4 # Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 Google Inc.
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.
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.
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
22 """Module holding different constants."""
27 from ganeti import _autoconf
28 from ganeti import _vcsversion
29 from ganeti import compat
30 from ganeti import pathutils
34 RELEASE_VERSION = _autoconf.PACKAGE_VERSION
38 OS_API_VERSIONS = compat.UniqueFrozenset([
43 VCS_VERSION = _vcsversion.VCS_VERSION
48 # Format for CONFIG_VERSION:
49 # 01 03 0123 = 01030123
51 # | | + Configuration version/revision
55 # It is stored as an integer. Make sure not to write an octal number.
57 # BuildVersion and SplitVersion must be in here because we can't import other
58 # modules. The cfgupgrade tool must be able to read and write version numbers
59 # and thus requires these functions. To avoid code duplication, they're kept in
62 def BuildVersion(major, minor, revision):
63 """Calculates int version number from major, minor and revision numbers.
65 Returns: int representing version number
68 assert isinstance(major, int)
69 assert isinstance(minor, int)
70 assert isinstance(revision, int)
71 return (1000000 * major +
76 def SplitVersion(version):
77 """Splits version number stored in an int.
79 Returns: tuple; (major, minor, revision)
82 assert isinstance(version, int)
84 (major, remainder) = divmod(version, 1000000)
85 (minor, revision) = divmod(remainder, 10000)
87 return (major, minor, revision)
90 CONFIG_MAJOR = int(_autoconf.VERSION_MAJOR)
91 CONFIG_MINOR = int(_autoconf.VERSION_MINOR)
93 CONFIG_VERSION = BuildVersion(CONFIG_MAJOR, CONFIG_MINOR, CONFIG_REVISION)
95 #: RPC protocol version
96 PROTOCOL_VERSION = BuildVersion(CONFIG_MAJOR, CONFIG_MINOR, 0)
99 DAEMONS_GROUP = _autoconf.DAEMONS_GROUP
100 ADMIN_GROUP = _autoconf.ADMIN_GROUP
101 MASTERD_USER = _autoconf.MASTERD_USER
102 MASTERD_GROUP = _autoconf.MASTERD_GROUP
103 RAPI_USER = _autoconf.RAPI_USER
104 RAPI_GROUP = _autoconf.RAPI_GROUP
105 CONFD_USER = _autoconf.CONFD_USER
106 CONFD_GROUP = _autoconf.CONFD_GROUP
107 NODED_USER = _autoconf.NODED_USER
108 NODED_GROUP = _autoconf.NODED_GROUP
109 MOND_USER = _autoconf.MOND_USER
110 MOND_GROUP = _autoconf.MOND_GROUP
111 SSH_LOGIN_USER = _autoconf.SSH_LOGIN_USER
112 SSH_CONSOLE_USER = _autoconf.SSH_CONSOLE_USER
114 # cpu pinning separators and constants
115 CPU_PINNING_SEP = ":"
116 CPU_PINNING_ALL = "all"
117 # internal representation of "all"
118 CPU_PINNING_ALL_VAL = -1
119 # one "all" entry in a CPU list means CPU pinning is off
120 CPU_PINNING_OFF = [CPU_PINNING_ALL_VAL]
122 # A Xen-specific implementation detail - there is no way to actually say
123 # "use any cpu for pinning" in a Xen configuration file, as opposed to the
124 # command line, where you can say "xm vcpu-pin <domain> <vcpu> all".
125 # The workaround used in Xen is "0-63" (see source code function
126 # xm_vcpu_pin in <xen-source>/tools/python/xen/xm/main.py).
127 # To support future changes, the following constant is treated as a
128 # blackbox string that simply means use-any-cpu-for-pinning-under-xen.
129 CPU_PINNING_ALL_XEN = "0-63"
131 # A KVM-specific implementation detail - the following value is used
132 # to set CPU affinity to all processors (#0 through #31), per taskset
134 # FIXME: This only works for machines with up to 32 CPU cores
135 CPU_PINNING_ALL_KVM = 0xFFFFFFFF
139 MAX_WIPE_CHUNK = 1024 # 1GB
140 MIN_WIPE_CHUNK_PERCENT = 10
143 SECURE_DIR_MODE = 0700
144 SECURE_FILE_MODE = 0600
145 ADOPTABLE_BLOCKDEV_ROOT = "/dev/disk/"
146 ENABLE_FILE_STORAGE = _autoconf.ENABLE_FILE_STORAGE
147 ENABLE_SHARED_FILE_STORAGE = _autoconf.ENABLE_SHARED_FILE_STORAGE
148 ENABLE_CONFD = _autoconf.ENABLE_CONFD
149 ENABLE_SPLIT_QUERY = _autoconf.ENABLE_SPLIT_QUERY
150 ENABLE_RESTRICTED_COMMANDS = _autoconf.ENABLE_RESTRICTED_COMMANDS
156 NODED = "ganeti-noded"
157 CONFD = "ganeti-confd"
159 MASTERD = "ganeti-masterd"
162 DAEMONS = compat.UniqueFrozenset([
171 # daemon-name: ("proto", "default-port")
172 NODED: ("tcp", 1811),
173 CONFD: ("udp", 1814),
179 DEFAULT_NODED_PORT = DAEMONS_PORTS[NODED][1]
180 DEFAULT_CONFD_PORT = DAEMONS_PORTS[CONFD][1]
181 DEFAULT_MOND_PORT = DAEMONS_PORTS[MOND][1]
182 DEFAULT_RAPI_PORT = DAEMONS_PORTS[RAPI][1]
184 FIRST_DRBD_PORT = 11000
185 LAST_DRBD_PORT = 14999
188 NODED: "node-daemon",
189 CONFD: "conf-daemon",
191 MASTERD: "master-daemon",
192 MOND: "monitoring-daemon",
196 dict((daemon, pathutils.GetLogFilename(DAEMONS_LOGBASE[daemon]))
197 for daemon in DAEMONS_LOGBASE)
199 # Some daemons might require more than one logfile.
200 # Specifically, right now only the Haskell http library "snap", used by the
201 # monitoring daemon, requires multiple log files.
203 # These are the only valid reasons for having an extra logfile
204 EXTRA_LOGREASON_ACCESS = "access"
205 EXTRA_LOGREASON_ERROR = "error"
207 VALID_EXTRA_LOGREASONS = compat.UniqueFrozenset([
208 EXTRA_LOGREASON_ACCESS,
209 EXTRA_LOGREASON_ERROR,
212 # These are the extra logfiles, grouped by daemon
213 DAEMONS_EXTRA_LOGBASE = {
215 EXTRA_LOGREASON_ACCESS: "monitoring-daemon-access",
216 EXTRA_LOGREASON_ERROR: "monitoring-daemon-error",
220 DAEMONS_EXTRA_LOGFILES = \
221 dict((daemon, dict((extra,
222 pathutils.GetLogFilename(DAEMONS_EXTRA_LOGBASE[daemon][extra]))
223 for extra in DAEMONS_EXTRA_LOGBASE[daemon]))
224 for daemon in DAEMONS_EXTRA_LOGBASE)
226 DEV_CONSOLE = "/dev/console"
228 PROC_MOUNTS = "/proc/mounts"
230 # Local UniX Interface related constants
232 LUXI_VERSION = CONFIG_VERSION
233 #: Environment variable for the luxi override socket
234 LUXI_OVERRIDE = "FORCE_LUXI_SOCKET"
235 LUXI_OVERRIDE_MASTER = "master"
236 LUXI_OVERRIDE_QUERY = "query"
238 # one of "no", "yes", "only"
239 SYSLOG_USAGE = _autoconf.SYSLOG_USAGE
243 SYSLOG_SOCKET = "/dev/log"
245 EXPORT_CONF_FILE = "config.ini"
247 XEN_BOOTLOADER = _autoconf.XEN_BOOTLOADER
248 XEN_KERNEL = _autoconf.XEN_KERNEL
249 XEN_INITRD = _autoconf.XEN_INITRD
252 # FIXME: This will be made configurable using hvparams in Ganeti 2.7
253 XEN_CMD = _autoconf.XEN_CMD
255 KNOWN_XEN_COMMANDS = compat.UniqueFrozenset([
260 # When the Xen toolstack used is "xl", live migration requires the source host
261 # to connect to the target host via ssh (xl runs this command). We need to pass
262 # the command xl runs some extra info so that it can use Ganeti's key
263 # verification and not fail. Note that this string is incomplete: it must be
264 # filled with the cluster name before being used.
265 XL_SSH_CMD = ("ssh -l %s -oGlobalKnownHostsFile=%s"
266 " -oUserKnownHostsFile=/dev/null"
267 " -oCheckHostIp=no -oStrictHostKeyChecking=yes"
268 " -oHostKeyAlias=%%s") % (SSH_LOGIN_USER,
269 pathutils.SSH_KNOWN_HOSTS_FILE)
271 KVM_PATH = _autoconf.KVM_PATH
272 KVM_KERNEL = _autoconf.KVM_KERNEL
273 SOCAT_PATH = _autoconf.SOCAT_PATH
274 SOCAT_USE_ESCAPE = _autoconf.SOCAT_USE_ESCAPE
275 SOCAT_USE_COMPRESS = _autoconf.SOCAT_USE_COMPRESS
276 SOCAT_ESCAPE_CODE = "0x1d"
278 #: Console as SSH command
281 #: Console as VNC server
284 #: Console as SPICE server
287 #: Display a message for console access
291 CONS_ALL = compat.UniqueFrozenset([
298 # For RSA keys more bits are better, but they also make operations more
299 # expensive. NIST SP 800-131 recommends a minimum of 2048 bits from the year
303 # Ciphers allowed for SSL connections. For the format, see ciphers(1). A better
304 # way to disable ciphers would be to use the exclamation mark (!), but socat
305 # versions below 1.5 can't parse exclamation marks in options properly. When
306 # modifying the ciphers, ensure not to accidentially add something after it's
307 # been removed. Use the "openssl" utility to check the allowed ciphers, e.g.
308 # "openssl ciphers -v HIGH:-DES".
309 OPENSSL_CIPHERS = "HIGH:-DES:-3DES:-EXPORT:-ADH"
311 # Digest used to sign certificates ("openssl x509" uses SHA1 by default)
312 X509_CERT_SIGN_DIGEST = "SHA1"
314 # Default validity of certificates in days
315 X509_CERT_DEFAULT_VALIDITY = 365 * 5
317 # commonName (CN) used in certificates
318 X509_CERT_CN = "ganeti.example.com"
320 X509_CERT_SIGNATURE_HEADER = "X-Ganeti-Signature"
322 # Import/export daemon mode
323 IEM_IMPORT = "import"
324 IEM_EXPORT = "export"
326 # Import/export transport compression
329 IEC_ALL = compat.UniqueFrozenset([
334 IE_CUSTOM_SIZE = "fd"
336 IE_MAGIC_RE = re.compile(r"^[-_.a-zA-Z0-9]{5,100}$")
339 # Direct file I/O, equivalent to a shell's I/O redirection using '<' or '>'
341 # Raw block device I/O using "dd"
342 IEIO_RAW_DISK = "raw"
343 # OS definition import/export script
344 IEIO_SCRIPT = "script"
346 VALUE_DEFAULT = "default"
348 VALUE_GENERATE = "generate"
351 VALUE_FALSE = "false"
353 # External script validation mask
354 EXT_PLUGIN_MASK = re.compile("^[a-zA-Z0-9_-]+$")
356 # hooks-related constants
357 HOOKS_PHASE_PRE = "pre"
358 HOOKS_PHASE_POST = "post"
359 HOOKS_NAME_CFGUPDATE = "config-update"
360 HOOKS_NAME_WATCHER = "watcher"
362 HOOKS_PATH = "/sbin:/bin:/usr/sbin:/usr/bin"
364 # hooks subject type (what object type does the LU deal with)
365 HTYPE_CLUSTER = "CLUSTER"
367 HTYPE_GROUP = "GROUP"
368 HTYPE_INSTANCE = "INSTANCE"
369 HTYPE_NETWORK = "NETWORK"
376 ST_BLOCK = "blockdev"
377 ST_DISKLESS = "diskless"
383 ST_SHARED_FILE = "sharedfile"
385 VALID_STORAGE_TYPES = compat.UniqueFrozenset([
396 # Per default, only lvm is enabled.
397 DEFAULT_ENABLED_STORAGE_TYPES = compat.UniqueFrozenset([
401 # This is used to order determine the default storage type when the list
402 # of enabled storage types is inferred from the current state of the cluster.
403 # This only happens on an upgrade from a version of Ganeti that did not
404 # support the 'enabled_storage_methods' so far.
405 STORAGE_TYPES_PREFERENCE = [
414 # first two are valid in LU context only, not passed to backend
417 # and the rest are valid in backend
422 SF_ALLOCATABLE = "allocatable"
425 SO_FIX_CONSISTENCY = "fix-consistency"
427 # Available fields per storage type
428 VALID_STORAGE_FIELDS = compat.UniqueFrozenset([
437 MODIFIABLE_STORAGE_FIELDS = {
438 ST_LVM_PV: frozenset([SF_ALLOCATABLE]),
441 VALID_STORAGE_OPERATIONS = {
442 ST_LVM_VG: frozenset([SO_FIX_CONSISTENCY]),
446 # Note: Code depends on LDS_OKAY < LDS_UNKNOWN < LDS_FAULTY
449 LDS_FAULTY) = range(1, 4)
451 # disk template types
452 DT_BLOCK = "blockdev"
453 DT_DISKLESS = "diskless"
459 DT_SHARED_FILE = "sharedfile"
461 # mapping of disk templates to storage types
462 DISK_TEMPLATES_STORAGE_TYPE = {
464 DT_DISKLESS: ST_DISKLESS,
470 DT_SHARED_FILE: ST_SHARED_FILE,
473 # the set of network-mirrored disk templates
474 DTS_INT_MIRROR = compat.UniqueFrozenset([DT_DRBD8])
476 # the set of externally-mirrored disk templates (e.g. SAN, NAS)
477 DTS_EXT_MIRROR = compat.UniqueFrozenset([
478 DT_DISKLESS, # 'trivially' externally mirrored
485 # the set of non-lvm-based disk templates
486 DTS_NOT_LVM = compat.UniqueFrozenset([
495 # the set of disk templates which can be grown
496 DTS_GROWABLE = compat.UniqueFrozenset([
505 # the set of disk templates that allow adoption
506 DTS_MAY_ADOPT = compat.UniqueFrozenset([
511 # the set of disk templates that *must* use adoption
512 DTS_MUST_ADOPT = compat.UniqueFrozenset([DT_BLOCK])
514 # the set of disk templates that allow migrations
515 DTS_MIRRORED = frozenset.union(DTS_INT_MIRROR, DTS_EXT_MIRROR)
517 # the set of file based disk templates
518 DTS_FILEBASED = compat.UniqueFrozenset([
523 # the set of disk templates that are supported by exclusive_storage
524 DTS_EXCL_STORAGE = compat.UniqueFrozenset([DT_PLAIN])
526 # templates for which we don't perform checks on free space
527 DTS_NO_FREE_SPACE_CHECK = compat.UniqueFrozenset([
538 LD_BLOCKDEV = "blockdev"
541 LOGICAL_DISK_TYPES = compat.UniqueFrozenset([
550 LDS_BLOCK = compat.UniqueFrozenset([
559 DRBD_HMAC_ALG = "md5"
560 DRBD_NET_PROTOCOL = "C"
561 DRBD_STATUS_FILE = "/proc/drbd"
563 #: Size of DRBD meta block device
568 DRBD_B_DISK_BARRIERS = "b"
569 DRBD_B_DISK_DRAIN = "d"
570 DRBD_B_DISK_FLUSH = "f"
572 # Valid barrier combinations: "n" or any non-null subset of "bfd"
573 DRBD_VALID_BARRIER_OPT = compat.UniqueFrozenset([
574 frozenset([DRBD_B_NONE]),
575 frozenset([DRBD_B_DISK_BARRIERS]),
576 frozenset([DRBD_B_DISK_DRAIN]),
577 frozenset([DRBD_B_DISK_FLUSH]),
578 frozenset([DRBD_B_DISK_DRAIN, DRBD_B_DISK_FLUSH]),
579 frozenset([DRBD_B_DISK_BARRIERS, DRBD_B_DISK_DRAIN]),
580 frozenset([DRBD_B_DISK_BARRIERS, DRBD_B_DISK_FLUSH]),
581 frozenset([DRBD_B_DISK_BARRIERS, DRBD_B_DISK_FLUSH, DRBD_B_DISK_DRAIN]),
587 # file backend driver
591 # the set of drbd-like disk types
592 LDS_DRBD = compat.UniqueFrozenset([LD_DRBD8])
597 DISK_ACCESS_SET = compat.UniqueFrozenset([DISK_RDONLY, DISK_RDWR])
599 # disk replacement mode
600 REPLACE_DISK_PRI = "replace_on_primary" # replace disks on primary
601 REPLACE_DISK_SEC = "replace_on_secondary" # replace disks on secondary
602 REPLACE_DISK_CHG = "replace_new_secondary" # change secondary node
603 REPLACE_DISK_AUTO = "replace_auto"
604 REPLACE_MODES = compat.UniqueFrozenset([
611 # Instance export mode
612 EXPORT_MODE_LOCAL = "local"
613 EXPORT_MODE_REMOTE = "remote"
614 EXPORT_MODES = compat.UniqueFrozenset([
619 # instance creation modes
620 INSTANCE_CREATE = "create"
621 INSTANCE_IMPORT = "import"
622 INSTANCE_REMOTE_IMPORT = "remote-import"
623 INSTANCE_CREATE_MODES = compat.UniqueFrozenset([
626 INSTANCE_REMOTE_IMPORT,
629 # Remote import/export handshake message and version
631 RIE_HANDSHAKE = "Hi, I'm Ganeti"
633 # Remote import/export certificate validity in seconds
634 RIE_CERT_VALIDITY = 24 * 60 * 60
636 # Overall timeout for establishing connection
637 RIE_CONNECT_TIMEOUT = 180
639 # Export only: how long to wait per connection attempt (seconds)
640 RIE_CONNECT_ATTEMPT_TIMEOUT = 20
642 # Export only: number of attempts to connect
643 RIE_CONNECT_RETRIES = 10
645 #: Give child process up to 5 seconds to exit after sending a signal
646 CHILD_LINGER_TIMEOUT = 5.0
648 DISK_TEMPLATES = compat.UniqueFrozenset([
659 FILE_DRIVER = compat.UniqueFrozenset([FD_LOOP, FD_BLKTAP])
661 # import/export config options
662 INISECT_EXP = "export"
663 INISECT_INS = "instance"
664 INISECT_HYP = "hypervisor"
665 INISECT_BEP = "backend"
668 # dynamic device modification
670 DDM_MODIFY = "modify"
671 DDM_REMOVE = "remove"
672 DDMS_VALUES = compat.UniqueFrozenset([DDM_ADD, DDM_REMOVE])
673 DDMS_VALUES_WITH_MODIFY = (DDMS_VALUES | frozenset([
676 # TODO: DDM_SWAP, DDM_MOVE?
683 EXIT_NODESETUP_ERROR = 12
684 EXIT_CONFIRMATION = 13 # need user confirmation
686 #: Exit code for query operations with unknown fields
687 EXIT_UNKNOWN_FIELD = 14
690 TAG_CLUSTER = "cluster"
691 TAG_NODEGROUP = "nodegroup"
693 TAG_INSTANCE = "instance"
694 TAG_NETWORK = "network"
695 VALID_TAG_TYPES = compat.UniqueFrozenset([
703 MAX_TAGS_PER_OBJ = 4096
706 DEFAULT_BRIDGE = "xen-br0"
707 CLASSIC_DRBD_SYNC_SPEED = 60 * 1024 # 60 MiB, expressed in KiB
708 IP4_ADDRESS_LOCALHOST = "127.0.0.1"
709 IP4_ADDRESS_ANY = "0.0.0.0"
710 IP6_ADDRESS_LOCALHOST = "::1"
711 IP6_ADDRESS_ANY = "::"
714 VALID_IP_VERSIONS = compat.UniqueFrozenset([IP4_VERSION, IP6_VERSION])
715 # for export to htools
716 IP4_FAMILY = socket.AF_INET
717 IP6_FAMILY = socket.AF_INET6
719 TCP_PING_TIMEOUT = 10
721 DEFAULT_DRBD_HELPER = "/bin/true"
723 DEFAULT_MAC_PREFIX = "aa:00:00"
724 # default maximum instance wait time, in seconds.
725 DEFAULT_SHUTDOWN_TIMEOUT = 120
726 NODE_MAX_CLOCK_SKEW = 150
727 # Time for an intra-cluster disk transfer to wait for a connection
728 DISK_TRANSFER_CONNECT_TIMEOUT = 60
729 # Disk index separator
730 DISK_SEPARATOR = _autoconf.DISK_SEPARATOR
731 IP_COMMAND_PATH = _autoconf.IP_PATH
733 #: Key for job IDs in opcode result
739 RUNPARTS_ERR) = range(3)
741 RUNPARTS_STATUS = compat.UniqueFrozenset([
749 RPC_ENCODING_ZLIB_BASE64) = range(2)
751 # Various time constants for the timeout table
752 RPC_TMO_URGENT = 60 # one minute
753 RPC_TMO_FAST = 5 * 60 # five minutes
754 RPC_TMO_NORMAL = 15 * 60 # 15 minutes
755 RPC_TMO_SLOW = 3600 # one hour
756 RPC_TMO_4HRS = 4 * 3600
759 # Timeout for connecting to nodes (seconds)
760 RPC_CONNECT_TIMEOUT = 5
762 # os related constants
763 OS_SCRIPT_CREATE = "create"
764 OS_SCRIPT_IMPORT = "import"
765 OS_SCRIPT_EXPORT = "export"
766 OS_SCRIPT_RENAME = "rename"
767 OS_SCRIPT_VERIFY = "verify"
768 OS_SCRIPTS = compat.UniqueFrozenset([
776 OS_API_FILE = "ganeti_api_version"
777 OS_VARIANTS_FILE = "variants.list"
778 OS_PARAMETERS_FILE = "parameters.list"
780 OS_VALIDATE_PARAMETERS = "parameters"
781 OS_VALIDATE_CALLS = compat.UniqueFrozenset([OS_VALIDATE_PARAMETERS])
783 # External Storage (ES) related constants
784 ES_ACTION_CREATE = "create"
785 ES_ACTION_REMOVE = "remove"
786 ES_ACTION_GROW = "grow"
787 ES_ACTION_ATTACH = "attach"
788 ES_ACTION_DETACH = "detach"
789 ES_ACTION_SETINFO = "setinfo"
790 ES_ACTION_VERIFY = "verify"
792 ES_SCRIPT_CREATE = ES_ACTION_CREATE
793 ES_SCRIPT_REMOVE = ES_ACTION_REMOVE
794 ES_SCRIPT_GROW = ES_ACTION_GROW
795 ES_SCRIPT_ATTACH = ES_ACTION_ATTACH
796 ES_SCRIPT_DETACH = ES_ACTION_DETACH
797 ES_SCRIPT_SETINFO = ES_ACTION_SETINFO
798 ES_SCRIPT_VERIFY = ES_ACTION_VERIFY
799 ES_SCRIPTS = frozenset([
809 ES_PARAMETERS_FILE = "parameters.list"
812 INSTANCE_REBOOT_SOFT = "soft"
813 INSTANCE_REBOOT_HARD = "hard"
814 INSTANCE_REBOOT_FULL = "full"
816 REBOOT_TYPES = compat.UniqueFrozenset([
817 INSTANCE_REBOOT_SOFT,
818 INSTANCE_REBOOT_HARD,
819 INSTANCE_REBOOT_FULL,
822 # instance reboot behaviors
823 INSTANCE_REBOOT_ALLOWED = "reboot"
824 INSTANCE_REBOOT_EXIT = "exit"
826 REBOOT_BEHAVIORS = compat.UniqueFrozenset([
827 INSTANCE_REBOOT_ALLOWED,
828 INSTANCE_REBOOT_EXIT,
831 VTYPE_STRING = "string"
832 VTYPE_MAYBE_STRING = "maybe-string"
834 VTYPE_SIZE = "size" # size, in MiBs
836 ENFORCEABLE_TYPES = compat.UniqueFrozenset([
844 # Constant representing that the user does not specify any IP version
845 IFACE_NO_IP_VERSION_SPECIFIED = 0
847 VALID_SERIAL_SPEEDS = compat.UniqueFrozenset([
868 # HV parameter names (global namespace)
869 HV_BOOT_ORDER = "boot_order"
870 HV_CDROM_IMAGE_PATH = "cdrom_image_path"
871 HV_KVM_CDROM2_IMAGE_PATH = "cdrom2_image_path"
872 HV_KVM_FLOPPY_IMAGE_PATH = "floppy_image_path"
873 HV_NIC_TYPE = "nic_type"
874 HV_DISK_TYPE = "disk_type"
875 HV_KVM_CDROM_DISK_TYPE = "cdrom_disk_type"
876 HV_VNC_BIND_ADDRESS = "vnc_bind_address"
877 HV_VNC_PASSWORD_FILE = "vnc_password_file"
878 HV_VNC_TLS = "vnc_tls"
879 HV_VNC_X509 = "vnc_x509_path"
880 HV_VNC_X509_VERIFY = "vnc_x509_verify"
881 HV_KVM_SPICE_BIND = "spice_bind"
882 HV_KVM_SPICE_IP_VERSION = "spice_ip_version"
883 HV_KVM_SPICE_PASSWORD_FILE = "spice_password_file"
884 HV_KVM_SPICE_LOSSLESS_IMG_COMPR = "spice_image_compression"
885 HV_KVM_SPICE_JPEG_IMG_COMPR = "spice_jpeg_wan_compression"
886 HV_KVM_SPICE_ZLIB_GLZ_IMG_COMPR = "spice_zlib_glz_wan_compression"
887 HV_KVM_SPICE_STREAMING_VIDEO_DETECTION = "spice_streaming_video"
888 HV_KVM_SPICE_AUDIO_COMPR = "spice_playback_compression"
889 HV_KVM_SPICE_USE_TLS = "spice_use_tls"
890 HV_KVM_SPICE_TLS_CIPHERS = "spice_tls_ciphers"
891 HV_KVM_SPICE_USE_VDAGENT = "spice_use_vdagent"
894 HV_USE_BOOTLOADER = "use_bootloader"
895 HV_BOOTLOADER_ARGS = "bootloader_args"
896 HV_BOOTLOADER_PATH = "bootloader_path"
897 HV_KERNEL_ARGS = "kernel_args"
898 HV_KERNEL_PATH = "kernel_path"
899 HV_INITRD_PATH = "initrd_path"
900 HV_ROOT_PATH = "root_path"
901 HV_SERIAL_CONSOLE = "serial_console"
902 HV_SERIAL_SPEED = "serial_speed"
903 HV_USB_MOUSE = "usb_mouse"
905 HV_DEVICE_MODEL = "device_model"
906 HV_INIT_SCRIPT = "init_script"
907 HV_MIGRATION_PORT = "migration_port"
908 HV_MIGRATION_BANDWIDTH = "migration_bandwidth"
909 HV_MIGRATION_DOWNTIME = "migration_downtime"
910 HV_MIGRATION_MODE = "migration_mode"
911 HV_USE_LOCALTIME = "use_localtime"
912 HV_DISK_CACHE = "disk_cache"
913 HV_SECURITY_MODEL = "security_model"
914 HV_SECURITY_DOMAIN = "security_domain"
915 HV_KVM_FLAG = "kvm_flag"
916 HV_VHOST_NET = "vhost_net"
917 HV_KVM_USE_CHROOT = "use_chroot"
918 HV_CPU_MASK = "cpu_mask"
919 HV_MEM_PATH = "mem_path"
920 HV_PASSTHROUGH = "pci_pass"
921 HV_BLOCKDEV_PREFIX = "blockdev_prefix"
922 HV_REBOOT_BEHAVIOR = "reboot_behavior"
923 HV_CPU_TYPE = "cpu_type"
924 HV_CPU_CAP = "cpu_cap"
925 HV_CPU_WEIGHT = "cpu_weight"
926 HV_CPU_CORES = "cpu_cores"
927 HV_CPU_THREADS = "cpu_threads"
928 HV_CPU_SOCKETS = "cpu_sockets"
929 HV_SOUNDHW = "soundhw"
930 HV_USB_DEVICES = "usb_devices"
932 HV_KVM_EXTRA = "kvm_extra"
933 HV_KVM_MACHINE_VERSION = "machine_version"
934 HV_KVM_PATH = "kvm_path"
937 HVS_PARAMETER_TYPES = {
938 HV_KVM_PATH: VTYPE_STRING,
939 HV_BOOT_ORDER: VTYPE_STRING,
940 HV_KVM_FLOPPY_IMAGE_PATH: VTYPE_STRING,
941 HV_CDROM_IMAGE_PATH: VTYPE_STRING,
942 HV_KVM_CDROM2_IMAGE_PATH: VTYPE_STRING,
943 HV_NIC_TYPE: VTYPE_STRING,
944 HV_DISK_TYPE: VTYPE_STRING,
945 HV_KVM_CDROM_DISK_TYPE: VTYPE_STRING,
946 HV_VNC_PASSWORD_FILE: VTYPE_STRING,
947 HV_VNC_BIND_ADDRESS: VTYPE_STRING,
948 HV_VNC_TLS: VTYPE_BOOL,
949 HV_VNC_X509: VTYPE_STRING,
950 HV_VNC_X509_VERIFY: VTYPE_BOOL,
951 HV_KVM_SPICE_BIND: VTYPE_STRING,
952 HV_KVM_SPICE_IP_VERSION: VTYPE_INT,
953 HV_KVM_SPICE_PASSWORD_FILE: VTYPE_STRING,
954 HV_KVM_SPICE_LOSSLESS_IMG_COMPR: VTYPE_STRING,
955 HV_KVM_SPICE_JPEG_IMG_COMPR: VTYPE_STRING,
956 HV_KVM_SPICE_ZLIB_GLZ_IMG_COMPR: VTYPE_STRING,
957 HV_KVM_SPICE_STREAMING_VIDEO_DETECTION: VTYPE_STRING,
958 HV_KVM_SPICE_AUDIO_COMPR: VTYPE_BOOL,
959 HV_KVM_SPICE_USE_TLS: VTYPE_BOOL,
960 HV_KVM_SPICE_TLS_CIPHERS: VTYPE_STRING,
961 HV_KVM_SPICE_USE_VDAGENT: VTYPE_BOOL,
964 HV_USE_BOOTLOADER: VTYPE_BOOL,
965 HV_BOOTLOADER_PATH: VTYPE_STRING,
966 HV_BOOTLOADER_ARGS: VTYPE_STRING,
967 HV_KERNEL_PATH: VTYPE_STRING,
968 HV_KERNEL_ARGS: VTYPE_STRING,
969 HV_INITRD_PATH: VTYPE_STRING,
970 HV_ROOT_PATH: VTYPE_MAYBE_STRING,
971 HV_SERIAL_CONSOLE: VTYPE_BOOL,
972 HV_SERIAL_SPEED: VTYPE_INT,
973 HV_USB_MOUSE: VTYPE_STRING,
974 HV_KEYMAP: VTYPE_STRING,
975 HV_DEVICE_MODEL: VTYPE_STRING,
976 HV_INIT_SCRIPT: VTYPE_STRING,
977 HV_MIGRATION_PORT: VTYPE_INT,
978 HV_MIGRATION_BANDWIDTH: VTYPE_INT,
979 HV_MIGRATION_DOWNTIME: VTYPE_INT,
980 HV_MIGRATION_MODE: VTYPE_STRING,
981 HV_USE_LOCALTIME: VTYPE_BOOL,
982 HV_DISK_CACHE: VTYPE_STRING,
983 HV_SECURITY_MODEL: VTYPE_STRING,
984 HV_SECURITY_DOMAIN: VTYPE_STRING,
985 HV_KVM_FLAG: VTYPE_STRING,
986 HV_VHOST_NET: VTYPE_BOOL,
987 HV_KVM_USE_CHROOT: VTYPE_BOOL,
988 HV_CPU_MASK: VTYPE_STRING,
989 HV_MEM_PATH: VTYPE_STRING,
990 HV_PASSTHROUGH: VTYPE_STRING,
991 HV_BLOCKDEV_PREFIX: VTYPE_STRING,
992 HV_REBOOT_BEHAVIOR: VTYPE_STRING,
993 HV_CPU_TYPE: VTYPE_STRING,
994 HV_CPU_CAP: VTYPE_INT,
995 HV_CPU_WEIGHT: VTYPE_INT,
996 HV_CPU_CORES: VTYPE_INT,
997 HV_CPU_THREADS: VTYPE_INT,
998 HV_CPU_SOCKETS: VTYPE_INT,
999 HV_SOUNDHW: VTYPE_STRING,
1000 HV_USB_DEVICES: VTYPE_STRING,
1001 HV_VGA: VTYPE_STRING,
1002 HV_KVM_EXTRA: VTYPE_STRING,
1003 HV_KVM_MACHINE_VERSION: VTYPE_STRING,
1006 HVS_PARAMETERS = frozenset(HVS_PARAMETER_TYPES.keys())
1008 HVS_PARAMETER_TITLES = {
1010 HV_BOOT_ORDER: "Boot_order",
1011 HV_CDROM_IMAGE_PATH: "CDROM_image_path",
1012 HV_DISK_TYPE: "Disk_type",
1013 HV_INITRD_PATH: "Initrd_path",
1014 HV_KERNEL_PATH: "Kernel_path",
1015 HV_NIC_TYPE: "NIC_type",
1017 HV_VNC_BIND_ADDRESS: "VNC_bind_address",
1018 HV_PASSTHROUGH: "pci_pass",
1019 HV_CPU_TYPE: "cpu_type",
1022 # Migration statuses
1023 HV_MIGRATION_COMPLETED = "completed"
1024 HV_MIGRATION_ACTIVE = "active"
1025 HV_MIGRATION_FAILED = "failed"
1026 HV_MIGRATION_CANCELLED = "cancelled"
1028 HV_MIGRATION_VALID_STATUSES = compat.UniqueFrozenset([
1029 HV_MIGRATION_COMPLETED,
1030 HV_MIGRATION_ACTIVE,
1031 HV_MIGRATION_FAILED,
1032 HV_MIGRATION_CANCELLED,
1035 HV_MIGRATION_FAILED_STATUSES = compat.UniqueFrozenset([
1036 HV_MIGRATION_FAILED,
1037 HV_MIGRATION_CANCELLED,
1040 # KVM-specific statuses
1041 HV_KVM_MIGRATION_VALID_STATUSES = HV_MIGRATION_VALID_STATUSES
1044 HV_NODEINFO_KEY_VERSION = "hv_version"
1047 HVST_MEMORY_TOTAL = "mem_total"
1048 HVST_MEMORY_NODE = "mem_node"
1049 HVST_MEMORY_HV = "mem_hv"
1050 HVST_CPU_TOTAL = "cpu_total"
1051 HVST_CPU_NODE = "cpu_node"
1054 HVST_MEMORY_TOTAL: 0,
1055 HVST_MEMORY_NODE: 0,
1061 HVSTS_PARAMETER_TYPES = {
1062 HVST_MEMORY_TOTAL: VTYPE_INT,
1063 HVST_MEMORY_NODE: VTYPE_INT,
1064 HVST_MEMORY_HV: VTYPE_INT,
1065 HVST_CPU_TOTAL: VTYPE_INT,
1066 HVST_CPU_NODE: VTYPE_INT,
1069 HVSTS_PARAMETERS = frozenset(HVSTS_PARAMETER_TYPES.keys())
1072 DS_DISK_TOTAL = "disk_total"
1073 DS_DISK_RESERVED = "disk_reserved"
1074 DS_DISK_OVERHEAD = "disk_overhead"
1078 DS_DISK_RESERVED: 0,
1079 DS_DISK_OVERHEAD: 0,
1082 DSS_PARAMETER_TYPES = {
1083 DS_DISK_TOTAL: VTYPE_INT,
1084 DS_DISK_RESERVED: VTYPE_INT,
1085 DS_DISK_OVERHEAD: VTYPE_INT,
1088 DSS_PARAMETERS = frozenset(DSS_PARAMETER_TYPES.keys())
1089 DS_VALID_TYPES = compat.UniqueFrozenset([LD_LV])
1091 # Backend parameter names
1092 BE_MEMORY = "memory" # deprecated and replaced by max and min mem
1093 BE_MAXMEM = "maxmem"
1094 BE_MINMEM = "minmem"
1096 BE_AUTO_BALANCE = "auto_balance"
1097 BE_ALWAYS_FAILOVER = "always_failover"
1098 BE_SPINDLE_USE = "spindle_use"
1100 BES_PARAMETER_TYPES = {
1101 BE_MAXMEM: VTYPE_SIZE,
1102 BE_MINMEM: VTYPE_SIZE,
1103 BE_VCPUS: VTYPE_INT,
1104 BE_AUTO_BALANCE: VTYPE_BOOL,
1105 BE_ALWAYS_FAILOVER: VTYPE_BOOL,
1106 BE_SPINDLE_USE: VTYPE_INT,
1109 BES_PARAMETER_TITLES = {
1110 BE_AUTO_BALANCE: "Auto_balance",
1111 BE_MAXMEM: "ConfigMaxMem",
1112 BE_MINMEM: "ConfigMinMem",
1113 BE_VCPUS: "ConfigVCPUs",
1116 BES_PARAMETER_COMPAT = {
1117 BE_MEMORY: VTYPE_SIZE,
1119 BES_PARAMETER_COMPAT.update(BES_PARAMETER_TYPES)
1121 BES_PARAMETERS = frozenset(BES_PARAMETER_TYPES.keys())
1124 ISPEC_MEM_SIZE = "memory-size"
1125 ISPEC_CPU_COUNT = "cpu-count"
1126 ISPEC_DISK_COUNT = "disk-count"
1127 ISPEC_DISK_SIZE = "disk-size"
1128 ISPEC_NIC_COUNT = "nic-count"
1129 ISPEC_SPINDLE_USE = "spindle-use"
1131 ISPECS_PARAMETER_TYPES = {
1132 ISPEC_MEM_SIZE: VTYPE_INT,
1133 ISPEC_CPU_COUNT: VTYPE_INT,
1134 ISPEC_DISK_COUNT: VTYPE_INT,
1135 ISPEC_DISK_SIZE: VTYPE_INT,
1136 ISPEC_NIC_COUNT: VTYPE_INT,
1137 ISPEC_SPINDLE_USE: VTYPE_INT,
1140 ISPECS_PARAMETERS = frozenset(ISPECS_PARAMETER_TYPES.keys())
1142 ISPECS_MINMAX = "minmax"
1146 IPOLICY_DTS = "disk-templates"
1147 IPOLICY_VCPU_RATIO = "vcpu-ratio"
1148 IPOLICY_SPINDLE_RATIO = "spindle-ratio"
1150 ISPECS_MINMAX_KEYS = compat.UniqueFrozenset([
1155 IPOLICY_PARAMETERS = compat.UniqueFrozenset([
1157 IPOLICY_SPINDLE_RATIO,
1160 IPOLICY_ALL_KEYS = (IPOLICY_PARAMETERS |
1161 frozenset([ISPECS_MINMAX, ISPECS_STD, IPOLICY_DTS]))
1163 # Node parameter names
1164 ND_OOB_PROGRAM = "oob_program"
1165 ND_SPINDLE_COUNT = "spindle_count"
1166 ND_EXCLUSIVE_STORAGE = "exclusive_storage"
1168 NDS_PARAMETER_TYPES = {
1169 ND_OOB_PROGRAM: VTYPE_STRING,
1170 ND_SPINDLE_COUNT: VTYPE_INT,
1171 ND_EXCLUSIVE_STORAGE: VTYPE_BOOL,
1174 NDS_PARAMETERS = frozenset(NDS_PARAMETER_TYPES.keys())
1176 NDS_PARAMETER_TITLES = {
1177 ND_OOB_PROGRAM: "OutOfBandProgram",
1178 ND_SPINDLE_COUNT: "SpindleCount",
1179 ND_EXCLUSIVE_STORAGE: "ExclusiveStorage",
1182 # Logical Disks parameters
1183 LDP_RESYNC_RATE = "resync-rate"
1184 LDP_STRIPES = "stripes"
1185 LDP_BARRIERS = "disabled-barriers"
1186 LDP_NO_META_FLUSH = "disable-meta-flush"
1187 LDP_DEFAULT_METAVG = "default-metavg"
1188 LDP_DISK_CUSTOM = "disk-custom"
1189 LDP_NET_CUSTOM = "net-custom"
1190 LDP_DYNAMIC_RESYNC = "dynamic-resync"
1191 LDP_PLAN_AHEAD = "c-plan-ahead"
1192 LDP_FILL_TARGET = "c-fill-target"
1193 LDP_DELAY_TARGET = "c-delay-target"
1194 LDP_MAX_RATE = "c-max-rate"
1195 LDP_MIN_RATE = "c-min-rate"
1198 LDP_RESYNC_RATE: VTYPE_INT,
1199 LDP_STRIPES: VTYPE_INT,
1200 LDP_BARRIERS: VTYPE_STRING,
1201 LDP_NO_META_FLUSH: VTYPE_BOOL,
1202 LDP_DEFAULT_METAVG: VTYPE_STRING,
1203 LDP_DISK_CUSTOM: VTYPE_STRING,
1204 LDP_NET_CUSTOM: VTYPE_STRING,
1205 LDP_DYNAMIC_RESYNC: VTYPE_BOOL,
1206 LDP_PLAN_AHEAD: VTYPE_INT,
1207 LDP_FILL_TARGET: VTYPE_INT,
1208 LDP_DELAY_TARGET: VTYPE_INT,
1209 LDP_MAX_RATE: VTYPE_INT,
1210 LDP_MIN_RATE: VTYPE_INT,
1211 LDP_POOL: VTYPE_STRING,
1213 DISK_LD_PARAMETERS = frozenset(DISK_LD_TYPES.keys())
1215 # Disk template parameters (can be set/changed by the user via gnt-cluster and
1217 DRBD_RESYNC_RATE = "resync-rate"
1218 DRBD_DATA_STRIPES = "data-stripes"
1219 DRBD_META_STRIPES = "meta-stripes"
1220 DRBD_DISK_BARRIERS = "disk-barriers"
1221 DRBD_META_BARRIERS = "meta-barriers"
1222 DRBD_DEFAULT_METAVG = "metavg"
1223 DRBD_DISK_CUSTOM = "disk-custom"
1224 DRBD_NET_CUSTOM = "net-custom"
1225 DRBD_DYNAMIC_RESYNC = "dynamic-resync"
1226 DRBD_PLAN_AHEAD = "c-plan-ahead"
1227 DRBD_FILL_TARGET = "c-fill-target"
1228 DRBD_DELAY_TARGET = "c-delay-target"
1229 DRBD_MAX_RATE = "c-max-rate"
1230 DRBD_MIN_RATE = "c-min-rate"
1231 LV_STRIPES = "stripes"
1234 DRBD_RESYNC_RATE: VTYPE_INT,
1235 DRBD_DATA_STRIPES: VTYPE_INT,
1236 DRBD_META_STRIPES: VTYPE_INT,
1237 DRBD_DISK_BARRIERS: VTYPE_STRING,
1238 DRBD_META_BARRIERS: VTYPE_BOOL,
1239 DRBD_DEFAULT_METAVG: VTYPE_STRING,
1240 DRBD_DISK_CUSTOM: VTYPE_STRING,
1241 DRBD_NET_CUSTOM: VTYPE_STRING,
1242 DRBD_DYNAMIC_RESYNC: VTYPE_BOOL,
1243 DRBD_PLAN_AHEAD: VTYPE_INT,
1244 DRBD_FILL_TARGET: VTYPE_INT,
1245 DRBD_DELAY_TARGET: VTYPE_INT,
1246 DRBD_MAX_RATE: VTYPE_INT,
1247 DRBD_MIN_RATE: VTYPE_INT,
1248 LV_STRIPES: VTYPE_INT,
1249 RBD_POOL: VTYPE_STRING,
1252 DISK_DT_PARAMETERS = frozenset(DISK_DT_TYPES.keys())
1254 # OOB supported commands
1255 OOB_POWER_ON = "power-on"
1256 OOB_POWER_OFF = "power-off"
1257 OOB_POWER_CYCLE = "power-cycle"
1258 OOB_POWER_STATUS = "power-status"
1259 OOB_HEALTH = "health"
1261 OOB_COMMANDS = compat.UniqueFrozenset([
1269 OOB_POWER_STATUS_POWERED = "powered"
1271 OOB_TIMEOUT = 60 # 60 seconds
1272 OOB_POWER_DELAY = 2.0 # 2 seconds
1274 OOB_STATUS_OK = "OK"
1275 OOB_STATUS_WARNING = "WARNING"
1276 OOB_STATUS_CRITICAL = "CRITICAL"
1277 OOB_STATUS_UNKNOWN = "UNKNOWN"
1279 OOB_STATUSES = compat.UniqueFrozenset([
1282 OOB_STATUS_CRITICAL,
1286 # Instance Parameters Profile
1287 PP_DEFAULT = "default"
1289 # NIC_* constants are used inside the ganeti config
1293 NIC_MODE_BRIDGED = "bridged"
1294 NIC_MODE_ROUTED = "routed"
1295 NIC_MODE_OVS = "openvswitch"
1296 NIC_IP_POOL = "pool"
1298 NIC_VALID_MODES = compat.UniqueFrozenset([
1304 RESERVE_ACTION = "reserve"
1305 RELEASE_ACTION = "release"
1307 NICS_PARAMETER_TYPES = {
1308 NIC_MODE: VTYPE_STRING,
1309 NIC_LINK: VTYPE_STRING,
1312 NICS_PARAMETERS = frozenset(NICS_PARAMETER_TYPES.keys())
1314 # IDISK_* constants are used in opcodes, to create/change disks
1317 IDISK_ADOPT = "adopt"
1319 IDISK_METAVG = "metavg"
1320 IDISK_PROVIDER = "provider"
1321 IDISK_PARAMS_TYPES = {
1322 IDISK_SIZE: VTYPE_SIZE,
1323 IDISK_MODE: VTYPE_STRING,
1324 IDISK_ADOPT: VTYPE_STRING,
1325 IDISK_VG: VTYPE_STRING,
1326 IDISK_METAVG: VTYPE_STRING,
1327 IDISK_PROVIDER: VTYPE_STRING,
1329 IDISK_PARAMS = frozenset(IDISK_PARAMS_TYPES.keys())
1331 # INIC_* constants are used in opcodes, to create/change nics
1336 INIC_NETWORK = "network"
1337 INIC_PARAMS_TYPES = {
1338 INIC_IP: VTYPE_MAYBE_STRING,
1339 INIC_LINK: VTYPE_STRING,
1340 INIC_MAC: VTYPE_STRING,
1341 INIC_MODE: VTYPE_STRING,
1342 INIC_NETWORK: VTYPE_MAYBE_STRING,
1344 INIC_PARAMS = frozenset(INIC_PARAMS_TYPES.keys())
1346 # Hypervisor constants
1347 HT_XEN_PVM = "xen-pvm"
1349 HT_XEN_HVM = "xen-hvm"
1351 HT_CHROOT = "chroot"
1353 HYPER_TYPES = compat.UniqueFrozenset([
1361 HTS_REQ_PORT = compat.UniqueFrozenset([HT_XEN_HVM, HT_KVM])
1363 VNC_BASE_PORT = 5900
1364 VNC_DEFAULT_BIND_ADDRESS = IP4_ADDRESS_ANY
1367 HT_NIC_RTL8139 = "rtl8139"
1368 HT_NIC_NE2K_PCI = "ne2k_pci"
1369 HT_NIC_NE2K_ISA = "ne2k_isa"
1370 HT_NIC_I82551 = "i82551"
1371 HT_NIC_I85557B = "i82557b"
1372 HT_NIC_I8259ER = "i82559er"
1373 HT_NIC_PCNET = "pcnet"
1374 HT_NIC_E1000 = "e1000"
1375 HT_NIC_PARAVIRTUAL = HT_DISK_PARAVIRTUAL = "paravirtual"
1377 HT_HVM_VALID_NIC_TYPES = compat.UniqueFrozenset([
1384 HT_KVM_VALID_NIC_TYPES = compat.UniqueFrozenset([
1397 HT_DISK_IOEMU = "ioemu"
1399 HT_DISK_SCSI = "scsi"
1402 HT_DISK_PFLASH = "pflash"
1404 HT_CACHE_DEFAULT = "default"
1405 HT_CACHE_NONE = "none"
1406 HT_CACHE_WTHROUGH = "writethrough"
1407 HT_CACHE_WBACK = "writeback"
1408 HT_VALID_CACHE_TYPES = compat.UniqueFrozenset([
1415 HT_HVM_VALID_DISK_TYPES = compat.UniqueFrozenset([
1416 HT_DISK_PARAVIRTUAL,
1419 HT_KVM_VALID_DISK_TYPES = compat.UniqueFrozenset([
1420 HT_DISK_PARAVIRTUAL,
1429 HT_MOUSE_MOUSE = "mouse"
1430 HT_MOUSE_TABLET = "tablet"
1432 HT_KVM_VALID_MOUSE_TYPES = compat.UniqueFrozenset([
1438 HT_BO_FLOPPY = "floppy"
1439 HT_BO_CDROM = "cdrom"
1441 HT_BO_NETWORK = "network"
1443 HT_KVM_VALID_BO_TYPES = compat.UniqueFrozenset([
1450 # SPICE lossless image compression options
1451 HT_KVM_SPICE_LOSSLESS_IMG_COMPR_AUTO_GLZ = "auto_glz"
1452 HT_KVM_SPICE_LOSSLESS_IMG_COMPR_AUTO_LZ = "auto_lz"
1453 HT_KVM_SPICE_LOSSLESS_IMG_COMPR_QUIC = "quic"
1454 HT_KVM_SPICE_LOSSLESS_IMG_COMPR_GLZ = "glz"
1455 HT_KVM_SPICE_LOSSLESS_IMG_COMPR_LZ = "lz"
1456 HT_KVM_SPICE_LOSSLESS_IMG_COMPR_OFF = "off"
1458 HT_KVM_SPICE_VALID_LOSSLESS_IMG_COMPR_OPTIONS = compat.UniqueFrozenset([
1459 HT_KVM_SPICE_LOSSLESS_IMG_COMPR_AUTO_GLZ,
1460 HT_KVM_SPICE_LOSSLESS_IMG_COMPR_AUTO_LZ,
1461 HT_KVM_SPICE_LOSSLESS_IMG_COMPR_QUIC,
1462 HT_KVM_SPICE_LOSSLESS_IMG_COMPR_GLZ,
1463 HT_KVM_SPICE_LOSSLESS_IMG_COMPR_LZ,
1464 HT_KVM_SPICE_LOSSLESS_IMG_COMPR_OFF,
1467 # SPICE lossy image compression options (valid for both jpeg and zlib-glz)
1468 HT_KVM_SPICE_LOSSY_IMG_COMPR_AUTO = "auto"
1469 HT_KVM_SPICE_LOSSY_IMG_COMPR_NEVER = "never"
1470 HT_KVM_SPICE_LOSSY_IMG_COMPR_ALWAYS = "always"
1472 HT_KVM_SPICE_VALID_LOSSY_IMG_COMPR_OPTIONS = compat.UniqueFrozenset([
1473 HT_KVM_SPICE_LOSSY_IMG_COMPR_AUTO,
1474 HT_KVM_SPICE_LOSSY_IMG_COMPR_NEVER,
1475 HT_KVM_SPICE_LOSSY_IMG_COMPR_ALWAYS,
1478 # SPICE video stream detection
1479 HT_KVM_SPICE_VIDEO_STREAM_DETECTION_OFF = "off"
1480 HT_KVM_SPICE_VIDEO_STREAM_DETECTION_ALL = "all"
1481 HT_KVM_SPICE_VIDEO_STREAM_DETECTION_FILTER = "filter"
1483 HT_KVM_SPICE_VALID_VIDEO_STREAM_DETECTION_OPTIONS = compat.UniqueFrozenset([
1484 HT_KVM_SPICE_VIDEO_STREAM_DETECTION_OFF,
1485 HT_KVM_SPICE_VIDEO_STREAM_DETECTION_ALL,
1486 HT_KVM_SPICE_VIDEO_STREAM_DETECTION_FILTER,
1494 HT_KVM_VALID_SM_TYPES = compat.UniqueFrozenset([
1501 HT_KVM_ENABLED = "enabled"
1502 HT_KVM_DISABLED = "disabled"
1504 HT_KVM_FLAG_VALUES = compat.UniqueFrozenset([HT_KVM_ENABLED, HT_KVM_DISABLED])
1507 HT_MIGRATION_LIVE = "live"
1508 HT_MIGRATION_NONLIVE = "non-live"
1509 HT_MIGRATION_MODES = compat.UniqueFrozenset([
1511 HT_MIGRATION_NONLIVE,
1514 # Cluster Verify steps
1515 VERIFY_NPLUSONE_MEM = "nplusone_mem"
1516 VERIFY_OPTIONAL_CHECKS = compat.UniqueFrozenset([VERIFY_NPLUSONE_MEM])
1518 # Cluster Verify error classes
1519 CV_TCLUSTER = "cluster"
1522 CV_TINSTANCE = "instance"
1524 # Cluster Verify error codes and documentation
1526 (CV_TCLUSTER, "ECLUSTERCFG", "Cluster configuration verification failure")
1528 (CV_TCLUSTER, "ECLUSTERCERT",
1529 "Cluster certificate files verification failure")
1530 CV_ECLUSTERFILECHECK = \
1531 (CV_TCLUSTER, "ECLUSTERFILECHECK",
1532 "Cluster configuration verification failure")
1533 CV_ECLUSTERDANGLINGNODES = \
1534 (CV_TNODE, "ECLUSTERDANGLINGNODES",
1535 "Some nodes belong to non-existing groups")
1536 CV_ECLUSTERDANGLINGINST = \
1537 (CV_TNODE, "ECLUSTERDANGLINGINST",
1538 "Some instances have a non-existing primary node")
1539 CV_EGROUPDIFFERENTPVSIZE = \
1540 (CV_TGROUP, "EGROUPDIFFERENTPVSIZE", "PVs in the group have different sizes")
1541 CV_EINSTANCEBADNODE = \
1542 (CV_TINSTANCE, "EINSTANCEBADNODE",
1543 "Instance marked as running lives on an offline node")
1544 CV_EINSTANCEDOWN = \
1545 (CV_TINSTANCE, "EINSTANCEDOWN", "Instance not running on its primary node")
1546 CV_EINSTANCELAYOUT = \
1547 (CV_TINSTANCE, "EINSTANCELAYOUT", "Instance has multiple secondary nodes")
1548 CV_EINSTANCEMISSINGDISK = \
1549 (CV_TINSTANCE, "EINSTANCEMISSINGDISK", "Missing volume on an instance")
1550 CV_EINSTANCEFAULTYDISK = \
1551 (CV_TINSTANCE, "EINSTANCEFAULTYDISK",
1552 "Impossible to retrieve status for a disk")
1553 CV_EINSTANCEWRONGNODE = \
1554 (CV_TINSTANCE, "EINSTANCEWRONGNODE", "Instance running on the wrong node")
1555 CV_EINSTANCESPLITGROUPS = \
1556 (CV_TINSTANCE, "EINSTANCESPLITGROUPS",
1557 "Instance with primary and secondary nodes in different groups")
1558 CV_EINSTANCEPOLICY = \
1559 (CV_TINSTANCE, "EINSTANCEPOLICY",
1560 "Instance does not meet policy")
1561 CV_EINSTANCEUNSUITABLENODE = \
1562 (CV_TINSTANCE, "EINSTANCEUNSUITABLENODE",
1563 "Instance running on nodes that are not suitable for it")
1565 (CV_TNODE, "ENODEDRBD", "Error parsing the DRBD status file")
1566 CV_ENODEDRBDHELPER = \
1567 (CV_TNODE, "ENODEDRBDHELPER", "Error caused by the DRBD helper")
1568 CV_ENODEFILECHECK = \
1569 (CV_TNODE, "ENODEFILECHECK",
1570 "Error retrieving the checksum of the node files")
1572 (CV_TNODE, "ENODEHOOKS", "Communication failure in hooks execution")
1574 (CV_TNODE, "ENODEHV", "Hypervisor parameters verification failure")
1576 (CV_TNODE, "ENODELVM", "LVM-related node error")
1578 (CV_TNODE, "ENODEN1", "Not enough memory to accommodate instance failovers")
1580 (CV_TNODE, "ENODENET", "Network-related node error")
1582 (CV_TNODE, "ENODEOS", "OS-related node error")
1583 CV_ENODEORPHANINSTANCE = \
1584 (CV_TNODE, "ENODEORPHANINSTANCE", "Unknown intance running on a node")
1585 CV_ENODEORPHANLV = \
1586 (CV_TNODE, "ENODEORPHANLV", "Unknown LVM logical volume")
1588 (CV_TNODE, "ENODERPC",
1589 "Error during connection to the primary node of an instance")
1591 (CV_TNODE, "ENODESSH", "SSH-related node error")
1593 (CV_TNODE, "ENODEVERSION",
1594 "Protocol version mismatch or Ganeti version mismatch")
1596 (CV_TNODE, "ENODESETUP", "Node setup error")
1598 (CV_TNODE, "ENODETIME", "Node returned invalid time")
1600 (CV_TNODE, "ENODEOOBPATH", "Invalid Out Of Band path")
1601 CV_ENODEUSERSCRIPTS = \
1602 (CV_TNODE, "ENODEUSERSCRIPTS", "User scripts not present or not executable")
1603 CV_ENODEFILESTORAGEPATHS = \
1604 (CV_TNODE, "ENODEFILESTORAGEPATHS", "Detected bad file storage paths")
1606 CV_ALL_ECODES = compat.UniqueFrozenset([
1609 CV_ECLUSTERFILECHECK,
1610 CV_ECLUSTERDANGLINGNODES,
1611 CV_ECLUSTERDANGLINGINST,
1612 CV_EINSTANCEBADNODE,
1615 CV_EINSTANCEMISSINGDISK,
1616 CV_EINSTANCEFAULTYDISK,
1617 CV_EINSTANCEWRONGNODE,
1618 CV_EINSTANCESPLITGROUPS,
1629 CV_ENODEORPHANINSTANCE,
1637 CV_ENODEUSERSCRIPTS,
1638 CV_ENODEFILESTORAGEPATHS,
1641 CV_ALL_ECODES_STRINGS = \
1642 compat.UniqueFrozenset(estr for (_, estr, _) in CV_ALL_ECODES)
1644 # Node verify constants
1645 NV_BRIDGES = "bridges"
1646 NV_DRBDHELPER = "drbd-helper"
1647 NV_DRBDLIST = "drbd-list"
1648 NV_EXCLUSIVEPVS = "exclusive-pvs"
1649 NV_FILELIST = "filelist"
1650 NV_FILE_STORAGE_PATHS = "file-storage-paths"
1651 NV_HVINFO = "hvinfo"
1652 NV_HVPARAMS = "hvparms"
1653 NV_HYPERVISOR = "hypervisor"
1654 NV_INSTANCELIST = "instancelist"
1655 NV_LVLIST = "lvlist"
1656 NV_MASTERIP = "master-ip"
1657 NV_NODELIST = "nodelist"
1658 NV_NODENETTEST = "node-net-test"
1659 NV_NODESETUP = "nodesetup"
1660 NV_OOB_PATHS = "oob-paths"
1661 NV_OSLIST = "oslist"
1662 NV_PVLIST = "pvlist"
1664 NV_USERSCRIPTS = "user-scripts"
1665 NV_VERSION = "version"
1666 NV_VGLIST = "vglist"
1667 NV_VMNODES = "vmnodes"
1670 INSTST_RUNNING = "running"
1671 INSTST_ADMINDOWN = "ADMIN_down"
1672 INSTST_ADMINOFFLINE = "ADMIN_offline"
1673 INSTST_NODEOFFLINE = "ERROR_nodeoffline"
1674 INSTST_NODEDOWN = "ERROR_nodedown"
1675 INSTST_WRONGNODE = "ERROR_wrongnode"
1676 INSTST_ERRORUP = "ERROR_up"
1677 INSTST_ERRORDOWN = "ERROR_down"
1678 INSTST_ALL = compat.UniqueFrozenset([
1681 INSTST_ADMINOFFLINE,
1691 ADMINST_DOWN = "down"
1692 ADMINST_OFFLINE = "offline"
1693 ADMINST_ALL = compat.UniqueFrozenset([
1705 NR_ALL = compat.UniqueFrozenset([
1713 # SSL certificate check constants (in days)
1714 SSL_CERT_EXPIRATION_WARN = 30
1715 SSL_CERT_EXPIRATION_ERROR = 7
1717 # Allocator framework constants
1718 IALLOCATOR_VERSION = 2
1719 IALLOCATOR_DIR_IN = "in"
1720 IALLOCATOR_DIR_OUT = "out"
1721 VALID_IALLOCATOR_DIRECTIONS = compat.UniqueFrozenset([
1725 IALLOCATOR_MODE_ALLOC = "allocate"
1726 IALLOCATOR_MODE_RELOC = "relocate"
1727 IALLOCATOR_MODE_CHG_GROUP = "change-group"
1728 IALLOCATOR_MODE_NODE_EVAC = "node-evacuate"
1729 IALLOCATOR_MODE_MULTI_ALLOC = "multi-allocate"
1730 VALID_IALLOCATOR_MODES = compat.UniqueFrozenset([
1731 IALLOCATOR_MODE_ALLOC,
1732 IALLOCATOR_MODE_RELOC,
1733 IALLOCATOR_MODE_CHG_GROUP,
1734 IALLOCATOR_MODE_NODE_EVAC,
1735 IALLOCATOR_MODE_MULTI_ALLOC,
1737 IALLOCATOR_SEARCH_PATH = _autoconf.IALLOCATOR_SEARCH_PATH
1738 DEFAULT_IALLOCATOR_SHORTCUT = "."
1740 IALLOCATOR_NEVAC_PRI = "primary-only"
1741 IALLOCATOR_NEVAC_SEC = "secondary-only"
1742 IALLOCATOR_NEVAC_ALL = "all"
1743 IALLOCATOR_NEVAC_MODES = compat.UniqueFrozenset([
1744 IALLOCATOR_NEVAC_PRI,
1745 IALLOCATOR_NEVAC_SEC,
1746 IALLOCATOR_NEVAC_ALL,
1750 NODE_EVAC_PRI = "primary-only"
1751 NODE_EVAC_SEC = "secondary-only"
1752 NODE_EVAC_ALL = "all"
1753 NODE_EVAC_MODES = compat.UniqueFrozenset([
1760 JOB_QUEUE_VERSION = 1
1761 JOB_QUEUE_SIZE_HARD_LIMIT = 5000
1763 JOB_ID_TEMPLATE = r"\d+"
1764 JOB_FILE_RE = re.compile(r"^job-(%s)$" % JOB_ID_TEMPLATE)
1766 # unchanged job return
1767 JOB_NOTCHANGED = "nochange"
1770 JOB_STATUS_QUEUED = "queued"
1771 JOB_STATUS_WAITING = "waiting"
1772 JOB_STATUS_CANCELING = "canceling"
1773 JOB_STATUS_RUNNING = "running"
1774 JOB_STATUS_CANCELED = "canceled"
1775 JOB_STATUS_SUCCESS = "success"
1776 JOB_STATUS_ERROR = "error"
1777 JOBS_PENDING = compat.UniqueFrozenset([
1780 JOB_STATUS_CANCELING,
1782 JOBS_FINALIZED = compat.UniqueFrozenset([
1783 JOB_STATUS_CANCELED,
1787 JOB_STATUS_ALL = compat.UniqueFrozenset([
1789 ]) | JOBS_PENDING | JOBS_FINALIZED
1793 OP_STATUS_QUEUED = "queued"
1794 OP_STATUS_WAITING = "waiting"
1795 OP_STATUS_CANCELING = "canceling"
1796 OP_STATUS_RUNNING = "running"
1798 OP_STATUS_CANCELED = "canceled"
1799 OP_STATUS_SUCCESS = "success"
1800 OP_STATUS_ERROR = "error"
1801 OPS_FINALIZED = compat.UniqueFrozenset([
1808 OP_PRIO_LOWEST = +19
1809 OP_PRIO_HIGHEST = -20
1815 OP_PRIO_SUBMIT_VALID = compat.UniqueFrozenset([
1821 OP_PRIO_DEFAULT = OP_PRIO_NORMAL
1823 # Lock recalculate mode
1824 LOCKS_REPLACE = "replace"
1825 LOCKS_APPEND = "append"
1827 # Lock timeout (sum) before we should go into blocking acquire (still
1828 # can be reset by priority change); computed as max time (10 hours)
1829 # before we should actually go into blocking acquire given that we
1830 # start from default priority level; in seconds
1832 LOCK_ATTEMPTS_TIMEOUT = 10 * 3600 / (OP_PRIO_DEFAULT - OP_PRIO_HIGHEST)
1833 LOCK_ATTEMPTS_MAXWAIT = 15.0
1834 LOCK_ATTEMPTS_MINWAIT = 1.0
1836 # Execution log types
1837 ELOG_MESSAGE = "message"
1838 ELOG_REMOTE_IMPORT = "remote-import"
1839 ELOG_JQUEUE_TEST = "jqueue-test"
1841 # /etc/hosts modification
1842 ETC_HOSTS_ADD = "add"
1843 ETC_HOSTS_REMOVE = "remove"
1846 JQT_MSGPREFIX = "TESTMSG="
1847 JQT_EXPANDNAMES = "expandnames"
1849 JQT_LOGMSG = "logmsg"
1850 JQT_STARTMSG = "startmsg"
1851 JQT_ALL = compat.UniqueFrozenset([
1859 QR_CLUSTER = "cluster"
1860 QR_INSTANCE = "instance"
1866 QR_EXPORT = "export"
1867 QR_NETWORK = "network"
1868 QR_EXTSTORAGE = "extstorage"
1870 #: List of resources which can be queried using L{opcodes.OpQuery}
1871 QR_VIA_OP = compat.UniqueFrozenset([
1882 #: List of resources which can be queried using Local UniX Interface
1883 QR_VIA_LUXI = QR_VIA_OP.union([
1888 #: List of resources which can be queried using RAPI
1889 QR_VIA_RAPI = QR_VIA_LUXI
1892 QFT_UNKNOWN = "unknown"
1895 QFT_NUMBER = "number"
1897 QFT_TIMESTAMP = "timestamp"
1900 #: All query field types
1901 QFT_ALL = compat.UniqueFrozenset([
1911 # Query result field status (don't change or reuse values as they're used by
1913 #: Normal field status
1917 #: No data (e.g. RPC error), can be used instead of L{RS_OFFLINE}
1919 #: Value unavailable/unsupported for item; if this field is supported
1920 #: but we cannot get the data for the moment, RS_NODATA or
1921 #: RS_OFFLINE should be used
1923 #: Resource marked offline
1926 RS_ALL = compat.UniqueFrozenset([
1934 #: Dictionary with special field cases and their verbose/terse formatting
1936 RS_UNKNOWN: ("(unknown)", "??"),
1937 RS_NODATA: ("(nodata)", "?"),
1938 RS_OFFLINE: ("(offline)", "*"),
1939 RS_UNAVAIL: ("(unavail)", "-"),
1942 # max dynamic devices
1946 # SSCONF file prefix
1947 SSCONF_FILEPREFIX = "ssconf_"
1949 SS_CLUSTER_NAME = "cluster_name"
1950 SS_CLUSTER_TAGS = "cluster_tags"
1951 SS_FILE_STORAGE_DIR = "file_storage_dir"
1952 SS_SHARED_FILE_STORAGE_DIR = "shared_file_storage_dir"
1953 SS_MASTER_CANDIDATES = "master_candidates"
1954 SS_MASTER_CANDIDATES_IPS = "master_candidates_ips"
1955 SS_MASTER_IP = "master_ip"
1956 SS_MASTER_NETDEV = "master_netdev"
1957 SS_MASTER_NETMASK = "master_netmask"
1958 SS_MASTER_NODE = "master_node"
1959 SS_NODE_LIST = "node_list"
1960 SS_NODE_PRIMARY_IPS = "node_primary_ips"
1961 SS_NODE_SECONDARY_IPS = "node_secondary_ips"
1962 SS_OFFLINE_NODES = "offline_nodes"
1963 SS_ONLINE_NODES = "online_nodes"
1964 SS_PRIMARY_IP_FAMILY = "primary_ip_family"
1965 SS_INSTANCE_LIST = "instance_list"
1966 SS_RELEASE_VERSION = "release_version"
1967 SS_HYPERVISOR_LIST = "hypervisor_list"
1968 SS_MAINTAIN_NODE_HEALTH = "maintain_node_health"
1969 SS_UID_POOL = "uid_pool"
1970 SS_NODEGROUPS = "nodegroups"
1971 SS_NETWORKS = "networks"
1973 SS_FILE_PERMS = 0444
1975 # cluster wide default parameters
1976 DEFAULT_ENABLED_HYPERVISOR = HT_XEN_PVM
1980 HV_USE_BOOTLOADER: False,
1981 HV_BOOTLOADER_PATH: XEN_BOOTLOADER,
1982 HV_BOOTLOADER_ARGS: "",
1983 HV_KERNEL_PATH: XEN_KERNEL,
1985 HV_ROOT_PATH: "/dev/xvda1",
1986 HV_KERNEL_ARGS: "ro",
1987 HV_MIGRATION_PORT: 8002,
1988 HV_MIGRATION_MODE: HT_MIGRATION_LIVE,
1989 HV_BLOCKDEV_PREFIX: "sd",
1990 HV_REBOOT_BEHAVIOR: INSTANCE_REBOOT_ALLOWED,
1991 HV_CPU_MASK: CPU_PINNING_ALL,
1996 HV_BOOT_ORDER: "cd",
1997 HV_CDROM_IMAGE_PATH: "",
1998 HV_NIC_TYPE: HT_NIC_RTL8139,
1999 HV_DISK_TYPE: HT_DISK_PARAVIRTUAL,
2000 HV_VNC_BIND_ADDRESS: IP4_ADDRESS_ANY,
2001 HV_VNC_PASSWORD_FILE: pathutils.VNC_PASSWORD_FILE,
2004 HV_KERNEL_PATH: "/usr/lib/xen/boot/hvmloader",
2005 HV_DEVICE_MODEL: "/usr/lib/xen/bin/qemu-dm",
2006 HV_MIGRATION_PORT: 8002,
2007 HV_MIGRATION_MODE: HT_MIGRATION_NONLIVE,
2008 HV_USE_LOCALTIME: False,
2009 HV_BLOCKDEV_PREFIX: "hd",
2011 HV_REBOOT_BEHAVIOR: INSTANCE_REBOOT_ALLOWED,
2012 HV_CPU_MASK: CPU_PINNING_ALL,
2017 HV_KVM_PATH: KVM_PATH,
2018 HV_KERNEL_PATH: KVM_KERNEL,
2020 HV_KERNEL_ARGS: "ro",
2021 HV_ROOT_PATH: "/dev/vda1",
2023 HV_SERIAL_CONSOLE: True,
2024 HV_SERIAL_SPEED: 38400,
2025 HV_VNC_BIND_ADDRESS: "",
2028 HV_VNC_X509_VERIFY: False,
2029 HV_VNC_PASSWORD_FILE: "",
2030 HV_KVM_SPICE_BIND: "",
2031 HV_KVM_SPICE_IP_VERSION: IFACE_NO_IP_VERSION_SPECIFIED,
2032 HV_KVM_SPICE_PASSWORD_FILE: "",
2033 HV_KVM_SPICE_LOSSLESS_IMG_COMPR: "",
2034 HV_KVM_SPICE_JPEG_IMG_COMPR: "",
2035 HV_KVM_SPICE_ZLIB_GLZ_IMG_COMPR: "",
2036 HV_KVM_SPICE_STREAMING_VIDEO_DETECTION: "",
2037 HV_KVM_SPICE_AUDIO_COMPR: True,
2038 HV_KVM_SPICE_USE_TLS: False,
2039 HV_KVM_SPICE_TLS_CIPHERS: OPENSSL_CIPHERS,
2040 HV_KVM_SPICE_USE_VDAGENT: True,
2041 HV_KVM_FLOPPY_IMAGE_PATH: "",
2042 HV_CDROM_IMAGE_PATH: "",
2043 HV_KVM_CDROM2_IMAGE_PATH: "",
2044 HV_BOOT_ORDER: HT_BO_DISK,
2045 HV_NIC_TYPE: HT_NIC_PARAVIRTUAL,
2046 HV_DISK_TYPE: HT_DISK_PARAVIRTUAL,
2047 HV_KVM_CDROM_DISK_TYPE: "",
2050 HV_MIGRATION_PORT: 8102,
2051 HV_MIGRATION_BANDWIDTH: 32, # MiB/s
2052 HV_MIGRATION_DOWNTIME: 30, # ms
2053 HV_MIGRATION_MODE: HT_MIGRATION_LIVE,
2054 HV_USE_LOCALTIME: False,
2055 HV_DISK_CACHE: HT_CACHE_DEFAULT,
2056 HV_SECURITY_MODEL: HT_SM_NONE,
2057 HV_SECURITY_DOMAIN: "",
2059 HV_VHOST_NET: False,
2060 HV_KVM_USE_CHROOT: False,
2062 HV_REBOOT_BEHAVIOR: INSTANCE_REBOOT_ALLOWED,
2063 HV_CPU_MASK: CPU_PINNING_ALL,
2072 HV_KVM_MACHINE_VERSION: "",
2076 HV_INIT_SCRIPT: "/ganeti-chroot",
2083 HVC_GLOBALS = compat.UniqueFrozenset([
2085 HV_MIGRATION_BANDWIDTH,
2093 BE_AUTO_BALANCE: True,
2094 BE_ALWAYS_FAILOVER: False,
2100 ND_SPINDLE_COUNT: 1,
2101 ND_EXCLUSIVE_STORAGE: False,
2104 NDC_GLOBALS = compat.UniqueFrozenset([
2105 ND_EXCLUSIVE_STORAGE,
2108 DISK_LD_DEFAULTS = {
2110 LDP_RESYNC_RATE: CLASSIC_DRBD_SYNC_SPEED,
2111 LDP_BARRIERS: _autoconf.DRBD_BARRIERS,
2112 LDP_NO_META_FLUSH: _autoconf.DRBD_NO_META_FLUSH,
2113 LDP_DEFAULT_METAVG: DEFAULT_VG,
2114 LDP_DISK_CUSTOM: "",
2116 LDP_DYNAMIC_RESYNC: False,
2118 # The default values for the DRBD dynamic resync speed algorithm
2119 # are taken from the drbsetup 8.3.11 man page, except for
2120 # c-plan-ahead (that we don't need to set to 0, because we have a
2121 # separate option to enable it) and for c-max-rate, that we cap to
2122 # the default value for the static resync rate.
2123 LDP_PLAN_AHEAD: 20, # ds
2124 LDP_FILL_TARGET: 0, # sectors
2125 LDP_DELAY_TARGET: 1, # ds
2126 LDP_MAX_RATE: CLASSIC_DRBD_SYNC_SPEED, # KiB/s
2127 LDP_MIN_RATE: 4 * 1024, # KiB/s
2130 LDP_STRIPES: _autoconf.LVM_STRIPECOUNT
2140 # readability shortcuts
2141 _LV_DEFAULTS = DISK_LD_DEFAULTS[LD_LV]
2142 _DRBD_DEFAULTS = DISK_LD_DEFAULTS[LD_DRBD8]
2144 DISK_DT_DEFAULTS = {
2146 LV_STRIPES: DISK_LD_DEFAULTS[LD_LV][LDP_STRIPES],
2149 DRBD_RESYNC_RATE: _DRBD_DEFAULTS[LDP_RESYNC_RATE],
2150 DRBD_DATA_STRIPES: _LV_DEFAULTS[LDP_STRIPES],
2151 DRBD_META_STRIPES: _LV_DEFAULTS[LDP_STRIPES],
2152 DRBD_DISK_BARRIERS: _DRBD_DEFAULTS[LDP_BARRIERS],
2153 DRBD_META_BARRIERS: _DRBD_DEFAULTS[LDP_NO_META_FLUSH],
2154 DRBD_DEFAULT_METAVG: _DRBD_DEFAULTS[LDP_DEFAULT_METAVG],
2155 DRBD_DISK_CUSTOM: _DRBD_DEFAULTS[LDP_DISK_CUSTOM],
2156 DRBD_NET_CUSTOM: _DRBD_DEFAULTS[LDP_NET_CUSTOM],
2157 DRBD_DYNAMIC_RESYNC: _DRBD_DEFAULTS[LDP_DYNAMIC_RESYNC],
2158 DRBD_PLAN_AHEAD: _DRBD_DEFAULTS[LDP_PLAN_AHEAD],
2159 DRBD_FILL_TARGET: _DRBD_DEFAULTS[LDP_FILL_TARGET],
2160 DRBD_DELAY_TARGET: _DRBD_DEFAULTS[LDP_DELAY_TARGET],
2161 DRBD_MAX_RATE: _DRBD_DEFAULTS[LDP_MAX_RATE],
2162 DRBD_MIN_RATE: _DRBD_DEFAULTS[LDP_MIN_RATE],
2169 RBD_POOL: DISK_LD_DEFAULTS[LD_RBD][LDP_POOL]
2174 # we don't want to export the shortcuts
2175 del _LV_DEFAULTS, _DRBD_DEFAULTS
2178 NIC_MODE: NIC_MODE_BRIDGED,
2179 NIC_LINK: DEFAULT_BRIDGE,
2182 # All of the following values are quite arbitrarily - there are no
2183 # "good" defaults, these must be customised per-site
2184 ISPECS_MINMAX_DEFAULTS = {
2186 ISPEC_MEM_SIZE: 128,
2188 ISPEC_DISK_COUNT: 1,
2189 ISPEC_DISK_SIZE: 1024,
2191 ISPEC_SPINDLE_USE: 1,
2194 ISPEC_MEM_SIZE: 32768,
2196 ISPEC_DISK_COUNT: MAX_DISKS,
2197 ISPEC_DISK_SIZE: 1024 * 1024,
2198 ISPEC_NIC_COUNT: MAX_NICS,
2199 ISPEC_SPINDLE_USE: 12,
2202 IPOLICY_DEFAULTS = {
2203 ISPECS_MINMAX: ISPECS_MINMAX_DEFAULTS,
2205 ISPEC_MEM_SIZE: 128,
2207 ISPEC_DISK_COUNT: 1,
2208 ISPEC_DISK_SIZE: 1024,
2210 ISPEC_SPINDLE_USE: 1,
2212 IPOLICY_DTS: list(DISK_TEMPLATES),
2213 IPOLICY_VCPU_RATIO: 4.0,
2214 IPOLICY_SPINDLE_RATIO: 32.0,
2217 MASTER_POOL_SIZE_DEFAULT = 10
2219 # Exclusive storage:
2220 # Error margin used to compare physical disks
2222 # Space reserved when creating instance disks
2225 CONFD_PROTOCOL_VERSION = 1
2228 CONFD_REQ_NODE_ROLE_BYNAME = 1
2229 CONFD_REQ_NODE_PIP_BY_INSTANCE_IP = 2
2230 CONFD_REQ_CLUSTER_MASTER = 3
2231 CONFD_REQ_NODE_PIP_LIST = 4
2232 CONFD_REQ_MC_PIP_LIST = 5
2233 CONFD_REQ_INSTANCES_IPS_LIST = 6
2234 CONFD_REQ_NODE_DRBD = 7
2235 CONFD_REQ_NODE_INSTANCES = 8
2237 # Confd request query fields. These are used to narrow down queries.
2238 # These must be strings rather than integers, because json-encoding
2239 # converts them to strings anyway, as they're used as dict-keys.
2240 CONFD_REQQ_LINK = "0"
2242 CONFD_REQQ_IPLIST = "2"
2243 CONFD_REQQ_FIELDS = "3"
2245 CONFD_REQFIELD_NAME = "0"
2246 CONFD_REQFIELD_IP = "1"
2247 CONFD_REQFIELD_MNODE_PIP = "2"
2249 CONFD_REQS = compat.UniqueFrozenset([
2251 CONFD_REQ_NODE_ROLE_BYNAME,
2252 CONFD_REQ_NODE_PIP_BY_INSTANCE_IP,
2253 CONFD_REQ_CLUSTER_MASTER,
2254 CONFD_REQ_NODE_PIP_LIST,
2255 CONFD_REQ_MC_PIP_LIST,
2256 CONFD_REQ_INSTANCES_IPS_LIST,
2257 CONFD_REQ_NODE_DRBD,
2260 CONFD_REPL_STATUS_OK = 0
2261 CONFD_REPL_STATUS_ERROR = 1
2262 CONFD_REPL_STATUS_NOTIMPLEMENTED = 2
2264 CONFD_REPL_STATUSES = compat.UniqueFrozenset([
2265 CONFD_REPL_STATUS_OK,
2266 CONFD_REPL_STATUS_ERROR,
2267 CONFD_REPL_STATUS_NOTIMPLEMENTED,
2270 (CONFD_NODE_ROLE_MASTER,
2271 CONFD_NODE_ROLE_CANDIDATE,
2272 CONFD_NODE_ROLE_OFFLINE,
2273 CONFD_NODE_ROLE_DRAINED,
2274 CONFD_NODE_ROLE_REGULAR,
2277 # A few common errors for confd
2278 CONFD_ERROR_UNKNOWN_ENTRY = 1
2279 CONFD_ERROR_INTERNAL = 2
2280 CONFD_ERROR_ARGUMENT = 3
2282 # Each request is "salted" by the current timestamp.
2283 # This constants decides how many seconds of skew to accept.
2284 # TODO: make this a default and allow the value to be more configurable
2285 CONFD_MAX_CLOCK_SKEW = 2 * NODE_MAX_CLOCK_SKEW
2287 # When we haven't reloaded the config for more than this amount of
2288 # seconds, we force a test to see if inotify is betraying us. Using a
2289 # prime number to ensure we get less chance of 'same wakeup' with
2291 CONFD_CONFIG_RELOAD_TIMEOUT = 17
2293 # If we receive more than one update in this amount of microseconds,
2294 # we move to polling every RATELIMIT seconds, rather than relying on
2295 # inotify, to be able to serve more requests.
2296 CONFD_CONFIG_RELOAD_RATELIMIT = 250000
2298 # Magic number prepended to all confd queries.
2299 # This allows us to distinguish different types of confd protocols and handle
2300 # them. For example by changing this we can move the whole payload to be
2301 # compressed, or move away from json.
2302 CONFD_MAGIC_FOURCC = "plj0"
2304 # By default a confd request is sent to the minimum between this number and all
2305 # MCs. 6 was chosen because even in the case of a disastrous 50% response rate,
2306 # we should have enough answers to be able to compare more than one.
2307 CONFD_DEFAULT_REQ_COVERAGE = 6
2309 # Timeout in seconds to expire pending query request in the confd client
2310 # library. We don't actually expect any answer more than 10 seconds after we
2312 CONFD_CLIENT_EXPIRE_TIMEOUT = 10
2314 # Maximum UDP datagram size.
2315 # On IPv4: 64K - 20 (ip header size) - 8 (udp header size) = 65507
2316 # On IPv6: 64K - 40 (ip6 header size) - 8 (udp header size) = 65487
2317 # (assuming we can't use jumbo frames)
2318 # We just set this to 60K, which should be enough
2319 MAX_UDP_DATA_SIZE = 61440
2321 # User-id pool minimum/maximum acceptable user-ids.
2323 UIDPOOL_UID_MAX = 2 ** 32 - 1 # Assuming 32 bit user-ids
2325 # Name or path of the pgrep command
2328 # Name of the node group that gets created at cluster init or upgrade
2329 INITIAL_NODE_GROUP_NAME = "default"
2331 # Possible values for NodeGroup.alloc_policy
2332 ALLOC_POLICY_PREFERRED = "preferred"
2333 ALLOC_POLICY_LAST_RESORT = "last_resort"
2334 ALLOC_POLICY_UNALLOCABLE = "unallocable"
2335 VALID_ALLOC_POLICIES = [
2336 ALLOC_POLICY_PREFERRED,
2337 ALLOC_POLICY_LAST_RESORT,
2338 ALLOC_POLICY_UNALLOCABLE,
2341 # Temporary external/shared storage parameters
2342 BLOCKDEV_DRIVER_MANUAL = "manual"
2344 # qemu-img path, required for ovfconverter
2345 QEMUIMG_PATH = _autoconf.QEMUIMG_PATH
2347 # Whether htools was enabled at compilation time
2348 HTOOLS = _autoconf.HTOOLS
2349 # The hail iallocator
2350 IALLOC_HAIL = "hail"
2352 # Fake opcodes for functions that have hooks attached to them via
2353 # backend.RunLocalHooks
2354 FAKE_OP_MASTER_TURNUP = "OP_CLUSTER_IP_TURNUP"
2355 FAKE_OP_MASTER_TURNDOWN = "OP_CLUSTER_IP_TURNDOWN"
2360 SSHK_ALL = compat.UniqueFrozenset([SSHK_RSA, SSHK_DSA])
2362 # SSH authorized key types
2363 SSHAK_RSA = "ssh-rsa"
2364 SSHAK_DSS = "ssh-dss"
2365 SSHAK_ALL = compat.UniqueFrozenset([SSHAK_RSA, SSHAK_DSS])
2368 SSHS_CLUSTER_NAME = "cluster_name"
2369 SSHS_SSH_HOST_KEY = "ssh_host_key"
2370 SSHS_SSH_ROOT_KEY = "ssh_root_key"
2371 SSHS_NODE_DAEMON_CERTIFICATE = "node_daemon_certificate"
2373 #: Key files for SSH daemon
2374 SSH_DAEMON_KEYFILES = {
2375 SSHK_RSA: (pathutils.SSH_HOST_RSA_PRIV, pathutils.SSH_HOST_RSA_PUB),
2376 SSHK_DSA: (pathutils.SSH_HOST_DSA_PRIV, pathutils.SSH_HOST_DSA_PUB),
2380 NDS_CLUSTER_NAME = "cluster_name"
2381 NDS_NODE_DAEMON_CERTIFICATE = "node_daemon_certificate"
2382 NDS_SSCONF = "ssconf"
2383 NDS_START_NODE_DAEMON = "start_node_daemon"
2385 # Path generating random UUID
2386 RANDOM_UUID_FILE = "/proc/sys/kernel/random/uuid"
2388 # Regex string for verifying a UUID
2389 UUID_REGEX = "^[a-f0-9]{8}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{12}$"
2391 # Auto-repair tag prefixes
2392 AUTO_REPAIR_TAG_PREFIX = "ganeti:watcher:autorepair:"
2393 AUTO_REPAIR_TAG_ENABLED = AUTO_REPAIR_TAG_PREFIX
2394 AUTO_REPAIR_TAG_SUSPENDED = AUTO_REPAIR_TAG_ENABLED + "suspend:"
2395 AUTO_REPAIR_TAG_PENDING = AUTO_REPAIR_TAG_PREFIX + "pending:"
2396 AUTO_REPAIR_TAG_RESULT = AUTO_REPAIR_TAG_PREFIX + "result:"
2398 # Auto-repair levels
2399 AUTO_REPAIR_FIX_STORAGE = "fix-storage"
2400 AUTO_REPAIR_MIGRATE = "migrate"
2401 AUTO_REPAIR_FAILOVER = "failover"
2402 AUTO_REPAIR_REINSTALL = "reinstall"
2403 AUTO_REPAIR_ALL_TYPES = [
2404 AUTO_REPAIR_FIX_STORAGE,
2405 AUTO_REPAIR_MIGRATE,
2406 AUTO_REPAIR_FAILOVER,
2407 AUTO_REPAIR_REINSTALL,
2410 # Auto-repair results
2411 AUTO_REPAIR_SUCCESS = "success"
2412 AUTO_REPAIR_FAILURE = "failure"
2413 AUTO_REPAIR_ENOPERM = "enoperm"
2414 AUTO_REPAIR_ALL_RESULTS = frozenset([
2415 AUTO_REPAIR_SUCCESS,
2416 AUTO_REPAIR_FAILURE,
2417 AUTO_REPAIR_ENOPERM,
2420 # The version identifier for builtin data collectors
2421 BUILTIN_DATA_COLLECTOR_VERSION = "B"
2423 # The source reasons for the change of state of an instance
2424 INSTANCE_REASON_SOURCE_CLI = "cli"
2425 INSTANCE_REASON_SOURCE_RAPI = "rapi"
2426 INSTANCE_REASON_SOURCE_UNKNOWN = "unknown"
2428 INSTANCE_REASON_SOURCES = compat.UniqueFrozenset([
2429 INSTANCE_REASON_SOURCE_CLI,
2430 INSTANCE_REASON_SOURCE_RAPI,
2431 INSTANCE_REASON_SOURCE_UNKNOWN,
2434 # The default reasons for the change of state of an instance
2435 INSTANCE_REASON_REBOOT = "reboot"
2437 # Do not re-export imported modules
2438 del re, _vcsversion, _autoconf, socket, pathutils, compat