|
568 | 19572932 | Iustin Pop | disk_cache = hvp[constants.HV_DISK_CACHE] |
569 | 41e794f6 | Apollon Oikonomopoulos | if instance.disk_template in constants.DTS_EXT_MIRROR: |
570 | 41e794f6 | Apollon Oikonomopoulos | if disk_cache != "none": |
571 | 41e794f6 | Apollon Oikonomopoulos | # TODO: make this a hard error, instead of a silent overwrite
|
572 | 41e794f6 | Apollon Oikonomopoulos | logging.warning("KVM: overriding disk_cache setting '%s' with 'none'"
|
573 | 41e794f6 | Apollon Oikonomopoulos | " to prevent shared storage corruption on migration",
|
574 | 41e794f6 | Apollon Oikonomopoulos | disk_cache) |
575 | 41e794f6 | Apollon Oikonomopoulos | cache_val = ",cache=none"
|
576 | 41e794f6 | Apollon Oikonomopoulos | elif disk_cache != constants.HT_CACHE_DEFAULT:
|
577 | 19572932 | Iustin Pop | cache_val = ",cache=%s" % disk_cache
|
578 | 19572932 | Iustin Pop | else:
|
579 | 19572932 | Iustin Pop | cache_val = ""
|
580 | 069cfbf1 | Iustin Pop | for cfdev, dev_path in block_devices: |
581 | d34b16d7 | Iustin Pop | if cfdev.mode != constants.DISK_RDWR:
|
582 | d34b16d7 | Iustin Pop | raise errors.HypervisorError("Instance has read-only disks which" |
583 | d34b16d7 | Iustin Pop | " are not supported by KVM")
|
584 | eb58f9b1 | Guido Trotter | # TODO: handle FD_LOOP and FD_BLKTAP (?)
|
585 | 4304964a | Guido Trotter | boot_val = ""
|
586 | 66d5dbef | Guido Trotter | if boot_disk:
|
587 | d0c8c01d | Iustin Pop | kvm_cmd.extend(["-boot", "c"]) |
588 | 66d5dbef | Guido Trotter | boot_disk = False
|
589 | 4304964a | Guido Trotter | if (v_major, v_min) < (0, 14) and disk_type != constants.HT_DISK_IDE: |
590 | 4304964a | Guido Trotter | boot_val = ",boot=on"
|
591 | eb58f9b1 | Guido Trotter | |
592 | d0c8c01d | Iustin Pop | drive_val = "file=%s,format=raw%s%s%s" % (dev_path, if_val, boot_val,
|
593 | 19572932 | Iustin Pop | cache_val) |
594 | d0c8c01d | Iustin Pop | kvm_cmd.extend(["-drive", drive_val])
|
595 | eb58f9b1 | Guido Trotter | |
596 | cc130cc7 | Marco Casavecchia | #Now we can specify a different device type for CDROM devices.
|
597 | cc130cc7 | Marco Casavecchia | cdrom_disk_type = hvp[constants.HV_KVM_CDROM_DISK_TYPE] |
598 | cc130cc7 | Marco Casavecchia | if not cdrom_disk_type: |
599 | cc130cc7 | Marco Casavecchia | cdrom_disk_type = disk_type |
600 | cc130cc7 | Marco Casavecchia | |
601 | a985b417 | Iustin Pop | iso_image = hvp[constants.HV_CDROM_IMAGE_PATH] |
602 | 66d5dbef | Guido Trotter | if iso_image:
|
603 | d0c8c01d | Iustin Pop | options = ",format=raw,media=cdrom"
|
604 | 66d5dbef | Guido Trotter | if boot_cdrom:
|
605 | d0c8c01d | Iustin Pop | kvm_cmd.extend(["-boot", "d"]) |
606 | cc130cc7 | Marco Casavecchia | if cdrom_disk_type != constants.HT_DISK_IDE:
|
607 | d0c8c01d | Iustin Pop | options = "%s,boot=on,if=%s" % (options, constants.HT_DISK_IDE)
|
608 | cc130cc7 | Marco Casavecchia | else:
|
609 | d0c8c01d | Iustin Pop | options = "%s,boot=on" % options
|
610 | 9dd363eb | Guido Trotter | else:
|
611 | cc130cc7 | Marco Casavecchia | if cdrom_disk_type == constants.HT_DISK_PARAVIRTUAL:
|
612 | d0c8c01d | Iustin Pop | if_val = ",if=virtio"
|
613 | 9cf4321f | Apollon Oikonomopoulos | else:
|
614 | d0c8c01d | Iustin Pop | if_val = ",if=%s" % cdrom_disk_type
|
615 | d0c8c01d | Iustin Pop | options = "%s%s" % (options, if_val)
|
616 | d0c8c01d | Iustin Pop | drive_val = "file=%s%s" % (iso_image, options)
|
617 | d0c8c01d | Iustin Pop | kvm_cmd.extend(["-drive", drive_val])
|
618 | 66d5dbef | Guido Trotter | |
619 | cc130cc7 | Marco Casavecchia | iso_image2 = hvp[constants.HV_KVM_CDROM2_IMAGE_PATH] |
620 | cc130cc7 | Marco Casavecchia | if iso_image2:
|
621 | d0c8c01d | Iustin Pop | options = ",format=raw,media=cdrom"
|
622 | cc130cc7 | Marco Casavecchia | if cdrom_disk_type == constants.HT_DISK_PARAVIRTUAL:
|
623 | d0c8c01d | Iustin Pop | if_val = ",if=virtio"
|
624 | cc130cc7 | Marco Casavecchia | else:
|
625 | d0c8c01d | Iustin Pop | if_val = ",if=%s" % cdrom_disk_type
|
626 | d0c8c01d | Iustin Pop | options = "%s%s" % (options, if_val)
|
627 | d0c8c01d | Iustin Pop | drive_val = "file=%s%s" % (iso_image2, options)
|
628 | d0c8c01d | Iustin Pop | kvm_cmd.extend(["-drive", drive_val])
|
629 | cc130cc7 | Marco Casavecchia | |
630 | cc130cc7 | Marco Casavecchia | floppy_image = hvp[constants.HV_KVM_FLOPPY_IMAGE_PATH] |
631 | cc130cc7 | Marco Casavecchia | if floppy_image:
|
632 | d0c8c01d | Iustin Pop | options = ",format=raw,media=disk"
|
633 | cc130cc7 | Marco Casavecchia | if boot_floppy:
|
634 | d0c8c01d | Iustin Pop | kvm_cmd.extend(["-boot", "a"]) |
635 | d0c8c01d | Iustin Pop | options = "%s,boot=on" % options
|
636 | d0c8c01d | Iustin Pop | if_val = ",if=floppy"
|
637 | d0c8c01d | Iustin Pop | options = "%s%s" % (options, if_val)
|
638 | d0c8c01d | Iustin Pop | drive_val = "file=%s%s" % (floppy_image, options)
|
639 | d0c8c01d | Iustin Pop | kvm_cmd.extend(["-drive", drive_val])
|
640 | cc130cc7 | Marco Casavecchia | |
641 | a985b417 | Iustin Pop | kernel_path = hvp[constants.HV_KERNEL_PATH] |
642 | df5ab9f0 | Guido Trotter | if kernel_path:
|
643 | d0c8c01d | Iustin Pop | kvm_cmd.extend(["-kernel", kernel_path])
|
644 | a985b417 | Iustin Pop | initrd_path = hvp[constants.HV_INITRD_PATH] |
645 | df5ab9f0 | Guido Trotter | if initrd_path:
|
646 | d0c8c01d | Iustin Pop | kvm_cmd.extend(["-initrd", initrd_path])
|
647 | d0c8c01d | Iustin Pop | root_append = ["root=%s" % hvp[constants.HV_ROOT_PATH],
|
648 | 07813a9e | Iustin Pop | hvp[constants.HV_KERNEL_ARGS]] |
649 | 07813a9e | Iustin Pop | if hvp[constants.HV_SERIAL_CONSOLE]:
|
650 | d0c8c01d | Iustin Pop | root_append.append("console=ttyS0,38400")
|
651 | d0c8c01d | Iustin Pop | kvm_cmd.extend(["-append", " ".join(root_append)]) |
652 | eb58f9b1 | Guido Trotter | |
653 | 4f958b0b | Miguel Di Ciurcio Filho | mem_path = hvp[constants.HV_MEM_PATH] |
654 | 4f958b0b | Miguel Di Ciurcio Filho | if mem_path:
|
655 | 9d3015f9 | Guido Trotter | kvm_cmd.extend(["-mem-path", mem_path, "-mem-prealloc"]) |
656 | 4f958b0b | Miguel Di Ciurcio Filho | |
657 | 596b2459 | Guido Trotter | monitor_dev = ("unix:%s,server,nowait" %
|
658 | 596b2459 | Guido Trotter | self._InstanceMonitor(instance.name))
|
659 | 596b2459 | Guido Trotter | kvm_cmd.extend(["-monitor", monitor_dev])
|
660 | 596b2459 | Guido Trotter | if hvp[constants.HV_SERIAL_CONSOLE]:
|
661 | 596b2459 | Guido Trotter | serial_dev = ("unix:%s,server,nowait" %
|
662 | 596b2459 | Guido Trotter | self._InstanceSerial(instance.name))
|
663 | 596b2459 | Guido Trotter | kvm_cmd.extend(["-serial", serial_dev])
|
664 | 596b2459 | Guido Trotter | else:
|
665 | 596b2459 | Guido Trotter | kvm_cmd.extend(["-serial", "none"]) |
666 | 596b2459 | Guido Trotter | |
667 | a985b417 | Iustin Pop | mouse_type = hvp[constants.HV_USB_MOUSE] |
668 | 31f6f67a | Guido Trotter | vnc_bind_address = hvp[constants.HV_VNC_BIND_ADDRESS] |
669 | 596b2459 | Guido Trotter | spice_bind = hvp[constants.HV_KVM_SPICE_BIND] |
670 | 596b2459 | Guido Trotter | spice_ip_version = None
|
671 | 31f6f67a | Guido Trotter | |
672 | 11344a50 | Guido Trotter | if mouse_type:
|
673 | d0c8c01d | Iustin Pop | kvm_cmd.extend(["-usb"])
|
674 | d0c8c01d | Iustin Pop | kvm_cmd.extend(["-usbdevice", mouse_type])
|
675 | 31f6f67a | Guido Trotter | elif vnc_bind_address:
|
676 | d0c8c01d | Iustin Pop | kvm_cmd.extend(["-usbdevice", constants.HT_MOUSE_TABLET])
|
677 | 11344a50 | Guido Trotter | |
678 | 4f580fef | Sรฉbastien Bocahu | keymap = hvp[constants.HV_KEYMAP] |
679 | 4f580fef | Sรฉbastien Bocahu | if keymap:
|
680 | 4f580fef | Sรฉbastien Bocahu | keymap_path = self._InstanceKeymapFile(instance.name)
|
681 | 4f580fef | Sรฉbastien Bocahu | # If a keymap file is specified, KVM won't use its internal defaults. By
|
682 | 4f580fef | Sรฉbastien Bocahu | # first including the "en-us" layout, an error on loading the actual
|
683 | 4f580fef | Sรฉbastien Bocahu | # layout (e.g. because it can't be found) won't lead to a non-functional
|
684 | 4f580fef | Sรฉbastien Bocahu | # keyboard. A keyboard with incorrect keys is still better than none.
|
685 | 4f580fef | Sรฉbastien Bocahu | utils.WriteFile(keymap_path, data="include en-us\ninclude %s\n" % keymap)
|
686 | 4f580fef | Sรฉbastien Bocahu | kvm_cmd.extend(["-k", keymap_path])
|
687 | 4f580fef | Sรฉbastien Bocahu | |
688 | 8470c8db | Guido Trotter | if vnc_bind_address:
|
689 | 8b312c1d | Manuel Franceschini | if netutils.IP4Address.IsValid(vnc_bind_address):
|
690 | 377d74c9 | Guido Trotter | if instance.network_port > constants.VNC_BASE_PORT:
|
691 | 377d74c9 | Guido Trotter | display = instance.network_port - constants.VNC_BASE_PORT |
692 | 14f5f1b6 | Manuel Franceschini | if vnc_bind_address == constants.IP4_ADDRESS_ANY:
|
693 | d0c8c01d | Iustin Pop | vnc_arg = ":%d" % (display)
|
694 | 8447f52b | Guido Trotter | else:
|
695 | d0c8c01d | Iustin Pop | vnc_arg = "%s:%d" % (vnc_bind_address, display)
|
696 | 8470c8db | Guido Trotter | else:
|
697 | 8447f52b | Guido Trotter | logging.error("Network port is not a valid VNC display (%d < %d)."
|
698 | 07b8a2b5 | Iustin Pop | " Not starting VNC", instance.network_port,
|
699 | 07b8a2b5 | Iustin Pop | constants.VNC_BASE_PORT) |
700 | d0c8c01d | Iustin Pop | vnc_arg = "none"
|
701 | 8b2d1013 | Guido Trotter | |
702 | 8b2d1013 | Guido Trotter | # Only allow tls and other option when not binding to a file, for now.
|
703 | 8b2d1013 | Guido Trotter | # kvm/qemu gets confused otherwise about the filename to use.
|
704 | d0c8c01d | Iustin Pop | vnc_append = ""
|
705 | a985b417 | Iustin Pop | if hvp[constants.HV_VNC_TLS]:
|
706 | d0c8c01d | Iustin Pop | vnc_append = "%s,tls" % vnc_append
|
707 | a985b417 | Iustin Pop | if hvp[constants.HV_VNC_X509_VERIFY]:
|
708 | d0c8c01d | Iustin Pop | vnc_append = "%s,x509verify=%s" % (vnc_append,
|
709 | a985b417 | Iustin Pop | hvp[constants.HV_VNC_X509]) |
710 | a985b417 | Iustin Pop | elif hvp[constants.HV_VNC_X509]:
|
711 | d0c8c01d | Iustin Pop | vnc_append = "%s,x509=%s" % (vnc_append,
|
712 | a985b417 | Iustin Pop | hvp[constants.HV_VNC_X509]) |
713 | 6e6bb8d5 | Guido Trotter | if hvp[constants.HV_VNC_PASSWORD_FILE]:
|
714 | d0c8c01d | Iustin Pop | vnc_append = "%s,password" % vnc_append
|
715 | 6e6bb8d5 | Guido Trotter | |
716 | d0c8c01d | Iustin Pop | vnc_arg = "%s%s" % (vnc_arg, vnc_append)
|
717 | 8b2d1013 | Guido Trotter | |
718 | 8470c8db | Guido Trotter | else:
|
719 | d0c8c01d | Iustin Pop | vnc_arg = "unix:%s/%s.vnc" % (vnc_bind_address, instance.name)
|
720 | 8b2d1013 | Guido Trotter | |
721 | d0c8c01d | Iustin Pop | kvm_cmd.extend(["-vnc", vnc_arg])
|
722 | 596b2459 | Guido Trotter | elif spice_bind:
|
723 | b1cb62bd | Andrea Spadaccini | if netutils.IsValidInterface(spice_bind):
|
724 | b1cb62bd | Andrea Spadaccini | # The user specified a network interface, we have to figure out the IP
|
725 | b1cb62bd | Andrea Spadaccini | # address.
|
726 | b1cb62bd | Andrea Spadaccini | addresses = netutils.GetInterfaceIpAddresses(spice_bind) |
727 | b1cb62bd | Andrea Spadaccini | spice_ip_version = hvp[constants.HV_KVM_SPICE_IP_VERSION] |
728 | b1cb62bd | Andrea Spadaccini | |
729 | b1cb62bd | Andrea Spadaccini | # if the user specified an IP version and the interface does not
|
730 | b1cb62bd | Andrea Spadaccini | # have that kind of IP addresses, throw an exception
|
731 | b1cb62bd | Andrea Spadaccini | if spice_ip_version != constants.IFACE_NO_IP_VERSION_SPECIFIED:
|
732 | b1cb62bd | Andrea Spadaccini | if not addresses[spice_ip_version]: |
733 | b1cb62bd | Andrea Spadaccini | raise errors.HypervisorError("spice: unable to get an IPv%s address" |
734 | b1cb62bd | Andrea Spadaccini | " for %s" % (spice_ip_version,
|
735 | b1cb62bd | Andrea Spadaccini | spice_bind)) |
736 | b1cb62bd | Andrea Spadaccini | |
737 | b1cb62bd | Andrea Spadaccini | # the user did not specify an IP version, we have to figure it out
|
738 | b1cb62bd | Andrea Spadaccini | elif (addresses[constants.IP4_VERSION] and |
739 | b1cb62bd | Andrea Spadaccini | addresses[constants.IP6_VERSION]): |
740 | b1cb62bd | Andrea Spadaccini | # we have both ipv4 and ipv6, let's use the cluster default IP
|
741 | b1cb62bd | Andrea Spadaccini | # version
|
742 | b1cb62bd | Andrea Spadaccini | cluster_family = ssconf.SimpleStore().GetPrimaryIPFamily() |
743 | b1cb62bd | Andrea Spadaccini | spice_ip_version = netutils.IPAddress.GetVersionFromAddressFamily( |
744 | b1cb62bd | Andrea Spadaccini | cluster_family) |
745 | b1cb62bd | Andrea Spadaccini | elif addresses[constants.IP4_VERSION]:
|
746 | b1cb62bd | Andrea Spadaccini | spice_ip_version = constants.IP4_VERSION |
747 | b845c8a1 | Andrea Spadaccini | elif addresses[constants.IP6_VERSION]:
|
748 | b1cb62bd | Andrea Spadaccini | spice_ip_version = constants.IP6_VERSION |
749 | b845c8a1 | Andrea Spadaccini | else:
|
750 | b845c8a1 | Andrea Spadaccini | raise errors.HypervisorError("spice: unable to get an IP address" |
751 | b845c8a1 | Andrea Spadaccini | " for %s" % (spice_bind))
|
752 | b1cb62bd | Andrea Spadaccini | |
753 | b1cb62bd | Andrea Spadaccini | spice_address = addresses[spice_ip_version][0]
|
754 | b1cb62bd | Andrea Spadaccini | |
755 | b1cb62bd | Andrea Spadaccini | else:
|
756 | b1cb62bd | Andrea Spadaccini | # spice_bind is known to be a valid IP address, because
|
757 | b1cb62bd | Andrea Spadaccini | # ValidateParameters checked it.
|
758 | b1cb62bd | Andrea Spadaccini | spice_address = spice_bind |
759 | b1cb62bd | Andrea Spadaccini | |
760 | 11ae7a0a | Andrea Spadaccini | spice_arg = "addr=%s,port=%s,disable-ticketing" % (spice_address,
|
761 | 11ae7a0a | Andrea Spadaccini | instance.network_port) |
762 | 11ae7a0a | Andrea Spadaccini | if spice_ip_version:
|
763 | 11ae7a0a | Andrea Spadaccini | spice_arg = "%s,ipv%s" % (spice_arg, spice_ip_version)
|
764 | b1cb62bd | Andrea Spadaccini | |
765 | b1cb62bd | Andrea Spadaccini | logging.info("KVM: SPICE will listen on port %s", instance.network_port)
|
766 | b1cb62bd | Andrea Spadaccini | kvm_cmd.extend(["-spice", spice_arg])
|
767 | b1cb62bd | Andrea Spadaccini | |
768 | 596b2459 | Guido Trotter | else:
|
769 | 596b2459 | Guido Trotter | kvm_cmd.extend(["-nographic"])
|
770 | 596b2459 | Guido Trotter | |
771 | 6b970cef | Jun Futagawa | if hvp[constants.HV_USE_LOCALTIME]:
|
772 | d0c8c01d | Iustin Pop | kvm_cmd.extend(["-localtime"])
|
773 | 6b970cef | Jun Futagawa | |
774 | 547a63b7 | Balazs Lecz | if hvp[constants.HV_KVM_USE_CHROOT]:
|
775 | d0c8c01d | Iustin Pop | kvm_cmd.extend(["-chroot", self._InstanceChrootDir(instance.name)]) |
776 | 547a63b7 | Balazs Lecz | |
777 | ee5f20b0 | Guido Trotter | # Save the current instance nics, but defer their expansion as parameters,
|
778 | ee5f20b0 | Guido Trotter | # as we'll need to generate executable temp files for them.
|
779 | ee5f20b0 | Guido Trotter | kvm_nics = instance.nics |
780 | a985b417 | Iustin Pop | hvparams = hvp |
781 | ee5f20b0 | Guido Trotter | |
782 | c2672466 | Guido Trotter | return (kvm_cmd, kvm_nics, hvparams)
|
783 | ee5f20b0 | Guido Trotter | |
784 | 38e250ba | Guido Trotter | def _WriteKVMRuntime(self, instance_name, data): |
785 | 38e250ba | Guido Trotter | """Write an instance's KVM runtime
|
786 | 38e250ba | Guido Trotter |
|
787 | 38e250ba | Guido Trotter | """
|
788 | 38e250ba | Guido Trotter | try:
|
789 | 38e250ba | Guido Trotter | utils.WriteFile(self._InstanceKVMRuntime(instance_name),
|
790 | 38e250ba | Guido Trotter | data=data) |
791 | 90c024f6 | Guido Trotter | except EnvironmentError, err: |
792 | 38e250ba | Guido Trotter | raise errors.HypervisorError("Failed to save KVM runtime file: %s" % err) |
793 | 38e250ba | Guido Trotter | |
794 | 38e250ba | Guido Trotter | def _ReadKVMRuntime(self, instance_name): |
795 | 38e250ba | Guido Trotter | """Read an instance's KVM runtime
|
796 | 38e250ba | Guido Trotter |
|
797 | 38e250ba | Guido Trotter | """
|
798 | 38e250ba | Guido Trotter | try:
|
799 | 38e250ba | Guido Trotter | file_content = utils.ReadFile(self._InstanceKVMRuntime(instance_name))
|
800 | 90c024f6 | Guido Trotter | except EnvironmentError, err: |
801 | 38e250ba | Guido Trotter | raise errors.HypervisorError("Failed to load KVM runtime file: %s" % err) |
802 | 38e250ba | Guido Trotter | return file_content
|
803 | 38e250ba | Guido Trotter | |
804 | 38e250ba | Guido Trotter | def _SaveKVMRuntime(self, instance, kvm_runtime): |
805 | 38e250ba | Guido Trotter | """Save an instance's KVM runtime
|
806 | 38e250ba | Guido Trotter |
|
807 | 38e250ba | Guido Trotter | """
|
808 | c2672466 | Guido Trotter | kvm_cmd, kvm_nics, hvparams = kvm_runtime |
809 | 38e250ba | Guido Trotter | serialized_nics = [nic.ToDict() for nic in kvm_nics] |
810 | c2672466 | Guido Trotter | serialized_form = serializer.Dump((kvm_cmd, serialized_nics, hvparams)) |
811 | 38e250ba | Guido Trotter | self._WriteKVMRuntime(instance.name, serialized_form)
|
812 | 38e250ba | Guido Trotter | |
813 | 30e42c4e | Guido Trotter | def _LoadKVMRuntime(self, instance, serialized_runtime=None): |
814 | 38e250ba | Guido Trotter | """Load an instance's KVM runtime
|
815 | 38e250ba | Guido Trotter |
|
816 | 38e250ba | Guido Trotter | """
|
817 | 30e42c4e | Guido Trotter | if not serialized_runtime: |
818 | 30e42c4e | Guido Trotter | serialized_runtime = self._ReadKVMRuntime(instance.name)
|
819 | 30e42c4e | Guido Trotter | loaded_runtime = serializer.Load(serialized_runtime) |
820 | c2672466 | Guido Trotter | kvm_cmd, serialized_nics, hvparams = loaded_runtime |
821 | 38e250ba | Guido Trotter | kvm_nics = [objects.NIC.FromDict(snic) for snic in serialized_nics] |
822 | c2672466 | Guido Trotter | return (kvm_cmd, kvm_nics, hvparams)
|
823 | 38e250ba | Guido Trotter | |
824 | 5d9bfd87 | Apollon Oikonomopoulos | def _RunKVMCmd(self, name, kvm_cmd, tap_fds=None): |
825 | 76431533 | Guido Trotter | """Run the KVM cmd and check for errors
|
826 | 76431533 | Guido Trotter |
|
827 | 76431533 | Guido Trotter | @type name: string
|
828 | 76431533 | Guido Trotter | @param name: instance name
|
829 | 76431533 | Guido Trotter | @type kvm_cmd: list of strings
|
830 | 76431533 | Guido Trotter | @param kvm_cmd: runcmd input for kvm
|
831 | 5d9bfd87 | Apollon Oikonomopoulos | @type tap_fds: list of int
|
832 | 5d9bfd87 | Apollon Oikonomopoulos | @param tap_fds: fds of tap devices opened by Ganeti
|
833 | 76431533 | Guido Trotter |
|
834 | 76431533 | Guido Trotter | """
|
835 | 5d9bfd87 | Apollon Oikonomopoulos | try:
|
836 | 5d9bfd87 | Apollon Oikonomopoulos | result = utils.RunCmd(kvm_cmd, noclose_fds=tap_fds) |
837 | 5d9bfd87 | Apollon Oikonomopoulos | finally:
|
838 | 5d9bfd87 | Apollon Oikonomopoulos | for fd in tap_fds: |
839 | 5d9bfd87 | Apollon Oikonomopoulos | utils_wrapper.CloseFdNoError(fd) |
840 | 5d9bfd87 | Apollon Oikonomopoulos | |
841 | 76431533 | Guido Trotter | if result.failed:
|
842 | 76431533 | Guido Trotter | raise errors.HypervisorError("Failed to start instance %s: %s (%s)" % |
843 | 76431533 | Guido Trotter | (name, result.fail_reason, result.output)) |
844 | 76431533 | Guido Trotter | if not self._InstancePidAlive(name)[2]: |
845 | 76431533 | Guido Trotter | raise errors.HypervisorError("Failed to start instance %s" % name) |
846 | 76431533 | Guido Trotter | |
847 | 30e42c4e | Guido Trotter | def _ExecuteKVMRuntime(self, instance, kvm_runtime, incoming=None): |
848 | ee5f20b0 | Guido Trotter | """Execute a KVM cmd, after completing it with some last minute data
|
849 | ee5f20b0 | Guido Trotter |
|
850 | 30e42c4e | Guido Trotter | @type incoming: tuple of strings
|
851 | 30e42c4e | Guido Trotter | @param incoming: (target_host_ip, port)
|
852 | 30e42c4e | Guido Trotter |
|
853 | ee5f20b0 | Guido Trotter | """
|
854 | 297e6e53 | Guido Trotter | # Small _ExecuteKVMRuntime hv parameters programming howto:
|
855 | 297e6e53 | Guido Trotter | # - conf_hvp contains the parameters as configured on ganeti. they might
|
856 | 297e6e53 | Guido Trotter | # have changed since the instance started; only use them if the change
|
857 | 297e6e53 | Guido Trotter | # won't affect the inside of the instance (which hasn't been rebooted).
|
858 | 297e6e53 | Guido Trotter | # - up_hvp contains the parameters as they were when the instance was
|
859 | 297e6e53 | Guido Trotter | # started, plus any new parameter which has been added between ganeti
|
860 | 297e6e53 | Guido Trotter | # versions: it is paramount that those default to a value which won't
|
861 | 297e6e53 | Guido Trotter | # affect the inside of the instance as well.
|
862 | 297e6e53 | Guido Trotter | conf_hvp = instance.hvparams |
863 | 5905901c | Iustin Pop | name = instance.name |
864 | 5905901c | Iustin Pop | self._CheckDown(name)
|
865 | ee5f20b0 | Guido Trotter | |
866 | ee5f20b0 | Guido Trotter | temp_files = [] |
867 | ee5f20b0 | Guido Trotter | |
868 | 297e6e53 | Guido Trotter | kvm_cmd, kvm_nics, up_hvp = kvm_runtime |
869 | 297e6e53 | Guido Trotter | up_hvp = objects.FillDict(conf_hvp, up_hvp) |
870 | ee5f20b0 | Guido Trotter | |
871 | 440351f8 | Andrea Spadaccini | _, v_major, v_min, _ = self._GetKVMVersion()
|
872 | 4b784cf8 | Miguel Di Ciurcio Filho | |
873 | 297e6e53 | Guido Trotter | # We know it's safe to run as a different user upon migration, so we'll use
|
874 | 297e6e53 | Guido Trotter | # the latest conf, from conf_hvp.
|
875 | 297e6e53 | Guido Trotter | security_model = conf_hvp[constants.HV_SECURITY_MODEL] |
876 | cef34868 | Guido Trotter | if security_model == constants.HT_SM_USER:
|
877 | 297e6e53 | Guido Trotter | kvm_cmd.extend(["-runas", conf_hvp[constants.HV_SECURITY_DOMAIN]])
|
878 | cef34868 | Guido Trotter | |
879 | 297e6e53 | Guido Trotter | # We have reasons to believe changing something like the nic driver/type
|
880 | 297e6e53 | Guido Trotter | # upon migration won't exactly fly with the instance kernel, so for nic
|
881 | 297e6e53 | Guido Trotter | # related parameters we'll use up_hvp
|
882 | 5d9bfd87 | Apollon Oikonomopoulos | tapfds = [] |
883 | 5d9bfd87 | Apollon Oikonomopoulos | taps = [] |
884 | ee5f20b0 | Guido Trotter | if not kvm_nics: |
885 | fbe27e2b | Guido Trotter | kvm_cmd.extend(["-net", "none"]) |
886 | ee5f20b0 | Guido Trotter | else:
|
887 | 5d9bfd87 | Apollon Oikonomopoulos | vnet_hdr = False
|
888 | fbe27e2b | Guido Trotter | tap_extra = ""
|
889 | 297e6e53 | Guido Trotter | nic_type = up_hvp[constants.HV_NIC_TYPE] |
890 | 37f88dc6 | Guido Trotter | if nic_type == constants.HT_NIC_PARAVIRTUAL:
|
891 | 4b784cf8 | Miguel Di Ciurcio Filho | # From version 0.12.0, kvm uses a new sintax for network configuration.
|
892 | 049383d9 | Adeodato Simo | if (v_major, v_min) >= (0, 12): |
893 | 4b784cf8 | Miguel Di Ciurcio Filho | nic_model = "virtio-net-pci"
|
894 | 5d9bfd87 | Apollon Oikonomopoulos | vnet_hdr = True
|
895 | 4b784cf8 | Miguel Di Ciurcio Filho | else:
|
896 | 4b784cf8 | Miguel Di Ciurcio Filho | nic_model = "virtio"
|
897 | 4b784cf8 | Miguel Di Ciurcio Filho | |
898 | 297e6e53 | Guido Trotter | if up_hvp[constants.HV_VHOST_NET]:
|
899 | 4b784cf8 | Miguel Di Ciurcio Filho | # vhost_net is only available from version 0.13.0 or newer
|
900 | 049383d9 | Adeodato Simo | if (v_major, v_min) >= (0, 13): |
901 | 4b784cf8 | Miguel Di Ciurcio Filho | tap_extra = ",vhost=on"
|
902 | 4b784cf8 | Miguel Di Ciurcio Filho | else:
|
903 | 4b784cf8 | Miguel Di Ciurcio Filho | raise errors.HypervisorError("vhost_net is configured" |
904 | 4b784cf8 | Miguel Di Ciurcio Filho | " but it is not available")
|
905 | 37f88dc6 | Guido Trotter | else:
|
906 | 4b784cf8 | Miguel Di Ciurcio Filho | nic_model = nic_type |
907 | 37f88dc6 | Guido Trotter | |
908 | ee5f20b0 | Guido Trotter | for nic_seq, nic in enumerate(kvm_nics): |
909 | 5d9bfd87 | Apollon Oikonomopoulos | tapname, tapfd = _OpenTap(vnet_hdr) |
910 | 5d9bfd87 | Apollon Oikonomopoulos | tapfds.append(tapfd) |
911 | 5d9bfd87 | Apollon Oikonomopoulos | taps.append(tapname) |
912 | 049383d9 | Adeodato Simo | if (v_major, v_min) >= (0, 12): |
913 | 4b784cf8 | Miguel Di Ciurcio Filho | nic_val = "%s,mac=%s,netdev=netdev%s" % (nic_model, nic.mac, nic_seq)
|
914 | 5d9bfd87 | Apollon Oikonomopoulos | tap_val = "type=tap,id=netdev%s,fd=%d%s" % (nic_seq, tapfd, tap_extra)
|
915 | 4b784cf8 | Miguel Di Ciurcio Filho | kvm_cmd.extend(["-netdev", tap_val, "-device", nic_val]) |
916 | 4b784cf8 | Miguel Di Ciurcio Filho | else:
|
917 | 049383d9 | Adeodato Simo | nic_val = "nic,vlan=%s,macaddr=%s,model=%s" % (nic_seq,
|
918 | 049383d9 | Adeodato Simo | nic.mac, nic_model) |
919 | 5d9bfd87 | Apollon Oikonomopoulos | tap_val = "tap,vlan=%s,fd=%d" % (nic_seq, tapfd)
|
920 | 4b784cf8 | Miguel Di Ciurcio Filho | kvm_cmd.extend(["-net", tap_val, "-net", nic_val]) |
921 | ee5f20b0 | Guido Trotter | |
922 | 30e42c4e | Guido Trotter | if incoming:
|
923 | 30e42c4e | Guido Trotter | target, port = incoming |
924 | d0c8c01d | Iustin Pop | kvm_cmd.extend(["-incoming", "tcp:%s:%s" % (target, port)]) |
925 | 30e42c4e | Guido Trotter | |
926 | 297e6e53 | Guido Trotter | # Changing the vnc password doesn't bother the guest that much. At most it
|
927 | 297e6e53 | Guido Trotter | # will surprise people who connect to it. Whether positively or negatively
|
928 | 297e6e53 | Guido Trotter | # it's debatable.
|
929 | 297e6e53 | Guido Trotter | vnc_pwd_file = conf_hvp[constants.HV_VNC_PASSWORD_FILE] |
930 | 6e6bb8d5 | Guido Trotter | vnc_pwd = None
|
931 | 6e6bb8d5 | Guido Trotter | if vnc_pwd_file:
|
932 | 6e6bb8d5 | Guido Trotter | try:
|
933 | 682f7601 | Guido Trotter | vnc_pwd = utils.ReadOneLineFile(vnc_pwd_file, strict=True)
|
934 | 6e6bb8d5 | Guido Trotter | except EnvironmentError, err: |
935 | 6e6bb8d5 | Guido Trotter | raise errors.HypervisorError("Failed to open VNC password file %s: %s" |
936 | 6e6bb8d5 | Guido Trotter | % (vnc_pwd_file, err)) |
937 | 6e6bb8d5 | Guido Trotter | |
938 | 297e6e53 | Guido Trotter | if conf_hvp[constants.HV_KVM_USE_CHROOT]:
|
939 | 547a63b7 | Balazs Lecz | utils.EnsureDirs([(self._InstanceChrootDir(name),
|
940 | 547a63b7 | Balazs Lecz | constants.SECURE_DIR_MODE)]) |
941 | 547a63b7 | Balazs Lecz | |
942 | cc8a8ed7 | Apollon Oikonomopoulos | # Configure the network now for starting instances and bridged interfaces,
|
943 | cc8a8ed7 | Apollon Oikonomopoulos | # during FinalizeMigration for incoming instances' routed interfaces
|
944 | cc8a8ed7 | Apollon Oikonomopoulos | for nic_seq, nic in enumerate(kvm_nics): |
945 | cc8a8ed7 | Apollon Oikonomopoulos | if (incoming and |
946 | cc8a8ed7 | Apollon Oikonomopoulos | nic.nicparams[constants.NIC_MODE] != constants.NIC_MODE_BRIDGED): |
947 | cc8a8ed7 | Apollon Oikonomopoulos | continue
|
948 | cc8a8ed7 | Apollon Oikonomopoulos | self._ConfigureNIC(instance, nic_seq, nic, taps[nic_seq])
|
949 | 5d9bfd87 | Apollon Oikonomopoulos | |
950 | 76431533 | Guido Trotter | if security_model == constants.HT_SM_POOL:
|
951 | 76431533 | Guido Trotter | ss = ssconf.SimpleStore() |
952 | 76431533 | Guido Trotter | uid_pool = uidpool.ParseUidPool(ss.GetUidPool(), separator="\n")
|
953 | 76431533 | Guido Trotter | all_uids = set(uidpool.ExpandUidPool(uid_pool))
|
954 | 76431533 | Guido Trotter | uid = uidpool.RequestUnusedUid(all_uids) |
955 | 76431533 | Guido Trotter | try:
|
956 | 76431533 | Guido Trotter | username = pwd.getpwuid(uid.GetUid()).pw_name |
957 | 76431533 | Guido Trotter | kvm_cmd.extend(["-runas", username])
|
958 | 5d9bfd87 | Apollon Oikonomopoulos | self._RunKVMCmd(name, kvm_cmd, tapfds)
|
959 | 76431533 | Guido Trotter | except:
|
960 | 76431533 | Guido Trotter | uidpool.ReleaseUid(uid) |
961 | 76431533 | Guido Trotter | raise
|
962 | 76431533 | Guido Trotter | else:
|
963 | 76431533 | Guido Trotter | uid.Unlock() |
964 | 3af16328 | Apollon Oikonomopoulos | utils.WriteFile(self._InstanceUidFile(name), data=uid.AsStr())
|
965 | 76431533 | Guido Trotter | else:
|
966 | 5d9bfd87 | Apollon Oikonomopoulos | self._RunKVMCmd(name, kvm_cmd, tapfds)
|
967 | 5d9bfd87 | Apollon Oikonomopoulos | |
968 | 5d9bfd87 | Apollon Oikonomopoulos | utils.EnsureDirs([(self._InstanceNICDir(instance.name),
|
969 | 5d9bfd87 | Apollon Oikonomopoulos | constants.RUN_DIRS_MODE)]) |
970 | 5d9bfd87 | Apollon Oikonomopoulos | for nic_seq, tap in enumerate(taps): |
971 | 5d9bfd87 | Apollon Oikonomopoulos | utils.WriteFile(self._InstanceNICFile(instance.name, nic_seq),
|
972 | 5d9bfd87 | Apollon Oikonomopoulos | data=tap) |
973 | eb58f9b1 | Guido Trotter | |
974 | 6e6bb8d5 | Guido Trotter | if vnc_pwd:
|
975 | d0c8c01d | Iustin Pop | change_cmd = "change vnc password %s" % vnc_pwd
|
976 | 6e6bb8d5 | Guido Trotter | self._CallMonitorCommand(instance.name, change_cmd)
|
977 | 6e6bb8d5 | Guido Trotter | |
978 | 08137f9e | Iustin Pop | for filename in temp_files: |
979 | 08137f9e | Iustin Pop | utils.RemoveFile(filename) |
980 | eb58f9b1 | Guido Trotter | |
981 | 323f9095 | Stephen Shirley | def StartInstance(self, instance, block_devices, startup_paused): |
982 | ee5f20b0 | Guido Trotter | """Start an instance.
|
983 | ee5f20b0 | Guido Trotter |
|
984 | ee5f20b0 | Guido Trotter | """
|
985 | 5905901c | Iustin Pop | self._CheckDown(instance.name)
|
986 | 7238edb5 | Iustin Pop | kvm_runtime = self._GenerateKVMRuntime(instance, block_devices,
|
987 | 7238edb5 | Iustin Pop | startup_paused) |
988 | 38e250ba | Guido Trotter | self._SaveKVMRuntime(instance, kvm_runtime)
|
989 | ee5f20b0 | Guido Trotter | self._ExecuteKVMRuntime(instance, kvm_runtime)
|
990 | ee5f20b0 | Guido Trotter | |
991 | 6567aff3 | Guido Trotter | def _CallMonitorCommand(self, instance_name, command): |
992 | 6567aff3 | Guido Trotter | """Invoke a command on the instance monitor.
|
993 | 6567aff3 | Guido Trotter |
|
994 | 6567aff3 | Guido Trotter | """
|
995 | 6567aff3 | Guido Trotter | socat = ("echo %s | %s STDIO UNIX-CONNECT:%s" %
|
996 | 6567aff3 | Guido Trotter | (utils.ShellQuote(command), |
997 | 6567aff3 | Guido Trotter | constants.SOCAT_PATH, |
998 | 6567aff3 | Guido Trotter | utils.ShellQuote(self._InstanceMonitor(instance_name))))
|
999 | 6567aff3 | Guido Trotter | result = utils.RunCmd(socat) |
1000 | 6567aff3 | Guido Trotter | if result.failed:
|
1001 | 6567aff3 | Guido Trotter | msg = ("Failed to send command '%s' to instance %s."
|
1002 | 6567aff3 | Guido Trotter | " output: %s, error: %s, fail_reason: %s" %
|
1003 | 9798fcae | Guido Trotter | (command, instance_name, |
1004 | 9798fcae | Guido Trotter | result.stdout, result.stderr, result.fail_reason)) |
1005 | 6567aff3 | Guido Trotter | raise errors.HypervisorError(msg)
|
1006 | 6567aff3 | Guido Trotter | |
1007 | 6567aff3 | Guido Trotter | return result
|
1008 | 6567aff3 | Guido Trotter | |
1009 | b52d85c1 | Guido Trotter | @classmethod
|
1010 | 585c8187 | Guido Trotter | def _ParseKVMVersion(cls, text): |
1011 | 585c8187 | Guido Trotter | """Parse the KVM version from the --help output.
|
1012 | 585c8187 | Guido Trotter |
|
1013 | 585c8187 | Guido Trotter | @type text: string
|
1014 | 585c8187 | Guido Trotter | @param text: output of kvm --help
|
1015 | 585c8187 | Guido Trotter | @return: (version, v_maj, v_min, v_rev)
|
1016 | 585c8187 | Guido Trotter | @raise L{errors.HypervisorError}: when the KVM version cannot be retrieved
|
1017 | 585c8187 | Guido Trotter |
|
1018 | 585c8187 | Guido Trotter | """
|
1019 | 585c8187 | Guido Trotter | match = cls._VERSION_RE.search(text.splitlines()[0])
|
1020 | 585c8187 | Guido Trotter | if not match: |
1021 | 585c8187 | Guido Trotter | raise errors.HypervisorError("Unable to get KVM version") |
1022 | 585c8187 | Guido Trotter | |
1023 | 585c8187 | Guido Trotter | v_all = match.group(0)
|
1024 | 585c8187 | Guido Trotter | v_maj = int(match.group(1)) |
1025 | 585c8187 | Guido Trotter | v_min = int(match.group(2)) |
1026 | 585c8187 | Guido Trotter | if match.group(4): |
1027 | 585c8187 | Guido Trotter | v_rev = int(match.group(4)) |
1028 | 585c8187 | Guido Trotter | else:
|
1029 | 585c8187 | Guido Trotter | v_rev = 0
|
1030 | 585c8187 | Guido Trotter | return (v_all, v_maj, v_min, v_rev)
|
1031 | 585c8187 | Guido Trotter | |
1032 | 585c8187 | Guido Trotter | @classmethod
|
1033 | b52d85c1 | Guido Trotter | def _GetKVMVersion(cls): |
1034 | d7e4a2b1 | Andrea Spadaccini | """Return the installed KVM version.
|
1035 | b52d85c1 | Guido Trotter |
|
1036 | 440351f8 | Andrea Spadaccini | @return: (version, v_maj, v_min, v_rev)
|
1037 | d7e4a2b1 | Andrea Spadaccini | @raise L{errors.HypervisorError}: when the KVM version cannot be retrieved
|
1038 | b52d85c1 | Guido Trotter |
|
1039 | b52d85c1 | Guido Trotter | """
|
1040 | b52d85c1 | Guido Trotter | result = utils.RunCmd([constants.KVM_PATH, "--help"])
|
1041 | b52d85c1 | Guido Trotter | if result.failed:
|
1042 | 440351f8 | Andrea Spadaccini | raise errors.HypervisorError("Unable to get KVM version") |
1043 | 585c8187 | Guido Trotter | return cls._ParseKVMVersion(result.output)
|
1044 | b52d85c1 | Guido Trotter | |
1045 | bbcf7ad0 | Iustin Pop | def StopInstance(self, instance, force=False, retry=False, name=None): |
1046 | eb58f9b1 | Guido Trotter | """Stop an instance.
|
1047 | eb58f9b1 | Guido Trotter |
|
1048 | eb58f9b1 | Guido Trotter | """
|
1049 | bbcf7ad0 | Iustin Pop | if name is not None and not force: |
1050 | bbcf7ad0 | Iustin Pop | raise errors.HypervisorError("Cannot shutdown cleanly by name only") |
1051 | bbcf7ad0 | Iustin Pop | if name is None: |
1052 | bbcf7ad0 | Iustin Pop | name = instance.name |
1053 | bbcf7ad0 | Iustin Pop | acpi = instance.hvparams[constants.HV_ACPI] |
1054 | bbcf7ad0 | Iustin Pop | else:
|
1055 | bbcf7ad0 | Iustin Pop | acpi = False
|
1056 | 8904b35c | Guido Trotter | _, pid, alive = self._InstancePidAlive(name)
|
1057 | 1f8b3a27 | Guido Trotter | if pid > 0 and alive: |
1058 | bbcf7ad0 | Iustin Pop | if force or not acpi: |
1059 | eb58f9b1 | Guido Trotter | utils.KillProcess(pid) |
1060 | eb58f9b1 | Guido Trotter | else:
|
1061 | d0c8c01d | Iustin Pop | self._CallMonitorCommand(name, "system_powerdown") |
1062 | eb58f9b1 | Guido Trotter | |
1063 | 8904b35c | Guido Trotter | def CleanupInstance(self, instance_name): |
1064 | 8904b35c | Guido Trotter | """Cleanup after a stopped instance
|
1065 | 8904b35c | Guido Trotter |
|
1066 | 8904b35c | Guido Trotter | """
|
1067 | 8904b35c | Guido Trotter | pidfile, pid, alive = self._InstancePidAlive(instance_name)
|
1068 | 8904b35c | Guido Trotter | if pid > 0 and alive: |
1069 | 8904b35c | Guido Trotter | raise errors.HypervisorError("Cannot cleanup a live instance") |
1070 | 8904b35c | Guido Trotter | self._RemoveInstanceRuntimeFiles(pidfile, instance_name)
|
1071 | eb58f9b1 | Guido Trotter | |
1072 | eb58f9b1 | Guido Trotter | def RebootInstance(self, instance): |
1073 | eb58f9b1 | Guido Trotter | """Reboot an instance.
|
1074 | eb58f9b1 | Guido Trotter |
|
1075 | eb58f9b1 | Guido Trotter | """
|
1076 | eb58f9b1 | Guido Trotter | # For some reason if we do a 'send-key ctrl-alt-delete' to the control
|
1077 | eb58f9b1 | Guido Trotter | # socket the instance will stop, but now power up again. So we'll resort
|
1078 | eb58f9b1 | Guido Trotter | # to shutdown and restart.
|
1079 | 1122eb25 | Iustin Pop | _, _, alive = self._InstancePidAlive(instance.name)
|
1080 | 1f8b3a27 | Guido Trotter | if not alive: |
1081 | 78411c60 | Iustin Pop | raise errors.HypervisorError("Failed to reboot instance %s:" |
1082 | 78411c60 | Iustin Pop | " not running" % instance.name)
|
1083 | f02881e0 | Guido Trotter | # StopInstance will delete the saved KVM runtime so:
|
1084 | f02881e0 | Guido Trotter | # ...first load it...
|
1085 | f02881e0 | Guido Trotter | kvm_runtime = self._LoadKVMRuntime(instance)
|
1086 | f02881e0 | Guido Trotter | # ...now we can safely call StopInstance...
|
1087 | f02881e0 | Guido Trotter | if not self.StopInstance(instance): |
1088 | f02881e0 | Guido Trotter | self.StopInstance(instance, force=True) |
1089 | f02881e0 | Guido Trotter | # ...and finally we can save it again, and execute it...
|
1090 | f02881e0 | Guido Trotter | self._SaveKVMRuntime(instance, kvm_runtime)
|
1091 | f02881e0 | Guido Trotter | self._ExecuteKVMRuntime(instance, kvm_runtime)
|
1092 | eb58f9b1 | Guido Trotter | |
1093 | 30e42c4e | Guido Trotter | def MigrationInfo(self, instance): |
1094 | 30e42c4e | Guido Trotter | """Get instance information to perform a migration.
|
1095 | 30e42c4e | Guido Trotter |
|
1096 | 30e42c4e | Guido Trotter | @type instance: L{objects.Instance}
|
1097 | 30e42c4e | Guido Trotter | @param instance: instance to be migrated
|
1098 | 30e42c4e | Guido Trotter | @rtype: string
|
1099 | 30e42c4e | Guido Trotter | @return: content of the KVM runtime file
|
1100 | 30e42c4e | Guido Trotter |
|
1101 | 30e42c4e | Guido Trotter | """
|
1102 | 30e42c4e | Guido Trotter | return self._ReadKVMRuntime(instance.name) |
1103 | 30e42c4e | Guido Trotter | |
1104 | 30e42c4e | Guido Trotter | def AcceptInstance(self, instance, info, target): |
1105 | 30e42c4e | Guido Trotter | """Prepare to accept an instance.
|
1106 | 30e42c4e | Guido Trotter |
|
1107 | 30e42c4e | Guido Trotter | @type instance: L{objects.Instance}
|
1108 | 30e42c4e | Guido Trotter | @param instance: instance to be accepted
|
1109 | 30e42c4e | Guido Trotter | @type info: string
|
1110 | 30e42c4e | Guido Trotter | @param info: content of the KVM runtime file on the source node
|
1111 | 30e42c4e | Guido Trotter | @type target: string
|
1112 | 30e42c4e | Guido Trotter | @param target: target host (usually ip), on this node
|
1113 | 30e42c4e | Guido Trotter |
|
1114 | 30e42c4e | Guido Trotter | """
|
1115 | 30e42c4e | Guido Trotter | kvm_runtime = self._LoadKVMRuntime(instance, serialized_runtime=info)
|
1116 | 641ae041 | Iustin Pop | incoming_address = (target, instance.hvparams[constants.HV_MIGRATION_PORT]) |
1117 | 30e42c4e | Guido Trotter | self._ExecuteKVMRuntime(instance, kvm_runtime, incoming=incoming_address)
|
1118 | 30e42c4e | Guido Trotter | |
1119 | 30e42c4e | Guido Trotter | def FinalizeMigration(self, instance, info, success): |
1120 | 30e42c4e | Guido Trotter | """Finalize an instance migration.
|
1121 | 30e42c4e | Guido Trotter |
|
1122 | 30e42c4e | Guido Trotter | Stop the incoming mode KVM.
|
1123 | 30e42c4e | Guido Trotter |
|
1124 | 30e42c4e | Guido Trotter | @type instance: L{objects.Instance}
|
1125 | fea922fa | Guido Trotter | @param instance: instance whose migration is being finalized
|
1126 | 30e42c4e | Guido Trotter |
|
1127 | 30e42c4e | Guido Trotter | """
|
1128 | 30e42c4e | Guido Trotter | if success:
|
1129 | 5d9bfd87 | Apollon Oikonomopoulos | kvm_runtime = self._LoadKVMRuntime(instance, serialized_runtime=info)
|
1130 | 5d9bfd87 | Apollon Oikonomopoulos | kvm_nics = kvm_runtime[1]
|
1131 | 5d9bfd87 | Apollon Oikonomopoulos | |
1132 | 5d9bfd87 | Apollon Oikonomopoulos | for nic_seq, nic in enumerate(kvm_nics): |
1133 | cc8a8ed7 | Apollon Oikonomopoulos | if nic.nicparams[constants.NIC_MODE] == constants.NIC_MODE_BRIDGED:
|
1134 | cc8a8ed7 | Apollon Oikonomopoulos | # Bridged interfaces have already been configured
|
1135 | cc8a8ed7 | Apollon Oikonomopoulos | continue
|
1136 | 5d9bfd87 | Apollon Oikonomopoulos | try:
|
1137 | 5d9bfd87 | Apollon Oikonomopoulos | tap = utils.ReadFile(self._InstanceNICFile(instance.name, nic_seq))
|
1138 | 5d9bfd87 | Apollon Oikonomopoulos | except EnvironmentError, err: |
1139 | 5d9bfd87 | Apollon Oikonomopoulos | logging.warning("Failed to find host interface for %s NIC #%d: %s",
|
1140 | 5d9bfd87 | Apollon Oikonomopoulos | instance.name, nic_seq, str(err))
|
1141 | 5d9bfd87 | Apollon Oikonomopoulos | continue
|
1142 | 5d9bfd87 | Apollon Oikonomopoulos | try:
|
1143 | 5d9bfd87 | Apollon Oikonomopoulos | self._ConfigureNIC(instance, nic_seq, nic, tap)
|
1144 | 5d9bfd87 | Apollon Oikonomopoulos | except errors.HypervisorError, err:
|
1145 | 5d9bfd87 | Apollon Oikonomopoulos | logging.warning(str(err))
|
1146 | 5d9bfd87 | Apollon Oikonomopoulos | |
1147 | 30e42c4e | Guido Trotter | self._WriteKVMRuntime(instance.name, info)
|
1148 | 30e42c4e | Guido Trotter | else:
|
1149 | 30e42c4e | Guido Trotter | self.StopInstance(instance, force=True) |
1150 | 30e42c4e | Guido Trotter | |
1151 | 58d38b02 | Iustin Pop | def MigrateInstance(self, instance, target, live): |
1152 | 30e42c4e | Guido Trotter | """Migrate an instance to a target node.
|
1153 | 30e42c4e | Guido Trotter |
|
1154 | 30e42c4e | Guido Trotter | The migration will not be attempted if the instance is not
|
1155 | 30e42c4e | Guido Trotter | currently running.
|
1156 | 30e42c4e | Guido Trotter |
|
1157 | 58d38b02 | Iustin Pop | @type instance: L{objects.Instance}
|
1158 | 58d38b02 | Iustin Pop | @param instance: the instance to be migrated
|
1159 | 30e42c4e | Guido Trotter | @type target: string
|
1160 | 30e42c4e | Guido Trotter | @param target: ip address of the target node
|
1161 | 30e42c4e | Guido Trotter | @type live: boolean
|
1162 | 30e42c4e | Guido Trotter | @param live: perform a live migration
|
1163 | 30e42c4e | Guido Trotter |
|
1164 | 30e42c4e | Guido Trotter | """
|
1165 | 58d38b02 | Iustin Pop | instance_name = instance.name |
1166 | 50716be0 | Iustin Pop | port = instance.hvparams[constants.HV_MIGRATION_PORT] |
1167 | 30e42c4e | Guido Trotter | pidfile, pid, alive = self._InstancePidAlive(instance_name)
|
1168 | 30e42c4e | Guido Trotter | if not alive: |
1169 | 30e42c4e | Guido Trotter | raise errors.HypervisorError("Instance not running, cannot migrate") |
1170 | 30e42c4e | Guido Trotter | |
1171 | 30e42c4e | Guido Trotter | if not live: |
1172 | d0c8c01d | Iustin Pop | self._CallMonitorCommand(instance_name, "stop") |
1173 | 30e42c4e | Guido Trotter | |
1174 | d0c8c01d | Iustin Pop | migrate_command = ("migrate_set_speed %dm" %
|
1175 | e43d4f9f | Apollon Oikonomopoulos | instance.hvparams[constants.HV_MIGRATION_BANDWIDTH]) |
1176 | e43d4f9f | Apollon Oikonomopoulos | self._CallMonitorCommand(instance_name, migrate_command)
|
1177 | e43d4f9f | Apollon Oikonomopoulos | |
1178 | d0c8c01d | Iustin Pop | migrate_command = ("migrate_set_downtime %dms" %
|
1179 | e43d4f9f | Apollon Oikonomopoulos | instance.hvparams[constants.HV_MIGRATION_DOWNTIME]) |
1180 | e43d4f9f | Apollon Oikonomopoulos | self._CallMonitorCommand(instance_name, migrate_command)
|
1181 | e43d4f9f | Apollon Oikonomopoulos | |
1182 | d0c8c01d | Iustin Pop | migrate_command = "migrate -d tcp:%s:%s" % (target, port)
|
1183 | 30e42c4e | Guido Trotter | self._CallMonitorCommand(instance_name, migrate_command)
|
1184 | 30e42c4e | Guido Trotter | |
1185 | d0c8c01d | Iustin Pop | info_command = "info migrate"
|
1186 | 30e42c4e | Guido Trotter | done = False
|
1187 | c4e388a5 | Guido Trotter | broken_answers = 0
|
1188 | 30e42c4e | Guido Trotter | while not done: |
1189 | 30e42c4e | Guido Trotter | result = self._CallMonitorCommand(instance_name, info_command)
|
1190 | 30e42c4e | Guido Trotter | match = self._MIGRATION_STATUS_RE.search(result.stdout)
|
1191 | 30e42c4e | Guido Trotter | if not match: |
1192 | c4e388a5 | Guido Trotter | broken_answers += 1
|
1193 | c4e388a5 | Guido Trotter | if not result.stdout: |
1194 | c4e388a5 | Guido Trotter | logging.info("KVM: empty 'info migrate' result")
|
1195 | c4e388a5 | Guido Trotter | else:
|
1196 | e4dd2299 | Guido Trotter | logging.warning("KVM: unknown 'info migrate' result: %s",
|
1197 | c4e388a5 | Guido Trotter | result.stdout) |
1198 | c4e388a5 | Guido Trotter | time.sleep(self._MIGRATION_INFO_RETRY_DELAY)
|
1199 | 30e42c4e | Guido Trotter | else:
|
1200 | 30e42c4e | Guido Trotter | status = match.group(1)
|
1201 | d0c8c01d | Iustin Pop | if status == "completed": |
1202 | 30e42c4e | Guido Trotter | done = True
|
1203 | d0c8c01d | Iustin Pop | elif status == "active": |
1204 | c4e388a5 | Guido Trotter | # reset the broken answers count
|
1205 | c4e388a5 | Guido Trotter | broken_answers = 0
|
1206 | c4e388a5 | Guido Trotter | time.sleep(self._MIGRATION_INFO_RETRY_DELAY)
|
1207 | d0c8c01d | Iustin Pop | elif status == "failed" or status == "cancelled": |
1208 | c087266c | Guido Trotter | if not live: |
1209 | c087266c | Guido Trotter | self._CallMonitorCommand(instance_name, 'cont') |
1210 | c087266c | Guido Trotter | raise errors.HypervisorError("Migration %s at the kvm level" % |
1211 | c087266c | Guido Trotter | status) |
1212 | 30e42c4e | Guido Trotter | else:
|
1213 | c4e388a5 | Guido Trotter | logging.warning("KVM: unknown migration status '%s'", status)
|
1214 | c4e388a5 | Guido Trotter | broken_answers += 1
|
1215 | c4e388a5 | Guido Trotter | time.sleep(self._MIGRATION_INFO_RETRY_DELAY)
|
1216 | c4e388a5 | Guido Trotter | if broken_answers >= self._MIGRATION_INFO_MAX_BAD_ANSWERS: |
1217 | c4e388a5 | Guido Trotter | raise errors.HypervisorError("Too many 'info migrate' broken answers") |
1218 | 30e42c4e | Guido Trotter | |
1219 | 30e42c4e | Guido Trotter | utils.KillProcess(pid) |
1220 | 7b381438 | Guido Trotter | self._RemoveInstanceRuntimeFiles(pidfile, instance_name)
|
1221 | 30e42c4e | Guido Trotter | |
1222 | eb58f9b1 | Guido Trotter | def GetNodeInfo(self): |
1223 | eb58f9b1 | Guido Trotter | """Return information about the node.
|
1224 | eb58f9b1 | Guido Trotter |
|
1225 | 572e52bf | Iustin Pop | This is just a wrapper over the base GetLinuxNodeInfo method.
|
1226 | 572e52bf | Iustin Pop |
|
1227 | c41eea6e | Iustin Pop | @return: a dict with the following keys (values in MiB):
|
1228 | c41eea6e | Iustin Pop | - memory_total: the total memory size on the node
|
1229 | c41eea6e | Iustin Pop | - memory_free: the available memory on the node for instances
|
1230 | c41eea6e | Iustin Pop | - memory_dom0: the memory used by the node itself, if available
|
1231 | eb58f9b1 | Guido Trotter |
|
1232 | eb58f9b1 | Guido Trotter | """
|
1233 | 572e52bf | Iustin Pop | return self.GetLinuxNodeInfo() |
1234 | eb58f9b1 | Guido Trotter | |
1235 | 637ce7f9 | Guido Trotter | @classmethod
|
1236 | 55cc0a44 | Michael Hanselmann | def GetInstanceConsole(cls, instance, hvparams, beparams): |
1237 | eb58f9b1 | Guido Trotter | """Return a command for connecting to the console of an instance.
|
1238 | eb58f9b1 | Guido Trotter |
|
1239 | eb58f9b1 | Guido Trotter | """
|
1240 | a2faf9ee | Guido Trotter | if hvparams[constants.HV_SERIAL_CONSOLE]:
|
1241 | 2f4c951e | Stephen Shirley | cmd = [constants.KVM_CONSOLE_WRAPPER, |
1242 | 2f4c951e | Stephen Shirley | constants.SOCAT_PATH, utils.ShellQuote(instance.name), |
1243 | 2f4c951e | Stephen Shirley | utils.ShellQuote(cls._InstanceMonitor(instance.name)), |
1244 | 55cc0a44 | Michael Hanselmann | "STDIO,%s" % cls._SocatUnixConsoleParams(),
|
1245 | 55cc0a44 | Michael Hanselmann | "UNIX-CONNECT:%s" % cls._InstanceSerial(instance.name)]
|
1246 | 55cc0a44 | Michael Hanselmann | return objects.InstanceConsole(instance=instance.name,
|
1247 | 55cc0a44 | Michael Hanselmann | kind=constants.CONS_SSH, |
1248 | 55cc0a44 | Michael Hanselmann | host=instance.primary_node, |
1249 | 55cc0a44 | Michael Hanselmann | user=constants.GANETI_RUNAS, |
1250 | 55cc0a44 | Michael Hanselmann | command=cmd) |
1251 | 3be34f57 | Guido Trotter | |
1252 | 3be34f57 | Guido Trotter | vnc_bind_address = hvparams[constants.HV_VNC_BIND_ADDRESS] |
1253 | 55cc0a44 | Michael Hanselmann | if vnc_bind_address and instance.network_port > constants.VNC_BASE_PORT: |
1254 | 55cc0a44 | Michael Hanselmann | display = instance.network_port - constants.VNC_BASE_PORT |
1255 | 55cc0a44 | Michael Hanselmann | return objects.InstanceConsole(instance=instance.name,
|
1256 | 55cc0a44 | Michael Hanselmann | kind=constants.CONS_VNC, |
1257 | 55cc0a44 | Michael Hanselmann | host=vnc_bind_address, |
1258 | 55cc0a44 | Michael Hanselmann | port=instance.network_port, |
1259 | 55cc0a44 | Michael Hanselmann | display=display) |
1260 | 55cc0a44 | Michael Hanselmann | |
1261 | 55cc0a44 | Michael Hanselmann | return objects.InstanceConsole(instance=instance.name,
|
1262 | 55cc0a44 | Michael Hanselmann | kind=constants.CONS_MESSAGE, |
1263 | 55cc0a44 | Michael Hanselmann | message=("No serial shell for instance %s" %
|
1264 | 55cc0a44 | Michael Hanselmann | instance.name)) |
1265 | eb58f9b1 | Guido Trotter | |
1266 | eb58f9b1 | Guido Trotter | def Verify(self): |
1267 | eb58f9b1 | Guido Trotter | """Verify the hypervisor.
|
1268 | eb58f9b1 | Guido Trotter |
|
1269 | eb58f9b1 | Guido Trotter | Check that the binary exists.
|
1270 | eb58f9b1 | Guido Trotter |
|
1271 | eb58f9b1 | Guido Trotter | """
|
1272 | eb58f9b1 | Guido Trotter | if not os.path.exists(constants.KVM_PATH): |
1273 | eb58f9b1 | Guido Trotter | return "The kvm binary ('%s') does not exist." % constants.KVM_PATH |
1274 | 14aa53cb | Guido Trotter | if not os.path.exists(constants.SOCAT_PATH): |
1275 | 14aa53cb | Guido Trotter | return "The socat binary ('%s') does not exist." % constants.SOCAT_PATH |
1276 | 14aa53cb | Guido Trotter | |
1277 | 6b5605e8 | Iustin Pop | @classmethod
|
1278 | 6b5605e8 | Iustin Pop | def CheckParameterSyntax(cls, hvparams): |
1279 | 6b5605e8 | Iustin Pop | """Check the given parameters for validity.
|
1280 | 6b5605e8 | Iustin Pop |
|
1281 | 6b5605e8 | Iustin Pop | @type hvparams: dict
|
1282 | 6b5605e8 | Iustin Pop | @param hvparams: dictionary with parameter names/value
|
1283 | 6b5605e8 | Iustin Pop | @raise errors.HypervisorError: when a parameter is not valid
|
1284 | 6b5605e8 | Iustin Pop |
|
1285 | 6b5605e8 | Iustin Pop | """
|
1286 | 47387b1e | Guido Trotter | super(KVMHypervisor, cls).CheckParameterSyntax(hvparams)
|
1287 | 6b5605e8 | Iustin Pop | |
1288 | df5ab9f0 | Guido Trotter | kernel_path = hvparams[constants.HV_KERNEL_PATH] |
1289 | df5ab9f0 | Guido Trotter | if kernel_path:
|
1290 | df5ab9f0 | Guido Trotter | if not hvparams[constants.HV_ROOT_PATH]: |
1291 | 205ab586 | Iustin Pop | raise errors.HypervisorError("Need a root partition for the instance," |
1292 | 205ab586 | Iustin Pop | " if a kernel is defined")
|
1293 | 6b5605e8 | Iustin Pop | |
1294 | 205ab586 | Iustin Pop | if (hvparams[constants.HV_VNC_X509_VERIFY] and |
1295 | 205ab586 | Iustin Pop | not hvparams[constants.HV_VNC_X509]):
|
1296 | 205ab586 | Iustin Pop | raise errors.HypervisorError("%s must be defined, if %s is" % |
1297 | 205ab586 | Iustin Pop | (constants.HV_VNC_X509, |
1298 | 205ab586 | Iustin Pop | constants.HV_VNC_X509_VERIFY)) |
1299 | 66d5dbef | Guido Trotter | |
1300 | 66d5dbef | Guido Trotter | boot_order = hvparams[constants.HV_BOOT_ORDER] |
1301 | 205ab586 | Iustin Pop | if (boot_order == constants.HT_BO_CDROM and |
1302 | 205ab586 | Iustin Pop | not hvparams[constants.HV_CDROM_IMAGE_PATH]):
|
1303 | 835528af | Iustin Pop | raise errors.HypervisorError("Cannot boot from cdrom without an" |
1304 | 835528af | Iustin Pop | " ISO path")
|
1305 | f5118ade | Iustin Pop | |
1306 | d19d94db | Guido Trotter | security_model = hvparams[constants.HV_SECURITY_MODEL] |
1307 | d19d94db | Guido Trotter | if security_model == constants.HT_SM_USER:
|
1308 | d19d94db | Guido Trotter | if not hvparams[constants.HV_SECURITY_DOMAIN]: |
1309 | d19d94db | Guido Trotter | raise errors.HypervisorError("A security domain (user to run kvm as)" |
1310 | d19d94db | Guido Trotter | " must be specified")
|
1311 | d19d94db | Guido Trotter | elif (security_model == constants.HT_SM_NONE or |
1312 | d19d94db | Guido Trotter | security_model == constants.HT_SM_POOL): |
1313 | d19d94db | Guido Trotter | if hvparams[constants.HV_SECURITY_DOMAIN]:
|
1314 | d19d94db | Guido Trotter | raise errors.HypervisorError("Cannot have a security domain when the" |
1315 | d19d94db | Guido Trotter | " security model is 'none' or 'pool'")
|
1316 | d19d94db | Guido Trotter | |
1317 | b1cb62bd | Andrea Spadaccini | spice_bind = hvparams[constants.HV_KVM_SPICE_BIND] |
1318 | b1cb62bd | Andrea Spadaccini | if spice_bind:
|
1319 | b1cb62bd | Andrea Spadaccini | spice_ip_version = hvparams[constants.HV_KVM_SPICE_IP_VERSION] |
1320 | b1cb62bd | Andrea Spadaccini | if spice_ip_version != constants.IFACE_NO_IP_VERSION_SPECIFIED:
|
1321 | b1cb62bd | Andrea Spadaccini | # if an IP version is specified, the spice_bind parameter must be an
|
1322 | b1cb62bd | Andrea Spadaccini | # IP of that family
|
1323 | b1cb62bd | Andrea Spadaccini | if (netutils.IP4Address.IsValid(spice_bind) and |
1324 | b1cb62bd | Andrea Spadaccini | spice_ip_version != constants.IP4_VERSION): |
1325 | b1cb62bd | Andrea Spadaccini | raise errors.HypervisorError("spice: got an IPv4 address (%s), but" |
1326 | b1cb62bd | Andrea Spadaccini | " the specified IP version is %s" %
|
1327 | b1cb62bd | Andrea Spadaccini | (spice_bind, spice_ip_version)) |
1328 | b1cb62bd | Andrea Spadaccini | |
1329 | b1cb62bd | Andrea Spadaccini | if (netutils.IP6Address.IsValid(spice_bind) and |
1330 | b1cb62bd | Andrea Spadaccini | spice_ip_version != constants.IP6_VERSION): |
1331 | b1cb62bd | Andrea Spadaccini | raise errors.HypervisorError("spice: got an IPv6 address (%s), but" |
1332 | b1cb62bd | Andrea Spadaccini | " the specified IP version is %s" %
|
1333 | b1cb62bd | Andrea Spadaccini | (spice_bind, spice_ip_version)) |
1334 | b1cb62bd | Andrea Spadaccini | |
1335 | d19d94db | Guido Trotter | @classmethod
|
1336 | d19d94db | Guido Trotter | def ValidateParameters(cls, hvparams): |
1337 | d19d94db | Guido Trotter | """Check the given parameters for validity.
|
1338 | d19d94db | Guido Trotter |
|
1339 | d19d94db | Guido Trotter | @type hvparams: dict
|
1340 | d19d94db | Guido Trotter | @param hvparams: dictionary with parameter names/value
|
1341 | d19d94db | Guido Trotter | @raise errors.HypervisorError: when a parameter is not valid
|
1342 | d19d94db | Guido Trotter |
|
1343 | d19d94db | Guido Trotter | """
|
1344 | d19d94db | Guido Trotter | super(KVMHypervisor, cls).ValidateParameters(hvparams)
|
1345 | d19d94db | Guido Trotter | |
1346 | d19d94db | Guido Trotter | security_model = hvparams[constants.HV_SECURITY_MODEL] |
1347 | d19d94db | Guido Trotter | if security_model == constants.HT_SM_USER:
|
1348 | d19d94db | Guido Trotter | username = hvparams[constants.HV_SECURITY_DOMAIN] |
1349 | d19d94db | Guido Trotter | try:
|
1350 | 1feb39ec | Guido Trotter | pwd.getpwnam(username) |
1351 | d19d94db | Guido Trotter | except KeyError: |
1352 | d19d94db | Guido Trotter | raise errors.HypervisorError("Unknown security domain user %s" |
1353 | d19d94db | Guido Trotter | % username) |
1354 | d19d94db | Guido Trotter | |
1355 | b1cb62bd | Andrea Spadaccini | spice_bind = hvparams[constants.HV_KVM_SPICE_BIND] |
1356 | b1cb62bd | Andrea Spadaccini | if spice_bind:
|
1357 | b1cb62bd | Andrea Spadaccini | # only one of VNC and SPICE can be used currently.
|
1358 | b1cb62bd | Andrea Spadaccini | if hvparams[constants.HV_VNC_BIND_ADDRESS]:
|
1359 | b1cb62bd | Andrea Spadaccini | raise errors.HypervisorError("both SPICE and VNC are configured, but" |
1360 | b1cb62bd | Andrea Spadaccini | " only one of them can be used at a"
|
1361 | b1cb62bd | Andrea Spadaccini | " given time.")
|
1362 | b1cb62bd | Andrea Spadaccini | |
1363 | b1cb62bd | Andrea Spadaccini | # KVM version should be >= 0.14.0
|
1364 | b1cb62bd | Andrea Spadaccini | _, v_major, v_min, _ = cls._GetKVMVersion() |
1365 | b1cb62bd | Andrea Spadaccini | if (v_major, v_min) < (0, 14): |
1366 | b1cb62bd | Andrea Spadaccini | raise errors.HypervisorError("spice is configured, but it is not" |
1367 | b1cb62bd | Andrea Spadaccini | " available in versions of KVM < 0.14")
|
1368 | b1cb62bd | Andrea Spadaccini | |
1369 | b1cb62bd | Andrea Spadaccini | # if spice_bind is not an IP address, it must be a valid interface
|
1370 | b1cb62bd | Andrea Spadaccini | bound_to_addr = (netutils.IP4Address.IsValid(spice_bind) |
1371 | b1cb62bd | Andrea Spadaccini | or netutils.IP6Address.IsValid(spice_bind))
|
1372 | b1cb62bd | Andrea Spadaccini | if not bound_to_addr and not netutils.IsValidInterface(spice_bind): |
1373 | b1cb62bd | Andrea Spadaccini | raise errors.HypervisorError("spice: the %s parameter must be either" |
1374 | b1cb62bd | Andrea Spadaccini | " a valid IP address or interface name" %
|
1375 | b1cb62bd | Andrea Spadaccini | constants.HV_KVM_SPICE_BIND) |
1376 | b1cb62bd | Andrea Spadaccini | |
1377 | f5118ade | Iustin Pop | @classmethod
|
1378 | f5118ade | Iustin Pop | def PowercycleNode(cls): |
1379 | f5118ade | Iustin Pop | """KVM powercycle, just a wrapper over Linux powercycle.
|
1380 | f5118ade | Iustin Pop |
|
1381 | f5118ade | Iustin Pop | """
|
1382 | f5118ade | Iustin Pop | cls.LinuxPowercycle() |