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

   1 #
   2 #
   3
   4 # Copyright (C) 2006, 2007 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 from ganeti import _autoconf
  25
  26 # various versions
  27 PROTOCOL_VERSION = 20
  28 RELEASE_VERSION = _autoconf.PACKAGE_VERSION
  29 OS_API_V10 = 10
  30 OS_API_V15 = 15
  31 OS_API_VERSIONS = frozenset([OS_API_V10, OS_API_V15])
  32 EXPORT_VERSION = 0
  33 RAPI_VERSION = 2
  34
  35
  36 # Format for CONFIG_VERSION:
  37 #   01 03 0123 = 01030123
  38 #   ^^ ^^ ^^^^
  39 #   |  |  + Configuration version/revision
  40 #   |  + Minor version
  41 #   + Major version
  42 #
  43 # It stored as an integer. Make sure not to write an octal number.
  44
  45 # BuildVersion and SplitVersion must be in here because we can't import other
  46 # modules. The cfgupgrade tool must be able to read and write version numbers
  47 # and thus requires these functions. To avoid code duplication, they're kept in
  48 # here.
  49
  50 def BuildVersion(major, minor, revision):
  51   """Calculates int version number from major, minor and revision numbers.
  52
  53   Returns: int representing version number
  54
  55   """
  56   assert isinstance(major, int)
  57   assert isinstance(minor, int)
  58   assert isinstance(revision, int)
  59   return (1000000 * major +
  60             10000 * minor +
  61                 1 * revision)
  62
  63
  64 def SplitVersion(version):
  65   """Splits version number stored in an int.
  66
  67   Returns: tuple; (major, minor, revision)
  68
  69   """
  70   assert isinstance(version, int)
  71
  72   (major, remainder) = divmod(version, 1000000)
  73   (minor, revision) = divmod(remainder, 10000)
  74
  75   return (major, minor, revision)
  76
  77
  78 CONFIG_MAJOR = int(_autoconf.VERSION_MAJOR)
  79 CONFIG_MINOR = int(_autoconf.VERSION_MINOR)
  80 CONFIG_REVISION = 0
  81 CONFIG_VERSION = BuildVersion(CONFIG_MAJOR, CONFIG_MINOR, CONFIG_REVISION)
  82
  83 # file paths
  84 DATA_DIR = _autoconf.LOCALSTATEDIR + "/lib/ganeti"
  85 RUN_DIR = _autoconf.LOCALSTATEDIR + "/run"
  86 RUN_GANETI_DIR = RUN_DIR + "/ganeti"
  87 BDEV_CACHE_DIR = RUN_GANETI_DIR + "/bdev-cache"
  88 DISK_LINKS_DIR = RUN_GANETI_DIR + "/instance-disks"
  89 RUN_DIRS_MODE = 0755
  90 SOCKET_DIR = RUN_GANETI_DIR + "/socket"
  91 SOCKET_DIR_MODE = 0700
  92 # keep RUN_GANETI_DIR first here, to make sure all get created when the node
  93 # daemon is started (this takes care of RUN_DIR being tmpfs)
  94 SUB_RUN_DIRS = [ RUN_GANETI_DIR, BDEV_CACHE_DIR, DISK_LINKS_DIR ]
  95 LOCK_DIR = _autoconf.LOCALSTATEDIR + "/lock"
  96 SSCONF_LOCK_FILE = LOCK_DIR + "/ganeti-ssconf.lock"
  97 CLUSTER_CONF_FILE = DATA_DIR + "/config.data"
  98 SSL_CERT_FILE = DATA_DIR + "/server.pem"
  99 RAPI_CERT_FILE = DATA_DIR + "/rapi.pem"
 100 HMAC_CLUSTER_KEY = DATA_DIR + "/hmac.key"
 101 WATCHER_STATEFILE = DATA_DIR + "/watcher.data"
 102 INSTANCE_UPFILE = RUN_GANETI_DIR + "/instance-status"
 103 SSH_KNOWN_HOSTS_FILE = DATA_DIR + "/known_hosts"
 104 RAPI_USERS_FILE = DATA_DIR + "/rapi_users"
 105 QUEUE_DIR = DATA_DIR + "/queue"
 106 ETC_HOSTS = "/etc/hosts"
 107 DEFAULT_FILE_STORAGE_DIR = _autoconf.FILE_STORAGE_DIR
 108 SYSCONFDIR = _autoconf.SYSCONFDIR
 109
 110 MASTER_SOCKET = SOCKET_DIR + "/ganeti-master"
 111
 112 NODE_INITD_SCRIPT = _autoconf.SYSCONFDIR + "/init.d/ganeti"
 113
 114 NODED = "ganeti-noded"
 115 RAPI = "ganeti-rapi"
 116 MASTERD = "ganeti-masterd"
 117
 118 MULTITHREADED_DAEMONS = frozenset([MASTERD])
 119
 120 DAEMONS_SSL = {
 121   # daemon-name: (default-cert-path, default-key-path)
 122   NODED: (SSL_CERT_FILE, SSL_CERT_FILE),
 123   RAPI: (RAPI_CERT_FILE, RAPI_CERT_FILE),
 124 }
 125
 126 DAEMONS_PORTS = {
 127   # daemon-name: ("proto", "default-port")
 128   NODED: ("tcp", 1811),
 129   RAPI: ("tcp", 5080),
 130 }
 131 DEFAULT_NODED_PORT = DAEMONS_PORTS[NODED][1]
 132 DEFAULT_RAPI_PORT = DAEMONS_PORTS[RAPI][1]
 133
 134 FIRST_DRBD_PORT = 11000
 135 LAST_DRBD_PORT = 14999
 136 MASTER_SCRIPT = "ganeti-master"
 137
 138 LOG_DIR = _autoconf.LOCALSTATEDIR + "/log/ganeti/"
 139 DAEMONS_LOGFILES = {
 140  # "daemon-name": "logfile"
 141  NODED: LOG_DIR + "node-daemon.log",
 142  RAPI: LOG_DIR + "rapi-daemon.log",
 143  MASTERD: LOG_DIR + "master-daemon.log",
 144 }
 145 LOG_OS_DIR = LOG_DIR + "os"
 146 LOG_WATCHER = LOG_DIR + "watcher.log"
 147 LOG_COMMANDS = LOG_DIR + "commands.log"
 148 LOG_BURNIN = LOG_DIR + "burnin.log"
 149
 150 OS_SEARCH_PATH = _autoconf.OS_SEARCH_PATH
 151 EXPORT_DIR = _autoconf.EXPORT_DIR
 152
 153 EXPORT_CONF_FILE = "config.ini"
 154
 155 XEN_KERNEL = _autoconf.XEN_KERNEL
 156 XEN_INITRD = _autoconf.XEN_INITRD
 157
 158 KVM_PATH = _autoconf.KVM_PATH
 159 SOCAT_PATH = _autoconf.SOCAT_PATH
 160 KVM_MIGRATION_PORT = _autoconf.KVM_MIGRATION_PORT
 161
 162 VALUE_DEFAULT = "default"
 163 VALUE_AUTO = "auto"
 164 VALUE_GENERATE = "generate"
 165 VALUE_NONE = "none"
 166 VALUE_TRUE = "true"
 167 VALUE_FALSE = "false"
 168
 169 # hooks-related constants
 170 HOOKS_BASE_DIR = _autoconf.SYSCONFDIR + "/ganeti/hooks"
 171 HOOKS_PHASE_PRE = "pre"
 172 HOOKS_PHASE_POST = "post"
 173 HOOKS_NAME_CFGUPDATE = "config-update"
 174 HOOKS_VERSION = 2
 175
 176 # hooks subject type (what object type does the LU deal with)
 177 HTYPE_CLUSTER = "CLUSTER"
 178 HTYPE_NODE = "NODE"
 179 HTYPE_INSTANCE = "INSTANCE"
 180
 181 HKR_SKIP = 0
 182 HKR_FAIL = 1
 183 HKR_SUCCESS = 2
 184
 185 # Storage types
 186 ST_FILE = "file"
 187 ST_LVM_PV = "lvm-pv"
 188 ST_LVM_VG = "lvm-vg"
 189
 190 # Storage fields
 191 SF_NAME = "name"
 192 SF_SIZE = "size"
 193 SF_FREE = "free"
 194 SF_USED = "used"
 195 SF_ALLOCATABLE = "allocatable"
 196
 197 # Available fields per storage type
 198 VALID_STORAGE_FIELDS = {
 199   ST_FILE: frozenset([SF_NAME, SF_USED, SF_FREE]),
 200   ST_LVM_PV: frozenset([SF_NAME, SF_SIZE, SF_USED, SF_FREE, SF_ALLOCATABLE]),
 201   ST_LVM_VG: frozenset([SF_NAME, SF_SIZE]),
 202   }
 203
 204 MODIFIABLE_STORAGE_FIELDS = {
 205   ST_LVM_PV: frozenset([SF_ALLOCATABLE]),
 206   }
 207
 208 # disk template types
 209 DT_DISKLESS = "diskless"
 210 DT_PLAIN = "plain"
 211 DT_DRBD8 = "drbd"
 212 DT_FILE = "file"
 213
 214 # the set of network-mirrored disk templates
 215 DTS_NET_MIRROR = frozenset([DT_DRBD8])
 216
 217 # the set of non-lvm-based disk templates
 218 DTS_NOT_LVM = frozenset([DT_DISKLESS, DT_FILE])
 219
 220 # logical disk types
 221 LD_LV = "lvm"
 222 LD_DRBD8 = "drbd8"
 223 LD_FILE = "file"
 224 LDS_BLOCK = frozenset([LD_LV, LD_DRBD8])
 225
 226 # drbd constants
 227 DRBD_HMAC_ALG = "md5"
 228 DRBD_NET_PROTOCOL = "C"
 229
 230 # file backend driver
 231 FD_LOOP = "loop"
 232 FD_BLKTAP = "blktap"
 233
 234 # the set of drbd-like disk types
 235 LDS_DRBD = frozenset([LD_DRBD8])
 236
 237 # disk access mode
 238 DISK_RDONLY = "ro"
 239 DISK_RDWR = "rw"
 240 DISK_ACCESS_SET = frozenset([DISK_RDONLY, DISK_RDWR])
 241
 242 # disk replacement mode
 243 REPLACE_DISK_PRI = "replace_on_primary"    # replace disks on primary
 244 REPLACE_DISK_SEC = "replace_on_secondary"  # replace disks on secondary
 245 REPLACE_DISK_CHG = "replace_new_secondary" # change secondary node
 246
 247 # lock recalculate mode
 248 LOCKS_REPLACE = 'replace'
 249 LOCKS_APPEND = 'append'
 250
 251 # instance creation modes
 252 INSTANCE_CREATE = "create"
 253 INSTANCE_IMPORT = "import"
 254
 255 DISK_TEMPLATES = frozenset([DT_DISKLESS, DT_PLAIN,
 256                             DT_DRBD8, DT_FILE])
 257
 258 FILE_DRIVER = frozenset([FD_LOOP, FD_BLKTAP])
 259
 260 # import/export config options
 261 INISECT_EXP = "export"
 262 INISECT_INS = "instance"
 263
 264 # dynamic device modification
 265
 266 DDM_ADD = 'add'
 267 DDM_REMOVE = 'remove'
 268
 269 # common exit codes
 270 EXIT_SUCCESS = 0
 271 EXIT_FAILURE = 1
 272 EXIT_NOTCLUSTER = 5
 273 EXIT_NOTMASTER = 11
 274 EXIT_NODESETUP_ERROR = 12
 275 EXIT_CONFIRMATION = 13 # need user confirmation
 276
 277 # tags
 278 TAG_CLUSTER = "cluster"
 279 TAG_NODE = "node"
 280 TAG_INSTANCE = "instance"
 281 MAX_TAG_LEN = 128
 282 MAX_TAGS_PER_OBJ = 4096
 283
 284 # others
 285 DEFAULT_BRIDGE = "xen-br0"
 286 SYNC_SPEED = 60 * 1024
 287 LOCALHOST_IP_ADDRESS = "127.0.0.1"
 288 TCP_PING_TIMEOUT = 10
 289 GANETI_RUNAS = "root"
 290 DEFAULT_VG = "xenvg"
 291 BIND_ADDRESS_GLOBAL = "0.0.0.0"
 292 MIN_VG_SIZE = 20480
 293 DEFAULT_MAC_PREFIX = "aa:00:00"
 294 LVM_STRIPECOUNT = _autoconf.LVM_STRIPECOUNT
 295
 296 # RPC constants
 297 (RPC_ENCODING_NONE,
 298  RPC_ENCODING_ZLIB_BASE64) = range(2)
 299
 300 # os related constants
 301 OS_SCRIPT_CREATE = 'create'
 302 OS_SCRIPT_IMPORT = 'import'
 303 OS_SCRIPT_EXPORT = 'export'
 304 OS_SCRIPT_RENAME = 'rename'
 305 OS_SCRIPTS = frozenset([OS_SCRIPT_CREATE, OS_SCRIPT_IMPORT,
 306                         OS_SCRIPT_EXPORT, OS_SCRIPT_RENAME])
 307
 308 # ssh constants
 309 SSH_INITD_SCRIPT = _autoconf.SSH_INITD_SCRIPT
 310 SSH_CONFIG_DIR = "/etc/ssh/"
 311 SSH_HOST_DSA_PRIV = SSH_CONFIG_DIR + "ssh_host_dsa_key"
 312 SSH_HOST_DSA_PUB = SSH_HOST_DSA_PRIV + ".pub"
 313 SSH_HOST_RSA_PRIV = SSH_CONFIG_DIR + "ssh_host_rsa_key"
 314 SSH_HOST_RSA_PUB = SSH_HOST_RSA_PRIV + ".pub"
 315 SSH = "ssh"
 316 SCP = "scp"
 317
 318 # reboot types
 319 INSTANCE_REBOOT_SOFT = "soft"
 320 INSTANCE_REBOOT_HARD = "hard"
 321 INSTANCE_REBOOT_FULL = "full"
 322
 323 REBOOT_TYPES = frozenset([INSTANCE_REBOOT_SOFT,
 324                           INSTANCE_REBOOT_HARD,
 325                           INSTANCE_REBOOT_FULL])
 326
 327 VTYPE_STRING = 'string'
 328 VTYPE_BOOL = 'bool'
 329 VTYPE_SIZE = 'size' # size, in MiBs
 330 VTYPE_INT = 'int'
 331 ENFORCEABLE_TYPES = frozenset([
 332                       VTYPE_STRING,
 333                       VTYPE_BOOL,
 334                       VTYPE_SIZE,
 335                       VTYPE_INT,
 336                       ])
 337
 338 # HV parameter names (global namespace)
 339 HV_BOOT_ORDER = "boot_order"
 340 HV_CDROM_IMAGE_PATH = "cdrom_image_path"
 341 HV_NIC_TYPE = "nic_type"
 342 HV_DISK_TYPE = "disk_type"
 343 HV_VNC_BIND_ADDRESS = "vnc_bind_address"
 344 HV_VNC_TLS = "vnc_tls"
 345 HV_VNC_X509 = "vnc_x509_path"
 346 HV_VNC_X509_VERIFY = "vnc_x509_verify"
 347 HV_ACPI = "acpi"
 348 HV_PAE = "pae"
 349 HV_KERNEL_ARGS = "kernel_args"
 350 HV_KERNEL_PATH = "kernel_path"
 351 HV_INITRD_PATH = "initrd_path"
 352 HV_ROOT_PATH = "root_path"
 353 HV_SERIAL_CONSOLE = "serial_console"
 354 HV_USB_MOUSE = "usb_mouse"
 355 HV_DEVICE_MODEL = "device_model"
 356 HV_INIT_SCRIPT = "init_script"
 357
 358 HVS_PARAMETER_TYPES = {
 359   HV_BOOT_ORDER: VTYPE_STRING,
 360   HV_CDROM_IMAGE_PATH: VTYPE_STRING,
 361   HV_NIC_TYPE: VTYPE_STRING,
 362   HV_DISK_TYPE: VTYPE_STRING,
 363   HV_VNC_BIND_ADDRESS: VTYPE_STRING,
 364   HV_VNC_TLS: VTYPE_BOOL,
 365   HV_VNC_X509: VTYPE_STRING,
 366   HV_VNC_X509_VERIFY: VTYPE_BOOL,
 367   HV_ACPI: VTYPE_BOOL,
 368   HV_PAE: VTYPE_BOOL,
 369   HV_KERNEL_PATH: VTYPE_STRING,
 370   HV_KERNEL_ARGS: VTYPE_STRING,
 371   HV_INITRD_PATH: VTYPE_STRING,
 372   HV_ROOT_PATH: VTYPE_STRING,
 373   HV_SERIAL_CONSOLE: VTYPE_BOOL,
 374   HV_USB_MOUSE: VTYPE_STRING,
 375   HV_DEVICE_MODEL: VTYPE_STRING,
 376   HV_INIT_SCRIPT: VTYPE_STRING,
 377   }
 378
 379 HVS_PARAMETERS = frozenset(HVS_PARAMETER_TYPES.keys())
 380
 381 # BE parameter names
 382 BE_MEMORY = "memory"
 383 BE_VCPUS = "vcpus"
 384 BE_AUTO_BALANCE = "auto_balance"
 385
 386 BES_PARAMETER_TYPES = {
 387     BE_MEMORY: VTYPE_SIZE,
 388     BE_VCPUS: VTYPE_INT,
 389     BE_AUTO_BALANCE: VTYPE_BOOL,
 390     }
 391
 392 BES_PARAMETERS = frozenset(BES_PARAMETER_TYPES.keys())
 393
 394 # Instance Parameters Profile
 395 PP_DEFAULT = "default"
 396
 397 NIC_MODE = "mode"
 398 NIC_LINK = "link"
 399
 400 NIC_MODE_BRIDGED = "bridged"
 401 NIC_MODE_ROUTED = "routed"
 402
 403 NIC_VALID_MODES = frozenset([NIC_MODE_BRIDGED, NIC_MODE_ROUTED])
 404
 405 NICS_PARAMETER_TYPES = {
 406     NIC_MODE: VTYPE_STRING,
 407     NIC_LINK: VTYPE_STRING,
 408     }
 409
 410 NICS_PARAMETERS = frozenset(NICS_PARAMETER_TYPES.keys())
 411
 412 # Hypervisor constants
 413 HT_XEN_PVM = "xen-pvm"
 414 HT_FAKE = "fake"
 415 HT_XEN_HVM = "xen-hvm"
 416 HT_KVM = "kvm"
 417 HT_CHROOT = "chroot"
 418 HYPER_TYPES = frozenset([HT_XEN_PVM, HT_FAKE, HT_XEN_HVM, HT_KVM, HT_CHROOT])
 419 HTS_REQ_PORT = frozenset([HT_XEN_HVM, HT_KVM])
 420
 421 VNC_BASE_PORT = 5900
 422 VNC_PASSWORD_FILE = _autoconf.SYSCONFDIR + "/ganeti/vnc-cluster-password"
 423 VNC_DEFAULT_BIND_ADDRESS = '0.0.0.0'
 424
 425 # NIC types
 426 HT_NIC_RTL8139 = "rtl8139"
 427 HT_NIC_NE2K_PCI = "ne2k_pci"
 428 HT_NIC_NE2K_ISA = "ne2k_isa"
 429 HT_NIC_I82551 = "i82551"
 430 HT_NIC_I85557B = "i82557b"
 431 HT_NIC_I8259ER = "i82559er"
 432 HT_NIC_PCNET = "pcnet"
 433 HT_NIC_E1000 = "e1000"
 434 HT_NIC_PARAVIRTUAL = HT_DISK_PARAVIRTUAL = "paravirtual"
 435
 436 HT_HVM_VALID_NIC_TYPES = frozenset([HT_NIC_RTL8139, HT_NIC_NE2K_PCI,
 437                                     HT_NIC_NE2K_ISA, HT_NIC_PARAVIRTUAL])
 438 HT_KVM_VALID_NIC_TYPES = frozenset([HT_NIC_RTL8139, HT_NIC_NE2K_PCI,
 439                                     HT_NIC_NE2K_ISA, HT_NIC_I82551,
 440                                     HT_NIC_I85557B, HT_NIC_I8259ER,
 441                                     HT_NIC_PCNET, HT_NIC_E1000,
 442                                     HT_NIC_PARAVIRTUAL])
 443 # Disk types
 444 HT_DISK_IOEMU = "ioemu"
 445 HT_DISK_IDE = "ide"
 446 HT_DISK_SCSI = "scsi"
 447 HT_DISK_SD = "sd"
 448 HT_DISK_MTD = "mtd"
 449 HT_DISK_PFLASH = "pflash"
 450
 451 HT_HVM_VALID_DISK_TYPES = frozenset([HT_DISK_PARAVIRTUAL, HT_DISK_IOEMU])
 452 HT_KVM_VALID_DISK_TYPES = frozenset([HT_DISK_PARAVIRTUAL, HT_DISK_IDE,
 453                                      HT_DISK_SCSI, HT_DISK_SD, HT_DISK_MTD,
 454                                      HT_DISK_PFLASH])
 455
 456 # Mouse types:
 457 HT_MOUSE_MOUSE = "mouse"
 458 HT_MOUSE_TABLET = "tablet"
 459
 460 HT_KVM_VALID_MOUSE_TYPES = frozenset([HT_MOUSE_MOUSE, HT_MOUSE_TABLET])
 461
 462 # Boot order
 463 HT_BO_CDROM = "cdrom"
 464 HT_BO_DISK = "disk"
 465 HT_BO_NETWORK = "network"
 466
 467 HT_KVM_VALID_BO_TYPES = frozenset([HT_BO_CDROM, HT_BO_DISK, HT_BO_NETWORK])
 468
 469 # Cluster Verify steps
 470 VERIFY_NPLUSONE_MEM = 'nplusone_mem'
 471 VERIFY_OPTIONAL_CHECKS = frozenset([VERIFY_NPLUSONE_MEM])
 472
 473 # Node verify constants
 474 NV_FILELIST = "filelist"
 475 NV_HVINFO = "hvinfo"
 476 NV_HYPERVISOR = "hypervisor"
 477 NV_INSTANCELIST = "instancelist"
 478 NV_LVLIST = "lvlist"
 479 NV_NODELIST = "nodelist"
 480 NV_NODENETTEST = "node-net-test"
 481 NV_VERSION = "version"
 482 NV_VGLIST = "vglist"
 483 NV_DRBDLIST = "drbd-list"
 484
 485 # Allocator framework constants
 486 IALLOCATOR_VERSION = 2
 487 IALLOCATOR_DIR_IN = "in"
 488 IALLOCATOR_DIR_OUT = "out"
 489 IALLOCATOR_MODE_ALLOC = "allocate"
 490 IALLOCATOR_MODE_RELOC = "relocate"
 491 IALLOCATOR_SEARCH_PATH = _autoconf.IALLOCATOR_SEARCH_PATH
 492
 493 # Job queue
 494 JOB_QUEUE_VERSION = 1
 495 JOB_QUEUE_LOCK_FILE = QUEUE_DIR + "/lock"
 496 JOB_QUEUE_VERSION_FILE = QUEUE_DIR + "/version"
 497 JOB_QUEUE_SERIAL_FILE = QUEUE_DIR + "/serial"
 498 JOB_QUEUE_ARCHIVE_DIR = QUEUE_DIR + "/archive"
 499 JOB_QUEUE_DRAIN_FILE = QUEUE_DIR + "/drain"
 500 JOB_QUEUE_SIZE_HARD_LIMIT = 5000
 501 JOB_QUEUE_SIZE_SOFT_LIMIT = JOB_QUEUE_SIZE_HARD_LIMIT * 0.8
 502
 503 JOB_ID_TEMPLATE = r"\d+"
 504
 505 # unchanged job return
 506 JOB_NOTCHANGED = "nochange"
 507
 508 # Job status
 509 JOB_STATUS_QUEUED = "queued"
 510 JOB_STATUS_WAITLOCK = "waiting"
 511 JOB_STATUS_CANCELING = "canceling"
 512 JOB_STATUS_RUNNING = "running"
 513 JOB_STATUS_CANCELED = "canceled"
 514 JOB_STATUS_SUCCESS = "success"
 515 JOB_STATUS_ERROR = "error"
 516
 517 # OpCode status
 518 # not yet finalized
 519 OP_STATUS_QUEUED = "queued"
 520 OP_STATUS_WAITLOCK = "waiting"
 521 OP_STATUS_CANCELING = "canceling"
 522 OP_STATUS_RUNNING = "running"
 523 # finalized
 524 OP_STATUS_CANCELED = "canceled"
 525 OP_STATUS_SUCCESS = "success"
 526 OP_STATUS_ERROR = "error"
 527 OPS_FINALIZED = frozenset([OP_STATUS_CANCELED,
 528                            OP_STATUS_SUCCESS,
 529                            OP_STATUS_ERROR])
 530
 531 # Execution log types
 532 ELOG_MESSAGE = "message"
 533 ELOG_PROGRESS = "progress"
 534
 535 # max dynamic devices
 536 MAX_NICS = 8
 537 MAX_DISKS = 16
 538
 539 # SSCONF keys
 540 SS_CLUSTER_NAME = "cluster_name"
 541 SS_CLUSTER_TAGS = "cluster_tags"
 542 SS_FILE_STORAGE_DIR = "file_storage_dir"
 543 SS_MASTER_CANDIDATES = "master_candidates"
 544 SS_MASTER_CANDIDATES_IPS = "master_candidates_ips"
 545 SS_MASTER_IP = "master_ip"
 546 SS_MASTER_NETDEV = "master_netdev"
 547 SS_MASTER_NODE = "master_node"
 548 SS_NODE_LIST = "node_list"
 549 SS_NODE_PRIMARY_IPS = "node_primary_ips"
 550 SS_NODE_SECONDARY_IPS = "node_secondary_ips"
 551 SS_OFFLINE_NODES = "offline_nodes"
 552 SS_ONLINE_NODES = "online_nodes"
 553 SS_INSTANCE_LIST = "instance_list"
 554 SS_RELEASE_VERSION = "release_version"
 555
 556 # cluster wide default parameters
 557 DEFAULT_ENABLED_HYPERVISOR = HT_XEN_PVM
 558
 559 HVC_DEFAULTS = {
 560   HT_XEN_PVM: {
 561     HV_KERNEL_PATH: "/boot/vmlinuz-2.6-xenU",
 562     HV_INITRD_PATH: '',
 563     HV_ROOT_PATH: '/dev/sda1',
 564     HV_KERNEL_ARGS: 'ro',
 565     },
 566   HT_XEN_HVM: {
 567     HV_BOOT_ORDER: "cd",
 568     HV_CDROM_IMAGE_PATH: '',
 569     HV_NIC_TYPE: HT_NIC_RTL8139,
 570     HV_DISK_TYPE: HT_DISK_PARAVIRTUAL,
 571     HV_VNC_BIND_ADDRESS: '0.0.0.0',
 572     HV_ACPI: True,
 573     HV_PAE: True,
 574     HV_KERNEL_PATH: "/usr/lib/xen/boot/hvmloader",
 575     HV_DEVICE_MODEL: "/usr/lib/xen/bin/qemu-dm",
 576     },
 577   HT_KVM: {
 578     HV_KERNEL_PATH: "/boot/vmlinuz-2.6-kvmU",
 579     HV_INITRD_PATH: '',
 580     HV_KERNEL_ARGS: 'ro',
 581     HV_ROOT_PATH: '/dev/vda1',
 582     HV_ACPI: True,
 583     HV_SERIAL_CONSOLE: True,
 584     HV_VNC_BIND_ADDRESS: '',
 585     HV_VNC_TLS: False,
 586     HV_VNC_X509: '',
 587     HV_VNC_X509_VERIFY: False,
 588     HV_CDROM_IMAGE_PATH: '',
 589     HV_BOOT_ORDER: HT_BO_DISK,
 590     HV_NIC_TYPE: HT_NIC_PARAVIRTUAL,
 591     HV_DISK_TYPE: HT_DISK_PARAVIRTUAL,
 592     HV_USB_MOUSE: '',
 593     },
 594   HT_FAKE: {
 595     },
 596   HT_CHROOT: {
 597     HV_INIT_SCRIPT: "/ganeti-chroot",
 598     },
 599   }
 600
 601 BEC_DEFAULTS = {
 602   BE_MEMORY: 128,
 603   BE_VCPUS: 1,
 604   BE_AUTO_BALANCE: True,
 605   }
 606
 607 NICC_DEFAULTS = {
 608   NIC_MODE: NIC_MODE_BRIDGED,
 609   NIC_LINK: DEFAULT_BRIDGE,
 610   }
 611
 612 MASTER_POOL_SIZE_DEFAULT = 10