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 # drbd constants
 312 DRBD_HMAC_ALG = "md5"
 313 DRBD_DEFAULT_NET_PROTOCOL = "C"
 314 DRBD_MIGRATION_NET_PROTOCOL = "C"
 315 DRBD_STATUS_FILE = "/proc/drbd"
 316
 317 #: Size of DRBD meta block device
 318 DRBD_META_SIZE = 128
 319
 320 DTS_INT_MIRROR = _constants.DTS_INT_MIRROR
 321 DTS_EXT_MIRROR = _constants.DTS_EXT_MIRROR
 322 DTS_NOT_LVM = _constants.DTS_NOT_LVM
 323 DTS_GROWABLE = _constants.DTS_GROWABLE
 324 DTS_MAY_ADOPT = _constants.DTS_MAY_ADOPT
 325 DTS_MUST_ADOPT = _constants.DTS_MUST_ADOPT
 326 DTS_MIRRORED = _constants.DTS_MIRRORED
 327 DTS_FILEBASED = _constants.DTS_FILEBASED
 328 DTS_COPYABLE = _constants.DTS_COPYABLE
 329 DTS_EXCL_STORAGE = _constants.DTS_EXCL_STORAGE
 330 DTS_NO_FREE_SPACE_CHECK = _constants.DTS_NO_FREE_SPACE_CHECK
 331 DTS_BLOCK = _constants.DTS_BLOCK
 332 # drbd barrier types
 333 DRBD_B_NONE = "n"
 334 DRBD_B_DISK_BARRIERS = "b"
 335 DRBD_B_DISK_DRAIN = "d"
 336 DRBD_B_DISK_FLUSH = "f"
 337
 338 # Valid barrier combinations: "n" or any non-null subset of "bfd"
 339 DRBD_VALID_BARRIER_OPT = compat.UniqueFrozenset([
 340   frozenset([DRBD_B_NONE]),
 341   frozenset([DRBD_B_DISK_BARRIERS]),
 342   frozenset([DRBD_B_DISK_DRAIN]),
 343   frozenset([DRBD_B_DISK_FLUSH]),
 344   frozenset([DRBD_B_DISK_DRAIN, DRBD_B_DISK_FLUSH]),
 345   frozenset([DRBD_B_DISK_BARRIERS, DRBD_B_DISK_DRAIN]),
 346   frozenset([DRBD_B_DISK_BARRIERS, DRBD_B_DISK_FLUSH]),
 347   frozenset([DRBD_B_DISK_BARRIERS, DRBD_B_DISK_FLUSH, DRBD_B_DISK_DRAIN]),
 348   ])
 349
 350 # rbd tool command
 351 RBD_CMD = "rbd"
 352
 353 FD_BLKTAP = _constants.FD_BLKTAP
 354 FD_LOOP = _constants.FD_LOOP
 355 FILE_DRIVER = _constants.FILE_DRIVER
 356
 357 LDS_DRBD = _constants.LDS_DRBD
 358
 359 # disk access mode
 360 DISK_RDONLY = _constants.DISK_RDONLY
 361 DISK_RDWR = _constants.DISK_RDWR
 362 DISK_ACCESS_SET = _constants.DISK_ACCESS_SET
 363 DISK_USERSPACE = _constants.DISK_USERSPACE
 364 DISK_KERNELSPACE = _constants.DISK_KERNELSPACE
 365 DISK_VALID_ACCESS_MODES = _constants.DISK_VALID_ACCESS_MODES
 366
 367 REPLACE_DISK_PRI = _constants.REPLACE_DISK_PRI
 368 REPLACE_DISK_SEC = _constants.REPLACE_DISK_SEC
 369 REPLACE_DISK_CHG = _constants.REPLACE_DISK_CHG
 370 REPLACE_DISK_AUTO = _constants.REPLACE_DISK_AUTO
 371 REPLACE_MODES = _constants.REPLACE_MODES
 372
 373 # Instance export mode
 374 EXPORT_MODE_LOCAL = _constants.EXPORT_MODE_LOCAL
 375 EXPORT_MODE_REMOTE = _constants.EXPORT_MODE_REMOTE
 376 EXPORT_MODES = _constants.EXPORT_MODES
 377
 378 # instance creation modes
 379 INSTANCE_CREATE = _constants.INSTANCE_CREATE
 380 INSTANCE_IMPORT = _constants.INSTANCE_IMPORT
 381 INSTANCE_REMOTE_IMPORT = _constants.INSTANCE_REMOTE_IMPORT
 382 INSTANCE_CREATE_MODES = _constants.INSTANCE_CREATE_MODES
 383
 384 # Remote import/export handshake message and version
 385 RIE_VERSION = 0
 386 RIE_HANDSHAKE = "Hi, I'm Ganeti"
 387
 388 # Remote import/export certificate validity in seconds
 389 RIE_CERT_VALIDITY = 24 * 60 * 60
 390
 391 # Overall timeout for establishing connection
 392 RIE_CONNECT_TIMEOUT = 180
 393
 394 # Export only: how long to wait per connection attempt (seconds)
 395 RIE_CONNECT_ATTEMPT_TIMEOUT = 20
 396
 397 # Export only: number of attempts to connect
 398 RIE_CONNECT_RETRIES = 10
 399
 400 #: Give child process up to 5 seconds to exit after sending a signal
 401 CHILD_LINGER_TIMEOUT = 5.0
 402
 403
 404 # import/export config options
 405 INISECT_EXP = "export"
 406 INISECT_INS = "instance"
 407 INISECT_HYP = "hypervisor"
 408 INISECT_BEP = "backend"
 409 INISECT_OSP = "os"
 410
 411 # dynamic device modification
 412 DDM_ADD = _constants.DDM_ADD
 413 DDM_MODIFY = _constants.DDM_MODIFY
 414 DDM_REMOVE = _constants.DDM_REMOVE
 415 DDMS_VALUES = _constants.DDMS_VALUES
 416 DDMS_VALUES_WITH_MODIFY = _constants.DDMS_VALUES_WITH_MODIFY
 417 # TODO: DDM_SWAP, DDM_MOVE?
 418
 419 # common exit codes
 420 EXIT_SUCCESS = _constants.EXIT_SUCCESS
 421 EXIT_FAILURE = _constants.EXIT_FAILURE
 422 EXIT_NOTCLUSTER = _constants.EXIT_NOTCLUSTER
 423 EXIT_NOTMASTER = _constants.EXIT_NOTMASTER
 424 EXIT_NODESETUP_ERROR = _constants.EXIT_NODESETUP_ERROR
 425 EXIT_CONFIRMATION = _constants.EXIT_CONFIRMATION # need user confirmation
 426
 427 #: Exit code for query operations with unknown fields
 428 EXIT_UNKNOWN_FIELD = _constants.EXIT_UNKNOWN_FIELD
 429
 430 # tags
 431 TAG_CLUSTER = _constants.TAG_CLUSTER
 432 TAG_NODEGROUP = _constants.TAG_NODEGROUP
 433 TAG_NODE = _constants.TAG_NODE
 434 TAG_INSTANCE = _constants.TAG_INSTANCE
 435 TAG_NETWORK = _constants.TAG_NETWORK
 436 VALID_TAG_TYPES = _constants.VALID_TAG_TYPES
 437
 438 MAX_TAG_LEN = _constants.MAX_TAG_LEN
 439 MAX_TAGS_PER_OBJ = _constants.MAX_TAGS_PER_OBJ
 440
 441 # others
 442 DEFAULT_BRIDGE = "xen-br0"
 443 DEFAULT_OVS = "switch1"
 444 CLASSIC_DRBD_SYNC_SPEED = 60 * 1024  # 60 MiB, expressed in KiB
 445 IP4_ADDRESS_LOCALHOST = "127.0.0.1"
 446 IP4_ADDRESS_ANY = "0.0.0.0"
 447 IP6_ADDRESS_LOCALHOST = "::1"
 448 IP6_ADDRESS_ANY = "::"
 449 IP4_VERSION = 4
 450 IP6_VERSION = 6
 451 VALID_IP_VERSIONS = compat.UniqueFrozenset([IP4_VERSION, IP6_VERSION])
 452 # for export to htools
 453 IP4_FAMILY = socket.AF_INET
 454 IP6_FAMILY = socket.AF_INET6
 455
 456 TCP_PING_TIMEOUT = 10
 457 DEFAULT_VG = "xenvg"
 458 DEFAULT_DRBD_HELPER = "/bin/true"
 459 MIN_VG_SIZE = 20480
 460 DEFAULT_MAC_PREFIX = "aa:00:00"
 461 # default maximum instance wait time, in seconds.
 462 DEFAULT_SHUTDOWN_TIMEOUT = 120
 463 NODE_MAX_CLOCK_SKEW = _constants.NODE_MAX_CLOCK_SKEW
 464 # Time for an intra-cluster disk transfer to wait for a connection
 465 DISK_TRANSFER_CONNECT_TIMEOUT = 60
 466 # Disk index separator
 467 DISK_SEPARATOR = _constants.DISK_SEPARATOR
 468 IP_COMMAND_PATH = _constants.IP_COMMAND_PATH
 469
 470 RPC_TMO_URGENT = _constants.RPC_TMO_URGENT
 471 RPC_TMO_FAST = _constants.RPC_TMO_FAST
 472 RPC_TMO_NORMAL = _constants.RPC_TMO_NORMAL
 473 RPC_TMO_SLOW = _constants.RPC_TMO_SLOW
 474 RPC_TMO_4HRS = _constants.RPC_TMO_4HRS
 475 RPC_TMO_1DAY = _constants.RPC_TMO_1DAY
 476 RPC_CONNECT_TIMEOUT = _constants.RPC_CONNECT_TIMEOUT
 477
 478 #: Key for job IDs in opcode result
 479 JOB_IDS_KEY = "jobs"
 480
 481 # runparts results
 482 (RUNPARTS_SKIP,
 483  RUNPARTS_RUN,
 484  RUNPARTS_ERR) = range(3)
 485
 486 RUNPARTS_STATUS = compat.UniqueFrozenset([
 487   RUNPARTS_SKIP,
 488   RUNPARTS_RUN,
 489   RUNPARTS_ERR,
 490   ])
 491
 492 # RPC constants
 493 (RPC_ENCODING_NONE,
 494  RPC_ENCODING_ZLIB_BASE64) = range(2)
 495
 496 # os related constants
 497 OS_SCRIPT_CREATE = "create"
 498 OS_SCRIPT_IMPORT = "import"
 499 OS_SCRIPT_EXPORT = "export"
 500 OS_SCRIPT_RENAME = "rename"
 501 OS_SCRIPT_VERIFY = "verify"
 502 OS_SCRIPTS = compat.UniqueFrozenset([
 503   OS_SCRIPT_CREATE,
 504   OS_SCRIPT_IMPORT,
 505   OS_SCRIPT_EXPORT,
 506   OS_SCRIPT_RENAME,
 507   OS_SCRIPT_VERIFY,
 508   ])
 509
 510 OS_API_FILE = "ganeti_api_version"
 511 OS_VARIANTS_FILE = "variants.list"
 512 OS_PARAMETERS_FILE = "parameters.list"
 513
 514 OS_VALIDATE_PARAMETERS = "parameters"
 515 OS_VALIDATE_CALLS = compat.UniqueFrozenset([OS_VALIDATE_PARAMETERS])
 516
 517 # External Storage (ES) related constants
 518 ES_ACTION_CREATE = "create"
 519 ES_ACTION_REMOVE = "remove"
 520 ES_ACTION_GROW = "grow"
 521 ES_ACTION_ATTACH = "attach"
 522 ES_ACTION_DETACH = "detach"
 523 ES_ACTION_SETINFO = "setinfo"
 524 ES_ACTION_VERIFY = "verify"
 525
 526 ES_SCRIPT_CREATE = ES_ACTION_CREATE
 527 ES_SCRIPT_REMOVE = ES_ACTION_REMOVE
 528 ES_SCRIPT_GROW = ES_ACTION_GROW
 529 ES_SCRIPT_ATTACH = ES_ACTION_ATTACH
 530 ES_SCRIPT_DETACH = ES_ACTION_DETACH
 531 ES_SCRIPT_SETINFO = ES_ACTION_SETINFO
 532 ES_SCRIPT_VERIFY = ES_ACTION_VERIFY
 533 ES_SCRIPTS = frozenset([
 534   ES_SCRIPT_CREATE,
 535   ES_SCRIPT_REMOVE,
 536   ES_SCRIPT_GROW,
 537   ES_SCRIPT_ATTACH,
 538   ES_SCRIPT_DETACH,
 539   ES_SCRIPT_SETINFO,
 540   ES_SCRIPT_VERIFY
 541   ])
 542
 543 ES_PARAMETERS_FILE = "parameters.list"
 544
 545 # reboot types
 546 INSTANCE_REBOOT_SOFT = _constants.INSTANCE_REBOOT_SOFT
 547 INSTANCE_REBOOT_HARD = _constants.INSTANCE_REBOOT_HARD
 548 INSTANCE_REBOOT_FULL = _constants.INSTANCE_REBOOT_FULL
 549 REBOOT_TYPES = _constants.REBOOT_TYPES
 550
 551 # instance reboot behaviors
 552 INSTANCE_REBOOT_ALLOWED = "reboot"
 553 INSTANCE_REBOOT_EXIT = "exit"
 554
 555 REBOOT_BEHAVIORS = compat.UniqueFrozenset([
 556   INSTANCE_REBOOT_ALLOWED,
 557   INSTANCE_REBOOT_EXIT,
 558   ])
 559
 560 VTYPE_STRING = _constants.VTYPE_STRING
 561 VTYPE_MAYBE_STRING = _constants.VTYPE_MAYBE_STRING
 562 VTYPE_BOOL = _constants.VTYPE_BOOL
 563 VTYPE_SIZE = _constants.VTYPE_SIZE
 564 VTYPE_INT = _constants.VTYPE_INT
 565 ENFORCEABLE_TYPES = _constants.ENFORCEABLE_TYPES
 566
 567 # Constant representing that the user does not specify any IP version
 568 IFACE_NO_IP_VERSION_SPECIFIED = 0
 569
 570 VALID_SERIAL_SPEEDS = compat.UniqueFrozenset([
 571   75,
 572   110,
 573   300,
 574   600,
 575   1200,
 576   1800,
 577   2400,
 578   4800,
 579   9600,
 580   14400,
 581   19200,
 582   28800,
 583   38400,
 584   57600,
 585   115200,
 586   230400,
 587   345600,
 588   460800,
 589   ])
 590
 591 # HV parameter names (global namespace)
 592 HV_BOOT_ORDER = "boot_order"
 593 HV_CDROM_IMAGE_PATH = "cdrom_image_path"
 594 HV_KVM_CDROM2_IMAGE_PATH = "cdrom2_image_path"
 595 HV_KVM_FLOPPY_IMAGE_PATH = "floppy_image_path"
 596 HV_NIC_TYPE = "nic_type"
 597 HV_DISK_TYPE = "disk_type"
 598 HV_KVM_CDROM_DISK_TYPE = "cdrom_disk_type"
 599 HV_VNC_BIND_ADDRESS = "vnc_bind_address"
 600 HV_VNC_PASSWORD_FILE = "vnc_password_file"
 601 HV_VNC_TLS = "vnc_tls"
 602 HV_VNC_X509 = "vnc_x509_path"
 603 HV_VNC_X509_VERIFY = "vnc_x509_verify"
 604 HV_KVM_SPICE_BIND = "spice_bind"
 605 HV_KVM_SPICE_IP_VERSION = "spice_ip_version"
 606 HV_KVM_SPICE_PASSWORD_FILE = "spice_password_file"
 607 HV_KVM_SPICE_LOSSLESS_IMG_COMPR = "spice_image_compression"
 608 HV_KVM_SPICE_JPEG_IMG_COMPR = "spice_jpeg_wan_compression"
 609 HV_KVM_SPICE_ZLIB_GLZ_IMG_COMPR = "spice_zlib_glz_wan_compression"
 610 HV_KVM_SPICE_STREAMING_VIDEO_DETECTION = "spice_streaming_video"
 611 HV_KVM_SPICE_AUDIO_COMPR = "spice_playback_compression"
 612 HV_KVM_SPICE_USE_TLS = "spice_use_tls"
 613 HV_KVM_SPICE_TLS_CIPHERS = "spice_tls_ciphers"
 614 HV_KVM_SPICE_USE_VDAGENT = "spice_use_vdagent"
 615 HV_ACPI = "acpi"
 616 HV_PAE = "pae"
 617 HV_USE_BOOTLOADER = "use_bootloader"
 618 HV_BOOTLOADER_ARGS = "bootloader_args"
 619 HV_BOOTLOADER_PATH = "bootloader_path"
 620 HV_KERNEL_ARGS = "kernel_args"
 621 HV_KERNEL_PATH = "kernel_path"
 622 HV_INITRD_PATH = "initrd_path"
 623 HV_ROOT_PATH = "root_path"
 624 HV_SERIAL_CONSOLE = "serial_console"
 625 HV_SERIAL_SPEED = "serial_speed"
 626 HV_USB_MOUSE = "usb_mouse"
 627 HV_KEYMAP = "keymap"
 628 HV_DEVICE_MODEL = "device_model"
 629 HV_INIT_SCRIPT = "init_script"
 630 HV_MIGRATION_PORT = "migration_port"
 631 HV_MIGRATION_BANDWIDTH = "migration_bandwidth"
 632 HV_MIGRATION_DOWNTIME = "migration_downtime"
 633 HV_MIGRATION_MODE = "migration_mode"
 634 HV_USE_LOCALTIME = "use_localtime"
 635 HV_DISK_CACHE = "disk_cache"
 636 HV_SECURITY_MODEL = "security_model"
 637 HV_SECURITY_DOMAIN = "security_domain"
 638 HV_KVM_FLAG = "kvm_flag"
 639 HV_VHOST_NET = "vhost_net"
 640 HV_KVM_USE_CHROOT = "use_chroot"
 641 HV_CPU_MASK = "cpu_mask"
 642 HV_MEM_PATH = "mem_path"
 643 HV_PASSTHROUGH = "pci_pass"
 644 HV_BLOCKDEV_PREFIX = "blockdev_prefix"
 645 HV_REBOOT_BEHAVIOR = "reboot_behavior"
 646 HV_CPU_TYPE = "cpu_type"
 647 HV_CPU_CAP = "cpu_cap"
 648 HV_CPU_WEIGHT = "cpu_weight"
 649 HV_CPU_CORES = "cpu_cores"
 650 HV_CPU_THREADS = "cpu_threads"
 651 HV_CPU_SOCKETS = "cpu_sockets"
 652 HV_SOUNDHW = "soundhw"
 653 HV_USB_DEVICES = "usb_devices"
 654 HV_VGA = "vga"
 655 HV_KVM_EXTRA = "kvm_extra"
 656 HV_KVM_MACHINE_VERSION = "machine_version"
 657 HV_KVM_PATH = "kvm_path"
 658 HV_VIF_TYPE = "vif_type"
 659 HV_VIF_SCRIPT = "vif_script"
 660 HV_XEN_CMD = "xen_cmd"
 661 HV_XEN_CPUID = "cpuid"
 662 HV_VNET_HDR = "vnet_hdr"
 663 HV_VIRIDIAN = "viridian"
 664
 665
 666 HVS_PARAMETER_TYPES = {
 667   HV_KVM_PATH: VTYPE_STRING,
 668   HV_BOOT_ORDER: VTYPE_STRING,
 669   HV_KVM_FLOPPY_IMAGE_PATH: VTYPE_STRING,
 670   HV_CDROM_IMAGE_PATH: VTYPE_STRING,
 671   HV_KVM_CDROM2_IMAGE_PATH: VTYPE_STRING,
 672   HV_NIC_TYPE: VTYPE_STRING,
 673   HV_DISK_TYPE: VTYPE_STRING,
 674   HV_KVM_CDROM_DISK_TYPE: VTYPE_STRING,
 675   HV_VNC_PASSWORD_FILE: VTYPE_STRING,
 676   HV_VNC_BIND_ADDRESS: VTYPE_STRING,
 677   HV_VNC_TLS: VTYPE_BOOL,
 678   HV_VNC_X509: VTYPE_STRING,
 679   HV_VNC_X509_VERIFY: VTYPE_BOOL,
 680   HV_KVM_SPICE_BIND: VTYPE_STRING,
 681   HV_KVM_SPICE_IP_VERSION: VTYPE_INT,
 682   HV_KVM_SPICE_PASSWORD_FILE: VTYPE_STRING,
 683   HV_KVM_SPICE_LOSSLESS_IMG_COMPR: VTYPE_STRING,
 684   HV_KVM_SPICE_JPEG_IMG_COMPR: VTYPE_STRING,
 685   HV_KVM_SPICE_ZLIB_GLZ_IMG_COMPR: VTYPE_STRING,
 686   HV_KVM_SPICE_STREAMING_VIDEO_DETECTION: VTYPE_STRING,
 687   HV_KVM_SPICE_AUDIO_COMPR: VTYPE_BOOL,
 688   HV_KVM_SPICE_USE_TLS: VTYPE_BOOL,
 689   HV_KVM_SPICE_TLS_CIPHERS: VTYPE_STRING,
 690   HV_KVM_SPICE_USE_VDAGENT: VTYPE_BOOL,
 691   HV_ACPI: VTYPE_BOOL,
 692   HV_PAE: VTYPE_BOOL,
 693   HV_USE_BOOTLOADER: VTYPE_BOOL,
 694   HV_BOOTLOADER_PATH: VTYPE_STRING,
 695   HV_BOOTLOADER_ARGS: VTYPE_STRING,
 696   HV_KERNEL_PATH: VTYPE_STRING,
 697   HV_KERNEL_ARGS: VTYPE_STRING,
 698   HV_INITRD_PATH: VTYPE_STRING,
 699   HV_ROOT_PATH: VTYPE_MAYBE_STRING,
 700   HV_SERIAL_CONSOLE: VTYPE_BOOL,
 701   HV_SERIAL_SPEED: VTYPE_INT,
 702   HV_USB_MOUSE: VTYPE_STRING,
 703   HV_KEYMAP: VTYPE_STRING,
 704   HV_DEVICE_MODEL: VTYPE_STRING,
 705   HV_INIT_SCRIPT: VTYPE_STRING,
 706   HV_MIGRATION_PORT: VTYPE_INT,
 707   HV_MIGRATION_BANDWIDTH: VTYPE_INT,
 708   HV_MIGRATION_DOWNTIME: VTYPE_INT,
 709   HV_MIGRATION_MODE: VTYPE_STRING,
 710   HV_USE_LOCALTIME: VTYPE_BOOL,
 711   HV_DISK_CACHE: VTYPE_STRING,
 712   HV_SECURITY_MODEL: VTYPE_STRING,
 713   HV_SECURITY_DOMAIN: VTYPE_STRING,
 714   HV_KVM_FLAG: VTYPE_STRING,
 715   HV_VHOST_NET: VTYPE_BOOL,
 716   HV_KVM_USE_CHROOT: VTYPE_BOOL,
 717   HV_CPU_MASK: VTYPE_STRING,
 718   HV_MEM_PATH: VTYPE_STRING,
 719   HV_PASSTHROUGH: VTYPE_STRING,
 720   HV_BLOCKDEV_PREFIX: VTYPE_STRING,
 721   HV_REBOOT_BEHAVIOR: VTYPE_STRING,
 722   HV_CPU_TYPE: VTYPE_STRING,
 723   HV_CPU_CAP: VTYPE_INT,
 724   HV_CPU_WEIGHT: VTYPE_INT,
 725   HV_CPU_CORES: VTYPE_INT,
 726   HV_CPU_THREADS: VTYPE_INT,
 727   HV_CPU_SOCKETS: VTYPE_INT,
 728   HV_SOUNDHW: VTYPE_STRING,
 729   HV_USB_DEVICES: VTYPE_STRING,
 730   HV_VGA: VTYPE_STRING,
 731   HV_KVM_EXTRA: VTYPE_STRING,
 732   HV_KVM_MACHINE_VERSION: VTYPE_STRING,
 733   HV_VIF_TYPE: VTYPE_STRING,
 734   HV_VIF_SCRIPT: VTYPE_STRING,
 735   HV_XEN_CMD: VTYPE_STRING,
 736   HV_XEN_CPUID: VTYPE_STRING,
 737   HV_VNET_HDR: VTYPE_BOOL,
 738   HV_VIRIDIAN: VTYPE_BOOL,
 739   }
 740
 741 HVS_PARAMETERS = frozenset(HVS_PARAMETER_TYPES.keys())
 742
 743 HVS_PARAMETER_TITLES = {
 744   HV_ACPI: "ACPI",
 745   HV_BOOT_ORDER: "Boot_order",
 746   HV_CDROM_IMAGE_PATH: "CDROM_image_path",
 747   HV_DISK_TYPE: "Disk_type",
 748   HV_INITRD_PATH: "Initrd_path",
 749   HV_KERNEL_PATH: "Kernel_path",
 750   HV_NIC_TYPE: "NIC_type",
 751   HV_PAE: "PAE",
 752   HV_VNC_BIND_ADDRESS: "VNC_bind_address",
 753   HV_PASSTHROUGH: "pci_pass",
 754   HV_CPU_TYPE: "cpu_type",
 755   }
 756
 757 # Migration statuses
 758 HV_MIGRATION_COMPLETED = "completed"
 759 HV_MIGRATION_ACTIVE = "active"
 760 HV_MIGRATION_FAILED = "failed"
 761 HV_MIGRATION_CANCELLED = "cancelled"
 762
 763 HV_MIGRATION_VALID_STATUSES = compat.UniqueFrozenset([
 764   HV_MIGRATION_COMPLETED,
 765   HV_MIGRATION_ACTIVE,
 766   HV_MIGRATION_FAILED,
 767   HV_MIGRATION_CANCELLED,
 768   ])
 769
 770 HV_MIGRATION_FAILED_STATUSES = compat.UniqueFrozenset([
 771   HV_MIGRATION_FAILED,
 772   HV_MIGRATION_CANCELLED,
 773   ])
 774
 775 # KVM-specific statuses
 776 HV_KVM_MIGRATION_VALID_STATUSES = HV_MIGRATION_VALID_STATUSES
 777
 778 # Node info keys
 779 HV_NODEINFO_KEY_VERSION = "hv_version"
 780
 781 # Hypervisor state
 782 HVST_MEMORY_TOTAL = "mem_total"
 783 HVST_MEMORY_NODE = "mem_node"
 784 HVST_MEMORY_HV = "mem_hv"
 785 HVST_CPU_TOTAL = "cpu_total"
 786 HVST_CPU_NODE = "cpu_node"
 787
 788 HVST_DEFAULTS = {
 789   HVST_MEMORY_TOTAL: 0,
 790   HVST_MEMORY_NODE: 0,
 791   HVST_MEMORY_HV: 0,
 792   HVST_CPU_TOTAL: 1,
 793   HVST_CPU_NODE: 1,
 794   }
 795
 796 HVSTS_PARAMETER_TYPES = {
 797   HVST_MEMORY_TOTAL: VTYPE_INT,
 798   HVST_MEMORY_NODE: VTYPE_INT,
 799   HVST_MEMORY_HV: VTYPE_INT,
 800   HVST_CPU_TOTAL: VTYPE_INT,
 801   HVST_CPU_NODE: VTYPE_INT,
 802   }
 803
 804 HVSTS_PARAMETERS = frozenset(HVSTS_PARAMETER_TYPES.keys())
 805
 806 # Disk state
 807 DS_DISK_TOTAL = "disk_total"
 808 DS_DISK_RESERVED = "disk_reserved"
 809 DS_DISK_OVERHEAD = "disk_overhead"
 810
 811 DS_DEFAULTS = {
 812   DS_DISK_TOTAL: 0,
 813   DS_DISK_RESERVED: 0,
 814   DS_DISK_OVERHEAD: 0,
 815   }
 816
 817 ISPEC_MEM_SIZE = _constants.ISPEC_MEM_SIZE
 818 ISPEC_CPU_COUNT = _constants.ISPEC_CPU_COUNT
 819 ISPEC_DISK_COUNT = _constants.ISPEC_DISK_COUNT
 820 ISPEC_DISK_SIZE = _constants.ISPEC_DISK_SIZE
 821 ISPEC_NIC_COUNT = _constants.ISPEC_NIC_COUNT
 822 ISPEC_SPINDLE_USE = _constants.ISPEC_SPINDLE_USE
 823 ISPECS_PARAMETER_TYPES = _constants.ISPECS_PARAMETER_TYPES
 824 ISPECS_PARAMETERS = _constants.ISPECS_PARAMETERS
 825
 826 ISPECS_MINMAX = _constants.ISPECS_MINMAX
 827 ISPECS_MIN = _constants.ISPECS_MIN
 828 ISPECS_MAX = _constants.ISPECS_MAX
 829 ISPECS_STD = _constants.ISPECS_STD
 830 IPOLICY_DTS = _constants.IPOLICY_DTS
 831 IPOLICY_VCPU_RATIO = _constants.IPOLICY_VCPU_RATIO
 832 IPOLICY_SPINDLE_RATIO = _constants.IPOLICY_SPINDLE_RATIO
 833 ISPECS_MINMAX_KEYS = _constants.ISPECS_MINMAX_KEYS
 834 IPOLICY_PARAMETERS = _constants.IPOLICY_PARAMETERS
 835 IPOLICY_ALL_KEYS = _constants.IPOLICY_ALL_KEYS
 836
 837 ND_OOB_PROGRAM = _constants.ND_OOB_PROGRAM
 838 ND_SPINDLE_COUNT = _constants.ND_SPINDLE_COUNT
 839 ND_EXCLUSIVE_STORAGE = _constants.ND_EXCLUSIVE_STORAGE
 840 ND_OVS = _constants.ND_OVS
 841 ND_OVS_NAME = _constants.ND_OVS_NAME
 842 ND_OVS_LINK = _constants.ND_OVS_LINK
 843
 844 NDS_PARAMETER_TYPES = _constants.NDS_PARAMETER_TYPES
 845 NDS_PARAMETERS = _constants.NDS_PARAMETERS
 846 NDS_PARAMETER_TITLES = _constants.NDS_PARAMETER_TITLES
 847 DSS_PARAMETER_TYPES = {
 848   DS_DISK_TOTAL: VTYPE_INT,
 849   DS_DISK_RESERVED: VTYPE_INT,
 850   DS_DISK_OVERHEAD: VTYPE_INT,
 851   }
 852
 853 DSS_PARAMETERS = frozenset(DSS_PARAMETER_TYPES.keys())
 854 DS_VALID_TYPES = compat.UniqueFrozenset([DT_PLAIN])
 855
 856 # Backend parameter names
 857 BE_MEMORY = "memory" # deprecated and replaced by max and min mem
 858 BE_MAXMEM = "maxmem"
 859 BE_MINMEM = "minmem"
 860 BE_VCPUS = "vcpus"
 861 BE_AUTO_BALANCE = "auto_balance"
 862 BE_ALWAYS_FAILOVER = "always_failover"
 863 BE_SPINDLE_USE = "spindle_use"
 864
 865 BES_PARAMETER_TYPES = {
 866   BE_MAXMEM: VTYPE_SIZE,
 867   BE_MINMEM: VTYPE_SIZE,
 868   BE_VCPUS: VTYPE_INT,
 869   BE_AUTO_BALANCE: VTYPE_BOOL,
 870   BE_ALWAYS_FAILOVER: VTYPE_BOOL,
 871   BE_SPINDLE_USE: VTYPE_INT,
 872   }
 873
 874 BES_PARAMETER_TITLES = {
 875   BE_AUTO_BALANCE: "Auto_balance",
 876   BE_MAXMEM: "ConfigMaxMem",
 877   BE_MINMEM: "ConfigMinMem",
 878   BE_VCPUS: "ConfigVCPUs",
 879   }
 880
 881 BES_PARAMETER_COMPAT = {
 882   BE_MEMORY: VTYPE_SIZE,
 883   }
 884 BES_PARAMETER_COMPAT.update(BES_PARAMETER_TYPES)
 885
 886 BES_PARAMETERS = frozenset(BES_PARAMETER_TYPES.keys())
 887
 888 # Logical Disks parameters
 889 LDP_RESYNC_RATE = "resync-rate"
 890 LDP_STRIPES = "stripes"
 891 LDP_BARRIERS = "disabled-barriers"
 892 LDP_NO_META_FLUSH = "disable-meta-flush"
 893 LDP_DEFAULT_METAVG = "default-metavg"
 894 LDP_DISK_CUSTOM = "disk-custom"
 895 LDP_NET_CUSTOM = "net-custom"
 896 LDP_PROTOCOL = "protocol"
 897 LDP_DYNAMIC_RESYNC = "dynamic-resync"
 898 LDP_PLAN_AHEAD = "c-plan-ahead"
 899 LDP_FILL_TARGET = "c-fill-target"
 900 LDP_DELAY_TARGET = "c-delay-target"
 901 LDP_MAX_RATE = "c-max-rate"
 902 LDP_MIN_RATE = "c-min-rate"
 903 LDP_POOL = "pool"
 904 LDP_ACCESS = "access"
 905 DISK_LD_TYPES = {
 906   LDP_RESYNC_RATE: VTYPE_INT,
 907   LDP_STRIPES: VTYPE_INT,
 908   LDP_BARRIERS: VTYPE_STRING,
 909   LDP_NO_META_FLUSH: VTYPE_BOOL,
 910   LDP_DEFAULT_METAVG: VTYPE_STRING,
 911   LDP_DISK_CUSTOM: VTYPE_STRING,
 912   LDP_NET_CUSTOM: VTYPE_STRING,
 913   LDP_PROTOCOL: VTYPE_STRING,
 914   LDP_DYNAMIC_RESYNC: VTYPE_BOOL,
 915   LDP_PLAN_AHEAD: VTYPE_INT,
 916   LDP_FILL_TARGET: VTYPE_INT,
 917   LDP_DELAY_TARGET: VTYPE_INT,
 918   LDP_MAX_RATE: VTYPE_INT,
 919   LDP_MIN_RATE: VTYPE_INT,
 920   LDP_POOL: VTYPE_STRING,
 921   LDP_ACCESS: VTYPE_STRING,
 922   }
 923 DISK_LD_PARAMETERS = frozenset(DISK_LD_TYPES.keys())
 924
 925 # Disk template parameters (can be set/changed by the user via gnt-cluster and
 926 # gnt-group)
 927 DRBD_RESYNC_RATE = "resync-rate"
 928 DRBD_DATA_STRIPES = "data-stripes"
 929 DRBD_META_STRIPES = "meta-stripes"
 930 DRBD_DISK_BARRIERS = "disk-barriers"
 931 DRBD_META_BARRIERS = "meta-barriers"
 932 DRBD_DEFAULT_METAVG = "metavg"
 933 DRBD_DISK_CUSTOM = "disk-custom"
 934 DRBD_NET_CUSTOM = "net-custom"
 935 DRBD_PROTOCOL = "protocol"
 936 DRBD_DYNAMIC_RESYNC = "dynamic-resync"
 937 DRBD_PLAN_AHEAD = "c-plan-ahead"
 938 DRBD_FILL_TARGET = "c-fill-target"
 939 DRBD_DELAY_TARGET = "c-delay-target"
 940 DRBD_MAX_RATE = "c-max-rate"
 941 DRBD_MIN_RATE = "c-min-rate"
 942 LV_STRIPES = "stripes"
 943 RBD_POOL = "pool"
 944 RBD_ACCESS = "access"
 945 DISK_DT_TYPES = {
 946   DRBD_RESYNC_RATE: VTYPE_INT,
 947   DRBD_DATA_STRIPES: VTYPE_INT,
 948   DRBD_META_STRIPES: VTYPE_INT,
 949   DRBD_DISK_BARRIERS: VTYPE_STRING,
 950   DRBD_META_BARRIERS: VTYPE_BOOL,
 951   DRBD_DEFAULT_METAVG: VTYPE_STRING,
 952   DRBD_DISK_CUSTOM: VTYPE_STRING,
 953   DRBD_NET_CUSTOM: VTYPE_STRING,
 954   DRBD_PROTOCOL: VTYPE_STRING,
 955   DRBD_DYNAMIC_RESYNC: VTYPE_BOOL,
 956   DRBD_PLAN_AHEAD: VTYPE_INT,
 957   DRBD_FILL_TARGET: VTYPE_INT,
 958   DRBD_DELAY_TARGET: VTYPE_INT,
 959   DRBD_MAX_RATE: VTYPE_INT,
 960   DRBD_MIN_RATE: VTYPE_INT,
 961   LV_STRIPES: VTYPE_INT,
 962   RBD_POOL: VTYPE_STRING,
 963   RBD_ACCESS: VTYPE_STRING,
 964   }
 965
 966 DISK_DT_PARAMETERS = frozenset(DISK_DT_TYPES.keys())
 967
 968 # dynamic disk parameters
 969 DDP_LOCAL_IP = "local-ip"
 970 DDP_REMOTE_IP = "remote-ip"
 971 DDP_PORT = "port"
 972 DDP_LOCAL_MINOR = "local-minor"
 973 DDP_REMOTE_MINOR = "remote-minor"
 974
 975 # OOB supported commands
 976 OOB_POWER_ON = _constants.OOB_POWER_ON
 977 OOB_POWER_OFF = _constants.OOB_POWER_OFF
 978 OOB_POWER_CYCLE = _constants.OOB_POWER_CYCLE
 979 OOB_POWER_STATUS = _constants.OOB_POWER_STATUS
 980 OOB_HEALTH = _constants.OOB_HEALTH
 981 OOB_COMMANDS = _constants.OOB_COMMANDS
 982
 983 OOB_POWER_STATUS_POWERED = _constants.OOB_POWER_STATUS_POWERED
 984
 985 OOB_TIMEOUT = _constants.OOB_TIMEOUT
 986 OOB_POWER_DELAY = _constants.OOB_POWER_DELAY
 987
 988 OOB_STATUS_OK = _constants.OOB_STATUS_OK
 989 OOB_STATUS_WARNING = _constants.OOB_STATUS_WARNING
 990 OOB_STATUS_CRITICAL = _constants.OOB_STATUS_CRITICAL
 991 OOB_STATUS_UNKNOWN = _constants.OOB_STATUS_UNKNOWN
 992 OOB_STATUSES = _constants.OOB_STATUSES
 993
 994 # Instance Parameters Profile
 995 PP_DEFAULT = "default"
 996
 997 # NIC_* constants are used inside the ganeti config
 998 NIC_MODE = _constants.NIC_MODE
 999 NIC_LINK = _constants.NIC_LINK
1000 NIC_VLAN = _constants.NIC_VLAN
1001
1002 NIC_MODE_BRIDGED = _constants.NIC_MODE_BRIDGED
1003 NIC_MODE_ROUTED = _constants.NIC_MODE_ROUTED
1004 NIC_MODE_OVS = _constants.NIC_MODE_OVS
1005 NIC_IP_POOL = _constants.NIC_IP_POOL
1006 NIC_VALID_MODES = _constants.NIC_VALID_MODES
1007
1008 RESERVE_ACTION = "reserve"
1009 RELEASE_ACTION = "release"
1010
1011 NICS_PARAMETER_TYPES = {
1012   NIC_MODE: VTYPE_STRING,
1013   NIC_LINK: VTYPE_STRING,
1014   NIC_VLAN: VTYPE_MAYBE_STRING,
1015   }
1016
1017 NICS_PARAMETERS = frozenset(NICS_PARAMETER_TYPES.keys())
1018
1019 # IDISK_* constants are used in opcodes, to create/change disks
1020 IDISK_SIZE = "size"
1021 IDISK_SPINDLES = "spindles"
1022 IDISK_MODE = "mode"
1023 IDISK_ADOPT = "adopt"
1024 IDISK_VG = "vg"
1025 IDISK_METAVG = "metavg"
1026 IDISK_PROVIDER = "provider"
1027 IDISK_NAME = "name"
1028 IDISK_PARAMS_TYPES = {
1029   IDISK_SIZE: VTYPE_SIZE,
1030   IDISK_SPINDLES: VTYPE_INT,
1031   IDISK_MODE: VTYPE_STRING,
1032   IDISK_ADOPT: VTYPE_STRING,
1033   IDISK_VG: VTYPE_STRING,
1034   IDISK_METAVG: VTYPE_STRING,
1035   IDISK_PROVIDER: VTYPE_STRING,
1036   IDISK_NAME: VTYPE_MAYBE_STRING,
1037   }
1038 IDISK_PARAMS = frozenset(IDISK_PARAMS_TYPES.keys())
1039
1040 # INIC_* constants are used in opcodes, to create/change nics
1041 INIC_MAC = "mac"
1042 INIC_IP = "ip"
1043 INIC_MODE = "mode"
1044 INIC_LINK = "link"
1045 INIC_NETWORK = "network"
1046 INIC_NAME = "name"
1047 INIC_VLAN = "vlan"
1048 INIC_BRIDGE = "bridge"
1049 INIC_PARAMS_TYPES = {
1050   INIC_IP: VTYPE_MAYBE_STRING,
1051   INIC_LINK: VTYPE_STRING,
1052   INIC_MAC: VTYPE_STRING,
1053   INIC_MODE: VTYPE_STRING,
1054   INIC_NETWORK: VTYPE_MAYBE_STRING,
1055   INIC_NAME: VTYPE_MAYBE_STRING,
1056   INIC_VLAN: VTYPE_MAYBE_STRING,
1057   INIC_BRIDGE: VTYPE_MAYBE_STRING
1058   }
1059 INIC_PARAMS = frozenset(INIC_PARAMS_TYPES.keys())
1060
1061 # Hypervisor constants
1062 HT_XEN_PVM = _constants.HT_XEN_PVM
1063 HT_FAKE = _constants.HT_FAKE
1064 HT_XEN_HVM = _constants.HT_XEN_HVM
1065 HT_KVM = _constants.HT_KVM
1066 HT_CHROOT = _constants.HT_CHROOT
1067 HT_LXC = _constants.HT_LXC
1068 HYPER_TYPES = _constants.HYPER_TYPES
1069 HTS_REQ_PORT = _constants.HTS_REQ_PORT
1070
1071 VNC_BASE_PORT = 5900
1072 VNC_DEFAULT_BIND_ADDRESS = IP4_ADDRESS_ANY
1073
1074 # NIC types
1075 HT_NIC_RTL8139 = "rtl8139"
1076 HT_NIC_NE2K_PCI = "ne2k_pci"
1077 HT_NIC_NE2K_ISA = "ne2k_isa"
1078 HT_NIC_I82551 = "i82551"
1079 HT_NIC_I85557B = "i82557b"
1080 HT_NIC_I8259ER = "i82559er"
1081 HT_NIC_PCNET = "pcnet"
1082 HT_NIC_E1000 = "e1000"
1083 HT_NIC_PARAVIRTUAL = HT_DISK_PARAVIRTUAL = "paravirtual"
1084
1085 HT_HVM_VALID_NIC_TYPES = compat.UniqueFrozenset([
1086   HT_NIC_RTL8139,
1087   HT_NIC_NE2K_PCI,
1088   HT_NIC_E1000,
1089   HT_NIC_NE2K_ISA,
1090   HT_NIC_PARAVIRTUAL,
1091   ])
1092 HT_KVM_VALID_NIC_TYPES = compat.UniqueFrozenset([
1093   HT_NIC_RTL8139,
1094   HT_NIC_NE2K_PCI,
1095   HT_NIC_NE2K_ISA,
1096   HT_NIC_I82551,
1097   HT_NIC_I85557B,
1098   HT_NIC_I8259ER,
1099   HT_NIC_PCNET,
1100   HT_NIC_E1000,
1101   HT_NIC_PARAVIRTUAL,
1102   ])
1103
1104 # Vif types
1105 # default vif type in xen-hvm
1106 HT_HVM_VIF_IOEMU = "ioemu"
1107 HT_HVM_VIF_VIF = "vif"
1108 HT_HVM_VALID_VIF_TYPES = compat.UniqueFrozenset([
1109   HT_HVM_VIF_IOEMU,
1110   HT_HVM_VIF_VIF,
1111   ])
1112
1113 # Disk types
1114 HT_DISK_IOEMU = "ioemu"
1115 HT_DISK_IDE = "ide"
1116 HT_DISK_SCSI = "scsi"
1117 HT_DISK_SD = "sd"
1118 HT_DISK_MTD = "mtd"
1119 HT_DISK_PFLASH = "pflash"
1120
1121 HT_CACHE_DEFAULT = "default"
1122 HT_CACHE_NONE = "none"
1123 HT_CACHE_WTHROUGH = "writethrough"
1124 HT_CACHE_WBACK = "writeback"
1125 HT_VALID_CACHE_TYPES = compat.UniqueFrozenset([
1126   HT_CACHE_DEFAULT,
1127   HT_CACHE_NONE,
1128   HT_CACHE_WTHROUGH,
1129   HT_CACHE_WBACK,
1130   ])
1131
1132 HT_HVM_VALID_DISK_TYPES = compat.UniqueFrozenset([
1133   HT_DISK_PARAVIRTUAL,
1134   HT_DISK_IOEMU,
1135   ])
1136 HT_KVM_VALID_DISK_TYPES = compat.UniqueFrozenset([
1137   HT_DISK_PARAVIRTUAL,
1138   HT_DISK_IDE,
1139   HT_DISK_SCSI,
1140   HT_DISK_SD,
1141   HT_DISK_MTD,
1142   HT_DISK_PFLASH,
1143   ])
1144
1145 # Mouse types:
1146 HT_MOUSE_MOUSE = "mouse"
1147 HT_MOUSE_TABLET = "tablet"
1148
1149 HT_KVM_VALID_MOUSE_TYPES = compat.UniqueFrozenset([
1150   HT_MOUSE_MOUSE,
1151   HT_MOUSE_TABLET,
1152   ])
1153
1154 # Boot order
1155 HT_BO_FLOPPY = "floppy"
1156 HT_BO_CDROM = "cdrom"
1157 HT_BO_DISK = "disk"
1158 HT_BO_NETWORK = "network"
1159
1160 HT_KVM_VALID_BO_TYPES = compat.UniqueFrozenset([
1161   HT_BO_FLOPPY,
1162   HT_BO_CDROM,
1163   HT_BO_DISK,
1164   HT_BO_NETWORK,
1165   ])
1166
1167 # SPICE lossless image compression options
1168 HT_KVM_SPICE_LOSSLESS_IMG_COMPR_AUTO_GLZ = "auto_glz"
1169 HT_KVM_SPICE_LOSSLESS_IMG_COMPR_AUTO_LZ = "auto_lz"
1170 HT_KVM_SPICE_LOSSLESS_IMG_COMPR_QUIC = "quic"
1171 HT_KVM_SPICE_LOSSLESS_IMG_COMPR_GLZ = "glz"
1172 HT_KVM_SPICE_LOSSLESS_IMG_COMPR_LZ = "lz"
1173 HT_KVM_SPICE_LOSSLESS_IMG_COMPR_OFF = "off"
1174
1175 HT_KVM_SPICE_VALID_LOSSLESS_IMG_COMPR_OPTIONS = compat.UniqueFrozenset([
1176   HT_KVM_SPICE_LOSSLESS_IMG_COMPR_AUTO_GLZ,
1177   HT_KVM_SPICE_LOSSLESS_IMG_COMPR_AUTO_LZ,
1178   HT_KVM_SPICE_LOSSLESS_IMG_COMPR_QUIC,
1179   HT_KVM_SPICE_LOSSLESS_IMG_COMPR_GLZ,
1180   HT_KVM_SPICE_LOSSLESS_IMG_COMPR_LZ,
1181   HT_KVM_SPICE_LOSSLESS_IMG_COMPR_OFF,
1182   ])
1183
1184 # SPICE lossy image compression options (valid for both jpeg and zlib-glz)
1185 HT_KVM_SPICE_LOSSY_IMG_COMPR_AUTO = "auto"
1186 HT_KVM_SPICE_LOSSY_IMG_COMPR_NEVER = "never"
1187 HT_KVM_SPICE_LOSSY_IMG_COMPR_ALWAYS = "always"
1188
1189 HT_KVM_SPICE_VALID_LOSSY_IMG_COMPR_OPTIONS = compat.UniqueFrozenset([
1190   HT_KVM_SPICE_LOSSY_IMG_COMPR_AUTO,
1191   HT_KVM_SPICE_LOSSY_IMG_COMPR_NEVER,
1192   HT_KVM_SPICE_LOSSY_IMG_COMPR_ALWAYS,
1193   ])
1194
1195 # SPICE video stream detection
1196 HT_KVM_SPICE_VIDEO_STREAM_DETECTION_OFF = "off"
1197 HT_KVM_SPICE_VIDEO_STREAM_DETECTION_ALL = "all"
1198 HT_KVM_SPICE_VIDEO_STREAM_DETECTION_FILTER = "filter"
1199
1200 HT_KVM_SPICE_VALID_VIDEO_STREAM_DETECTION_OPTIONS = compat.UniqueFrozenset([
1201   HT_KVM_SPICE_VIDEO_STREAM_DETECTION_OFF,
1202   HT_KVM_SPICE_VIDEO_STREAM_DETECTION_ALL,
1203   HT_KVM_SPICE_VIDEO_STREAM_DETECTION_FILTER,
1204   ])
1205
1206 # Security models
1207 HT_SM_NONE = "none"
1208 HT_SM_USER = "user"
1209 HT_SM_POOL = "pool"
1210
1211 HT_KVM_VALID_SM_TYPES = compat.UniqueFrozenset([
1212   HT_SM_NONE,
1213   HT_SM_USER,
1214   HT_SM_POOL,
1215   ])
1216
1217 # Kvm flag values
1218 HT_KVM_ENABLED = "enabled"
1219 HT_KVM_DISABLED = "disabled"
1220
1221 HT_KVM_FLAG_VALUES = compat.UniqueFrozenset([HT_KVM_ENABLED, HT_KVM_DISABLED])
1222
1223 # Migration type
1224 HT_MIGRATION_LIVE = _constants.HT_MIGRATION_LIVE
1225 HT_MIGRATION_NONLIVE = _constants.HT_MIGRATION_NONLIVE
1226 HT_MIGRATION_MODES = _constants.HT_MIGRATION_MODES
1227
1228 # Cluster Verify steps
1229 VERIFY_NPLUSONE_MEM = _constants.VERIFY_NPLUSONE_MEM
1230 VERIFY_OPTIONAL_CHECKS = _constants.VERIFY_OPTIONAL_CHECKS
1231
1232 # Cluster Verify error classes
1233 CV_TCLUSTER = _constants.CV_TCLUSTER
1234 CV_TGROUP = _constants.CV_TGROUP
1235 CV_TNODE = _constants.CV_TNODE
1236 CV_TINSTANCE = _constants.CV_TINSTANCE
1237
1238 # Cluster Verify error codes and documentation
1239 CV_ECLUSTERCFG = _constants.CV_ECLUSTERCFG
1240 CV_ECLUSTERCERT = _constants.CV_ECLUSTERCERT
1241 CV_ECLUSTERFILECHECK = _constants.CV_ECLUSTERFILECHECK
1242 CV_ECLUSTERDANGLINGNODES = _constants.CV_ECLUSTERDANGLINGNODES
1243 CV_ECLUSTERDANGLINGINST = _constants.CV_ECLUSTERDANGLINGINST
1244 CV_EGROUPDIFFERENTPVSIZE = _constants.CV_EGROUPDIFFERENTPVSIZE
1245 CV_EINSTANCEBADNODE = _constants.CV_EINSTANCEBADNODE
1246 CV_EINSTANCEDOWN = _constants.CV_EINSTANCEDOWN
1247 CV_EINSTANCELAYOUT = _constants.CV_EINSTANCELAYOUT
1248 CV_EINSTANCEMISSINGDISK = _constants.CV_EINSTANCEMISSINGDISK
1249 CV_EINSTANCEFAULTYDISK = _constants.CV_EINSTANCEFAULTYDISK
1250 CV_EINSTANCEWRONGNODE = _constants.CV_EINSTANCEWRONGNODE
1251 CV_EINSTANCESPLITGROUPS = _constants.CV_EINSTANCESPLITGROUPS
1252 CV_EINSTANCEPOLICY = _constants.CV_EINSTANCEPOLICY
1253 CV_EINSTANCEUNSUITABLENODE = _constants.CV_EINSTANCEUNSUITABLENODE
1254 CV_EINSTANCEMISSINGCFGPARAMETER = _constants.CV_EINSTANCEMISSINGCFGPARAMETER
1255 CV_ENODEDRBD = _constants.CV_ENODEDRBD
1256 CV_ENODEDRBDVERSION = _constants.CV_ENODEDRBDVERSION
1257 CV_ENODEDRBDHELPER = _constants.CV_ENODEDRBDHELPER
1258 CV_ENODEFILECHECK = _constants.CV_ENODEFILECHECK
1259 CV_ENODEHOOKS = _constants.CV_ENODEHOOKS
1260 CV_ENODEHV = _constants.CV_ENODEHV
1261 CV_ENODELVM = _constants.CV_ENODELVM
1262 CV_ENODEN1 = _constants.CV_ENODEN1
1263 CV_ENODENET = _constants.CV_ENODENET
1264 CV_ENODEOS = _constants.CV_ENODEOS
1265 CV_ENODEORPHANINSTANCE = _constants.CV_ENODEORPHANINSTANCE
1266 CV_ENODEORPHANLV = _constants.CV_ENODEORPHANLV
1267 CV_ENODERPC = _constants.CV_ENODERPC
1268 CV_ENODESSH = _constants.CV_ENODESSH
1269 CV_ENODEVERSION = _constants.CV_ENODEVERSION
1270 CV_ENODESETUP = _constants.CV_ENODESETUP
1271 CV_ENODETIME = _constants.CV_ENODETIME
1272 CV_ENODEOOBPATH = _constants.CV_ENODEOOBPATH
1273 CV_ENODEUSERSCRIPTS = _constants.CV_ENODEUSERSCRIPTS
1274 CV_ENODEFILESTORAGEPATHS = _constants.CV_ENODEFILESTORAGEPATHS
1275 CV_ENODEFILESTORAGEPATHUNUSABLE = _constants.CV_ENODEFILESTORAGEPATHUNUSABLE
1276 CV_ENODESHAREDFILESTORAGEPATHUNUSABLE = \
1277   _constants.CV_ENODESHAREDFILESTORAGEPATHUNUSABLE
1278
1279 CV_ALL_ECODES = _constants.CV_ALL_ECODES
1280 CV_ALL_ECODES_STRINGS = _constants.CV_ALL_ECODES_STRINGS
1281
1282 # Node verify constants
1283 NV_BRIDGES = "bridges"
1284 NV_DRBDHELPER = "drbd-helper"
1285 NV_DRBDVERSION = "drbd-version"
1286 NV_DRBDLIST = "drbd-list"
1287 NV_EXCLUSIVEPVS = "exclusive-pvs"
1288 NV_FILELIST = "filelist"
1289 NV_ACCEPTED_STORAGE_PATHS = "allowed-file-storage-paths"
1290 NV_FILE_STORAGE_PATH = "file-storage-path"
1291 NV_SHARED_FILE_STORAGE_PATH = "shared-file-storage-path"
1292 NV_HVINFO = "hvinfo"
1293 NV_HVPARAMS = "hvparms"
1294 NV_HYPERVISOR = "hypervisor"
1295 NV_INSTANCELIST = "instancelist"
1296 NV_LVLIST = "lvlist"
1297 NV_MASTERIP = "master-ip"
1298 NV_NODELIST = "nodelist"
1299 NV_NODENETTEST = "node-net-test"
1300 NV_NODESETUP = "nodesetup"
1301 NV_OOB_PATHS = "oob-paths"
1302 NV_OSLIST = "oslist"
1303 NV_PVLIST = "pvlist"
1304 NV_TIME = "time"
1305 NV_USERSCRIPTS = "user-scripts"
1306 NV_VERSION = "version"
1307 NV_VGLIST = "vglist"
1308 NV_VMNODES = "vmnodes"
1309
1310 # Instance status
1311 INSTST_RUNNING = _constants.INSTST_RUNNING
1312 INSTST_ADMINDOWN = _constants.INSTST_ADMINDOWN
1313 INSTST_ADMINOFFLINE = _constants.INSTST_ADMINOFFLINE
1314 INSTST_NODEOFFLINE = _constants.INSTST_NODEOFFLINE
1315 INSTST_NODEDOWN = _constants.INSTST_NODEDOWN
1316 INSTST_WRONGNODE = _constants.INSTST_WRONGNODE
1317 INSTST_ERRORUP = _constants.INSTST_ERRORUP
1318 INSTST_ERRORDOWN = _constants.INSTST_ERRORDOWN
1319 INSTST_ALL = _constants.INSTST_ALL
1320
1321 # Admin states
1322 ADMINST_UP = _constants.ADMINST_UP
1323 ADMINST_DOWN = _constants.ADMINST_DOWN
1324 ADMINST_OFFLINE = _constants.ADMINST_OFFLINE
1325 ADMINST_ALL = _constants.ADMINST_ALL
1326
1327 # Node roles
1328 NR_REGULAR = _constants.NR_REGULAR
1329 NR_MASTER = _constants.NR_MASTER
1330 NR_MCANDIDATE = _constants.NR_MCANDIDATE
1331 NR_DRAINED = _constants.NR_DRAINED
1332 NR_OFFLINE = _constants.NR_OFFLINE
1333 NR_ALL = _constants.NR_ALL
1334
1335 # SSL certificate check constants (in days)
1336 SSL_CERT_EXPIRATION_WARN = 30
1337 SSL_CERT_EXPIRATION_ERROR = 7
1338
1339 # Allocator framework constants
1340 IALLOCATOR_VERSION = _constants.IALLOCATOR_VERSION
1341 IALLOCATOR_DIR_IN = _constants.IALLOCATOR_DIR_IN
1342 IALLOCATOR_DIR_OUT = _constants.IALLOCATOR_DIR_OUT
1343 VALID_IALLOCATOR_DIRECTIONS = _constants.VALID_IALLOCATOR_DIRECTIONS
1344
1345 IALLOCATOR_MODE_ALLOC = _constants.IALLOCATOR_MODE_ALLOC
1346 IALLOCATOR_MODE_RELOC = _constants.IALLOCATOR_MODE_RELOC
1347 IALLOCATOR_MODE_CHG_GROUP = _constants.IALLOCATOR_MODE_CHG_GROUP
1348 IALLOCATOR_MODE_NODE_EVAC = _constants.IALLOCATOR_MODE_NODE_EVAC
1349 IALLOCATOR_MODE_MULTI_ALLOC = _constants.IALLOCATOR_MODE_MULTI_ALLOC
1350 VALID_IALLOCATOR_MODES = _constants.VALID_IALLOCATOR_MODES
1351
1352 IALLOCATOR_SEARCH_PATH = _constants.IALLOCATOR_SEARCH_PATH
1353 DEFAULT_IALLOCATOR_SHORTCUT = _constants.DEFAULT_IALLOCATOR_SHORTCUT
1354
1355 # Node evacuation
1356 NODE_EVAC_PRI = _constants.NODE_EVAC_PRI
1357 NODE_EVAC_SEC = _constants.NODE_EVAC_SEC
1358 NODE_EVAC_ALL = _constants.NODE_EVAC_ALL
1359 NODE_EVAC_MODES = _constants.NODE_EVAC_MODES
1360
1361 # Job queue
1362 JOB_QUEUE_VERSION = 1
1363 JOB_QUEUE_SIZE_HARD_LIMIT = 5000
1364 JOB_QUEUE_FILES_PERMS = 0640
1365
1366 JOB_ID_TEMPLATE = r"\d+"
1367 JOB_FILE_RE = re.compile(r"^job-(%s)$" % JOB_ID_TEMPLATE)
1368
1369 # unchanged job return
1370 JOB_NOTCHANGED = "nochange"
1371
1372 # Job status
1373 JOB_STATUS_QUEUED = _constants.JOB_STATUS_QUEUED
1374 JOB_STATUS_WAITING = _constants.JOB_STATUS_WAITING
1375 JOB_STATUS_CANCELING = _constants.JOB_STATUS_CANCELING
1376 JOB_STATUS_RUNNING = _constants.JOB_STATUS_RUNNING
1377 JOB_STATUS_CANCELED = _constants.JOB_STATUS_CANCELED
1378 JOB_STATUS_SUCCESS = _constants.JOB_STATUS_SUCCESS
1379 JOB_STATUS_ERROR = _constants.JOB_STATUS_ERROR
1380 JOBS_PENDING = _constants.JOBS_PENDING
1381 JOBS_FINALIZED = _constants.JOBS_FINALIZED
1382 JOB_STATUS_ALL = _constants.JOB_STATUS_ALL
1383
1384 # OpCode status
1385 # not yet finalized
1386 OP_STATUS_QUEUED = _constants.OP_STATUS_QUEUED
1387 OP_STATUS_WAITING = _constants.OP_STATUS_WAITING
1388 OP_STATUS_CANCELING = _constants.OP_STATUS_CANCELING
1389 OP_STATUS_RUNNING = _constants.OP_STATUS_RUNNING
1390 # finalized
1391 OP_STATUS_CANCELED = _constants.OP_STATUS_CANCELED
1392 OP_STATUS_SUCCESS = _constants.OP_STATUS_SUCCESS
1393 OP_STATUS_ERROR = _constants.OP_STATUS_ERROR
1394 OPS_FINALIZED = _constants.OPS_FINALIZED
1395
1396 # OpCode priority
1397 OP_PRIO_LOWEST = _constants.OP_PRIO_LOWEST
1398 OP_PRIO_HIGHEST = _constants.OP_PRIO_HIGHEST
1399 OP_PRIO_LOW = _constants.OP_PRIO_LOW
1400 OP_PRIO_NORMAL = _constants.OP_PRIO_NORMAL
1401 OP_PRIO_HIGH = _constants.OP_PRIO_HIGH
1402 OP_PRIO_SUBMIT_VALID = _constants.OP_PRIO_SUBMIT_VALID
1403 OP_PRIO_DEFAULT = _constants.OP_PRIO_DEFAULT
1404
1405 # Lock recalculate mode
1406 LOCKS_REPLACE = "replace"
1407 LOCKS_APPEND = "append"
1408
1409 # Lock timeout (sum) before we should go into blocking acquire (still
1410 # can be reset by priority change); computed as max time (10 hours)
1411 # before we should actually go into blocking acquire given that we
1412 # start from default priority level; in seconds
1413 # TODO
1414 LOCK_ATTEMPTS_TIMEOUT = 10 * 3600 / (OP_PRIO_DEFAULT - OP_PRIO_HIGHEST)
1415 LOCK_ATTEMPTS_MAXWAIT = 15.0
1416 LOCK_ATTEMPTS_MINWAIT = 1.0
1417
1418 # Execution log types
1419 ELOG_MESSAGE = _constants.ELOG_MESSAGE
1420 ELOG_REMOTE_IMPORT = _constants.ELOG_REMOTE_IMPORT
1421 ELOG_JQUEUE_TEST = _constants.ELOG_JQUEUE_TEST
1422
1423 # /etc/hosts modification
1424 ETC_HOSTS_ADD = "add"
1425 ETC_HOSTS_REMOVE = "remove"
1426
1427 # Job queue test
1428 JQT_MSGPREFIX = "TESTMSG="
1429 JQT_EXPANDNAMES = "expandnames"
1430 JQT_EXEC = "exec"
1431 JQT_LOGMSG = "logmsg"
1432 JQT_STARTMSG = "startmsg"
1433 JQT_ALL = compat.UniqueFrozenset([
1434   JQT_EXPANDNAMES,
1435   JQT_EXEC,
1436   JQT_LOGMSG,
1437   JQT_STARTMSG,
1438   ])
1439
1440 # Query resources
1441 QR_CLUSTER = "cluster"
1442 QR_INSTANCE = "instance"
1443 QR_NODE = "node"
1444 QR_LOCK = "lock"
1445 QR_GROUP = "group"
1446 QR_OS = "os"
1447 QR_JOB = "job"
1448 QR_EXPORT = "export"
1449 QR_NETWORK = "network"
1450 QR_EXTSTORAGE = "extstorage"
1451
1452 #: List of resources which can be queried using L{opcodes.OpQuery}
1453 QR_VIA_OP = compat.UniqueFrozenset([
1454   QR_CLUSTER,
1455   QR_INSTANCE,
1456   QR_NODE,
1457   QR_GROUP,
1458   QR_OS,
1459   QR_EXPORT,
1460   QR_NETWORK,
1461   QR_EXTSTORAGE,
1462   ])
1463
1464 #: List of resources which can be queried using Local UniX Interface
1465 QR_VIA_LUXI = QR_VIA_OP.union([
1466   QR_LOCK,
1467   QR_JOB,
1468   ])
1469
1470 #: List of resources which can be queried using RAPI
1471 QR_VIA_RAPI = QR_VIA_LUXI
1472
1473 # Query field types
1474 QFT_UNKNOWN = "unknown"
1475 QFT_TEXT = "text"
1476 QFT_BOOL = "bool"
1477 QFT_NUMBER = "number"
1478 QFT_UNIT = "unit"
1479 QFT_TIMESTAMP = "timestamp"
1480 QFT_OTHER = "other"
1481
1482 #: All query field types
1483 QFT_ALL = compat.UniqueFrozenset([
1484   QFT_UNKNOWN,
1485   QFT_TEXT,
1486   QFT_BOOL,
1487   QFT_NUMBER,
1488   QFT_UNIT,
1489   QFT_TIMESTAMP,
1490   QFT_OTHER,
1491   ])
1492
1493 # Query result field status (don't change or reuse values as they're used by
1494 # clients)
1495 #: Normal field status
1496 RS_NORMAL = 0
1497 #: Unknown field
1498 RS_UNKNOWN = 1
1499 #: No data (e.g. RPC error), can be used instead of L{RS_OFFLINE}
1500 RS_NODATA = 2
1501 #: Value unavailable/unsupported for item; if this field is supported
1502 #: but we cannot get the data for the moment, RS_NODATA or
1503 #: RS_OFFLINE should be used
1504 RS_UNAVAIL = 3
1505 #: Resource marked offline
1506 RS_OFFLINE = 4
1507
1508 RS_ALL = compat.UniqueFrozenset([
1509   RS_NORMAL,
1510   RS_UNKNOWN,
1511   RS_NODATA,
1512   RS_UNAVAIL,
1513   RS_OFFLINE,
1514   ])
1515
1516 #: Dictionary with special field cases and their verbose/terse formatting
1517 RSS_DESCRIPTION = {
1518   RS_UNKNOWN: ("(unknown)", "??"),
1519   RS_NODATA: ("(nodata)", "?"),
1520   RS_OFFLINE: ("(offline)", "*"),
1521   RS_UNAVAIL: ("(unavail)", "-"),
1522   }
1523
1524 # max dynamic devices
1525 MAX_NICS = 8
1526 MAX_DISKS = 16
1527
1528 # SSCONF file prefix
1529 SSCONF_FILEPREFIX = "ssconf_"
1530 # SSCONF keys
1531 SS_CLUSTER_NAME = "cluster_name"
1532 SS_CLUSTER_TAGS = "cluster_tags"
1533 SS_FILE_STORAGE_DIR = "file_storage_dir"
1534 SS_SHARED_FILE_STORAGE_DIR = "shared_file_storage_dir"
1535 SS_MASTER_CANDIDATES = "master_candidates"
1536 SS_MASTER_CANDIDATES_IPS = "master_candidates_ips"
1537 SS_MASTER_IP = "master_ip"
1538 SS_MASTER_NETDEV = "master_netdev"
1539 SS_MASTER_NETMASK = "master_netmask"
1540 SS_MASTER_NODE = "master_node"
1541 SS_NODE_LIST = "node_list"
1542 SS_NODE_PRIMARY_IPS = "node_primary_ips"
1543 SS_NODE_SECONDARY_IPS = "node_secondary_ips"
1544 SS_OFFLINE_NODES = "offline_nodes"
1545 SS_ONLINE_NODES = "online_nodes"
1546 SS_PRIMARY_IP_FAMILY = "primary_ip_family"
1547 SS_INSTANCE_LIST = "instance_list"
1548 SS_RELEASE_VERSION = "release_version"
1549 SS_HYPERVISOR_LIST = "hypervisor_list"
1550 SS_MAINTAIN_NODE_HEALTH = "maintain_node_health"
1551 SS_UID_POOL = "uid_pool"
1552 SS_NODEGROUPS = "nodegroups"
1553 SS_NETWORKS = "networks"
1554
1555 # This is not a complete SSCONF key, but the prefix for the hypervisor keys
1556 SS_HVPARAMS_PREF = "hvparams_"
1557
1558 # Hvparams keys:
1559 SS_HVPARAMS_XEN_PVM = SS_HVPARAMS_PREF + HT_XEN_PVM
1560 SS_HVPARAMS_XEN_FAKE = SS_HVPARAMS_PREF + HT_FAKE
1561 SS_HVPARAMS_XEN_HVM = SS_HVPARAMS_PREF + HT_XEN_HVM
1562 SS_HVPARAMS_XEN_KVM = SS_HVPARAMS_PREF + HT_KVM
1563 SS_HVPARAMS_XEN_CHROOT = SS_HVPARAMS_PREF + HT_CHROOT
1564 SS_HVPARAMS_XEN_LXC = SS_HVPARAMS_PREF + HT_LXC
1565
1566 VALID_SS_HVPARAMS_KEYS = compat.UniqueFrozenset([
1567   SS_HVPARAMS_XEN_PVM,
1568   SS_HVPARAMS_XEN_FAKE,
1569   SS_HVPARAMS_XEN_HVM,
1570   SS_HVPARAMS_XEN_KVM,
1571   SS_HVPARAMS_XEN_CHROOT,
1572   SS_HVPARAMS_XEN_LXC,
1573   ])
1574
1575 SS_FILE_PERMS = 0444
1576
1577 # cluster wide default parameters
1578 DEFAULT_ENABLED_HYPERVISOR = HT_XEN_PVM
1579
1580 HVC_DEFAULTS = {
1581   HT_XEN_PVM: {
1582     HV_USE_BOOTLOADER: False,
1583     HV_BOOTLOADER_PATH: XEN_BOOTLOADER,
1584     HV_BOOTLOADER_ARGS: "",
1585     HV_KERNEL_PATH: XEN_KERNEL,
1586     HV_INITRD_PATH: "",
1587     HV_ROOT_PATH: "/dev/xvda1",
1588     HV_KERNEL_ARGS: "ro",
1589     HV_MIGRATION_PORT: 8002,
1590     HV_MIGRATION_MODE: HT_MIGRATION_LIVE,
1591     HV_BLOCKDEV_PREFIX: "sd",
1592     HV_REBOOT_BEHAVIOR: INSTANCE_REBOOT_ALLOWED,
1593     HV_CPU_MASK: CPU_PINNING_ALL,
1594     HV_CPU_CAP: 0,
1595     HV_CPU_WEIGHT: 256,
1596     HV_VIF_SCRIPT: "",
1597     HV_XEN_CMD: XEN_CMD_XM,
1598     HV_XEN_CPUID: "",
1599     HV_SOUNDHW: "",
1600     },
1601   HT_XEN_HVM: {
1602     HV_BOOT_ORDER: "cd",
1603     HV_CDROM_IMAGE_PATH: "",
1604     HV_NIC_TYPE: HT_NIC_RTL8139,
1605     HV_DISK_TYPE: HT_DISK_PARAVIRTUAL,
1606     HV_VNC_BIND_ADDRESS: IP4_ADDRESS_ANY,
1607     HV_VNC_PASSWORD_FILE: pathutils.VNC_PASSWORD_FILE,
1608     HV_ACPI: True,
1609     HV_PAE: True,
1610     HV_KERNEL_PATH: "/usr/lib/xen/boot/hvmloader",
1611     HV_DEVICE_MODEL: "/usr/lib/xen/bin/qemu-dm",
1612     HV_MIGRATION_PORT: 8002,
1613     HV_MIGRATION_MODE: HT_MIGRATION_NONLIVE,
1614     HV_USE_LOCALTIME: False,
1615     HV_BLOCKDEV_PREFIX: "hd",
1616     HV_PASSTHROUGH: "",
1617     HV_REBOOT_BEHAVIOR: INSTANCE_REBOOT_ALLOWED,
1618     HV_CPU_MASK: CPU_PINNING_ALL,
1619     HV_CPU_CAP: 0,
1620     HV_CPU_WEIGHT: 256,
1621     HV_VIF_TYPE: HT_HVM_VIF_IOEMU,
1622     HV_VIF_SCRIPT: "",
1623     HV_VIRIDIAN: False,
1624     HV_XEN_CMD: XEN_CMD_XM,
1625     HV_XEN_CPUID: "",
1626     HV_SOUNDHW: "",
1627     },
1628   HT_KVM: {
1629     HV_KVM_PATH: KVM_PATH,
1630     HV_KERNEL_PATH: KVM_KERNEL,
1631     HV_INITRD_PATH: "",
1632     HV_KERNEL_ARGS: "ro",
1633     HV_ROOT_PATH: "/dev/vda1",
1634     HV_ACPI: True,
1635     HV_SERIAL_CONSOLE: True,
1636     HV_SERIAL_SPEED: 38400,
1637     HV_VNC_BIND_ADDRESS: "",
1638     HV_VNC_TLS: False,
1639     HV_VNC_X509: "",
1640     HV_VNC_X509_VERIFY: False,
1641     HV_VNC_PASSWORD_FILE: "",
1642     HV_KVM_SPICE_BIND: "",
1643     HV_KVM_SPICE_IP_VERSION: IFACE_NO_IP_VERSION_SPECIFIED,
1644     HV_KVM_SPICE_PASSWORD_FILE: "",
1645     HV_KVM_SPICE_LOSSLESS_IMG_COMPR: "",
1646     HV_KVM_SPICE_JPEG_IMG_COMPR: "",
1647     HV_KVM_SPICE_ZLIB_GLZ_IMG_COMPR: "",
1648     HV_KVM_SPICE_STREAMING_VIDEO_DETECTION: "",
1649     HV_KVM_SPICE_AUDIO_COMPR: True,
1650     HV_KVM_SPICE_USE_TLS: False,
1651     HV_KVM_SPICE_TLS_CIPHERS: OPENSSL_CIPHERS,
1652     HV_KVM_SPICE_USE_VDAGENT: True,
1653     HV_KVM_FLOPPY_IMAGE_PATH: "",
1654     HV_CDROM_IMAGE_PATH: "",
1655     HV_KVM_CDROM2_IMAGE_PATH: "",
1656     HV_BOOT_ORDER: HT_BO_DISK,
1657     HV_NIC_TYPE: HT_NIC_PARAVIRTUAL,
1658     HV_DISK_TYPE: HT_DISK_PARAVIRTUAL,
1659     HV_KVM_CDROM_DISK_TYPE: "",
1660     HV_USB_MOUSE: "",
1661     HV_KEYMAP: "",
1662     HV_MIGRATION_PORT: 8102,
1663     HV_MIGRATION_BANDWIDTH: 32, # MiB/s
1664     HV_MIGRATION_DOWNTIME: 30,  # ms
1665     HV_MIGRATION_MODE: HT_MIGRATION_LIVE,
1666     HV_USE_LOCALTIME: False,
1667     HV_DISK_CACHE: HT_CACHE_DEFAULT,
1668     HV_SECURITY_MODEL: HT_SM_NONE,
1669     HV_SECURITY_DOMAIN: "",
1670     HV_KVM_FLAG: "",
1671     HV_VHOST_NET: False,
1672     HV_KVM_USE_CHROOT: False,
1673     HV_MEM_PATH: "",
1674     HV_REBOOT_BEHAVIOR: INSTANCE_REBOOT_ALLOWED,
1675     HV_CPU_MASK: CPU_PINNING_ALL,
1676     HV_CPU_TYPE: "",
1677     HV_CPU_CORES: 0,
1678     HV_CPU_THREADS: 0,
1679     HV_CPU_SOCKETS: 0,
1680     HV_SOUNDHW: "",
1681     HV_USB_DEVICES: "",
1682     HV_VGA: "",
1683     HV_KVM_EXTRA: "",
1684     HV_KVM_MACHINE_VERSION: "",
1685     HV_VNET_HDR: True,
1686     },
1687   HT_FAKE: {
1688     HV_MIGRATION_MODE: HT_MIGRATION_LIVE,
1689   },
1690   HT_CHROOT: {
1691     HV_INIT_SCRIPT: "/ganeti-chroot",
1692     },
1693   HT_LXC: {
1694     HV_CPU_MASK: "",
1695     },
1696   }
1697
1698 HVC_GLOBALS = compat.UniqueFrozenset([
1699   HV_MIGRATION_PORT,
1700   HV_MIGRATION_BANDWIDTH,
1701   HV_MIGRATION_MODE,
1702   HV_XEN_CMD,
1703   ])
1704
1705 BEC_DEFAULTS = {
1706   BE_MINMEM: 128,
1707   BE_MAXMEM: 128,
1708   BE_VCPUS: 1,
1709   BE_AUTO_BALANCE: True,
1710   BE_ALWAYS_FAILOVER: False,
1711   BE_SPINDLE_USE: 1,
1712   }
1713
1714 NDC_DEFAULTS = {
1715   ND_OOB_PROGRAM: "",
1716   ND_SPINDLE_COUNT: 1,
1717   ND_EXCLUSIVE_STORAGE: False,
1718   ND_OVS: False,
1719   ND_OVS_NAME: DEFAULT_OVS,
1720   ND_OVS_LINK: ""
1721   }
1722
1723 NDC_GLOBALS = compat.UniqueFrozenset([
1724   ND_EXCLUSIVE_STORAGE,
1725   ])
1726
1727 DISK_LD_DEFAULTS = {
1728   DT_DRBD8: {
1729     LDP_RESYNC_RATE: CLASSIC_DRBD_SYNC_SPEED,
1730     LDP_BARRIERS: _constants.DRBD_BARRIERS,
1731     LDP_NO_META_FLUSH: _constants.DRBD_NO_META_FLUSH,
1732     LDP_DEFAULT_METAVG: DEFAULT_VG,
1733     LDP_DISK_CUSTOM: "",
1734     LDP_NET_CUSTOM: "",
1735     LDP_PROTOCOL: DRBD_DEFAULT_NET_PROTOCOL,
1736     LDP_DYNAMIC_RESYNC: False,
1737
1738     # The default values for the DRBD dynamic resync speed algorithm
1739     # are taken from the drbsetup 8.3.11 man page, except for
1740     # c-plan-ahead (that we don't need to set to 0, because we have a
1741     # separate option to enable it) and for c-max-rate, that we cap to
1742     # the default value for the static resync rate.
1743     LDP_PLAN_AHEAD: 20, # ds
1744     LDP_FILL_TARGET: 0, # sectors
1745     LDP_DELAY_TARGET: 1, # ds
1746     LDP_MAX_RATE: CLASSIC_DRBD_SYNC_SPEED, # KiB/s
1747     LDP_MIN_RATE: 4 * 1024, # KiB/s
1748     },
1749   DT_PLAIN: {
1750     LDP_STRIPES: _constants.LVM_STRIPECOUNT
1751     },
1752   DT_FILE: {},
1753   DT_SHARED_FILE: {},
1754   DT_BLOCK: {},
1755   DT_RBD: {
1756     LDP_POOL: "rbd",
1757     LDP_ACCESS: DISK_KERNELSPACE,
1758     },
1759   DT_EXT: {},
1760   }
1761
1762 # readability shortcuts
1763 _LV_DEFAULTS = DISK_LD_DEFAULTS[DT_PLAIN]
1764 _DRBD_DEFAULTS = DISK_LD_DEFAULTS[DT_DRBD8]
1765
1766 DISK_DT_DEFAULTS = {
1767   DT_PLAIN: {
1768     LV_STRIPES: DISK_LD_DEFAULTS[DT_PLAIN][LDP_STRIPES],
1769     },
1770   DT_DRBD8: {
1771     DRBD_RESYNC_RATE: _DRBD_DEFAULTS[LDP_RESYNC_RATE],
1772     DRBD_DATA_STRIPES: _LV_DEFAULTS[LDP_STRIPES],
1773     DRBD_META_STRIPES: _LV_DEFAULTS[LDP_STRIPES],
1774     DRBD_DISK_BARRIERS: _DRBD_DEFAULTS[LDP_BARRIERS],
1775     DRBD_META_BARRIERS: _DRBD_DEFAULTS[LDP_NO_META_FLUSH],
1776     DRBD_DEFAULT_METAVG: _DRBD_DEFAULTS[LDP_DEFAULT_METAVG],
1777     DRBD_DISK_CUSTOM: _DRBD_DEFAULTS[LDP_DISK_CUSTOM],
1778     DRBD_NET_CUSTOM: _DRBD_DEFAULTS[LDP_NET_CUSTOM],
1779     DRBD_PROTOCOL: _DRBD_DEFAULTS[LDP_PROTOCOL],
1780     DRBD_DYNAMIC_RESYNC: _DRBD_DEFAULTS[LDP_DYNAMIC_RESYNC],
1781     DRBD_PLAN_AHEAD: _DRBD_DEFAULTS[LDP_PLAN_AHEAD],
1782     DRBD_FILL_TARGET: _DRBD_DEFAULTS[LDP_FILL_TARGET],
1783     DRBD_DELAY_TARGET: _DRBD_DEFAULTS[LDP_DELAY_TARGET],
1784     DRBD_MAX_RATE: _DRBD_DEFAULTS[LDP_MAX_RATE],
1785     DRBD_MIN_RATE: _DRBD_DEFAULTS[LDP_MIN_RATE],
1786     },
1787   DT_DISKLESS: {},
1788   DT_FILE: {},
1789   DT_SHARED_FILE: {},
1790   DT_BLOCK: {},
1791   DT_RBD: {
1792     RBD_POOL: DISK_LD_DEFAULTS[DT_RBD][LDP_POOL],
1793     RBD_ACCESS: DISK_LD_DEFAULTS[DT_RBD][LDP_ACCESS],
1794     },
1795   DT_EXT: {},
1796   }
1797
1798 # we don't want to export the shortcuts
1799 del _LV_DEFAULTS, _DRBD_DEFAULTS
1800
1801 NICC_DEFAULTS = {
1802   NIC_MODE: NIC_MODE_BRIDGED,
1803   NIC_LINK: DEFAULT_BRIDGE,
1804   NIC_VLAN: VALUE_HS_NOTHING,
1805   }
1806
1807 # All of the following values are quite arbitrarily - there are no
1808 # "good" defaults, these must be customised per-site
1809 ISPECS_MINMAX_DEFAULTS = {
1810   ISPECS_MIN: {
1811     ISPEC_MEM_SIZE: 128,
1812     ISPEC_CPU_COUNT: 1,
1813     ISPEC_DISK_COUNT: 1,
1814     ISPEC_DISK_SIZE: 1024,
1815     ISPEC_NIC_COUNT: 1,
1816     ISPEC_SPINDLE_USE: 1,
1817     },
1818   ISPECS_MAX: {
1819     ISPEC_MEM_SIZE: 32768,
1820     ISPEC_CPU_COUNT: 8,
1821     ISPEC_DISK_COUNT: MAX_DISKS,
1822     ISPEC_DISK_SIZE: 1024 * 1024,
1823     ISPEC_NIC_COUNT: MAX_NICS,
1824     ISPEC_SPINDLE_USE: 12,
1825     },
1826   }
1827 IPOLICY_DEFAULTS = {
1828   ISPECS_MINMAX: [ISPECS_MINMAX_DEFAULTS],
1829   ISPECS_STD: {
1830     ISPEC_MEM_SIZE: 128,
1831     ISPEC_CPU_COUNT: 1,
1832     ISPEC_DISK_COUNT: 1,
1833     ISPEC_DISK_SIZE: 1024,
1834     ISPEC_NIC_COUNT: 1,
1835     ISPEC_SPINDLE_USE: 1,
1836     },
1837   IPOLICY_DTS: list(DISK_TEMPLATES),
1838   IPOLICY_VCPU_RATIO: 4.0,
1839   IPOLICY_SPINDLE_RATIO: 32.0,
1840   }
1841
1842 MASTER_POOL_SIZE_DEFAULT = 10
1843
1844 # Exclusive storage:
1845 # Error margin used to compare physical disks
1846 PART_MARGIN = .01
1847 # Space reserved when creating instance disks
1848 PART_RESERVED = .02
1849
1850 CONFD_PROTOCOL_VERSION = _constants.CONFD_PROTOCOL_VERSION
1851
1852 CONFD_REQ_PING = _constants.CONFD_REQ_PING
1853 CONFD_REQ_NODE_ROLE_BYNAME = _constants.CONFD_REQ_NODE_ROLE_BYNAME
1854 CONFD_REQ_NODE_PIP_BY_INSTANCE_IP = _constants.CONFD_REQ_NODE_PIP_BY_INSTANCE_IP
1855 CONFD_REQ_CLUSTER_MASTER = _constants.CONFD_REQ_CLUSTER_MASTER
1856 CONFD_REQ_NODE_PIP_LIST = _constants.CONFD_REQ_NODE_PIP_LIST
1857 CONFD_REQ_MC_PIP_LIST = _constants.CONFD_REQ_MC_PIP_LIST
1858 CONFD_REQ_INSTANCES_IPS_LIST = _constants.CONFD_REQ_INSTANCES_IPS_LIST
1859 CONFD_REQ_NODE_DRBD = _constants.CONFD_REQ_NODE_DRBD
1860 CONFD_REQ_NODE_INSTANCES = _constants.CONFD_REQ_NODE_INSTANCES
1861 CONFD_REQS = _constants.CONFD_REQS
1862
1863 # Confd request query fields. These are used to narrow down queries.
1864 # These must be strings rather than integers, because json-encoding
1865 # converts them to strings anyway, as they're used as dict-keys.
1866 CONFD_REQQ_LINK = _constants.CONFD_REQQ_LINK
1867 CONFD_REQQ_IP = _constants.CONFD_REQQ_IP
1868 CONFD_REQQ_IPLIST = _constants.CONFD_REQQ_IPLIST
1869 CONFD_REQQ_FIELDS = _constants.CONFD_REQQ_FIELDS
1870
1871 # FIXME: perhaps update code that uses these constants to deal with
1872 # integers instead of strings
1873 CONFD_REQFIELD_NAME = str(_constants.CONFD_REQFIELD_NAME)
1874 CONFD_REQFIELD_IP = str(_constants.CONFD_REQFIELD_IP)
1875 CONFD_REQFIELD_MNODE_PIP = str(_constants.CONFD_REQFIELD_MNODE_PIP)
1876
1877 CONFD_REPL_STATUS_OK = _constants.CONFD_REPL_STATUS_OK
1878 CONFD_REPL_STATUS_ERROR = _constants.CONFD_REPL_STATUS_ERROR
1879 CONFD_REPL_STATUS_NOTIMPLEMENTED = _constants.CONFD_REPL_STATUS_NOTIMPLEMENTED
1880 CONFD_REPL_STATUSES = _constants.CONFD_REPL_STATUSES
1881
1882 CONFD_NODE_ROLE_MASTER = _constants.CONFD_NODE_ROLE_MASTER
1883 CONFD_NODE_ROLE_CANDIDATE = _constants.CONFD_NODE_ROLE_CANDIDATE
1884 CONFD_NODE_ROLE_OFFLINE = _constants.CONFD_NODE_ROLE_OFFLINE
1885 CONFD_NODE_ROLE_DRAINED = _constants.CONFD_NODE_ROLE_DRAINED
1886 CONFD_NODE_ROLE_REGULAR = _constants.CONFD_NODE_ROLE_REGULAR
1887
1888 CONFD_ERROR_UNKNOWN_ENTRY = _constants.CONFD_ERROR_UNKNOWN_ENTRY
1889 CONFD_ERROR_INTERNAL = _constants.CONFD_ERROR_INTERNAL
1890 CONFD_ERROR_ARGUMENT = _constants.CONFD_ERROR_ARGUMENT
1891
1892 # Each request is "salted" by the current timestamp.
1893 # This constants decides how many seconds of skew to accept.
1894 # TODO: make this a default and allow the value to be more configurable
1895 CONFD_MAX_CLOCK_SKEW = _constants.CONFD_MAX_CLOCK_SKEW
1896
1897 # When we haven't reloaded the config for more than this amount of
1898 # seconds, we force a test to see if inotify is betraying us. Using a
1899 # prime number to ensure we get less chance of 'same wakeup' with
1900 # other processes.
1901 CONFD_CONFIG_RELOAD_TIMEOUT = _constants.CONFD_CONFIG_RELOAD_TIMEOUT
1902
1903 # If we receive more than one update in this amount of microseconds,
1904 # we move to polling every RATELIMIT seconds, rather than relying on
1905 # inotify, to be able to serve more requests.
1906 CONFD_CONFIG_RELOAD_RATELIMIT = _constants.CONFD_CONFIG_RELOAD_RATELIMIT
1907
1908 # Magic number prepended to all confd queries.
1909 # This allows us to distinguish different types of confd protocols and handle
1910 # them. For example by changing this we can move the whole payload to be
1911 # compressed, or move away from json.
1912 CONFD_MAGIC_FOURCC = _constants.CONFD_MAGIC_FOURCC
1913
1914 # By default a confd request is sent to the minimum between this number and all
1915 # MCs. 6 was chosen because even in the case of a disastrous 50% response rate,
1916 # we should have enough answers to be able to compare more than one.
1917 CONFD_DEFAULT_REQ_COVERAGE = _constants.CONFD_DEFAULT_REQ_COVERAGE
1918
1919 # Timeout in seconds to expire pending query request in the confd client
1920 # library. We don't actually expect any answer more than 10 seconds after we
1921 # sent a request.
1922 CONFD_CLIENT_EXPIRE_TIMEOUT = _constants.CONFD_CLIENT_EXPIRE_TIMEOUT
1923
1924 # Maximum UDP datagram size.
1925 # On IPv4: 64K - 20 (ip header size) - 8 (udp header size) = 65507
1926 # On IPv6: 64K - 40 (ip6 header size) - 8 (udp header size) = 65487
1927 #   (assuming we can't use jumbo frames)
1928 # We just set this to 60K, which should be enough
1929 MAX_UDP_DATA_SIZE = 61440
1930
1931 # User-id pool minimum/maximum acceptable user-ids.
1932 UIDPOOL_UID_MIN = 0
1933 UIDPOOL_UID_MAX = 2 ** 32 - 1 # Assuming 32 bit user-ids
1934
1935 # Name or path of the pgrep command
1936 PGREP = "pgrep"
1937
1938 # Name of the node group that gets created at cluster init or upgrade
1939 INITIAL_NODE_GROUP_NAME = "default"
1940
1941 # Possible values for NodeGroup.alloc_policy
1942 ALLOC_POLICY_PREFERRED = _constants.ALLOC_POLICY_PREFERRED
1943 ALLOC_POLICY_LAST_RESORT = _constants.ALLOC_POLICY_LAST_RESORT
1944 ALLOC_POLICY_UNALLOCABLE = _constants.ALLOC_POLICY_UNALLOCABLE
1945 VALID_ALLOC_POLICIES = _constants.VALID_ALLOC_POLICIES
1946
1947 # Temporary external/shared storage parameters
1948 BLOCKDEV_DRIVER_MANUAL = _constants.BLOCKDEV_DRIVER_MANUAL
1949
1950 # qemu-img path, required for ovfconverter
1951 QEMUIMG_PATH = _constants.QEMUIMG_PATH
1952
1953 # Whether htools was enabled at compilation time
1954 HTOOLS = _constants.HTOOLS
1955 # The hail iallocator
1956 IALLOC_HAIL = "hail"
1957
1958 # Fake opcodes for functions that have hooks attached to them via
1959 # backend.RunLocalHooks
1960 FAKE_OP_MASTER_TURNUP = "OP_CLUSTER_IP_TURNUP"
1961 FAKE_OP_MASTER_TURNDOWN = "OP_CLUSTER_IP_TURNDOWN"
1962
1963 # SSH key types
1964 SSHK_RSA = "rsa"
1965 SSHK_DSA = "dsa"
1966 SSHK_ALL = compat.UniqueFrozenset([SSHK_RSA, SSHK_DSA])
1967
1968 # SSH authorized key types
1969 SSHAK_RSA = "ssh-rsa"
1970 SSHAK_DSS = "ssh-dss"
1971 SSHAK_ALL = compat.UniqueFrozenset([SSHAK_RSA, SSHAK_DSS])
1972
1973 # SSH setup
1974 SSHS_CLUSTER_NAME = "cluster_name"
1975 SSHS_SSH_HOST_KEY = "ssh_host_key"
1976 SSHS_SSH_ROOT_KEY = "ssh_root_key"
1977 SSHS_NODE_DAEMON_CERTIFICATE = "node_daemon_certificate"
1978
1979 #: Key files for SSH daemon
1980 SSH_DAEMON_KEYFILES = {
1981   SSHK_RSA: (pathutils.SSH_HOST_RSA_PRIV, pathutils.SSH_HOST_RSA_PUB),
1982   SSHK_DSA: (pathutils.SSH_HOST_DSA_PRIV, pathutils.SSH_HOST_DSA_PUB),
1983   }
1984
1985 # Node daemon setup
1986 NDS_CLUSTER_NAME = "cluster_name"
1987 NDS_NODE_DAEMON_CERTIFICATE = "node_daemon_certificate"
1988 NDS_SSCONF = "ssconf"
1989 NDS_START_NODE_DAEMON = "start_node_daemon"
1990
1991 # Path generating random UUID
1992 RANDOM_UUID_FILE = _constants.RANDOM_UUID_FILE
1993
1994 # Regex string for verifying a UUID
1995 UUID_REGEX = "^[a-f0-9]{8}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{12}$"
1996
1997 # Auto-repair tag prefixes
1998 AUTO_REPAIR_TAG_PREFIX = _constants.AUTO_REPAIR_TAG_PREFIX
1999 AUTO_REPAIR_TAG_ENABLED = _constants.AUTO_REPAIR_TAG_ENABLED
2000 AUTO_REPAIR_TAG_SUSPENDED = _constants.AUTO_REPAIR_TAG_SUSPENDED
2001 AUTO_REPAIR_TAG_PENDING = _constants.AUTO_REPAIR_TAG_PENDING
2002 AUTO_REPAIR_TAG_RESULT = _constants.AUTO_REPAIR_TAG_RESULT
2003
2004 # Auto-repair levels
2005 AUTO_REPAIR_FIX_STORAGE = _constants.AUTO_REPAIR_FIX_STORAGE
2006 AUTO_REPAIR_MIGRATE = _constants.AUTO_REPAIR_MIGRATE
2007 AUTO_REPAIR_FAILOVER = _constants.AUTO_REPAIR_FAILOVER
2008 AUTO_REPAIR_REINSTALL = _constants.AUTO_REPAIR_REINSTALL
2009 AUTO_REPAIR_ALL_TYPES = _constants.AUTO_REPAIR_ALL_TYPES
2010
2011 # Auto-repair results
2012 AUTO_REPAIR_SUCCESS = _constants.AUTO_REPAIR_SUCCESS
2013 AUTO_REPAIR_FAILURE = _constants.AUTO_REPAIR_FAILURE
2014 AUTO_REPAIR_ENOPERM = _constants.AUTO_REPAIR_ENOPERM
2015 AUTO_REPAIR_ALL_RESULTS = _constants.AUTO_REPAIR_ALL_RESULTS
2016
2017 # The version identifier for builtin data collectors
2018 BUILTIN_DATA_COLLECTOR_VERSION = _constants.BUILTIN_DATA_COLLECTOR_VERSION
2019
2020 # The reason trail opcode parameter name
2021 OPCODE_REASON = _constants.OPCODE_REASON
2022
2023 # The source reasons for the execution of an OpCode
2024 OPCODE_REASON_SRC_CLIENT = "gnt:client"
2025 OPCODE_REASON_SRC_NODED = "gnt:daemon:noded"
2026 OPCODE_REASON_SRC_OPCODE = "gnt:opcode"
2027 OPCODE_REASON_SRC_RLIB2 = "gnt:library:rlib2"
2028 OPCODE_REASON_SRC_USER = "gnt:user"
2029
2030 OPCODE_REASON_SOURCES = compat.UniqueFrozenset([
2031   OPCODE_REASON_SRC_CLIENT,
2032   OPCODE_REASON_SRC_NODED,
2033   OPCODE_REASON_SRC_OPCODE,
2034   OPCODE_REASON_SRC_RLIB2,
2035   OPCODE_REASON_SRC_USER,
2036   ])
2037
2038 DISKSTATS_FILE = _constants.DISKSTATS_FILE
2039
2040 # CPU load collector variables
2041 STAT_FILE = _constants.STAT_FILE
2042 CPUAVGLOAD_BUFFER_SIZE = _constants.CPUAVGLOAD_BUFFER_SIZE
2043 CPUAVGLOAD_WINDOW_SIZE = _constants.CPUAVGLOAD_WINDOW_SIZE
2044
2045 # Mond's variable for periodical data collection
2046 MOND_TIME_INTERVAL = _constants.MOND_TIME_INTERVAL
2047
2048 # MonD's latest API version
2049 MOND_LATEST_API_VERSION = 1
2050
2051 # Timeouts for upgrades
2052
2053 UPGRADE_QUEUE_DRAIN_TIMEOUT = _constants.UPGRADE_QUEUE_DRAIN_TIMEOUT
2054 UPGRADE_QUEUE_POLL_INTERVAL = _constants.UPGRADE_QUEUE_POLL_INTERVAL
2055
2056 # Do not re-export imported modules
2057 del re, _vcsversion, _constants, socket, pathutils, compat
2058
2059
2060 ALLOCATABLE_KEY = "allocatable"
2061 FAILED_KEY = "failed"