4 # Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011, 2012 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
31 RELEASE_VERSION = _autoconf.PACKAGE_VERSION
35 OS_API_VERSIONS = frozenset([OS_API_V10, OS_API_V15, OS_API_V20])
36 VCS_VERSION = _vcsversion.VCS_VERSION
41 # Format for CONFIG_VERSION:
42 # 01 03 0123 = 01030123
44 # | | + Configuration version/revision
48 # It stored as an integer. Make sure not to write an octal number.
50 # BuildVersion and SplitVersion must be in here because we can't import other
51 # modules. The cfgupgrade tool must be able to read and write version numbers
52 # and thus requires these functions. To avoid code duplication, they're kept in
55 def BuildVersion(major, minor, revision):
56 """Calculates int version number from major, minor and revision numbers.
58 Returns: int representing version number
61 assert isinstance(major, int)
62 assert isinstance(minor, int)
63 assert isinstance(revision, int)
64 return (1000000 * major +
69 def SplitVersion(version):
70 """Splits version number stored in an int.
72 Returns: tuple; (major, minor, revision)
75 assert isinstance(version, int)
77 (major, remainder) = divmod(version, 1000000)
78 (minor, revision) = divmod(remainder, 10000)
80 return (major, minor, revision)
83 CONFIG_MAJOR = int(_autoconf.VERSION_MAJOR)
84 CONFIG_MINOR = int(_autoconf.VERSION_MINOR)
86 CONFIG_VERSION = BuildVersion(CONFIG_MAJOR, CONFIG_MINOR, CONFIG_REVISION)
88 #: RPC protocol version
89 PROTOCOL_VERSION = BuildVersion(CONFIG_MAJOR, CONFIG_MINOR, 0)
92 DAEMONS_GROUP = _autoconf.DAEMONS_GROUP
93 ADMIN_GROUP = _autoconf.ADMIN_GROUP
94 MASTERD_USER = _autoconf.MASTERD_USER
95 MASTERD_GROUP = _autoconf.MASTERD_GROUP
96 RAPI_USER = _autoconf.RAPI_USER
97 RAPI_GROUP = _autoconf.RAPI_GROUP
98 CONFD_USER = _autoconf.CONFD_USER
99 CONFD_GROUP = _autoconf.CONFD_GROUP
100 NODED_USER = _autoconf.NODED_USER
101 NODED_GROUP = _autoconf.NODED_GROUP
103 # cpu pinning separators and constants
104 CPU_PINNING_SEP = ":"
105 CPU_PINNING_ALL = "all"
106 # internal representation of "all"
107 CPU_PINNING_ALL_VAL = -1
108 # one "all" entry in a CPU list means CPU pinning is off
109 CPU_PINNING_OFF = [CPU_PINNING_ALL_VAL]
111 # A Xen-specific implementation detail - there is no way to actually say
112 # "use any cpu for pinning" in a Xen configuration file, as opposed to the
113 # command line, where you can say "xm vcpu-pin <domain> <vcpu> all".
114 # The workaround used in Xen is "0-63" (see source code function
115 # xm_vcpu_pin in <xen-source>/tools/python/xen/xm/main.py).
116 # To support future changes, the following constant is treated as a
117 # blackbox string that simply means use-any-cpu-for-pinning-under-xen.
118 CPU_PINNING_ALL_XEN = "0-63"
120 # A KVM-specific implementation detail - the following value is used
121 # to set CPU affinity to all processors (#0 through #31), per taskset
123 # FIXME: This only works for machines with up to 32 CPU cores
124 CPU_PINNING_ALL_KVM = 0xFFFFFFFF
128 WIPE_BLOCK_SIZE = 1024 ** 2
129 MAX_WIPE_CHUNK = 1024 # 1GB
130 MIN_WIPE_CHUNK_PERCENT = 10
134 DATA_DIR = _autoconf.LOCALSTATEDIR + "/lib/ganeti"
135 RUN_DIR = _autoconf.LOCALSTATEDIR + "/run"
136 RUN_GANETI_DIR = RUN_DIR + "/ganeti"
137 BDEV_CACHE_DIR = RUN_GANETI_DIR + "/bdev-cache"
138 DISK_LINKS_DIR = RUN_GANETI_DIR + "/instance-disks"
140 SOCKET_DIR = RUN_GANETI_DIR + "/socket"
141 SECURE_DIR_MODE = 0700
142 SECURE_FILE_MODE = 0600
143 CRYPTO_KEYS_DIR = RUN_GANETI_DIR + "/crypto"
144 IMPORT_EXPORT_DIR = RUN_GANETI_DIR + "/import-export"
145 ADOPTABLE_BLOCKDEV_ROOT = "/dev/disk/"
146 LOCK_DIR = _autoconf.LOCALSTATEDIR + "/lock"
147 SSCONF_LOCK_FILE = LOCK_DIR + "/ganeti-ssconf.lock"
148 # User-id pool lock directory
149 # The user-ids that are in use have a corresponding lock file in this directory
150 UIDPOOL_LOCKDIR = RUN_GANETI_DIR + "/uid-pool"
151 CLUSTER_CONF_FILE = DATA_DIR + "/config.data"
152 NODED_CERT_FILE = DATA_DIR + "/server.pem"
153 RAPI_CERT_FILE = DATA_DIR + "/rapi.pem"
154 CONFD_HMAC_KEY = DATA_DIR + "/hmac.key"
155 SPICE_CERT_FILE = DATA_DIR + "/spice.pem"
156 SPICE_CACERT_FILE = DATA_DIR + "/spice-ca.pem"
157 CLUSTER_DOMAIN_SECRET_FILE = DATA_DIR + "/cluster-domain-secret"
158 INSTANCE_STATUS_FILE = RUN_GANETI_DIR + "/instance-status"
159 SSH_KNOWN_HOSTS_FILE = DATA_DIR + "/known_hosts"
160 RAPI_USERS_FILE = DATA_DIR + "/rapi/users"
161 QUEUE_DIR = DATA_DIR + "/queue"
162 DAEMON_UTIL = _autoconf.PKGLIBDIR + "/daemon-util"
163 SETUP_SSH = _autoconf.TOOLSDIR + "/setup-ssh"
164 KVM_IFUP = _autoconf.PKGLIBDIR + "/kvm-ifup"
165 KVM_CONSOLE_WRAPPER = _autoconf.PKGLIBDIR + "/tools/kvm-console-wrapper"
166 XM_CONSOLE_WRAPPER = _autoconf.PKGLIBDIR + "/tools/xm-console-wrapper"
167 ETC_HOSTS = "/etc/hosts"
168 DEFAULT_FILE_STORAGE_DIR = _autoconf.FILE_STORAGE_DIR
169 DEFAULT_SHARED_FILE_STORAGE_DIR = _autoconf.SHARED_FILE_STORAGE_DIR
170 ENABLE_FILE_STORAGE = _autoconf.ENABLE_FILE_STORAGE
171 ENABLE_SHARED_FILE_STORAGE = _autoconf.ENABLE_SHARED_FILE_STORAGE
172 SYSCONFDIR = _autoconf.SYSCONFDIR
173 TOOLSDIR = _autoconf.TOOLSDIR
174 CONF_DIR = SYSCONFDIR + "/ganeti"
175 USER_SCRIPTS_DIR = CONF_DIR + "/scripts"
176 ENABLE_CONFD = _autoconf.ENABLE_CONFD
177 HS_CONFD = _autoconf.HS_CONFD
179 #: Lock file for watcher, locked in shared mode by watcher; lock in exclusive
180 # mode to block watcher (see L{cli._RunWhileClusterStoppedHelper.Call}
181 WATCHER_LOCK_FILE = LOCK_DIR + "/ganeti-watcher.lock"
183 #: Status file for per-group watcher, locked in exclusive mode by watcher
184 WATCHER_GROUP_STATE_FILE = DATA_DIR + "/watcher.%s.data"
186 #: File for per-group instance status, merged into L{INSTANCE_STATUS_FILE} by
187 #: per-group processes
188 WATCHER_GROUP_INSTANCE_STATUS_FILE = DATA_DIR + "/watcher.%s.instance-status"
190 #: File containing Unix timestamp until which watcher should be paused
191 WATCHER_PAUSEFILE = DATA_DIR + "/watcher.pause"
193 # Master IP address setup scripts paths (default and user-provided)
194 DEFAULT_MASTER_SETUP_SCRIPT = TOOLSDIR + "/master-ip-setup"
195 EXTERNAL_MASTER_SETUP_SCRIPT = USER_SCRIPTS_DIR + "/master-ip-setup"
197 ALL_CERT_FILES = frozenset([
204 MASTER_SOCKET = SOCKET_DIR + "/ganeti-master"
206 NODED = "ganeti-noded"
207 CONFD = "ganeti-confd"
209 MASTERD = "ganeti-masterd"
210 # used in the ganeti-nbma project
214 # daemon-name: ("proto", "default-port")
215 NODED: ("tcp", 1811),
216 CONFD: ("udp", 1814),
219 # used in the ganeti-nbma project
222 DEFAULT_NODED_PORT = DAEMONS_PORTS[NODED][1]
223 DEFAULT_CONFD_PORT = DAEMONS_PORTS[CONFD][1]
224 DEFAULT_RAPI_PORT = DAEMONS_PORTS[RAPI][1]
225 # used in the ganeti-nbma project
226 DEFAULT_NLD_PORT = DAEMONS_PORTS[NLD][1]
228 FIRST_DRBD_PORT = 11000
229 LAST_DRBD_PORT = 14999
231 LOG_DIR = _autoconf.LOCALSTATEDIR + "/log/ganeti/"
233 # "daemon-name": "logfile"
234 NODED: LOG_DIR + "node-daemon.log",
235 CONFD: LOG_DIR + "conf-daemon.log",
236 RAPI: LOG_DIR + "rapi-daemon.log",
237 MASTERD: LOG_DIR + "master-daemon.log",
238 # used in the ganeti-nbma project
239 NLD: LOG_DIR + "nl-daemon.log",
242 LOG_OS_DIR = LOG_DIR + "os"
243 LOG_ES_DIR = LOG_DIR + "extstorage"
244 LOG_WATCHER = LOG_DIR + "watcher.log"
245 LOG_COMMANDS = LOG_DIR + "commands.log"
246 LOG_BURNIN = LOG_DIR + "burnin.log"
247 LOG_SETUP_SSH = LOG_DIR + "setup-ssh.log"
249 DEV_CONSOLE = "/dev/console"
251 PROC_MOUNTS = "/proc/mounts"
253 # Local UniX Interface related constants
255 LUXI_VERSION = CONFIG_VERSION
257 # one of "no", "yes", "only"
258 SYSLOG_USAGE = _autoconf.SYSLOG_USAGE
262 SYSLOG_SOCKET = "/dev/log"
264 OS_SEARCH_PATH = _autoconf.OS_SEARCH_PATH
265 ES_SEARCH_PATH = _autoconf.ES_SEARCH_PATH
266 EXPORT_DIR = _autoconf.EXPORT_DIR
268 EXPORT_CONF_FILE = "config.ini"
270 XEN_BOOTLOADER = _autoconf.XEN_BOOTLOADER
271 XEN_KERNEL = _autoconf.XEN_KERNEL
272 XEN_INITRD = _autoconf.XEN_INITRD
275 # FIXME: This will be made configurable using hvparams in Ganeti 2.7
276 XEN_CMD = _autoconf.XEN_CMD
278 KVM_PATH = _autoconf.KVM_PATH
279 KVM_KERNEL = _autoconf.KVM_KERNEL
280 SOCAT_PATH = _autoconf.SOCAT_PATH
281 SOCAT_USE_ESCAPE = _autoconf.SOCAT_USE_ESCAPE
282 SOCAT_USE_COMPRESS = _autoconf.SOCAT_USE_COMPRESS
283 SOCAT_ESCAPE_CODE = "0x1d"
285 #: Console as SSH command
288 #: Console as VNC server
291 #: Console as SPICE server
294 #: Display a message for console access
298 CONS_ALL = frozenset([CONS_SSH, CONS_VNC, CONS_SPICE, CONS_MESSAGE])
300 # For RSA keys more bits are better, but they also make operations more
301 # expensive. NIST SP 800-131 recommends a minimum of 2048 bits from the year
305 # Ciphers allowed for SSL connections. For the format, see ciphers(1). A better
306 # way to disable ciphers would be to use the exclamation mark (!), but socat
307 # versions below 1.5 can't parse exclamation marks in options properly. When
308 # modifying the ciphers, ensure not to accidentially add something after it's
309 # been removed. Use the "openssl" utility to check the allowed ciphers, e.g.
310 # "openssl ciphers -v HIGH:-DES".
311 OPENSSL_CIPHERS = "HIGH:-DES:-3DES:-EXPORT:-ADH"
313 # Digest used to sign certificates ("openssl x509" uses SHA1 by default)
314 X509_CERT_SIGN_DIGEST = "SHA1"
316 # Default validity of certificates in days
317 X509_CERT_DEFAULT_VALIDITY = 365 * 5
319 # commonName (CN) used in certificates
320 X509_CERT_CN = "ganeti.example.com"
322 X509_CERT_SIGNATURE_HEADER = "X-Ganeti-Signature"
324 IMPORT_EXPORT_DAEMON = _autoconf.PKGLIBDIR + "/import-export"
326 # Import/export daemon mode
327 IEM_IMPORT = "import"
328 IEM_EXPORT = "export"
330 # Import/export transport compression
333 IEC_ALL = frozenset([
338 IE_CUSTOM_SIZE = "fd"
340 IE_MAGIC_RE = re.compile(r"^[-_.a-zA-Z0-9]{5,100}$")
343 # Direct file I/O, equivalent to a shell's I/O redirection using '<' or '>'
345 # Raw block device I/O using "dd"
346 IEIO_RAW_DISK = "raw"
347 # OS definition import/export script
348 IEIO_SCRIPT = "script"
350 VALUE_DEFAULT = "default"
352 VALUE_GENERATE = "generate"
355 VALUE_FALSE = "false"
357 # External script validation mask
358 EXT_PLUGIN_MASK = re.compile("^[a-zA-Z0-9_-]+$")
360 # hooks-related constants
361 HOOKS_BASE_DIR = CONF_DIR + "/hooks"
362 HOOKS_PHASE_PRE = "pre"
363 HOOKS_PHASE_POST = "post"
364 HOOKS_NAME_CFGUPDATE = "config-update"
365 HOOKS_NAME_WATCHER = "watcher"
367 HOOKS_PATH = "/sbin:/bin:/usr/sbin:/usr/bin"
369 # hooks subject type (what object type does the LU deal with)
370 HTYPE_CLUSTER = "CLUSTER"
372 HTYPE_GROUP = "GROUP"
373 HTYPE_INSTANCE = "INSTANCE"
374 HTYPE_NETWORK = "NETWORK"
386 # first two are valid in LU context only, not passed to backend
389 # and the rest are valid in backend
394 SF_ALLOCATABLE = "allocatable"
397 SO_FIX_CONSISTENCY = "fix-consistency"
399 # Available fields per storage type
400 VALID_STORAGE_FIELDS = frozenset([
409 VALID_STORAGE_TYPES = frozenset([ST_FILE, ST_LVM_PV, ST_LVM_VG])
411 MODIFIABLE_STORAGE_FIELDS = {
412 ST_LVM_PV: frozenset([SF_ALLOCATABLE]),
415 VALID_STORAGE_OPERATIONS = {
416 ST_LVM_VG: frozenset([SO_FIX_CONSISTENCY]),
420 # Note: Code depends on LDS_OKAY < LDS_UNKNOWN < LDS_FAULTY
423 LDS_FAULTY) = range(1, 4)
425 # disk template types
426 DT_DISKLESS = "diskless"
430 DT_SHARED_FILE = "sharedfile"
431 DT_BLOCK = "blockdev"
435 # the set of network-mirrored disk templates
436 DTS_INT_MIRROR = frozenset([DT_DRBD8])
438 # the set of externally-mirrored disk templates (e.g. SAN, NAS)
439 DTS_EXT_MIRROR = frozenset([DT_SHARED_FILE, DT_BLOCK, DT_RBD, DT_EXT])
441 # the set of non-lvm-based disk templates
442 DTS_NOT_LVM = frozenset([DT_DISKLESS, DT_FILE, DT_SHARED_FILE,
443 DT_BLOCK, DT_RBD, DT_EXT])
445 # the set of disk templates which can be grown
446 DTS_GROWABLE = frozenset([DT_PLAIN, DT_DRBD8, DT_FILE, DT_SHARED_FILE,
449 # the set of disk templates that allow adoption
450 DTS_MAY_ADOPT = frozenset([DT_PLAIN, DT_BLOCK])
452 # the set of disk templates that *must* use adoption
453 DTS_MUST_ADOPT = frozenset([DT_BLOCK])
455 # the set of disk templates that allow migrations
456 DTS_MIRRORED = frozenset.union(DTS_INT_MIRROR, DTS_EXT_MIRROR)
458 # the set of file based disk templates
459 DTS_FILEBASED = frozenset([DT_FILE, DT_SHARED_FILE])
465 LD_BLOCKDEV = "blockdev"
468 LOGICAL_DISK_TYPES = frozenset([
477 LDS_BLOCK = frozenset([LD_LV, LD_DRBD8, LD_BLOCKDEV, LD_RBD, LD_EXT])
480 DRBD_HMAC_ALG = "md5"
481 DRBD_NET_PROTOCOL = "C"
485 DRBD_B_DISK_BARRIERS = "b"
486 DRBD_B_DISK_DRAIN = "d"
487 DRBD_B_DISK_FLUSH = "f"
489 # Valid barrier combinations: "n" or any non-null subset of "bfd"
490 DRBD_VALID_BARRIER_OPT = frozenset([
491 frozenset([DRBD_B_NONE]),
492 frozenset([DRBD_B_DISK_BARRIERS]),
493 frozenset([DRBD_B_DISK_DRAIN]),
494 frozenset([DRBD_B_DISK_FLUSH]),
495 frozenset([DRBD_B_DISK_DRAIN, DRBD_B_DISK_FLUSH]),
496 frozenset([DRBD_B_DISK_DRAIN, DRBD_B_DISK_FLUSH]),
497 frozenset([DRBD_B_DISK_BARRIERS, DRBD_B_DISK_DRAIN]),
498 frozenset([DRBD_B_DISK_BARRIERS, DRBD_B_DISK_FLUSH]),
499 frozenset([DRBD_B_DISK_BARRIERS, DRBD_B_DISK_FLUSH, DRBD_B_DISK_DRAIN]),
505 # file backend driver
509 # the set of drbd-like disk types
510 LDS_DRBD = frozenset([LD_DRBD8])
515 DISK_ACCESS_SET = frozenset([DISK_RDONLY, DISK_RDWR])
517 # disk replacement mode
518 REPLACE_DISK_PRI = "replace_on_primary" # replace disks on primary
519 REPLACE_DISK_SEC = "replace_on_secondary" # replace disks on secondary
520 REPLACE_DISK_CHG = "replace_new_secondary" # change secondary node
521 REPLACE_DISK_AUTO = "replace_auto"
522 REPLACE_MODES = frozenset([
529 # Instance export mode
530 EXPORT_MODE_LOCAL = "local"
531 EXPORT_MODE_REMOTE = "remote"
532 EXPORT_MODES = frozenset([
537 # instance creation modes
538 INSTANCE_CREATE = "create"
539 INSTANCE_IMPORT = "import"
540 INSTANCE_REMOTE_IMPORT = "remote-import"
541 INSTANCE_CREATE_MODES = frozenset([
544 INSTANCE_REMOTE_IMPORT,
547 # Remote import/export handshake message and version
549 RIE_HANDSHAKE = "Hi, I'm Ganeti"
551 # Remote import/export certificate validity in seconds
552 RIE_CERT_VALIDITY = 24 * 60 * 60
554 # Overall timeout for establishing connection
555 RIE_CONNECT_TIMEOUT = 180
557 # Export only: how long to wait per connection attempt (seconds)
558 RIE_CONNECT_ATTEMPT_TIMEOUT = 20
560 # Export only: number of attempts to connect
561 RIE_CONNECT_RETRIES = 10
563 #: Give child process up to 5 seconds to exit after sending a signal
564 CHILD_LINGER_TIMEOUT = 5.0
566 DISK_TEMPLATES = frozenset([
577 FILE_DRIVER = frozenset([FD_LOOP, FD_BLKTAP])
579 # import/export config options
580 INISECT_EXP = "export"
581 INISECT_INS = "instance"
582 INISECT_HYP = "hypervisor"
583 INISECT_BEP = "backend"
586 # dynamic device modification
588 DDM_MODIFY = "modify"
589 DDM_REMOVE = "remove"
590 DDMS_VALUES = frozenset([DDM_ADD, DDM_REMOVE])
591 DDMS_VALUES_WITH_MODIFY = (DDMS_VALUES | frozenset([
594 # TODO: DDM_SWAP, DDM_MOVE?
601 EXIT_NODESETUP_ERROR = 12
602 EXIT_CONFIRMATION = 13 # need user confirmation
604 #: Exit code for query operations with unknown fields
605 EXIT_UNKNOWN_FIELD = 14
608 TAG_CLUSTER = "cluster"
609 TAG_NODEGROUP = "nodegroup"
611 TAG_INSTANCE = "instance"
612 TAG_NETWORK = "network"
613 VALID_TAG_TYPES = frozenset([
621 MAX_TAGS_PER_OBJ = 4096
624 DEFAULT_BRIDGE = "xen-br0"
625 CLASSIC_DRBD_SYNC_SPEED = 60 * 1024 # 60 MiB, expressed in KiB
626 IP4_ADDRESS_LOCALHOST = "127.0.0.1"
627 IP4_ADDRESS_ANY = "0.0.0.0"
628 IP6_ADDRESS_LOCALHOST = "::1"
629 IP6_ADDRESS_ANY = "::"
632 VALID_IP_VERSIONS = frozenset([IP4_VERSION, IP6_VERSION])
633 # for export to htools
634 IP4_FAMILY = socket.AF_INET
635 IP6_FAMILY = socket.AF_INET6
637 TCP_PING_TIMEOUT = 10
638 GANETI_RUNAS = "root"
640 DEFAULT_DRBD_HELPER = "/bin/true"
642 DEFAULT_MAC_PREFIX = "aa:00:00"
643 # default maximum instance wait time, in seconds.
644 DEFAULT_SHUTDOWN_TIMEOUT = 120
645 NODE_MAX_CLOCK_SKEW = 150
646 # Time for an intra-cluster disk transfer to wait for a connection
647 DISK_TRANSFER_CONNECT_TIMEOUT = 60
648 # Disk index separator
649 DISK_SEPARATOR = _autoconf.DISK_SEPARATOR
650 IP_COMMAND_PATH = _autoconf.IP_PATH
652 #: Key for job IDs in opcode result
658 RUNPARTS_ERR) = range(3)
660 RUNPARTS_STATUS = frozenset([RUNPARTS_SKIP, RUNPARTS_RUN, RUNPARTS_ERR])
664 RPC_ENCODING_ZLIB_BASE64) = range(2)
666 # os related constants
667 OS_SCRIPT_CREATE = "create"
668 OS_SCRIPT_IMPORT = "import"
669 OS_SCRIPT_EXPORT = "export"
670 OS_SCRIPT_RENAME = "rename"
671 OS_SCRIPT_VERIFY = "verify"
672 OS_SCRIPTS = frozenset([
680 OS_API_FILE = "ganeti_api_version"
681 OS_VARIANTS_FILE = "variants.list"
682 OS_PARAMETERS_FILE = "parameters.list"
684 OS_VALIDATE_PARAMETERS = "parameters"
685 OS_VALIDATE_CALLS = frozenset([OS_VALIDATE_PARAMETERS])
687 # External Storage (ES) related constants
688 ES_ACTION_CREATE = "create"
689 ES_ACTION_REMOVE = "remove"
690 ES_ACTION_GROW = "grow"
691 ES_ACTION_ATTACH = "attach"
692 ES_ACTION_DETACH = "detach"
693 ES_ACTION_VERIFY = "verify"
695 ES_SCRIPT_CREATE = ES_ACTION_CREATE
696 ES_SCRIPT_REMOVE = ES_ACTION_REMOVE
697 ES_SCRIPT_GROW = ES_ACTION_GROW
698 ES_SCRIPT_ATTACH = ES_ACTION_ATTACH
699 ES_SCRIPT_DETACH = ES_ACTION_DETACH
700 ES_SCRIPT_VERIFY = ES_ACTION_VERIFY
701 ES_SCRIPTS = frozenset([
710 ES_PARAMETERS_FILE = "parameters.list"
713 SSH_CONFIG_DIR = _autoconf.SSH_CONFIG_DIR
714 SSH_HOST_DSA_PRIV = SSH_CONFIG_DIR + "/ssh_host_dsa_key"
715 SSH_HOST_DSA_PUB = SSH_HOST_DSA_PRIV + ".pub"
716 SSH_HOST_RSA_PRIV = SSH_CONFIG_DIR + "/ssh_host_rsa_key"
717 SSH_HOST_RSA_PUB = SSH_HOST_RSA_PRIV + ".pub"
722 INSTANCE_REBOOT_SOFT = "soft"
723 INSTANCE_REBOOT_HARD = "hard"
724 INSTANCE_REBOOT_FULL = "full"
726 REBOOT_TYPES = frozenset([
727 INSTANCE_REBOOT_SOFT,
728 INSTANCE_REBOOT_HARD,
732 # instance reboot behaviors
733 INSTANCE_REBOOT_ALLOWED = "reboot"
734 INSTANCE_REBOOT_EXIT = "exit"
736 REBOOT_BEHAVIORS = frozenset([
737 INSTANCE_REBOOT_ALLOWED,
741 VTYPE_STRING = "string"
742 VTYPE_MAYBE_STRING = "maybe-string"
744 VTYPE_SIZE = "size" # size, in MiBs
746 ENFORCEABLE_TYPES = frozenset([
754 # Constant representing that the user does not specify any IP version
755 IFACE_NO_IP_VERSION_SPECIFIED = 0
757 # HV parameter names (global namespace)
758 HV_BOOT_ORDER = "boot_order"
759 HV_CDROM_IMAGE_PATH = "cdrom_image_path"
760 HV_KVM_CDROM2_IMAGE_PATH = "cdrom2_image_path"
761 HV_KVM_FLOPPY_IMAGE_PATH = "floppy_image_path"
762 HV_NIC_TYPE = "nic_type"
763 HV_DISK_TYPE = "disk_type"
764 HV_KVM_CDROM_DISK_TYPE = "cdrom_disk_type"
765 HV_VNC_BIND_ADDRESS = "vnc_bind_address"
766 HV_VNC_PASSWORD_FILE = "vnc_password_file"
767 HV_VNC_TLS = "vnc_tls"
768 HV_VNC_X509 = "vnc_x509_path"
769 HV_VNC_X509_VERIFY = "vnc_x509_verify"
770 HV_KVM_SPICE_BIND = "spice_bind"
771 HV_KVM_SPICE_IP_VERSION = "spice_ip_version"
772 HV_KVM_SPICE_PASSWORD_FILE = "spice_password_file"
773 HV_KVM_SPICE_LOSSLESS_IMG_COMPR = "spice_image_compression"
774 HV_KVM_SPICE_JPEG_IMG_COMPR = "spice_jpeg_wan_compression"
775 HV_KVM_SPICE_ZLIB_GLZ_IMG_COMPR = "spice_zlib_glz_wan_compression"
776 HV_KVM_SPICE_STREAMING_VIDEO_DETECTION = "spice_streaming_video"
777 HV_KVM_SPICE_AUDIO_COMPR = "spice_playback_compression"
778 HV_KVM_SPICE_USE_TLS = "spice_use_tls"
779 HV_KVM_SPICE_TLS_CIPHERS = "spice_tls_ciphers"
780 HV_KVM_SPICE_USE_VDAGENT = "spice_use_vdagent"
783 HV_USE_BOOTLOADER = "use_bootloader"
784 HV_BOOTLOADER_ARGS = "bootloader_args"
785 HV_BOOTLOADER_PATH = "bootloader_path"
786 HV_KERNEL_ARGS = "kernel_args"
787 HV_KERNEL_PATH = "kernel_path"
788 HV_INITRD_PATH = "initrd_path"
789 HV_ROOT_PATH = "root_path"
790 HV_SERIAL_CONSOLE = "serial_console"
791 HV_USB_MOUSE = "usb_mouse"
793 HV_DEVICE_MODEL = "device_model"
794 HV_INIT_SCRIPT = "init_script"
795 HV_MIGRATION_PORT = "migration_port"
796 HV_MIGRATION_BANDWIDTH = "migration_bandwidth"
797 HV_MIGRATION_DOWNTIME = "migration_downtime"
798 HV_MIGRATION_MODE = "migration_mode"
799 HV_USE_LOCALTIME = "use_localtime"
800 HV_DISK_CACHE = "disk_cache"
801 HV_SECURITY_MODEL = "security_model"
802 HV_SECURITY_DOMAIN = "security_domain"
803 HV_KVM_FLAG = "kvm_flag"
804 HV_VHOST_NET = "vhost_net"
805 HV_KVM_USE_CHROOT = "use_chroot"
806 HV_CPU_MASK = "cpu_mask"
807 HV_MEM_PATH = "mem_path"
808 HV_BLOCKDEV_PREFIX = "blockdev_prefix"
809 HV_REBOOT_BEHAVIOR = "reboot_behavior"
811 HVS_PARAMETER_TYPES = {
812 HV_BOOT_ORDER: VTYPE_STRING,
813 HV_KVM_FLOPPY_IMAGE_PATH: VTYPE_STRING,
814 HV_CDROM_IMAGE_PATH: VTYPE_STRING,
815 HV_KVM_CDROM2_IMAGE_PATH: VTYPE_STRING,
816 HV_NIC_TYPE: VTYPE_STRING,
817 HV_DISK_TYPE: VTYPE_STRING,
818 HV_KVM_CDROM_DISK_TYPE: VTYPE_STRING,
819 HV_VNC_PASSWORD_FILE: VTYPE_STRING,
820 HV_VNC_BIND_ADDRESS: VTYPE_STRING,
821 HV_VNC_TLS: VTYPE_BOOL,
822 HV_VNC_X509: VTYPE_STRING,
823 HV_VNC_X509_VERIFY: VTYPE_BOOL,
824 HV_KVM_SPICE_BIND: VTYPE_STRING,
825 HV_KVM_SPICE_IP_VERSION: VTYPE_INT,
826 HV_KVM_SPICE_PASSWORD_FILE: VTYPE_STRING,
827 HV_KVM_SPICE_LOSSLESS_IMG_COMPR: VTYPE_STRING,
828 HV_KVM_SPICE_JPEG_IMG_COMPR: VTYPE_STRING,
829 HV_KVM_SPICE_ZLIB_GLZ_IMG_COMPR: VTYPE_STRING,
830 HV_KVM_SPICE_STREAMING_VIDEO_DETECTION: VTYPE_STRING,
831 HV_KVM_SPICE_AUDIO_COMPR: VTYPE_BOOL,
832 HV_KVM_SPICE_USE_TLS: VTYPE_BOOL,
833 HV_KVM_SPICE_TLS_CIPHERS: VTYPE_STRING,
834 HV_KVM_SPICE_USE_VDAGENT: VTYPE_BOOL,
837 HV_USE_BOOTLOADER: VTYPE_BOOL,
838 HV_BOOTLOADER_PATH: VTYPE_STRING,
839 HV_BOOTLOADER_ARGS: VTYPE_STRING,
840 HV_KERNEL_PATH: VTYPE_STRING,
841 HV_KERNEL_ARGS: VTYPE_STRING,
842 HV_INITRD_PATH: VTYPE_STRING,
843 HV_ROOT_PATH: VTYPE_MAYBE_STRING,
844 HV_SERIAL_CONSOLE: VTYPE_BOOL,
845 HV_USB_MOUSE: VTYPE_STRING,
846 HV_KEYMAP: VTYPE_STRING,
847 HV_DEVICE_MODEL: VTYPE_STRING,
848 HV_INIT_SCRIPT: VTYPE_STRING,
849 HV_MIGRATION_PORT: VTYPE_INT,
850 HV_MIGRATION_BANDWIDTH: VTYPE_INT,
851 HV_MIGRATION_DOWNTIME: VTYPE_INT,
852 HV_MIGRATION_MODE: VTYPE_STRING,
853 HV_USE_LOCALTIME: VTYPE_BOOL,
854 HV_DISK_CACHE: VTYPE_STRING,
855 HV_SECURITY_MODEL: VTYPE_STRING,
856 HV_SECURITY_DOMAIN: VTYPE_STRING,
857 HV_KVM_FLAG: VTYPE_STRING,
858 HV_VHOST_NET: VTYPE_BOOL,
859 HV_KVM_USE_CHROOT: VTYPE_BOOL,
860 HV_CPU_MASK: VTYPE_STRING,
861 HV_MEM_PATH: VTYPE_STRING,
862 HV_BLOCKDEV_PREFIX: VTYPE_STRING,
863 HV_REBOOT_BEHAVIOR: VTYPE_STRING,
866 HVS_PARAMETERS = frozenset(HVS_PARAMETER_TYPES.keys())
869 HV_MIGRATION_COMPLETED = "completed"
870 HV_MIGRATION_ACTIVE = "active"
871 HV_MIGRATION_FAILED = "failed"
872 HV_MIGRATION_CANCELLED = "cancelled"
874 HV_MIGRATION_VALID_STATUSES = frozenset([
875 HV_MIGRATION_COMPLETED,
878 HV_MIGRATION_CANCELLED,
881 HV_MIGRATION_FAILED_STATUSES = frozenset([
883 HV_MIGRATION_CANCELLED,
886 # KVM-specific statuses
887 HV_KVM_MIGRATION_VALID_STATUSES = HV_MIGRATION_VALID_STATUSES
890 HV_NODEINFO_KEY_VERSION = "hv_version"
893 HVST_MEMORY_TOTAL = "mem_total"
894 HVST_MEMORY_NODE = "mem_node"
895 HVST_MEMORY_HV = "mem_hv"
896 HVST_CPU_TOTAL = "cpu_total"
897 HVST_CPU_NODE = "cpu_node"
900 HVST_MEMORY_TOTAL: 0,
907 HVSTS_PARAMETER_TYPES = {
908 HVST_MEMORY_TOTAL: VTYPE_INT,
909 HVST_MEMORY_NODE: VTYPE_INT,
910 HVST_MEMORY_HV: VTYPE_INT,
911 HVST_CPU_TOTAL: VTYPE_INT,
912 HVST_CPU_NODE: VTYPE_INT,
915 HVSTS_PARAMETERS = frozenset(HVSTS_PARAMETER_TYPES.keys())
918 DS_DISK_TOTAL = "disk_total"
919 DS_DISK_RESERVED = "disk_reserved"
920 DS_DISK_OVERHEAD = "disk_overhead"
928 DSS_PARAMETER_TYPES = {
929 DS_DISK_TOTAL: VTYPE_INT,
930 DS_DISK_RESERVED: VTYPE_INT,
931 DS_DISK_OVERHEAD: VTYPE_INT,
934 DSS_PARAMETERS = frozenset(DSS_PARAMETER_TYPES.keys())
935 DS_VALID_TYPES = frozenset([LD_LV])
937 # Backend parameter names
938 BE_MEMORY = "memory" # deprecated and replaced by max and min mem
942 BE_AUTO_BALANCE = "auto_balance"
943 BE_ALWAYS_FAILOVER = "always_failover"
944 BE_SPINDLE_USE = "spindle_use"
946 BES_PARAMETER_TYPES = {
947 BE_MAXMEM: VTYPE_SIZE,
948 BE_MINMEM: VTYPE_SIZE,
950 BE_AUTO_BALANCE: VTYPE_BOOL,
951 BE_ALWAYS_FAILOVER: VTYPE_BOOL,
952 BE_SPINDLE_USE: VTYPE_INT,
955 BES_PARAMETER_COMPAT = {
956 BE_MEMORY: VTYPE_SIZE,
958 BES_PARAMETER_COMPAT.update(BES_PARAMETER_TYPES)
960 BES_PARAMETERS = frozenset(BES_PARAMETER_TYPES.keys())
963 ISPEC_MEM_SIZE = "memory-size"
964 ISPEC_CPU_COUNT = "cpu-count"
965 ISPEC_DISK_COUNT = "disk-count"
966 ISPEC_DISK_SIZE = "disk-size"
967 ISPEC_NIC_COUNT = "nic-count"
968 ISPEC_SPINDLE_USE = "spindle-use"
970 ISPECS_PARAMETER_TYPES = {
971 ISPEC_MEM_SIZE: VTYPE_INT,
972 ISPEC_CPU_COUNT: VTYPE_INT,
973 ISPEC_DISK_COUNT: VTYPE_INT,
974 ISPEC_DISK_SIZE: VTYPE_INT,
975 ISPEC_NIC_COUNT: VTYPE_INT,
976 ISPEC_SPINDLE_USE: VTYPE_INT,
979 ISPECS_PARAMETERS = frozenset(ISPECS_PARAMETER_TYPES.keys())
984 IPOLICY_DTS = "disk-templates"
985 IPOLICY_VCPU_RATIO = "vcpu-ratio"
986 IPOLICY_SPINDLE_RATIO = "spindle-ratio"
988 IPOLICY_ISPECS = frozenset([
994 IPOLICY_PARAMETERS = frozenset([
996 IPOLICY_SPINDLE_RATIO,
999 IPOLICY_ALL_KEYS = (IPOLICY_ISPECS |
1000 IPOLICY_PARAMETERS |
1001 frozenset([IPOLICY_DTS]))
1003 # Node parameter names
1004 ND_OOB_PROGRAM = "oob_program"
1005 ND_SPINDLE_COUNT = "spindle_count"
1007 NDS_PARAMETER_TYPES = {
1008 ND_OOB_PROGRAM: VTYPE_MAYBE_STRING,
1009 ND_SPINDLE_COUNT: VTYPE_INT,
1012 NDS_PARAMETERS = frozenset(NDS_PARAMETER_TYPES.keys())
1014 # Logical Disks parameters
1015 LDP_RESYNC_RATE = "resync-rate"
1016 LDP_STRIPES = "stripes"
1017 LDP_BARRIERS = "disabled-barriers"
1018 LDP_NO_META_FLUSH = "disable-meta-flush"
1019 LDP_DEFAULT_METAVG = "default-metavg"
1020 LDP_DISK_CUSTOM = "disk-custom"
1021 LDP_NET_CUSTOM = "net-custom"
1022 LDP_DYNAMIC_RESYNC = "dynamic-resync"
1023 LDP_PLAN_AHEAD = "c-plan-ahead"
1024 LDP_FILL_TARGET = "c-fill-target"
1025 LDP_DELAY_TARGET = "c-delay-target"
1026 LDP_MAX_RATE = "c-max-rate"
1027 LDP_MIN_RATE = "c-min-rate"
1030 LDP_RESYNC_RATE: VTYPE_INT,
1031 LDP_STRIPES: VTYPE_INT,
1032 LDP_BARRIERS: VTYPE_STRING,
1033 LDP_NO_META_FLUSH: VTYPE_BOOL,
1034 LDP_DEFAULT_METAVG: VTYPE_STRING,
1035 LDP_DISK_CUSTOM: VTYPE_STRING,
1036 LDP_NET_CUSTOM: VTYPE_STRING,
1037 LDP_DYNAMIC_RESYNC: VTYPE_BOOL,
1038 LDP_PLAN_AHEAD: VTYPE_INT,
1039 LDP_FILL_TARGET: VTYPE_INT,
1040 LDP_DELAY_TARGET: VTYPE_INT,
1041 LDP_MAX_RATE: VTYPE_INT,
1042 LDP_MIN_RATE: VTYPE_INT,
1043 LDP_POOL: VTYPE_STRING,
1045 DISK_LD_PARAMETERS = frozenset(DISK_LD_TYPES.keys())
1047 # Disk template parameters (can be set/changed by the user via gnt-cluster and
1049 DRBD_RESYNC_RATE = "resync-rate"
1050 DRBD_DATA_STRIPES = "data-stripes"
1051 DRBD_META_STRIPES = "meta-stripes"
1052 DRBD_DISK_BARRIERS = "disk-barriers"
1053 DRBD_META_BARRIERS = "meta-barriers"
1054 DRBD_DEFAULT_METAVG = "metavg"
1055 DRBD_DISK_CUSTOM = "disk-custom"
1056 DRBD_NET_CUSTOM = "net-custom"
1057 DRBD_DYNAMIC_RESYNC = "dynamic-resync"
1058 DRBD_PLAN_AHEAD = "c-plan-ahead"
1059 DRBD_FILL_TARGET = "c-fill-target"
1060 DRBD_DELAY_TARGET = "c-delay-target"
1061 DRBD_MAX_RATE = "c-max-rate"
1062 DRBD_MIN_RATE = "c-min-rate"
1063 LV_STRIPES = "stripes"
1066 DRBD_RESYNC_RATE: VTYPE_INT,
1067 DRBD_DATA_STRIPES: VTYPE_INT,
1068 DRBD_META_STRIPES: VTYPE_INT,
1069 DRBD_DISK_BARRIERS: VTYPE_STRING,
1070 DRBD_META_BARRIERS: VTYPE_BOOL,
1071 DRBD_DEFAULT_METAVG: VTYPE_STRING,
1072 DRBD_DISK_CUSTOM: VTYPE_STRING,
1073 DRBD_NET_CUSTOM: VTYPE_STRING,
1074 DRBD_DYNAMIC_RESYNC: VTYPE_BOOL,
1075 DRBD_PLAN_AHEAD: VTYPE_INT,
1076 DRBD_FILL_TARGET: VTYPE_INT,
1077 DRBD_DELAY_TARGET: VTYPE_INT,
1078 DRBD_MAX_RATE: VTYPE_INT,
1079 DRBD_MIN_RATE: VTYPE_INT,
1080 LV_STRIPES: VTYPE_INT,
1081 RBD_POOL: VTYPE_STRING,
1084 DISK_DT_PARAMETERS = frozenset(DISK_DT_TYPES.keys())
1086 # OOB supported commands
1087 OOB_POWER_ON = "power-on"
1088 OOB_POWER_OFF = "power-off"
1089 OOB_POWER_CYCLE = "power-cycle"
1090 OOB_POWER_STATUS = "power-status"
1091 OOB_HEALTH = "health"
1093 OOB_COMMANDS = frozenset([
1101 OOB_POWER_STATUS_POWERED = "powered"
1103 OOB_TIMEOUT = 60 # 60 seconds
1104 OOB_POWER_DELAY = 2.0 # 2 seconds
1106 OOB_STATUS_OK = "OK"
1107 OOB_STATUS_WARNING = "WARNING"
1108 OOB_STATUS_CRITICAL = "CRITICAL"
1109 OOB_STATUS_UNKNOWN = "UNKNOWN"
1111 OOB_STATUSES = frozenset([
1114 OOB_STATUS_CRITICAL,
1118 # Instance Parameters Profile
1119 PP_DEFAULT = "default"
1121 # NIC_* constants are used inside the ganeti config
1125 NIC_MODE_BRIDGED = "bridged"
1126 NIC_MODE_ROUTED = "routed"
1127 NIC_IP_POOL = "pool"
1129 NIC_VALID_MODES = frozenset([NIC_MODE_BRIDGED, NIC_MODE_ROUTED])
1131 RESERVE_ACTION = 'reserve'
1132 RELEASE_ACTION = 'release'
1134 # An extra description of the network.
1135 # Can be used by hooks/kvm-vif-bridge to apply different rules
1136 NETWORK_TYPE_PRIVATE = "private"
1137 NETWORK_TYPE_PUBLIC = "public"
1139 NETWORK_VALID_TYPES = frozenset([NETWORK_TYPE_PRIVATE, NETWORK_TYPE_PUBLIC])
1141 NICS_PARAMETER_TYPES = {
1142 NIC_MODE: VTYPE_STRING,
1143 NIC_LINK: VTYPE_STRING,
1146 NICS_PARAMETERS = frozenset(NICS_PARAMETER_TYPES.keys())
1148 # IDISK_* constants are used in opcodes, to create/change disks
1151 IDISK_ADOPT = "adopt"
1153 IDISK_METAVG = "metavg"
1154 IDISK_PROVIDER = "provider"
1155 IDISK_PARAMS_TYPES = {
1156 IDISK_SIZE: VTYPE_SIZE,
1157 IDISK_MODE: VTYPE_STRING,
1158 IDISK_ADOPT: VTYPE_STRING,
1159 IDISK_VG: VTYPE_STRING,
1160 IDISK_METAVG: VTYPE_STRING,
1161 IDISK_PROVIDER: VTYPE_STRING,
1163 IDISK_PARAMS = frozenset(IDISK_PARAMS_TYPES.keys())
1165 # INIC_* constants are used in opcodes, to create/change nics
1170 INIC_NETWORK = "network"
1171 INIC_PARAMS_TYPES = {
1172 INIC_IP: VTYPE_MAYBE_STRING,
1173 INIC_LINK: VTYPE_STRING,
1174 INIC_MAC: VTYPE_STRING,
1175 INIC_MODE: VTYPE_STRING,
1176 INIC_NETWORK: VTYPE_MAYBE_STRING,
1178 INIC_PARAMS = frozenset(INIC_PARAMS_TYPES.keys())
1180 # Hypervisor constants
1181 HT_XEN_PVM = "xen-pvm"
1183 HT_XEN_HVM = "xen-hvm"
1185 HT_CHROOT = "chroot"
1187 HYPER_TYPES = frozenset([
1195 HTS_REQ_PORT = frozenset([HT_XEN_HVM, HT_KVM])
1197 VNC_BASE_PORT = 5900
1198 VNC_PASSWORD_FILE = CONF_DIR + "/vnc-cluster-password"
1199 VNC_DEFAULT_BIND_ADDRESS = IP4_ADDRESS_ANY
1202 HT_NIC_RTL8139 = "rtl8139"
1203 HT_NIC_NE2K_PCI = "ne2k_pci"
1204 HT_NIC_NE2K_ISA = "ne2k_isa"
1205 HT_NIC_I82551 = "i82551"
1206 HT_NIC_I85557B = "i82557b"
1207 HT_NIC_I8259ER = "i82559er"
1208 HT_NIC_PCNET = "pcnet"
1209 HT_NIC_E1000 = "e1000"
1210 HT_NIC_PARAVIRTUAL = HT_DISK_PARAVIRTUAL = "paravirtual"
1212 HT_HVM_VALID_NIC_TYPES = frozenset([
1219 HT_KVM_VALID_NIC_TYPES = frozenset([
1232 HT_DISK_IOEMU = "ioemu"
1234 HT_DISK_SCSI = "scsi"
1237 HT_DISK_PFLASH = "pflash"
1239 HT_CACHE_DEFAULT = "default"
1240 HT_CACHE_NONE = "none"
1241 HT_CACHE_WTHROUGH = "writethrough"
1242 HT_CACHE_WBACK = "writeback"
1243 HT_VALID_CACHE_TYPES = frozenset([
1250 HT_HVM_VALID_DISK_TYPES = frozenset([HT_DISK_PARAVIRTUAL, HT_DISK_IOEMU])
1251 HT_KVM_VALID_DISK_TYPES = frozenset([
1252 HT_DISK_PARAVIRTUAL,
1261 HT_MOUSE_MOUSE = "mouse"
1262 HT_MOUSE_TABLET = "tablet"
1264 HT_KVM_VALID_MOUSE_TYPES = frozenset([HT_MOUSE_MOUSE, HT_MOUSE_TABLET])
1267 HT_BO_FLOPPY = "floppy"
1268 HT_BO_CDROM = "cdrom"
1270 HT_BO_NETWORK = "network"
1272 HT_KVM_VALID_BO_TYPES = frozenset([
1279 # SPICE lossless image compression options
1280 HT_KVM_SPICE_LOSSLESS_IMG_COMPR_AUTO_GLZ = "auto_glz"
1281 HT_KVM_SPICE_LOSSLESS_IMG_COMPR_AUTO_LZ = "auto_lz"
1282 HT_KVM_SPICE_LOSSLESS_IMG_COMPR_QUIC = "quic"
1283 HT_KVM_SPICE_LOSSLESS_IMG_COMPR_GLZ = "glz"
1284 HT_KVM_SPICE_LOSSLESS_IMG_COMPR_LZ = "lz"
1285 HT_KVM_SPICE_LOSSLESS_IMG_COMPR_OFF = "off"
1287 HT_KVM_SPICE_VALID_LOSSLESS_IMG_COMPR_OPTIONS = frozenset([
1288 HT_KVM_SPICE_LOSSLESS_IMG_COMPR_AUTO_GLZ,
1289 HT_KVM_SPICE_LOSSLESS_IMG_COMPR_AUTO_LZ,
1290 HT_KVM_SPICE_LOSSLESS_IMG_COMPR_QUIC,
1291 HT_KVM_SPICE_LOSSLESS_IMG_COMPR_GLZ,
1292 HT_KVM_SPICE_LOSSLESS_IMG_COMPR_LZ,
1293 HT_KVM_SPICE_LOSSLESS_IMG_COMPR_OFF,
1296 # SPICE lossy image compression options (valid for both jpeg and zlib-glz)
1297 HT_KVM_SPICE_LOSSY_IMG_COMPR_AUTO = "auto"
1298 HT_KVM_SPICE_LOSSY_IMG_COMPR_NEVER = "never"
1299 HT_KVM_SPICE_LOSSY_IMG_COMPR_ALWAYS = "always"
1301 HT_KVM_SPICE_VALID_LOSSY_IMG_COMPR_OPTIONS = frozenset([
1302 HT_KVM_SPICE_LOSSY_IMG_COMPR_AUTO,
1303 HT_KVM_SPICE_LOSSY_IMG_COMPR_NEVER,
1304 HT_KVM_SPICE_LOSSY_IMG_COMPR_ALWAYS,
1307 # SPICE video stream detection
1308 HT_KVM_SPICE_VIDEO_STREAM_DETECTION_OFF = "off"
1309 HT_KVM_SPICE_VIDEO_STREAM_DETECTION_ALL = "all"
1310 HT_KVM_SPICE_VIDEO_STREAM_DETECTION_FILTER = "filter"
1312 HT_KVM_SPICE_VALID_VIDEO_STREAM_DETECTION_OPTIONS = frozenset([
1313 HT_KVM_SPICE_VIDEO_STREAM_DETECTION_OFF,
1314 HT_KVM_SPICE_VIDEO_STREAM_DETECTION_ALL,
1315 HT_KVM_SPICE_VIDEO_STREAM_DETECTION_FILTER,
1323 HT_KVM_VALID_SM_TYPES = frozenset([HT_SM_NONE, HT_SM_USER, HT_SM_POOL])
1326 HT_KVM_ENABLED = "enabled"
1327 HT_KVM_DISABLED = "disabled"
1329 HT_KVM_FLAG_VALUES = frozenset([HT_KVM_ENABLED, HT_KVM_DISABLED])
1332 HT_MIGRATION_LIVE = "live"
1333 HT_MIGRATION_NONLIVE = "non-live"
1334 HT_MIGRATION_MODES = frozenset([HT_MIGRATION_LIVE, HT_MIGRATION_NONLIVE])
1336 # Cluster Verify steps
1337 VERIFY_NPLUSONE_MEM = "nplusone_mem"
1338 VERIFY_OPTIONAL_CHECKS = frozenset([VERIFY_NPLUSONE_MEM])
1340 # Cluster Verify error classes
1341 CV_TCLUSTER = "cluster"
1343 CV_TINSTANCE = "instance"
1345 # Cluster Verify error codes and documentation
1347 (CV_TCLUSTER, "ECLUSTERCFG", "Cluster configuration verification failure")
1349 (CV_TCLUSTER, "ECLUSTERCERT",
1350 "Cluster certificate files verification failure")
1351 CV_ECLUSTERFILECHECK = \
1352 (CV_TCLUSTER, "ECLUSTERFILECHECK",
1353 "Cluster configuration verification failure")
1354 CV_ECLUSTERDANGLINGNODES = \
1355 (CV_TNODE, "ECLUSTERDANGLINGNODES",
1356 "Some nodes belong to non-existing groups")
1357 CV_ECLUSTERDANGLINGINST = \
1358 (CV_TNODE, "ECLUSTERDANGLINGINST",
1359 "Some instances have a non-existing primary node")
1360 CV_EINSTANCEBADNODE = \
1361 (CV_TINSTANCE, "EINSTANCEBADNODE",
1362 "Instance marked as running lives on an offline node")
1363 CV_EINSTANCEDOWN = \
1364 (CV_TINSTANCE, "EINSTANCEDOWN", "Instance not running on its primary node")
1365 CV_EINSTANCELAYOUT = \
1366 (CV_TINSTANCE, "EINSTANCELAYOUT", "Instance has multiple secondary nodes")
1367 CV_EINSTANCEMISSINGDISK = \
1368 (CV_TINSTANCE, "EINSTANCEMISSINGDISK", "Missing volume on an instance")
1369 CV_EINSTANCEFAULTYDISK = \
1370 (CV_TINSTANCE, "EINSTANCEFAULTYDISK",
1371 "Impossible to retrieve status for a disk")
1372 CV_EINSTANCEWRONGNODE = \
1373 (CV_TINSTANCE, "EINSTANCEWRONGNODE", "Instance running on the wrong node")
1374 CV_EINSTANCESPLITGROUPS = \
1375 (CV_TINSTANCE, "EINSTANCESPLITGROUPS",
1376 "Instance with primary and secondary nodes in different groups")
1377 CV_EINSTANCEPOLICY = \
1378 (CV_TINSTANCE, "EINSTANCEPOLICY",
1379 "Instance does not meet policy")
1381 (CV_TNODE, "ENODEDRBD", "Error parsing the DRBD status file")
1382 CV_ENODEDRBDHELPER = \
1383 (CV_TNODE, "ENODEDRBDHELPER", "Error caused by the DRBD helper")
1384 CV_ENODEFILECHECK = \
1385 (CV_TNODE, "ENODEFILECHECK",
1386 "Error retrieving the checksum of the node files")
1388 (CV_TNODE, "ENODEHOOKS", "Communication failure in hooks execution")
1390 (CV_TNODE, "ENODEHV", "Hypervisor parameters verification failure")
1392 (CV_TNODE, "ENODELVM", "LVM-related node error")
1394 (CV_TNODE, "ENODEN1", "Not enough memory to accommodate instance failovers")
1396 (CV_TNODE, "ENODENET", "Network-related node error")
1398 (CV_TNODE, "ENODEOS", "OS-related node error")
1399 CV_ENODEORPHANINSTANCE = \
1400 (CV_TNODE, "ENODEORPHANINSTANCE", "Unknown intance running on a node")
1401 CV_ENODEORPHANLV = \
1402 (CV_TNODE, "ENODEORPHANLV", "Unknown LVM logical volume")
1404 (CV_TNODE, "ENODERPC",
1405 "Error during connection to the primary node of an instance")
1407 (CV_TNODE, "ENODESSH", "SSH-related node error")
1409 (CV_TNODE, "ENODEVERSION",
1410 "Protocol version mismatch or Ganeti version mismatch")
1412 (CV_TNODE, "ENODESETUP", "Node setup error")
1414 (CV_TNODE, "ENODETIME", "Node returned invalid time")
1416 (CV_TNODE, "ENODEOOBPATH", "Invalid Out Of Band path")
1417 CV_ENODEUSERSCRIPTS = \
1418 (CV_TNODE, "ENODEUSERSCRIPTS", "User scripts not present or not executable")
1420 CV_ALL_ECODES = frozenset([
1423 CV_ECLUSTERFILECHECK,
1424 CV_ECLUSTERDANGLINGNODES,
1425 CV_ECLUSTERDANGLINGINST,
1426 CV_EINSTANCEBADNODE,
1429 CV_EINSTANCEMISSINGDISK,
1430 CV_EINSTANCEFAULTYDISK,
1431 CV_EINSTANCEWRONGNODE,
1432 CV_EINSTANCESPLITGROUPS,
1443 CV_ENODEORPHANINSTANCE,
1451 CV_ENODEUSERSCRIPTS,
1454 CV_ALL_ECODES_STRINGS = frozenset(estr for (_, estr, _) in CV_ALL_ECODES)
1456 # Node verify constants
1457 NV_DRBDHELPER = "drbd-helper"
1458 NV_DRBDLIST = "drbd-list"
1459 NV_FILELIST = "filelist"
1460 NV_HVINFO = "hvinfo"
1461 NV_HYPERVISOR = "hypervisor"
1462 NV_HVPARAMS = "hvparms"
1463 NV_INSTANCELIST = "instancelist"
1464 NV_LVLIST = "lvlist"
1465 NV_MASTERIP = "master-ip"
1466 NV_NODELIST = "nodelist"
1467 NV_NODENETTEST = "node-net-test"
1468 NV_NODESETUP = "nodesetup"
1469 NV_OSLIST = "oslist"
1470 NV_PVLIST = "pvlist"
1472 NV_VERSION = "version"
1473 NV_VGLIST = "vglist"
1474 NV_VMNODES = "vmnodes"
1475 NV_OOB_PATHS = "oob-paths"
1476 NV_BRIDGES = "bridges"
1477 NV_USERSCRIPTS = "user-scripts"
1480 INSTST_RUNNING = "running"
1481 INSTST_ADMINDOWN = "ADMIN_down"
1482 INSTST_ADMINOFFLINE = "ADMIN_offline"
1483 INSTST_NODEOFFLINE = "ERROR_nodeoffline"
1484 INSTST_NODEDOWN = "ERROR_nodedown"
1485 INSTST_WRONGNODE = "ERROR_wrongnode"
1486 INSTST_ERRORUP = "ERROR_up"
1487 INSTST_ERRORDOWN = "ERROR_down"
1488 INSTST_ALL = frozenset([
1491 INSTST_ADMINOFFLINE,
1501 ADMINST_DOWN = "down"
1502 ADMINST_OFFLINE = "offline"
1503 ADMINST_ALL = frozenset([
1515 NR_ALL = frozenset([
1523 # SSL certificate check constants (in days)
1524 SSL_CERT_EXPIRATION_WARN = 30
1525 SSL_CERT_EXPIRATION_ERROR = 7
1527 # Allocator framework constants
1528 IALLOCATOR_VERSION = 2
1529 IALLOCATOR_DIR_IN = "in"
1530 IALLOCATOR_DIR_OUT = "out"
1531 VALID_IALLOCATOR_DIRECTIONS = frozenset([
1535 IALLOCATOR_MODE_ALLOC = "allocate"
1536 IALLOCATOR_MODE_RELOC = "relocate"
1537 IALLOCATOR_MODE_CHG_GROUP = "change-group"
1538 IALLOCATOR_MODE_NODE_EVAC = "node-evacuate"
1539 VALID_IALLOCATOR_MODES = frozenset([
1540 IALLOCATOR_MODE_ALLOC,
1541 IALLOCATOR_MODE_RELOC,
1542 IALLOCATOR_MODE_CHG_GROUP,
1543 IALLOCATOR_MODE_NODE_EVAC,
1545 IALLOCATOR_SEARCH_PATH = _autoconf.IALLOCATOR_SEARCH_PATH
1547 IALLOCATOR_NEVAC_PRI = "primary-only"
1548 IALLOCATOR_NEVAC_SEC = "secondary-only"
1549 IALLOCATOR_NEVAC_ALL = "all"
1550 IALLOCATOR_NEVAC_MODES = frozenset([
1551 IALLOCATOR_NEVAC_PRI,
1552 IALLOCATOR_NEVAC_SEC,
1553 IALLOCATOR_NEVAC_ALL,
1557 NODE_EVAC_PRI = "primary-only"
1558 NODE_EVAC_SEC = "secondary-only"
1559 NODE_EVAC_ALL = "all"
1560 NODE_EVAC_MODES = frozenset([
1567 JOB_QUEUE_VERSION = 1
1568 JOB_QUEUE_LOCK_FILE = QUEUE_DIR + "/lock"
1569 JOB_QUEUE_VERSION_FILE = QUEUE_DIR + "/version"
1570 JOB_QUEUE_SERIAL_FILE = QUEUE_DIR + "/serial"
1571 JOB_QUEUE_ARCHIVE_DIR = QUEUE_DIR + "/archive"
1572 JOB_QUEUE_DRAIN_FILE = QUEUE_DIR + "/drain"
1573 JOB_QUEUE_SIZE_HARD_LIMIT = 5000
1575 JOB_ID_TEMPLATE = r"\d+"
1576 JOB_FILE_RE = re.compile(r"^job-(%s)$" % JOB_ID_TEMPLATE)
1578 # unchanged job return
1579 JOB_NOTCHANGED = "nochange"
1582 JOB_STATUS_QUEUED = "queued"
1583 JOB_STATUS_WAITING = "waiting"
1584 JOB_STATUS_CANCELING = "canceling"
1585 JOB_STATUS_RUNNING = "running"
1586 JOB_STATUS_CANCELED = "canceled"
1587 JOB_STATUS_SUCCESS = "success"
1588 JOB_STATUS_ERROR = "error"
1589 JOBS_FINALIZED = frozenset([
1590 JOB_STATUS_CANCELED,
1594 JOB_STATUS_ALL = frozenset([
1597 JOB_STATUS_CANCELING,
1603 OP_STATUS_QUEUED = "queued"
1604 OP_STATUS_WAITING = "waiting"
1605 OP_STATUS_CANCELING = "canceling"
1606 OP_STATUS_RUNNING = "running"
1608 OP_STATUS_CANCELED = "canceled"
1609 OP_STATUS_SUCCESS = "success"
1610 OP_STATUS_ERROR = "error"
1611 OPS_FINALIZED = frozenset([
1618 OP_PRIO_LOWEST = +19
1619 OP_PRIO_HIGHEST = -20
1625 OP_PRIO_SUBMIT_VALID = frozenset([
1631 OP_PRIO_DEFAULT = OP_PRIO_NORMAL
1633 # Lock recalculate mode
1634 LOCKS_REPLACE = "replace"
1635 LOCKS_APPEND = "append"
1637 # Lock timeout (sum) before we should go into blocking acquire (still
1638 # can be reset by priority change); computed as max time (10 hours)
1639 # before we should actually go into blocking acquire given that we
1640 # start from default priority level; in seconds
1642 LOCK_ATTEMPTS_TIMEOUT = 10 * 3600 / (OP_PRIO_DEFAULT - OP_PRIO_HIGHEST)
1643 LOCK_ATTEMPTS_MAXWAIT = 15.0
1644 LOCK_ATTEMPTS_MINWAIT = 1.0
1646 # Execution log types
1647 ELOG_MESSAGE = "message"
1648 ELOG_REMOTE_IMPORT = "remote-import"
1649 ELOG_JQUEUE_TEST = "jqueue-test"
1651 # /etc/hosts modification
1652 ETC_HOSTS_ADD = "add"
1653 ETC_HOSTS_REMOVE = "remove"
1656 JQT_MSGPREFIX = "TESTMSG="
1657 JQT_EXPANDNAMES = "expandnames"
1659 JQT_LOGMSG = "logmsg"
1660 JQT_STARTMSG = "startmsg"
1661 JQT_ALL = frozenset([
1669 QR_CLUSTER = "cluster"
1670 QR_INSTANCE = "instance"
1676 QR_EXPORT = "export"
1677 QR_NETWORK = "network"
1678 QR_EXTSTORAGE = "extstorage"
1680 #: List of resources which can be queried using L{opcodes.OpQuery}
1681 QR_VIA_OP = frozenset([
1692 #: List of resources which can be queried using Local UniX Interface
1693 QR_VIA_LUXI = QR_VIA_OP.union([
1698 #: List of resources which can be queried using RAPI
1699 QR_VIA_RAPI = QR_VIA_LUXI
1702 QFT_UNKNOWN = "unknown"
1705 QFT_NUMBER = "number"
1707 QFT_TIMESTAMP = "timestamp"
1710 #: All query field types
1711 QFT_ALL = frozenset([
1721 # Query result field status (don't change or reuse values as they're used by
1723 #: Normal field status
1727 #: No data (e.g. RPC error), can be used instead of L{RS_OFFLINE}
1729 #: Value unavailable/unsupported for item; if this field is supported
1730 #: but we cannot get the data for the moment, RS_NODATA or
1731 #: RS_OFFLINE should be used
1733 #: Resource marked offline
1736 RS_ALL = frozenset([
1744 #: Dictionary with special field cases and their verbose/terse formatting
1746 RS_UNKNOWN: ("(unknown)", "??"),
1747 RS_NODATA: ("(nodata)", "?"),
1748 RS_OFFLINE: ("(offline)", "*"),
1749 RS_UNAVAIL: ("(unavail)", "-"),
1752 # max dynamic devices
1756 # SSCONF file prefix
1757 SSCONF_FILEPREFIX = "ssconf_"
1759 SS_CLUSTER_NAME = "cluster_name"
1760 SS_CLUSTER_TAGS = "cluster_tags"
1761 SS_FILE_STORAGE_DIR = "file_storage_dir"
1762 SS_SHARED_FILE_STORAGE_DIR = "shared_file_storage_dir"
1763 SS_MASTER_CANDIDATES = "master_candidates"
1764 SS_MASTER_CANDIDATES_IPS = "master_candidates_ips"
1765 SS_MASTER_IP = "master_ip"
1766 SS_MASTER_NETDEV = "master_netdev"
1767 SS_MASTER_NETMASK = "master_netmask"
1768 SS_MASTER_NODE = "master_node"
1769 SS_NODE_LIST = "node_list"
1770 SS_NODE_PRIMARY_IPS = "node_primary_ips"
1771 SS_NODE_SECONDARY_IPS = "node_secondary_ips"
1772 SS_OFFLINE_NODES = "offline_nodes"
1773 SS_ONLINE_NODES = "online_nodes"
1774 SS_PRIMARY_IP_FAMILY = "primary_ip_family"
1775 SS_INSTANCE_LIST = "instance_list"
1776 SS_RELEASE_VERSION = "release_version"
1777 SS_HYPERVISOR_LIST = "hypervisor_list"
1778 SS_MAINTAIN_NODE_HEALTH = "maintain_node_health"
1779 SS_UID_POOL = "uid_pool"
1780 SS_NODEGROUPS = "nodegroups"
1781 SS_NETWORKS = "networks"
1783 SS_FILE_PERMS = 0444
1785 # cluster wide default parameters
1786 DEFAULT_ENABLED_HYPERVISOR = HT_XEN_PVM
1790 HV_USE_BOOTLOADER: False,
1791 HV_BOOTLOADER_PATH: XEN_BOOTLOADER,
1792 HV_BOOTLOADER_ARGS: "",
1793 HV_KERNEL_PATH: XEN_KERNEL,
1795 HV_ROOT_PATH: "/dev/sda1",
1796 HV_KERNEL_ARGS: "ro",
1797 HV_MIGRATION_PORT: 8002,
1798 HV_MIGRATION_MODE: HT_MIGRATION_LIVE,
1799 HV_BLOCKDEV_PREFIX: "sd",
1800 HV_REBOOT_BEHAVIOR: INSTANCE_REBOOT_ALLOWED,
1801 HV_CPU_MASK: CPU_PINNING_ALL,
1804 HV_BOOT_ORDER: "cd",
1805 HV_CDROM_IMAGE_PATH: "",
1806 HV_NIC_TYPE: HT_NIC_RTL8139,
1807 HV_DISK_TYPE: HT_DISK_PARAVIRTUAL,
1808 HV_VNC_BIND_ADDRESS: IP4_ADDRESS_ANY,
1809 HV_VNC_PASSWORD_FILE: VNC_PASSWORD_FILE,
1812 HV_KERNEL_PATH: "/usr/lib/xen/boot/hvmloader",
1813 HV_DEVICE_MODEL: "/usr/lib/xen/bin/qemu-dm",
1814 HV_MIGRATION_PORT: 8002,
1815 HV_MIGRATION_MODE: HT_MIGRATION_NONLIVE,
1816 HV_USE_LOCALTIME: False,
1817 HV_BLOCKDEV_PREFIX: "hd",
1818 HV_REBOOT_BEHAVIOR: INSTANCE_REBOOT_ALLOWED,
1819 HV_CPU_MASK: CPU_PINNING_ALL,
1822 HV_KERNEL_PATH: KVM_KERNEL,
1824 HV_KERNEL_ARGS: "ro",
1825 HV_ROOT_PATH: "/dev/vda1",
1827 HV_SERIAL_CONSOLE: True,
1828 HV_VNC_BIND_ADDRESS: "",
1831 HV_VNC_X509_VERIFY: False,
1832 HV_VNC_PASSWORD_FILE: "",
1833 HV_KVM_SPICE_BIND: "",
1834 HV_KVM_SPICE_IP_VERSION: IFACE_NO_IP_VERSION_SPECIFIED,
1835 HV_KVM_SPICE_PASSWORD_FILE: "",
1836 HV_KVM_SPICE_LOSSLESS_IMG_COMPR: "",
1837 HV_KVM_SPICE_JPEG_IMG_COMPR: "",
1838 HV_KVM_SPICE_ZLIB_GLZ_IMG_COMPR: "",
1839 HV_KVM_SPICE_STREAMING_VIDEO_DETECTION: "",
1840 HV_KVM_SPICE_AUDIO_COMPR: True,
1841 HV_KVM_SPICE_USE_TLS: False,
1842 HV_KVM_SPICE_TLS_CIPHERS: OPENSSL_CIPHERS,
1843 HV_KVM_SPICE_USE_VDAGENT: True,
1844 HV_KVM_FLOPPY_IMAGE_PATH: "",
1845 HV_CDROM_IMAGE_PATH: "",
1846 HV_KVM_CDROM2_IMAGE_PATH: "",
1847 HV_BOOT_ORDER: HT_BO_DISK,
1848 HV_NIC_TYPE: HT_NIC_PARAVIRTUAL,
1849 HV_DISK_TYPE: HT_DISK_PARAVIRTUAL,
1850 HV_KVM_CDROM_DISK_TYPE: "",
1853 HV_MIGRATION_PORT: 8102,
1854 HV_MIGRATION_BANDWIDTH: 32, # MiB/s
1855 HV_MIGRATION_DOWNTIME: 30, # ms
1856 HV_MIGRATION_MODE: HT_MIGRATION_LIVE,
1857 HV_USE_LOCALTIME: False,
1858 HV_DISK_CACHE: HT_CACHE_DEFAULT,
1859 HV_SECURITY_MODEL: HT_SM_NONE,
1860 HV_SECURITY_DOMAIN: "",
1862 HV_VHOST_NET: False,
1863 HV_KVM_USE_CHROOT: False,
1865 HV_REBOOT_BEHAVIOR: INSTANCE_REBOOT_ALLOWED,
1866 HV_CPU_MASK: CPU_PINNING_ALL,
1871 HV_INIT_SCRIPT: "/ganeti-chroot",
1878 HVC_GLOBALS = frozenset([
1880 HV_MIGRATION_BANDWIDTH,
1888 BE_AUTO_BALANCE: True,
1889 BE_ALWAYS_FAILOVER: False,
1894 ND_OOB_PROGRAM: None,
1895 ND_SPINDLE_COUNT: 1,
1898 DISK_LD_DEFAULTS = {
1900 LDP_RESYNC_RATE: CLASSIC_DRBD_SYNC_SPEED,
1901 LDP_BARRIERS: _autoconf.DRBD_BARRIERS,
1902 LDP_NO_META_FLUSH: _autoconf.DRBD_NO_META_FLUSH,
1903 LDP_DEFAULT_METAVG: DEFAULT_VG,
1904 LDP_DISK_CUSTOM: "",
1906 LDP_DYNAMIC_RESYNC: False,
1908 # The default values for the DRBD dynamic resync speed algorithm are taken
1909 # from the drbsetup 8.3.11 man page, except for c-plan-ahead (that we
1910 # don't need to set to 0, because we have a separate option to enable it)
1911 # and for c-max-rate, that we cap to the default value for the static resync
1913 LDP_PLAN_AHEAD: 20, # ds
1914 LDP_FILL_TARGET: 0, # sectors
1915 LDP_DELAY_TARGET: 1, # ds
1916 LDP_MAX_RATE: CLASSIC_DRBD_SYNC_SPEED, # KiB/s
1917 LDP_MIN_RATE: 4 * 1024, # KiB/s
1920 LDP_STRIPES: _autoconf.LVM_STRIPECOUNT
1933 # readability shortcuts
1934 _LV_DEFAULTS = DISK_LD_DEFAULTS[LD_LV]
1935 _DRBD_DEFAULTS = DISK_LD_DEFAULTS[LD_DRBD8]
1937 DISK_DT_DEFAULTS = {
1939 LV_STRIPES: DISK_LD_DEFAULTS[LD_LV][LDP_STRIPES],
1942 DRBD_RESYNC_RATE: _DRBD_DEFAULTS[LDP_RESYNC_RATE],
1943 DRBD_DATA_STRIPES: _LV_DEFAULTS[LDP_STRIPES],
1944 DRBD_META_STRIPES: _LV_DEFAULTS[LDP_STRIPES],
1945 DRBD_DISK_BARRIERS: _DRBD_DEFAULTS[LDP_BARRIERS],
1946 DRBD_META_BARRIERS: _DRBD_DEFAULTS[LDP_NO_META_FLUSH],
1947 DRBD_DEFAULT_METAVG: _DRBD_DEFAULTS[LDP_DEFAULT_METAVG],
1948 DRBD_DISK_CUSTOM: _DRBD_DEFAULTS[LDP_DISK_CUSTOM],
1949 DRBD_NET_CUSTOM: _DRBD_DEFAULTS[LDP_NET_CUSTOM],
1950 DRBD_DYNAMIC_RESYNC: _DRBD_DEFAULTS[LDP_DYNAMIC_RESYNC],
1951 DRBD_PLAN_AHEAD: _DRBD_DEFAULTS[LDP_PLAN_AHEAD],
1952 DRBD_FILL_TARGET: _DRBD_DEFAULTS[LDP_FILL_TARGET],
1953 DRBD_DELAY_TARGET: _DRBD_DEFAULTS[LDP_DELAY_TARGET],
1954 DRBD_MAX_RATE: _DRBD_DEFAULTS[LDP_MAX_RATE],
1955 DRBD_MIN_RATE: _DRBD_DEFAULTS[LDP_MIN_RATE],
1966 RBD_POOL: DISK_LD_DEFAULTS[LD_RBD][LDP_POOL]
1972 # we don't want to export the shortcuts
1973 del _LV_DEFAULTS, _DRBD_DEFAULTS
1976 NIC_MODE: NIC_MODE_BRIDGED,
1977 NIC_LINK: DEFAULT_BRIDGE,
1980 # All of the following values are quite arbitrarily - there are no
1981 # "good" defaults, these must be customised per-site
1982 IPOLICY_DEFAULTS = {
1984 ISPEC_MEM_SIZE: 128,
1986 ISPEC_DISK_COUNT: 1,
1987 ISPEC_DISK_SIZE: 1024,
1989 ISPEC_SPINDLE_USE: 1,
1992 ISPEC_MEM_SIZE: 32768,
1994 ISPEC_DISK_COUNT: MAX_DISKS,
1995 ISPEC_DISK_SIZE: 1024 * 1024,
1996 ISPEC_NIC_COUNT: MAX_NICS,
1997 ISPEC_SPINDLE_USE: 12,
2000 ISPEC_MEM_SIZE: 128,
2002 ISPEC_DISK_COUNT: 1,
2003 ISPEC_DISK_SIZE: 1024,
2005 ISPEC_SPINDLE_USE: 1,
2007 IPOLICY_DTS: DISK_TEMPLATES,
2008 IPOLICY_VCPU_RATIO: 4.0,
2009 IPOLICY_SPINDLE_RATIO: 32.0,
2012 MASTER_POOL_SIZE_DEFAULT = 10
2014 CONFD_PROTOCOL_VERSION = 1
2017 CONFD_REQ_NODE_ROLE_BYNAME = 1
2018 CONFD_REQ_NODE_PIP_BY_INSTANCE_IP = 2
2019 CONFD_REQ_CLUSTER_MASTER = 3
2020 CONFD_REQ_NODE_PIP_LIST = 4
2021 CONFD_REQ_MC_PIP_LIST = 5
2022 CONFD_REQ_INSTANCES_IPS_LIST = 6
2023 CONFD_REQ_NODE_DRBD = 7
2025 # Confd request query fields. These are used to narrow down queries.
2026 # These must be strings rather than integers, because json-encoding
2027 # converts them to strings anyway, as they're used as dict-keys.
2028 CONFD_REQQ_LINK = "0"
2030 CONFD_REQQ_IPLIST = "2"
2031 CONFD_REQQ_FIELDS = "3"
2033 CONFD_REQFIELD_NAME = "0"
2034 CONFD_REQFIELD_IP = "1"
2035 CONFD_REQFIELD_MNODE_PIP = "2"
2037 CONFD_REQS = frozenset([
2039 CONFD_REQ_NODE_ROLE_BYNAME,
2040 CONFD_REQ_NODE_PIP_BY_INSTANCE_IP,
2041 CONFD_REQ_CLUSTER_MASTER,
2042 CONFD_REQ_NODE_PIP_LIST,
2043 CONFD_REQ_MC_PIP_LIST,
2044 CONFD_REQ_INSTANCES_IPS_LIST,
2045 CONFD_REQ_NODE_DRBD,
2048 CONFD_REPL_STATUS_OK = 0
2049 CONFD_REPL_STATUS_ERROR = 1
2050 CONFD_REPL_STATUS_NOTIMPLEMENTED = 2
2052 CONFD_REPL_STATUSES = frozenset([
2053 CONFD_REPL_STATUS_OK,
2054 CONFD_REPL_STATUS_ERROR,
2055 CONFD_REPL_STATUS_NOTIMPLEMENTED,
2058 (CONFD_NODE_ROLE_MASTER,
2059 CONFD_NODE_ROLE_CANDIDATE,
2060 CONFD_NODE_ROLE_OFFLINE,
2061 CONFD_NODE_ROLE_DRAINED,
2062 CONFD_NODE_ROLE_REGULAR,
2065 # A few common errors for confd
2066 CONFD_ERROR_UNKNOWN_ENTRY = 1
2067 CONFD_ERROR_INTERNAL = 2
2068 CONFD_ERROR_ARGUMENT = 3
2070 # Each request is "salted" by the current timestamp.
2071 # This constants decides how many seconds of skew to accept.
2072 # TODO: make this a default and allow the value to be more configurable
2073 CONFD_MAX_CLOCK_SKEW = 2 * NODE_MAX_CLOCK_SKEW
2075 # When we haven't reloaded the config for more than this amount of seconds, we
2076 # force a test to see if inotify is betraying us.
2077 CONFD_CONFIG_RELOAD_TIMEOUT = 60
2079 # If we receive more than one update in this amount of seconds, we move to
2080 # polling every RATELIMIT seconds, rather than relying on inotify, to be able
2081 # to serve more requests.
2082 CONFD_CONFIG_RELOAD_RATELIMIT = 2
2084 # Magic number prepended to all confd queries.
2085 # This allows us to distinguish different types of confd protocols and handle
2086 # them. For example by changing this we can move the whole payload to be
2087 # compressed, or move away from json.
2088 CONFD_MAGIC_FOURCC = "plj0"
2090 # By default a confd request is sent to the minimum between this number and all
2091 # MCs. 6 was chosen because even in the case of a disastrous 50% response rate,
2092 # we should have enough answers to be able to compare more than one.
2093 CONFD_DEFAULT_REQ_COVERAGE = 6
2095 # Timeout in seconds to expire pending query request in the confd client
2096 # library. We don't actually expect any answer more than 10 seconds after we
2098 CONFD_CLIENT_EXPIRE_TIMEOUT = 10
2100 # Maximum UDP datagram size.
2101 # On IPv4: 64K - 20 (ip header size) - 8 (udp header size) = 65507
2102 # On IPv6: 64K - 40 (ip6 header size) - 8 (udp header size) = 65487
2103 # (assuming we can't use jumbo frames)
2104 # We just set this to 60K, which should be enough
2105 MAX_UDP_DATA_SIZE = 61440
2107 # User-id pool minimum/maximum acceptable user-ids.
2109 UIDPOOL_UID_MAX = 2 ** 32 - 1 # Assuming 32 bit user-ids
2111 # Name or path of the pgrep command
2114 # Name of the node group that gets created at cluster init or upgrade
2115 INITIAL_NODE_GROUP_NAME = "default"
2117 # Possible values for NodeGroup.alloc_policy
2118 ALLOC_POLICY_PREFERRED = "preferred"
2119 ALLOC_POLICY_LAST_RESORT = "last_resort"
2120 ALLOC_POLICY_UNALLOCABLE = "unallocable"
2121 VALID_ALLOC_POLICIES = [
2122 ALLOC_POLICY_PREFERRED,
2123 ALLOC_POLICY_LAST_RESORT,
2124 ALLOC_POLICY_UNALLOCABLE,
2127 # Temporary external/shared storage parameters
2128 BLOCKDEV_DRIVER_MANUAL = "manual"
2129 EXTSTORAGE_SAMPLE_PROVIDER = "rbd"
2131 # qemu-img path, required for ovfconverter
2132 QEMUIMG_PATH = _autoconf.QEMUIMG_PATH
2134 # Whether htools was enabled at compilation time
2135 HTOOLS = _autoconf.HTOOLS
2136 # The hail iallocator
2137 IALLOC_HAIL = "hail"
2139 # Fake opcodes for functions that have hooks attached to them via
2140 # backend.RunLocalHooks
2141 FAKE_OP_MASTER_TURNUP = "OP_CLUSTER_IP_TURNUP"
2142 FAKE_OP_MASTER_TURNDOWN = "OP_CLUSTER_IP_TURNDOWN"
2144 # Do not re-export imported modules
2145 del re, _vcsversion, _autoconf, socket