4 # Copyright (C) 2006, 2007 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
30 RELEASE_VERSION = _autoconf.PACKAGE_VERSION
33 OS_API_VERSIONS = frozenset([OS_API_V10, OS_API_V15])
38 # Format for CONFIG_VERSION:
39 # 01 03 0123 = 01030123
41 # | | + Configuration version/revision
45 # It stored as an integer. Make sure not to write an octal number.
47 # BuildVersion and SplitVersion must be in here because we can't import other
48 # modules. The cfgupgrade tool must be able to read and write version numbers
49 # and thus requires these functions. To avoid code duplication, they're kept in
52 def BuildVersion(major, minor, revision):
53 """Calculates int version number from major, minor and revision numbers.
55 Returns: int representing version number
58 assert isinstance(major, int)
59 assert isinstance(minor, int)
60 assert isinstance(revision, int)
61 return (1000000 * major +
66 def SplitVersion(version):
67 """Splits version number stored in an int.
69 Returns: tuple; (major, minor, revision)
72 assert isinstance(version, int)
74 (major, remainder) = divmod(version, 1000000)
75 (minor, revision) = divmod(remainder, 10000)
77 return (major, minor, revision)
80 CONFIG_MAJOR = int(_autoconf.VERSION_MAJOR)
81 CONFIG_MINOR = int(_autoconf.VERSION_MINOR)
83 CONFIG_VERSION = BuildVersion(CONFIG_MAJOR, CONFIG_MINOR, CONFIG_REVISION)
86 DATA_DIR = _autoconf.LOCALSTATEDIR + "/lib/ganeti"
87 RUN_DIR = _autoconf.LOCALSTATEDIR + "/run"
88 RUN_GANETI_DIR = RUN_DIR + "/ganeti"
89 BDEV_CACHE_DIR = RUN_GANETI_DIR + "/bdev-cache"
90 DISK_LINKS_DIR = RUN_GANETI_DIR + "/instance-disks"
92 SOCKET_DIR = RUN_GANETI_DIR + "/socket"
93 SOCKET_DIR_MODE = 0700
94 # keep RUN_GANETI_DIR first here, to make sure all get created when the node
95 # daemon is started (this takes care of RUN_DIR being tmpfs)
96 SUB_RUN_DIRS = [ RUN_GANETI_DIR, BDEV_CACHE_DIR, DISK_LINKS_DIR ]
97 LOCK_DIR = _autoconf.LOCALSTATEDIR + "/lock"
98 SSCONF_LOCK_FILE = LOCK_DIR + "/ganeti-ssconf.lock"
99 # User-id pool lock directory
100 # The user-ids that are in use have a corresponding lock file in this directory
101 UIDPOOL_LOCKDIR = RUN_GANETI_DIR + "/uid-pool"
102 CLUSTER_CONF_FILE = DATA_DIR + "/config.data"
103 NODED_CERT_FILE = DATA_DIR + "/server.pem"
104 RAPI_CERT_FILE = DATA_DIR + "/rapi.pem"
105 CONFD_HMAC_KEY = DATA_DIR + "/hmac.key"
106 WATCHER_STATEFILE = DATA_DIR + "/watcher.data"
107 WATCHER_PAUSEFILE = DATA_DIR + "/watcher.pause"
108 INSTANCE_UPFILE = RUN_GANETI_DIR + "/instance-status"
109 SSH_KNOWN_HOSTS_FILE = DATA_DIR + "/known_hosts"
110 RAPI_USERS_FILE = DATA_DIR + "/rapi_users"
111 QUEUE_DIR = DATA_DIR + "/queue"
112 DAEMON_UTIL = _autoconf.PKGLIBDIR + "/daemon-util"
113 ETC_HOSTS = "/etc/hosts"
114 DEFAULT_FILE_STORAGE_DIR = _autoconf.FILE_STORAGE_DIR
115 ENABLE_FILE_STORAGE = _autoconf.ENABLE_FILE_STORAGE
116 SYSCONFDIR = _autoconf.SYSCONFDIR
117 TOOLSDIR = _autoconf.TOOLSDIR
118 CONF_DIR = SYSCONFDIR + "/ganeti"
120 ALL_CERT_FILES = frozenset([NODED_CERT_FILE, RAPI_CERT_FILE])
122 MASTER_SOCKET = SOCKET_DIR + "/ganeti-master"
124 NODED = "ganeti-noded"
125 CONFD = "ganeti-confd"
127 MASTERD = "ganeti-masterd"
128 # used in the ganeti-nbma project
131 MULTITHREADED_DAEMONS = frozenset([MASTERD])
134 # daemon-name: (default-cert-path, default-key-path)
135 NODED: (NODED_CERT_FILE, NODED_CERT_FILE),
136 RAPI: (RAPI_CERT_FILE, RAPI_CERT_FILE),
140 # daemon-name: ("proto", "default-port")
141 NODED: ("tcp", 1811),
142 CONFD: ("udp", 1814),
144 # used in the ganeti-nbma project
147 DEFAULT_NODED_PORT = DAEMONS_PORTS[NODED][1]
148 DEFAULT_CONFD_PORT = DAEMONS_PORTS[CONFD][1]
149 DEFAULT_RAPI_PORT = DAEMONS_PORTS[RAPI][1]
150 # used in the ganeti-nbma project
151 DEFAULT_NLD_PORT = DAEMONS_PORTS[NLD][1]
153 FIRST_DRBD_PORT = 11000
154 LAST_DRBD_PORT = 14999
155 MASTER_SCRIPT = "ganeti-master"
157 LOG_DIR = _autoconf.LOCALSTATEDIR + "/log/ganeti/"
159 # "daemon-name": "logfile"
160 NODED: LOG_DIR + "node-daemon.log",
161 CONFD: LOG_DIR + "conf-daemon.log",
162 RAPI: LOG_DIR + "rapi-daemon.log",
163 MASTERD: LOG_DIR + "master-daemon.log",
164 # used in the ganeti-nbma project
165 NLD: LOG_DIR + "nl-daemon.log",
167 LOG_OS_DIR = LOG_DIR + "os"
168 LOG_WATCHER = LOG_DIR + "watcher.log"
169 LOG_COMMANDS = LOG_DIR + "commands.log"
170 LOG_BURNIN = LOG_DIR + "burnin.log"
172 # one of 'no', 'yes', 'only'
173 SYSLOG_USAGE = _autoconf.SYSLOG_USAGE
177 SYSLOG_SOCKET = "/dev/log"
179 OS_SEARCH_PATH = _autoconf.OS_SEARCH_PATH
180 EXPORT_DIR = _autoconf.EXPORT_DIR
182 EXPORT_CONF_FILE = "config.ini"
184 XEN_BOOTLOADER = _autoconf.XEN_BOOTLOADER
185 XEN_KERNEL = _autoconf.XEN_KERNEL
186 XEN_INITRD = _autoconf.XEN_INITRD
188 KVM_PATH = _autoconf.KVM_PATH
189 SOCAT_PATH = _autoconf.SOCAT_PATH
190 SOCAT_USE_ESCAPE = _autoconf.SOCAT_USE_ESCAPE
191 SOCAT_ESCAPE_CODE = "0x1d"
193 VALUE_DEFAULT = "default"
195 VALUE_GENERATE = "generate"
198 VALUE_FALSE = "false"
200 # External script validation mask
201 EXT_PLUGIN_MASK = re.compile("^[a-zA-Z0-9_-]+$")
203 # hooks-related constants
204 HOOKS_BASE_DIR = CONF_DIR + "/hooks"
205 HOOKS_PHASE_PRE = "pre"
206 HOOKS_PHASE_POST = "post"
207 HOOKS_NAME_CFGUPDATE = "config-update"
208 HOOKS_NAME_WATCHER = "watcher"
211 # hooks subject type (what object type does the LU deal with)
212 HTYPE_CLUSTER = "CLUSTER"
214 HTYPE_INSTANCE = "INSTANCE"
226 # first two are valid in LU context only, not passed to backend
229 # and the rest are valid in backend
234 SF_ALLOCATABLE = "allocatable"
237 SO_FIX_CONSISTENCY = "fix-consistency"
239 # Available fields per storage type
240 VALID_STORAGE_FIELDS = frozenset([SF_NAME, SF_TYPE, SF_SIZE,
241 SF_USED, SF_FREE, SF_ALLOCATABLE])
243 VALID_STORAGE_TYPES = frozenset([ST_FILE, ST_LVM_PV, ST_LVM_VG])
245 MODIFIABLE_STORAGE_FIELDS = {
246 ST_LVM_PV: frozenset([SF_ALLOCATABLE]),
249 VALID_STORAGE_OPERATIONS = {
250 ST_LVM_VG: frozenset([SO_FIX_CONSISTENCY]),
254 # Note: Code depends on LDS_OKAY < LDS_UNKNOWN < LDS_FAULTY
257 LDS_FAULTY) = range(1, 4)
259 # disk template types
260 DT_DISKLESS = "diskless"
265 # the set of network-mirrored disk templates
266 DTS_NET_MIRROR = frozenset([DT_DRBD8])
268 # the set of non-lvm-based disk templates
269 DTS_NOT_LVM = frozenset([DT_DISKLESS, DT_FILE])
271 # the set of disk templates which can be grown
272 DTS_GROWABLE = frozenset([DT_PLAIN, DT_DRBD8, DT_FILE])
278 LDS_BLOCK = frozenset([LD_LV, LD_DRBD8])
281 DRBD_HMAC_ALG = "md5"
282 DRBD_NET_PROTOCOL = "C"
283 DRBD_BARRIERS = _autoconf.DRBD_BARRIERS
285 # file backend driver
289 # the set of drbd-like disk types
290 LDS_DRBD = frozenset([LD_DRBD8])
295 DISK_ACCESS_SET = frozenset([DISK_RDONLY, DISK_RDWR])
297 # disk replacement mode
298 REPLACE_DISK_PRI = "replace_on_primary" # replace disks on primary
299 REPLACE_DISK_SEC = "replace_on_secondary" # replace disks on secondary
300 REPLACE_DISK_CHG = "replace_new_secondary" # change secondary node
301 REPLACE_DISK_AUTO = "replace_auto"
303 # lock recalculate mode
304 LOCKS_REPLACE = 'replace'
305 LOCKS_APPEND = 'append'
307 # instance creation modes
308 INSTANCE_CREATE = "create"
309 INSTANCE_IMPORT = "import"
311 DISK_TEMPLATES = frozenset([DT_DISKLESS, DT_PLAIN,
314 FILE_DRIVER = frozenset([FD_LOOP, FD_BLKTAP])
316 # import/export config options
317 INISECT_EXP = "export"
318 INISECT_INS = "instance"
319 INISECT_HYP = "hypervisor"
320 INISECT_BEP = "backend"
322 # dynamic device modification
325 DDM_REMOVE = 'remove'
332 EXIT_NODESETUP_ERROR = 12
333 EXIT_CONFIRMATION = 13 # need user confirmation
334 EXIT_NOTCANDIDATE = 14
337 TAG_CLUSTER = "cluster"
339 TAG_INSTANCE = "instance"
341 MAX_TAGS_PER_OBJ = 4096
344 DEFAULT_BRIDGE = "xen-br0"
345 SYNC_SPEED = 60 * 1024
346 LOCALHOST_IP_ADDRESS = "127.0.0.1"
347 TCP_PING_TIMEOUT = 10
348 GANETI_RUNAS = "root"
350 BIND_ADDRESS_GLOBAL = "0.0.0.0"
352 DEFAULT_MAC_PREFIX = "aa:00:00"
353 LVM_STRIPECOUNT = _autoconf.LVM_STRIPECOUNT
354 # default maximum instance wait time, in seconds.
355 DEFAULT_SHUTDOWN_TIMEOUT = 120
356 NODE_MAX_CLOCK_SKEW = 150
361 RUNPARTS_ERR) = range(3)
363 RUNPARTS_STATUS = frozenset([RUNPARTS_SKIP, RUNPARTS_RUN, RUNPARTS_ERR])
367 RPC_ENCODING_ZLIB_BASE64) = range(2)
369 # os related constants
370 OS_SCRIPT_CREATE = 'create'
371 OS_SCRIPT_IMPORT = 'import'
372 OS_SCRIPT_EXPORT = 'export'
373 OS_SCRIPT_RENAME = 'rename'
374 OS_SCRIPTS = frozenset([OS_SCRIPT_CREATE, OS_SCRIPT_IMPORT,
375 OS_SCRIPT_EXPORT, OS_SCRIPT_RENAME])
377 OS_API_FILE = 'ganeti_api_version'
378 OS_VARIANTS_FILE = 'variants.list'
381 SSH_CONFIG_DIR = _autoconf.SSH_CONFIG_DIR
382 SSH_HOST_DSA_PRIV = SSH_CONFIG_DIR + "/ssh_host_dsa_key"
383 SSH_HOST_DSA_PUB = SSH_HOST_DSA_PRIV + ".pub"
384 SSH_HOST_RSA_PRIV = SSH_CONFIG_DIR + "/ssh_host_rsa_key"
385 SSH_HOST_RSA_PUB = SSH_HOST_RSA_PRIV + ".pub"
390 INSTANCE_REBOOT_SOFT = "soft"
391 INSTANCE_REBOOT_HARD = "hard"
392 INSTANCE_REBOOT_FULL = "full"
394 REBOOT_TYPES = frozenset([INSTANCE_REBOOT_SOFT,
395 INSTANCE_REBOOT_HARD,
396 INSTANCE_REBOOT_FULL])
398 VTYPE_STRING = 'string'
400 VTYPE_SIZE = 'size' # size, in MiBs
402 ENFORCEABLE_TYPES = frozenset([
409 # HV parameter names (global namespace)
410 HV_BOOT_ORDER = "boot_order"
411 HV_CDROM_IMAGE_PATH = "cdrom_image_path"
412 HV_NIC_TYPE = "nic_type"
413 HV_DISK_TYPE = "disk_type"
414 HV_VNC_BIND_ADDRESS = "vnc_bind_address"
415 HV_VNC_PASSWORD_FILE = "vnc_password_file"
416 HV_VNC_TLS = "vnc_tls"
417 HV_VNC_X509 = "vnc_x509_path"
418 HV_VNC_X509_VERIFY = "vnc_x509_verify"
421 HV_USE_BOOTLOADER = "use_bootloader"
422 HV_BOOTLOADER_ARGS = "bootloader_args"
423 HV_BOOTLOADER_PATH = "bootloader_path"
424 HV_KERNEL_ARGS = "kernel_args"
425 HV_KERNEL_PATH = "kernel_path"
426 HV_INITRD_PATH = "initrd_path"
427 HV_ROOT_PATH = "root_path"
428 HV_SERIAL_CONSOLE = "serial_console"
429 HV_USB_MOUSE = "usb_mouse"
430 HV_DEVICE_MODEL = "device_model"
431 HV_INIT_SCRIPT = "init_script"
432 HV_MIGRATION_PORT = "migration_port"
433 HV_USE_LOCALTIME = "use_localtime"
434 HV_DISK_CACHE = "disk_cache"
435 HV_SECURITY_MODEL = "security_model"
436 HV_SECURITY_DOMAIN = "security_domain"
437 HV_KVM_FLAG = "kvm_flag"
439 HVS_PARAMETER_TYPES = {
440 HV_BOOT_ORDER: VTYPE_STRING,
441 HV_CDROM_IMAGE_PATH: VTYPE_STRING,
442 HV_NIC_TYPE: VTYPE_STRING,
443 HV_DISK_TYPE: VTYPE_STRING,
444 HV_VNC_PASSWORD_FILE: VTYPE_STRING,
445 HV_VNC_BIND_ADDRESS: VTYPE_STRING,
446 HV_VNC_TLS: VTYPE_BOOL,
447 HV_VNC_X509: VTYPE_STRING,
448 HV_VNC_X509_VERIFY: VTYPE_BOOL,
451 HV_USE_BOOTLOADER: VTYPE_BOOL,
452 HV_BOOTLOADER_PATH: VTYPE_STRING,
453 HV_BOOTLOADER_ARGS: VTYPE_STRING,
454 HV_KERNEL_PATH: VTYPE_STRING,
455 HV_KERNEL_ARGS: VTYPE_STRING,
456 HV_INITRD_PATH: VTYPE_STRING,
457 HV_ROOT_PATH: VTYPE_STRING,
458 HV_SERIAL_CONSOLE: VTYPE_BOOL,
459 HV_USB_MOUSE: VTYPE_STRING,
460 HV_DEVICE_MODEL: VTYPE_STRING,
461 HV_INIT_SCRIPT: VTYPE_STRING,
462 HV_MIGRATION_PORT: VTYPE_INT,
463 HV_USE_LOCALTIME: VTYPE_BOOL,
464 HV_DISK_CACHE: VTYPE_STRING,
465 HV_SECURITY_MODEL: VTYPE_STRING,
466 HV_SECURITY_DOMAIN: VTYPE_STRING,
467 HV_KVM_FLAG: VTYPE_STRING,
470 HVS_PARAMETERS = frozenset(HVS_PARAMETER_TYPES.keys())
475 BE_AUTO_BALANCE = "auto_balance"
477 BES_PARAMETER_TYPES = {
478 BE_MEMORY: VTYPE_SIZE,
480 BE_AUTO_BALANCE: VTYPE_BOOL,
483 BES_PARAMETERS = frozenset(BES_PARAMETER_TYPES.keys())
485 # Instance Parameters Profile
486 PP_DEFAULT = "default"
491 NIC_MODE_BRIDGED = "bridged"
492 NIC_MODE_ROUTED = "routed"
494 NIC_VALID_MODES = frozenset([NIC_MODE_BRIDGED, NIC_MODE_ROUTED])
496 NICS_PARAMETER_TYPES = {
497 NIC_MODE: VTYPE_STRING,
498 NIC_LINK: VTYPE_STRING,
501 NICS_PARAMETERS = frozenset(NICS_PARAMETER_TYPES.keys())
503 # Hypervisor constants
504 HT_XEN_PVM = "xen-pvm"
506 HT_XEN_HVM = "xen-hvm"
509 HYPER_TYPES = frozenset([HT_XEN_PVM, HT_FAKE, HT_XEN_HVM, HT_KVM, HT_CHROOT])
510 HTS_REQ_PORT = frozenset([HT_XEN_HVM, HT_KVM])
513 VNC_PASSWORD_FILE = CONF_DIR + "/vnc-cluster-password"
514 VNC_DEFAULT_BIND_ADDRESS = '0.0.0.0'
517 HT_NIC_RTL8139 = "rtl8139"
518 HT_NIC_NE2K_PCI = "ne2k_pci"
519 HT_NIC_NE2K_ISA = "ne2k_isa"
520 HT_NIC_I82551 = "i82551"
521 HT_NIC_I85557B = "i82557b"
522 HT_NIC_I8259ER = "i82559er"
523 HT_NIC_PCNET = "pcnet"
524 HT_NIC_E1000 = "e1000"
525 HT_NIC_PARAVIRTUAL = HT_DISK_PARAVIRTUAL = "paravirtual"
527 HT_HVM_VALID_NIC_TYPES = frozenset([HT_NIC_RTL8139, HT_NIC_NE2K_PCI,
528 HT_NIC_NE2K_ISA, HT_NIC_PARAVIRTUAL])
529 HT_KVM_VALID_NIC_TYPES = frozenset([HT_NIC_RTL8139, HT_NIC_NE2K_PCI,
530 HT_NIC_NE2K_ISA, HT_NIC_I82551,
531 HT_NIC_I85557B, HT_NIC_I8259ER,
532 HT_NIC_PCNET, HT_NIC_E1000,
535 HT_DISK_IOEMU = "ioemu"
537 HT_DISK_SCSI = "scsi"
540 HT_DISK_PFLASH = "pflash"
542 HT_CACHE_DEFAULT = "default"
543 HT_CACHE_NONE = "none"
544 HT_CACHE_WTHROUGH = "writethrough"
545 HT_CACHE_WBACK = "writeback"
546 HT_VALID_CACHE_TYPES = frozenset([HT_CACHE_DEFAULT,
551 HT_HVM_VALID_DISK_TYPES = frozenset([HT_DISK_PARAVIRTUAL, HT_DISK_IOEMU])
552 HT_KVM_VALID_DISK_TYPES = frozenset([HT_DISK_PARAVIRTUAL, HT_DISK_IDE,
553 HT_DISK_SCSI, HT_DISK_SD, HT_DISK_MTD,
557 HT_MOUSE_MOUSE = "mouse"
558 HT_MOUSE_TABLET = "tablet"
560 HT_KVM_VALID_MOUSE_TYPES = frozenset([HT_MOUSE_MOUSE, HT_MOUSE_TABLET])
563 HT_BO_CDROM = "cdrom"
565 HT_BO_NETWORK = "network"
567 HT_KVM_VALID_BO_TYPES = frozenset([HT_BO_CDROM, HT_BO_DISK, HT_BO_NETWORK])
574 HT_KVM_VALID_SM_TYPES = frozenset([HT_SM_NONE, HT_SM_USER, HT_SM_POOL])
577 HT_KVM_ENABLED = "enabled"
578 HT_KVM_DISABLED = "disabled"
580 HT_KVM_FLAG_VALUES = frozenset([HT_KVM_ENABLED, HT_KVM_DISABLED])
582 # Cluster Verify steps
583 VERIFY_NPLUSONE_MEM = 'nplusone_mem'
584 VERIFY_OPTIONAL_CHECKS = frozenset([VERIFY_NPLUSONE_MEM])
586 # Node verify constants
587 NV_FILELIST = "filelist"
589 NV_HYPERVISOR = "hypervisor"
590 NV_INSTANCELIST = "instancelist"
591 NV_NODELIST = "nodelist"
592 NV_NODENETTEST = "node-net-test"
593 NV_VERSION = "version"
597 NV_DRBDLIST = "drbd-list"
598 NV_NODESETUP = "nodesetup"
601 # SSL certificate check constants (in days)
602 SSL_CERT_EXPIRATION_WARN = 30
603 SSL_CERT_EXPIRATION_ERROR = 7
605 # Allocator framework constants
606 IALLOCATOR_VERSION = 2
607 IALLOCATOR_DIR_IN = "in"
608 IALLOCATOR_DIR_OUT = "out"
609 IALLOCATOR_MODE_ALLOC = "allocate"
610 IALLOCATOR_MODE_RELOC = "relocate"
611 IALLOCATOR_MODE_MEVAC = "multi-evacuate"
612 IALLOCATOR_SEARCH_PATH = _autoconf.IALLOCATOR_SEARCH_PATH
615 JOB_QUEUE_VERSION = 1
616 JOB_QUEUE_LOCK_FILE = QUEUE_DIR + "/lock"
617 JOB_QUEUE_VERSION_FILE = QUEUE_DIR + "/version"
618 JOB_QUEUE_SERIAL_FILE = QUEUE_DIR + "/serial"
619 JOB_QUEUE_ARCHIVE_DIR = QUEUE_DIR + "/archive"
620 JOB_QUEUE_DRAIN_FILE = QUEUE_DIR + "/drain"
621 JOB_QUEUE_SIZE_HARD_LIMIT = 5000
622 JOB_QUEUE_SIZE_SOFT_LIMIT = JOB_QUEUE_SIZE_HARD_LIMIT * 0.8
624 JOB_ID_TEMPLATE = r"\d+"
626 # unchanged job return
627 JOB_NOTCHANGED = "nochange"
630 JOB_STATUS_QUEUED = "queued"
631 JOB_STATUS_WAITLOCK = "waiting"
632 JOB_STATUS_CANCELING = "canceling"
633 JOB_STATUS_RUNNING = "running"
634 JOB_STATUS_CANCELED = "canceled"
635 JOB_STATUS_SUCCESS = "success"
636 JOB_STATUS_ERROR = "error"
640 OP_STATUS_QUEUED = "queued"
641 OP_STATUS_WAITLOCK = "waiting"
642 OP_STATUS_CANCELING = "canceling"
643 OP_STATUS_RUNNING = "running"
645 OP_STATUS_CANCELED = "canceled"
646 OP_STATUS_SUCCESS = "success"
647 OP_STATUS_ERROR = "error"
648 OPS_FINALIZED = frozenset([OP_STATUS_CANCELED,
652 # Execution log types
653 ELOG_MESSAGE = "message"
654 ELOG_PROGRESS = "progress"
656 # max dynamic devices
661 SS_CLUSTER_NAME = "cluster_name"
662 SS_CLUSTER_TAGS = "cluster_tags"
663 SS_FILE_STORAGE_DIR = "file_storage_dir"
664 SS_MASTER_CANDIDATES = "master_candidates"
665 SS_MASTER_CANDIDATES_IPS = "master_candidates_ips"
666 SS_MASTER_IP = "master_ip"
667 SS_MASTER_NETDEV = "master_netdev"
668 SS_MASTER_NODE = "master_node"
669 SS_NODE_LIST = "node_list"
670 SS_NODE_PRIMARY_IPS = "node_primary_ips"
671 SS_NODE_SECONDARY_IPS = "node_secondary_ips"
672 SS_OFFLINE_NODES = "offline_nodes"
673 SS_ONLINE_NODES = "online_nodes"
674 SS_INSTANCE_LIST = "instance_list"
675 SS_RELEASE_VERSION = "release_version"
676 SS_HYPERVISOR_LIST = "hypervisor_list"
677 SS_MAINTAIN_NODE_HEALTH = "maintain_node_health"
678 SS_UID_POOL = "uid_pool"
680 # cluster wide default parameters
681 DEFAULT_ENABLED_HYPERVISOR = HT_XEN_PVM
685 HV_USE_BOOTLOADER: False,
686 HV_BOOTLOADER_PATH: XEN_BOOTLOADER,
687 HV_BOOTLOADER_ARGS: '',
688 HV_KERNEL_PATH: "/boot/vmlinuz-2.6-xenU",
690 HV_ROOT_PATH: '/dev/sda1',
691 HV_KERNEL_ARGS: 'ro',
692 HV_MIGRATION_PORT: 8002,
696 HV_CDROM_IMAGE_PATH: '',
697 HV_NIC_TYPE: HT_NIC_RTL8139,
698 HV_DISK_TYPE: HT_DISK_PARAVIRTUAL,
699 HV_VNC_BIND_ADDRESS: '0.0.0.0',
700 HV_VNC_PASSWORD_FILE: VNC_PASSWORD_FILE,
703 HV_KERNEL_PATH: "/usr/lib/xen/boot/hvmloader",
704 HV_DEVICE_MODEL: "/usr/lib/xen/bin/qemu-dm",
705 HV_MIGRATION_PORT: 8002,
706 HV_USE_LOCALTIME: False,
709 HV_KERNEL_PATH: "/boot/vmlinuz-2.6-kvmU",
711 HV_KERNEL_ARGS: 'ro',
712 HV_ROOT_PATH: '/dev/vda1',
714 HV_SERIAL_CONSOLE: True,
715 HV_VNC_BIND_ADDRESS: '',
718 HV_VNC_X509_VERIFY: False,
719 HV_VNC_PASSWORD_FILE: '',
720 HV_CDROM_IMAGE_PATH: '',
721 HV_BOOT_ORDER: HT_BO_DISK,
722 HV_NIC_TYPE: HT_NIC_PARAVIRTUAL,
723 HV_DISK_TYPE: HT_DISK_PARAVIRTUAL,
725 HV_MIGRATION_PORT: 8102,
726 HV_USE_LOCALTIME: False,
727 HV_DISK_CACHE: HT_CACHE_DEFAULT,
728 HV_SECURITY_MODEL: HT_SM_NONE,
729 HV_SECURITY_DOMAIN: '',
735 HV_INIT_SCRIPT: "/ganeti-chroot",
739 HVC_GLOBALS = frozenset([
746 BE_AUTO_BALANCE: True,
750 NIC_MODE: NIC_MODE_BRIDGED,
751 NIC_LINK: DEFAULT_BRIDGE,
754 MASTER_POOL_SIZE_DEFAULT = 10
756 CONFD_PROTOCOL_VERSION = 1
759 CONFD_REQ_NODE_ROLE_BYNAME = 1
760 CONFD_REQ_NODE_PIP_BY_INSTANCE_IP = 2
761 CONFD_REQ_CLUSTER_MASTER = 3
762 CONFD_REQ_NODE_PIP_LIST = 4
763 CONFD_REQ_MC_PIP_LIST = 5
764 CONFD_REQ_INSTANCES_IPS_LIST = 6
766 # Confd request query fields. These are used to narrow down queries.
767 # These must be strings rather than integers, because json-encoding
768 # converts them to strings anyway, as they're used as dict-keys.
769 CONFD_REQQ_LINK = "0"
771 CONFD_REQQ_IPLIST = "2"
772 CONFD_REQQ_FIELDS = "3"
774 CONFD_REQFIELD_NAME = "0"
775 CONFD_REQFIELD_IP = "1"
776 CONFD_REQFIELD_MNODE_PIP = "2"
778 CONFD_REQS = frozenset([
780 CONFD_REQ_NODE_ROLE_BYNAME,
781 CONFD_REQ_NODE_PIP_BY_INSTANCE_IP,
782 CONFD_REQ_CLUSTER_MASTER,
783 CONFD_REQ_NODE_PIP_LIST,
784 CONFD_REQ_MC_PIP_LIST,
785 CONFD_REQ_INSTANCES_IPS_LIST,
788 CONFD_REPL_STATUS_OK = 0
789 CONFD_REPL_STATUS_ERROR = 1
790 CONFD_REPL_STATUS_NOTIMPLEMENTED = 2
792 CONFD_REPL_STATUSES = frozenset([
793 CONFD_REPL_STATUS_OK,
794 CONFD_REPL_STATUS_ERROR,
795 CONFD_REPL_STATUS_NOTIMPLEMENTED,
798 (CONFD_NODE_ROLE_MASTER,
799 CONFD_NODE_ROLE_CANDIDATE,
800 CONFD_NODE_ROLE_OFFLINE,
801 CONFD_NODE_ROLE_DRAINED,
802 CONFD_NODE_ROLE_REGULAR,
805 # A few common errors for confd
806 CONFD_ERROR_UNKNOWN_ENTRY = 1
807 CONFD_ERROR_INTERNAL = 2
808 CONFD_ERROR_ARGUMENT = 3
810 # Each request is "salted" by the current timestamp.
811 # This constants decides how many seconds of skew to accept.
812 # TODO: make this a default and allow the value to be more configurable
813 CONFD_MAX_CLOCK_SKEW = 2 * NODE_MAX_CLOCK_SKEW
815 # When we haven't reloaded the config for more than this amount of seconds, we
816 # force a test to see if inotify is betraying us.
817 CONFD_CONFIG_RELOAD_TIMEOUT = 60
819 # If we receive more than one update in this amount of seconds, we move to
820 # polling every RATELIMIT seconds, rather than relying on inotify, to be able
821 # to serve more requests.
822 CONFD_CONFIG_RELOAD_RATELIMIT = 2
824 # Magic number prepended to all confd queries.
825 # This allows us to distinguish different types of confd protocols and handle
826 # them. For example by changing this we can move the whole payload to be
827 # compressed, or move away from json.
828 CONFD_MAGIC_FOURCC = 'plj0'
830 # By default a confd request is sent to the minimum between this number and all
831 # MCs. 6 was chosen because even in the case of a disastrous 50% response rate,
832 # we should have enough answers to be able to compare more than one.
833 CONFD_DEFAULT_REQ_COVERAGE = 6
835 # Timeout in seconds to expire pending query request in the confd client
836 # library. We don't actually expect any answer more than 10 seconds after we
838 CONFD_CLIENT_EXPIRE_TIMEOUT = 10
840 # Maximum UDP datagram size.
841 # On IPv4: 64K - 20 (ip header size) - 8 (udp header size) = 65507
842 # On IPv6: 64K - 40 (ip6 header size) - 8 (udp header size) = 65487
843 # (assuming we can't use jumbo frames)
844 # We just set this to 60K, which should be enough
845 MAX_UDP_DATA_SIZE = 61440
847 # User-id pool minimum/maximum acceptable user-ids.
849 UIDPOOL_UID_MAX = 2**32-1 # Assuming 32 bit user-ids
851 # Name or path of the pgrep command