code.grnet.gr Git - ganeti-local/blob - lib/constants.py

   1 #
   2 #
   3
   4 # Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 Google Inc.
   5 #
   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.
  10 #
  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.
  15 #
  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
  19 # 02110-1301, USA.
  20
  21
  22 """Module holding different constants."""
  23
  24 import re
  25 import socket
  26
  27 from ganeti import _constants
  28 from ganeti import _vcsversion
  29 from ganeti import compat
  30 from ganeti import pathutils
  31
  32
  33 # various versions
  34 RELEASE_VERSION = _constants.RELEASE_VERSION
  35 OS_API_V10 = _constants.OS_API_V10
  36 OS_API_V15 = _constants.OS_API_V15
  37 OS_API_V20 = _constants.OS_API_V20
  38 OS_API_VERSIONS = _constants.OS_API_VERSIONS
  39 VCS_VERSION = _vcsversion.VCS_VERSION
  40 EXPORT_VERSION = _constants.EXPORT_VERSION
  41 RAPI_VERSION = _constants.RAPI_VERSION
  42
  43 VERSION_MAJOR = _constants.VERSION_MAJOR
  44 VERSION_MINOR = _constants.VERSION_MINOR
  45 VERSION_REVISION = _constants.VERSION_REVISION
  46
  47 DIR_VERSION = _constants.DIR_VERSION
  48
  49 CONFIG_MAJOR = _constants.CONFIG_MAJOR
  50 CONFIG_MINOR = _constants.CONFIG_MINOR
  51 CONFIG_REVISION = _constants.CONFIG_REVISION
  52 CONFIG_VERSION = _constants.CONFIG_VERSION
  53
  54 #: RPC protocol version
  55 PROTOCOL_VERSION = _constants.PROTOCOL_VERSION
  56
  57 # user separation
  58 DAEMONS_GROUP = _constants.DAEMONS_GROUP
  59 ADMIN_GROUP = _constants.ADMIN_GROUP
  60 MASTERD_USER = _constants.MASTERD_USER
  61 MASTERD_GROUP = _constants.MASTERD_GROUP
  62 RAPI_USER = _constants.RAPI_USER
  63 RAPI_GROUP = _constants.RAPI_GROUP
  64 CONFD_USER = _constants.CONFD_USER
  65 CONFD_GROUP = _constants.CONFD_GROUP
  66 LUXID_USER = _constants.LUXID_USER
  67 LUXID_GROUP = _constants.LUXID_GROUP
  68 NODED_USER = _constants.NODED_USER
  69 NODED_GROUP = _constants.NODED_GROUP
  70 MOND_USER = _constants.MOND_USER
  71 MOND_GROUP = _constants.MOND_GROUP
  72 SSH_LOGIN_USER = _constants.SSH_LOGIN_USER
  73 SSH_CONSOLE_USER = _constants.SSH_CONSOLE_USER
  74
  75 CPU_PINNING_SEP = _constants.CPU_PINNING_SEP
  76 CPU_PINNING_ALL = _constants.CPU_PINNING_ALL
  77 CPU_PINNING_ALL_VAL = _constants.CPU_PINNING_ALL_VAL
  78 CPU_PINNING_OFF = _constants.CPU_PINNING_OFF
  79
  80 CPU_PINNING_ALL_XEN = _constants.CPU_PINNING_ALL_XEN
  81
  82 CPU_PINNING_ALL_KVM = _constants.CPU_PINNING_ALL_KVM
  83
  84 DD_CMD = _constants.DD_CMD
  85 MAX_WIPE_CHUNK = _constants.MAX_WIPE_CHUNK
  86 MIN_WIPE_CHUNK_PERCENT = _constants.MIN_WIPE_CHUNK_PERCENT
  87
  88 RUN_DIRS_MODE = _constants.RUN_DIRS_MODE
  89 SECURE_DIR_MODE = _constants.SECURE_DIR_MODE
  90 SECURE_FILE_MODE = _constants.SECURE_FILE_MODE
  91 ADOPTABLE_BLOCKDEV_ROOT = _constants.ADOPTABLE_BLOCKDEV_ROOT
  92 ENABLE_CONFD = _constants.ENABLE_CONFD
  93 ENABLE_MOND = _constants.ENABLE_MOND
  94 ENABLE_SPLIT_QUERY = _constants.ENABLE_SPLIT_QUERY
  95 ENABLE_RESTRICTED_COMMANDS = _constants.ENABLE_RESTRICTED_COMMANDS
  96
  97 # SSH constants
  98 SSH = _constants.SSH
  99 SCP = _constants.SCP
 100
 101 NODED = _constants.NODED
 102 CONFD = _constants.CONFD
 103 LUXID = _constants.LUXID
 104 RAPI = _constants.RAPI
 105 MASTERD = _constants.MASTERD
 106 MOND = _constants.MOND
 107
 108 DAEMONS = _constants.DAEMONS
 109
 110 DAEMONS_PORTS = _constants.DAEMONS_PORTS
 111
 112 DEFAULT_NODED_PORT = _constants.DEFAULT_NODED_PORT
 113 DEFAULT_CONFD_PORT = _constants.DEFAULT_CONFD_PORT
 114 DEFAULT_MOND_PORT = _constants.DEFAULT_MOND_PORT
 115 DEFAULT_RAPI_PORT = _constants.DEFAULT_RAPI_PORT
 116
 117 FIRST_DRBD_PORT = _constants.FIRST_DRBD_PORT
 118 LAST_DRBD_PORT = _constants.LAST_DRBD_PORT
 119
 120 DAEMONS_LOGBASE = _constants.DAEMONS_LOGBASE
 121
 122 DAEMONS_LOGFILES = \
 123     dict((daemon, pathutils.GetLogFilename(DAEMONS_LOGBASE[daemon]))
 124          for daemon in DAEMONS_LOGBASE)
 125
 126 # Some daemons might require more than one logfile.
 127 # Specifically, right now only the Haskell http library "snap", used by the
 128 # monitoring daemon, requires multiple log files.
 129
 130 # These are the only valid reasons for having an extra logfile
 131 EXTRA_LOGREASON_ACCESS = "access"
 132 EXTRA_LOGREASON_ERROR = "error"
 133
 134 VALID_EXTRA_LOGREASONS = compat.UniqueFrozenset([
 135   EXTRA_LOGREASON_ACCESS,
 136   EXTRA_LOGREASON_ERROR,
 137   ])
 138
 139 # These are the extra logfiles, grouped by daemon
 140 DAEMONS_EXTRA_LOGBASE = {
 141   MOND: {
 142     EXTRA_LOGREASON_ACCESS: _constants.EXTRA_LOGREASON_ACCESS,
 143     EXTRA_LOGREASON_ERROR: _constants.EXTRA_LOGREASON_ERROR,
 144     }
 145   }
 146
 147 DAEMONS_EXTRA_LOGFILES = \
 148   dict((daemon, dict((extra,
 149        pathutils.GetLogFilename(DAEMONS_EXTRA_LOGBASE[daemon][extra]))
 150        for extra in DAEMONS_EXTRA_LOGBASE[daemon]))
 151          for daemon in DAEMONS_EXTRA_LOGBASE)
 152
 153 DEV_CONSOLE = _constants.DEV_CONSOLE
 154
 155 PROC_MOUNTS = _constants.PROC_MOUNTS
 156
 157 LUXI_EOM = _constants.LUXI_EOM
 158 LUXI_VERSION = _constants.LUXI_VERSION
 159 LUXI_OVERRIDE = _constants.LUXI_OVERRIDE
 160 LUXI_OVERRIDE_MASTER = _constants.LUXI_OVERRIDE_MASTER
 161 LUXI_OVERRIDE_QUERY = _constants.LUXI_OVERRIDE_QUERY
 162 # one of "no", "yes", "only"
 163 SYSLOG_USAGE = _constants.SYSLOG_USAGE
 164 SYSLOG_NO = _constants.SYSLOG_NO
 165 SYSLOG_YES = _constants.SYSLOG_YES
 166 SYSLOG_ONLY = _constants.SYSLOG_ONLY
 167 SYSLOG_SOCKET = _constants.SYSLOG_SOCKET
 168
 169 EXPORT_CONF_FILE = _constants.EXPORT_CONF_FILE
 170
 171 XEN_BOOTLOADER = _constants.XEN_BOOTLOADER
 172 XEN_KERNEL = _constants.XEN_KERNEL
 173 XEN_INITRD = _constants.XEN_INITRD
 174 XEN_CMD_XM = _constants.XEN_CMD_XM
 175 XEN_CMD_XL = _constants.XEN_CMD_XL
 176 KNOWN_XEN_COMMANDS = _constants.KNOWN_XEN_COMMANDS
 177
 178 # When the Xen toolstack used is "xl", live migration requires the source host
 179 # to connect to the target host via ssh (xl runs this command). We need to pass
 180 # the command xl runs some extra info so that it can use Ganeti's key
 181 # verification and not fail. Note that this string is incomplete: it must be
 182 # filled with the cluster name before being used.
 183 XL_SSH_CMD = ("ssh -l %s -oGlobalKnownHostsFile=%s"
 184               " -oUserKnownHostsFile=/dev/null"
 185               " -oCheckHostIp=no -oStrictHostKeyChecking=yes"
 186               " -oHostKeyAlias=%%s") % (SSH_LOGIN_USER,
 187                                         pathutils.SSH_KNOWN_HOSTS_FILE)
 188
 189 KVM_PATH = _constants.KVM_PATH
 190 KVM_KERNEL = _constants.KVM_KERNEL
 191 SOCAT_PATH = _constants.SOCAT_PATH
 192 SOCAT_USE_ESCAPE = _constants.SOCAT_USE_ESCAPE
 193 SOCAT_USE_COMPRESS = _constants.SOCAT_USE_COMPRESS
 194 SOCAT_ESCAPE_CODE = _constants.SOCAT_ESCAPE_CODE
 195
 196
 197 CONS_SSH = _constants.CONS_SSH
 198 CONS_VNC = _constants.CONS_VNC
 199 CONS_SPICE = _constants.CONS_SPICE
 200 CONS_MESSAGE = _constants.CONS_MESSAGE
 201 CONS_ALL = _constants.CONS_ALL
 202
 203 RSA_KEY_BITS = _constants.RSA_KEY_BITS
 204 OPENSSL_CIPHERS = _constants.OPENSSL_CIPHERS
 205
 206 X509_CERT_SIGN_DIGEST = _constants.X509_CERT_SIGN_DIGEST
 207 X509_CERT_DEFAULT_VALIDITY = _constants.X509_CERT_DEFAULT_VALIDITY
 208 X509_CERT_CN = _constants.X509_CERT_CN
 209 X509_CERT_SIGNATURE_HEADER = _constants.X509_CERT_SIGNATURE_HEADER
 210
 211 # Import/export daemon mode
 212 IEM_IMPORT = _constants.IEM_IMPORT
 213 IEM_EXPORT = _constants.IEM_EXPORT
 214
 215 # Import/export transport compression
 216 IEC_NONE = _constants.IEC_NONE
 217 IEC_GZIP = _constants.IEC_GZIP
 218 IEC_ALL = _constants.IEC_ALL
 219
 220 IE_CUSTOM_SIZE = _constants.IE_CUSTOM_SIZE
 221
 222 IE_MAGIC_RE = re.compile(r"^[-_.a-zA-Z0-9]{5,100}$")
 223
 224 IEIO_FILE = _constants.IEIO_FILE
 225 IEIO_RAW_DISK = _constants.IEIO_RAW_DISK
 226 IEIO_SCRIPT = _constants.IEIO_SCRIPT
 227
 228 VALUE_DEFAULT = "default"
 229 VALUE_AUTO = "auto"
 230 VALUE_GENERATE = "generate"
 231 VALUE_NONE = "none"
 232 VALUE_TRUE = "true"
 233 VALUE_FALSE = "false"
 234 VALUE_HS_NOTHING = {"Nothing": None}
 235
 236
 237 # External script validation mask
 238 EXT_PLUGIN_MASK = re.compile("^[a-zA-Z0-9_-]+$")
 239
 240 HOOKS_PHASE_PRE = _constants.HOOKS_PHASE_PRE
 241 HOOKS_PHASE_POST = _constants.HOOKS_PHASE_POST
 242 HOOKS_NAME_CFGUPDATE = _constants.HOOKS_NAME_CFGUPDATE
 243 HOOKS_NAME_WATCHER = _constants.HOOKS_NAME_WATCHER
 244 HOOKS_VERSION = _constants.HOOKS_VERSION
 245 HOOKS_PATH = _constants.HOOKS_PATH
 246
 247 HTYPE_CLUSTER = _constants.HTYPE_CLUSTER
 248 HTYPE_NODE = _constants.HTYPE_NODE
 249 HTYPE_GROUP = _constants.HTYPE_GROUP
 250 HTYPE_INSTANCE = _constants.HTYPE_INSTANCE
 251 HTYPE_NETWORK = _constants.HTYPE_NETWORK
 252
 253 HKR_SKIP = _constants.HKR_SKIP
 254 HKR_FAIL = _constants.HKR_FAIL
 255 HKR_SUCCESS = _constants.HKR_SUCCESS
 256
 257 # Storage types
 258 ST_BLOCK = _constants.ST_BLOCK
 259 ST_DISKLESS = _constants.ST_DISKLESS
 260 ST_EXT = _constants.ST_EXT
 261 ST_FILE = _constants.ST_FILE
 262 ST_LVM_PV = _constants.ST_LVM_PV
 263 ST_LVM_VG = _constants.ST_LVM_VG
 264 ST_RADOS = _constants.ST_RADOS
 265 STORAGE_TYPES = _constants.STORAGE_TYPES
 266 STS_REPORT = _constants.STS_REPORT
 267
 268 # Storage fields
 269 # first two are valid in LU context only, not passed to backend
 270 SF_NODE = _constants.SF_NODE
 271 SF_TYPE = _constants.SF_TYPE
 272 # and the rest are valid in backend
 273 SF_NAME = _constants.SF_NAME
 274 SF_SIZE = _constants.SF_SIZE
 275 SF_FREE = _constants.SF_FREE
 276 SF_USED = _constants.SF_USED
 277 SF_ALLOCATABLE = _constants.SF_ALLOCATABLE
 278 VALID_STORAGE_FIELDS = _constants.VALID_STORAGE_FIELDS
 279 MODIFIABLE_STORAGE_FIELDS = _constants.MODIFIABLE_STORAGE_FIELDS
 280
 281 SO_FIX_CONSISTENCY = _constants.SO_FIX_CONSISTENCY
 282 VALID_STORAGE_OPERATIONS = _constants.VALID_STORAGE_OPERATIONS
 283
 284 VF_DEV = _constants.VF_DEV
 285 VF_INSTANCE = _constants.VF_INSTANCE
 286 VF_NAME = _constants.VF_NAME
 287 VF_NODE = _constants.VF_NODE
 288 VF_PHYS = _constants.VF_PHYS
 289 VF_SIZE = _constants.VF_SIZE
 290 VF_VG = _constants.VF_VG
 291
 292 LDS_OKAY = _constants.LDS_OKAY
 293 LDS_UNKNOWN = _constants.LDS_UNKNOWN
 294 LDS_FAULTY = _constants.LDS_FAULTY
 295 LDS_NAMES = _constants.LDS_NAMES
 296
 297 # disk template types
 298 DT_BLOCK = _constants.DT_BLOCK
 299 DT_DISKLESS = _constants.DT_DISKLESS
 300 DT_DRBD8 = _constants.DT_DRBD8
 301 DT_EXT = _constants.DT_EXT
 302 DT_FILE = _constants.DT_FILE
 303 DT_PLAIN = _constants.DT_PLAIN
 304 DT_RBD = _constants.DT_RBD
 305 DT_SHARED_FILE = _constants.DT_SHARED_FILE
 306 DISK_TEMPLATE_PREFERENCE = _constants.DISK_TEMPLATE_PREFERENCE
 307 DISK_TEMPLATES = _constants.DISK_TEMPLATES
 308 DEFAULT_ENABLED_DISK_TEMPLATES = _constants.DEFAULT_ENABLED_DISK_TEMPLATES
 309
 310 MAP_DISK_TEMPLATE_STORAGE_TYPE = _constants.MAP_DISK_TEMPLATE_STORAGE_TYPE
 311
 312 DTS_INT_MIRROR = _constants.DTS_INT_MIRROR
 313 DTS_EXT_MIRROR = _constants.DTS_EXT_MIRROR
 314 DTS_NOT_LVM = _constants.DTS_NOT_LVM
 315 DTS_GROWABLE = _constants.DTS_GROWABLE
 316 DTS_MAY_ADOPT = _constants.DTS_MAY_ADOPT
 317 DTS_MUST_ADOPT = _constants.DTS_MUST_ADOPT
 318 DTS_MIRRORED = _constants.DTS_MIRRORED
 319 DTS_FILEBASED = _constants.DTS_FILEBASED
 320 DTS_COPYABLE = _constants.DTS_COPYABLE
 321 DTS_EXCL_STORAGE = _constants.DTS_EXCL_STORAGE
 322 DTS_NO_FREE_SPACE_CHECK = _constants.DTS_NO_FREE_SPACE_CHECK
 323 DTS_BLOCK = _constants.DTS_BLOCK
 324
 325 DRBD_HMAC_ALG = _constants.DRBD_HMAC_ALG
 326 DRBD_DEFAULT_NET_PROTOCOL = _constants.DRBD_DEFAULT_NET_PROTOCOL
 327 DRBD_MIGRATION_NET_PROTOCOL = _constants.DRBD_MIGRATION_NET_PROTOCOL
 328 DRBD_STATUS_FILE = _constants.DRBD_STATUS_FILE
 329 DRBD_META_SIZE = _constants.DRBD_META_SIZE
 330
 331 DRBD_B_NONE = _constants.DRBD_B_NONE
 332 DRBD_B_DISK_BARRIERS = _constants.DRBD_B_DISK_BARRIERS
 333 DRBD_B_DISK_DRAIN = _constants.DRBD_B_DISK_DRAIN
 334 DRBD_B_DISK_FLUSH = _constants.DRBD_B_DISK_FLUSH
 335
 336 # Valid barrier combinations: "n" or any non-null subset of "bfd"
 337 DRBD_VALID_BARRIER_OPT = compat.UniqueFrozenset([
 338   frozenset([DRBD_B_NONE]),
 339   frozenset([DRBD_B_DISK_BARRIERS]),
 340   frozenset([DRBD_B_DISK_DRAIN]),
 341   frozenset([DRBD_B_DISK_FLUSH]),
 342   frozenset([DRBD_B_DISK_DRAIN, DRBD_B_DISK_FLUSH]),
 343   frozenset([DRBD_B_DISK_BARRIERS, DRBD_B_DISK_DRAIN]),
 344   frozenset([DRBD_B_DISK_BARRIERS, DRBD_B_DISK_FLUSH]),
 345   frozenset([DRBD_B_DISK_BARRIERS, DRBD_B_DISK_FLUSH, DRBD_B_DISK_DRAIN]),
 346   ])
 347
 348 RBD_CMD = _constants.RBD_CMD
 349
 350 FD_BLKTAP = _constants.FD_BLKTAP
 351 FD_LOOP = _constants.FD_LOOP
 352 FILE_DRIVER = _constants.FILE_DRIVER
 353
 354 LDS_DRBD = _constants.LDS_DRBD
 355
 356 # disk access mode
 357 DISK_RDONLY = _constants.DISK_RDONLY
 358 DISK_RDWR = _constants.DISK_RDWR
 359 DISK_ACCESS_SET = _constants.DISK_ACCESS_SET
 360 DISK_USERSPACE = _constants.DISK_USERSPACE
 361 DISK_KERNELSPACE = _constants.DISK_KERNELSPACE
 362 DISK_VALID_ACCESS_MODES = _constants.DISK_VALID_ACCESS_MODES
 363
 364 REPLACE_DISK_PRI = _constants.REPLACE_DISK_PRI
 365 REPLACE_DISK_SEC = _constants.REPLACE_DISK_SEC
 366 REPLACE_DISK_CHG = _constants.REPLACE_DISK_CHG
 367 REPLACE_DISK_AUTO = _constants.REPLACE_DISK_AUTO
 368 REPLACE_MODES = _constants.REPLACE_MODES
 369
 370 # Instance export mode
 371 EXPORT_MODE_LOCAL = _constants.EXPORT_MODE_LOCAL
 372 EXPORT_MODE_REMOTE = _constants.EXPORT_MODE_REMOTE
 373 EXPORT_MODES = _constants.EXPORT_MODES
 374
 375 # instance creation modes
 376 INSTANCE_CREATE = _constants.INSTANCE_CREATE
 377 INSTANCE_IMPORT = _constants.INSTANCE_IMPORT
 378 INSTANCE_REMOTE_IMPORT = _constants.INSTANCE_REMOTE_IMPORT
 379 INSTANCE_CREATE_MODES = _constants.INSTANCE_CREATE_MODES
 380
 381 # Remote import/export handshake message and version
 382 RIE_VERSION = 0
 383 RIE_HANDSHAKE = "Hi, I'm Ganeti"
 384
 385 # Remote import/export certificate validity in seconds
 386 RIE_CERT_VALIDITY = 24 * 60 * 60
 387
 388 # Overall timeout for establishing connection
 389 RIE_CONNECT_TIMEOUT = 180
 390
 391 # Export only: how long to wait per connection attempt (seconds)
 392 RIE_CONNECT_ATTEMPT_TIMEOUT = 20
 393
 394 # Export only: number of attempts to connect
 395 RIE_CONNECT_RETRIES = 10
 396
 397 #: Give child process up to 5 seconds to exit after sending a signal
 398 CHILD_LINGER_TIMEOUT = 5.0
 399
 400
 401 # import/export config options
 402 INISECT_EXP = "export"
 403 INISECT_INS = "instance"
 404 INISECT_HYP = "hypervisor"
 405 INISECT_BEP = "backend"
 406 INISECT_OSP = "os"
 407
 408 # dynamic device modification
 409 DDM_ADD = _constants.DDM_ADD
 410 DDM_MODIFY = _constants.DDM_MODIFY
 411 DDM_REMOVE = _constants.DDM_REMOVE
 412 DDMS_VALUES = _constants.DDMS_VALUES
 413 DDMS_VALUES_WITH_MODIFY = _constants.DDMS_VALUES_WITH_MODIFY
 414 # TODO: DDM_SWAP, DDM_MOVE?
 415
 416 # common exit codes
 417 EXIT_SUCCESS = _constants.EXIT_SUCCESS
 418 EXIT_FAILURE = _constants.EXIT_FAILURE
 419 EXIT_NOTCLUSTER = _constants.EXIT_NOTCLUSTER
 420 EXIT_NOTMASTER = _constants.EXIT_NOTMASTER
 421 EXIT_NODESETUP_ERROR = _constants.EXIT_NODESETUP_ERROR
 422 EXIT_CONFIRMATION = _constants.EXIT_CONFIRMATION # need user confirmation
 423
 424 #: Exit code for query operations with unknown fields
 425 EXIT_UNKNOWN_FIELD = _constants.EXIT_UNKNOWN_FIELD
 426
 427 # tags
 428 TAG_CLUSTER = _constants.TAG_CLUSTER
 429 TAG_NODEGROUP = _constants.TAG_NODEGROUP
 430 TAG_NODE = _constants.TAG_NODE
 431 TAG_INSTANCE = _constants.TAG_INSTANCE
 432 TAG_NETWORK = _constants.TAG_NETWORK
 433 VALID_TAG_TYPES = _constants.VALID_TAG_TYPES
 434
 435 MAX_TAG_LEN = _constants.MAX_TAG_LEN
 436 MAX_TAGS_PER_OBJ = _constants.MAX_TAGS_PER_OBJ
 437
 438 # others
 439 DEFAULT_BRIDGE = "xen-br0"
 440 DEFAULT_OVS = "switch1"
 441 CLASSIC_DRBD_SYNC_SPEED = 60 * 1024  # 60 MiB, expressed in KiB
 442 IP4_ADDRESS_LOCALHOST = "127.0.0.1"
 443 IP4_ADDRESS_ANY = "0.0.0.0"
 444 IP6_ADDRESS_LOCALHOST = "::1"
 445 IP6_ADDRESS_ANY = "::"
 446 IP4_VERSION = 4
 447 IP6_VERSION = 6
 448 VALID_IP_VERSIONS = compat.UniqueFrozenset([IP4_VERSION, IP6_VERSION])
 449 # for export to htools
 450 IP4_FAMILY = socket.AF_INET
 451 IP6_FAMILY = socket.AF_INET6
 452
 453 TCP_PING_TIMEOUT = 10
 454 DEFAULT_VG = "xenvg"
 455 DEFAULT_DRBD_HELPER = "/bin/true"
 456 MIN_VG_SIZE = 20480
 457 DEFAULT_MAC_PREFIX = "aa:00:00"
 458 # default maximum instance wait time, in seconds.
 459 DEFAULT_SHUTDOWN_TIMEOUT = 120
 460 NODE_MAX_CLOCK_SKEW = _constants.NODE_MAX_CLOCK_SKEW
 461 # Time for an intra-cluster disk transfer to wait for a connection
 462 DISK_TRANSFER_CONNECT_TIMEOUT = 60
 463 # Disk index separator
 464 DISK_SEPARATOR = _constants.DISK_SEPARATOR
 465 IP_COMMAND_PATH = _constants.IP_COMMAND_PATH
 466
 467 RPC_TMO_URGENT = _constants.RPC_TMO_URGENT
 468 RPC_TMO_FAST = _constants.RPC_TMO_FAST
 469 RPC_TMO_NORMAL = _constants.RPC_TMO_NORMAL
 470 RPC_TMO_SLOW = _constants.RPC_TMO_SLOW
 471 RPC_TMO_4HRS = _constants.RPC_TMO_4HRS
 472 RPC_TMO_1DAY = _constants.RPC_TMO_1DAY
 473 RPC_CONNECT_TIMEOUT = _constants.RPC_CONNECT_TIMEOUT
 474
 475 #: Key for job IDs in opcode result
 476 JOB_IDS_KEY = "jobs"
 477
 478 # runparts results
 479 (RUNPARTS_SKIP,
 480  RUNPARTS_RUN,
 481  RUNPARTS_ERR) = range(3)
 482
 483 RUNPARTS_STATUS = compat.UniqueFrozenset([
 484   RUNPARTS_SKIP,
 485   RUNPARTS_RUN,
 486   RUNPARTS_ERR,
 487   ])
 488
 489 # RPC constants
 490 (RPC_ENCODING_NONE,
 491  RPC_ENCODING_ZLIB_BASE64) = range(2)
 492
 493 # os related constants
 494 OS_SCRIPT_CREATE = "create"
 495 OS_SCRIPT_IMPORT = "import"
 496 OS_SCRIPT_EXPORT = "export"
 497 OS_SCRIPT_RENAME = "rename"
 498 OS_SCRIPT_VERIFY = "verify"
 499 OS_SCRIPTS = compat.UniqueFrozenset([
 500   OS_SCRIPT_CREATE,
 501   OS_SCRIPT_IMPORT,
 502   OS_SCRIPT_EXPORT,
 503   OS_SCRIPT_RENAME,
 504   OS_SCRIPT_VERIFY,
 505   ])
 506
 507 OS_API_FILE = "ganeti_api_version"
 508 OS_VARIANTS_FILE = "variants.list"
 509 OS_PARAMETERS_FILE = "parameters.list"
 510
 511 OS_VALIDATE_PARAMETERS = "parameters"
 512 OS_VALIDATE_CALLS = compat.UniqueFrozenset([OS_VALIDATE_PARAMETERS])
 513
 514 # External Storage (ES) related constants
 515 ES_ACTION_CREATE = "create"
 516 ES_ACTION_REMOVE = "remove"
 517 ES_ACTION_GROW = "grow"
 518 ES_ACTION_ATTACH = "attach"
 519 ES_ACTION_DETACH = "detach"
 520 ES_ACTION_SETINFO = "setinfo"
 521 ES_ACTION_VERIFY = "verify"
 522
 523 ES_SCRIPT_CREATE = ES_ACTION_CREATE
 524 ES_SCRIPT_REMOVE = ES_ACTION_REMOVE
 525 ES_SCRIPT_GROW = ES_ACTION_GROW
 526 ES_SCRIPT_ATTACH = ES_ACTION_ATTACH
 527 ES_SCRIPT_DETACH = ES_ACTION_DETACH
 528 ES_SCRIPT_SETINFO = ES_ACTION_SETINFO
 529 ES_SCRIPT_VERIFY = ES_ACTION_VERIFY
 530 ES_SCRIPTS = frozenset([
 531   ES_SCRIPT_CREATE,
 532   ES_SCRIPT_REMOVE,
 533   ES_SCRIPT_GROW,
 534   ES_SCRIPT_ATTACH,
 535   ES_SCRIPT_DETACH,
 536   ES_SCRIPT_SETINFO,
 537   ES_SCRIPT_VERIFY
 538   ])
 539
 540 ES_PARAMETERS_FILE = "parameters.list"
 541
 542 # reboot types
 543 INSTANCE_REBOOT_SOFT = _constants.INSTANCE_REBOOT_SOFT
 544 INSTANCE_REBOOT_HARD = _constants.INSTANCE_REBOOT_HARD
 545 INSTANCE_REBOOT_FULL = _constants.INSTANCE_REBOOT_FULL
 546 REBOOT_TYPES = _constants.REBOOT_TYPES
 547
 548 # instance reboot behaviors
 549 INSTANCE_REBOOT_ALLOWED = "reboot"
 550 INSTANCE_REBOOT_EXIT = "exit"
 551
 552 REBOOT_BEHAVIORS = compat.UniqueFrozenset([
 553   INSTANCE_REBOOT_ALLOWED,
 554   INSTANCE_REBOOT_EXIT,
 555   ])
 556
 557 VTYPE_STRING = _constants.VTYPE_STRING
 558 VTYPE_MAYBE_STRING = _constants.VTYPE_MAYBE_STRING
 559 VTYPE_BOOL = _constants.VTYPE_BOOL
 560 VTYPE_SIZE = _constants.VTYPE_SIZE
 561 VTYPE_INT = _constants.VTYPE_INT
 562 ENFORCEABLE_TYPES = _constants.ENFORCEABLE_TYPES
 563
 564 # Constant representing that the user does not specify any IP version
 565 IFACE_NO_IP_VERSION_SPECIFIED = 0
 566
 567 VALID_SERIAL_SPEEDS = compat.UniqueFrozenset([
 568   75,
 569   110,
 570   300,
 571   600,
 572   1200,
 573   1800,
 574   2400,
 575   4800,
 576   9600,
 577   14400,
 578   19200,
 579   28800,
 580   38400,
 581   57600,
 582   115200,
 583   230400,
 584   345600,
 585   460800,
 586   ])
 587
 588 # HV parameter names (global namespace)
 589 HV_BOOT_ORDER = "boot_order"
 590 HV_CDROM_IMAGE_PATH = "cdrom_image_path"
 591 HV_KVM_CDROM2_IMAGE_PATH = "cdrom2_image_path"
 592 HV_KVM_FLOPPY_IMAGE_PATH = "floppy_image_path"
 593 HV_NIC_TYPE = "nic_type"
 594 HV_DISK_TYPE = "disk_type"
 595 HV_KVM_CDROM_DISK_TYPE = "cdrom_disk_type"
 596 HV_VNC_BIND_ADDRESS = "vnc_bind_address"
 597 HV_VNC_PASSWORD_FILE = "vnc_password_file"
 598 HV_VNC_TLS = "vnc_tls"
 599 HV_VNC_X509 = "vnc_x509_path"
 600 HV_VNC_X509_VERIFY = "vnc_x509_verify"
 601 HV_KVM_SPICE_BIND = "spice_bind"
 602 HV_KVM_SPICE_IP_VERSION = "spice_ip_version"
 603 HV_KVM_SPICE_PASSWORD_FILE = "spice_password_file"
 604 HV_KVM_SPICE_LOSSLESS_IMG_COMPR = "spice_image_compression"
 605 HV_KVM_SPICE_JPEG_IMG_COMPR = "spice_jpeg_wan_compression"
 606 HV_KVM_SPICE_ZLIB_GLZ_IMG_COMPR = "spice_zlib_glz_wan_compression"
 607 HV_KVM_SPICE_STREAMING_VIDEO_DETECTION = "spice_streaming_video"
 608 HV_KVM_SPICE_AUDIO_COMPR = "spice_playback_compression"
 609 HV_KVM_SPICE_USE_TLS = "spice_use_tls"
 610 HV_KVM_SPICE_TLS_CIPHERS = "spice_tls_ciphers"
 611 HV_KVM_SPICE_USE_VDAGENT = "spice_use_vdagent"
 612 HV_ACPI = "acpi"
 613 HV_PAE = "pae"
 614 HV_USE_BOOTLOADER = "use_bootloader"
 615 HV_BOOTLOADER_ARGS = "bootloader_args"
 616 HV_BOOTLOADER_PATH = "bootloader_path"
 617 HV_KERNEL_ARGS = "kernel_args"
 618 HV_KERNEL_PATH = "kernel_path"
 619 HV_INITRD_PATH = "initrd_path"
 620 HV_ROOT_PATH = "root_path"
 621 HV_SERIAL_CONSOLE = "serial_console"
 622 HV_SERIAL_SPEED = "serial_speed"
 623 HV_USB_MOUSE = "usb_mouse"
 624 HV_KEYMAP = "keymap"
 625 HV_DEVICE_MODEL = "device_model"
 626 HV_INIT_SCRIPT = "init_script"
 627 HV_MIGRATION_PORT = "migration_port"
 628 HV_MIGRATION_BANDWIDTH = "migration_bandwidth"
 629 HV_MIGRATION_DOWNTIME = "migration_downtime"
 630 HV_MIGRATION_MODE = "migration_mode"
 631 HV_USE_LOCALTIME = "use_localtime"
 632 HV_DISK_CACHE = "disk_cache"
 633 HV_SECURITY_MODEL = "security_model"
 634 HV_SECURITY_DOMAIN = "security_domain"
 635 HV_KVM_FLAG = "kvm_flag"
 636 HV_VHOST_NET = "vhost_net"
 637 HV_KVM_USE_CHROOT = "use_chroot"
 638 HV_CPU_MASK = "cpu_mask"
 639 HV_MEM_PATH = "mem_path"
 640 HV_PASSTHROUGH = "pci_pass"
 641 HV_BLOCKDEV_PREFIX = "blockdev_prefix"
 642 HV_REBOOT_BEHAVIOR = "reboot_behavior"
 643 HV_CPU_TYPE = "cpu_type"
 644 HV_CPU_CAP = "cpu_cap"
 645 HV_CPU_WEIGHT = "cpu_weight"
 646 HV_CPU_CORES = "cpu_cores"
 647 HV_CPU_THREADS = "cpu_threads"
 648 HV_CPU_SOCKETS = "cpu_sockets"
 649 HV_SOUNDHW = "soundhw"
 650 HV_USB_DEVICES = "usb_devices"
 651 HV_VGA = "vga"
 652 HV_KVM_EXTRA = "kvm_extra"
 653 HV_KVM_MACHINE_VERSION = "machine_version"
 654 HV_KVM_PATH = "kvm_path"
 655 HV_VIF_TYPE = "vif_type"
 656 HV_VIF_SCRIPT = "vif_script"
 657 HV_XEN_CMD = "xen_cmd"
 658 HV_XEN_CPUID = "cpuid"
 659 HV_VNET_HDR = "vnet_hdr"
 660 HV_VIRIDIAN = "viridian"
 661
 662
 663 HVS_PARAMETER_TYPES = {
 664   HV_KVM_PATH: VTYPE_STRING,
 665   HV_BOOT_ORDER: VTYPE_STRING,
 666   HV_KVM_FLOPPY_IMAGE_PATH: VTYPE_STRING,
 667   HV_CDROM_IMAGE_PATH: VTYPE_STRING,
 668   HV_KVM_CDROM2_IMAGE_PATH: VTYPE_STRING,
 669   HV_NIC_TYPE: VTYPE_STRING,
 670   HV_DISK_TYPE: VTYPE_STRING,
 671   HV_KVM_CDROM_DISK_TYPE: VTYPE_STRING,
 672   HV_VNC_PASSWORD_FILE: VTYPE_STRING,
 673   HV_VNC_BIND_ADDRESS: VTYPE_STRING,
 674   HV_VNC_TLS: VTYPE_BOOL,
 675   HV_VNC_X509: VTYPE_STRING,
 676   HV_VNC_X509_VERIFY: VTYPE_BOOL,
 677   HV_KVM_SPICE_BIND: VTYPE_STRING,
 678   HV_KVM_SPICE_IP_VERSION: VTYPE_INT,
 679   HV_KVM_SPICE_PASSWORD_FILE: VTYPE_STRING,
 680   HV_KVM_SPICE_LOSSLESS_IMG_COMPR: VTYPE_STRING,
 681   HV_KVM_SPICE_JPEG_IMG_COMPR: VTYPE_STRING,
 682   HV_KVM_SPICE_ZLIB_GLZ_IMG_COMPR: VTYPE_STRING,
 683   HV_KVM_SPICE_STREAMING_VIDEO_DETECTION: VTYPE_STRING,
 684   HV_KVM_SPICE_AUDIO_COMPR: VTYPE_BOOL,
 685   HV_KVM_SPICE_USE_TLS: VTYPE_BOOL,
 686   HV_KVM_SPICE_TLS_CIPHERS: VTYPE_STRING,
 687   HV_KVM_SPICE_USE_VDAGENT: VTYPE_BOOL,
 688   HV_ACPI: VTYPE_BOOL,
 689   HV_PAE: VTYPE_BOOL,
 690   HV_USE_BOOTLOADER: VTYPE_BOOL,
 691   HV_BOOTLOADER_PATH: VTYPE_STRING,
 692   HV_BOOTLOADER_ARGS: VTYPE_STRING,
 693   HV_KERNEL_PATH: VTYPE_STRING,
 694   HV_KERNEL_ARGS: VTYPE_STRING,
 695   HV_INITRD_PATH: VTYPE_STRING,
 696   HV_ROOT_PATH: VTYPE_MAYBE_STRING,
 697   HV_SERIAL_CONSOLE: VTYPE_BOOL,
 698   HV_SERIAL_SPEED: VTYPE_INT,
 699   HV_USB_MOUSE: VTYPE_STRING,
 700   HV_KEYMAP: VTYPE_STRING,
 701   HV_DEVICE_MODEL: VTYPE_STRING,
 702   HV_INIT_SCRIPT: VTYPE_STRING,
 703   HV_MIGRATION_PORT: VTYPE_INT,
 704   HV_MIGRATION_BANDWIDTH: VTYPE_INT,
 705   HV_MIGRATION_DOWNTIME: VTYPE_INT,
 706   HV_MIGRATION_MODE: VTYPE_STRING,
 707   HV_USE_LOCALTIME: VTYPE_BOOL,
 708   HV_DISK_CACHE: VTYPE_STRING,
 709   HV_SECURITY_MODEL: VTYPE_STRING,
 710   HV_SECURITY_DOMAIN: VTYPE_STRING,
 711   HV_KVM_FLAG: VTYPE_STRING,
 712   HV_VHOST_NET: VTYPE_BOOL,
 713   HV_KVM_USE_CHROOT: VTYPE_BOOL,
 714   HV_CPU_MASK: VTYPE_STRING,
 715   HV_MEM_PATH: VTYPE_STRING,
 716   HV_PASSTHROUGH: VTYPE_STRING,
 717   HV_BLOCKDEV_PREFIX: VTYPE_STRING,
 718   HV_REBOOT_BEHAVIOR: VTYPE_STRING,
 719   HV_CPU_TYPE: VTYPE_STRING,
 720   HV_CPU_CAP: VTYPE_INT,
 721   HV_CPU_WEIGHT: VTYPE_INT,
 722   HV_CPU_CORES: VTYPE_INT,
 723   HV_CPU_THREADS: VTYPE_INT,
 724   HV_CPU_SOCKETS: VTYPE_INT,
 725   HV_SOUNDHW: VTYPE_STRING,
 726   HV_USB_DEVICES: VTYPE_STRING,
 727   HV_VGA: VTYPE_STRING,
 728   HV_KVM_EXTRA: VTYPE_STRING,
 729   HV_KVM_MACHINE_VERSION: VTYPE_STRING,
 730   HV_VIF_TYPE: VTYPE_STRING,
 731   HV_VIF_SCRIPT: VTYPE_STRING,
 732   HV_XEN_CMD: VTYPE_STRING,
 733   HV_XEN_CPUID: VTYPE_STRING,
 734   HV_VNET_HDR: VTYPE_BOOL,
 735   HV_VIRIDIAN: VTYPE_BOOL,
 736   }
 737
 738 HVS_PARAMETERS = frozenset(HVS_PARAMETER_TYPES.keys())
 739
 740 HVS_PARAMETER_TITLES = {
 741   HV_ACPI: "ACPI",
 742   HV_BOOT_ORDER: "Boot_order",
 743   HV_CDROM_IMAGE_PATH: "CDROM_image_path",
 744   HV_DISK_TYPE: "Disk_type",
 745   HV_INITRD_PATH: "Initrd_path",
 746   HV_KERNEL_PATH: "Kernel_path",
 747   HV_NIC_TYPE: "NIC_type",
 748   HV_PAE: "PAE",
 749   HV_VNC_BIND_ADDRESS: "VNC_bind_address",
 750   HV_PASSTHROUGH: "pci_pass",
 751   HV_CPU_TYPE: "cpu_type",
 752   }
 753
 754 # Migration statuses
 755 HV_MIGRATION_COMPLETED = "completed"
 756 HV_MIGRATION_ACTIVE = "active"
 757 HV_MIGRATION_FAILED = "failed"
 758 HV_MIGRATION_CANCELLED = "cancelled"
 759
 760 HV_MIGRATION_VALID_STATUSES = compat.UniqueFrozenset([
 761   HV_MIGRATION_COMPLETED,
 762   HV_MIGRATION_ACTIVE,
 763   HV_MIGRATION_FAILED,
 764   HV_MIGRATION_CANCELLED,
 765   ])
 766
 767 HV_MIGRATION_FAILED_STATUSES = compat.UniqueFrozenset([
 768   HV_MIGRATION_FAILED,
 769   HV_MIGRATION_CANCELLED,
 770   ])
 771
 772 # KVM-specific statuses
 773 HV_KVM_MIGRATION_VALID_STATUSES = HV_MIGRATION_VALID_STATUSES
 774
 775 # Node info keys
 776 HV_NODEINFO_KEY_VERSION = "hv_version"
 777
 778 # Hypervisor state
 779 HVST_MEMORY_TOTAL = "mem_total"
 780 HVST_MEMORY_NODE = "mem_node"
 781 HVST_MEMORY_HV = "mem_hv"
 782 HVST_CPU_TOTAL = "cpu_total"
 783 HVST_CPU_NODE = "cpu_node"
 784
 785 HVST_DEFAULTS = {
 786   HVST_MEMORY_TOTAL: 0,
 787   HVST_MEMORY_NODE: 0,
 788   HVST_MEMORY_HV: 0,
 789   HVST_CPU_TOTAL: 1,
 790   HVST_CPU_NODE: 1,
 791   }
 792
 793 HVSTS_PARAMETER_TYPES = {
 794   HVST_MEMORY_TOTAL: VTYPE_INT,
 795   HVST_MEMORY_NODE: VTYPE_INT,
 796   HVST_MEMORY_HV: VTYPE_INT,
 797   HVST_CPU_TOTAL: VTYPE_INT,
 798   HVST_CPU_NODE: VTYPE_INT,
 799   }
 800
 801 HVSTS_PARAMETERS = frozenset(HVSTS_PARAMETER_TYPES.keys())
 802
 803 # Disk state
 804 DS_DISK_TOTAL = "disk_total"
 805 DS_DISK_RESERVED = "disk_reserved"
 806 DS_DISK_OVERHEAD = "disk_overhead"
 807
 808 DS_DEFAULTS = {
 809   DS_DISK_TOTAL: 0,
 810   DS_DISK_RESERVED: 0,
 811   DS_DISK_OVERHEAD: 0,
 812   }
 813
 814 ISPEC_MEM_SIZE = _constants.ISPEC_MEM_SIZE
 815 ISPEC_CPU_COUNT = _constants.ISPEC_CPU_COUNT
 816 ISPEC_DISK_COUNT = _constants.ISPEC_DISK_COUNT
 817 ISPEC_DISK_SIZE = _constants.ISPEC_DISK_SIZE
 818 ISPEC_NIC_COUNT = _constants.ISPEC_NIC_COUNT
 819 ISPEC_SPINDLE_USE = _constants.ISPEC_SPINDLE_USE
 820 ISPECS_PARAMETER_TYPES = _constants.ISPECS_PARAMETER_TYPES
 821 ISPECS_PARAMETERS = _constants.ISPECS_PARAMETERS
 822
 823 ISPECS_MINMAX = _constants.ISPECS_MINMAX
 824 ISPECS_MIN = _constants.ISPECS_MIN
 825 ISPECS_MAX = _constants.ISPECS_MAX
 826 ISPECS_STD = _constants.ISPECS_STD
 827 IPOLICY_DTS = _constants.IPOLICY_DTS
 828 IPOLICY_VCPU_RATIO = _constants.IPOLICY_VCPU_RATIO
 829 IPOLICY_SPINDLE_RATIO = _constants.IPOLICY_SPINDLE_RATIO
 830 ISPECS_MINMAX_KEYS = _constants.ISPECS_MINMAX_KEYS
 831 IPOLICY_PARAMETERS = _constants.IPOLICY_PARAMETERS
 832 IPOLICY_ALL_KEYS = _constants.IPOLICY_ALL_KEYS
 833
 834 ND_OOB_PROGRAM = _constants.ND_OOB_PROGRAM
 835 ND_SPINDLE_COUNT = _constants.ND_SPINDLE_COUNT
 836 ND_EXCLUSIVE_STORAGE = _constants.ND_EXCLUSIVE_STORAGE
 837 ND_OVS = _constants.ND_OVS
 838 ND_OVS_NAME = _constants.ND_OVS_NAME
 839 ND_OVS_LINK = _constants.ND_OVS_LINK
 840
 841 NDS_PARAMETER_TYPES = _constants.NDS_PARAMETER_TYPES
 842 NDS_PARAMETERS = _constants.NDS_PARAMETERS
 843 NDS_PARAMETER_TITLES = _constants.NDS_PARAMETER_TITLES
 844 DSS_PARAMETER_TYPES = {
 845   DS_DISK_TOTAL: VTYPE_INT,
 846   DS_DISK_RESERVED: VTYPE_INT,
 847   DS_DISK_OVERHEAD: VTYPE_INT,
 848   }
 849
 850 DSS_PARAMETERS = frozenset(DSS_PARAMETER_TYPES.keys())
 851 DS_VALID_TYPES = compat.UniqueFrozenset([DT_PLAIN])
 852
 853 # Backend parameter names
 854 BE_MEMORY = "memory" # deprecated and replaced by max and min mem
 855 BE_MAXMEM = "maxmem"
 856 BE_MINMEM = "minmem"
 857 BE_VCPUS = "vcpus"
 858 BE_AUTO_BALANCE = "auto_balance"
 859 BE_ALWAYS_FAILOVER = "always_failover"
 860 BE_SPINDLE_USE = "spindle_use"
 861
 862 BES_PARAMETER_TYPES = {
 863   BE_MAXMEM: VTYPE_SIZE,
 864   BE_MINMEM: VTYPE_SIZE,
 865   BE_VCPUS: VTYPE_INT,
 866   BE_AUTO_BALANCE: VTYPE_BOOL,
 867   BE_ALWAYS_FAILOVER: VTYPE_BOOL,
 868   BE_SPINDLE_USE: VTYPE_INT,
 869   }
 870
 871 BES_PARAMETER_TITLES = {
 872   BE_AUTO_BALANCE: "Auto_balance",
 873   BE_MAXMEM: "ConfigMaxMem",
 874   BE_MINMEM: "ConfigMinMem",
 875   BE_VCPUS: "ConfigVCPUs",
 876   }
 877
 878 BES_PARAMETER_COMPAT = {
 879   BE_MEMORY: VTYPE_SIZE,
 880   }
 881 BES_PARAMETER_COMPAT.update(BES_PARAMETER_TYPES)
 882
 883 BES_PARAMETERS = frozenset(BES_PARAMETER_TYPES.keys())
 884
 885 # Logical Disks parameters
 886 LDP_RESYNC_RATE = "resync-rate"
 887 LDP_STRIPES = "stripes"
 888 LDP_BARRIERS = "disabled-barriers"
 889 LDP_NO_META_FLUSH = "disable-meta-flush"
 890 LDP_DEFAULT_METAVG = "default-metavg"
 891 LDP_DISK_CUSTOM = "disk-custom"
 892 LDP_NET_CUSTOM = "net-custom"
 893 LDP_PROTOCOL = "protocol"
 894 LDP_DYNAMIC_RESYNC = "dynamic-resync"
 895 LDP_PLAN_AHEAD = "c-plan-ahead"
 896 LDP_FILL_TARGET = "c-fill-target"
 897 LDP_DELAY_TARGET = "c-delay-target"
 898 LDP_MAX_RATE = "c-max-rate"
 899 LDP_MIN_RATE = "c-min-rate"
 900 LDP_POOL = "pool"
 901 LDP_ACCESS = "access"
 902 DISK_LD_TYPES = {
 903   LDP_RESYNC_RATE: VTYPE_INT,
 904   LDP_STRIPES: VTYPE_INT,
 905   LDP_BARRIERS: VTYPE_STRING,
 906   LDP_NO_META_FLUSH: VTYPE_BOOL,
 907   LDP_DEFAULT_METAVG: VTYPE_STRING,
 908   LDP_DISK_CUSTOM: VTYPE_STRING,
 909   LDP_NET_CUSTOM: VTYPE_STRING,
 910   LDP_PROTOCOL: VTYPE_STRING,
 911   LDP_DYNAMIC_RESYNC: VTYPE_BOOL,
 912   LDP_PLAN_AHEAD: VTYPE_INT,
 913   LDP_FILL_TARGET: VTYPE_INT,
 914   LDP_DELAY_TARGET: VTYPE_INT,
 915   LDP_MAX_RATE: VTYPE_INT,
 916   LDP_MIN_RATE: VTYPE_INT,
 917   LDP_POOL: VTYPE_STRING,
 918   LDP_ACCESS: VTYPE_STRING,
 919   }
 920 DISK_LD_PARAMETERS = frozenset(DISK_LD_TYPES.keys())
 921
 922 # Disk template parameters (can be set/changed by the user via gnt-cluster and
 923 # gnt-group)
 924 DRBD_RESYNC_RATE = "resync-rate"
 925 DRBD_DATA_STRIPES = "data-stripes"
 926 DRBD_META_STRIPES = "meta-stripes"
 927 DRBD_DISK_BARRIERS = "disk-barriers"
 928 DRBD_META_BARRIERS = "meta-barriers"
 929 DRBD_DEFAULT_METAVG = "metavg"
 930 DRBD_DISK_CUSTOM = "disk-custom"
 931 DRBD_NET_CUSTOM = "net-custom"
 932 DRBD_PROTOCOL = "protocol"
 933 DRBD_DYNAMIC_RESYNC = "dynamic-resync"
 934 DRBD_PLAN_AHEAD = "c-plan-ahead"
 935 DRBD_FILL_TARGET = "c-fill-target"
 936 DRBD_DELAY_TARGET = "c-delay-target"
 937 DRBD_MAX_RATE = "c-max-rate"
 938 DRBD_MIN_RATE = "c-min-rate"
 939 LV_STRIPES = "stripes"
 940 RBD_POOL = "pool"
 941 RBD_ACCESS = "access"
 942 DISK_DT_TYPES = {
 943   DRBD_RESYNC_RATE: VTYPE_INT,
 944   DRBD_DATA_STRIPES: VTYPE_INT,
 945   DRBD_META_STRIPES: VTYPE_INT,
 946   DRBD_DISK_BARRIERS: VTYPE_STRING,
 947   DRBD_META_BARRIERS: VTYPE_BOOL,
 948   DRBD_DEFAULT_METAVG: VTYPE_STRING,
 949   DRBD_DISK_CUSTOM: VTYPE_STRING,
 950   DRBD_NET_CUSTOM: VTYPE_STRING,
 951   DRBD_PROTOCOL: VTYPE_STRING,
 952   DRBD_DYNAMIC_RESYNC: VTYPE_BOOL,
 953   DRBD_PLAN_AHEAD: VTYPE_INT,
 954   DRBD_FILL_TARGET: VTYPE_INT,
 955   DRBD_DELAY_TARGET: VTYPE_INT,
 956   DRBD_MAX_RATE: VTYPE_INT,
 957   DRBD_MIN_RATE: VTYPE_INT,
 958   LV_STRIPES: VTYPE_INT,
 959   RBD_POOL: VTYPE_STRING,
 960   RBD_ACCESS: VTYPE_STRING,
 961   }
 962
 963 DISK_DT_PARAMETERS = frozenset(DISK_DT_TYPES.keys())
 964
 965 # dynamic disk parameters
 966 DDP_LOCAL_IP = "local-ip"
 967 DDP_REMOTE_IP = "remote-ip"
 968 DDP_PORT = "port"
 969 DDP_LOCAL_MINOR = "local-minor"
 970 DDP_REMOTE_MINOR = "remote-minor"
 971
 972 # OOB supported commands
 973 OOB_POWER_ON = _constants.OOB_POWER_ON
 974 OOB_POWER_OFF = _constants.OOB_POWER_OFF
 975 OOB_POWER_CYCLE = _constants.OOB_POWER_CYCLE
 976 OOB_POWER_STATUS = _constants.OOB_POWER_STATUS
 977 OOB_HEALTH = _constants.OOB_HEALTH
 978 OOB_COMMANDS = _constants.OOB_COMMANDS
 979
 980 OOB_POWER_STATUS_POWERED = _constants.OOB_POWER_STATUS_POWERED
 981
 982 OOB_TIMEOUT = _constants.OOB_TIMEOUT
 983 OOB_POWER_DELAY = _constants.OOB_POWER_DELAY
 984
 985 OOB_STATUS_OK = _constants.OOB_STATUS_OK
 986 OOB_STATUS_WARNING = _constants.OOB_STATUS_WARNING
 987 OOB_STATUS_CRITICAL = _constants.OOB_STATUS_CRITICAL
 988 OOB_STATUS_UNKNOWN = _constants.OOB_STATUS_UNKNOWN
 989 OOB_STATUSES = _constants.OOB_STATUSES
 990
 991 # Instance Parameters Profile
 992 PP_DEFAULT = "default"
 993
 994 # NIC_* constants are used inside the ganeti config
 995 NIC_MODE = _constants.NIC_MODE
 996 NIC_LINK = _constants.NIC_LINK
 997 NIC_VLAN = _constants.NIC_VLAN
 998
 999 NIC_MODE_BRIDGED = _constants.NIC_MODE_BRIDGED
1000 NIC_MODE_ROUTED = _constants.NIC_MODE_ROUTED
1001 NIC_MODE_OVS = _constants.NIC_MODE_OVS
1002 NIC_IP_POOL = _constants.NIC_IP_POOL
1003 NIC_VALID_MODES = _constants.NIC_VALID_MODES
1004
1005 RESERVE_ACTION = "reserve"
1006 RELEASE_ACTION = "release"
1007
1008 NICS_PARAMETER_TYPES = {
1009   NIC_MODE: VTYPE_STRING,
1010   NIC_LINK: VTYPE_STRING,
1011   NIC_VLAN: VTYPE_MAYBE_STRING,
1012   }
1013
1014 NICS_PARAMETERS = frozenset(NICS_PARAMETER_TYPES.keys())
1015
1016 # IDISK_* constants are used in opcodes, to create/change disks
1017 IDISK_SIZE = "size"
1018 IDISK_SPINDLES = "spindles"
1019 IDISK_MODE = "mode"
1020 IDISK_ADOPT = "adopt"
1021 IDISK_VG = "vg"
1022 IDISK_METAVG = "metavg"
1023 IDISK_PROVIDER = "provider"
1024 IDISK_NAME = "name"
1025 IDISK_PARAMS_TYPES = {
1026   IDISK_SIZE: VTYPE_SIZE,
1027   IDISK_SPINDLES: VTYPE_INT,
1028   IDISK_MODE: VTYPE_STRING,
1029   IDISK_ADOPT: VTYPE_STRING,
1030   IDISK_VG: VTYPE_STRING,
1031   IDISK_METAVG: VTYPE_STRING,
1032   IDISK_PROVIDER: VTYPE_STRING,
1033   IDISK_NAME: VTYPE_MAYBE_STRING,
1034   }
1035 IDISK_PARAMS = frozenset(IDISK_PARAMS_TYPES.keys())
1036
1037 # INIC_* constants are used in opcodes, to create/change nics
1038 INIC_MAC = "mac"
1039 INIC_IP = "ip"
1040 INIC_MODE = "mode"
1041 INIC_LINK = "link"
1042 INIC_NETWORK = "network"
1043 INIC_NAME = "name"
1044 INIC_VLAN = "vlan"
1045 INIC_BRIDGE = "bridge"
1046 INIC_PARAMS_TYPES = {
1047   INIC_IP: VTYPE_MAYBE_STRING,
1048   INIC_LINK: VTYPE_STRING,
1049   INIC_MAC: VTYPE_STRING,
1050   INIC_MODE: VTYPE_STRING,
1051   INIC_NETWORK: VTYPE_MAYBE_STRING,
1052   INIC_NAME: VTYPE_MAYBE_STRING,
1053   INIC_VLAN: VTYPE_MAYBE_STRING,
1054   INIC_BRIDGE: VTYPE_MAYBE_STRING
1055   }
1056 INIC_PARAMS = frozenset(INIC_PARAMS_TYPES.keys())
1057
1058 # Hypervisor constants
1059 HT_XEN_PVM = _constants.HT_XEN_PVM
1060 HT_FAKE = _constants.HT_FAKE
1061 HT_XEN_HVM = _constants.HT_XEN_HVM
1062 HT_KVM = _constants.HT_KVM
1063 HT_CHROOT = _constants.HT_CHROOT
1064 HT_LXC = _constants.HT_LXC
1065 HYPER_TYPES = _constants.HYPER_TYPES
1066 HTS_REQ_PORT = _constants.HTS_REQ_PORT
1067
1068 VNC_BASE_PORT = 5900
1069 VNC_DEFAULT_BIND_ADDRESS = IP4_ADDRESS_ANY
1070
1071 # NIC types
1072 HT_NIC_RTL8139 = "rtl8139"
1073 HT_NIC_NE2K_PCI = "ne2k_pci"
1074 HT_NIC_NE2K_ISA = "ne2k_isa"
1075 HT_NIC_I82551 = "i82551"
1076 HT_NIC_I85557B = "i82557b"
1077 HT_NIC_I8259ER = "i82559er"
1078 HT_NIC_PCNET = "pcnet"
1079 HT_NIC_E1000 = "e1000"
1080 HT_NIC_PARAVIRTUAL = HT_DISK_PARAVIRTUAL = "paravirtual"
1081
1082 HT_HVM_VALID_NIC_TYPES = compat.UniqueFrozenset([
1083   HT_NIC_RTL8139,
1084   HT_NIC_NE2K_PCI,
1085   HT_NIC_E1000,
1086   HT_NIC_NE2K_ISA,
1087   HT_NIC_PARAVIRTUAL,
1088   ])
1089 HT_KVM_VALID_NIC_TYPES = compat.UniqueFrozenset([
1090   HT_NIC_RTL8139,
1091   HT_NIC_NE2K_PCI,
1092   HT_NIC_NE2K_ISA,
1093   HT_NIC_I82551,
1094   HT_NIC_I85557B,
1095   HT_NIC_I8259ER,
1096   HT_NIC_PCNET,
1097   HT_NIC_E1000,
1098   HT_NIC_PARAVIRTUAL,
1099   ])
1100
1101 # Vif types
1102 # default vif type in xen-hvm
1103 HT_HVM_VIF_IOEMU = "ioemu"
1104 HT_HVM_VIF_VIF = "vif"
1105 HT_HVM_VALID_VIF_TYPES = compat.UniqueFrozenset([
1106   HT_HVM_VIF_IOEMU,
1107   HT_HVM_VIF_VIF,
1108   ])
1109
1110 # Disk types
1111 HT_DISK_IOEMU = "ioemu"
1112 HT_DISK_IDE = "ide"
1113 HT_DISK_SCSI = "scsi"
1114 HT_DISK_SD = "sd"
1115 HT_DISK_MTD = "mtd"
1116 HT_DISK_PFLASH = "pflash"
1117
1118 HT_CACHE_DEFAULT = "default"
1119 HT_CACHE_NONE = "none"
1120 HT_CACHE_WTHROUGH = "writethrough"
1121 HT_CACHE_WBACK = "writeback"
1122 HT_VALID_CACHE_TYPES = compat.UniqueFrozenset([
1123   HT_CACHE_DEFAULT,
1124   HT_CACHE_NONE,
1125   HT_CACHE_WTHROUGH,
1126   HT_CACHE_WBACK,
1127   ])
1128
1129 HT_HVM_VALID_DISK_TYPES = compat.UniqueFrozenset([
1130   HT_DISK_PARAVIRTUAL,
1131   HT_DISK_IOEMU,
1132   ])
1133 HT_KVM_VALID_DISK_TYPES = compat.UniqueFrozenset([
1134   HT_DISK_PARAVIRTUAL,
1135   HT_DISK_IDE,
1136   HT_DISK_SCSI,
1137   HT_DISK_SD,
1138   HT_DISK_MTD,
1139   HT_DISK_PFLASH,
1140   ])
1141
1142 # Mouse types:
1143 HT_MOUSE_MOUSE = "mouse"
1144 HT_MOUSE_TABLET = "tablet"
1145
1146 HT_KVM_VALID_MOUSE_TYPES = compat.UniqueFrozenset([
1147   HT_MOUSE_MOUSE,
1148   HT_MOUSE_TABLET,
1149   ])
1150
1151 # Boot order
1152 HT_BO_FLOPPY = "floppy"
1153 HT_BO_CDROM = "cdrom"
1154 HT_BO_DISK = "disk"
1155 HT_BO_NETWORK = "network"
1156
1157 HT_KVM_VALID_BO_TYPES = compat.UniqueFrozenset([
1158   HT_BO_FLOPPY,
1159   HT_BO_CDROM,
1160   HT_BO_DISK,
1161   HT_BO_NETWORK,
1162   ])
1163
1164 # SPICE lossless image compression options
1165 HT_KVM_SPICE_LOSSLESS_IMG_COMPR_AUTO_GLZ = "auto_glz"
1166 HT_KVM_SPICE_LOSSLESS_IMG_COMPR_AUTO_LZ = "auto_lz"
1167 HT_KVM_SPICE_LOSSLESS_IMG_COMPR_QUIC = "quic"
1168 HT_KVM_SPICE_LOSSLESS_IMG_COMPR_GLZ = "glz"
1169 HT_KVM_SPICE_LOSSLESS_IMG_COMPR_LZ = "lz"
1170 HT_KVM_SPICE_LOSSLESS_IMG_COMPR_OFF = "off"
1171
1172 HT_KVM_SPICE_VALID_LOSSLESS_IMG_COMPR_OPTIONS = compat.UniqueFrozenset([
1173   HT_KVM_SPICE_LOSSLESS_IMG_COMPR_AUTO_GLZ,
1174   HT_KVM_SPICE_LOSSLESS_IMG_COMPR_AUTO_LZ,
1175   HT_KVM_SPICE_LOSSLESS_IMG_COMPR_QUIC,
1176   HT_KVM_SPICE_LOSSLESS_IMG_COMPR_GLZ,
1177   HT_KVM_SPICE_LOSSLESS_IMG_COMPR_LZ,
1178   HT_KVM_SPICE_LOSSLESS_IMG_COMPR_OFF,
1179   ])
1180
1181 # SPICE lossy image compression options (valid for both jpeg and zlib-glz)
1182 HT_KVM_SPICE_LOSSY_IMG_COMPR_AUTO = "auto"
1183 HT_KVM_SPICE_LOSSY_IMG_COMPR_NEVER = "never"
1184 HT_KVM_SPICE_LOSSY_IMG_COMPR_ALWAYS = "always"
1185
1186 HT_KVM_SPICE_VALID_LOSSY_IMG_COMPR_OPTIONS = compat.UniqueFrozenset([
1187   HT_KVM_SPICE_LOSSY_IMG_COMPR_AUTO,
1188   HT_KVM_SPICE_LOSSY_IMG_COMPR_NEVER,
1189   HT_KVM_SPICE_LOSSY_IMG_COMPR_ALWAYS,
1190   ])
1191
1192 # SPICE video stream detection
1193 HT_KVM_SPICE_VIDEO_STREAM_DETECTION_OFF = "off"
1194 HT_KVM_SPICE_VIDEO_STREAM_DETECTION_ALL = "all"
1195 HT_KVM_SPICE_VIDEO_STREAM_DETECTION_FILTER = "filter"
1196
1197 HT_KVM_SPICE_VALID_VIDEO_STREAM_DETECTION_OPTIONS = compat.UniqueFrozenset([
1198   HT_KVM_SPICE_VIDEO_STREAM_DETECTION_OFF,
1199   HT_KVM_SPICE_VIDEO_STREAM_DETECTION_ALL,
1200   HT_KVM_SPICE_VIDEO_STREAM_DETECTION_FILTER,
1201   ])
1202
1203 # Security models
1204 HT_SM_NONE = "none"
1205 HT_SM_USER = "user"
1206 HT_SM_POOL = "pool"
1207
1208 HT_KVM_VALID_SM_TYPES = compat.UniqueFrozenset([
1209   HT_SM_NONE,
1210   HT_SM_USER,
1211   HT_SM_POOL,
1212   ])
1213
1214 # Kvm flag values
1215 HT_KVM_ENABLED = "enabled"
1216 HT_KVM_DISABLED = "disabled"
1217
1218 HT_KVM_FLAG_VALUES = compat.UniqueFrozenset([HT_KVM_ENABLED, HT_KVM_DISABLED])
1219
1220 # Migration type
1221 HT_MIGRATION_LIVE = _constants.HT_MIGRATION_LIVE
1222 HT_MIGRATION_NONLIVE = _constants.HT_MIGRATION_NONLIVE
1223 HT_MIGRATION_MODES = _constants.HT_MIGRATION_MODES
1224
1225 # Cluster Verify steps
1226 VERIFY_NPLUSONE_MEM = _constants.VERIFY_NPLUSONE_MEM
1227 VERIFY_OPTIONAL_CHECKS = _constants.VERIFY_OPTIONAL_CHECKS
1228
1229 # Cluster Verify error classes
1230 CV_TCLUSTER = _constants.CV_TCLUSTER
1231 CV_TGROUP = _constants.CV_TGROUP
1232 CV_TNODE = _constants.CV_TNODE
1233 CV_TINSTANCE = _constants.CV_TINSTANCE
1234
1235 # Cluster Verify error codes and documentation
1236 CV_ECLUSTERCFG = _constants.CV_ECLUSTERCFG
1237 CV_ECLUSTERCERT = _constants.CV_ECLUSTERCERT
1238 CV_ECLUSTERFILECHECK = _constants.CV_ECLUSTERFILECHECK
1239 CV_ECLUSTERDANGLINGNODES = _constants.CV_ECLUSTERDANGLINGNODES
1240 CV_ECLUSTERDANGLINGINST = _constants.CV_ECLUSTERDANGLINGINST
1241 CV_EGROUPDIFFERENTPVSIZE = _constants.CV_EGROUPDIFFERENTPVSIZE
1242 CV_EINSTANCEBADNODE = _constants.CV_EINSTANCEBADNODE
1243 CV_EINSTANCEDOWN = _constants.CV_EINSTANCEDOWN
1244 CV_EINSTANCELAYOUT = _constants.CV_EINSTANCELAYOUT
1245 CV_EINSTANCEMISSINGDISK = _constants.CV_EINSTANCEMISSINGDISK
1246 CV_EINSTANCEFAULTYDISK = _constants.CV_EINSTANCEFAULTYDISK
1247 CV_EINSTANCEWRONGNODE = _constants.CV_EINSTANCEWRONGNODE
1248 CV_EINSTANCESPLITGROUPS = _constants.CV_EINSTANCESPLITGROUPS
1249 CV_EINSTANCEPOLICY = _constants.CV_EINSTANCEPOLICY
1250 CV_EINSTANCEUNSUITABLENODE = _constants.CV_EINSTANCEUNSUITABLENODE
1251 CV_EINSTANCEMISSINGCFGPARAMETER = _constants.CV_EINSTANCEMISSINGCFGPARAMETER
1252 CV_ENODEDRBD = _constants.CV_ENODEDRBD
1253 CV_ENODEDRBDVERSION = _constants.CV_ENODEDRBDVERSION
1254 CV_ENODEDRBDHELPER = _constants.CV_ENODEDRBDHELPER
1255 CV_ENODEFILECHECK = _constants.CV_ENODEFILECHECK
1256 CV_ENODEHOOKS = _constants.CV_ENODEHOOKS
1257 CV_ENODEHV = _constants.CV_ENODEHV
1258 CV_ENODELVM = _constants.CV_ENODELVM
1259 CV_ENODEN1 = _constants.CV_ENODEN1
1260 CV_ENODENET = _constants.CV_ENODENET
1261 CV_ENODEOS = _constants.CV_ENODEOS
1262 CV_ENODEORPHANINSTANCE = _constants.CV_ENODEORPHANINSTANCE
1263 CV_ENODEORPHANLV = _constants.CV_ENODEORPHANLV
1264 CV_ENODERPC = _constants.CV_ENODERPC
1265 CV_ENODESSH = _constants.CV_ENODESSH
1266 CV_ENODEVERSION = _constants.CV_ENODEVERSION
1267 CV_ENODESETUP = _constants.CV_ENODESETUP
1268 CV_ENODETIME = _constants.CV_ENODETIME
1269 CV_ENODEOOBPATH = _constants.CV_ENODEOOBPATH
1270 CV_ENODEUSERSCRIPTS = _constants.CV_ENODEUSERSCRIPTS
1271 CV_ENODEFILESTORAGEPATHS = _constants.CV_ENODEFILESTORAGEPATHS
1272 CV_ENODEFILESTORAGEPATHUNUSABLE = _constants.CV_ENODEFILESTORAGEPATHUNUSABLE
1273 CV_ENODESHAREDFILESTORAGEPATHUNUSABLE = \
1274   _constants.CV_ENODESHAREDFILESTORAGEPATHUNUSABLE
1275
1276 CV_ALL_ECODES = _constants.CV_ALL_ECODES
1277 CV_ALL_ECODES_STRINGS = _constants.CV_ALL_ECODES_STRINGS
1278
1279 # Node verify constants
1280 NV_BRIDGES = "bridges"
1281 NV_DRBDHELPER = "drbd-helper"
1282 NV_DRBDVERSION = "drbd-version"
1283 NV_DRBDLIST = "drbd-list"
1284 NV_EXCLUSIVEPVS = "exclusive-pvs"
1285 NV_FILELIST = "filelist"
1286 NV_ACCEPTED_STORAGE_PATHS = "allowed-file-storage-paths"
1287 NV_FILE_STORAGE_PATH = "file-storage-path"
1288 NV_SHARED_FILE_STORAGE_PATH = "shared-file-storage-path"
1289 NV_HVINFO = "hvinfo"
1290 NV_HVPARAMS = "hvparms"
1291 NV_HYPERVISOR = "hypervisor"
1292 NV_INSTANCELIST = "instancelist"
1293 NV_LVLIST = "lvlist"
1294 NV_MASTERIP = "master-ip"
1295 NV_NODELIST = "nodelist"
1296 NV_NODENETTEST = "node-net-test"
1297 NV_NODESETUP = "nodesetup"
1298 NV_OOB_PATHS = "oob-paths"
1299 NV_OSLIST = "oslist"
1300 NV_PVLIST = "pvlist"
1301 NV_TIME = "time"
1302 NV_USERSCRIPTS = "user-scripts"
1303 NV_VERSION = "version"
1304 NV_VGLIST = "vglist"
1305 NV_VMNODES = "vmnodes"
1306
1307 # Instance status
1308 INSTST_RUNNING = _constants.INSTST_RUNNING
1309 INSTST_ADMINDOWN = _constants.INSTST_ADMINDOWN
1310 INSTST_ADMINOFFLINE = _constants.INSTST_ADMINOFFLINE
1311 INSTST_NODEOFFLINE = _constants.INSTST_NODEOFFLINE
1312 INSTST_NODEDOWN = _constants.INSTST_NODEDOWN
1313 INSTST_WRONGNODE = _constants.INSTST_WRONGNODE
1314 INSTST_ERRORUP = _constants.INSTST_ERRORUP
1315 INSTST_ERRORDOWN = _constants.INSTST_ERRORDOWN
1316 INSTST_ALL = _constants.INSTST_ALL
1317
1318 # Admin states
1319 ADMINST_UP = _constants.ADMINST_UP
1320 ADMINST_DOWN = _constants.ADMINST_DOWN
1321 ADMINST_OFFLINE = _constants.ADMINST_OFFLINE
1322 ADMINST_ALL = _constants.ADMINST_ALL
1323
1324 # Node roles
1325 NR_REGULAR = _constants.NR_REGULAR
1326 NR_MASTER = _constants.NR_MASTER
1327 NR_MCANDIDATE = _constants.NR_MCANDIDATE
1328 NR_DRAINED = _constants.NR_DRAINED
1329 NR_OFFLINE = _constants.NR_OFFLINE
1330 NR_ALL = _constants.NR_ALL
1331
1332 # SSL certificate check constants (in days)
1333 SSL_CERT_EXPIRATION_WARN = 30
1334 SSL_CERT_EXPIRATION_ERROR = 7
1335
1336 # Allocator framework constants
1337 IALLOCATOR_VERSION = _constants.IALLOCATOR_VERSION
1338 IALLOCATOR_DIR_IN = _constants.IALLOCATOR_DIR_IN
1339 IALLOCATOR_DIR_OUT = _constants.IALLOCATOR_DIR_OUT
1340 VALID_IALLOCATOR_DIRECTIONS = _constants.VALID_IALLOCATOR_DIRECTIONS
1341
1342 IALLOCATOR_MODE_ALLOC = _constants.IALLOCATOR_MODE_ALLOC
1343 IALLOCATOR_MODE_RELOC = _constants.IALLOCATOR_MODE_RELOC
1344 IALLOCATOR_MODE_CHG_GROUP = _constants.IALLOCATOR_MODE_CHG_GROUP
1345 IALLOCATOR_MODE_NODE_EVAC = _constants.IALLOCATOR_MODE_NODE_EVAC
1346 IALLOCATOR_MODE_MULTI_ALLOC = _constants.IALLOCATOR_MODE_MULTI_ALLOC
1347 VALID_IALLOCATOR_MODES = _constants.VALID_IALLOCATOR_MODES
1348
1349 IALLOCATOR_SEARCH_PATH = _constants.IALLOCATOR_SEARCH_PATH
1350 DEFAULT_IALLOCATOR_SHORTCUT = _constants.DEFAULT_IALLOCATOR_SHORTCUT
1351
1352 # Node evacuation
1353 NODE_EVAC_PRI = _constants.NODE_EVAC_PRI
1354 NODE_EVAC_SEC = _constants.NODE_EVAC_SEC
1355 NODE_EVAC_ALL = _constants.NODE_EVAC_ALL
1356 NODE_EVAC_MODES = _constants.NODE_EVAC_MODES
1357
1358 # Job queue
1359 JOB_QUEUE_VERSION = 1
1360 JOB_QUEUE_SIZE_HARD_LIMIT = 5000
1361 JOB_QUEUE_FILES_PERMS = 0640
1362
1363 JOB_ID_TEMPLATE = r"\d+"
1364 JOB_FILE_RE = re.compile(r"^job-(%s)$" % JOB_ID_TEMPLATE)
1365
1366 # unchanged job return
1367 JOB_NOTCHANGED = "nochange"
1368
1369 # Job status
1370 JOB_STATUS_QUEUED = _constants.JOB_STATUS_QUEUED
1371 JOB_STATUS_WAITING = _constants.JOB_STATUS_WAITING
1372 JOB_STATUS_CANCELING = _constants.JOB_STATUS_CANCELING
1373 JOB_STATUS_RUNNING = _constants.JOB_STATUS_RUNNING
1374 JOB_STATUS_CANCELED = _constants.JOB_STATUS_CANCELED
1375 JOB_STATUS_SUCCESS = _constants.JOB_STATUS_SUCCESS
1376 JOB_STATUS_ERROR = _constants.JOB_STATUS_ERROR
1377 JOBS_PENDING = _constants.JOBS_PENDING
1378 JOBS_FINALIZED = _constants.JOBS_FINALIZED
1379 JOB_STATUS_ALL = _constants.JOB_STATUS_ALL
1380
1381 # OpCode status
1382 # not yet finalized
1383 OP_STATUS_QUEUED = _constants.OP_STATUS_QUEUED
1384 OP_STATUS_WAITING = _constants.OP_STATUS_WAITING
1385 OP_STATUS_CANCELING = _constants.OP_STATUS_CANCELING
1386 OP_STATUS_RUNNING = _constants.OP_STATUS_RUNNING
1387 # finalized
1388 OP_STATUS_CANCELED = _constants.OP_STATUS_CANCELED
1389 OP_STATUS_SUCCESS = _constants.OP_STATUS_SUCCESS
1390 OP_STATUS_ERROR = _constants.OP_STATUS_ERROR
1391 OPS_FINALIZED = _constants.OPS_FINALIZED
1392
1393 # OpCode priority
1394 OP_PRIO_LOWEST = _constants.OP_PRIO_LOWEST
1395 OP_PRIO_HIGHEST = _constants.OP_PRIO_HIGHEST
1396 OP_PRIO_LOW = _constants.OP_PRIO_LOW
1397 OP_PRIO_NORMAL = _constants.OP_PRIO_NORMAL
1398 OP_PRIO_HIGH = _constants.OP_PRIO_HIGH
1399 OP_PRIO_SUBMIT_VALID = _constants.OP_PRIO_SUBMIT_VALID
1400 OP_PRIO_DEFAULT = _constants.OP_PRIO_DEFAULT
1401
1402 # Lock recalculate mode
1403 LOCKS_REPLACE = "replace"
1404 LOCKS_APPEND = "append"
1405
1406 # Lock timeout (sum) before we should go into blocking acquire (still
1407 # can be reset by priority change); computed as max time (10 hours)
1408 # before we should actually go into blocking acquire given that we
1409 # start from default priority level; in seconds
1410 # TODO
1411 LOCK_ATTEMPTS_TIMEOUT = 10 * 3600 / (OP_PRIO_DEFAULT - OP_PRIO_HIGHEST)
1412 LOCK_ATTEMPTS_MAXWAIT = 15.0
1413 LOCK_ATTEMPTS_MINWAIT = 1.0
1414
1415 # Execution log types
1416 ELOG_MESSAGE = _constants.ELOG_MESSAGE
1417 ELOG_REMOTE_IMPORT = _constants.ELOG_REMOTE_IMPORT
1418 ELOG_JQUEUE_TEST = _constants.ELOG_JQUEUE_TEST
1419
1420 # /etc/hosts modification
1421 ETC_HOSTS_ADD = "add"
1422 ETC_HOSTS_REMOVE = "remove"
1423
1424 # Job queue test
1425 JQT_MSGPREFIX = "TESTMSG="
1426 JQT_EXPANDNAMES = "expandnames"
1427 JQT_EXEC = "exec"
1428 JQT_LOGMSG = "logmsg"
1429 JQT_STARTMSG = "startmsg"
1430 JQT_ALL = compat.UniqueFrozenset([
1431   JQT_EXPANDNAMES,
1432   JQT_EXEC,
1433   JQT_LOGMSG,
1434   JQT_STARTMSG,
1435   ])
1436
1437 # Query resources
1438 QR_CLUSTER = "cluster"
1439 QR_INSTANCE = "instance"
1440 QR_NODE = "node"
1441 QR_LOCK = "lock"
1442 QR_GROUP = "group"
1443 QR_OS = "os"
1444 QR_JOB = "job"
1445 QR_EXPORT = "export"
1446 QR_NETWORK = "network"
1447 QR_EXTSTORAGE = "extstorage"
1448
1449 #: List of resources which can be queried using L{opcodes.OpQuery}
1450 QR_VIA_OP = compat.UniqueFrozenset([
1451   QR_CLUSTER,
1452   QR_INSTANCE,
1453   QR_NODE,
1454   QR_GROUP,
1455   QR_OS,
1456   QR_EXPORT,
1457   QR_NETWORK,
1458   QR_EXTSTORAGE,
1459   ])
1460
1461 #: List of resources which can be queried using Local UniX Interface
1462 QR_VIA_LUXI = QR_VIA_OP.union([
1463   QR_LOCK,
1464   QR_JOB,
1465   ])
1466
1467 #: List of resources which can be queried using RAPI
1468 QR_VIA_RAPI = QR_VIA_LUXI
1469
1470 # Query field types
1471 QFT_UNKNOWN = "unknown"
1472 QFT_TEXT = "text"
1473 QFT_BOOL = "bool"
1474 QFT_NUMBER = "number"
1475 QFT_UNIT = "unit"
1476 QFT_TIMESTAMP = "timestamp"
1477 QFT_OTHER = "other"
1478
1479 #: All query field types
1480 QFT_ALL = compat.UniqueFrozenset([
1481   QFT_UNKNOWN,
1482   QFT_TEXT,
1483   QFT_BOOL,
1484   QFT_NUMBER,
1485   QFT_UNIT,
1486   QFT_TIMESTAMP,
1487   QFT_OTHER,
1488   ])
1489
1490 # Query result field status (don't change or reuse values as they're used by
1491 # clients)
1492 #: Normal field status
1493 RS_NORMAL = 0
1494 #: Unknown field
1495 RS_UNKNOWN = 1
1496 #: No data (e.g. RPC error), can be used instead of L{RS_OFFLINE}
1497 RS_NODATA = 2
1498 #: Value unavailable/unsupported for item; if this field is supported
1499 #: but we cannot get the data for the moment, RS_NODATA or
1500 #: RS_OFFLINE should be used
1501 RS_UNAVAIL = 3
1502 #: Resource marked offline
1503 RS_OFFLINE = 4
1504
1505 RS_ALL = compat.UniqueFrozenset([
1506   RS_NORMAL,
1507   RS_UNKNOWN,
1508   RS_NODATA,
1509   RS_UNAVAIL,
1510   RS_OFFLINE,
1511   ])
1512
1513 #: Dictionary with special field cases and their verbose/terse formatting
1514 RSS_DESCRIPTION = {
1515   RS_UNKNOWN: ("(unknown)", "??"),
1516   RS_NODATA: ("(nodata)", "?"),
1517   RS_OFFLINE: ("(offline)", "*"),
1518   RS_UNAVAIL: ("(unavail)", "-"),
1519   }
1520
1521 # max dynamic devices
1522 MAX_NICS = 8
1523 MAX_DISKS = 16
1524
1525 # SSCONF file prefix
1526 SSCONF_FILEPREFIX = "ssconf_"
1527 # SSCONF keys
1528 SS_CLUSTER_NAME = "cluster_name"
1529 SS_CLUSTER_TAGS = "cluster_tags"
1530 SS_FILE_STORAGE_DIR = "file_storage_dir"
1531 SS_SHARED_FILE_STORAGE_DIR = "shared_file_storage_dir"
1532 SS_MASTER_CANDIDATES = "master_candidates"
1533 SS_MASTER_CANDIDATES_IPS = "master_candidates_ips"
1534 SS_MASTER_IP = "master_ip"
1535 SS_MASTER_NETDEV = "master_netdev"
1536 SS_MASTER_NETMASK = "master_netmask"
1537 SS_MASTER_NODE = "master_node"
1538 SS_NODE_LIST = "node_list"
1539 SS_NODE_PRIMARY_IPS = "node_primary_ips"
1540 SS_NODE_SECONDARY_IPS = "node_secondary_ips"
1541 SS_OFFLINE_NODES = "offline_nodes"
1542 SS_ONLINE_NODES = "online_nodes"
1543 SS_PRIMARY_IP_FAMILY = "primary_ip_family"
1544 SS_INSTANCE_LIST = "instance_list"
1545 SS_RELEASE_VERSION = "release_version"
1546 SS_HYPERVISOR_LIST = "hypervisor_list"
1547 SS_MAINTAIN_NODE_HEALTH = "maintain_node_health"
1548 SS_UID_POOL = "uid_pool"
1549 SS_NODEGROUPS = "nodegroups"
1550 SS_NETWORKS = "networks"
1551
1552 # This is not a complete SSCONF key, but the prefix for the hypervisor keys
1553 SS_HVPARAMS_PREF = "hvparams_"
1554
1555 # Hvparams keys:
1556 SS_HVPARAMS_XEN_PVM = SS_HVPARAMS_PREF + HT_XEN_PVM
1557 SS_HVPARAMS_XEN_FAKE = SS_HVPARAMS_PREF + HT_FAKE
1558 SS_HVPARAMS_XEN_HVM = SS_HVPARAMS_PREF + HT_XEN_HVM
1559 SS_HVPARAMS_XEN_KVM = SS_HVPARAMS_PREF + HT_KVM
1560 SS_HVPARAMS_XEN_CHROOT = SS_HVPARAMS_PREF + HT_CHROOT
1561 SS_HVPARAMS_XEN_LXC = SS_HVPARAMS_PREF + HT_LXC
1562
1563 VALID_SS_HVPARAMS_KEYS = compat.UniqueFrozenset([
1564   SS_HVPARAMS_XEN_PVM,
1565   SS_HVPARAMS_XEN_FAKE,
1566   SS_HVPARAMS_XEN_HVM,
1567   SS_HVPARAMS_XEN_KVM,
1568   SS_HVPARAMS_XEN_CHROOT,
1569   SS_HVPARAMS_XEN_LXC,
1570   ])
1571
1572 SS_FILE_PERMS = 0444
1573
1574 # cluster wide default parameters
1575 DEFAULT_ENABLED_HYPERVISOR = HT_XEN_PVM
1576
1577 HVC_DEFAULTS = {
1578   HT_XEN_PVM: {
1579     HV_USE_BOOTLOADER: False,
1580     HV_BOOTLOADER_PATH: XEN_BOOTLOADER,
1581     HV_BOOTLOADER_ARGS: "",
1582     HV_KERNEL_PATH: XEN_KERNEL,
1583     HV_INITRD_PATH: "",
1584     HV_ROOT_PATH: "/dev/xvda1",
1585     HV_KERNEL_ARGS: "ro",
1586     HV_MIGRATION_PORT: 8002,
1587     HV_MIGRATION_MODE: HT_MIGRATION_LIVE,
1588     HV_BLOCKDEV_PREFIX: "sd",
1589     HV_REBOOT_BEHAVIOR: INSTANCE_REBOOT_ALLOWED,
1590     HV_CPU_MASK: CPU_PINNING_ALL,
1591     HV_CPU_CAP: 0,
1592     HV_CPU_WEIGHT: 256,
1593     HV_VIF_SCRIPT: "",
1594     HV_XEN_CMD: XEN_CMD_XM,
1595     HV_XEN_CPUID: "",
1596     HV_SOUNDHW: "",
1597     },
1598   HT_XEN_HVM: {
1599     HV_BOOT_ORDER: "cd",
1600     HV_CDROM_IMAGE_PATH: "",
1601     HV_NIC_TYPE: HT_NIC_RTL8139,
1602     HV_DISK_TYPE: HT_DISK_PARAVIRTUAL,
1603     HV_VNC_BIND_ADDRESS: IP4_ADDRESS_ANY,
1604     HV_VNC_PASSWORD_FILE: pathutils.VNC_PASSWORD_FILE,
1605     HV_ACPI: True,
1606     HV_PAE: True,
1607     HV_KERNEL_PATH: "/usr/lib/xen/boot/hvmloader",
1608     HV_DEVICE_MODEL: "/usr/lib/xen/bin/qemu-dm",
1609     HV_MIGRATION_PORT: 8002,
1610     HV_MIGRATION_MODE: HT_MIGRATION_NONLIVE,
1611     HV_USE_LOCALTIME: False,
1612     HV_BLOCKDEV_PREFIX: "hd",
1613     HV_PASSTHROUGH: "",
1614     HV_REBOOT_BEHAVIOR: INSTANCE_REBOOT_ALLOWED,
1615     HV_CPU_MASK: CPU_PINNING_ALL,
1616     HV_CPU_CAP: 0,
1617     HV_CPU_WEIGHT: 256,
1618     HV_VIF_TYPE: HT_HVM_VIF_IOEMU,
1619     HV_VIF_SCRIPT: "",
1620     HV_VIRIDIAN: False,
1621     HV_XEN_CMD: XEN_CMD_XM,
1622     HV_XEN_CPUID: "",
1623     HV_SOUNDHW: "",
1624     },
1625   HT_KVM: {
1626     HV_KVM_PATH: KVM_PATH,
1627     HV_KERNEL_PATH: KVM_KERNEL,
1628     HV_INITRD_PATH: "",
1629     HV_KERNEL_ARGS: "ro",
1630     HV_ROOT_PATH: "/dev/vda1",
1631     HV_ACPI: True,
1632     HV_SERIAL_CONSOLE: True,
1633     HV_SERIAL_SPEED: 38400,
1634     HV_VNC_BIND_ADDRESS: "",
1635     HV_VNC_TLS: False,
1636     HV_VNC_X509: "",
1637     HV_VNC_X509_VERIFY: False,
1638     HV_VNC_PASSWORD_FILE: "",
1639     HV_KVM_SPICE_BIND: "",
1640     HV_KVM_SPICE_IP_VERSION: IFACE_NO_IP_VERSION_SPECIFIED,
1641     HV_KVM_SPICE_PASSWORD_FILE: "",
1642     HV_KVM_SPICE_LOSSLESS_IMG_COMPR: "",
1643     HV_KVM_SPICE_JPEG_IMG_COMPR: "",
1644     HV_KVM_SPICE_ZLIB_GLZ_IMG_COMPR: "",
1645     HV_KVM_SPICE_STREAMING_VIDEO_DETECTION: "",
1646     HV_KVM_SPICE_AUDIO_COMPR: True,
1647     HV_KVM_SPICE_USE_TLS: False,
1648     HV_KVM_SPICE_TLS_CIPHERS: OPENSSL_CIPHERS,
1649     HV_KVM_SPICE_USE_VDAGENT: True,
1650     HV_KVM_FLOPPY_IMAGE_PATH: "",
1651     HV_CDROM_IMAGE_PATH: "",
1652     HV_KVM_CDROM2_IMAGE_PATH: "",
1653     HV_BOOT_ORDER: HT_BO_DISK,
1654     HV_NIC_TYPE: HT_NIC_PARAVIRTUAL,
1655     HV_DISK_TYPE: HT_DISK_PARAVIRTUAL,
1656     HV_KVM_CDROM_DISK_TYPE: "",
1657     HV_USB_MOUSE: "",
1658     HV_KEYMAP: "",
1659     HV_MIGRATION_PORT: 8102,
1660     HV_MIGRATION_BANDWIDTH: 32, # MiB/s
1661     HV_MIGRATION_DOWNTIME: 30,  # ms
1662     HV_MIGRATION_MODE: HT_MIGRATION_LIVE,
1663     HV_USE_LOCALTIME: False,
1664     HV_DISK_CACHE: HT_CACHE_DEFAULT,
1665     HV_SECURITY_MODEL: HT_SM_NONE,
1666     HV_SECURITY_DOMAIN: "",
1667     HV_KVM_FLAG: "",
1668     HV_VHOST_NET: False,
1669     HV_KVM_USE_CHROOT: False,
1670     HV_MEM_PATH: "",
1671     HV_REBOOT_BEHAVIOR: INSTANCE_REBOOT_ALLOWED,
1672     HV_CPU_MASK: CPU_PINNING_ALL,
1673     HV_CPU_TYPE: "",
1674     HV_CPU_CORES: 0,
1675     HV_CPU_THREADS: 0,
1676     HV_CPU_SOCKETS: 0,
1677     HV_SOUNDHW: "",
1678     HV_USB_DEVICES: "",
1679     HV_VGA: "",
1680     HV_KVM_EXTRA: "",
1681     HV_KVM_MACHINE_VERSION: "",
1682     HV_VNET_HDR: True,
1683     },
1684   HT_FAKE: {
1685     HV_MIGRATION_MODE: HT_MIGRATION_LIVE,
1686   },
1687   HT_CHROOT: {
1688     HV_INIT_SCRIPT: "/ganeti-chroot",
1689     },
1690   HT_LXC: {
1691     HV_CPU_MASK: "",
1692     },
1693   }
1694
1695 HVC_GLOBALS = compat.UniqueFrozenset([
1696   HV_MIGRATION_PORT,
1697   HV_MIGRATION_BANDWIDTH,
1698   HV_MIGRATION_MODE,
1699   HV_XEN_CMD,
1700   ])
1701
1702 BEC_DEFAULTS = {
1703   BE_MINMEM: 128,
1704   BE_MAXMEM: 128,
1705   BE_VCPUS: 1,
1706   BE_AUTO_BALANCE: True,
1707   BE_ALWAYS_FAILOVER: False,
1708   BE_SPINDLE_USE: 1,
1709   }
1710
1711 NDC_DEFAULTS = {
1712   ND_OOB_PROGRAM: "",
1713   ND_SPINDLE_COUNT: 1,
1714   ND_EXCLUSIVE_STORAGE: False,
1715   ND_OVS: False,
1716   ND_OVS_NAME: DEFAULT_OVS,
1717   ND_OVS_LINK: ""
1718   }
1719
1720 NDC_GLOBALS = compat.UniqueFrozenset([
1721   ND_EXCLUSIVE_STORAGE,
1722   ])
1723
1724 DISK_LD_DEFAULTS = {
1725   DT_DRBD8: {
1726     LDP_RESYNC_RATE: CLASSIC_DRBD_SYNC_SPEED,
1727     LDP_BARRIERS: _constants.DRBD_BARRIERS,
1728     LDP_NO_META_FLUSH: _constants.DRBD_NO_META_FLUSH,
1729     LDP_DEFAULT_METAVG: DEFAULT_VG,
1730     LDP_DISK_CUSTOM: "",
1731     LDP_NET_CUSTOM: "",
1732     LDP_PROTOCOL: DRBD_DEFAULT_NET_PROTOCOL,
1733     LDP_DYNAMIC_RESYNC: False,
1734
1735     # The default values for the DRBD dynamic resync speed algorithm
1736     # are taken from the drbsetup 8.3.11 man page, except for
1737     # c-plan-ahead (that we don't need to set to 0, because we have a
1738     # separate option to enable it) and for c-max-rate, that we cap to
1739     # the default value for the static resync rate.
1740     LDP_PLAN_AHEAD: 20, # ds
1741     LDP_FILL_TARGET: 0, # sectors
1742     LDP_DELAY_TARGET: 1, # ds
1743     LDP_MAX_RATE: CLASSIC_DRBD_SYNC_SPEED, # KiB/s
1744     LDP_MIN_RATE: 4 * 1024, # KiB/s
1745     },
1746   DT_PLAIN: {
1747     LDP_STRIPES: _constants.LVM_STRIPECOUNT
1748     },
1749   DT_FILE: {},
1750   DT_SHARED_FILE: {},
1751   DT_BLOCK: {},
1752   DT_RBD: {
1753     LDP_POOL: "rbd",
1754     LDP_ACCESS: DISK_KERNELSPACE,
1755     },
1756   DT_EXT: {},
1757   }
1758
1759 # readability shortcuts
1760 _LV_DEFAULTS = DISK_LD_DEFAULTS[DT_PLAIN]
1761 _DRBD_DEFAULTS = DISK_LD_DEFAULTS[DT_DRBD8]
1762
1763 DISK_DT_DEFAULTS = {
1764   DT_PLAIN: {
1765     LV_STRIPES: DISK_LD_DEFAULTS[DT_PLAIN][LDP_STRIPES],
1766     },
1767   DT_DRBD8: {
1768     DRBD_RESYNC_RATE: _DRBD_DEFAULTS[LDP_RESYNC_RATE],
1769     DRBD_DATA_STRIPES: _LV_DEFAULTS[LDP_STRIPES],
1770     DRBD_META_STRIPES: _LV_DEFAULTS[LDP_STRIPES],
1771     DRBD_DISK_BARRIERS: _DRBD_DEFAULTS[LDP_BARRIERS],
1772     DRBD_META_BARRIERS: _DRBD_DEFAULTS[LDP_NO_META_FLUSH],
1773     DRBD_DEFAULT_METAVG: _DRBD_DEFAULTS[LDP_DEFAULT_METAVG],
1774     DRBD_DISK_CUSTOM: _DRBD_DEFAULTS[LDP_DISK_CUSTOM],
1775     DRBD_NET_CUSTOM: _DRBD_DEFAULTS[LDP_NET_CUSTOM],
1776     DRBD_PROTOCOL: _DRBD_DEFAULTS[LDP_PROTOCOL],
1777     DRBD_DYNAMIC_RESYNC: _DRBD_DEFAULTS[LDP_DYNAMIC_RESYNC],
1778     DRBD_PLAN_AHEAD: _DRBD_DEFAULTS[LDP_PLAN_AHEAD],
1779     DRBD_FILL_TARGET: _DRBD_DEFAULTS[LDP_FILL_TARGET],
1780     DRBD_DELAY_TARGET: _DRBD_DEFAULTS[LDP_DELAY_TARGET],
1781     DRBD_MAX_RATE: _DRBD_DEFAULTS[LDP_MAX_RATE],
1782     DRBD_MIN_RATE: _DRBD_DEFAULTS[LDP_MIN_RATE],
1783     },
1784   DT_DISKLESS: {},
1785   DT_FILE: {},
1786   DT_SHARED_FILE: {},
1787   DT_BLOCK: {},
1788   DT_RBD: {
1789     RBD_POOL: DISK_LD_DEFAULTS[DT_RBD][LDP_POOL],
1790     RBD_ACCESS: DISK_LD_DEFAULTS[DT_RBD][LDP_ACCESS],
1791     },
1792   DT_EXT: {},
1793   }
1794
1795 # we don't want to export the shortcuts
1796 del _LV_DEFAULTS, _DRBD_DEFAULTS
1797
1798 NICC_DEFAULTS = {
1799   NIC_MODE: NIC_MODE_BRIDGED,
1800   NIC_LINK: DEFAULT_BRIDGE,
1801   NIC_VLAN: VALUE_HS_NOTHING,
1802   }
1803
1804 # All of the following values are quite arbitrarily - there are no
1805 # "good" defaults, these must be customised per-site
1806 ISPECS_MINMAX_DEFAULTS = {
1807   ISPECS_MIN: {
1808     ISPEC_MEM_SIZE: 128,
1809     ISPEC_CPU_COUNT: 1,
1810     ISPEC_DISK_COUNT: 1,
1811     ISPEC_DISK_SIZE: 1024,
1812     ISPEC_NIC_COUNT: 1,
1813     ISPEC_SPINDLE_USE: 1,
1814     },
1815   ISPECS_MAX: {
1816     ISPEC_MEM_SIZE: 32768,
1817     ISPEC_CPU_COUNT: 8,
1818     ISPEC_DISK_COUNT: MAX_DISKS,
1819     ISPEC_DISK_SIZE: 1024 * 1024,
1820     ISPEC_NIC_COUNT: MAX_NICS,
1821     ISPEC_SPINDLE_USE: 12,
1822     },
1823   }
1824 IPOLICY_DEFAULTS = {
1825   ISPECS_MINMAX: [ISPECS_MINMAX_DEFAULTS],
1826   ISPECS_STD: {
1827     ISPEC_MEM_SIZE: 128,
1828     ISPEC_CPU_COUNT: 1,
1829     ISPEC_DISK_COUNT: 1,
1830     ISPEC_DISK_SIZE: 1024,
1831     ISPEC_NIC_COUNT: 1,
1832     ISPEC_SPINDLE_USE: 1,
1833     },
1834   IPOLICY_DTS: list(DISK_TEMPLATES),
1835   IPOLICY_VCPU_RATIO: 4.0,
1836   IPOLICY_SPINDLE_RATIO: 32.0,
1837   }
1838
1839 MASTER_POOL_SIZE_DEFAULT = 10
1840
1841 # Exclusive storage:
1842 # Error margin used to compare physical disks
1843 PART_MARGIN = .01
1844 # Space reserved when creating instance disks
1845 PART_RESERVED = .02
1846
1847 CONFD_PROTOCOL_VERSION = _constants.CONFD_PROTOCOL_VERSION
1848
1849 CONFD_REQ_PING = _constants.CONFD_REQ_PING
1850 CONFD_REQ_NODE_ROLE_BYNAME = _constants.CONFD_REQ_NODE_ROLE_BYNAME
1851 CONFD_REQ_NODE_PIP_BY_INSTANCE_IP = _constants.CONFD_REQ_NODE_PIP_BY_INSTANCE_IP
1852 CONFD_REQ_CLUSTER_MASTER = _constants.CONFD_REQ_CLUSTER_MASTER
1853 CONFD_REQ_NODE_PIP_LIST = _constants.CONFD_REQ_NODE_PIP_LIST
1854 CONFD_REQ_MC_PIP_LIST = _constants.CONFD_REQ_MC_PIP_LIST
1855 CONFD_REQ_INSTANCES_IPS_LIST = _constants.CONFD_REQ_INSTANCES_IPS_LIST
1856 CONFD_REQ_NODE_DRBD = _constants.CONFD_REQ_NODE_DRBD
1857 CONFD_REQ_NODE_INSTANCES = _constants.CONFD_REQ_NODE_INSTANCES
1858 CONFD_REQS = _constants.CONFD_REQS
1859
1860 # Confd request query fields. These are used to narrow down queries.
1861 # These must be strings rather than integers, because json-encoding
1862 # converts them to strings anyway, as they're used as dict-keys.
1863 CONFD_REQQ_LINK = _constants.CONFD_REQQ_LINK
1864 CONFD_REQQ_IP = _constants.CONFD_REQQ_IP
1865 CONFD_REQQ_IPLIST = _constants.CONFD_REQQ_IPLIST
1866 CONFD_REQQ_FIELDS = _constants.CONFD_REQQ_FIELDS
1867
1868 # FIXME: perhaps update code that uses these constants to deal with
1869 # integers instead of strings
1870 CONFD_REQFIELD_NAME = str(_constants.CONFD_REQFIELD_NAME)
1871 CONFD_REQFIELD_IP = str(_constants.CONFD_REQFIELD_IP)
1872 CONFD_REQFIELD_MNODE_PIP = str(_constants.CONFD_REQFIELD_MNODE_PIP)
1873
1874 CONFD_REPL_STATUS_OK = _constants.CONFD_REPL_STATUS_OK
1875 CONFD_REPL_STATUS_ERROR = _constants.CONFD_REPL_STATUS_ERROR
1876 CONFD_REPL_STATUS_NOTIMPLEMENTED = _constants.CONFD_REPL_STATUS_NOTIMPLEMENTED
1877 CONFD_REPL_STATUSES = _constants.CONFD_REPL_STATUSES
1878
1879 CONFD_NODE_ROLE_MASTER = _constants.CONFD_NODE_ROLE_MASTER
1880 CONFD_NODE_ROLE_CANDIDATE = _constants.CONFD_NODE_ROLE_CANDIDATE
1881 CONFD_NODE_ROLE_OFFLINE = _constants.CONFD_NODE_ROLE_OFFLINE
1882 CONFD_NODE_ROLE_DRAINED = _constants.CONFD_NODE_ROLE_DRAINED
1883 CONFD_NODE_ROLE_REGULAR = _constants.CONFD_NODE_ROLE_REGULAR
1884
1885 CONFD_ERROR_UNKNOWN_ENTRY = _constants.CONFD_ERROR_UNKNOWN_ENTRY
1886 CONFD_ERROR_INTERNAL = _constants.CONFD_ERROR_INTERNAL
1887 CONFD_ERROR_ARGUMENT = _constants.CONFD_ERROR_ARGUMENT
1888
1889 # Each request is "salted" by the current timestamp.
1890 # This constants decides how many seconds of skew to accept.
1891 # TODO: make this a default and allow the value to be more configurable
1892 CONFD_MAX_CLOCK_SKEW = _constants.CONFD_MAX_CLOCK_SKEW
1893
1894 # When we haven't reloaded the config for more than this amount of
1895 # seconds, we force a test to see if inotify is betraying us. Using a
1896 # prime number to ensure we get less chance of 'same wakeup' with
1897 # other processes.
1898 CONFD_CONFIG_RELOAD_TIMEOUT = _constants.CONFD_CONFIG_RELOAD_TIMEOUT
1899
1900 # If we receive more than one update in this amount of microseconds,
1901 # we move to polling every RATELIMIT seconds, rather than relying on
1902 # inotify, to be able to serve more requests.
1903 CONFD_CONFIG_RELOAD_RATELIMIT = _constants.CONFD_CONFIG_RELOAD_RATELIMIT
1904
1905 # Magic number prepended to all confd queries.
1906 # This allows us to distinguish different types of confd protocols and handle
1907 # them. For example by changing this we can move the whole payload to be
1908 # compressed, or move away from json.
1909 CONFD_MAGIC_FOURCC = _constants.CONFD_MAGIC_FOURCC
1910
1911 # By default a confd request is sent to the minimum between this number and all
1912 # MCs. 6 was chosen because even in the case of a disastrous 50% response rate,
1913 # we should have enough answers to be able to compare more than one.
1914 CONFD_DEFAULT_REQ_COVERAGE = _constants.CONFD_DEFAULT_REQ_COVERAGE
1915
1916 # Timeout in seconds to expire pending query request in the confd client
1917 # library. We don't actually expect any answer more than 10 seconds after we
1918 # sent a request.
1919 CONFD_CLIENT_EXPIRE_TIMEOUT = _constants.CONFD_CLIENT_EXPIRE_TIMEOUT
1920
1921 # Maximum UDP datagram size.
1922 # On IPv4: 64K - 20 (ip header size) - 8 (udp header size) = 65507
1923 # On IPv6: 64K - 40 (ip6 header size) - 8 (udp header size) = 65487
1924 #   (assuming we can't use jumbo frames)
1925 # We just set this to 60K, which should be enough
1926 MAX_UDP_DATA_SIZE = 61440
1927
1928 # User-id pool minimum/maximum acceptable user-ids.
1929 UIDPOOL_UID_MIN = 0
1930 UIDPOOL_UID_MAX = 2 ** 32 - 1 # Assuming 32 bit user-ids
1931
1932 # Name or path of the pgrep command
1933 PGREP = "pgrep"
1934
1935 # Name of the node group that gets created at cluster init or upgrade
1936 INITIAL_NODE_GROUP_NAME = "default"
1937
1938 # Possible values for NodeGroup.alloc_policy
1939 ALLOC_POLICY_PREFERRED = _constants.ALLOC_POLICY_PREFERRED
1940 ALLOC_POLICY_LAST_RESORT = _constants.ALLOC_POLICY_LAST_RESORT
1941 ALLOC_POLICY_UNALLOCABLE = _constants.ALLOC_POLICY_UNALLOCABLE
1942 VALID_ALLOC_POLICIES = _constants.VALID_ALLOC_POLICIES
1943
1944 # Temporary external/shared storage parameters
1945 BLOCKDEV_DRIVER_MANUAL = _constants.BLOCKDEV_DRIVER_MANUAL
1946
1947 # qemu-img path, required for ovfconverter
1948 QEMUIMG_PATH = _constants.QEMUIMG_PATH
1949
1950 # Whether htools was enabled at compilation time
1951 HTOOLS = _constants.HTOOLS
1952 # The hail iallocator
1953 IALLOC_HAIL = "hail"
1954
1955 # Fake opcodes for functions that have hooks attached to them via
1956 # backend.RunLocalHooks
1957 FAKE_OP_MASTER_TURNUP = "OP_CLUSTER_IP_TURNUP"
1958 FAKE_OP_MASTER_TURNDOWN = "OP_CLUSTER_IP_TURNDOWN"
1959
1960 # SSH key types
1961 SSHK_RSA = "rsa"
1962 SSHK_DSA = "dsa"
1963 SSHK_ALL = compat.UniqueFrozenset([SSHK_RSA, SSHK_DSA])
1964
1965 # SSH authorized key types
1966 SSHAK_RSA = "ssh-rsa"
1967 SSHAK_DSS = "ssh-dss"
1968 SSHAK_ALL = compat.UniqueFrozenset([SSHAK_RSA, SSHAK_DSS])
1969
1970 # SSH setup
1971 SSHS_CLUSTER_NAME = "cluster_name"
1972 SSHS_SSH_HOST_KEY = "ssh_host_key"
1973 SSHS_SSH_ROOT_KEY = "ssh_root_key"
1974 SSHS_NODE_DAEMON_CERTIFICATE = "node_daemon_certificate"
1975
1976 #: Key files for SSH daemon
1977 SSH_DAEMON_KEYFILES = {
1978   SSHK_RSA: (pathutils.SSH_HOST_RSA_PRIV, pathutils.SSH_HOST_RSA_PUB),
1979   SSHK_DSA: (pathutils.SSH_HOST_DSA_PRIV, pathutils.SSH_HOST_DSA_PUB),
1980   }
1981
1982 # Node daemon setup
1983 NDS_CLUSTER_NAME = "cluster_name"
1984 NDS_NODE_DAEMON_CERTIFICATE = "node_daemon_certificate"
1985 NDS_SSCONF = "ssconf"
1986 NDS_START_NODE_DAEMON = "start_node_daemon"
1987
1988 # Path generating random UUID
1989 RANDOM_UUID_FILE = _constants.RANDOM_UUID_FILE
1990
1991 # Regex string for verifying a UUID
1992 UUID_REGEX = "^[a-f0-9]{8}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{12}$"
1993
1994 # Auto-repair tag prefixes
1995 AUTO_REPAIR_TAG_PREFIX = _constants.AUTO_REPAIR_TAG_PREFIX
1996 AUTO_REPAIR_TAG_ENABLED = _constants.AUTO_REPAIR_TAG_ENABLED
1997 AUTO_REPAIR_TAG_SUSPENDED = _constants.AUTO_REPAIR_TAG_SUSPENDED
1998 AUTO_REPAIR_TAG_PENDING = _constants.AUTO_REPAIR_TAG_PENDING
1999 AUTO_REPAIR_TAG_RESULT = _constants.AUTO_REPAIR_TAG_RESULT
2000
2001 # Auto-repair levels
2002 AUTO_REPAIR_FIX_STORAGE = _constants.AUTO_REPAIR_FIX_STORAGE
2003 AUTO_REPAIR_MIGRATE = _constants.AUTO_REPAIR_MIGRATE
2004 AUTO_REPAIR_FAILOVER = _constants.AUTO_REPAIR_FAILOVER
2005 AUTO_REPAIR_REINSTALL = _constants.AUTO_REPAIR_REINSTALL
2006 AUTO_REPAIR_ALL_TYPES = _constants.AUTO_REPAIR_ALL_TYPES
2007
2008 # Auto-repair results
2009 AUTO_REPAIR_SUCCESS = _constants.AUTO_REPAIR_SUCCESS
2010 AUTO_REPAIR_FAILURE = _constants.AUTO_REPAIR_FAILURE
2011 AUTO_REPAIR_ENOPERM = _constants.AUTO_REPAIR_ENOPERM
2012 AUTO_REPAIR_ALL_RESULTS = _constants.AUTO_REPAIR_ALL_RESULTS
2013
2014 # The version identifier for builtin data collectors
2015 BUILTIN_DATA_COLLECTOR_VERSION = _constants.BUILTIN_DATA_COLLECTOR_VERSION
2016
2017 # The reason trail opcode parameter name
2018 OPCODE_REASON = _constants.OPCODE_REASON
2019
2020 # The source reasons for the execution of an OpCode
2021 OPCODE_REASON_SRC_CLIENT = "gnt:client"
2022 OPCODE_REASON_SRC_NODED = "gnt:daemon:noded"
2023 OPCODE_REASON_SRC_OPCODE = "gnt:opcode"
2024 OPCODE_REASON_SRC_RLIB2 = "gnt:library:rlib2"
2025 OPCODE_REASON_SRC_USER = "gnt:user"
2026
2027 OPCODE_REASON_SOURCES = compat.UniqueFrozenset([
2028   OPCODE_REASON_SRC_CLIENT,
2029   OPCODE_REASON_SRC_NODED,
2030   OPCODE_REASON_SRC_OPCODE,
2031   OPCODE_REASON_SRC_RLIB2,
2032   OPCODE_REASON_SRC_USER,
2033   ])
2034
2035 DISKSTATS_FILE = _constants.DISKSTATS_FILE
2036
2037 # CPU load collector variables
2038 STAT_FILE = _constants.STAT_FILE
2039 CPUAVGLOAD_BUFFER_SIZE = _constants.CPUAVGLOAD_BUFFER_SIZE
2040 CPUAVGLOAD_WINDOW_SIZE = _constants.CPUAVGLOAD_WINDOW_SIZE
2041
2042 # Mond's variable for periodical data collection
2043 MOND_TIME_INTERVAL = _constants.MOND_TIME_INTERVAL
2044
2045 # MonD's latest API version
2046 MOND_LATEST_API_VERSION = 1
2047
2048 # Timeouts for upgrades
2049
2050 UPGRADE_QUEUE_DRAIN_TIMEOUT = _constants.UPGRADE_QUEUE_DRAIN_TIMEOUT
2051 UPGRADE_QUEUE_POLL_INTERVAL = _constants.UPGRADE_QUEUE_POLL_INTERVAL
2052
2053 # Do not re-export imported modules
2054 del re, _vcsversion, _constants, socket, pathutils, compat
2055
2056
2057 ALLOCATABLE_KEY = "allocatable"
2058 FAILED_KEY = "failed"