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