4 # Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011 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."""
26 from ganeti import _autoconf
29 RELEASE_VERSION = _autoconf.PACKAGE_VERSION
33 OS_API_VERSIONS = frozenset([OS_API_V10, OS_API_V15, OS_API_V20])
34 VCS_VERSION = _autoconf.VCS_VERSION
39 # Format for CONFIG_VERSION:
40 # 01 03 0123 = 01030123
42 # | | + Configuration version/revision
46 # It stored as an integer. Make sure not to write an octal number.
48 # BuildVersion and SplitVersion must be in here because we can't import other
49 # modules. The cfgupgrade tool must be able to read and write version numbers
50 # and thus requires these functions. To avoid code duplication, they're kept in
53 def BuildVersion(major, minor, revision):
54 """Calculates int version number from major, minor and revision numbers.
56 Returns: int representing version number
59 assert isinstance(major, int)
60 assert isinstance(minor, int)
61 assert isinstance(revision, int)
62 return (1000000 * major +
67 def SplitVersion(version):
68 """Splits version number stored in an int.
70 Returns: tuple; (major, minor, revision)
73 assert isinstance(version, int)
75 (major, remainder) = divmod(version, 1000000)
76 (minor, revision) = divmod(remainder, 10000)
78 return (major, minor, revision)
81 CONFIG_MAJOR = int(_autoconf.VERSION_MAJOR)
82 CONFIG_MINOR = int(_autoconf.VERSION_MINOR)
84 CONFIG_VERSION = BuildVersion(CONFIG_MAJOR, CONFIG_MINOR, CONFIG_REVISION)
86 #: RPC protocol version
87 PROTOCOL_VERSION = BuildVersion(CONFIG_MAJOR, CONFIG_MINOR, 0)
90 DAEMONS_GROUP = _autoconf.DAEMONS_GROUP
91 ADMIN_GROUP = _autoconf.ADMIN_GROUP
92 MASTERD_USER = _autoconf.MASTERD_USER
93 MASTERD_GROUP = _autoconf.MASTERD_GROUP
94 RAPI_USER = _autoconf.RAPI_USER
95 RAPI_GROUP = _autoconf.RAPI_GROUP
96 CONFD_USER = _autoconf.CONFD_USER
97 CONFD_GROUP = _autoconf.CONFD_GROUP
98 NODED_USER = _autoconf.NODED_USER
99 NODED_GROUP = _autoconf.NODED_GROUP
104 WIPE_BLOCK_SIZE = 1024**2
105 MAX_WIPE_CHUNK = 1024 # 1GB
106 MIN_WIPE_CHUNK_PERCENT = 10
110 DATA_DIR = _autoconf.LOCALSTATEDIR + "/lib/ganeti"
111 RUN_DIR = _autoconf.LOCALSTATEDIR + "/run"
112 RUN_GANETI_DIR = RUN_DIR + "/ganeti"
113 BDEV_CACHE_DIR = RUN_GANETI_DIR + "/bdev-cache"
114 DISK_LINKS_DIR = RUN_GANETI_DIR + "/instance-disks"
116 SOCKET_DIR = RUN_GANETI_DIR + "/socket"
117 SECURE_DIR_MODE = 0700
118 SECURE_FILE_MODE = 0600
119 SOCKET_DIR_MODE = 0750
120 CRYPTO_KEYS_DIR = RUN_GANETI_DIR + "/crypto"
121 CRYPTO_KEYS_DIR_MODE = SECURE_DIR_MODE
122 IMPORT_EXPORT_DIR = RUN_GANETI_DIR + "/import-export"
123 IMPORT_EXPORT_DIR_MODE = 0755
124 ADOPTABLE_BLOCKDEV_ROOT = "/dev/disk/"
125 # keep RUN_GANETI_DIR first here, to make sure all get created when the node
126 # daemon is started (this takes care of RUN_DIR being tmpfs)
127 SUB_RUN_DIRS = [ RUN_GANETI_DIR, BDEV_CACHE_DIR, DISK_LINKS_DIR ]
128 LOCK_DIR = _autoconf.LOCALSTATEDIR + "/lock"
129 SSCONF_LOCK_FILE = LOCK_DIR + "/ganeti-ssconf.lock"
130 # User-id pool lock directory
131 # The user-ids that are in use have a corresponding lock file in this directory
132 UIDPOOL_LOCKDIR = RUN_GANETI_DIR + "/uid-pool"
133 CLUSTER_CONF_FILE = DATA_DIR + "/config.data"
134 NODED_CERT_FILE = DATA_DIR + "/server.pem"
135 RAPI_CERT_FILE = DATA_DIR + "/rapi.pem"
136 CONFD_HMAC_KEY = DATA_DIR + "/hmac.key"
137 CLUSTER_DOMAIN_SECRET_FILE = DATA_DIR + "/cluster-domain-secret"
138 WATCHER_STATEFILE = DATA_DIR + "/watcher.data"
139 WATCHER_PAUSEFILE = DATA_DIR + "/watcher.pause"
140 INSTANCE_UPFILE = RUN_GANETI_DIR + "/instance-status"
141 SSH_KNOWN_HOSTS_FILE = DATA_DIR + "/known_hosts"
142 RAPI_USERS_FILE = DATA_DIR + "/rapi/users"
143 QUEUE_DIR = DATA_DIR + "/queue"
144 DAEMON_UTIL = _autoconf.PKGLIBDIR + "/daemon-util"
145 SETUP_SSH = _autoconf.TOOLSDIR + "/setup-ssh"
146 KVM_IFUP = _autoconf.PKGLIBDIR + "/kvm-ifup"
147 ETC_HOSTS = "/etc/hosts"
148 DEFAULT_FILE_STORAGE_DIR = _autoconf.FILE_STORAGE_DIR
149 DEFAULT_SHARED_FILE_STORAGE_DIR = _autoconf.SHARED_FILE_STORAGE_DIR
150 ENABLE_FILE_STORAGE = _autoconf.ENABLE_FILE_STORAGE
151 ENABLE_SHARED_FILE_STORAGE = _autoconf.ENABLE_SHARED_FILE_STORAGE
152 SYSCONFDIR = _autoconf.SYSCONFDIR
153 TOOLSDIR = _autoconf.TOOLSDIR
154 CONF_DIR = SYSCONFDIR + "/ganeti"
156 ALL_CERT_FILES = frozenset([NODED_CERT_FILE, RAPI_CERT_FILE])
158 MASTER_SOCKET = SOCKET_DIR + "/ganeti-master"
160 NODED = "ganeti-noded"
161 CONFD = "ganeti-confd"
163 MASTERD = "ganeti-masterd"
164 # used in the ganeti-nbma project
168 # daemon-name: ("proto", "default-port")
169 NODED: ("tcp", 1811),
170 CONFD: ("udp", 1814),
173 # used in the ganeti-nbma project
176 DEFAULT_NODED_PORT = DAEMONS_PORTS[NODED][1]
177 DEFAULT_CONFD_PORT = DAEMONS_PORTS[CONFD][1]
178 DEFAULT_RAPI_PORT = DAEMONS_PORTS[RAPI][1]
179 # used in the ganeti-nbma project
180 DEFAULT_NLD_PORT = DAEMONS_PORTS[NLD][1]
182 FIRST_DRBD_PORT = 11000
183 LAST_DRBD_PORT = 14999
184 MASTER_SCRIPT = "ganeti-master"
186 LOG_DIR = _autoconf.LOCALSTATEDIR + "/log/ganeti/"
188 # "daemon-name": "logfile"
189 NODED: LOG_DIR + "node-daemon.log",
190 CONFD: LOG_DIR + "conf-daemon.log",
191 RAPI: LOG_DIR + "rapi-daemon.log",
192 MASTERD: LOG_DIR + "master-daemon.log",
193 # used in the ganeti-nbma project
194 NLD: LOG_DIR + "nl-daemon.log",
197 LOG_OS_DIR = LOG_DIR + "os"
198 LOG_WATCHER = LOG_DIR + "watcher.log"
199 LOG_COMMANDS = LOG_DIR + "commands.log"
200 LOG_BURNIN = LOG_DIR + "burnin.log"
201 LOG_SETUP_SSH = LOG_DIR + "setup-ssh.log"
203 DEV_CONSOLE = "/dev/console"
205 PROC_MOUNTS = "/proc/mounts"
207 # Local UniX Interface related constants
209 LUXI_VERSION = CONFIG_VERSION
211 # one of 'no', 'yes', 'only'
212 SYSLOG_USAGE = _autoconf.SYSLOG_USAGE
216 SYSLOG_SOCKET = "/dev/log"
218 OS_SEARCH_PATH = _autoconf.OS_SEARCH_PATH
219 EXPORT_DIR = _autoconf.EXPORT_DIR
221 EXPORT_CONF_FILE = "config.ini"
223 XEN_BOOTLOADER = _autoconf.XEN_BOOTLOADER
224 XEN_KERNEL = _autoconf.XEN_KERNEL
225 XEN_INITRD = _autoconf.XEN_INITRD
227 KVM_PATH = _autoconf.KVM_PATH
228 SOCAT_PATH = _autoconf.SOCAT_PATH
229 SOCAT_USE_ESCAPE = _autoconf.SOCAT_USE_ESCAPE
230 SOCAT_USE_COMPRESS = _autoconf.SOCAT_USE_COMPRESS
231 SOCAT_ESCAPE_CODE = "0x1d"
233 #: Console as SSH command
236 #: Console as VNC server
239 #: Display a message for console access
243 CONS_ALL = frozenset([CONS_SSH, CONS_VNC, CONS_MESSAGE])
245 # For RSA keys more bits are better, but they also make operations more
246 # expensive. NIST SP 800-131 recommends a minimum of 2048 bits from the year
250 # Ciphers allowed for SSL connections. For the format, see ciphers(1). A better
251 # way to disable ciphers would be to use the exclamation mark (!), but socat
252 # versions below 1.5 can't parse exclamation marks in options properly. When
253 # modifying the ciphers, ensure not to accidentially add something after it's
254 # been removed. Use the "openssl" utility to check the allowed ciphers, e.g.
255 # "openssl ciphers -v HIGH:-DES".
256 OPENSSL_CIPHERS = "HIGH:-DES:-3DES:-EXPORT:-ADH"
258 # Digest used to sign certificates ("openssl x509" uses SHA1 by default)
259 X509_CERT_SIGN_DIGEST = "SHA1"
261 # Default validity of certificates in days
262 X509_CERT_DEFAULT_VALIDITY = 365 * 5
264 # commonName (CN) used in certificates
265 X509_CERT_CN = "ganeti.example.com"
267 X509_CERT_SIGNATURE_HEADER = "X-Ganeti-Signature"
269 IMPORT_EXPORT_DAEMON = _autoconf.PKGLIBDIR + "/import-export"
271 # Import/export daemon mode
272 IEM_IMPORT = "import"
273 IEM_EXPORT = "export"
275 # Import/export transport compression
278 IEC_ALL = frozenset([
283 IE_CUSTOM_SIZE = "fd"
285 IE_MAGIC_RE = re.compile(r"^[-_.a-zA-Z0-9]{5,100}$")
288 # Direct file I/O, equivalent to a shell's I/O redirection using '<' or '>'
290 # Raw block device I/O using "dd"
291 IEIO_RAW_DISK = "raw"
292 # OS definition import/export script
293 IEIO_SCRIPT = "script"
295 VALUE_DEFAULT = "default"
297 VALUE_GENERATE = "generate"
300 VALUE_FALSE = "false"
302 # External script validation mask
303 EXT_PLUGIN_MASK = re.compile("^[a-zA-Z0-9_-]+$")
305 # hooks-related constants
306 HOOKS_BASE_DIR = CONF_DIR + "/hooks"
307 HOOKS_PHASE_PRE = "pre"
308 HOOKS_PHASE_POST = "post"
309 HOOKS_NAME_CFGUPDATE = "config-update"
310 HOOKS_NAME_WATCHER = "watcher"
313 # hooks subject type (what object type does the LU deal with)
314 HTYPE_CLUSTER = "CLUSTER"
316 HTYPE_GROUP = "GROUP"
317 HTYPE_INSTANCE = "INSTANCE"
329 # first two are valid in LU context only, not passed to backend
332 # and the rest are valid in backend
337 SF_ALLOCATABLE = "allocatable"
340 SO_FIX_CONSISTENCY = "fix-consistency"
342 # Available fields per storage type
343 VALID_STORAGE_FIELDS = frozenset([SF_NAME, SF_TYPE, SF_SIZE,
344 SF_USED, SF_FREE, SF_ALLOCATABLE])
346 VALID_STORAGE_TYPES = frozenset([ST_FILE, ST_LVM_PV, ST_LVM_VG])
348 MODIFIABLE_STORAGE_FIELDS = {
349 ST_LVM_PV: frozenset([SF_ALLOCATABLE]),
352 VALID_STORAGE_OPERATIONS = {
353 ST_LVM_VG: frozenset([SO_FIX_CONSISTENCY]),
357 # Note: Code depends on LDS_OKAY < LDS_UNKNOWN < LDS_FAULTY
360 LDS_FAULTY) = range(1, 4)
362 # disk template types
363 DT_DISKLESS = "diskless"
367 DT_SHARED_FILE = "sharedfile"
368 DT_BLOCK = "blockdev"
370 # the set of network-mirrored disk templates
371 DTS_INT_MIRROR = frozenset([DT_DRBD8])
373 # the set of externally-mirrored disk templates (e.g. SAN, NAS)
374 DTS_EXT_MIRROR = frozenset([DT_SHARED_FILE, DT_BLOCK])
376 # the set of non-lvm-based disk templates
377 DTS_NOT_LVM = frozenset([DT_DISKLESS, DT_FILE, DT_SHARED_FILE, DT_BLOCK])
379 # the set of disk templates which can be grown
380 DTS_GROWABLE = frozenset([DT_PLAIN, DT_DRBD8, DT_FILE, DT_SHARED_FILE])
382 # the set of disk templates that allow adoption
383 DTS_MAY_ADOPT = frozenset([DT_PLAIN, DT_BLOCK])
385 # the set of disk templates that *must* use adoption
386 DTS_MUST_ADOPT = frozenset([DT_BLOCK])
388 # the set of disk templates that allow migrations
389 DTS_MIRRORED = frozenset.union(DTS_INT_MIRROR, DTS_EXT_MIRROR)
396 LD_BLOCKDEV = "blockdev"
397 LDS_BLOCK = frozenset([LD_LV, LD_DRBD8, LD_BLOCKDEV])
400 DRBD_HMAC_ALG = "md5"
401 DRBD_NET_PROTOCOL = "C"
402 DRBD_BARRIERS = _autoconf.DRBD_BARRIERS
404 # file backend driver
408 # the set of drbd-like disk types
409 LDS_DRBD = frozenset([LD_DRBD8])
414 DISK_ACCESS_SET = frozenset([DISK_RDONLY, DISK_RDWR])
416 # disk replacement mode
417 REPLACE_DISK_PRI = "replace_on_primary" # replace disks on primary
418 REPLACE_DISK_SEC = "replace_on_secondary" # replace disks on secondary
419 REPLACE_DISK_CHG = "replace_new_secondary" # change secondary node
420 REPLACE_DISK_AUTO = "replace_auto"
421 REPLACE_MODES = frozenset([
428 # Instance export mode
429 EXPORT_MODE_LOCAL = "local"
430 EXPORT_MODE_REMOTE = "remote"
431 EXPORT_MODES = frozenset([
436 # Lock recalculate mode
437 LOCKS_REPLACE = 'replace'
438 LOCKS_APPEND = 'append'
440 # Lock timeout (sum) before we should go into blocking acquire (still
441 # can be reset by priority change); computed as max time (10 hours)
442 # before we should actually go into blocking acquire given that we
443 # start from default priority level; in seconds
444 LOCK_ATTEMPTS_TIMEOUT = 10 * 3600 / 20.0
445 LOCK_ATTEMPTS_MAXWAIT = 15.0
446 LOCK_ATTEMPTS_MINWAIT = 1.0
448 # instance creation modes
449 INSTANCE_CREATE = "create"
450 INSTANCE_IMPORT = "import"
451 INSTANCE_REMOTE_IMPORT = "remote-import"
452 INSTANCE_CREATE_MODES = frozenset([
455 INSTANCE_REMOTE_IMPORT,
458 # Remote import/export handshake message and version
460 RIE_HANDSHAKE = "Hi, I'm Ganeti"
462 # Remote import/export certificate validity in seconds
463 RIE_CERT_VALIDITY = 24 * 60 * 60
465 # Overall timeout for establishing connection
466 RIE_CONNECT_TIMEOUT = 180
468 # Export only: how long to wait per connection attempt (seconds)
469 RIE_CONNECT_ATTEMPT_TIMEOUT = 20
471 # Export only: number of attempts to connect
472 RIE_CONNECT_RETRIES = 10
474 #: Give child process up to 5 seconds to exit after sending a signal
475 CHILD_LINGER_TIMEOUT = 5.0
477 DISK_TEMPLATES = frozenset([DT_DISKLESS, DT_PLAIN, DT_DRBD8,
478 DT_FILE, DT_SHARED_FILE, DT_BLOCK])
480 FILE_DRIVER = frozenset([FD_LOOP, FD_BLKTAP])
482 # import/export config options
483 INISECT_EXP = "export"
484 INISECT_INS = "instance"
485 INISECT_HYP = "hypervisor"
486 INISECT_BEP = "backend"
489 # dynamic device modification
491 DDM_REMOVE = "remove"
492 DDMS_VALUES = frozenset([DDM_ADD, DDM_REMOVE])
499 EXIT_NODESETUP_ERROR = 12
500 EXIT_CONFIRMATION = 13 # need user confirmation
502 #: Exit code for query operations with unknown fields
503 EXIT_UNKNOWN_FIELD = 14
506 TAG_CLUSTER = "cluster"
507 TAG_NODEGROUP = "nodegroup"
509 TAG_INSTANCE = "instance"
510 VALID_TAG_TYPES = frozenset([
517 MAX_TAGS_PER_OBJ = 4096
520 DEFAULT_BRIDGE = "xen-br0"
521 SYNC_SPEED = 60 * 1024
522 IP4_ADDRESS_LOCALHOST = "127.0.0.1"
523 IP4_ADDRESS_ANY = "0.0.0.0"
524 IP6_ADDRESS_LOCALHOST = "::1"
525 IP6_ADDRESS_ANY = "::"
528 TCP_PING_TIMEOUT = 10
529 GANETI_RUNAS = "root"
531 DEFAULT_DRBD_HELPER = "/bin/true"
533 DEFAULT_MAC_PREFIX = "aa:00:00"
534 LVM_STRIPECOUNT = _autoconf.LVM_STRIPECOUNT
535 # default maximum instance wait time, in seconds.
536 DEFAULT_SHUTDOWN_TIMEOUT = 120
537 NODE_MAX_CLOCK_SKEW = 150
538 # Time for an intra-cluster disk transfer to wait for a connection
539 DISK_TRANSFER_CONNECT_TIMEOUT = 60
540 # Disk index separator
541 DISK_SEPARATOR = _autoconf.DISK_SEPARATOR
543 #: Key for job IDs in opcode result
549 RUNPARTS_ERR) = range(3)
551 RUNPARTS_STATUS = frozenset([RUNPARTS_SKIP, RUNPARTS_RUN, RUNPARTS_ERR])
555 RPC_ENCODING_ZLIB_BASE64) = range(2)
557 # os related constants
558 OS_SCRIPT_CREATE = 'create'
559 OS_SCRIPT_IMPORT = 'import'
560 OS_SCRIPT_EXPORT = 'export'
561 OS_SCRIPT_RENAME = 'rename'
562 OS_SCRIPT_VERIFY = 'verify'
563 OS_SCRIPTS = frozenset([OS_SCRIPT_CREATE, OS_SCRIPT_IMPORT,
564 OS_SCRIPT_EXPORT, OS_SCRIPT_RENAME,
567 OS_API_FILE = 'ganeti_api_version'
568 OS_VARIANTS_FILE = 'variants.list'
569 OS_PARAMETERS_FILE = 'parameters.list'
571 OS_VALIDATE_PARAMETERS = 'parameters'
572 OS_VALIDATE_CALLS = frozenset([OS_VALIDATE_PARAMETERS])
575 SSH_CONFIG_DIR = _autoconf.SSH_CONFIG_DIR
576 SSH_HOST_DSA_PRIV = SSH_CONFIG_DIR + "/ssh_host_dsa_key"
577 SSH_HOST_DSA_PUB = SSH_HOST_DSA_PRIV + ".pub"
578 SSH_HOST_RSA_PRIV = SSH_CONFIG_DIR + "/ssh_host_rsa_key"
579 SSH_HOST_RSA_PUB = SSH_HOST_RSA_PRIV + ".pub"
584 INSTANCE_REBOOT_SOFT = "soft"
585 INSTANCE_REBOOT_HARD = "hard"
586 INSTANCE_REBOOT_FULL = "full"
588 REBOOT_TYPES = frozenset([INSTANCE_REBOOT_SOFT,
589 INSTANCE_REBOOT_HARD,
590 INSTANCE_REBOOT_FULL])
592 VTYPE_STRING = 'string'
593 VTYPE_MAYBE_STRING = "maybe-string"
595 VTYPE_SIZE = 'size' # size, in MiBs
597 ENFORCEABLE_TYPES = frozenset([
605 # HV parameter names (global namespace)
606 HV_BOOT_ORDER = "boot_order"
607 HV_CDROM_IMAGE_PATH = "cdrom_image_path"
608 HV_KVM_CDROM2_IMAGE_PATH = "cdrom2_image_path"
609 HV_KVM_FLOPPY_IMAGE_PATH = "floppy_image_path"
610 HV_NIC_TYPE = "nic_type"
611 HV_DISK_TYPE = "disk_type"
612 HV_KVM_CDROM_DISK_TYPE = "cdrom_disk_type"
613 HV_VNC_BIND_ADDRESS = "vnc_bind_address"
614 HV_VNC_PASSWORD_FILE = "vnc_password_file"
615 HV_VNC_TLS = "vnc_tls"
616 HV_VNC_X509 = "vnc_x509_path"
617 HV_VNC_X509_VERIFY = "vnc_x509_verify"
620 HV_USE_BOOTLOADER = "use_bootloader"
621 HV_BOOTLOADER_ARGS = "bootloader_args"
622 HV_BOOTLOADER_PATH = "bootloader_path"
623 HV_KERNEL_ARGS = "kernel_args"
624 HV_KERNEL_PATH = "kernel_path"
625 HV_INITRD_PATH = "initrd_path"
626 HV_ROOT_PATH = "root_path"
627 HV_SERIAL_CONSOLE = "serial_console"
628 HV_USB_MOUSE = "usb_mouse"
629 HV_DEVICE_MODEL = "device_model"
630 HV_INIT_SCRIPT = "init_script"
631 HV_MIGRATION_PORT = "migration_port"
632 HV_MIGRATION_BANDWIDTH = "migration_bandwidth"
633 HV_MIGRATION_DOWNTIME = "migration_downtime"
634 HV_MIGRATION_MODE = "migration_mode"
635 HV_USE_LOCALTIME = "use_localtime"
636 HV_DISK_CACHE = "disk_cache"
637 HV_SECURITY_MODEL = "security_model"
638 HV_SECURITY_DOMAIN = "security_domain"
639 HV_KVM_FLAG = "kvm_flag"
640 HV_VHOST_NET = "vhost_net"
641 HV_KVM_USE_CHROOT = "use_chroot"
642 HV_CPU_MASK = "cpu_mask"
643 HV_MEM_PATH = "mem_path"
644 HV_BLOCKDEV_PREFIX = "blockdev_prefix"
646 HVS_PARAMETER_TYPES = {
647 HV_BOOT_ORDER: VTYPE_STRING,
648 HV_KVM_FLOPPY_IMAGE_PATH: VTYPE_STRING,
649 HV_CDROM_IMAGE_PATH: VTYPE_STRING,
650 HV_KVM_CDROM2_IMAGE_PATH: VTYPE_STRING,
651 HV_NIC_TYPE: VTYPE_STRING,
652 HV_DISK_TYPE: VTYPE_STRING,
653 HV_KVM_CDROM_DISK_TYPE: VTYPE_STRING,
654 HV_VNC_PASSWORD_FILE: VTYPE_STRING,
655 HV_VNC_BIND_ADDRESS: VTYPE_STRING,
656 HV_VNC_TLS: VTYPE_BOOL,
657 HV_VNC_X509: VTYPE_STRING,
658 HV_VNC_X509_VERIFY: VTYPE_BOOL,
661 HV_USE_BOOTLOADER: VTYPE_BOOL,
662 HV_BOOTLOADER_PATH: VTYPE_STRING,
663 HV_BOOTLOADER_ARGS: VTYPE_STRING,
664 HV_KERNEL_PATH: VTYPE_STRING,
665 HV_KERNEL_ARGS: VTYPE_STRING,
666 HV_INITRD_PATH: VTYPE_STRING,
667 HV_ROOT_PATH: VTYPE_MAYBE_STRING,
668 HV_SERIAL_CONSOLE: VTYPE_BOOL,
669 HV_USB_MOUSE: VTYPE_STRING,
670 HV_DEVICE_MODEL: VTYPE_STRING,
671 HV_INIT_SCRIPT: VTYPE_STRING,
672 HV_MIGRATION_PORT: VTYPE_INT,
673 HV_MIGRATION_BANDWIDTH: VTYPE_INT,
674 HV_MIGRATION_DOWNTIME: VTYPE_INT,
675 HV_MIGRATION_MODE: VTYPE_STRING,
676 HV_USE_LOCALTIME: VTYPE_BOOL,
677 HV_DISK_CACHE: VTYPE_STRING,
678 HV_SECURITY_MODEL: VTYPE_STRING,
679 HV_SECURITY_DOMAIN: VTYPE_STRING,
680 HV_KVM_FLAG: VTYPE_STRING,
681 HV_VHOST_NET: VTYPE_BOOL,
682 HV_KVM_USE_CHROOT: VTYPE_BOOL,
683 HV_CPU_MASK: VTYPE_STRING,
684 HV_MEM_PATH: VTYPE_STRING,
685 HV_BLOCKDEV_PREFIX: VTYPE_STRING,
688 HVS_PARAMETERS = frozenset(HVS_PARAMETER_TYPES.keys())
690 # Backend parameter names
693 BE_AUTO_BALANCE = "auto_balance"
695 BES_PARAMETER_TYPES = {
696 BE_MEMORY: VTYPE_SIZE,
698 BE_AUTO_BALANCE: VTYPE_BOOL,
701 BES_PARAMETERS = frozenset(BES_PARAMETER_TYPES.keys())
703 # Node parameter names
704 ND_OOB_PROGRAM = "oob_program"
706 NDS_PARAMETER_TYPES = {
707 ND_OOB_PROGRAM: VTYPE_MAYBE_STRING,
710 NDS_PARAMETERS = frozenset(NDS_PARAMETER_TYPES.keys())
712 # OOB supported commands
713 OOB_POWER_ON = "power-on"
714 OOB_POWER_OFF = "power-off"
715 OOB_POWER_CYCLE = "power-cycle"
716 OOB_POWER_STATUS = "power-status"
717 OOB_HEALTH = "health"
719 OOB_COMMANDS = frozenset([OOB_POWER_ON, OOB_POWER_OFF, OOB_POWER_CYCLE,
720 OOB_POWER_STATUS, OOB_HEALTH])
722 OOB_POWER_STATUS_POWERED = "powered"
724 OOB_TIMEOUT = 60 # 60 seconds
725 OOB_POWER_DELAY = 2.0 # 2 seconds
728 OOB_STATUS_WARNING = "WARNING"
729 OOB_STATUS_CRITICAL = "CRITICAL"
730 OOB_STATUS_UNKNOWN = "UNKNOWN"
732 OOB_STATUSES = frozenset([
739 # Instance Parameters Profile
740 PP_DEFAULT = "default"
742 # NIC_* constants are used inside the ganeti config
746 NIC_MODE_BRIDGED = "bridged"
747 NIC_MODE_ROUTED = "routed"
749 NIC_VALID_MODES = frozenset([NIC_MODE_BRIDGED, NIC_MODE_ROUTED])
751 NICS_PARAMETER_TYPES = {
752 NIC_MODE: VTYPE_STRING,
753 NIC_LINK: VTYPE_STRING,
756 NICS_PARAMETERS = frozenset(NICS_PARAMETER_TYPES.keys())
758 # IDISK_* constants are used in opcodes, to create/change disks
761 IDISK_ADOPT = "adopt"
763 IDISK_METAVG = "metavg"
764 IDISK_PARAMS_TYPES = {
765 IDISK_SIZE: VTYPE_SIZE,
766 IDISK_MODE: VTYPE_STRING,
767 IDISK_ADOPT: VTYPE_STRING,
768 IDISK_VG: VTYPE_STRING,
769 IDISK_METAVG: VTYPE_STRING,
771 IDISK_PARAMS = frozenset(IDISK_PARAMS_TYPES.keys())
773 # INIC_* constants are used in opcodes, to create/change nics
778 INIC_PARAMS_TYPES = {
779 INIC_IP: VTYPE_MAYBE_STRING,
780 INIC_LINK: VTYPE_STRING,
781 INIC_MAC: VTYPE_STRING,
782 INIC_MODE: VTYPE_STRING,
784 INIC_PARAMS = frozenset(INIC_PARAMS_TYPES.keys())
786 # Hypervisor constants
787 HT_XEN_PVM = "xen-pvm"
789 HT_XEN_HVM = "xen-hvm"
793 HYPER_TYPES = frozenset([
801 HTS_REQ_PORT = frozenset([HT_XEN_HVM, HT_KVM])
804 VNC_PASSWORD_FILE = CONF_DIR + "/vnc-cluster-password"
805 VNC_DEFAULT_BIND_ADDRESS = IP4_ADDRESS_ANY
808 HT_NIC_RTL8139 = "rtl8139"
809 HT_NIC_NE2K_PCI = "ne2k_pci"
810 HT_NIC_NE2K_ISA = "ne2k_isa"
811 HT_NIC_I82551 = "i82551"
812 HT_NIC_I85557B = "i82557b"
813 HT_NIC_I8259ER = "i82559er"
814 HT_NIC_PCNET = "pcnet"
815 HT_NIC_E1000 = "e1000"
816 HT_NIC_PARAVIRTUAL = HT_DISK_PARAVIRTUAL = "paravirtual"
818 HT_HVM_VALID_NIC_TYPES = frozenset([HT_NIC_RTL8139, HT_NIC_NE2K_PCI,
819 HT_NIC_E1000, HT_NIC_NE2K_ISA,
821 HT_KVM_VALID_NIC_TYPES = frozenset([HT_NIC_RTL8139, HT_NIC_NE2K_PCI,
822 HT_NIC_NE2K_ISA, HT_NIC_I82551,
823 HT_NIC_I85557B, HT_NIC_I8259ER,
824 HT_NIC_PCNET, HT_NIC_E1000,
827 HT_DISK_IOEMU = "ioemu"
829 HT_DISK_SCSI = "scsi"
832 HT_DISK_PFLASH = "pflash"
834 HT_CACHE_DEFAULT = "default"
835 HT_CACHE_NONE = "none"
836 HT_CACHE_WTHROUGH = "writethrough"
837 HT_CACHE_WBACK = "writeback"
838 HT_VALID_CACHE_TYPES = frozenset([HT_CACHE_DEFAULT,
843 HT_HVM_VALID_DISK_TYPES = frozenset([HT_DISK_PARAVIRTUAL, HT_DISK_IOEMU])
844 HT_KVM_VALID_DISK_TYPES = frozenset([HT_DISK_PARAVIRTUAL, HT_DISK_IDE,
845 HT_DISK_SCSI, HT_DISK_SD, HT_DISK_MTD,
849 HT_MOUSE_MOUSE = "mouse"
850 HT_MOUSE_TABLET = "tablet"
852 HT_KVM_VALID_MOUSE_TYPES = frozenset([HT_MOUSE_MOUSE, HT_MOUSE_TABLET])
855 HT_BO_FLOPPY = "floppy"
856 HT_BO_CDROM = "cdrom"
858 HT_BO_NETWORK = "network"
860 HT_KVM_VALID_BO_TYPES = frozenset([HT_BO_FLOPPY, HT_BO_CDROM,
861 HT_BO_DISK, HT_BO_NETWORK])
868 HT_KVM_VALID_SM_TYPES = frozenset([HT_SM_NONE, HT_SM_USER, HT_SM_POOL])
871 HT_KVM_ENABLED = "enabled"
872 HT_KVM_DISABLED = "disabled"
874 HT_KVM_FLAG_VALUES = frozenset([HT_KVM_ENABLED, HT_KVM_DISABLED])
877 HT_MIGRATION_LIVE = "live"
878 HT_MIGRATION_NONLIVE = "non-live"
879 HT_MIGRATION_MODES = frozenset([HT_MIGRATION_LIVE, HT_MIGRATION_NONLIVE])
881 # Cluster Verify steps
882 VERIFY_NPLUSONE_MEM = 'nplusone_mem'
883 VERIFY_OPTIONAL_CHECKS = frozenset([VERIFY_NPLUSONE_MEM])
885 # Node verify constants
886 NV_DRBDHELPER = "drbd-helper"
887 NV_DRBDLIST = "drbd-list"
888 NV_FILELIST = "filelist"
890 NV_HYPERVISOR = "hypervisor"
891 NV_HVPARAMS = "hvparms"
892 NV_INSTANCELIST = "instancelist"
894 NV_MASTERIP = "master-ip"
895 NV_NODELIST = "nodelist"
896 NV_NODENETTEST = "node-net-test"
897 NV_NODESETUP = "nodesetup"
901 NV_VERSION = "version"
903 NV_VMNODES = "vmnodes"
904 NV_OOB_PATHS = "oob-paths"
905 NV_BRIDGES = "bridges"
908 INSTST_RUNNING = "running"
909 INSTST_ADMINDOWN = "ADMIN_down"
910 INSTST_NODEOFFLINE = "ERROR_nodeoffline"
911 INSTST_NODEDOWN = "ERROR_nodedown"
912 INSTST_WRONGNODE = "ERROR_wrongnode"
913 INSTST_ERRORUP = "ERROR_up"
914 INSTST_ERRORDOWN = "ERROR_down"
915 INSTST_ALL = frozenset([
939 # SSL certificate check constants (in days)
940 SSL_CERT_EXPIRATION_WARN = 30
941 SSL_CERT_EXPIRATION_ERROR = 7
943 # Allocator framework constants
944 IALLOCATOR_VERSION = 2
945 IALLOCATOR_DIR_IN = "in"
946 IALLOCATOR_DIR_OUT = "out"
947 VALID_IALLOCATOR_DIRECTIONS = frozenset([
951 IALLOCATOR_MODE_ALLOC = "allocate"
952 IALLOCATOR_MODE_RELOC = "relocate"
953 IALLOCATOR_MODE_MEVAC = "multi-evacuate"
954 IALLOCATOR_MODE_MRELOC = "multi-relocate"
955 IALLOCATOR_MODE_CHG_GROUP = "change-group"
956 IALLOCATOR_MODE_NODE_EVAC = "node-evacuate"
957 VALID_IALLOCATOR_MODES = frozenset([
958 IALLOCATOR_MODE_ALLOC,
959 IALLOCATOR_MODE_RELOC,
960 IALLOCATOR_MODE_MEVAC,
961 IALLOCATOR_MODE_MRELOC,
962 IALLOCATOR_MODE_CHG_GROUP,
963 IALLOCATOR_MODE_NODE_EVAC,
965 IALLOCATOR_SEARCH_PATH = _autoconf.IALLOCATOR_SEARCH_PATH
967 IALLOCATOR_NEVAC_PRI = "primary-only"
968 IALLOCATOR_NEVAC_SEC = "secondary-only"
969 IALLOCATOR_NEVAC_ALL = "all"
970 IALLOCATOR_NEVAC_MODES = frozenset([
971 IALLOCATOR_NEVAC_PRI,
972 IALLOCATOR_NEVAC_SEC,
973 IALLOCATOR_NEVAC_ALL,
976 # TODO: Remove multi-relocate constants, including IALLOCATOR_MODE_MRELOC
977 IALLOCATOR_MRELOC_ANY = "any_group"
978 IALLOCATOR_MRELOC_CHANGE = "change_group"
979 IALLOCATOR_MRELOC_KEEP = "keep_group"
980 IALLOCATOR_MRELOC_MODES = frozenset([
981 IALLOCATOR_MRELOC_ANY,
982 IALLOCATOR_MRELOC_CHANGE,
983 IALLOCATOR_MRELOC_KEEP,
987 JOB_QUEUE_VERSION = 1
988 JOB_QUEUE_LOCK_FILE = QUEUE_DIR + "/lock"
989 JOB_QUEUE_VERSION_FILE = QUEUE_DIR + "/version"
990 JOB_QUEUE_SERIAL_FILE = QUEUE_DIR + "/serial"
991 JOB_QUEUE_ARCHIVE_DIR = QUEUE_DIR + "/archive"
992 JOB_QUEUE_DRAIN_FILE = QUEUE_DIR + "/drain"
993 JOB_QUEUE_SIZE_HARD_LIMIT = 5000
994 JOB_QUEUE_DIRS = [QUEUE_DIR, JOB_QUEUE_ARCHIVE_DIR]
995 JOB_QUEUE_DIRS_MODE = SECURE_DIR_MODE
997 JOB_ID_TEMPLATE = r"\d+"
999 # unchanged job return
1000 JOB_NOTCHANGED = "nochange"
1003 JOB_STATUS_QUEUED = "queued"
1004 JOB_STATUS_WAITLOCK = "waiting"
1005 JOB_STATUS_CANCELING = "canceling"
1006 JOB_STATUS_RUNNING = "running"
1007 JOB_STATUS_CANCELED = "canceled"
1008 JOB_STATUS_SUCCESS = "success"
1009 JOB_STATUS_ERROR = "error"
1010 JOBS_FINALIZED = frozenset([
1011 JOB_STATUS_CANCELED,
1015 JOB_STATUS_ALL = frozenset([
1017 JOB_STATUS_WAITLOCK,
1018 JOB_STATUS_CANCELING,
1024 OP_STATUS_QUEUED = "queued"
1025 OP_STATUS_WAITLOCK = "waiting"
1026 OP_STATUS_CANCELING = "canceling"
1027 OP_STATUS_RUNNING = "running"
1029 OP_STATUS_CANCELED = "canceled"
1030 OP_STATUS_SUCCESS = "success"
1031 OP_STATUS_ERROR = "error"
1032 OPS_FINALIZED = frozenset([OP_STATUS_CANCELED,
1037 OP_PRIO_LOWEST = +19
1038 OP_PRIO_HIGHEST = -20
1044 OP_PRIO_SUBMIT_VALID = frozenset([
1050 OP_PRIO_DEFAULT = OP_PRIO_NORMAL
1052 # Execution log types
1053 ELOG_MESSAGE = "message"
1054 ELOG_PROGRESS = "progress"
1055 ELOG_REMOTE_IMPORT = "remote-import"
1056 ELOG_JQUEUE_TEST = "jqueue-test"
1058 # /etc/hosts modification
1059 ETC_HOSTS_ADD = "add"
1060 ETC_HOSTS_REMOVE = "remove"
1063 JQT_MSGPREFIX = "TESTMSG="
1064 JQT_EXPANDNAMES = "expandnames"
1066 JQT_LOGMSG = "logmsg"
1067 JQT_STARTMSG = "startmsg"
1068 JQT_ALL = frozenset([
1076 QR_INSTANCE = "instance"
1082 #: List of resources which can be queried using L{opcodes.OpQuery}
1083 QR_VIA_OP = frozenset([QR_INSTANCE, QR_NODE, QR_GROUP, QR_OS])
1085 #: List of resources which can be queried using Local UniX Interface
1086 QR_VIA_LUXI = QR_VIA_OP.union([
1090 #: List of resources which can be queried using RAPI
1091 QR_VIA_RAPI = QR_VIA_LUXI
1094 QFT_UNKNOWN = "unknown"
1097 QFT_NUMBER = "number"
1099 QFT_TIMESTAMP = "timestamp"
1102 #: All query field types
1103 QFT_ALL = frozenset([
1113 # Query result field status (don't change or reuse values as they're used by
1115 #: Normal field status
1119 #: No data (e.g. RPC error), can be used instead of L{RS_OFFLINE}
1121 #: Value unavailable/unsupported for item; if this field is supported
1122 #: but we cannot get the data for the moment, RS_NODATA or
1123 #: RS_OFFLINE should be used
1125 #: Resource marked offline
1128 RS_ALL = frozenset([
1136 #: Dictionary with special field cases and their verbose/terse formatting
1138 RS_UNKNOWN: ("(unknown)", "??"),
1139 RS_NODATA: ("(nodata)", "?"),
1140 RS_OFFLINE: ("(offline)", "*"),
1141 RS_UNAVAIL: ("(unavail)", "-"),
1144 # max dynamic devices
1149 SS_CLUSTER_NAME = "cluster_name"
1150 SS_CLUSTER_TAGS = "cluster_tags"
1151 SS_FILE_STORAGE_DIR = "file_storage_dir"
1152 SS_SHARED_FILE_STORAGE_DIR = "shared_file_storage_dir"
1153 SS_MASTER_CANDIDATES = "master_candidates"
1154 SS_MASTER_CANDIDATES_IPS = "master_candidates_ips"
1155 SS_MASTER_IP = "master_ip"
1156 SS_MASTER_NETDEV = "master_netdev"
1157 SS_MASTER_NODE = "master_node"
1158 SS_NODE_LIST = "node_list"
1159 SS_NODE_PRIMARY_IPS = "node_primary_ips"
1160 SS_NODE_SECONDARY_IPS = "node_secondary_ips"
1161 SS_OFFLINE_NODES = "offline_nodes"
1162 SS_ONLINE_NODES = "online_nodes"
1163 SS_PRIMARY_IP_FAMILY = "primary_ip_family"
1164 SS_INSTANCE_LIST = "instance_list"
1165 SS_RELEASE_VERSION = "release_version"
1166 SS_HYPERVISOR_LIST = "hypervisor_list"
1167 SS_MAINTAIN_NODE_HEALTH = "maintain_node_health"
1168 SS_UID_POOL = "uid_pool"
1169 SS_NODEGROUPS = "nodegroups"
1171 # cluster wide default parameters
1172 DEFAULT_ENABLED_HYPERVISOR = HT_XEN_PVM
1176 HV_USE_BOOTLOADER: False,
1177 HV_BOOTLOADER_PATH: XEN_BOOTLOADER,
1178 HV_BOOTLOADER_ARGS: '',
1179 HV_KERNEL_PATH: "/boot/vmlinuz-2.6-xenU",
1181 HV_ROOT_PATH: '/dev/sda1',
1182 HV_KERNEL_ARGS: 'ro',
1183 HV_MIGRATION_PORT: 8002,
1184 HV_MIGRATION_MODE: HT_MIGRATION_LIVE,
1185 HV_BLOCKDEV_PREFIX: "sd",
1188 HV_BOOT_ORDER: "cd",
1189 HV_CDROM_IMAGE_PATH: '',
1190 HV_NIC_TYPE: HT_NIC_RTL8139,
1191 HV_DISK_TYPE: HT_DISK_PARAVIRTUAL,
1192 HV_VNC_BIND_ADDRESS: IP4_ADDRESS_ANY,
1193 HV_VNC_PASSWORD_FILE: VNC_PASSWORD_FILE,
1196 HV_KERNEL_PATH: "/usr/lib/xen/boot/hvmloader",
1197 HV_DEVICE_MODEL: "/usr/lib/xen/bin/qemu-dm",
1198 HV_MIGRATION_PORT: 8002,
1199 HV_MIGRATION_MODE: HT_MIGRATION_NONLIVE,
1200 HV_USE_LOCALTIME: False,
1201 HV_BLOCKDEV_PREFIX: "hd",
1204 HV_KERNEL_PATH: "/boot/vmlinuz-2.6-kvmU",
1206 HV_KERNEL_ARGS: 'ro',
1207 HV_ROOT_PATH: '/dev/vda1',
1209 HV_SERIAL_CONSOLE: True,
1210 HV_VNC_BIND_ADDRESS: '',
1213 HV_VNC_X509_VERIFY: False,
1214 HV_VNC_PASSWORD_FILE: '',
1215 HV_KVM_FLOPPY_IMAGE_PATH: '',
1216 HV_CDROM_IMAGE_PATH: '',
1217 HV_KVM_CDROM2_IMAGE_PATH: '',
1218 HV_BOOT_ORDER: HT_BO_DISK,
1219 HV_NIC_TYPE: HT_NIC_PARAVIRTUAL,
1220 HV_DISK_TYPE: HT_DISK_PARAVIRTUAL,
1221 HV_KVM_CDROM_DISK_TYPE: '',
1223 HV_MIGRATION_PORT: 8102,
1224 HV_MIGRATION_BANDWIDTH: 32, # MiB/s
1225 HV_MIGRATION_DOWNTIME: 30, # ms
1226 HV_MIGRATION_MODE: HT_MIGRATION_LIVE,
1227 HV_USE_LOCALTIME: False,
1228 HV_DISK_CACHE: HT_CACHE_DEFAULT,
1229 HV_SECURITY_MODEL: HT_SM_NONE,
1230 HV_SECURITY_DOMAIN: '',
1232 HV_VHOST_NET: False,
1233 HV_KVM_USE_CHROOT: False,
1239 HV_INIT_SCRIPT: "/ganeti-chroot",
1246 HVC_GLOBALS = frozenset([
1248 HV_MIGRATION_BANDWIDTH,
1255 BE_AUTO_BALANCE: True,
1259 ND_OOB_PROGRAM: None,
1263 NIC_MODE: NIC_MODE_BRIDGED,
1264 NIC_LINK: DEFAULT_BRIDGE,
1267 MASTER_POOL_SIZE_DEFAULT = 10
1269 CONFD_PROTOCOL_VERSION = 1
1272 CONFD_REQ_NODE_ROLE_BYNAME = 1
1273 CONFD_REQ_NODE_PIP_BY_INSTANCE_IP = 2
1274 CONFD_REQ_CLUSTER_MASTER = 3
1275 CONFD_REQ_NODE_PIP_LIST = 4
1276 CONFD_REQ_MC_PIP_LIST = 5
1277 CONFD_REQ_INSTANCES_IPS_LIST = 6
1279 # Confd request query fields. These are used to narrow down queries.
1280 # These must be strings rather than integers, because json-encoding
1281 # converts them to strings anyway, as they're used as dict-keys.
1282 CONFD_REQQ_LINK = "0"
1284 CONFD_REQQ_IPLIST = "2"
1285 CONFD_REQQ_FIELDS = "3"
1287 CONFD_REQFIELD_NAME = "0"
1288 CONFD_REQFIELD_IP = "1"
1289 CONFD_REQFIELD_MNODE_PIP = "2"
1291 CONFD_REQS = frozenset([
1293 CONFD_REQ_NODE_ROLE_BYNAME,
1294 CONFD_REQ_NODE_PIP_BY_INSTANCE_IP,
1295 CONFD_REQ_CLUSTER_MASTER,
1296 CONFD_REQ_NODE_PIP_LIST,
1297 CONFD_REQ_MC_PIP_LIST,
1298 CONFD_REQ_INSTANCES_IPS_LIST,
1301 CONFD_REPL_STATUS_OK = 0
1302 CONFD_REPL_STATUS_ERROR = 1
1303 CONFD_REPL_STATUS_NOTIMPLEMENTED = 2
1305 CONFD_REPL_STATUSES = frozenset([
1306 CONFD_REPL_STATUS_OK,
1307 CONFD_REPL_STATUS_ERROR,
1308 CONFD_REPL_STATUS_NOTIMPLEMENTED,
1311 (CONFD_NODE_ROLE_MASTER,
1312 CONFD_NODE_ROLE_CANDIDATE,
1313 CONFD_NODE_ROLE_OFFLINE,
1314 CONFD_NODE_ROLE_DRAINED,
1315 CONFD_NODE_ROLE_REGULAR,
1318 # A few common errors for confd
1319 CONFD_ERROR_UNKNOWN_ENTRY = 1
1320 CONFD_ERROR_INTERNAL = 2
1321 CONFD_ERROR_ARGUMENT = 3
1323 # Each request is "salted" by the current timestamp.
1324 # This constants decides how many seconds of skew to accept.
1325 # TODO: make this a default and allow the value to be more configurable
1326 CONFD_MAX_CLOCK_SKEW = 2 * NODE_MAX_CLOCK_SKEW
1328 # When we haven't reloaded the config for more than this amount of seconds, we
1329 # force a test to see if inotify is betraying us.
1330 CONFD_CONFIG_RELOAD_TIMEOUT = 60
1332 # If we receive more than one update in this amount of seconds, we move to
1333 # polling every RATELIMIT seconds, rather than relying on inotify, to be able
1334 # to serve more requests.
1335 CONFD_CONFIG_RELOAD_RATELIMIT = 2
1337 # Magic number prepended to all confd queries.
1338 # This allows us to distinguish different types of confd protocols and handle
1339 # them. For example by changing this we can move the whole payload to be
1340 # compressed, or move away from json.
1341 CONFD_MAGIC_FOURCC = 'plj0'
1343 # By default a confd request is sent to the minimum between this number and all
1344 # MCs. 6 was chosen because even in the case of a disastrous 50% response rate,
1345 # we should have enough answers to be able to compare more than one.
1346 CONFD_DEFAULT_REQ_COVERAGE = 6
1348 # Timeout in seconds to expire pending query request in the confd client
1349 # library. We don't actually expect any answer more than 10 seconds after we
1351 CONFD_CLIENT_EXPIRE_TIMEOUT = 10
1353 # Maximum UDP datagram size.
1354 # On IPv4: 64K - 20 (ip header size) - 8 (udp header size) = 65507
1355 # On IPv6: 64K - 40 (ip6 header size) - 8 (udp header size) = 65487
1356 # (assuming we can't use jumbo frames)
1357 # We just set this to 60K, which should be enough
1358 MAX_UDP_DATA_SIZE = 61440
1360 # User-id pool minimum/maximum acceptable user-ids.
1362 UIDPOOL_UID_MAX = 2**32-1 # Assuming 32 bit user-ids
1364 # Name or path of the pgrep command
1367 # Name of the node group that gets created at cluster init or upgrade
1368 INITIAL_NODE_GROUP_NAME = "default"
1370 # Possible values for NodeGroup.alloc_policy
1371 ALLOC_POLICY_PREFERRED = "preferred"
1372 ALLOC_POLICY_LAST_RESORT = "last_resort"
1373 ALLOC_POLICY_UNALLOCABLE = "unallocable"
1374 VALID_ALLOC_POLICIES = [
1375 ALLOC_POLICY_PREFERRED,
1376 ALLOC_POLICY_LAST_RESORT,
1377 ALLOC_POLICY_UNALLOCABLE,
1380 # Temporary external/shared storage parameters
1381 BLOCKDEV_DRIVER_MANUAL = "manual"
1383 # Whether htools was enabled at compilation time
1384 HTOOLS = _autoconf.HTOOLS
1385 # The hail iallocator
1386 IALLOC_HAIL = "hail"