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 CPU_PINNING_ALL_KVM = 0xFFFFFFFF
127 WIPE_BLOCK_SIZE = 1024 ** 2
128 MAX_WIPE_CHUNK = 1024 # 1GB
129 MIN_WIPE_CHUNK_PERCENT = 10
133 DATA_DIR = _autoconf.LOCALSTATEDIR + "/lib/ganeti"
134 RUN_DIR = _autoconf.LOCALSTATEDIR + "/run"
135 RUN_GANETI_DIR = RUN_DIR + "/ganeti"
136 BDEV_CACHE_DIR = RUN_GANETI_DIR + "/bdev-cache"
137 DISK_LINKS_DIR = RUN_GANETI_DIR + "/instance-disks"
139 SOCKET_DIR = RUN_GANETI_DIR + "/socket"
140 SECURE_DIR_MODE = 0700
141 SECURE_FILE_MODE = 0600
142 SOCKET_DIR_MODE = 0750
143 CRYPTO_KEYS_DIR = RUN_GANETI_DIR + "/crypto"
144 CRYPTO_KEYS_DIR_MODE = SECURE_DIR_MODE
145 IMPORT_EXPORT_DIR = RUN_GANETI_DIR + "/import-export"
146 IMPORT_EXPORT_DIR_MODE = 0755
147 ADOPTABLE_BLOCKDEV_ROOT = "/dev/disk/"
148 # keep RUN_GANETI_DIR first here, to make sure all get created when the node
149 # daemon is started (this takes care of RUN_DIR being tmpfs)
155 LOCK_DIR = _autoconf.LOCALSTATEDIR + "/lock"
156 SSCONF_LOCK_FILE = LOCK_DIR + "/ganeti-ssconf.lock"
157 # User-id pool lock directory
158 # The user-ids that are in use have a corresponding lock file in this directory
159 UIDPOOL_LOCKDIR = RUN_GANETI_DIR + "/uid-pool"
160 CLUSTER_CONF_FILE = DATA_DIR + "/config.data"
161 NODED_CERT_FILE = DATA_DIR + "/server.pem"
162 RAPI_CERT_FILE = DATA_DIR + "/rapi.pem"
163 CONFD_HMAC_KEY = DATA_DIR + "/hmac.key"
164 SPICE_CERT_FILE = DATA_DIR + "/spice.pem"
165 SPICE_CACERT_FILE = DATA_DIR + "/spice-ca.pem"
166 CLUSTER_DOMAIN_SECRET_FILE = DATA_DIR + "/cluster-domain-secret"
167 INSTANCE_STATUS_FILE = RUN_GANETI_DIR + "/instance-status"
168 SSH_KNOWN_HOSTS_FILE = DATA_DIR + "/known_hosts"
169 RAPI_USERS_FILE = DATA_DIR + "/rapi/users"
170 QUEUE_DIR = DATA_DIR + "/queue"
171 DAEMON_UTIL = _autoconf.PKGLIBDIR + "/daemon-util"
172 SETUP_SSH = _autoconf.TOOLSDIR + "/setup-ssh"
173 KVM_IFUP = _autoconf.PKGLIBDIR + "/kvm-ifup"
174 KVM_CONSOLE_WRAPPER = _autoconf.PKGLIBDIR + "/tools/kvm-console-wrapper"
175 XM_CONSOLE_WRAPPER = _autoconf.PKGLIBDIR + "/tools/xm-console-wrapper"
176 ETC_HOSTS = "/etc/hosts"
177 DEFAULT_FILE_STORAGE_DIR = _autoconf.FILE_STORAGE_DIR
178 DEFAULT_SHARED_FILE_STORAGE_DIR = _autoconf.SHARED_FILE_STORAGE_DIR
179 ENABLE_FILE_STORAGE = _autoconf.ENABLE_FILE_STORAGE
180 ENABLE_SHARED_FILE_STORAGE = _autoconf.ENABLE_SHARED_FILE_STORAGE
181 SYSCONFDIR = _autoconf.SYSCONFDIR
182 TOOLSDIR = _autoconf.TOOLSDIR
183 CONF_DIR = SYSCONFDIR + "/ganeti"
184 USER_SCRIPTS_DIR = CONF_DIR + "/scripts"
185 ENABLE_CONFD = _autoconf.ENABLE_CONFD
187 #: Lock file for watcher, locked in shared mode by watcher; lock in exclusive
188 # mode to block watcher (see L{cli._RunWhileClusterStoppedHelper.Call}
189 WATCHER_LOCK_FILE = LOCK_DIR + "/ganeti-watcher.lock"
191 #: Status file for per-group watcher, locked in exclusive mode by watcher
192 WATCHER_GROUP_STATE_FILE = DATA_DIR + "/watcher.%s.data"
194 #: File for per-group instance status, merged into L{INSTANCE_STATUS_FILE} by
195 #: per-group processes
196 WATCHER_GROUP_INSTANCE_STATUS_FILE = DATA_DIR + "/watcher.%s.instance-status"
198 #: File containing Unix timestamp until which watcher should be paused
199 WATCHER_PAUSEFILE = DATA_DIR + "/watcher.pause"
201 # Master IP address setup scripts paths (default and user-provided)
202 DEFAULT_MASTER_SETUP_SCRIPT = TOOLSDIR + "/master-ip-setup"
203 EXTERNAL_MASTER_SETUP_SCRIPT = USER_SCRIPTS_DIR + "/master-ip-setup"
205 ALL_CERT_FILES = frozenset([
212 MASTER_SOCKET = SOCKET_DIR + "/ganeti-master"
214 NODED = "ganeti-noded"
215 CONFD = "ganeti-confd"
217 MASTERD = "ganeti-masterd"
218 # used in the ganeti-nbma project
222 # daemon-name: ("proto", "default-port")
223 NODED: ("tcp", 1811),
224 CONFD: ("udp", 1814),
227 # used in the ganeti-nbma project
230 DEFAULT_NODED_PORT = DAEMONS_PORTS[NODED][1]
231 DEFAULT_CONFD_PORT = DAEMONS_PORTS[CONFD][1]
232 DEFAULT_RAPI_PORT = DAEMONS_PORTS[RAPI][1]
233 # used in the ganeti-nbma project
234 DEFAULT_NLD_PORT = DAEMONS_PORTS[NLD][1]
236 FIRST_DRBD_PORT = 11000
237 LAST_DRBD_PORT = 14999
238 MASTER_SCRIPT = "ganeti-master"
240 LOG_DIR = _autoconf.LOCALSTATEDIR + "/log/ganeti/"
242 # "daemon-name": "logfile"
243 NODED: LOG_DIR + "node-daemon.log",
244 CONFD: LOG_DIR + "conf-daemon.log",
245 RAPI: LOG_DIR + "rapi-daemon.log",
246 MASTERD: LOG_DIR + "master-daemon.log",
247 # used in the ganeti-nbma project
248 NLD: LOG_DIR + "nl-daemon.log",
251 LOG_OS_DIR = LOG_DIR + "os"
252 LOG_WATCHER = LOG_DIR + "watcher.log"
253 LOG_COMMANDS = LOG_DIR + "commands.log"
254 LOG_BURNIN = LOG_DIR + "burnin.log"
255 LOG_SETUP_SSH = LOG_DIR + "setup-ssh.log"
257 DEV_CONSOLE = "/dev/console"
259 PROC_MOUNTS = "/proc/mounts"
261 # Local UniX Interface related constants
263 LUXI_VERSION = CONFIG_VERSION
265 # one of "no", "yes", "only"
266 SYSLOG_USAGE = _autoconf.SYSLOG_USAGE
270 SYSLOG_SOCKET = "/dev/log"
272 OS_SEARCH_PATH = _autoconf.OS_SEARCH_PATH
273 EXPORT_DIR = _autoconf.EXPORT_DIR
275 EXPORT_CONF_FILE = "config.ini"
277 XEN_BOOTLOADER = _autoconf.XEN_BOOTLOADER
278 XEN_KERNEL = _autoconf.XEN_KERNEL
279 XEN_INITRD = _autoconf.XEN_INITRD
282 KVM_PATH = _autoconf.KVM_PATH
283 KVM_KERNEL = _autoconf.KVM_KERNEL
284 SOCAT_PATH = _autoconf.SOCAT_PATH
285 SOCAT_USE_ESCAPE = _autoconf.SOCAT_USE_ESCAPE
286 SOCAT_USE_COMPRESS = _autoconf.SOCAT_USE_COMPRESS
287 SOCAT_ESCAPE_CODE = "0x1d"
289 #: Console as SSH command
292 #: Console as VNC server
295 #: Console as SPICE server
298 #: Display a message for console access
302 CONS_ALL = frozenset([CONS_SSH, CONS_VNC, CONS_SPICE, CONS_MESSAGE])
304 # For RSA keys more bits are better, but they also make operations more
305 # expensive. NIST SP 800-131 recommends a minimum of 2048 bits from the year
309 # Ciphers allowed for SSL connections. For the format, see ciphers(1). A better
310 # way to disable ciphers would be to use the exclamation mark (!), but socat
311 # versions below 1.5 can't parse exclamation marks in options properly. When
312 # modifying the ciphers, ensure not to accidentially add something after it's
313 # been removed. Use the "openssl" utility to check the allowed ciphers, e.g.
314 # "openssl ciphers -v HIGH:-DES".
315 OPENSSL_CIPHERS = "HIGH:-DES:-3DES:-EXPORT:-ADH"
317 # Digest used to sign certificates ("openssl x509" uses SHA1 by default)
318 X509_CERT_SIGN_DIGEST = "SHA1"
320 # Default validity of certificates in days
321 X509_CERT_DEFAULT_VALIDITY = 365 * 5
323 # commonName (CN) used in certificates
324 X509_CERT_CN = "ganeti.example.com"
326 X509_CERT_SIGNATURE_HEADER = "X-Ganeti-Signature"
328 IMPORT_EXPORT_DAEMON = _autoconf.PKGLIBDIR + "/import-export"
330 # Import/export daemon mode
331 IEM_IMPORT = "import"
332 IEM_EXPORT = "export"
334 # Import/export transport compression
337 IEC_ALL = frozenset([
342 IE_CUSTOM_SIZE = "fd"
344 IE_MAGIC_RE = re.compile(r"^[-_.a-zA-Z0-9]{5,100}$")
347 # Direct file I/O, equivalent to a shell's I/O redirection using '<' or '>'
349 # Raw block device I/O using "dd"
350 IEIO_RAW_DISK = "raw"
351 # OS definition import/export script
352 IEIO_SCRIPT = "script"
354 VALUE_DEFAULT = "default"
356 VALUE_GENERATE = "generate"
359 VALUE_FALSE = "false"
361 # External script validation mask
362 EXT_PLUGIN_MASK = re.compile("^[a-zA-Z0-9_-]+$")
364 # hooks-related constants
365 HOOKS_BASE_DIR = CONF_DIR + "/hooks"
366 HOOKS_PHASE_PRE = "pre"
367 HOOKS_PHASE_POST = "post"
368 HOOKS_NAME_CFGUPDATE = "config-update"
369 HOOKS_NAME_WATCHER = "watcher"
371 HOOKS_PATH = "/sbin:/bin:/usr/sbin:/usr/bin"
373 # hooks subject type (what object type does the LU deal with)
374 HTYPE_CLUSTER = "CLUSTER"
376 HTYPE_GROUP = "GROUP"
377 HTYPE_INSTANCE = "INSTANCE"
389 # first two are valid in LU context only, not passed to backend
392 # and the rest are valid in backend
397 SF_ALLOCATABLE = "allocatable"
400 SO_FIX_CONSISTENCY = "fix-consistency"
402 # Available fields per storage type
403 VALID_STORAGE_FIELDS = frozenset([
412 VALID_STORAGE_TYPES = frozenset([ST_FILE, ST_LVM_PV, ST_LVM_VG])
414 MODIFIABLE_STORAGE_FIELDS = {
415 ST_LVM_PV: frozenset([SF_ALLOCATABLE]),
418 VALID_STORAGE_OPERATIONS = {
419 ST_LVM_VG: frozenset([SO_FIX_CONSISTENCY]),
423 # Note: Code depends on LDS_OKAY < LDS_UNKNOWN < LDS_FAULTY
426 LDS_FAULTY) = range(1, 4)
428 # disk template types
429 DT_DISKLESS = "diskless"
433 DT_SHARED_FILE = "sharedfile"
434 DT_BLOCK = "blockdev"
437 # the set of network-mirrored disk templates
438 DTS_INT_MIRROR = frozenset([DT_DRBD8])
440 # the set of externally-mirrored disk templates (e.g. SAN, NAS)
441 DTS_EXT_MIRROR = frozenset([DT_SHARED_FILE, DT_BLOCK, DT_RBD])
443 # the set of non-lvm-based disk templates
444 DTS_NOT_LVM = frozenset([DT_DISKLESS, DT_FILE, DT_SHARED_FILE,
447 # the set of disk templates which can be grown
448 DTS_GROWABLE = frozenset([DT_PLAIN, DT_DRBD8, DT_FILE, DT_SHARED_FILE, DT_RBD])
450 # the set of disk templates that allow adoption
451 DTS_MAY_ADOPT = frozenset([DT_PLAIN, DT_BLOCK])
453 # the set of disk templates that *must* use adoption
454 DTS_MUST_ADOPT = frozenset([DT_BLOCK])
456 # the set of disk templates that allow migrations
457 DTS_MIRRORED = frozenset.union(DTS_INT_MIRROR, DTS_EXT_MIRROR)
459 # the set of file based disk templates
460 DTS_FILEBASED = frozenset([DT_FILE, DT_SHARED_FILE])
466 LD_BLOCKDEV = "blockdev"
468 LOGICAL_DISK_TYPES = frozenset([
476 LDS_BLOCK = frozenset([LD_LV, LD_DRBD8, LD_BLOCKDEV, LD_RBD])
479 DRBD_HMAC_ALG = "md5"
480 DRBD_NET_PROTOCOL = "C"
484 DRBD_B_DISK_BARRIERS = "b"
485 DRBD_B_DISK_DRAIN = "d"
486 DRBD_B_DISK_FLUSH = "f"
488 # Valid barrier combinations: "n" or any non-null subset of "bfd"
489 DRBD_VALID_BARRIER_OPT = frozenset([
490 frozenset([DRBD_B_NONE]),
491 frozenset([DRBD_B_DISK_BARRIERS]),
492 frozenset([DRBD_B_DISK_DRAIN]),
493 frozenset([DRBD_B_DISK_FLUSH]),
494 frozenset([DRBD_B_DISK_DRAIN, DRBD_B_DISK_FLUSH]),
495 frozenset([DRBD_B_DISK_DRAIN, DRBD_B_DISK_FLUSH]),
496 frozenset([DRBD_B_DISK_BARRIERS, DRBD_B_DISK_DRAIN]),
497 frozenset([DRBD_B_DISK_BARRIERS, DRBD_B_DISK_FLUSH]),
498 frozenset([DRBD_B_DISK_BARRIERS, DRBD_B_DISK_FLUSH, DRBD_B_DISK_DRAIN]),
504 # file backend driver
508 # the set of drbd-like disk types
509 LDS_DRBD = frozenset([LD_DRBD8])
514 DISK_ACCESS_SET = frozenset([DISK_RDONLY, DISK_RDWR])
516 # disk replacement mode
517 REPLACE_DISK_PRI = "replace_on_primary" # replace disks on primary
518 REPLACE_DISK_SEC = "replace_on_secondary" # replace disks on secondary
519 REPLACE_DISK_CHG = "replace_new_secondary" # change secondary node
520 REPLACE_DISK_AUTO = "replace_auto"
521 REPLACE_MODES = frozenset([
528 # Instance export mode
529 EXPORT_MODE_LOCAL = "local"
530 EXPORT_MODE_REMOTE = "remote"
531 EXPORT_MODES = frozenset([
536 # instance creation modes
537 INSTANCE_CREATE = "create"
538 INSTANCE_IMPORT = "import"
539 INSTANCE_REMOTE_IMPORT = "remote-import"
540 INSTANCE_CREATE_MODES = frozenset([
543 INSTANCE_REMOTE_IMPORT,
546 # Remote import/export handshake message and version
548 RIE_HANDSHAKE = "Hi, I'm Ganeti"
550 # Remote import/export certificate validity in seconds
551 RIE_CERT_VALIDITY = 24 * 60 * 60
553 # Overall timeout for establishing connection
554 RIE_CONNECT_TIMEOUT = 180
556 # Export only: how long to wait per connection attempt (seconds)
557 RIE_CONNECT_ATTEMPT_TIMEOUT = 20
559 # Export only: number of attempts to connect
560 RIE_CONNECT_RETRIES = 10
562 #: Give child process up to 5 seconds to exit after sending a signal
563 CHILD_LINGER_TIMEOUT = 5.0
565 DISK_TEMPLATES = frozenset([
575 FILE_DRIVER = frozenset([FD_LOOP, FD_BLKTAP])
577 # import/export config options
578 INISECT_EXP = "export"
579 INISECT_INS = "instance"
580 INISECT_HYP = "hypervisor"
581 INISECT_BEP = "backend"
584 # dynamic device modification
586 DDM_MODIFY = "modify"
587 DDM_REMOVE = "remove"
588 DDMS_VALUES = frozenset([DDM_ADD, DDM_REMOVE])
589 DDMS_VALUES_WITH_MODIFY = (DDMS_VALUES | frozenset([
592 # TODO: DDM_SWAP, DDM_MOVE?
599 EXIT_NODESETUP_ERROR = 12
600 EXIT_CONFIRMATION = 13 # need user confirmation
602 #: Exit code for query operations with unknown fields
603 EXIT_UNKNOWN_FIELD = 14
606 TAG_CLUSTER = "cluster"
607 TAG_NODEGROUP = "nodegroup"
609 TAG_INSTANCE = "instance"
610 VALID_TAG_TYPES = frozenset([
617 MAX_TAGS_PER_OBJ = 4096
620 DEFAULT_BRIDGE = "xen-br0"
621 CLASSIC_DRBD_SYNC_SPEED = 60 * 1024 # 60 MiB, expressed in KiB
622 IP4_ADDRESS_LOCALHOST = "127.0.0.1"
623 IP4_ADDRESS_ANY = "0.0.0.0"
624 IP6_ADDRESS_LOCALHOST = "::1"
625 IP6_ADDRESS_ANY = "::"
628 VALID_IP_VERSIONS = frozenset([IP4_VERSION, IP6_VERSION])
629 # for export to htools
630 IP4_FAMILY = socket.AF_INET
631 IP6_FAMILY = socket.AF_INET6
633 TCP_PING_TIMEOUT = 10
634 GANETI_RUNAS = "root"
636 DEFAULT_DRBD_HELPER = "/bin/true"
638 DEFAULT_MAC_PREFIX = "aa:00:00"
639 # default maximum instance wait time, in seconds.
640 DEFAULT_SHUTDOWN_TIMEOUT = 120
641 NODE_MAX_CLOCK_SKEW = 150
642 # Time for an intra-cluster disk transfer to wait for a connection
643 DISK_TRANSFER_CONNECT_TIMEOUT = 60
644 # Disk index separator
645 DISK_SEPARATOR = _autoconf.DISK_SEPARATOR
646 IP_COMMAND_PATH = _autoconf.IP_PATH
648 #: Key for job IDs in opcode result
654 RUNPARTS_ERR) = range(3)
656 RUNPARTS_STATUS = frozenset([RUNPARTS_SKIP, RUNPARTS_RUN, RUNPARTS_ERR])
660 RPC_ENCODING_ZLIB_BASE64) = range(2)
662 # os related constants
663 OS_SCRIPT_CREATE = "create"
664 OS_SCRIPT_IMPORT = "import"
665 OS_SCRIPT_EXPORT = "export"
666 OS_SCRIPT_RENAME = "rename"
667 OS_SCRIPT_VERIFY = "verify"
668 OS_SCRIPTS = frozenset([
676 OS_API_FILE = "ganeti_api_version"
677 OS_VARIANTS_FILE = "variants.list"
678 OS_PARAMETERS_FILE = "parameters.list"
680 OS_VALIDATE_PARAMETERS = "parameters"
681 OS_VALIDATE_CALLS = frozenset([OS_VALIDATE_PARAMETERS])
684 SSH_CONFIG_DIR = _autoconf.SSH_CONFIG_DIR
685 SSH_HOST_DSA_PRIV = SSH_CONFIG_DIR + "/ssh_host_dsa_key"
686 SSH_HOST_DSA_PUB = SSH_HOST_DSA_PRIV + ".pub"
687 SSH_HOST_RSA_PRIV = SSH_CONFIG_DIR + "/ssh_host_rsa_key"
688 SSH_HOST_RSA_PUB = SSH_HOST_RSA_PRIV + ".pub"
693 INSTANCE_REBOOT_SOFT = "soft"
694 INSTANCE_REBOOT_HARD = "hard"
695 INSTANCE_REBOOT_FULL = "full"
697 REBOOT_TYPES = frozenset([
698 INSTANCE_REBOOT_SOFT,
699 INSTANCE_REBOOT_HARD,
703 # instance reboot behaviors
704 INSTANCE_REBOOT_ALLOWED = "reboot"
705 INSTANCE_REBOOT_EXIT = "exit"
707 REBOOT_BEHAVIORS = frozenset([
708 INSTANCE_REBOOT_ALLOWED,
712 VTYPE_STRING = "string"
713 VTYPE_MAYBE_STRING = "maybe-string"
715 VTYPE_SIZE = "size" # size, in MiBs
717 ENFORCEABLE_TYPES = frozenset([
725 # Constant representing that the user does not specify any IP version
726 IFACE_NO_IP_VERSION_SPECIFIED = 0
728 # HV parameter names (global namespace)
729 HV_BOOT_ORDER = "boot_order"
730 HV_CDROM_IMAGE_PATH = "cdrom_image_path"
731 HV_KVM_CDROM2_IMAGE_PATH = "cdrom2_image_path"
732 HV_KVM_FLOPPY_IMAGE_PATH = "floppy_image_path"
733 HV_NIC_TYPE = "nic_type"
734 HV_DISK_TYPE = "disk_type"
735 HV_KVM_CDROM_DISK_TYPE = "cdrom_disk_type"
736 HV_VNC_BIND_ADDRESS = "vnc_bind_address"
737 HV_VNC_PASSWORD_FILE = "vnc_password_file"
738 HV_VNC_TLS = "vnc_tls"
739 HV_VNC_X509 = "vnc_x509_path"
740 HV_VNC_X509_VERIFY = "vnc_x509_verify"
741 HV_KVM_SPICE_BIND = "spice_bind"
742 HV_KVM_SPICE_IP_VERSION = "spice_ip_version"
743 HV_KVM_SPICE_PASSWORD_FILE = "spice_password_file"
744 HV_KVM_SPICE_LOSSLESS_IMG_COMPR = "spice_image_compression"
745 HV_KVM_SPICE_JPEG_IMG_COMPR = "spice_jpeg_wan_compression"
746 HV_KVM_SPICE_ZLIB_GLZ_IMG_COMPR = "spice_zlib_glz_wan_compression"
747 HV_KVM_SPICE_STREAMING_VIDEO_DETECTION = "spice_streaming_video"
748 HV_KVM_SPICE_AUDIO_COMPR = "spice_playback_compression"
749 HV_KVM_SPICE_USE_TLS = "spice_use_tls"
750 HV_KVM_SPICE_TLS_CIPHERS = "spice_tls_ciphers"
751 HV_KVM_SPICE_USE_VDAGENT = "spice_use_vdagent"
754 HV_USE_BOOTLOADER = "use_bootloader"
755 HV_BOOTLOADER_ARGS = "bootloader_args"
756 HV_BOOTLOADER_PATH = "bootloader_path"
757 HV_KERNEL_ARGS = "kernel_args"
758 HV_KERNEL_PATH = "kernel_path"
759 HV_INITRD_PATH = "initrd_path"
760 HV_ROOT_PATH = "root_path"
761 HV_SERIAL_CONSOLE = "serial_console"
762 HV_USB_MOUSE = "usb_mouse"
764 HV_DEVICE_MODEL = "device_model"
765 HV_INIT_SCRIPT = "init_script"
766 HV_MIGRATION_PORT = "migration_port"
767 HV_MIGRATION_BANDWIDTH = "migration_bandwidth"
768 HV_MIGRATION_DOWNTIME = "migration_downtime"
769 HV_MIGRATION_MODE = "migration_mode"
770 HV_USE_LOCALTIME = "use_localtime"
771 HV_DISK_CACHE = "disk_cache"
772 HV_SECURITY_MODEL = "security_model"
773 HV_SECURITY_DOMAIN = "security_domain"
774 HV_KVM_FLAG = "kvm_flag"
775 HV_VHOST_NET = "vhost_net"
776 HV_KVM_USE_CHROOT = "use_chroot"
777 HV_CPU_MASK = "cpu_mask"
778 HV_MEM_PATH = "mem_path"
779 HV_BLOCKDEV_PREFIX = "blockdev_prefix"
780 HV_REBOOT_BEHAVIOR = "reboot_behavior"
782 HVS_PARAMETER_TYPES = {
783 HV_BOOT_ORDER: VTYPE_STRING,
784 HV_KVM_FLOPPY_IMAGE_PATH: VTYPE_STRING,
785 HV_CDROM_IMAGE_PATH: VTYPE_STRING,
786 HV_KVM_CDROM2_IMAGE_PATH: VTYPE_STRING,
787 HV_NIC_TYPE: VTYPE_STRING,
788 HV_DISK_TYPE: VTYPE_STRING,
789 HV_KVM_CDROM_DISK_TYPE: VTYPE_STRING,
790 HV_VNC_PASSWORD_FILE: VTYPE_STRING,
791 HV_VNC_BIND_ADDRESS: VTYPE_STRING,
792 HV_VNC_TLS: VTYPE_BOOL,
793 HV_VNC_X509: VTYPE_STRING,
794 HV_VNC_X509_VERIFY: VTYPE_BOOL,
795 HV_KVM_SPICE_BIND: VTYPE_STRING,
796 HV_KVM_SPICE_IP_VERSION: VTYPE_INT,
797 HV_KVM_SPICE_PASSWORD_FILE: VTYPE_STRING,
798 HV_KVM_SPICE_LOSSLESS_IMG_COMPR: VTYPE_STRING,
799 HV_KVM_SPICE_JPEG_IMG_COMPR: VTYPE_STRING,
800 HV_KVM_SPICE_ZLIB_GLZ_IMG_COMPR: VTYPE_STRING,
801 HV_KVM_SPICE_STREAMING_VIDEO_DETECTION: VTYPE_STRING,
802 HV_KVM_SPICE_AUDIO_COMPR: VTYPE_BOOL,
803 HV_KVM_SPICE_USE_TLS: VTYPE_BOOL,
804 HV_KVM_SPICE_TLS_CIPHERS: VTYPE_STRING,
805 HV_KVM_SPICE_USE_VDAGENT: VTYPE_BOOL,
808 HV_USE_BOOTLOADER: VTYPE_BOOL,
809 HV_BOOTLOADER_PATH: VTYPE_STRING,
810 HV_BOOTLOADER_ARGS: VTYPE_STRING,
811 HV_KERNEL_PATH: VTYPE_STRING,
812 HV_KERNEL_ARGS: VTYPE_STRING,
813 HV_INITRD_PATH: VTYPE_STRING,
814 HV_ROOT_PATH: VTYPE_MAYBE_STRING,
815 HV_SERIAL_CONSOLE: VTYPE_BOOL,
816 HV_USB_MOUSE: VTYPE_STRING,
817 HV_KEYMAP: VTYPE_STRING,
818 HV_DEVICE_MODEL: VTYPE_STRING,
819 HV_INIT_SCRIPT: VTYPE_STRING,
820 HV_MIGRATION_PORT: VTYPE_INT,
821 HV_MIGRATION_BANDWIDTH: VTYPE_INT,
822 HV_MIGRATION_DOWNTIME: VTYPE_INT,
823 HV_MIGRATION_MODE: VTYPE_STRING,
824 HV_USE_LOCALTIME: VTYPE_BOOL,
825 HV_DISK_CACHE: VTYPE_STRING,
826 HV_SECURITY_MODEL: VTYPE_STRING,
827 HV_SECURITY_DOMAIN: VTYPE_STRING,
828 HV_KVM_FLAG: VTYPE_STRING,
829 HV_VHOST_NET: VTYPE_BOOL,
830 HV_KVM_USE_CHROOT: VTYPE_BOOL,
831 HV_CPU_MASK: VTYPE_STRING,
832 HV_MEM_PATH: VTYPE_STRING,
833 HV_BLOCKDEV_PREFIX: VTYPE_STRING,
834 HV_REBOOT_BEHAVIOR: VTYPE_STRING,
837 HVS_PARAMETERS = frozenset(HVS_PARAMETER_TYPES.keys())
840 HV_MIGRATION_COMPLETED = "completed"
841 HV_MIGRATION_ACTIVE = "active"
842 HV_MIGRATION_FAILED = "failed"
843 HV_MIGRATION_CANCELLED = "cancelled"
845 HV_MIGRATION_VALID_STATUSES = frozenset([
846 HV_MIGRATION_COMPLETED,
849 HV_MIGRATION_CANCELLED,
852 HV_MIGRATION_FAILED_STATUSES = frozenset([
854 HV_MIGRATION_CANCELLED,
857 # KVM-specific statuses
858 HV_KVM_MIGRATION_VALID_STATUSES = HV_MIGRATION_VALID_STATUSES
861 HV_NODEINFO_KEY_VERSION = "hv_version"
864 HVST_MEMORY_TOTAL = "mem_total"
865 HVST_MEMORY_NODE = "mem_node"
866 HVST_MEMORY_HV = "mem_hv"
867 HVST_CPU_TOTAL = "cpu_total"
868 HVST_CPU_NODE = "cpu_node"
871 HVST_MEMORY_TOTAL: 0,
878 HVSTS_PARAMETER_TYPES = {
879 HVST_MEMORY_TOTAL: VTYPE_INT,
880 HVST_MEMORY_NODE: VTYPE_INT,
881 HVST_MEMORY_HV: VTYPE_INT,
882 HVST_CPU_TOTAL: VTYPE_INT,
883 HVST_CPU_NODE: VTYPE_INT,
886 HVSTS_PARAMETERS = frozenset(HVSTS_PARAMETER_TYPES.keys())
889 DS_DISK_TOTAL = "disk_total"
890 DS_DISK_RESERVED = "disk_reserved"
891 DS_DISK_OVERHEAD = "disk_overhead"
899 DSS_PARAMETER_TYPES = {
900 DS_DISK_TOTAL: VTYPE_INT,
901 DS_DISK_RESERVED: VTYPE_INT,
902 DS_DISK_OVERHEAD: VTYPE_INT,
905 DSS_PARAMETERS = frozenset(DSS_PARAMETER_TYPES.keys())
906 DS_VALID_TYPES = frozenset([LD_LV])
908 # Backend parameter names
909 BE_MEMORY = "memory" # deprecated and replaced by max and min mem
913 BE_AUTO_BALANCE = "auto_balance"
914 BE_ALWAYS_FAILOVER = "always_failover"
915 BE_SPINDLE_USE = "spindle_use"
917 BES_PARAMETER_TYPES = {
918 BE_MAXMEM: VTYPE_SIZE,
919 BE_MINMEM: VTYPE_SIZE,
921 BE_AUTO_BALANCE: VTYPE_BOOL,
922 BE_ALWAYS_FAILOVER: VTYPE_BOOL,
923 BE_SPINDLE_USE: VTYPE_INT,
926 BES_PARAMETER_COMPAT = {
927 BE_MEMORY: VTYPE_SIZE,
929 BES_PARAMETER_COMPAT.update(BES_PARAMETER_TYPES)
931 BES_PARAMETERS = frozenset(BES_PARAMETER_TYPES.keys())
934 ISPEC_MEM_SIZE = "memory-size"
935 ISPEC_CPU_COUNT = "cpu-count"
936 ISPEC_DISK_COUNT = "disk-count"
937 ISPEC_DISK_SIZE = "disk-size"
938 ISPEC_NIC_COUNT = "nic-count"
939 ISPEC_SPINDLE_USE = "spindle-use"
941 ISPECS_PARAMETER_TYPES = {
942 ISPEC_MEM_SIZE: VTYPE_INT,
943 ISPEC_CPU_COUNT: VTYPE_INT,
944 ISPEC_DISK_COUNT: VTYPE_INT,
945 ISPEC_DISK_SIZE: VTYPE_INT,
946 ISPEC_NIC_COUNT: VTYPE_INT,
947 ISPEC_SPINDLE_USE: VTYPE_INT,
950 ISPECS_PARAMETERS = frozenset(ISPECS_PARAMETER_TYPES.keys())
955 IPOLICY_DTS = "disk-templates"
956 IPOLICY_VCPU_RATIO = "vcpu-ratio"
957 IPOLICY_SPINDLE_RATIO = "spindle-ratio"
959 IPOLICY_ISPECS = frozenset([
965 IPOLICY_PARAMETERS = frozenset([
967 IPOLICY_SPINDLE_RATIO,
970 IPOLICY_ALL_KEYS = (IPOLICY_ISPECS |
972 frozenset([IPOLICY_DTS]))
974 # Node parameter names
975 ND_OOB_PROGRAM = "oob_program"
976 ND_SPINDLE_COUNT = "spindle_count"
978 NDS_PARAMETER_TYPES = {
979 ND_OOB_PROGRAM: VTYPE_MAYBE_STRING,
980 ND_SPINDLE_COUNT: VTYPE_INT,
983 NDS_PARAMETERS = frozenset(NDS_PARAMETER_TYPES.keys())
985 # Logical Disks parameters
986 LDP_RESYNC_RATE = "resync-rate"
987 LDP_STRIPES = "stripes"
988 LDP_BARRIERS = "disabled-barriers"
989 LDP_NO_META_FLUSH = "disable-meta-flush"
990 LDP_DEFAULT_METAVG = "default-metavg"
991 LDP_DISK_CUSTOM = "disk-custom"
992 LDP_NET_CUSTOM = "net-custom"
993 LDP_DYNAMIC_RESYNC = "dynamic-resync"
994 LDP_PLAN_AHEAD = "c-plan-ahead"
995 LDP_FILL_TARGET = "c-fill-target"
996 LDP_DELAY_TARGET = "c-delay-target"
997 LDP_MAX_RATE = "c-max-rate"
998 LDP_MIN_RATE = "c-min-rate"
1001 LDP_RESYNC_RATE: VTYPE_INT,
1002 LDP_STRIPES: VTYPE_INT,
1003 LDP_BARRIERS: VTYPE_STRING,
1004 LDP_NO_META_FLUSH: VTYPE_BOOL,
1005 LDP_DEFAULT_METAVG: VTYPE_STRING,
1006 LDP_DISK_CUSTOM: VTYPE_STRING,
1007 LDP_NET_CUSTOM: VTYPE_STRING,
1008 LDP_DYNAMIC_RESYNC: VTYPE_BOOL,
1009 LDP_PLAN_AHEAD: VTYPE_INT,
1010 LDP_FILL_TARGET: VTYPE_INT,
1011 LDP_DELAY_TARGET: VTYPE_INT,
1012 LDP_MAX_RATE: VTYPE_INT,
1013 LDP_MIN_RATE: VTYPE_INT,
1014 LDP_POOL: VTYPE_STRING,
1016 DISK_LD_PARAMETERS = frozenset(DISK_LD_TYPES.keys())
1018 # Disk template parameters (can be set/changed by the user via gnt-cluster and
1020 DRBD_RESYNC_RATE = "resync-rate"
1021 DRBD_DATA_STRIPES = "data-stripes"
1022 DRBD_META_STRIPES = "meta-stripes"
1023 DRBD_DISK_BARRIERS = "disk-barriers"
1024 DRBD_META_BARRIERS = "meta-barriers"
1025 DRBD_DEFAULT_METAVG = "metavg"
1026 DRBD_DISK_CUSTOM = "disk-custom"
1027 DRBD_NET_CUSTOM = "net-custom"
1028 DRBD_DYNAMIC_RESYNC = "dynamic-resync"
1029 DRBD_PLAN_AHEAD = "c-plan-ahead"
1030 DRBD_FILL_TARGET = "c-fill-target"
1031 DRBD_DELAY_TARGET = "c-delay-target"
1032 DRBD_MAX_RATE = "c-max-rate"
1033 DRBD_MIN_RATE = "c-min-rate"
1034 LV_STRIPES = "stripes"
1037 DRBD_RESYNC_RATE: VTYPE_INT,
1038 DRBD_DATA_STRIPES: VTYPE_INT,
1039 DRBD_META_STRIPES: VTYPE_INT,
1040 DRBD_DISK_BARRIERS: VTYPE_STRING,
1041 DRBD_META_BARRIERS: VTYPE_BOOL,
1042 DRBD_DEFAULT_METAVG: VTYPE_STRING,
1043 DRBD_DISK_CUSTOM: VTYPE_STRING,
1044 DRBD_NET_CUSTOM: VTYPE_STRING,
1045 DRBD_DYNAMIC_RESYNC: VTYPE_BOOL,
1046 DRBD_PLAN_AHEAD: VTYPE_INT,
1047 DRBD_FILL_TARGET: VTYPE_INT,
1048 DRBD_DELAY_TARGET: VTYPE_INT,
1049 DRBD_MAX_RATE: VTYPE_INT,
1050 DRBD_MIN_RATE: VTYPE_INT,
1051 LV_STRIPES: VTYPE_INT,
1052 RBD_POOL: VTYPE_STRING,
1055 DISK_DT_PARAMETERS = frozenset(DISK_DT_TYPES.keys())
1057 # OOB supported commands
1058 OOB_POWER_ON = "power-on"
1059 OOB_POWER_OFF = "power-off"
1060 OOB_POWER_CYCLE = "power-cycle"
1061 OOB_POWER_STATUS = "power-status"
1062 OOB_HEALTH = "health"
1064 OOB_COMMANDS = frozenset([
1072 OOB_POWER_STATUS_POWERED = "powered"
1074 OOB_TIMEOUT = 60 # 60 seconds
1075 OOB_POWER_DELAY = 2.0 # 2 seconds
1077 OOB_STATUS_OK = "OK"
1078 OOB_STATUS_WARNING = "WARNING"
1079 OOB_STATUS_CRITICAL = "CRITICAL"
1080 OOB_STATUS_UNKNOWN = "UNKNOWN"
1082 OOB_STATUSES = frozenset([
1085 OOB_STATUS_CRITICAL,
1089 # Instance Parameters Profile
1090 PP_DEFAULT = "default"
1092 # NIC_* constants are used inside the ganeti config
1096 NIC_MODE_BRIDGED = "bridged"
1097 NIC_MODE_ROUTED = "routed"
1099 NIC_VALID_MODES = frozenset([NIC_MODE_BRIDGED, NIC_MODE_ROUTED])
1101 NICS_PARAMETER_TYPES = {
1102 NIC_MODE: VTYPE_STRING,
1103 NIC_LINK: VTYPE_STRING,
1106 NICS_PARAMETERS = frozenset(NICS_PARAMETER_TYPES.keys())
1108 # IDISK_* constants are used in opcodes, to create/change disks
1111 IDISK_ADOPT = "adopt"
1113 IDISK_METAVG = "metavg"
1114 IDISK_PARAMS_TYPES = {
1115 IDISK_SIZE: VTYPE_SIZE,
1116 IDISK_MODE: VTYPE_STRING,
1117 IDISK_ADOPT: VTYPE_STRING,
1118 IDISK_VG: VTYPE_STRING,
1119 IDISK_METAVG: VTYPE_STRING,
1121 IDISK_PARAMS = frozenset(IDISK_PARAMS_TYPES.keys())
1123 # INIC_* constants are used in opcodes, to create/change nics
1128 INIC_PARAMS_TYPES = {
1129 INIC_IP: VTYPE_MAYBE_STRING,
1130 INIC_LINK: VTYPE_STRING,
1131 INIC_MAC: VTYPE_STRING,
1132 INIC_MODE: VTYPE_STRING,
1134 INIC_PARAMS = frozenset(INIC_PARAMS_TYPES.keys())
1136 # Hypervisor constants
1137 HT_XEN_PVM = "xen-pvm"
1139 HT_XEN_HVM = "xen-hvm"
1141 HT_CHROOT = "chroot"
1143 HYPER_TYPES = frozenset([
1151 HTS_REQ_PORT = frozenset([HT_XEN_HVM, HT_KVM])
1153 VNC_BASE_PORT = 5900
1154 VNC_PASSWORD_FILE = CONF_DIR + "/vnc-cluster-password"
1155 VNC_DEFAULT_BIND_ADDRESS = IP4_ADDRESS_ANY
1158 HT_NIC_RTL8139 = "rtl8139"
1159 HT_NIC_NE2K_PCI = "ne2k_pci"
1160 HT_NIC_NE2K_ISA = "ne2k_isa"
1161 HT_NIC_I82551 = "i82551"
1162 HT_NIC_I85557B = "i82557b"
1163 HT_NIC_I8259ER = "i82559er"
1164 HT_NIC_PCNET = "pcnet"
1165 HT_NIC_E1000 = "e1000"
1166 HT_NIC_PARAVIRTUAL = HT_DISK_PARAVIRTUAL = "paravirtual"
1168 HT_HVM_VALID_NIC_TYPES = frozenset([
1175 HT_KVM_VALID_NIC_TYPES = frozenset([
1188 HT_DISK_IOEMU = "ioemu"
1190 HT_DISK_SCSI = "scsi"
1193 HT_DISK_PFLASH = "pflash"
1195 HT_CACHE_DEFAULT = "default"
1196 HT_CACHE_NONE = "none"
1197 HT_CACHE_WTHROUGH = "writethrough"
1198 HT_CACHE_WBACK = "writeback"
1199 HT_VALID_CACHE_TYPES = frozenset([
1206 HT_HVM_VALID_DISK_TYPES = frozenset([HT_DISK_PARAVIRTUAL, HT_DISK_IOEMU])
1207 HT_KVM_VALID_DISK_TYPES = frozenset([
1208 HT_DISK_PARAVIRTUAL,
1217 HT_MOUSE_MOUSE = "mouse"
1218 HT_MOUSE_TABLET = "tablet"
1220 HT_KVM_VALID_MOUSE_TYPES = frozenset([HT_MOUSE_MOUSE, HT_MOUSE_TABLET])
1223 HT_BO_FLOPPY = "floppy"
1224 HT_BO_CDROM = "cdrom"
1226 HT_BO_NETWORK = "network"
1228 HT_KVM_VALID_BO_TYPES = frozenset([
1235 # SPICE lossless image compression options
1236 HT_KVM_SPICE_LOSSLESS_IMG_COMPR_AUTO_GLZ = "auto_glz"
1237 HT_KVM_SPICE_LOSSLESS_IMG_COMPR_AUTO_LZ = "auto_lz"
1238 HT_KVM_SPICE_LOSSLESS_IMG_COMPR_QUIC = "quic"
1239 HT_KVM_SPICE_LOSSLESS_IMG_COMPR_GLZ = "glz"
1240 HT_KVM_SPICE_LOSSLESS_IMG_COMPR_LZ = "lz"
1241 HT_KVM_SPICE_LOSSLESS_IMG_COMPR_OFF = "off"
1243 HT_KVM_SPICE_VALID_LOSSLESS_IMG_COMPR_OPTIONS = frozenset([
1244 HT_KVM_SPICE_LOSSLESS_IMG_COMPR_AUTO_GLZ,
1245 HT_KVM_SPICE_LOSSLESS_IMG_COMPR_AUTO_LZ,
1246 HT_KVM_SPICE_LOSSLESS_IMG_COMPR_QUIC,
1247 HT_KVM_SPICE_LOSSLESS_IMG_COMPR_GLZ,
1248 HT_KVM_SPICE_LOSSLESS_IMG_COMPR_LZ,
1249 HT_KVM_SPICE_LOSSLESS_IMG_COMPR_OFF,
1252 # SPICE lossy image compression options (valid for both jpeg and zlib-glz)
1253 HT_KVM_SPICE_LOSSY_IMG_COMPR_AUTO = "auto"
1254 HT_KVM_SPICE_LOSSY_IMG_COMPR_NEVER = "never"
1255 HT_KVM_SPICE_LOSSY_IMG_COMPR_ALWAYS = "always"
1257 HT_KVM_SPICE_VALID_LOSSY_IMG_COMPR_OPTIONS = frozenset([
1258 HT_KVM_SPICE_LOSSY_IMG_COMPR_AUTO,
1259 HT_KVM_SPICE_LOSSY_IMG_COMPR_NEVER,
1260 HT_KVM_SPICE_LOSSY_IMG_COMPR_ALWAYS,
1263 # SPICE video stream detection
1264 HT_KVM_SPICE_VIDEO_STREAM_DETECTION_OFF = "off"
1265 HT_KVM_SPICE_VIDEO_STREAM_DETECTION_ALL = "all"
1266 HT_KVM_SPICE_VIDEO_STREAM_DETECTION_FILTER = "filter"
1268 HT_KVM_SPICE_VALID_VIDEO_STREAM_DETECTION_OPTIONS = frozenset([
1269 HT_KVM_SPICE_VIDEO_STREAM_DETECTION_OFF,
1270 HT_KVM_SPICE_VIDEO_STREAM_DETECTION_ALL,
1271 HT_KVM_SPICE_VIDEO_STREAM_DETECTION_FILTER,
1279 HT_KVM_VALID_SM_TYPES = frozenset([HT_SM_NONE, HT_SM_USER, HT_SM_POOL])
1282 HT_KVM_ENABLED = "enabled"
1283 HT_KVM_DISABLED = "disabled"
1285 HT_KVM_FLAG_VALUES = frozenset([HT_KVM_ENABLED, HT_KVM_DISABLED])
1288 HT_MIGRATION_LIVE = "live"
1289 HT_MIGRATION_NONLIVE = "non-live"
1290 HT_MIGRATION_MODES = frozenset([HT_MIGRATION_LIVE, HT_MIGRATION_NONLIVE])
1292 # Cluster Verify steps
1293 VERIFY_NPLUSONE_MEM = "nplusone_mem"
1294 VERIFY_OPTIONAL_CHECKS = frozenset([VERIFY_NPLUSONE_MEM])
1296 # Cluster Verify error classes
1297 CV_TCLUSTER = "cluster"
1299 CV_TINSTANCE = "instance"
1301 # Cluster Verify error codes and documentation
1303 (CV_TCLUSTER, "ECLUSTERCFG", "Cluster configuration verification failure")
1305 (CV_TCLUSTER, "ECLUSTERCERT",
1306 "Cluster certificate files verification failure")
1307 CV_ECLUSTERFILECHECK = \
1308 (CV_TCLUSTER, "ECLUSTERFILECHECK",
1309 "Cluster configuration verification failure")
1310 CV_ECLUSTERDANGLINGNODES = \
1311 (CV_TNODE, "ECLUSTERDANGLINGNODES",
1312 "Some nodes belong to non-existing groups")
1313 CV_ECLUSTERDANGLINGINST = \
1314 (CV_TNODE, "ECLUSTERDANGLINGINST",
1315 "Some instances have a non-existing primary node")
1316 CV_EINSTANCEBADNODE = \
1317 (CV_TINSTANCE, "EINSTANCEBADNODE",
1318 "Instance marked as running lives on an offline node")
1319 CV_EINSTANCEDOWN = \
1320 (CV_TINSTANCE, "EINSTANCEDOWN", "Instance not running on its primary node")
1321 CV_EINSTANCELAYOUT = \
1322 (CV_TINSTANCE, "EINSTANCELAYOUT", "Instance has multiple secondary nodes")
1323 CV_EINSTANCEMISSINGDISK = \
1324 (CV_TINSTANCE, "EINSTANCEMISSINGDISK", "Missing volume on an instance")
1325 CV_EINSTANCEFAULTYDISK = \
1326 (CV_TINSTANCE, "EINSTANCEFAULTYDISK",
1327 "Impossible to retrieve status for a disk")
1328 CV_EINSTANCEWRONGNODE = \
1329 (CV_TINSTANCE, "EINSTANCEWRONGNODE", "Instance running on the wrong node")
1330 CV_EINSTANCESPLITGROUPS = \
1331 (CV_TINSTANCE, "EINSTANCESPLITGROUPS",
1332 "Instance with primary and secondary nodes in different groups")
1333 CV_EINSTANCEPOLICY = \
1334 (CV_TINSTANCE, "EINSTANCEPOLICY",
1335 "Instance does not meet policy")
1337 (CV_TNODE, "ENODEDRBD", "Error parsing the DRBD status file")
1338 CV_ENODEDRBDHELPER = \
1339 (CV_TNODE, "ENODEDRBDHELPER", "Error caused by the DRBD helper")
1340 CV_ENODEFILECHECK = \
1341 (CV_TNODE, "ENODEFILECHECK",
1342 "Error retrieving the checksum of the node files")
1344 (CV_TNODE, "ENODEHOOKS", "Communication failure in hooks execution")
1346 (CV_TNODE, "ENODEHV", "Hypervisor parameters verification failure")
1348 (CV_TNODE, "ENODELVM", "LVM-related node error")
1350 (CV_TNODE, "ENODEN1", "Not enough memory to accommodate instance failovers")
1352 (CV_TNODE, "ENODENET", "Network-related node error")
1354 (CV_TNODE, "ENODEOS", "OS-related node error")
1355 CV_ENODEORPHANINSTANCE = \
1356 (CV_TNODE, "ENODEORPHANINSTANCE", "Unknown intance running on a node")
1357 CV_ENODEORPHANLV = \
1358 (CV_TNODE, "ENODEORPHANLV", "Unknown LVM logical volume")
1360 (CV_TNODE, "ENODERPC",
1361 "Error during connection to the primary node of an instance")
1363 (CV_TNODE, "ENODESSH", "SSH-related node error")
1365 (CV_TNODE, "ENODEVERSION",
1366 "Protocol version mismatch or Ganeti version mismatch")
1368 (CV_TNODE, "ENODESETUP", "Node setup error")
1370 (CV_TNODE, "ENODETIME", "Node returned invalid time")
1372 (CV_TNODE, "ENODEOOBPATH", "Invalid Out Of Band path")
1373 CV_ENODEUSERSCRIPTS = \
1374 (CV_TNODE, "ENODEUSERSCRIPTS", "User scripts not present or not executable")
1376 CV_ALL_ECODES = frozenset([
1379 CV_ECLUSTERFILECHECK,
1380 CV_ECLUSTERDANGLINGNODES,
1381 CV_ECLUSTERDANGLINGINST,
1382 CV_EINSTANCEBADNODE,
1385 CV_EINSTANCEMISSINGDISK,
1386 CV_EINSTANCEFAULTYDISK,
1387 CV_EINSTANCEWRONGNODE,
1388 CV_EINSTANCESPLITGROUPS,
1399 CV_ENODEORPHANINSTANCE,
1407 CV_ENODEUSERSCRIPTS,
1410 CV_ALL_ECODES_STRINGS = frozenset(estr for (_, estr, _) in CV_ALL_ECODES)
1412 # Node verify constants
1413 NV_DRBDHELPER = "drbd-helper"
1414 NV_DRBDLIST = "drbd-list"
1415 NV_FILELIST = "filelist"
1416 NV_HVINFO = "hvinfo"
1417 NV_HYPERVISOR = "hypervisor"
1418 NV_HVPARAMS = "hvparms"
1419 NV_INSTANCELIST = "instancelist"
1420 NV_LVLIST = "lvlist"
1421 NV_MASTERIP = "master-ip"
1422 NV_NODELIST = "nodelist"
1423 NV_NODENETTEST = "node-net-test"
1424 NV_NODESETUP = "nodesetup"
1425 NV_OSLIST = "oslist"
1426 NV_PVLIST = "pvlist"
1428 NV_VERSION = "version"
1429 NV_VGLIST = "vglist"
1430 NV_VMNODES = "vmnodes"
1431 NV_OOB_PATHS = "oob-paths"
1432 NV_BRIDGES = "bridges"
1433 NV_USERSCRIPTS = "user-scripts"
1436 INSTST_RUNNING = "running"
1437 INSTST_ADMINDOWN = "ADMIN_down"
1438 INSTST_ADMINOFFLINE = "ADMIN_offline"
1439 INSTST_NODEOFFLINE = "ERROR_nodeoffline"
1440 INSTST_NODEDOWN = "ERROR_nodedown"
1441 INSTST_WRONGNODE = "ERROR_wrongnode"
1442 INSTST_ERRORUP = "ERROR_up"
1443 INSTST_ERRORDOWN = "ERROR_down"
1444 INSTST_ALL = frozenset([
1447 INSTST_ADMINOFFLINE,
1457 ADMINST_DOWN = "down"
1458 ADMINST_OFFLINE = "offline"
1459 ADMINST_ALL = frozenset([
1471 NR_ALL = frozenset([
1479 # SSL certificate check constants (in days)
1480 SSL_CERT_EXPIRATION_WARN = 30
1481 SSL_CERT_EXPIRATION_ERROR = 7
1483 # Allocator framework constants
1484 IALLOCATOR_VERSION = 2
1485 IALLOCATOR_DIR_IN = "in"
1486 IALLOCATOR_DIR_OUT = "out"
1487 VALID_IALLOCATOR_DIRECTIONS = frozenset([
1491 IALLOCATOR_MODE_ALLOC = "allocate"
1492 IALLOCATOR_MODE_RELOC = "relocate"
1493 IALLOCATOR_MODE_CHG_GROUP = "change-group"
1494 IALLOCATOR_MODE_NODE_EVAC = "node-evacuate"
1495 VALID_IALLOCATOR_MODES = frozenset([
1496 IALLOCATOR_MODE_ALLOC,
1497 IALLOCATOR_MODE_RELOC,
1498 IALLOCATOR_MODE_CHG_GROUP,
1499 IALLOCATOR_MODE_NODE_EVAC,
1501 IALLOCATOR_SEARCH_PATH = _autoconf.IALLOCATOR_SEARCH_PATH
1503 IALLOCATOR_NEVAC_PRI = "primary-only"
1504 IALLOCATOR_NEVAC_SEC = "secondary-only"
1505 IALLOCATOR_NEVAC_ALL = "all"
1506 IALLOCATOR_NEVAC_MODES = frozenset([
1507 IALLOCATOR_NEVAC_PRI,
1508 IALLOCATOR_NEVAC_SEC,
1509 IALLOCATOR_NEVAC_ALL,
1513 NODE_EVAC_PRI = "primary-only"
1514 NODE_EVAC_SEC = "secondary-only"
1515 NODE_EVAC_ALL = "all"
1516 NODE_EVAC_MODES = frozenset([
1523 JOB_QUEUE_VERSION = 1
1524 JOB_QUEUE_LOCK_FILE = QUEUE_DIR + "/lock"
1525 JOB_QUEUE_VERSION_FILE = QUEUE_DIR + "/version"
1526 JOB_QUEUE_SERIAL_FILE = QUEUE_DIR + "/serial"
1527 JOB_QUEUE_ARCHIVE_DIR = QUEUE_DIR + "/archive"
1528 JOB_QUEUE_DRAIN_FILE = QUEUE_DIR + "/drain"
1529 JOB_QUEUE_SIZE_HARD_LIMIT = 5000
1530 JOB_QUEUE_DIRS = [QUEUE_DIR, JOB_QUEUE_ARCHIVE_DIR]
1531 JOB_QUEUE_DIRS_MODE = SECURE_DIR_MODE
1533 JOB_ID_TEMPLATE = r"\d+"
1534 JOB_FILE_RE = re.compile(r"^job-(%s)$" % JOB_ID_TEMPLATE)
1536 # unchanged job return
1537 JOB_NOTCHANGED = "nochange"
1540 JOB_STATUS_QUEUED = "queued"
1541 JOB_STATUS_WAITING = "waiting"
1542 JOB_STATUS_CANCELING = "canceling"
1543 JOB_STATUS_RUNNING = "running"
1544 JOB_STATUS_CANCELED = "canceled"
1545 JOB_STATUS_SUCCESS = "success"
1546 JOB_STATUS_ERROR = "error"
1547 JOBS_FINALIZED = frozenset([
1548 JOB_STATUS_CANCELED,
1552 JOB_STATUS_ALL = frozenset([
1555 JOB_STATUS_CANCELING,
1561 OP_STATUS_QUEUED = "queued"
1562 OP_STATUS_WAITING = "waiting"
1563 OP_STATUS_CANCELING = "canceling"
1564 OP_STATUS_RUNNING = "running"
1566 OP_STATUS_CANCELED = "canceled"
1567 OP_STATUS_SUCCESS = "success"
1568 OP_STATUS_ERROR = "error"
1569 OPS_FINALIZED = frozenset([
1576 OP_PRIO_LOWEST = +19
1577 OP_PRIO_HIGHEST = -20
1583 OP_PRIO_SUBMIT_VALID = frozenset([
1589 OP_PRIO_DEFAULT = OP_PRIO_NORMAL
1591 # Lock recalculate mode
1592 LOCKS_REPLACE = "replace"
1593 LOCKS_APPEND = "append"
1595 # Lock timeout (sum) before we should go into blocking acquire (still
1596 # can be reset by priority change); computed as max time (10 hours)
1597 # before we should actually go into blocking acquire given that we
1598 # start from default priority level; in seconds
1600 LOCK_ATTEMPTS_TIMEOUT = 10 * 3600 / (OP_PRIO_DEFAULT - OP_PRIO_HIGHEST)
1601 LOCK_ATTEMPTS_MAXWAIT = 15.0
1602 LOCK_ATTEMPTS_MINWAIT = 1.0
1604 # Execution log types
1605 ELOG_MESSAGE = "message"
1606 ELOG_PROGRESS = "progress"
1607 ELOG_REMOTE_IMPORT = "remote-import"
1608 ELOG_JQUEUE_TEST = "jqueue-test"
1610 # /etc/hosts modification
1611 ETC_HOSTS_ADD = "add"
1612 ETC_HOSTS_REMOVE = "remove"
1615 JQT_MSGPREFIX = "TESTMSG="
1616 JQT_EXPANDNAMES = "expandnames"
1618 JQT_LOGMSG = "logmsg"
1619 JQT_STARTMSG = "startmsg"
1620 JQT_ALL = frozenset([
1628 QR_INSTANCE = "instance"
1635 #: List of resources which can be queried using L{opcodes.OpQuery}
1636 QR_VIA_OP = frozenset([QR_INSTANCE, QR_NODE, QR_GROUP, QR_OS])
1638 #: List of resources which can be queried using Local UniX Interface
1639 QR_VIA_LUXI = QR_VIA_OP.union([
1644 #: List of resources which can be queried using RAPI
1645 QR_VIA_RAPI = QR_VIA_LUXI
1648 QFT_UNKNOWN = "unknown"
1651 QFT_NUMBER = "number"
1653 QFT_TIMESTAMP = "timestamp"
1656 #: All query field types
1657 QFT_ALL = frozenset([
1667 # Query result field status (don't change or reuse values as they're used by
1669 #: Normal field status
1673 #: No data (e.g. RPC error), can be used instead of L{RS_OFFLINE}
1675 #: Value unavailable/unsupported for item; if this field is supported
1676 #: but we cannot get the data for the moment, RS_NODATA or
1677 #: RS_OFFLINE should be used
1679 #: Resource marked offline
1682 RS_ALL = frozenset([
1690 #: Dictionary with special field cases and their verbose/terse formatting
1692 RS_UNKNOWN: ("(unknown)", "??"),
1693 RS_NODATA: ("(nodata)", "?"),
1694 RS_OFFLINE: ("(offline)", "*"),
1695 RS_UNAVAIL: ("(unavail)", "-"),
1698 # max dynamic devices
1703 SS_CLUSTER_NAME = "cluster_name"
1704 SS_CLUSTER_TAGS = "cluster_tags"
1705 SS_FILE_STORAGE_DIR = "file_storage_dir"
1706 SS_SHARED_FILE_STORAGE_DIR = "shared_file_storage_dir"
1707 SS_MASTER_CANDIDATES = "master_candidates"
1708 SS_MASTER_CANDIDATES_IPS = "master_candidates_ips"
1709 SS_MASTER_IP = "master_ip"
1710 SS_MASTER_NETDEV = "master_netdev"
1711 SS_MASTER_NETMASK = "master_netmask"
1712 SS_MASTER_NODE = "master_node"
1713 SS_NODE_LIST = "node_list"
1714 SS_NODE_PRIMARY_IPS = "node_primary_ips"
1715 SS_NODE_SECONDARY_IPS = "node_secondary_ips"
1716 SS_OFFLINE_NODES = "offline_nodes"
1717 SS_ONLINE_NODES = "online_nodes"
1718 SS_PRIMARY_IP_FAMILY = "primary_ip_family"
1719 SS_INSTANCE_LIST = "instance_list"
1720 SS_RELEASE_VERSION = "release_version"
1721 SS_HYPERVISOR_LIST = "hypervisor_list"
1722 SS_MAINTAIN_NODE_HEALTH = "maintain_node_health"
1723 SS_UID_POOL = "uid_pool"
1724 SS_NODEGROUPS = "nodegroups"
1726 SS_FILE_PERMS = 0444
1728 # cluster wide default parameters
1729 DEFAULT_ENABLED_HYPERVISOR = HT_XEN_PVM
1733 HV_USE_BOOTLOADER: False,
1734 HV_BOOTLOADER_PATH: XEN_BOOTLOADER,
1735 HV_BOOTLOADER_ARGS: "",
1736 HV_KERNEL_PATH: XEN_KERNEL,
1738 HV_ROOT_PATH: "/dev/sda1",
1739 HV_KERNEL_ARGS: "ro",
1740 HV_MIGRATION_PORT: 8002,
1741 HV_MIGRATION_MODE: HT_MIGRATION_LIVE,
1742 HV_BLOCKDEV_PREFIX: "sd",
1743 HV_REBOOT_BEHAVIOR: INSTANCE_REBOOT_ALLOWED,
1744 HV_CPU_MASK: CPU_PINNING_ALL,
1747 HV_BOOT_ORDER: "cd",
1748 HV_CDROM_IMAGE_PATH: "",
1749 HV_NIC_TYPE: HT_NIC_RTL8139,
1750 HV_DISK_TYPE: HT_DISK_PARAVIRTUAL,
1751 HV_VNC_BIND_ADDRESS: IP4_ADDRESS_ANY,
1752 HV_VNC_PASSWORD_FILE: VNC_PASSWORD_FILE,
1755 HV_KERNEL_PATH: "/usr/lib/xen/boot/hvmloader",
1756 HV_DEVICE_MODEL: "/usr/lib/xen/bin/qemu-dm",
1757 HV_MIGRATION_PORT: 8002,
1758 HV_MIGRATION_MODE: HT_MIGRATION_NONLIVE,
1759 HV_USE_LOCALTIME: False,
1760 HV_BLOCKDEV_PREFIX: "hd",
1761 HV_REBOOT_BEHAVIOR: INSTANCE_REBOOT_ALLOWED,
1762 HV_CPU_MASK: CPU_PINNING_ALL,
1765 HV_KERNEL_PATH: KVM_KERNEL,
1767 HV_KERNEL_ARGS: "ro",
1768 HV_ROOT_PATH: "/dev/vda1",
1770 HV_SERIAL_CONSOLE: True,
1771 HV_VNC_BIND_ADDRESS: "",
1774 HV_VNC_X509_VERIFY: False,
1775 HV_VNC_PASSWORD_FILE: "",
1776 HV_KVM_SPICE_BIND: "",
1777 HV_KVM_SPICE_IP_VERSION: IFACE_NO_IP_VERSION_SPECIFIED,
1778 HV_KVM_SPICE_PASSWORD_FILE: "",
1779 HV_KVM_SPICE_LOSSLESS_IMG_COMPR: "",
1780 HV_KVM_SPICE_JPEG_IMG_COMPR: "",
1781 HV_KVM_SPICE_ZLIB_GLZ_IMG_COMPR: "",
1782 HV_KVM_SPICE_STREAMING_VIDEO_DETECTION: "",
1783 HV_KVM_SPICE_AUDIO_COMPR: True,
1784 HV_KVM_SPICE_USE_TLS: False,
1785 HV_KVM_SPICE_TLS_CIPHERS: OPENSSL_CIPHERS,
1786 HV_KVM_SPICE_USE_VDAGENT: True,
1787 HV_KVM_FLOPPY_IMAGE_PATH: "",
1788 HV_CDROM_IMAGE_PATH: "",
1789 HV_KVM_CDROM2_IMAGE_PATH: "",
1790 HV_BOOT_ORDER: HT_BO_DISK,
1791 HV_NIC_TYPE: HT_NIC_PARAVIRTUAL,
1792 HV_DISK_TYPE: HT_DISK_PARAVIRTUAL,
1793 HV_KVM_CDROM_DISK_TYPE: "",
1796 HV_MIGRATION_PORT: 8102,
1797 HV_MIGRATION_BANDWIDTH: 32, # MiB/s
1798 HV_MIGRATION_DOWNTIME: 30, # ms
1799 HV_MIGRATION_MODE: HT_MIGRATION_LIVE,
1800 HV_USE_LOCALTIME: False,
1801 HV_DISK_CACHE: HT_CACHE_DEFAULT,
1802 HV_SECURITY_MODEL: HT_SM_NONE,
1803 HV_SECURITY_DOMAIN: "",
1805 HV_VHOST_NET: False,
1806 HV_KVM_USE_CHROOT: False,
1808 HV_REBOOT_BEHAVIOR: INSTANCE_REBOOT_ALLOWED,
1809 HV_CPU_MASK: CPU_PINNING_ALL,
1814 HV_INIT_SCRIPT: "/ganeti-chroot",
1821 HVC_GLOBALS = frozenset([
1823 HV_MIGRATION_BANDWIDTH,
1831 BE_AUTO_BALANCE: True,
1832 BE_ALWAYS_FAILOVER: False,
1837 ND_OOB_PROGRAM: None,
1838 ND_SPINDLE_COUNT: 1,
1841 DISK_LD_DEFAULTS = {
1843 LDP_RESYNC_RATE: CLASSIC_DRBD_SYNC_SPEED,
1844 LDP_BARRIERS: _autoconf.DRBD_BARRIERS,
1845 LDP_NO_META_FLUSH: _autoconf.DRBD_NO_META_FLUSH,
1846 LDP_DEFAULT_METAVG: DEFAULT_VG,
1847 LDP_DISK_CUSTOM: "",
1849 LDP_DYNAMIC_RESYNC: False,
1851 # The default values for the DRBD dynamic resync speed algorithm are taken
1852 # from the drbsetup 8.3.11 man page, except for c-plan-ahead (that we
1853 # don't need to set to 0, because we have a separate option to enable it)
1854 # and for c-max-rate, that we cap to the default value for the static resync
1856 LDP_PLAN_AHEAD: 20, # ds
1857 LDP_FILL_TARGET: 0, # sectors
1858 LDP_DELAY_TARGET: 1, # ds
1859 LDP_MAX_RATE: CLASSIC_DRBD_SYNC_SPEED, # KiB/s
1860 LDP_MIN_RATE: 4 * 1024, # KiB/s
1863 LDP_STRIPES: _autoconf.LVM_STRIPECOUNT
1874 # readability shortcuts
1875 _LV_DEFAULTS = DISK_LD_DEFAULTS[LD_LV]
1876 _DRBD_DEFAULTS = DISK_LD_DEFAULTS[LD_DRBD8]
1878 DISK_DT_DEFAULTS = {
1880 LV_STRIPES: DISK_LD_DEFAULTS[LD_LV][LDP_STRIPES],
1883 DRBD_RESYNC_RATE: _DRBD_DEFAULTS[LDP_RESYNC_RATE],
1884 DRBD_DATA_STRIPES: _LV_DEFAULTS[LDP_STRIPES],
1885 DRBD_META_STRIPES: _LV_DEFAULTS[LDP_STRIPES],
1886 DRBD_DISK_BARRIERS: _DRBD_DEFAULTS[LDP_BARRIERS],
1887 DRBD_META_BARRIERS: _DRBD_DEFAULTS[LDP_NO_META_FLUSH],
1888 DRBD_DEFAULT_METAVG: _DRBD_DEFAULTS[LDP_DEFAULT_METAVG],
1889 DRBD_DISK_CUSTOM: _DRBD_DEFAULTS[LDP_DISK_CUSTOM],
1890 DRBD_NET_CUSTOM: _DRBD_DEFAULTS[LDP_NET_CUSTOM],
1891 DRBD_DYNAMIC_RESYNC: _DRBD_DEFAULTS[LDP_DYNAMIC_RESYNC],
1892 DRBD_PLAN_AHEAD: _DRBD_DEFAULTS[LDP_PLAN_AHEAD],
1893 DRBD_FILL_TARGET: _DRBD_DEFAULTS[LDP_FILL_TARGET],
1894 DRBD_DELAY_TARGET: _DRBD_DEFAULTS[LDP_DELAY_TARGET],
1895 DRBD_MAX_RATE: _DRBD_DEFAULTS[LDP_MAX_RATE],
1896 DRBD_MIN_RATE: _DRBD_DEFAULTS[LDP_MIN_RATE],
1907 RBD_POOL: DISK_LD_DEFAULTS[LD_RBD][LDP_POOL]
1911 # we don't want to export the shortcuts
1912 del _LV_DEFAULTS, _DRBD_DEFAULTS
1915 NIC_MODE: NIC_MODE_BRIDGED,
1916 NIC_LINK: DEFAULT_BRIDGE,
1919 # All of the following values are quite arbitrarily - there are no
1920 # "good" defaults, these must be customised per-site
1921 IPOLICY_DEFAULTS = {
1923 ISPEC_MEM_SIZE: 128,
1925 ISPEC_DISK_COUNT: 1,
1926 ISPEC_DISK_SIZE: 1024,
1928 ISPEC_SPINDLE_USE: 1,
1931 ISPEC_MEM_SIZE: 32768,
1933 ISPEC_DISK_COUNT: MAX_DISKS,
1934 ISPEC_DISK_SIZE: 1024 * 1024,
1935 ISPEC_NIC_COUNT: MAX_NICS,
1936 ISPEC_SPINDLE_USE: 12,
1939 ISPEC_MEM_SIZE: 128,
1941 ISPEC_DISK_COUNT: 1,
1942 ISPEC_DISK_SIZE: 1024,
1944 ISPEC_SPINDLE_USE: 1,
1946 IPOLICY_DTS: DISK_TEMPLATES,
1947 IPOLICY_VCPU_RATIO: 4.0,
1948 IPOLICY_SPINDLE_RATIO: 32.0,
1951 MASTER_POOL_SIZE_DEFAULT = 10
1953 CONFD_PROTOCOL_VERSION = 1
1956 CONFD_REQ_NODE_ROLE_BYNAME = 1
1957 CONFD_REQ_NODE_PIP_BY_INSTANCE_IP = 2
1958 CONFD_REQ_CLUSTER_MASTER = 3
1959 CONFD_REQ_NODE_PIP_LIST = 4
1960 CONFD_REQ_MC_PIP_LIST = 5
1961 CONFD_REQ_INSTANCES_IPS_LIST = 6
1963 # Confd request query fields. These are used to narrow down queries.
1964 # These must be strings rather than integers, because json-encoding
1965 # converts them to strings anyway, as they're used as dict-keys.
1966 CONFD_REQQ_LINK = "0"
1968 CONFD_REQQ_IPLIST = "2"
1969 CONFD_REQQ_FIELDS = "3"
1971 CONFD_REQFIELD_NAME = "0"
1972 CONFD_REQFIELD_IP = "1"
1973 CONFD_REQFIELD_MNODE_PIP = "2"
1975 CONFD_REQS = frozenset([
1977 CONFD_REQ_NODE_ROLE_BYNAME,
1978 CONFD_REQ_NODE_PIP_BY_INSTANCE_IP,
1979 CONFD_REQ_CLUSTER_MASTER,
1980 CONFD_REQ_NODE_PIP_LIST,
1981 CONFD_REQ_MC_PIP_LIST,
1982 CONFD_REQ_INSTANCES_IPS_LIST,
1985 CONFD_REPL_STATUS_OK = 0
1986 CONFD_REPL_STATUS_ERROR = 1
1987 CONFD_REPL_STATUS_NOTIMPLEMENTED = 2
1989 CONFD_REPL_STATUSES = frozenset([
1990 CONFD_REPL_STATUS_OK,
1991 CONFD_REPL_STATUS_ERROR,
1992 CONFD_REPL_STATUS_NOTIMPLEMENTED,
1995 (CONFD_NODE_ROLE_MASTER,
1996 CONFD_NODE_ROLE_CANDIDATE,
1997 CONFD_NODE_ROLE_OFFLINE,
1998 CONFD_NODE_ROLE_DRAINED,
1999 CONFD_NODE_ROLE_REGULAR,
2002 # A few common errors for confd
2003 CONFD_ERROR_UNKNOWN_ENTRY = 1
2004 CONFD_ERROR_INTERNAL = 2
2005 CONFD_ERROR_ARGUMENT = 3
2007 # Each request is "salted" by the current timestamp.
2008 # This constants decides how many seconds of skew to accept.
2009 # TODO: make this a default and allow the value to be more configurable
2010 CONFD_MAX_CLOCK_SKEW = 2 * NODE_MAX_CLOCK_SKEW
2012 # When we haven't reloaded the config for more than this amount of seconds, we
2013 # force a test to see if inotify is betraying us.
2014 CONFD_CONFIG_RELOAD_TIMEOUT = 60
2016 # If we receive more than one update in this amount of seconds, we move to
2017 # polling every RATELIMIT seconds, rather than relying on inotify, to be able
2018 # to serve more requests.
2019 CONFD_CONFIG_RELOAD_RATELIMIT = 2
2021 # Magic number prepended to all confd queries.
2022 # This allows us to distinguish different types of confd protocols and handle
2023 # them. For example by changing this we can move the whole payload to be
2024 # compressed, or move away from json.
2025 CONFD_MAGIC_FOURCC = "plj0"
2027 # By default a confd request is sent to the minimum between this number and all
2028 # MCs. 6 was chosen because even in the case of a disastrous 50% response rate,
2029 # we should have enough answers to be able to compare more than one.
2030 CONFD_DEFAULT_REQ_COVERAGE = 6
2032 # Timeout in seconds to expire pending query request in the confd client
2033 # library. We don't actually expect any answer more than 10 seconds after we
2035 CONFD_CLIENT_EXPIRE_TIMEOUT = 10
2037 # Maximum UDP datagram size.
2038 # On IPv4: 64K - 20 (ip header size) - 8 (udp header size) = 65507
2039 # On IPv6: 64K - 40 (ip6 header size) - 8 (udp header size) = 65487
2040 # (assuming we can't use jumbo frames)
2041 # We just set this to 60K, which should be enough
2042 MAX_UDP_DATA_SIZE = 61440
2044 # User-id pool minimum/maximum acceptable user-ids.
2046 UIDPOOL_UID_MAX = 2 ** 32 - 1 # Assuming 32 bit user-ids
2048 # Name or path of the pgrep command
2051 # Name of the node group that gets created at cluster init or upgrade
2052 INITIAL_NODE_GROUP_NAME = "default"
2054 # Possible values for NodeGroup.alloc_policy
2055 ALLOC_POLICY_PREFERRED = "preferred"
2056 ALLOC_POLICY_LAST_RESORT = "last_resort"
2057 ALLOC_POLICY_UNALLOCABLE = "unallocable"
2058 VALID_ALLOC_POLICIES = [
2059 ALLOC_POLICY_PREFERRED,
2060 ALLOC_POLICY_LAST_RESORT,
2061 ALLOC_POLICY_UNALLOCABLE,
2064 # Temporary external/shared storage parameters
2065 BLOCKDEV_DRIVER_MANUAL = "manual"
2067 # qemu-img path, required for ovfconverter
2068 QEMUIMG_PATH = _autoconf.QEMUIMG_PATH
2070 # Whether htools was enabled at compilation time
2071 HTOOLS = _autoconf.HTOOLS
2072 # The hail iallocator
2073 IALLOC_HAIL = "hail"
2075 # Fake opcodes for functions that have hooks attached to them via
2076 # backend.RunLocalHooks
2077 FAKE_OP_MASTER_TURNUP = "OP_CLUSTER_IP_TURNUP"
2078 FAKE_OP_MASTER_TURNDOWN = "OP_CLUSTER_IP_TURNDOWN"
2080 # Do not re-export imported modules
2081 del re, _vcsversion, _autoconf, socket