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_PORTS = {
 121   # daemon-name: ("proto", "default-port")
 122   NODED: ("tcp", 1811),
 123   RAPI: ("tcp", 5080),
 124 }
 125 DEFAULT_NODED_PORT = DAEMONS_PORTS[NODED][1]
 126 DEFAULT_RAPI_PORT = DAEMONS_PORTS[RAPI][1]
 127
 128 FIRST_DRBD_PORT = 11000
 129 LAST_DRBD_PORT = 14999
 130 MASTER_SCRIPT = "ganeti-master"
 131
 132 LOG_DIR = _autoconf.LOCALSTATEDIR + "/log/ganeti/"
 133 DAEMONS_LOGFILES = {
 134  # "daemon-name": "logfile"
 135  NODED: LOG_DIR + "node-daemon.log",
 136  RAPI: LOG_DIR + "rapi-daemon.log",
 137  MASTERD: LOG_DIR + "master-daemon.log",
 138 }
 139 LOG_OS_DIR = LOG_DIR + "os"
 140 LOG_WATCHER = LOG_DIR + "watcher.log"
 141 LOG_COMMANDS = LOG_DIR + "commands.log"
 142 LOG_BURNIN = LOG_DIR + "burnin.log"
 143
 144 OS_SEARCH_PATH = _autoconf.OS_SEARCH_PATH
 145 EXPORT_DIR = _autoconf.EXPORT_DIR
 146
 147 EXPORT_CONF_FILE = "config.ini"
 148
 149 XEN_KERNEL = _autoconf.XEN_KERNEL
 150 XEN_INITRD = _autoconf.XEN_INITRD
 151
 152 KVM_PATH = _autoconf.KVM_PATH
 153 SOCAT_PATH = _autoconf.SOCAT_PATH
 154 KVM_MIGRATION_PORT = _autoconf.KVM_MIGRATION_PORT
 155
 156 VALUE_DEFAULT = "default"
 157 VALUE_AUTO = "auto"
 158 VALUE_GENERATE = "generate"
 159 VALUE_NONE = "none"
 160 VALUE_TRUE = "true"
 161 VALUE_FALSE = "false"
 162
 163 # hooks-related constants
 164 HOOKS_BASE_DIR = _autoconf.SYSCONFDIR + "/ganeti/hooks"
 165 HOOKS_PHASE_PRE = "pre"
 166 HOOKS_PHASE_POST = "post"
 167 HOOKS_NAME_CFGUPDATE = "config-update"
 168 HOOKS_VERSION = 2
 169
 170 # hooks subject type (what object type does the LU deal with)
 171 HTYPE_CLUSTER = "CLUSTER"
 172 HTYPE_NODE = "NODE"
 173 HTYPE_INSTANCE = "INSTANCE"
 174
 175 HKR_SKIP = 0
 176 HKR_FAIL = 1
 177 HKR_SUCCESS = 2
 178
 179 # disk template types
 180 DT_DISKLESS = "diskless"
 181 DT_PLAIN = "plain"
 182 DT_DRBD8 = "drbd"
 183 DT_FILE = "file"
 184
 185 # the set of network-mirrored disk templates
 186 DTS_NET_MIRROR = frozenset([DT_DRBD8])
 187
 188 # the set of non-lvm-based disk templates
 189 DTS_NOT_LVM = frozenset([DT_DISKLESS, DT_FILE])
 190
 191 # logical disk types
 192 LD_LV = "lvm"
 193 LD_DRBD8 = "drbd8"
 194 LD_FILE = "file"
 195 LDS_BLOCK = frozenset([LD_LV, LD_DRBD8])
 196
 197 # drbd constants
 198 DRBD_HMAC_ALG = "md5"
 199 DRBD_NET_PROTOCOL = "C"
 200
 201 # file backend driver
 202 FD_LOOP = "loop"
 203 FD_BLKTAP = "blktap"
 204
 205 # the set of drbd-like disk types
 206 LDS_DRBD = frozenset([LD_DRBD8])
 207
 208 # disk access mode
 209 DISK_RDONLY = "ro"
 210 DISK_RDWR = "rw"
 211 DISK_ACCESS_SET = frozenset([DISK_RDONLY, DISK_RDWR])
 212
 213 # disk replacement mode
 214 REPLACE_DISK_PRI = "replace_on_primary"    # replace disks on primary
 215 REPLACE_DISK_SEC = "replace_on_secondary"  # replace disks on secondary
 216 REPLACE_DISK_CHG = "replace_new_secondary" # change secondary node
 217
 218 # lock recalculate mode
 219 LOCKS_REPLACE = 'replace'
 220 LOCKS_APPEND = 'append'
 221
 222 # instance creation modes
 223 INSTANCE_CREATE = "create"
 224 INSTANCE_IMPORT = "import"
 225
 226 DISK_TEMPLATES = frozenset([DT_DISKLESS, DT_PLAIN,
 227                             DT_DRBD8, DT_FILE])
 228
 229 FILE_DRIVER = frozenset([FD_LOOP, FD_BLKTAP])
 230
 231 # import/export config options
 232 INISECT_EXP = "export"
 233 INISECT_INS = "instance"
 234
 235 # dynamic device modification
 236
 237 DDM_ADD = 'add'
 238 DDM_REMOVE = 'remove'
 239
 240 # common exit codes
 241 EXIT_SUCCESS = 0
 242 EXIT_FAILURE = 1
 243 EXIT_NOTCLUSTER = 5
 244 EXIT_NOTMASTER = 11
 245 EXIT_NODESETUP_ERROR = 12
 246 EXIT_CONFIRMATION = 13 # need user confirmation
 247
 248 # tags
 249 TAG_CLUSTER = "cluster"
 250 TAG_NODE = "node"
 251 TAG_INSTANCE = "instance"
 252 MAX_TAG_LEN = 128
 253 MAX_TAGS_PER_OBJ = 4096
 254
 255 # others
 256 DEFAULT_BRIDGE = "xen-br0"
 257 SYNC_SPEED = 60 * 1024
 258 LOCALHOST_IP_ADDRESS = "127.0.0.1"
 259 TCP_PING_TIMEOUT = 10
 260 GANETI_RUNAS = "root"
 261 DEFAULT_VG = "xenvg"
 262 BIND_ADDRESS_GLOBAL = "0.0.0.0"
 263 MIN_VG_SIZE = 20480
 264 DEFAULT_MAC_PREFIX = "aa:00:00"
 265 LVM_STRIPECOUNT = _autoconf.LVM_STRIPECOUNT
 266
 267 # RPC constants
 268 (RPC_ENCODING_NONE,
 269  RPC_ENCODING_ZLIB_BASE64) = range(2)
 270
 271 # os related constants
 272 OS_SCRIPT_CREATE = 'create'
 273 OS_SCRIPT_IMPORT = 'import'
 274 OS_SCRIPT_EXPORT = 'export'
 275 OS_SCRIPT_RENAME = 'rename'
 276 OS_SCRIPTS = frozenset([OS_SCRIPT_CREATE, OS_SCRIPT_IMPORT,
 277                         OS_SCRIPT_EXPORT, OS_SCRIPT_RENAME])
 278
 279 # ssh constants
 280 SSH_INITD_SCRIPT = _autoconf.SSH_INITD_SCRIPT
 281 SSH_CONFIG_DIR = "/etc/ssh/"
 282 SSH_HOST_DSA_PRIV = SSH_CONFIG_DIR + "ssh_host_dsa_key"
 283 SSH_HOST_DSA_PUB = SSH_HOST_DSA_PRIV + ".pub"
 284 SSH_HOST_RSA_PRIV = SSH_CONFIG_DIR + "ssh_host_rsa_key"
 285 SSH_HOST_RSA_PUB = SSH_HOST_RSA_PRIV + ".pub"
 286 SSH = "ssh"
 287 SCP = "scp"
 288
 289 # reboot types
 290 INSTANCE_REBOOT_SOFT = "soft"
 291 INSTANCE_REBOOT_HARD = "hard"
 292 INSTANCE_REBOOT_FULL = "full"
 293
 294 REBOOT_TYPES = frozenset([INSTANCE_REBOOT_SOFT,
 295                           INSTANCE_REBOOT_HARD,
 296                           INSTANCE_REBOOT_FULL])
 297
 298 VTYPE_STRING = 'string'
 299 VTYPE_BOOL = 'bool'
 300 VTYPE_SIZE = 'size' # size, in MiBs
 301 VTYPE_INT = 'int'
 302 ENFORCEABLE_TYPES = frozenset([
 303                       VTYPE_STRING,
 304                       VTYPE_BOOL,
 305                       VTYPE_SIZE,
 306                       VTYPE_INT,
 307                       ])
 308
 309 # HV parameter names (global namespace)
 310 HV_BOOT_ORDER = "boot_order"
 311 HV_CDROM_IMAGE_PATH = "cdrom_image_path"
 312 HV_NIC_TYPE = "nic_type"
 313 HV_DISK_TYPE = "disk_type"
 314 HV_VNC_BIND_ADDRESS = "vnc_bind_address"
 315 HV_VNC_TLS = "vnc_tls"
 316 HV_VNC_X509 = "vnc_x509_path"
 317 HV_VNC_X509_VERIFY = "vnc_x509_verify"
 318 HV_ACPI = "acpi"
 319 HV_PAE = "pae"
 320 HV_KERNEL_ARGS = "kernel_args"
 321 HV_KERNEL_PATH = "kernel_path"
 322 HV_INITRD_PATH = "initrd_path"
 323 HV_ROOT_PATH = "root_path"
 324 HV_SERIAL_CONSOLE = "serial_console"
 325 HV_USB_MOUSE = "usb_mouse"
 326 HV_DEVICE_MODEL = "device_model"
 327
 328 HVS_PARAMETER_TYPES = {
 329   HV_BOOT_ORDER: VTYPE_STRING,
 330   HV_CDROM_IMAGE_PATH: VTYPE_STRING,
 331   HV_NIC_TYPE: VTYPE_STRING,
 332   HV_DISK_TYPE: VTYPE_STRING,
 333   HV_VNC_BIND_ADDRESS: VTYPE_STRING,
 334   HV_VNC_TLS: VTYPE_BOOL,
 335   HV_VNC_X509: VTYPE_STRING,
 336   HV_VNC_X509_VERIFY: VTYPE_BOOL,
 337   HV_ACPI: VTYPE_BOOL,
 338   HV_PAE: VTYPE_BOOL,
 339   HV_KERNEL_PATH: VTYPE_STRING,
 340   HV_KERNEL_ARGS: VTYPE_STRING,
 341   HV_INITRD_PATH: VTYPE_STRING,
 342   HV_ROOT_PATH: VTYPE_STRING,
 343   HV_SERIAL_CONSOLE: VTYPE_BOOL,
 344   HV_USB_MOUSE: VTYPE_STRING,
 345   HV_DEVICE_MODEL: VTYPE_STRING,
 346   }
 347
 348 HVS_PARAMETERS = frozenset(HVS_PARAMETER_TYPES.keys())
 349
 350 # BE parameter names
 351 BE_MEMORY = "memory"
 352 BE_VCPUS = "vcpus"
 353 BE_AUTO_BALANCE = "auto_balance"
 354
 355 BES_PARAMETER_TYPES = {
 356     BE_MEMORY: VTYPE_SIZE,
 357     BE_VCPUS: VTYPE_INT,
 358     BE_AUTO_BALANCE: VTYPE_BOOL,
 359     }
 360
 361 BES_PARAMETERS = frozenset(BES_PARAMETER_TYPES.keys())
 362
 363 # Instance Parameters Profile
 364 PP_DEFAULT = "default"
 365
 366 NIC_MODE = "mode"
 367 NIC_LINK = "link"
 368
 369 NIC_MODE_BRIDGED = "bridged"
 370 NIC_MODE_ROUTED = "routed"
 371
 372 NIC_VALID_MODES = frozenset([NIC_MODE_BRIDGED, NIC_MODE_ROUTED])
 373
 374 NICS_PARAMETER_TYPES = {
 375     NIC_MODE: VTYPE_STRING,
 376     NIC_LINK: VTYPE_STRING,
 377     }
 378
 379 NICS_PARAMETERS = frozenset(NICS_PARAMETER_TYPES.keys())
 380
 381 # Hypervisor constants
 382 HT_XEN_PVM = "xen-pvm"
 383 HT_FAKE = "fake"
 384 HT_XEN_HVM = "xen-hvm"
 385 HT_KVM = "kvm"
 386 HYPER_TYPES = frozenset([HT_XEN_PVM, HT_FAKE, HT_XEN_HVM, HT_KVM])
 387 HTS_REQ_PORT = frozenset([HT_XEN_HVM, HT_KVM])
 388
 389 VNC_BASE_PORT = 5900
 390 VNC_PASSWORD_FILE = _autoconf.SYSCONFDIR + "/ganeti/vnc-cluster-password"
 391 VNC_DEFAULT_BIND_ADDRESS = '0.0.0.0'
 392
 393 # NIC types
 394 HT_NIC_RTL8139 = "rtl8139"
 395 HT_NIC_NE2K_PCI = "ne2k_pci"
 396 HT_NIC_NE2K_ISA = "ne2k_isa"
 397 HT_NIC_I82551 = "i82551"
 398 HT_NIC_I85557B = "i82557b"
 399 HT_NIC_I8259ER = "i82559er"
 400 HT_NIC_PCNET = "pcnet"
 401 HT_NIC_E1000 = "e1000"
 402 HT_NIC_PARAVIRTUAL = HT_DISK_PARAVIRTUAL = "paravirtual"
 403
 404 HT_HVM_VALID_NIC_TYPES = frozenset([HT_NIC_RTL8139, HT_NIC_NE2K_PCI,
 405                                     HT_NIC_NE2K_ISA, HT_NIC_PARAVIRTUAL])
 406 HT_KVM_VALID_NIC_TYPES = frozenset([HT_NIC_RTL8139, HT_NIC_NE2K_PCI,
 407                                     HT_NIC_NE2K_ISA, HT_NIC_I82551,
 408                                     HT_NIC_I85557B, HT_NIC_I8259ER,
 409                                     HT_NIC_PCNET, HT_NIC_E1000,
 410                                     HT_NIC_PARAVIRTUAL])
 411 # Disk types
 412 HT_DISK_IOEMU = "ioemu"
 413 HT_DISK_IDE = "ide"
 414 HT_DISK_SCSI = "scsi"
 415 HT_DISK_SD = "sd"
 416 HT_DISK_MTD = "mtd"
 417 HT_DISK_PFLASH = "pflash"
 418
 419 HT_HVM_VALID_DISK_TYPES = frozenset([HT_DISK_PARAVIRTUAL, HT_DISK_IOEMU])
 420 HT_KVM_VALID_DISK_TYPES = frozenset([HT_DISK_PARAVIRTUAL, HT_DISK_IDE,
 421                                      HT_DISK_SCSI, HT_DISK_SD, HT_DISK_MTD,
 422                                      HT_DISK_PFLASH])
 423
 424 # Mouse types:
 425 HT_MOUSE_MOUSE = "mouse"
 426 HT_MOUSE_TABLET = "tablet"
 427
 428 HT_KVM_VALID_MOUSE_TYPES = frozenset([HT_MOUSE_MOUSE, HT_MOUSE_TABLET])
 429
 430 # Boot order
 431 HT_BO_CDROM = "cdrom"
 432 HT_BO_DISK = "disk"
 433 HT_BO_NETWORK = "network"
 434
 435 HT_KVM_VALID_BO_TYPES = frozenset([HT_BO_CDROM, HT_BO_DISK, HT_BO_NETWORK])
 436
 437 # Cluster Verify steps
 438 VERIFY_NPLUSONE_MEM = 'nplusone_mem'
 439 VERIFY_OPTIONAL_CHECKS = frozenset([VERIFY_NPLUSONE_MEM])
 440
 441 # Node verify constants
 442 NV_FILELIST = "filelist"
 443 NV_HVINFO = "hvinfo"
 444 NV_HYPERVISOR = "hypervisor"
 445 NV_INSTANCELIST = "instancelist"
 446 NV_LVLIST = "lvlist"
 447 NV_NODELIST = "nodelist"
 448 NV_NODENETTEST = "node-net-test"
 449 NV_VERSION = "version"
 450 NV_VGLIST = "vglist"
 451 NV_DRBDLIST = "drbd-list"
 452
 453 # Allocator framework constants
 454 IALLOCATOR_VERSION = 2
 455 IALLOCATOR_DIR_IN = "in"
 456 IALLOCATOR_DIR_OUT = "out"
 457 IALLOCATOR_MODE_ALLOC = "allocate"
 458 IALLOCATOR_MODE_RELOC = "relocate"
 459 IALLOCATOR_SEARCH_PATH = _autoconf.IALLOCATOR_SEARCH_PATH
 460
 461 # Job queue
 462 JOB_QUEUE_VERSION = 1
 463 JOB_QUEUE_LOCK_FILE = QUEUE_DIR + "/lock"
 464 JOB_QUEUE_VERSION_FILE = QUEUE_DIR + "/version"
 465 JOB_QUEUE_SERIAL_FILE = QUEUE_DIR + "/serial"
 466 JOB_QUEUE_ARCHIVE_DIR = QUEUE_DIR + "/archive"
 467 JOB_QUEUE_DRAIN_FILE = QUEUE_DIR + "/drain"
 468 JOB_QUEUE_SIZE_HARD_LIMIT = 5000
 469 JOB_QUEUE_SIZE_SOFT_LIMIT = JOB_QUEUE_SIZE_HARD_LIMIT * 0.8
 470
 471 JOB_ID_TEMPLATE = r"\d+"
 472
 473 # unchanged job return
 474 JOB_NOTCHANGED = "nochange"
 475
 476 # Job status
 477 JOB_STATUS_QUEUED = "queued"
 478 JOB_STATUS_WAITLOCK = "waiting"
 479 JOB_STATUS_CANCELING = "canceling"
 480 JOB_STATUS_RUNNING = "running"
 481 JOB_STATUS_CANCELED = "canceled"
 482 JOB_STATUS_SUCCESS = "success"
 483 JOB_STATUS_ERROR = "error"
 484
 485 # OpCode status
 486 # not yet finalized
 487 OP_STATUS_QUEUED = "queued"
 488 OP_STATUS_WAITLOCK = "waiting"
 489 OP_STATUS_CANCELING = "canceling"
 490 OP_STATUS_RUNNING = "running"
 491 # finalized
 492 OP_STATUS_CANCELED = "canceled"
 493 OP_STATUS_SUCCESS = "success"
 494 OP_STATUS_ERROR = "error"
 495 OPS_FINALIZED = frozenset([OP_STATUS_CANCELED,
 496                            OP_STATUS_SUCCESS,
 497                            OP_STATUS_ERROR])
 498
 499 # Execution log types
 500 ELOG_MESSAGE = "message"
 501 ELOG_PROGRESS = "progress"
 502
 503 # max dynamic devices
 504 MAX_NICS = 8
 505 MAX_DISKS = 16
 506
 507 # SSCONF keys
 508 SS_CLUSTER_NAME = "cluster_name"
 509 SS_CLUSTER_TAGS = "cluster_tags"
 510 SS_FILE_STORAGE_DIR = "file_storage_dir"
 511 SS_MASTER_CANDIDATES = "master_candidates"
 512 SS_MASTER_IP = "master_ip"
 513 SS_MASTER_NETDEV = "master_netdev"
 514 SS_MASTER_NODE = "master_node"
 515 SS_NODE_LIST = "node_list"
 516 SS_OFFLINE_NODES = "offline_nodes"
 517 SS_ONLINE_NODES = "online_nodes"
 518 SS_INSTANCE_LIST = "instance_list"
 519 SS_RELEASE_VERSION = "release_version"
 520
 521 # cluster wide default parameters
 522 DEFAULT_ENABLED_HYPERVISOR = HT_XEN_PVM
 523
 524 HVC_DEFAULTS = {
 525   HT_XEN_PVM: {
 526     HV_KERNEL_PATH: "/boot/vmlinuz-2.6-xenU",
 527     HV_INITRD_PATH: '',
 528     HV_ROOT_PATH: '/dev/sda1',
 529     HV_KERNEL_ARGS: 'ro',
 530     },
 531   HT_XEN_HVM: {
 532     HV_BOOT_ORDER: "cd",
 533     HV_CDROM_IMAGE_PATH: '',
 534     HV_NIC_TYPE: HT_NIC_RTL8139,
 535     HV_DISK_TYPE: HT_DISK_PARAVIRTUAL,
 536     HV_VNC_BIND_ADDRESS: '0.0.0.0',
 537     HV_ACPI: True,
 538     HV_PAE: True,
 539     HV_KERNEL_PATH: "/usr/lib/xen/boot/hvmloader",
 540     HV_DEVICE_MODEL: "/usr/lib/xen/bin/qemu-dm",
 541     },
 542   HT_KVM: {
 543     HV_KERNEL_PATH: "/boot/vmlinuz-2.6-kvmU",
 544     HV_INITRD_PATH: '',
 545     HV_KERNEL_ARGS: 'ro',
 546     HV_ROOT_PATH: '/dev/vda1',
 547     HV_ACPI: True,
 548     HV_SERIAL_CONSOLE: True,
 549     HV_VNC_BIND_ADDRESS: '',
 550     HV_VNC_TLS: False,
 551     HV_VNC_X509: '',
 552     HV_VNC_X509_VERIFY: False,
 553     HV_CDROM_IMAGE_PATH: '',
 554     HV_BOOT_ORDER: HT_BO_DISK,
 555     HV_NIC_TYPE: HT_NIC_PARAVIRTUAL,
 556     HV_DISK_TYPE: HT_DISK_PARAVIRTUAL,
 557     HV_USB_MOUSE: '',
 558     },
 559   HT_FAKE: {
 560     },
 561   }
 562
 563 BEC_DEFAULTS = {
 564   BE_MEMORY: 128,
 565   BE_VCPUS: 1,
 566   BE_AUTO_BALANCE: True,
 567   }
 568
 569 NICC_DEFAULTS = {
 570   NIC_MODE: NIC_MODE_BRIDGED,
 571   NIC_LINK: DEFAULT_BRIDGE,
 572   }
 573
 574 MASTER_POOL_SIZE_DEFAULT = 10