code.grnet.gr Git - ganeti-local/blob - lib/constants.py

   1 #
   2 #
   3
   4 # Copyright (C) 2006, 2007 Google Inc.
   5 #
   6 # This program is free software; you can redistribute it and/or modify
   7 # it under the terms of the GNU General Public License as published by
   8 # the Free Software Foundation; either version 2 of the License, or
   9 # (at your option) any later version.
  10 #
  11 # This program is distributed in the hope that it will be useful, but
  12 # WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14 # General Public License for more details.
  15 #
  16 # You should have received a copy of the GNU General Public License
  17 # along with this program; if not, write to the Free Software
  18 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  19 # 02110-1301, USA.
  20
  21
  22 """Module holding different constants."""
  23
  24 from ganeti import _autoconf
  25
  26 # various versions
  27 CONFIG_VERSION = 3
  28 PROTOCOL_VERSION = 13
  29 RELEASE_VERSION = _autoconf.PACKAGE_VERSION
  30 OS_API_VERSION = 5
  31 EXPORT_VERSION = 0
  32 RAPI_VERSION = 1
  33
  34
  35 # file paths
  36 DATA_DIR = _autoconf.LOCALSTATEDIR + "/lib/ganeti"
  37 RUN_DIR = _autoconf.LOCALSTATEDIR + "/run"
  38 RUN_GANETI_DIR = RUN_DIR + "/ganeti"
  39 BDEV_CACHE_DIR = RUN_GANETI_DIR # TODO(2.0): move deeper
  40 DISK_LINKS_DIR = RUN_GANETI_DIR + "/instance-disks"
  41 # keep RUN_GANETI_DIR first here, to make sure all get created when the node
  42 # daemon is started (this takes care of RUN_DIR being tmpfs)
  43 SUB_RUN_DIRS = [ RUN_GANETI_DIR, BDEV_CACHE_DIR, DISK_LINKS_DIR ]
  44 LOCK_DIR = _autoconf.LOCALSTATEDIR + "/lock"
  45 CLUSTER_CONF_FILE = DATA_DIR + "/config.data"
  46 SSL_CERT_FILE = DATA_DIR + "/server.pem"
  47 WATCHER_STATEFILE = DATA_DIR + "/watcher.data"
  48 SSH_KNOWN_HOSTS_FILE = DATA_DIR + "/known_hosts"
  49 ETC_HOSTS = "/etc/hosts"
  50
  51 NODE_INITD_SCRIPT = _autoconf.SYSCONFDIR + "/init.d/ganeti"
  52 DEFAULT_NODED_PORT = 1811
  53 FIRST_DRBD_PORT = 11000
  54 LAST_DRBD_PORT = 14999
  55 MASTER_SCRIPT = "ganeti-master"
  56
  57 LOG_DIR = _autoconf.LOCALSTATEDIR + "/log/ganeti"
  58 LOG_OS_DIR = LOG_DIR + "/os"
  59 LOG_NODESERVER = LOG_DIR + "/node-daemon.log"
  60 LOG_RAPISERVER = LOG_DIR + "/rapi-daemon.log"
  61 LOG_RAPIACCESS = LOG_DIR + "/rapi-access.log"
  62 LOG_WATCHER = LOG_DIR + "/watcher.log"
  63
  64 OS_SEARCH_PATH = _autoconf.OS_SEARCH_PATH
  65 EXPORT_DIR = _autoconf.EXPORT_DIR
  66
  67 EXPORT_CONF_FILE = "config.ini"
  68
  69 XEN_KERNEL = _autoconf.XEN_KERNEL
  70 XEN_INITRD = _autoconf.XEN_INITRD
  71
  72 VALUE_DEFAULT = "default"
  73 VALUE_NONE = "none"
  74
  75 # hooks-related constants
  76 HOOKS_BASE_DIR = _autoconf.SYSCONFDIR + "/ganeti/hooks"
  77 HOOKS_PHASE_PRE = "pre"
  78 HOOKS_PHASE_POST = "post"
  79 HOOKS_NAME_CFGUPDATE = "config-update"
  80 HOOKS_VERSION = 1
  81
  82 # hooks subject type (what object type does the LU deal with)
  83 HTYPE_CLUSTER = "CLUSTER"
  84 HTYPE_NODE = "NODE"
  85 HTYPE_INSTANCE = "INSTANCE"
  86
  87 HKR_SKIP = 0
  88 HKR_FAIL = 1
  89 HKR_SUCCESS = 2
  90
  91 # disk template types
  92 DT_DISKLESS = "diskless"
  93 DT_PLAIN = "plain"
  94 DT_LOCAL_RAID1 = "local_raid1"
  95 DT_REMOTE_RAID1 = "remote_raid1"
  96 DT_DRBD8 = "drbd"
  97
  98 # the set of network-mirrored disk templates
  99 DTS_NET_MIRROR = frozenset([DT_REMOTE_RAID1, DT_DRBD8])
 100
 101 # logical disk types
 102 LD_LV = "lvm"
 103 LD_MD_R1 = "md_raid1"
 104 LD_DRBD7 = "drbd"
 105 LD_DRBD8 = "drbd8"
 106
 107 # the set of drbd-like disk types
 108 LDS_DRBD = frozenset([LD_DRBD7, LD_DRBD8])
 109
 110 # disk replacement mode
 111 REPLACE_DISK_PRI = "replace_primary"
 112 REPLACE_DISK_SEC = "replace_secondary"
 113 REPLACE_DISK_ALL = "replace_all"
 114
 115 # instance creation modes
 116 INSTANCE_CREATE = "create"
 117 INSTANCE_IMPORT = "import"
 118
 119 DISK_TEMPLATES = frozenset([DT_DISKLESS, DT_PLAIN,
 120                             DT_LOCAL_RAID1, DT_REMOTE_RAID1,
 121                             DT_DRBD8])
 122
 123 # import/export config options
 124 INISECT_EXP = "export"
 125 INISECT_INS = "instance"
 126
 127 # common exit codes
 128 EXIT_SUCCESS = 0
 129 EXIT_FAILURE = 1
 130 EXIT_NOTMASTER = 11
 131 EXIT_NODESETUP_ERROR = 12
 132 EXIT_CONFIRMATION = 13 # need user confirmation
 133
 134 # tags
 135 TAG_CLUSTER = "cluster"
 136 TAG_NODE = "node"
 137 TAG_INSTANCE = "instance"
 138 MAX_TAG_LEN = 64
 139 MAX_TAGS_PER_OBJ = 48
 140
 141 # others
 142 DEFAULT_BRIDGE = "xen-br0"
 143 SYNC_SPEED = 30 * 1024
 144 LOCALHOST_IP_ADDRESS = "127.0.0.1"
 145 TCP_PING_TIMEOUT = 10
 146 GANETI_RUNAS = "root"
 147 BIND_ADDRESS_GLOBAL = "0.0.0.0"
 148
 149 # migration rpc steps
 150 (DRBD_RECONF_RPC_INIT,
 151  DRBD_RECONF_RPC_DISCONNECT,
 152  DRBD_RECONF_RPC_RECONNECT,
 153  DRBD_RECONF_RPC_SECONDARY,
 154  DRBD_RECONF_RPC_WFSYNC,
 155  ) = range(5)
 156
 157 # valid os status
 158 OS_VALID_STATUS = "VALID"
 159
 160 # ssh constants
 161 SSH_INITD_SCRIPT = _autoconf.SSH_INITD_SCRIPT
 162 SSH_CONFIG_DIR = "/etc/ssh/"
 163 SSH_HOST_DSA_PRIV = SSH_CONFIG_DIR + "ssh_host_dsa_key"
 164 SSH_HOST_DSA_PUB = SSH_HOST_DSA_PRIV + ".pub"
 165 SSH_HOST_RSA_PRIV = SSH_CONFIG_DIR + "ssh_host_rsa_key"
 166 SSH_HOST_RSA_PUB = SSH_HOST_RSA_PRIV + ".pub"
 167
 168 # reboot types
 169 INSTANCE_REBOOT_SOFT = "soft"
 170 INSTANCE_REBOOT_HARD = "hard"
 171 INSTANCE_REBOOT_FULL = "full"
 172
 173 # Hypervisor constants
 174 HT_XEN_PVM30 = "xen-3.0"
 175 HT_FAKE = "fake"
 176 HT_XEN_HVM31 = "xen-hvm-3.1"
 177 HYPER_TYPES = frozenset([HT_XEN_PVM30, HT_FAKE, HT_XEN_HVM31])
 178 HTS_REQ_PORT = frozenset([HT_XEN_HVM31])
 179
 180 HT_HVM_VNC_BASE_PORT = 5900
 181 HT_HVM_DEFAULT_BOOT_ORDER = 'dc'
 182 HT_HVM_DEFAULT_ACPI_MODE = '1'
 183 HT_HVM_DEFAULT_PAE_MODE = '1'
 184 VNC_PASSWORD_FILE = _autoconf.SYSCONFDIR + "/ganeti/vnc-cluster-password"
 185 VNC_DEFAULT_BIND_ADDRESS = '0.0.0.0'
 186
 187 # HVM NIC types
 188 HT_HVM_NIC_RTL8139 = "rtl8139"
 189 HT_HVM_NIC_NE2K_PCI = "ne2k_pci"
 190 HT_HVM_NIC_NE2K_ISA = "ne2k_isa"
 191 HT_HVM_DEV_PARAVIRTUAL = "paravirtual"
 192 HT_HVM_DEV_IOEMU = "ioemu"
 193 HT_HVM_VALID_NIC_TYPES = frozenset([HT_HVM_NIC_RTL8139, HT_HVM_NIC_NE2K_PCI,
 194                                     HT_HVM_NIC_NE2K_ISA,
 195                                     HT_HVM_DEV_PARAVIRTUAL])
 196 HT_HVM_VALID_DISK_TYPES = frozenset([HT_HVM_DEV_PARAVIRTUAL, HT_HVM_DEV_IOEMU])
 197
 198 # Cluster Verify steps
 199 VERIFY_NPLUSONE_MEM = 'nplusone_mem'
 200 VERIFY_OPTIONAL_CHECKS = frozenset([VERIFY_NPLUSONE_MEM])
 201
 202 # Allocator framework constants
 203 IALLOCATOR_DIR_IN = "in"
 204 IALLOCATOR_DIR_OUT = "out"
 205 IALLOCATOR_MODE_ALLOC = "allocate"
 206 IALLOCATOR_MODE_RELOC = "relocate"
 207 IALLOCATOR_SEARCH_PATH = _autoconf.IALLOCATOR_SEARCH_PATH
 208 IARUN_NOTFOUND = 1
 209 IARUN_FAILURE = 2
 210 IARUN_SUCCESS = 3
 211
 212 # Remote API constants
 213 RAPI_ENABLE = _autoconf.RAPI_ENABLE
 214 RAPI_PORT = 5080