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 CLUSTER_CONF_FILE = DATA_DIR + "/config.data"
100 NODED_CERT_FILE = DATA_DIR + "/server.pem"
101 RAPI_CERT_FILE = DATA_DIR + "/rapi.pem"
102 CONFD_HMAC_KEY = DATA_DIR + "/hmac.key"
103 WATCHER_STATEFILE = DATA_DIR + "/watcher.data"
104 WATCHER_PAUSEFILE = DATA_DIR + "/watcher.pause"
105 INSTANCE_UPFILE = RUN_GANETI_DIR + "/instance-status"
106 SSH_KNOWN_HOSTS_FILE = DATA_DIR + "/known_hosts"
107 RAPI_USERS_FILE = DATA_DIR + "/rapi_users"
108 QUEUE_DIR = DATA_DIR + "/queue"
109 DAEMON_UTIL = _autoconf.PKGLIBDIR + "/daemon-util"
110 ETC_HOSTS = "/etc/hosts"
111 DEFAULT_FILE_STORAGE_DIR = _autoconf.FILE_STORAGE_DIR
112 ENABLE_FILE_STORAGE = _autoconf.ENABLE_FILE_STORAGE
113 SYSCONFDIR = _autoconf.SYSCONFDIR
114 TOOLSDIR = _autoconf.TOOLSDIR
115 CONF_DIR = SYSCONFDIR + "/ganeti"
117 ALL_CERT_FILES = frozenset([NODED_CERT_FILE, RAPI_CERT_FILE])
119 MASTER_SOCKET = SOCKET_DIR + "/ganeti-master"
121 NODED = "ganeti-noded"
122 CONFD = "ganeti-confd"
124 MASTERD = "ganeti-masterd"
125 # used in the ganeti-nbma project
128 MULTITHREADED_DAEMONS = frozenset([MASTERD])
131 # daemon-name: (default-cert-path, default-key-path)
132 NODED: (NODED_CERT_FILE, NODED_CERT_FILE),
133 RAPI: (RAPI_CERT_FILE, RAPI_CERT_FILE),
137 # daemon-name: ("proto", "default-port")
138 NODED: ("tcp", 1811),
139 CONFD: ("udp", 1814),
141 # used in the ganeti-nbma project
144 DEFAULT_NODED_PORT = DAEMONS_PORTS[NODED][1]
145 DEFAULT_CONFD_PORT = DAEMONS_PORTS[CONFD][1]
146 DEFAULT_RAPI_PORT = DAEMONS_PORTS[RAPI][1]
147 # used in the ganeti-nbma project
148 DEFAULT_NLD_PORT = DAEMONS_PORTS[NLD][1]
150 FIRST_DRBD_PORT = 11000
151 LAST_DRBD_PORT = 14999
152 MASTER_SCRIPT = "ganeti-master"
154 LOG_DIR = _autoconf.LOCALSTATEDIR + "/log/ganeti/"
156 # "daemon-name": "logfile"
157 NODED: LOG_DIR + "node-daemon.log",
158 CONFD: LOG_DIR + "conf-daemon.log",
159 RAPI: LOG_DIR + "rapi-daemon.log",
160 MASTERD: LOG_DIR + "master-daemon.log",
161 # used in the ganeti-nbma project
162 NLD: LOG_DIR + "nl-daemon.log",
164 LOG_OS_DIR = LOG_DIR + "os"
165 LOG_WATCHER = LOG_DIR + "watcher.log"
166 LOG_COMMANDS = LOG_DIR + "commands.log"
167 LOG_BURNIN = LOG_DIR + "burnin.log"
169 # one of 'no', 'yes', 'only'
170 SYSLOG_USAGE = _autoconf.SYSLOG_USAGE
174 SYSLOG_SOCKET = "/dev/log"
176 OS_SEARCH_PATH = _autoconf.OS_SEARCH_PATH
177 EXPORT_DIR = _autoconf.EXPORT_DIR
179 EXPORT_CONF_FILE = "config.ini"
181 XEN_BOOTLOADER = _autoconf.XEN_BOOTLOADER
182 XEN_KERNEL = _autoconf.XEN_KERNEL
183 XEN_INITRD = _autoconf.XEN_INITRD
185 KVM_PATH = _autoconf.KVM_PATH
186 SOCAT_PATH = _autoconf.SOCAT_PATH
187 SOCAT_USE_ESCAPE = _autoconf.SOCAT_USE_ESCAPE
188 SOCAT_ESCAPE_CODE = "0x1d"
190 VALUE_DEFAULT = "default"
192 VALUE_GENERATE = "generate"
195 VALUE_FALSE = "false"
197 # External script validation mask
198 EXT_PLUGIN_MASK = re.compile("^[a-zA-Z0-9_-]+$")
200 # hooks-related constants
201 HOOKS_BASE_DIR = CONF_DIR + "/hooks"
202 HOOKS_PHASE_PRE = "pre"
203 HOOKS_PHASE_POST = "post"
204 HOOKS_NAME_CFGUPDATE = "config-update"
205 HOOKS_NAME_WATCHER = "watcher"
208 # hooks subject type (what object type does the LU deal with)
209 HTYPE_CLUSTER = "CLUSTER"
211 HTYPE_INSTANCE = "INSTANCE"
223 # first two are valid in LU context only, not passed to backend
226 # and the rest are valid in backend
231 SF_ALLOCATABLE = "allocatable"
234 SO_FIX_CONSISTENCY = "fix-consistency"
236 # Available fields per storage type
237 VALID_STORAGE_FIELDS = frozenset([SF_NAME, SF_TYPE, SF_SIZE,
238 SF_USED, SF_FREE, SF_ALLOCATABLE])
240 VALID_STORAGE_TYPES = frozenset([ST_FILE, ST_LVM_PV, ST_LVM_VG])
242 MODIFIABLE_STORAGE_FIELDS = {
243 ST_LVM_PV: frozenset([SF_ALLOCATABLE]),
246 VALID_STORAGE_OPERATIONS = {
247 ST_LVM_VG: frozenset([SO_FIX_CONSISTENCY]),
251 # Note: Code depends on LDS_OKAY < LDS_UNKNOWN < LDS_FAULTY
254 LDS_FAULTY) = range(1, 4)
256 # disk template types
257 DT_DISKLESS = "diskless"
262 # the set of network-mirrored disk templates
263 DTS_NET_MIRROR = frozenset([DT_DRBD8])
265 # the set of non-lvm-based disk templates
266 DTS_NOT_LVM = frozenset([DT_DISKLESS, DT_FILE])
268 # the set of disk templates which can be grown
269 DTS_GROWABLE = frozenset([DT_PLAIN, DT_DRBD8, DT_FILE])
275 LDS_BLOCK = frozenset([LD_LV, LD_DRBD8])
278 DRBD_HMAC_ALG = "md5"
279 DRBD_NET_PROTOCOL = "C"
280 DRBD_BARRIERS = _autoconf.DRBD_BARRIERS
282 # file backend driver
286 # the set of drbd-like disk types
287 LDS_DRBD = frozenset([LD_DRBD8])
292 DISK_ACCESS_SET = frozenset([DISK_RDONLY, DISK_RDWR])
294 # disk replacement mode
295 REPLACE_DISK_PRI = "replace_on_primary" # replace disks on primary
296 REPLACE_DISK_SEC = "replace_on_secondary" # replace disks on secondary
297 REPLACE_DISK_CHG = "replace_new_secondary" # change secondary node
298 REPLACE_DISK_AUTO = "replace_auto"
300 # lock recalculate mode
301 LOCKS_REPLACE = 'replace'
302 LOCKS_APPEND = 'append'
304 # instance creation modes
305 INSTANCE_CREATE = "create"
306 INSTANCE_IMPORT = "import"
308 DISK_TEMPLATES = frozenset([DT_DISKLESS, DT_PLAIN,
311 FILE_DRIVER = frozenset([FD_LOOP, FD_BLKTAP])
313 # import/export config options
314 INISECT_EXP = "export"
315 INISECT_INS = "instance"
316 INISECT_HYP = "hypervisor"
317 INISECT_BEP = "backend"
319 # dynamic device modification
322 DDM_REMOVE = 'remove'
329 EXIT_NODESETUP_ERROR = 12
330 EXIT_CONFIRMATION = 13 # need user confirmation
331 EXIT_NOTCANDIDATE = 14
334 TAG_CLUSTER = "cluster"
336 TAG_INSTANCE = "instance"
338 MAX_TAGS_PER_OBJ = 4096
341 DEFAULT_BRIDGE = "xen-br0"
342 SYNC_SPEED = 60 * 1024
343 LOCALHOST_IP_ADDRESS = "127.0.0.1"
344 TCP_PING_TIMEOUT = 10
345 GANETI_RUNAS = "root"
347 BIND_ADDRESS_GLOBAL = "0.0.0.0"
349 DEFAULT_MAC_PREFIX = "aa:00:00"
350 LVM_STRIPECOUNT = _autoconf.LVM_STRIPECOUNT
351 # default maximum instance wait time, in seconds.
352 DEFAULT_SHUTDOWN_TIMEOUT = 120
353 NODE_MAX_CLOCK_SKEW = 150
358 RUNPARTS_ERR) = range(3)
360 RUNPARTS_STATUS = frozenset([RUNPARTS_SKIP, RUNPARTS_RUN, RUNPARTS_ERR])
364 RPC_ENCODING_ZLIB_BASE64) = range(2)
366 # os related constants
367 OS_SCRIPT_CREATE = 'create'
368 OS_SCRIPT_IMPORT = 'import'
369 OS_SCRIPT_EXPORT = 'export'
370 OS_SCRIPT_RENAME = 'rename'
371 OS_SCRIPTS = frozenset([OS_SCRIPT_CREATE, OS_SCRIPT_IMPORT,
372 OS_SCRIPT_EXPORT, OS_SCRIPT_RENAME])
374 OS_API_FILE = 'ganeti_api_version'
375 OS_VARIANTS_FILE = 'variants.list'
378 SSH_CONFIG_DIR = _autoconf.SSH_CONFIG_DIR
379 SSH_HOST_DSA_PRIV = SSH_CONFIG_DIR + "/ssh_host_dsa_key"
380 SSH_HOST_DSA_PUB = SSH_HOST_DSA_PRIV + ".pub"
381 SSH_HOST_RSA_PRIV = SSH_CONFIG_DIR + "/ssh_host_rsa_key"
382 SSH_HOST_RSA_PUB = SSH_HOST_RSA_PRIV + ".pub"
387 INSTANCE_REBOOT_SOFT = "soft"
388 INSTANCE_REBOOT_HARD = "hard"
389 INSTANCE_REBOOT_FULL = "full"
391 REBOOT_TYPES = frozenset([INSTANCE_REBOOT_SOFT,
392 INSTANCE_REBOOT_HARD,
393 INSTANCE_REBOOT_FULL])
395 VTYPE_STRING = 'string'
397 VTYPE_SIZE = 'size' # size, in MiBs
399 ENFORCEABLE_TYPES = frozenset([
406 # HV parameter names (global namespace)
407 HV_BOOT_ORDER = "boot_order"
408 HV_CDROM_IMAGE_PATH = "cdrom_image_path"
409 HV_NIC_TYPE = "nic_type"
410 HV_DISK_TYPE = "disk_type"
411 HV_VNC_BIND_ADDRESS = "vnc_bind_address"
412 HV_VNC_PASSWORD_FILE = "vnc_password_file"
413 HV_VNC_TLS = "vnc_tls"
414 HV_VNC_X509 = "vnc_x509_path"
415 HV_VNC_X509_VERIFY = "vnc_x509_verify"
418 HV_USE_BOOTLOADER = "use_bootloader"
419 HV_BOOTLOADER_ARGS = "bootloader_args"
420 HV_BOOTLOADER_PATH = "bootloader_path"
421 HV_KERNEL_ARGS = "kernel_args"
422 HV_KERNEL_PATH = "kernel_path"
423 HV_INITRD_PATH = "initrd_path"
424 HV_ROOT_PATH = "root_path"
425 HV_SERIAL_CONSOLE = "serial_console"
426 HV_USB_MOUSE = "usb_mouse"
427 HV_DEVICE_MODEL = "device_model"
428 HV_INIT_SCRIPT = "init_script"
429 HV_MIGRATION_PORT = "migration_port"
430 HV_USE_LOCALTIME = "use_localtime"
431 HV_DISK_CACHE = "disk_cache"
432 HV_SECURITY_MODEL = "security_model"
433 HV_SECURITY_DOMAIN = "security_domain"
434 HV_KVM_FLAG = "kvm_flag"
436 HVS_PARAMETER_TYPES = {
437 HV_BOOT_ORDER: VTYPE_STRING,
438 HV_CDROM_IMAGE_PATH: VTYPE_STRING,
439 HV_NIC_TYPE: VTYPE_STRING,
440 HV_DISK_TYPE: VTYPE_STRING,
441 HV_VNC_PASSWORD_FILE: VTYPE_STRING,
442 HV_VNC_BIND_ADDRESS: VTYPE_STRING,
443 HV_VNC_TLS: VTYPE_BOOL,
444 HV_VNC_X509: VTYPE_STRING,
445 HV_VNC_X509_VERIFY: VTYPE_BOOL,
448 HV_USE_BOOTLOADER: VTYPE_BOOL,
449 HV_BOOTLOADER_PATH: VTYPE_STRING,
450 HV_BOOTLOADER_ARGS: VTYPE_STRING,
451 HV_KERNEL_PATH: VTYPE_STRING,
452 HV_KERNEL_ARGS: VTYPE_STRING,
453 HV_INITRD_PATH: VTYPE_STRING,
454 HV_ROOT_PATH: VTYPE_STRING,
455 HV_SERIAL_CONSOLE: VTYPE_BOOL,
456 HV_USB_MOUSE: VTYPE_STRING,
457 HV_DEVICE_MODEL: VTYPE_STRING,
458 HV_INIT_SCRIPT: VTYPE_STRING,
459 HV_MIGRATION_PORT: VTYPE_INT,
460 HV_USE_LOCALTIME: VTYPE_BOOL,
461 HV_DISK_CACHE: VTYPE_STRING,
462 HV_SECURITY_MODEL: VTYPE_STRING,
463 HV_SECURITY_DOMAIN: VTYPE_STRING,
464 HV_KVM_FLAG: VTYPE_STRING,
467 HVS_PARAMETERS = frozenset(HVS_PARAMETER_TYPES.keys())
472 BE_AUTO_BALANCE = "auto_balance"
474 BES_PARAMETER_TYPES = {
475 BE_MEMORY: VTYPE_SIZE,
477 BE_AUTO_BALANCE: VTYPE_BOOL,
480 BES_PARAMETERS = frozenset(BES_PARAMETER_TYPES.keys())
482 # Instance Parameters Profile
483 PP_DEFAULT = "default"
488 NIC_MODE_BRIDGED = "bridged"
489 NIC_MODE_ROUTED = "routed"
491 NIC_VALID_MODES = frozenset([NIC_MODE_BRIDGED, NIC_MODE_ROUTED])
493 NICS_PARAMETER_TYPES = {
494 NIC_MODE: VTYPE_STRING,
495 NIC_LINK: VTYPE_STRING,
498 NICS_PARAMETERS = frozenset(NICS_PARAMETER_TYPES.keys())
500 # Hypervisor constants
501 HT_XEN_PVM = "xen-pvm"
503 HT_XEN_HVM = "xen-hvm"
506 HYPER_TYPES = frozenset([HT_XEN_PVM, HT_FAKE, HT_XEN_HVM, HT_KVM, HT_CHROOT])
507 HTS_REQ_PORT = frozenset([HT_XEN_HVM, HT_KVM])
510 VNC_PASSWORD_FILE = CONF_DIR + "/vnc-cluster-password"
511 VNC_DEFAULT_BIND_ADDRESS = '0.0.0.0'
514 HT_NIC_RTL8139 = "rtl8139"
515 HT_NIC_NE2K_PCI = "ne2k_pci"
516 HT_NIC_NE2K_ISA = "ne2k_isa"
517 HT_NIC_I82551 = "i82551"
518 HT_NIC_I85557B = "i82557b"
519 HT_NIC_I8259ER = "i82559er"
520 HT_NIC_PCNET = "pcnet"
521 HT_NIC_E1000 = "e1000"
522 HT_NIC_PARAVIRTUAL = HT_DISK_PARAVIRTUAL = "paravirtual"
524 HT_HVM_VALID_NIC_TYPES = frozenset([HT_NIC_RTL8139, HT_NIC_NE2K_PCI,
525 HT_NIC_NE2K_ISA, HT_NIC_PARAVIRTUAL])
526 HT_KVM_VALID_NIC_TYPES = frozenset([HT_NIC_RTL8139, HT_NIC_NE2K_PCI,
527 HT_NIC_NE2K_ISA, HT_NIC_I82551,
528 HT_NIC_I85557B, HT_NIC_I8259ER,
529 HT_NIC_PCNET, HT_NIC_E1000,
532 HT_DISK_IOEMU = "ioemu"
534 HT_DISK_SCSI = "scsi"
537 HT_DISK_PFLASH = "pflash"
539 HT_CACHE_DEFAULT = "default"
540 HT_CACHE_NONE = "none"
541 HT_CACHE_WTHROUGH = "writethrough"
542 HT_CACHE_WBACK = "writeback"
543 HT_VALID_CACHE_TYPES = frozenset([HT_CACHE_DEFAULT,
548 HT_HVM_VALID_DISK_TYPES = frozenset([HT_DISK_PARAVIRTUAL, HT_DISK_IOEMU])
549 HT_KVM_VALID_DISK_TYPES = frozenset([HT_DISK_PARAVIRTUAL, HT_DISK_IDE,
550 HT_DISK_SCSI, HT_DISK_SD, HT_DISK_MTD,
554 HT_MOUSE_MOUSE = "mouse"
555 HT_MOUSE_TABLET = "tablet"
557 HT_KVM_VALID_MOUSE_TYPES = frozenset([HT_MOUSE_MOUSE, HT_MOUSE_TABLET])
560 HT_BO_CDROM = "cdrom"
562 HT_BO_NETWORK = "network"
564 HT_KVM_VALID_BO_TYPES = frozenset([HT_BO_CDROM, HT_BO_DISK, HT_BO_NETWORK])
571 HT_KVM_VALID_SM_TYPES = frozenset([HT_SM_NONE, HT_SM_USER, HT_SM_POOL])
574 HT_KVM_ENABLED = "enabled"
575 HT_KVM_DISABLED = "disabled"
577 HT_KVM_FLAG_VALUES = frozenset([HT_KVM_ENABLED, HT_KVM_DISABLED])
579 # Cluster Verify steps
580 VERIFY_NPLUSONE_MEM = 'nplusone_mem'
581 VERIFY_OPTIONAL_CHECKS = frozenset([VERIFY_NPLUSONE_MEM])
583 # Node verify constants
584 NV_FILELIST = "filelist"
586 NV_HYPERVISOR = "hypervisor"
587 NV_INSTANCELIST = "instancelist"
588 NV_NODELIST = "nodelist"
589 NV_NODENETTEST = "node-net-test"
590 NV_VERSION = "version"
594 NV_DRBDLIST = "drbd-list"
595 NV_NODESETUP = "nodesetup"
598 # SSL certificate check constants (in days)
599 SSL_CERT_EXPIRATION_WARN = 30
600 SSL_CERT_EXPIRATION_ERROR = 7
602 # Allocator framework constants
603 IALLOCATOR_VERSION = 2
604 IALLOCATOR_DIR_IN = "in"
605 IALLOCATOR_DIR_OUT = "out"
606 IALLOCATOR_MODE_ALLOC = "allocate"
607 IALLOCATOR_MODE_RELOC = "relocate"
608 IALLOCATOR_MODE_MEVAC = "multi-evacuate"
609 IALLOCATOR_SEARCH_PATH = _autoconf.IALLOCATOR_SEARCH_PATH
612 JOB_QUEUE_VERSION = 1
613 JOB_QUEUE_LOCK_FILE = QUEUE_DIR + "/lock"
614 JOB_QUEUE_VERSION_FILE = QUEUE_DIR + "/version"
615 JOB_QUEUE_SERIAL_FILE = QUEUE_DIR + "/serial"
616 JOB_QUEUE_ARCHIVE_DIR = QUEUE_DIR + "/archive"
617 JOB_QUEUE_DRAIN_FILE = QUEUE_DIR + "/drain"
618 JOB_QUEUE_SIZE_HARD_LIMIT = 5000
619 JOB_QUEUE_SIZE_SOFT_LIMIT = JOB_QUEUE_SIZE_HARD_LIMIT * 0.8
621 JOB_ID_TEMPLATE = r"\d+"
623 # unchanged job return
624 JOB_NOTCHANGED = "nochange"
627 JOB_STATUS_QUEUED = "queued"
628 JOB_STATUS_WAITLOCK = "waiting"
629 JOB_STATUS_CANCELING = "canceling"
630 JOB_STATUS_RUNNING = "running"
631 JOB_STATUS_CANCELED = "canceled"
632 JOB_STATUS_SUCCESS = "success"
633 JOB_STATUS_ERROR = "error"
637 OP_STATUS_QUEUED = "queued"
638 OP_STATUS_WAITLOCK = "waiting"
639 OP_STATUS_CANCELING = "canceling"
640 OP_STATUS_RUNNING = "running"
642 OP_STATUS_CANCELED = "canceled"
643 OP_STATUS_SUCCESS = "success"
644 OP_STATUS_ERROR = "error"
645 OPS_FINALIZED = frozenset([OP_STATUS_CANCELED,
649 # Execution log types
650 ELOG_MESSAGE = "message"
651 ELOG_PROGRESS = "progress"
653 # max dynamic devices
658 SS_CLUSTER_NAME = "cluster_name"
659 SS_CLUSTER_TAGS = "cluster_tags"
660 SS_FILE_STORAGE_DIR = "file_storage_dir"
661 SS_MASTER_CANDIDATES = "master_candidates"
662 SS_MASTER_CANDIDATES_IPS = "master_candidates_ips"
663 SS_MASTER_IP = "master_ip"
664 SS_MASTER_NETDEV = "master_netdev"
665 SS_MASTER_NODE = "master_node"
666 SS_NODE_LIST = "node_list"
667 SS_NODE_PRIMARY_IPS = "node_primary_ips"
668 SS_NODE_SECONDARY_IPS = "node_secondary_ips"
669 SS_OFFLINE_NODES = "offline_nodes"
670 SS_ONLINE_NODES = "online_nodes"
671 SS_INSTANCE_LIST = "instance_list"
672 SS_RELEASE_VERSION = "release_version"
673 SS_HYPERVISOR_LIST = "hypervisor_list"
674 SS_MAINTAIN_NODE_HEALTH = "maintain_node_health"
676 # cluster wide default parameters
677 DEFAULT_ENABLED_HYPERVISOR = HT_XEN_PVM
681 HV_USE_BOOTLOADER: False,
682 HV_BOOTLOADER_PATH: XEN_BOOTLOADER,
683 HV_BOOTLOADER_ARGS: '',
684 HV_KERNEL_PATH: "/boot/vmlinuz-2.6-xenU",
686 HV_ROOT_PATH: '/dev/sda1',
687 HV_KERNEL_ARGS: 'ro',
688 HV_MIGRATION_PORT: 8002,
692 HV_CDROM_IMAGE_PATH: '',
693 HV_NIC_TYPE: HT_NIC_RTL8139,
694 HV_DISK_TYPE: HT_DISK_PARAVIRTUAL,
695 HV_VNC_BIND_ADDRESS: '0.0.0.0',
696 HV_VNC_PASSWORD_FILE: VNC_PASSWORD_FILE,
699 HV_KERNEL_PATH: "/usr/lib/xen/boot/hvmloader",
700 HV_DEVICE_MODEL: "/usr/lib/xen/bin/qemu-dm",
701 HV_MIGRATION_PORT: 8002,
702 HV_USE_LOCALTIME: False,
705 HV_KERNEL_PATH: "/boot/vmlinuz-2.6-kvmU",
707 HV_KERNEL_ARGS: 'ro',
708 HV_ROOT_PATH: '/dev/vda1',
710 HV_SERIAL_CONSOLE: True,
711 HV_VNC_BIND_ADDRESS: '',
714 HV_VNC_X509_VERIFY: False,
715 HV_VNC_PASSWORD_FILE: '',
716 HV_CDROM_IMAGE_PATH: '',
717 HV_BOOT_ORDER: HT_BO_DISK,
718 HV_NIC_TYPE: HT_NIC_PARAVIRTUAL,
719 HV_DISK_TYPE: HT_DISK_PARAVIRTUAL,
721 HV_MIGRATION_PORT: 8102,
722 HV_USE_LOCALTIME: False,
723 HV_DISK_CACHE: HT_CACHE_DEFAULT,
724 HV_SECURITY_MODEL: HT_SM_NONE,
725 HV_SECURITY_DOMAIN: '',
731 HV_INIT_SCRIPT: "/ganeti-chroot",
735 HVC_GLOBALS = frozenset([
742 BE_AUTO_BALANCE: True,
746 NIC_MODE: NIC_MODE_BRIDGED,
747 NIC_LINK: DEFAULT_BRIDGE,
750 MASTER_POOL_SIZE_DEFAULT = 10
752 CONFD_PROTOCOL_VERSION = 1
755 CONFD_REQ_NODE_ROLE_BYNAME = 1
756 CONFD_REQ_NODE_PIP_BY_INSTANCE_IP = 2
757 CONFD_REQ_CLUSTER_MASTER = 3
758 CONFD_REQ_NODE_PIP_LIST = 4
759 CONFD_REQ_MC_PIP_LIST = 5
760 CONFD_REQ_INSTANCES_IPS_LIST = 6
762 # Confd request query fields. These are used to narrow down queries.
763 # These must be strings rather than integers, because json-encoding
764 # converts them to strings anyway, as they're used as dict-keys.
765 CONFD_REQQ_LINK = "0"
767 CONFD_REQQ_IPLIST = "2"
768 CONFD_REQQ_FIELDS = "3"
770 CONFD_REQFIELD_NAME = "0"
771 CONFD_REQFIELD_IP = "1"
772 CONFD_REQFIELD_MNODE_PIP = "2"
774 CONFD_REQS = frozenset([
776 CONFD_REQ_NODE_ROLE_BYNAME,
777 CONFD_REQ_NODE_PIP_BY_INSTANCE_IP,
778 CONFD_REQ_CLUSTER_MASTER,
779 CONFD_REQ_NODE_PIP_LIST,
780 CONFD_REQ_MC_PIP_LIST,
781 CONFD_REQ_INSTANCES_IPS_LIST,
784 CONFD_REPL_STATUS_OK = 0
785 CONFD_REPL_STATUS_ERROR = 1
786 CONFD_REPL_STATUS_NOTIMPLEMENTED = 2
788 CONFD_REPL_STATUSES = frozenset([
789 CONFD_REPL_STATUS_OK,
790 CONFD_REPL_STATUS_ERROR,
791 CONFD_REPL_STATUS_NOTIMPLEMENTED,
794 (CONFD_NODE_ROLE_MASTER,
795 CONFD_NODE_ROLE_CANDIDATE,
796 CONFD_NODE_ROLE_OFFLINE,
797 CONFD_NODE_ROLE_DRAINED,
798 CONFD_NODE_ROLE_REGULAR,
801 # A few common errors for confd
802 CONFD_ERROR_UNKNOWN_ENTRY = 1
803 CONFD_ERROR_INTERNAL = 2
804 CONFD_ERROR_ARGUMENT = 3
806 # Each request is "salted" by the current timestamp.
807 # This constants decides how many seconds of skew to accept.
808 # TODO: make this a default and allow the value to be more configurable
809 CONFD_MAX_CLOCK_SKEW = 2 * NODE_MAX_CLOCK_SKEW
811 # When we haven't reloaded the config for more than this amount of seconds, we
812 # force a test to see if inotify is betraying us.
813 CONFD_CONFIG_RELOAD_TIMEOUT = 60
815 # If we receive more than one update in this amount of seconds, we move to
816 # polling every RATELIMIT seconds, rather than relying on inotify, to be able
817 # to serve more requests.
818 CONFD_CONFIG_RELOAD_RATELIMIT = 2
820 # Magic number prepended to all confd queries.
821 # This allows us to distinguish different types of confd protocols and handle
822 # them. For example by changing this we can move the whole payload to be
823 # compressed, or move away from json.
824 CONFD_MAGIC_FOURCC = 'plj0'
826 # By default a confd request is sent to the minimum between this number and all
827 # MCs. 6 was chosen because even in the case of a disastrous 50% response rate,
828 # we should have enough answers to be able to compare more than one.
829 CONFD_DEFAULT_REQ_COVERAGE = 6
831 # Timeout in seconds to expire pending query request in the confd client
832 # library. We don't actually expect any answer more than 10 seconds after we
834 CONFD_CLIENT_EXPIRE_TIMEOUT = 10
836 # Maximum UDP datagram size.
837 # On IPv4: 64K - 20 (ip header size) - 8 (udp header size) = 65507
838 # On IPv6: 64K - 40 (ip6 header size) - 8 (udp header size) = 65487
839 # (assuming we can't use jumbo frames)
840 # We just set this to 60K, which should be enough
841 MAX_UDP_DATA_SIZE = 61440
843 # User-id pool minimum/maximum acceptable user-ids.
845 UIDPOOL_UID_MAX = 2**32-1 # Assuming 32 bit user-ids