4 # Copyright (C) 2006, 2007, 2008, 2009, 2010 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
34 OS_API_VERSIONS = frozenset([OS_API_V10, OS_API_V15, OS_API_V20])
35 VCS_VERSION = _autoconf.VCS_VERSION
40 # Format for CONFIG_VERSION:
41 # 01 03 0123 = 01030123
43 # | | + Configuration version/revision
47 # It stored as an integer. Make sure not to write an octal number.
49 # BuildVersion and SplitVersion must be in here because we can't import other
50 # modules. The cfgupgrade tool must be able to read and write version numbers
51 # and thus requires these functions. To avoid code duplication, they're kept in
54 def BuildVersion(major, minor, revision):
55 """Calculates int version number from major, minor and revision numbers.
57 Returns: int representing version number
60 assert isinstance(major, int)
61 assert isinstance(minor, int)
62 assert isinstance(revision, int)
63 return (1000000 * major +
68 def SplitVersion(version):
69 """Splits version number stored in an int.
71 Returns: tuple; (major, minor, revision)
74 assert isinstance(version, int)
76 (major, remainder) = divmod(version, 1000000)
77 (minor, revision) = divmod(remainder, 10000)
79 return (major, minor, revision)
82 CONFIG_MAJOR = int(_autoconf.VERSION_MAJOR)
83 CONFIG_MINOR = int(_autoconf.VERSION_MINOR)
85 CONFIG_VERSION = BuildVersion(CONFIG_MAJOR, CONFIG_MINOR, CONFIG_REVISION)
88 DAEMONS_GROUP = _autoconf.DAEMONS_GROUP
89 MASTERD_USER = _autoconf.MASTERD_USER
90 RAPI_USER = _autoconf.RAPI_USER
93 DATA_DIR = _autoconf.LOCALSTATEDIR + "/lib/ganeti"
94 RUN_DIR = _autoconf.LOCALSTATEDIR + "/run"
95 RUN_GANETI_DIR = RUN_DIR + "/ganeti"
96 BDEV_CACHE_DIR = RUN_GANETI_DIR + "/bdev-cache"
97 DISK_LINKS_DIR = RUN_GANETI_DIR + "/instance-disks"
99 SOCKET_DIR = RUN_GANETI_DIR + "/socket"
100 SECURE_DIR_MODE = 0700
101 SECURE_FILE_MODE = 0600
102 SOCKET_DIR_MODE = 0750
103 CRYPTO_KEYS_DIR = RUN_GANETI_DIR + "/crypto"
104 CRYPTO_KEYS_DIR_MODE = SECURE_DIR_MODE
105 IMPORT_EXPORT_DIR = RUN_GANETI_DIR + "/import-export"
106 IMPORT_EXPORT_DIR_MODE = 0755
107 # keep RUN_GANETI_DIR first here, to make sure all get created when the node
108 # daemon is started (this takes care of RUN_DIR being tmpfs)
109 SUB_RUN_DIRS = [ RUN_GANETI_DIR, BDEV_CACHE_DIR, DISK_LINKS_DIR ]
110 LOCK_DIR = _autoconf.LOCALSTATEDIR + "/lock"
111 SSCONF_LOCK_FILE = LOCK_DIR + "/ganeti-ssconf.lock"
112 # User-id pool lock directory
113 # The user-ids that are in use have a corresponding lock file in this directory
114 UIDPOOL_LOCKDIR = RUN_GANETI_DIR + "/uid-pool"
115 CLUSTER_CONF_FILE = DATA_DIR + "/config.data"
116 NODED_CERT_FILE = DATA_DIR + "/server.pem"
117 RAPI_CERT_FILE = DATA_DIR + "/rapi.pem"
118 CONFD_HMAC_KEY = DATA_DIR + "/hmac.key"
119 CLUSTER_DOMAIN_SECRET_FILE = DATA_DIR + "/cluster-domain-secret"
120 WATCHER_STATEFILE = DATA_DIR + "/watcher.data"
121 WATCHER_PAUSEFILE = DATA_DIR + "/watcher.pause"
122 INSTANCE_UPFILE = RUN_GANETI_DIR + "/instance-status"
123 SSH_KNOWN_HOSTS_FILE = DATA_DIR + "/known_hosts"
124 RAPI_USERS_FILE = DATA_DIR + "/rapi_users"
125 QUEUE_DIR = DATA_DIR + "/queue"
126 DAEMON_UTIL = _autoconf.PKGLIBDIR + "/daemon-util"
127 ETC_HOSTS = "/etc/hosts"
128 DEFAULT_FILE_STORAGE_DIR = _autoconf.FILE_STORAGE_DIR
129 ENABLE_FILE_STORAGE = _autoconf.ENABLE_FILE_STORAGE
130 SYSCONFDIR = _autoconf.SYSCONFDIR
131 TOOLSDIR = _autoconf.TOOLSDIR
132 CONF_DIR = SYSCONFDIR + "/ganeti"
134 ALL_CERT_FILES = frozenset([NODED_CERT_FILE, RAPI_CERT_FILE])
136 MASTER_SOCKET = SOCKET_DIR + "/ganeti-master"
138 NODED = "ganeti-noded"
139 CONFD = "ganeti-confd"
141 MASTERD = "ganeti-masterd"
142 # used in the ganeti-nbma project
146 # daemon-name: ("proto", "default-port")
147 NODED: ("tcp", 1811),
148 CONFD: ("udp", 1814),
151 # used in the ganeti-nbma project
154 DEFAULT_NODED_PORT = DAEMONS_PORTS[NODED][1]
155 DEFAULT_CONFD_PORT = DAEMONS_PORTS[CONFD][1]
156 DEFAULT_RAPI_PORT = DAEMONS_PORTS[RAPI][1]
157 # used in the ganeti-nbma project
158 DEFAULT_NLD_PORT = DAEMONS_PORTS[NLD][1]
160 FIRST_DRBD_PORT = 11000
161 LAST_DRBD_PORT = 14999
162 MASTER_SCRIPT = "ganeti-master"
164 LOG_DIR = _autoconf.LOCALSTATEDIR + "/log/ganeti/"
166 # "daemon-name": "logfile"
167 NODED: LOG_DIR + "node-daemon.log",
168 CONFD: LOG_DIR + "conf-daemon.log",
169 RAPI: LOG_DIR + "rapi-daemon.log",
170 MASTERD: LOG_DIR + "master-daemon.log",
171 # used in the ganeti-nbma project
172 NLD: LOG_DIR + "nl-daemon.log",
175 LOG_OS_DIR = LOG_DIR + "os"
176 LOG_WATCHER = LOG_DIR + "watcher.log"
177 LOG_COMMANDS = LOG_DIR + "commands.log"
178 LOG_BURNIN = LOG_DIR + "burnin.log"
179 LOG_SETUP_SSH = LOG_DIR + "setup-ssh.log"
181 DEV_CONSOLE = "/dev/console"
183 PROC_MOUNTS = "/proc/mounts"
185 # luxi related constants
188 # one of 'no', 'yes', 'only'
189 SYSLOG_USAGE = _autoconf.SYSLOG_USAGE
193 SYSLOG_SOCKET = "/dev/log"
195 OS_SEARCH_PATH = _autoconf.OS_SEARCH_PATH
196 EXPORT_DIR = _autoconf.EXPORT_DIR
198 EXPORT_CONF_FILE = "config.ini"
200 XEN_BOOTLOADER = _autoconf.XEN_BOOTLOADER
201 XEN_KERNEL = _autoconf.XEN_KERNEL
202 XEN_INITRD = _autoconf.XEN_INITRD
204 KVM_PATH = _autoconf.KVM_PATH
205 SOCAT_PATH = _autoconf.SOCAT_PATH
206 SOCAT_USE_ESCAPE = _autoconf.SOCAT_USE_ESCAPE
207 SOCAT_ESCAPE_CODE = "0x1d"
209 # For RSA keys more bits are better, but they also make operations more
210 # expensive. NIST SP 800-131 recommends a minimum of 2048 bits from the year
214 # Ciphers allowed for SSL connections. For the format, see ciphers(1). A better
215 # way to disable ciphers would be to use the exclamation mark (!), but socat
216 # versions below 1.5 can't parse exclamation marks in options properly. When
217 # modifying the ciphers, ensure to not accidentially add something after it's
218 # been removed. Use the "openssl" utility to check the allowed ciphers, e.g.
219 # "openssl ciphers -v HIGH:-DES".
220 OPENSSL_CIPHERS = "HIGH:-DES:-3DES:-EXPORT:-ADH"
222 # Digest used to sign certificates ("openssl x509" uses SHA1 by default)
223 X509_CERT_SIGN_DIGEST = "SHA1"
225 # Default validity of certificates in days
226 X509_CERT_DEFAULT_VALIDITY = 365 * 5
228 # commonName (CN) used in certificates
229 X509_CERT_CN = "ganeti.example.com"
231 X509_CERT_SIGNATURE_HEADER = "X-Ganeti-Signature"
233 IMPORT_EXPORT_DAEMON = _autoconf.PKGLIBDIR + "/import-export"
235 # Import/export daemon mode
236 IEM_IMPORT = "import"
237 IEM_EXPORT = "export"
239 # Import/export transport compression
242 IEC_ALL = frozenset([
247 IE_CUSTOM_SIZE = "fd"
249 IE_MAGIC_RE = re.compile(r"^[-_.a-zA-Z0-9]{5,100}$")
252 # Direct file I/O, equivalent to a shell's I/O redirection using '<' or '>'
254 # Raw block device I/O using "dd"
255 IEIO_RAW_DISK = "raw"
256 # OS definition import/export script
257 IEIO_SCRIPT = "script"
259 VALUE_DEFAULT = "default"
261 VALUE_GENERATE = "generate"
264 VALUE_FALSE = "false"
266 # External script validation mask
267 EXT_PLUGIN_MASK = re.compile("^[a-zA-Z0-9_-]+$")
269 # hooks-related constants
270 HOOKS_BASE_DIR = CONF_DIR + "/hooks"
271 HOOKS_PHASE_PRE = "pre"
272 HOOKS_PHASE_POST = "post"
273 HOOKS_NAME_CFGUPDATE = "config-update"
274 HOOKS_NAME_WATCHER = "watcher"
277 # hooks subject type (what object type does the LU deal with)
278 HTYPE_CLUSTER = "CLUSTER"
280 HTYPE_INSTANCE = "INSTANCE"
292 # first two are valid in LU context only, not passed to backend
295 # and the rest are valid in backend
300 SF_ALLOCATABLE = "allocatable"
303 SO_FIX_CONSISTENCY = "fix-consistency"
305 # Available fields per storage type
306 VALID_STORAGE_FIELDS = frozenset([SF_NAME, SF_TYPE, SF_SIZE,
307 SF_USED, SF_FREE, SF_ALLOCATABLE])
309 VALID_STORAGE_TYPES = frozenset([ST_FILE, ST_LVM_PV, ST_LVM_VG])
311 MODIFIABLE_STORAGE_FIELDS = {
312 ST_LVM_PV: frozenset([SF_ALLOCATABLE]),
315 VALID_STORAGE_OPERATIONS = {
316 ST_LVM_VG: frozenset([SO_FIX_CONSISTENCY]),
320 # Note: Code depends on LDS_OKAY < LDS_UNKNOWN < LDS_FAULTY
323 LDS_FAULTY) = range(1, 4)
325 # disk template types
326 DT_DISKLESS = "diskless"
331 # the set of network-mirrored disk templates
332 DTS_NET_MIRROR = frozenset([DT_DRBD8])
334 # the set of non-lvm-based disk templates
335 DTS_NOT_LVM = frozenset([DT_DISKLESS, DT_FILE])
337 # the set of disk templates which can be grown
338 DTS_GROWABLE = frozenset([DT_PLAIN, DT_DRBD8, DT_FILE])
340 # the set of disk templates that allow adoption
341 DTS_MAY_ADOPT = frozenset([DT_PLAIN])
347 LDS_BLOCK = frozenset([LD_LV, LD_DRBD8])
350 DRBD_HMAC_ALG = "md5"
351 DRBD_NET_PROTOCOL = "C"
352 DRBD_BARRIERS = _autoconf.DRBD_BARRIERS
354 # file backend driver
358 # the set of drbd-like disk types
359 LDS_DRBD = frozenset([LD_DRBD8])
364 DISK_ACCESS_SET = frozenset([DISK_RDONLY, DISK_RDWR])
366 # disk replacement mode
367 REPLACE_DISK_PRI = "replace_on_primary" # replace disks on primary
368 REPLACE_DISK_SEC = "replace_on_secondary" # replace disks on secondary
369 REPLACE_DISK_CHG = "replace_new_secondary" # change secondary node
370 REPLACE_DISK_AUTO = "replace_auto"
371 REPLACE_MODES = frozenset([
378 # Instance export mode
379 EXPORT_MODE_LOCAL = "local"
380 EXPORT_MODE_REMOTE = "remote"
381 EXPORT_MODES = frozenset([
386 # lock recalculate mode
387 LOCKS_REPLACE = 'replace'
388 LOCKS_APPEND = 'append'
390 # instance creation modes
391 INSTANCE_CREATE = "create"
392 INSTANCE_IMPORT = "import"
393 INSTANCE_REMOTE_IMPORT = "remote-import"
394 INSTANCE_CREATE_MODES = frozenset([
397 INSTANCE_REMOTE_IMPORT,
400 # Remote import/export handshake message and version
402 RIE_HANDSHAKE = "Hi, I'm Ganeti"
404 # Remote import/export certificate validity in seconds
405 RIE_CERT_VALIDITY = 24 * 60 * 60
407 # Remote import/export connect timeout for socat
408 RIE_CONNECT_TIMEOUT = 60
410 DISK_TEMPLATES = frozenset([DT_DISKLESS, DT_PLAIN,
413 FILE_DRIVER = frozenset([FD_LOOP, FD_BLKTAP])
415 # import/export config options
416 INISECT_EXP = "export"
417 INISECT_INS = "instance"
418 INISECT_HYP = "hypervisor"
419 INISECT_BEP = "backend"
422 # dynamic device modification
424 DDM_REMOVE = 'remove'
431 EXIT_NODESETUP_ERROR = 12
432 EXIT_CONFIRMATION = 13 # need user confirmation
435 TAG_CLUSTER = "cluster"
437 TAG_INSTANCE = "instance"
438 VALID_TAG_TYPES = frozenset([
444 MAX_TAGS_PER_OBJ = 4096
447 DEFAULT_BRIDGE = "xen-br0"
448 SYNC_SPEED = 60 * 1024
449 IP4_ADDRESS_LOCALHOST = "127.0.0.1"
450 IP4_ADDRESS_ANY = "0.0.0.0"
451 IP6_ADDRESS_LOCALHOST = "::1"
452 IP6_ADDRESS_ANY = "::"
453 TCP_PING_TIMEOUT = 10
454 GANETI_RUNAS = "root"
456 DEFAULT_DRBD_HELPER = "/bin/true"
458 DEFAULT_MAC_PREFIX = "aa:00:00"
459 LVM_STRIPECOUNT = _autoconf.LVM_STRIPECOUNT
460 # default maximum instance wait time, in seconds.
461 DEFAULT_SHUTDOWN_TIMEOUT = 120
462 NODE_MAX_CLOCK_SKEW = 150
463 # Time for an intra-cluster disk transfer to wait for a connection
464 DISK_TRANSFER_CONNECT_TIMEOUT = 30
469 RUNPARTS_ERR) = range(3)
471 RUNPARTS_STATUS = frozenset([RUNPARTS_SKIP, RUNPARTS_RUN, RUNPARTS_ERR])
475 RPC_ENCODING_ZLIB_BASE64) = range(2)
477 # os related constants
478 OS_SCRIPT_CREATE = 'create'
479 OS_SCRIPT_IMPORT = 'import'
480 OS_SCRIPT_EXPORT = 'export'
481 OS_SCRIPT_RENAME = 'rename'
482 OS_SCRIPT_VERIFY = 'verify'
483 OS_SCRIPTS = frozenset([OS_SCRIPT_CREATE, OS_SCRIPT_IMPORT,
484 OS_SCRIPT_EXPORT, OS_SCRIPT_RENAME,
487 OS_API_FILE = 'ganeti_api_version'
488 OS_VARIANTS_FILE = 'variants.list'
489 OS_PARAMETERS_FILE = 'parameters.list'
491 OS_VALIDATE_PARAMETERS = 'parameters'
492 OS_VALIDATE_CALLS = frozenset([OS_VALIDATE_PARAMETERS])
495 SSH_CONFIG_DIR = _autoconf.SSH_CONFIG_DIR
496 SSH_HOST_DSA_PRIV = SSH_CONFIG_DIR + "/ssh_host_dsa_key"
497 SSH_HOST_DSA_PUB = SSH_HOST_DSA_PRIV + ".pub"
498 SSH_HOST_RSA_PRIV = SSH_CONFIG_DIR + "/ssh_host_rsa_key"
499 SSH_HOST_RSA_PUB = SSH_HOST_RSA_PRIV + ".pub"
504 INSTANCE_REBOOT_SOFT = "soft"
505 INSTANCE_REBOOT_HARD = "hard"
506 INSTANCE_REBOOT_FULL = "full"
508 REBOOT_TYPES = frozenset([INSTANCE_REBOOT_SOFT,
509 INSTANCE_REBOOT_HARD,
510 INSTANCE_REBOOT_FULL])
512 VTYPE_STRING = 'string'
514 VTYPE_SIZE = 'size' # size, in MiBs
516 ENFORCEABLE_TYPES = frozenset([
523 # HV parameter names (global namespace)
524 HV_BOOT_ORDER = "boot_order"
525 HV_CDROM_IMAGE_PATH = "cdrom_image_path"
526 HV_NIC_TYPE = "nic_type"
527 HV_DISK_TYPE = "disk_type"
528 HV_VNC_BIND_ADDRESS = "vnc_bind_address"
529 HV_VNC_PASSWORD_FILE = "vnc_password_file"
530 HV_VNC_TLS = "vnc_tls"
531 HV_VNC_X509 = "vnc_x509_path"
532 HV_VNC_X509_VERIFY = "vnc_x509_verify"
535 HV_USE_BOOTLOADER = "use_bootloader"
536 HV_BOOTLOADER_ARGS = "bootloader_args"
537 HV_BOOTLOADER_PATH = "bootloader_path"
538 HV_KERNEL_ARGS = "kernel_args"
539 HV_KERNEL_PATH = "kernel_path"
540 HV_INITRD_PATH = "initrd_path"
541 HV_ROOT_PATH = "root_path"
542 HV_SERIAL_CONSOLE = "serial_console"
543 HV_USB_MOUSE = "usb_mouse"
544 HV_DEVICE_MODEL = "device_model"
545 HV_INIT_SCRIPT = "init_script"
546 HV_MIGRATION_PORT = "migration_port"
547 HV_MIGRATION_BANDWIDTH = "migration_bandwidth"
548 HV_MIGRATION_DOWNTIME = "migration_downtime"
549 HV_MIGRATION_MODE = "migration_mode"
550 HV_USE_LOCALTIME = "use_localtime"
551 HV_DISK_CACHE = "disk_cache"
552 HV_SECURITY_MODEL = "security_model"
553 HV_SECURITY_DOMAIN = "security_domain"
554 HV_KVM_FLAG = "kvm_flag"
555 HV_VHOST_NET = "vhost_net"
556 HV_KVM_USE_CHROOT = "use_chroot"
557 HV_CPU_MASK = "cpu_mask"
559 HVS_PARAMETER_TYPES = {
560 HV_BOOT_ORDER: VTYPE_STRING,
561 HV_CDROM_IMAGE_PATH: VTYPE_STRING,
562 HV_NIC_TYPE: VTYPE_STRING,
563 HV_DISK_TYPE: VTYPE_STRING,
564 HV_VNC_PASSWORD_FILE: VTYPE_STRING,
565 HV_VNC_BIND_ADDRESS: VTYPE_STRING,
566 HV_VNC_TLS: VTYPE_BOOL,
567 HV_VNC_X509: VTYPE_STRING,
568 HV_VNC_X509_VERIFY: VTYPE_BOOL,
571 HV_USE_BOOTLOADER: VTYPE_BOOL,
572 HV_BOOTLOADER_PATH: VTYPE_STRING,
573 HV_BOOTLOADER_ARGS: VTYPE_STRING,
574 HV_KERNEL_PATH: VTYPE_STRING,
575 HV_KERNEL_ARGS: VTYPE_STRING,
576 HV_INITRD_PATH: VTYPE_STRING,
577 HV_ROOT_PATH: VTYPE_STRING,
578 HV_SERIAL_CONSOLE: VTYPE_BOOL,
579 HV_USB_MOUSE: VTYPE_STRING,
580 HV_DEVICE_MODEL: VTYPE_STRING,
581 HV_INIT_SCRIPT: VTYPE_STRING,
582 HV_MIGRATION_PORT: VTYPE_INT,
583 HV_MIGRATION_BANDWIDTH: VTYPE_INT,
584 HV_MIGRATION_DOWNTIME: VTYPE_INT,
585 HV_MIGRATION_MODE: VTYPE_STRING,
586 HV_USE_LOCALTIME: VTYPE_BOOL,
587 HV_DISK_CACHE: VTYPE_STRING,
588 HV_SECURITY_MODEL: VTYPE_STRING,
589 HV_SECURITY_DOMAIN: VTYPE_STRING,
590 HV_KVM_FLAG: VTYPE_STRING,
591 HV_VHOST_NET: VTYPE_BOOL,
592 HV_KVM_USE_CHROOT: VTYPE_BOOL,
593 HV_CPU_MASK: VTYPE_STRING,
596 HVS_PARAMETERS = frozenset(HVS_PARAMETER_TYPES.keys())
601 BE_AUTO_BALANCE = "auto_balance"
603 BES_PARAMETER_TYPES = {
604 BE_MEMORY: VTYPE_SIZE,
606 BE_AUTO_BALANCE: VTYPE_BOOL,
609 BES_PARAMETERS = frozenset(BES_PARAMETER_TYPES.keys())
611 # Instance Parameters Profile
612 PP_DEFAULT = "default"
617 NIC_MODE_BRIDGED = "bridged"
618 NIC_MODE_ROUTED = "routed"
620 NIC_VALID_MODES = frozenset([NIC_MODE_BRIDGED, NIC_MODE_ROUTED])
622 NICS_PARAMETER_TYPES = {
623 NIC_MODE: VTYPE_STRING,
624 NIC_LINK: VTYPE_STRING,
627 NICS_PARAMETERS = frozenset(NICS_PARAMETER_TYPES.keys())
631 IDISK_ADOPT = "adopt"
632 IDISK_PARAMS = frozenset([IDISK_SIZE, IDISK_MODE, IDISK_ADOPT])
633 IDISK_PARAMS_TYPES = {
634 IDISK_SIZE: VTYPE_SIZE,
635 IDISK_MODE: VTYPE_STRING,
636 IDISK_ADOPT: VTYPE_STRING,
642 INIC_BRIDGE = "bridge"
643 INIC_PARAMS = frozenset([INIC_MAC, INIC_IP, INIC_MODE, INIC_LINK, INIC_BRIDGE])
644 INIC_PARAMS_TYPES = dict([(name, VTYPE_STRING) for name in INIC_PARAMS])
646 # Hypervisor constants
647 HT_XEN_PVM = "xen-pvm"
649 HT_XEN_HVM = "xen-hvm"
653 HYPER_TYPES = frozenset([
661 HTS_REQ_PORT = frozenset([HT_XEN_HVM, HT_KVM])
664 VNC_PASSWORD_FILE = CONF_DIR + "/vnc-cluster-password"
665 VNC_DEFAULT_BIND_ADDRESS = IP4_ADDRESS_ANY
668 HT_NIC_RTL8139 = "rtl8139"
669 HT_NIC_NE2K_PCI = "ne2k_pci"
670 HT_NIC_NE2K_ISA = "ne2k_isa"
671 HT_NIC_I82551 = "i82551"
672 HT_NIC_I85557B = "i82557b"
673 HT_NIC_I8259ER = "i82559er"
674 HT_NIC_PCNET = "pcnet"
675 HT_NIC_E1000 = "e1000"
676 HT_NIC_PARAVIRTUAL = HT_DISK_PARAVIRTUAL = "paravirtual"
678 HT_HVM_VALID_NIC_TYPES = frozenset([HT_NIC_RTL8139, HT_NIC_NE2K_PCI,
679 HT_NIC_NE2K_ISA, HT_NIC_PARAVIRTUAL])
680 HT_KVM_VALID_NIC_TYPES = frozenset([HT_NIC_RTL8139, HT_NIC_NE2K_PCI,
681 HT_NIC_NE2K_ISA, HT_NIC_I82551,
682 HT_NIC_I85557B, HT_NIC_I8259ER,
683 HT_NIC_PCNET, HT_NIC_E1000,
686 HT_DISK_IOEMU = "ioemu"
688 HT_DISK_SCSI = "scsi"
691 HT_DISK_PFLASH = "pflash"
693 HT_CACHE_DEFAULT = "default"
694 HT_CACHE_NONE = "none"
695 HT_CACHE_WTHROUGH = "writethrough"
696 HT_CACHE_WBACK = "writeback"
697 HT_VALID_CACHE_TYPES = frozenset([HT_CACHE_DEFAULT,
702 HT_HVM_VALID_DISK_TYPES = frozenset([HT_DISK_PARAVIRTUAL, HT_DISK_IOEMU])
703 HT_KVM_VALID_DISK_TYPES = frozenset([HT_DISK_PARAVIRTUAL, HT_DISK_IDE,
704 HT_DISK_SCSI, HT_DISK_SD, HT_DISK_MTD,
708 HT_MOUSE_MOUSE = "mouse"
709 HT_MOUSE_TABLET = "tablet"
711 HT_KVM_VALID_MOUSE_TYPES = frozenset([HT_MOUSE_MOUSE, HT_MOUSE_TABLET])
714 HT_BO_CDROM = "cdrom"
716 HT_BO_NETWORK = "network"
718 HT_KVM_VALID_BO_TYPES = frozenset([HT_BO_CDROM, HT_BO_DISK, HT_BO_NETWORK])
725 HT_KVM_VALID_SM_TYPES = frozenset([HT_SM_NONE, HT_SM_USER, HT_SM_POOL])
728 HT_KVM_ENABLED = "enabled"
729 HT_KVM_DISABLED = "disabled"
731 HT_KVM_FLAG_VALUES = frozenset([HT_KVM_ENABLED, HT_KVM_DISABLED])
734 HT_MIGRATION_LIVE = "live"
735 HT_MIGRATION_NONLIVE = "non-live"
736 HT_MIGRATION_MODES = frozenset([HT_MIGRATION_LIVE, HT_MIGRATION_NONLIVE])
738 # Cluster Verify steps
739 VERIFY_NPLUSONE_MEM = 'nplusone_mem'
740 VERIFY_OPTIONAL_CHECKS = frozenset([VERIFY_NPLUSONE_MEM])
742 # Node verify constants
743 NV_DRBDHELPER = "drbd-helper"
744 NV_DRBDLIST = "drbd-list"
745 NV_FILELIST = "filelist"
747 NV_HYPERVISOR = "hypervisor"
748 NV_INSTANCELIST = "instancelist"
750 NV_MASTERIP = "master-ip"
751 NV_NODELIST = "nodelist"
752 NV_NODENETTEST = "node-net-test"
753 NV_NODESETUP = "nodesetup"
757 NV_VERSION = "version"
760 # SSL certificate check constants (in days)
761 SSL_CERT_EXPIRATION_WARN = 30
762 SSL_CERT_EXPIRATION_ERROR = 7
764 # Allocator framework constants
765 IALLOCATOR_VERSION = 2
766 IALLOCATOR_DIR_IN = "in"
767 IALLOCATOR_DIR_OUT = "out"
768 VALID_IALLOCATOR_DIRECTIONS = frozenset([
772 IALLOCATOR_MODE_ALLOC = "allocate"
773 IALLOCATOR_MODE_RELOC = "relocate"
774 IALLOCATOR_MODE_MEVAC = "multi-evacuate"
775 VALID_IALLOCATOR_MODES = frozenset([
776 IALLOCATOR_MODE_ALLOC,
777 IALLOCATOR_MODE_RELOC,
778 IALLOCATOR_MODE_MEVAC,
780 IALLOCATOR_SEARCH_PATH = _autoconf.IALLOCATOR_SEARCH_PATH
783 JOB_QUEUE_VERSION = 1
784 JOB_QUEUE_LOCK_FILE = QUEUE_DIR + "/lock"
785 JOB_QUEUE_VERSION_FILE = QUEUE_DIR + "/version"
786 JOB_QUEUE_SERIAL_FILE = QUEUE_DIR + "/serial"
787 JOB_QUEUE_ARCHIVE_DIR = QUEUE_DIR + "/archive"
788 JOB_QUEUE_DRAIN_FILE = QUEUE_DIR + "/drain"
789 JOB_QUEUE_SIZE_HARD_LIMIT = 5000
790 JOB_QUEUE_DIRS = [QUEUE_DIR, JOB_QUEUE_ARCHIVE_DIR]
791 JOB_QUEUE_DIRS_MODE = SECURE_DIR_MODE
793 JOB_ID_TEMPLATE = r"\d+"
795 # unchanged job return
796 JOB_NOTCHANGED = "nochange"
799 JOB_STATUS_QUEUED = "queued"
800 JOB_STATUS_WAITLOCK = "waiting"
801 JOB_STATUS_CANCELING = "canceling"
802 JOB_STATUS_RUNNING = "running"
803 JOB_STATUS_CANCELED = "canceled"
804 JOB_STATUS_SUCCESS = "success"
805 JOB_STATUS_ERROR = "error"
806 JOBS_FINALIZED = frozenset([
814 OP_STATUS_QUEUED = "queued"
815 OP_STATUS_WAITLOCK = "waiting"
816 OP_STATUS_CANCELING = "canceling"
817 OP_STATUS_RUNNING = "running"
819 OP_STATUS_CANCELED = "canceled"
820 OP_STATUS_SUCCESS = "success"
821 OP_STATUS_ERROR = "error"
822 OPS_FINALIZED = frozenset([OP_STATUS_CANCELED,
826 # Execution log types
827 ELOG_MESSAGE = "message"
828 ELOG_PROGRESS = "progress"
829 ELOG_REMOTE_IMPORT = "remote-import"
830 ELOG_JQUEUE_TEST = "jqueue-test"
833 JQT_MSGPREFIX = "TESTMSG="
834 JQT_EXPANDNAMES = "expandnames"
836 JQT_LOGMSG = "logmsg"
837 JQT_ALL = frozenset([
843 # max dynamic devices
848 SS_CLUSTER_NAME = "cluster_name"
849 SS_CLUSTER_TAGS = "cluster_tags"
850 SS_FILE_STORAGE_DIR = "file_storage_dir"
851 SS_MASTER_CANDIDATES = "master_candidates"
852 SS_MASTER_CANDIDATES_IPS = "master_candidates_ips"
853 SS_MASTER_IP = "master_ip"
854 SS_MASTER_NETDEV = "master_netdev"
855 SS_MASTER_NODE = "master_node"
856 SS_NODE_LIST = "node_list"
857 SS_NODE_PRIMARY_IPS = "node_primary_ips"
858 SS_NODE_SECONDARY_IPS = "node_secondary_ips"
859 SS_OFFLINE_NODES = "offline_nodes"
860 SS_ONLINE_NODES = "online_nodes"
861 SS_INSTANCE_LIST = "instance_list"
862 SS_RELEASE_VERSION = "release_version"
863 SS_HYPERVISOR_LIST = "hypervisor_list"
864 SS_MAINTAIN_NODE_HEALTH = "maintain_node_health"
865 SS_UID_POOL = "uid_pool"
867 # cluster wide default parameters
868 DEFAULT_ENABLED_HYPERVISOR = HT_XEN_PVM
872 HV_USE_BOOTLOADER: False,
873 HV_BOOTLOADER_PATH: XEN_BOOTLOADER,
874 HV_BOOTLOADER_ARGS: '',
875 HV_KERNEL_PATH: "/boot/vmlinuz-2.6-xenU",
877 HV_ROOT_PATH: '/dev/sda1',
878 HV_KERNEL_ARGS: 'ro',
879 HV_MIGRATION_PORT: 8002,
880 HV_MIGRATION_MODE: HT_MIGRATION_LIVE,
884 HV_CDROM_IMAGE_PATH: '',
885 HV_NIC_TYPE: HT_NIC_RTL8139,
886 HV_DISK_TYPE: HT_DISK_PARAVIRTUAL,
887 HV_VNC_BIND_ADDRESS: IP4_ADDRESS_ANY,
888 HV_VNC_PASSWORD_FILE: VNC_PASSWORD_FILE,
891 HV_KERNEL_PATH: "/usr/lib/xen/boot/hvmloader",
892 HV_DEVICE_MODEL: "/usr/lib/xen/bin/qemu-dm",
893 HV_MIGRATION_PORT: 8002,
894 HV_MIGRATION_MODE: HT_MIGRATION_NONLIVE,
895 HV_USE_LOCALTIME: False,
898 HV_KERNEL_PATH: "/boot/vmlinuz-2.6-kvmU",
900 HV_KERNEL_ARGS: 'ro',
901 HV_ROOT_PATH: '/dev/vda1',
903 HV_SERIAL_CONSOLE: True,
904 HV_VNC_BIND_ADDRESS: '',
907 HV_VNC_X509_VERIFY: False,
908 HV_VNC_PASSWORD_FILE: '',
909 HV_CDROM_IMAGE_PATH: '',
910 HV_BOOT_ORDER: HT_BO_DISK,
911 HV_NIC_TYPE: HT_NIC_PARAVIRTUAL,
912 HV_DISK_TYPE: HT_DISK_PARAVIRTUAL,
914 HV_MIGRATION_PORT: 8102,
915 HV_MIGRATION_BANDWIDTH: 32, # MiB/s
916 HV_MIGRATION_DOWNTIME: 30, # ms
917 HV_MIGRATION_MODE: HT_MIGRATION_LIVE,
918 HV_USE_LOCALTIME: False,
919 HV_DISK_CACHE: HT_CACHE_DEFAULT,
920 HV_SECURITY_MODEL: HT_SM_NONE,
921 HV_SECURITY_DOMAIN: '',
924 HV_KVM_USE_CHROOT: False,
929 HV_INIT_SCRIPT: "/ganeti-chroot",
936 HVC_GLOBALS = frozenset([
938 HV_MIGRATION_BANDWIDTH,
945 BE_AUTO_BALANCE: True,
949 NIC_MODE: NIC_MODE_BRIDGED,
950 NIC_LINK: DEFAULT_BRIDGE,
953 MASTER_POOL_SIZE_DEFAULT = 10
955 CONFD_PROTOCOL_VERSION = 1
958 CONFD_REQ_NODE_ROLE_BYNAME = 1
959 CONFD_REQ_NODE_PIP_BY_INSTANCE_IP = 2
960 CONFD_REQ_CLUSTER_MASTER = 3
961 CONFD_REQ_NODE_PIP_LIST = 4
962 CONFD_REQ_MC_PIP_LIST = 5
963 CONFD_REQ_INSTANCES_IPS_LIST = 6
965 # Confd request query fields. These are used to narrow down queries.
966 # These must be strings rather than integers, because json-encoding
967 # converts them to strings anyway, as they're used as dict-keys.
968 CONFD_REQQ_LINK = "0"
970 CONFD_REQQ_IPLIST = "2"
971 CONFD_REQQ_FIELDS = "3"
973 CONFD_REQFIELD_NAME = "0"
974 CONFD_REQFIELD_IP = "1"
975 CONFD_REQFIELD_MNODE_PIP = "2"
977 CONFD_REQS = frozenset([
979 CONFD_REQ_NODE_ROLE_BYNAME,
980 CONFD_REQ_NODE_PIP_BY_INSTANCE_IP,
981 CONFD_REQ_CLUSTER_MASTER,
982 CONFD_REQ_NODE_PIP_LIST,
983 CONFD_REQ_MC_PIP_LIST,
984 CONFD_REQ_INSTANCES_IPS_LIST,
987 CONFD_REPL_STATUS_OK = 0
988 CONFD_REPL_STATUS_ERROR = 1
989 CONFD_REPL_STATUS_NOTIMPLEMENTED = 2
991 CONFD_REPL_STATUSES = frozenset([
992 CONFD_REPL_STATUS_OK,
993 CONFD_REPL_STATUS_ERROR,
994 CONFD_REPL_STATUS_NOTIMPLEMENTED,
997 (CONFD_NODE_ROLE_MASTER,
998 CONFD_NODE_ROLE_CANDIDATE,
999 CONFD_NODE_ROLE_OFFLINE,
1000 CONFD_NODE_ROLE_DRAINED,
1001 CONFD_NODE_ROLE_REGULAR,
1004 # A few common errors for confd
1005 CONFD_ERROR_UNKNOWN_ENTRY = 1
1006 CONFD_ERROR_INTERNAL = 2
1007 CONFD_ERROR_ARGUMENT = 3
1009 # Each request is "salted" by the current timestamp.
1010 # This constants decides how many seconds of skew to accept.
1011 # TODO: make this a default and allow the value to be more configurable
1012 CONFD_MAX_CLOCK_SKEW = 2 * NODE_MAX_CLOCK_SKEW
1014 # When we haven't reloaded the config for more than this amount of seconds, we
1015 # force a test to see if inotify is betraying us.
1016 CONFD_CONFIG_RELOAD_TIMEOUT = 60
1018 # If we receive more than one update in this amount of seconds, we move to
1019 # polling every RATELIMIT seconds, rather than relying on inotify, to be able
1020 # to serve more requests.
1021 CONFD_CONFIG_RELOAD_RATELIMIT = 2
1023 # Magic number prepended to all confd queries.
1024 # This allows us to distinguish different types of confd protocols and handle
1025 # them. For example by changing this we can move the whole payload to be
1026 # compressed, or move away from json.
1027 CONFD_MAGIC_FOURCC = 'plj0'
1029 # By default a confd request is sent to the minimum between this number and all
1030 # MCs. 6 was chosen because even in the case of a disastrous 50% response rate,
1031 # we should have enough answers to be able to compare more than one.
1032 CONFD_DEFAULT_REQ_COVERAGE = 6
1034 # Timeout in seconds to expire pending query request in the confd client
1035 # library. We don't actually expect any answer more than 10 seconds after we
1037 CONFD_CLIENT_EXPIRE_TIMEOUT = 10
1039 # Maximum UDP datagram size.
1040 # On IPv4: 64K - 20 (ip header size) - 8 (udp header size) = 65507
1041 # On IPv6: 64K - 40 (ip6 header size) - 8 (udp header size) = 65487
1042 # (assuming we can't use jumbo frames)
1043 # We just set this to 60K, which should be enough
1044 MAX_UDP_DATA_SIZE = 61440
1046 # User-id pool minimum/maximum acceptable user-ids.
1048 UIDPOOL_UID_MAX = 2**32-1 # Assuming 32 bit user-ids
1050 # Name or path of the pgrep command