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#
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#
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# Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011 Google Inc.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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# General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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# 02110-1301, USA.
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"""Module holding different constants."""
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import re
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from ganeti import _autoconf
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from ganeti import _vcsversion
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# various versions
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RELEASE_VERSION = _autoconf.PACKAGE_VERSION
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OS_API_V10 = 10
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OS_API_V15 = 15
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OS_API_V20 = 20
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OS_API_VERSIONS = frozenset([OS_API_V10, OS_API_V15, OS_API_V20])
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VCS_VERSION = _vcsversion.VCS_VERSION
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EXPORT_VERSION = 0
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RAPI_VERSION = 2
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# Format for CONFIG_VERSION:
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#   01 03 0123 = 01030123
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#   ^^ ^^ ^^^^
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#   |  |  + Configuration version/revision
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#   |  + Minor version
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#   + Major version
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#
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# It stored as an integer. Make sure not to write an octal number.
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# BuildVersion and SplitVersion must be in here because we can't import other
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# modules. The cfgupgrade tool must be able to read and write version numbers
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# and thus requires these functions. To avoid code duplication, they're kept in
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# here.
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def BuildVersion(major, minor, revision):
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  """Calculates int version number from major, minor and revision numbers.
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  Returns: int representing version number
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  """
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  assert isinstance(major, int)
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  assert isinstance(minor, int)
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  assert isinstance(revision, int)
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  return (1000000 * major +
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            10000 * minor +
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                1 * revision)
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def SplitVersion(version):
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  """Splits version number stored in an int.
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  Returns: tuple; (major, minor, revision)
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  """
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  assert isinstance(version, int)
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  (major, remainder) = divmod(version, 1000000)
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  (minor, revision) = divmod(remainder, 10000)
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  return (major, minor, revision)
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CONFIG_MAJOR = int(_autoconf.VERSION_MAJOR)
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CONFIG_MINOR = int(_autoconf.VERSION_MINOR)
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CONFIG_REVISION = 0
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CONFIG_VERSION = BuildVersion(CONFIG_MAJOR, CONFIG_MINOR, CONFIG_REVISION)
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#: RPC protocol version
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PROTOCOL_VERSION = BuildVersion(CONFIG_MAJOR, CONFIG_MINOR, 0)
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# user separation
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DAEMONS_GROUP = _autoconf.DAEMONS_GROUP
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ADMIN_GROUP = _autoconf.ADMIN_GROUP
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MASTERD_USER = _autoconf.MASTERD_USER
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MASTERD_GROUP = _autoconf.MASTERD_GROUP
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RAPI_USER = _autoconf.RAPI_USER
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RAPI_GROUP = _autoconf.RAPI_GROUP
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CONFD_USER = _autoconf.CONFD_USER
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CONFD_GROUP = _autoconf.CONFD_GROUP
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NODED_USER = _autoconf.NODED_USER
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NODED_GROUP = _autoconf.NODED_GROUP
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# Wipe
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DD_CMD = "dd"
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WIPE_BLOCK_SIZE = 1024 ** 2
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MAX_WIPE_CHUNK = 1024 # 1GB
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MIN_WIPE_CHUNK_PERCENT = 10
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# file paths
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DATA_DIR = _autoconf.LOCALSTATEDIR + "/lib/ganeti"
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RUN_DIR = _autoconf.LOCALSTATEDIR + "/run"
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RUN_GANETI_DIR = RUN_DIR + "/ganeti"
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BDEV_CACHE_DIR = RUN_GANETI_DIR + "/bdev-cache"
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DISK_LINKS_DIR = RUN_GANETI_DIR + "/instance-disks"
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RUN_DIRS_MODE = 0775
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SOCKET_DIR = RUN_GANETI_DIR + "/socket"
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SECURE_DIR_MODE = 0700
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SECURE_FILE_MODE = 0600
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SOCKET_DIR_MODE = 0750
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CRYPTO_KEYS_DIR = RUN_GANETI_DIR + "/crypto"
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CRYPTO_KEYS_DIR_MODE = SECURE_DIR_MODE
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IMPORT_EXPORT_DIR = RUN_GANETI_DIR + "/import-export"
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IMPORT_EXPORT_DIR_MODE = 0755
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ADOPTABLE_BLOCKDEV_ROOT = "/dev/disk/"
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# keep RUN_GANETI_DIR first here, to make sure all get created when the node
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# daemon is started (this takes care of RUN_DIR being tmpfs)
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SUB_RUN_DIRS = [
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  RUN_GANETI_DIR,
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  BDEV_CACHE_DIR,
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  DISK_LINKS_DIR,
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  ]
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LOCK_DIR = _autoconf.LOCALSTATEDIR + "/lock"
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SSCONF_LOCK_FILE = LOCK_DIR + "/ganeti-ssconf.lock"
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# User-id pool lock directory
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# The user-ids that are in use have a corresponding lock file in this directory
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UIDPOOL_LOCKDIR = RUN_GANETI_DIR + "/uid-pool"
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CLUSTER_CONF_FILE = DATA_DIR + "/config.data"
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NODED_CERT_FILE = DATA_DIR + "/server.pem"
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RAPI_CERT_FILE = DATA_DIR + "/rapi.pem"
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CONFD_HMAC_KEY = DATA_DIR + "/hmac.key"
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SPICE_CERT_FILE = DATA_DIR + "/spice.pem"
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SPICE_CACERT_FILE = DATA_DIR + "/spice-ca.pem"
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CLUSTER_DOMAIN_SECRET_FILE = DATA_DIR + "/cluster-domain-secret"
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INSTANCE_STATUS_FILE = RUN_GANETI_DIR + "/instance-status"
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SSH_KNOWN_HOSTS_FILE = DATA_DIR + "/known_hosts"
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RAPI_USERS_FILE = DATA_DIR + "/rapi/users"
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QUEUE_DIR = DATA_DIR + "/queue"
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DAEMON_UTIL = _autoconf.PKGLIBDIR + "/daemon-util"
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SETUP_SSH = _autoconf.TOOLSDIR + "/setup-ssh"
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KVM_IFUP = _autoconf.PKGLIBDIR + "/kvm-ifup"
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KVM_CONSOLE_WRAPPER = _autoconf.PKGLIBDIR + "/tools/kvm-console-wrapper"
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XM_CONSOLE_WRAPPER = _autoconf.PKGLIBDIR + "/tools/xm-console-wrapper"
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ETC_HOSTS = "/etc/hosts"
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DEFAULT_FILE_STORAGE_DIR = _autoconf.FILE_STORAGE_DIR
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DEFAULT_SHARED_FILE_STORAGE_DIR = _autoconf.SHARED_FILE_STORAGE_DIR
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ENABLE_FILE_STORAGE = _autoconf.ENABLE_FILE_STORAGE
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ENABLE_SHARED_FILE_STORAGE = _autoconf.ENABLE_SHARED_FILE_STORAGE
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SYSCONFDIR = _autoconf.SYSCONFDIR
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TOOLSDIR = _autoconf.TOOLSDIR
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CONF_DIR = SYSCONFDIR + "/ganeti"
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#: Lock file for watcher, locked in shared mode by watcher; lock in exclusive
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# mode to block watcher (see L{cli._RunWhileClusterStoppedHelper.Call}
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WATCHER_LOCK_FILE = LOCK_DIR + "/ganeti-watcher.lock"
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#: Status file for per-group watcher, locked in exclusive mode by watcher
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WATCHER_GROUP_STATE_FILE = DATA_DIR + "/watcher.%s.data"
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#: File for per-group instance status, merged into L{INSTANCE_STATUS_FILE} by
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#: per-group processes
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WATCHER_GROUP_INSTANCE_STATUS_FILE = DATA_DIR + "/watcher.%s.instance-status"
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#: File containing Unix timestamp until which watcher should be paused
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WATCHER_PAUSEFILE = DATA_DIR + "/watcher.pause"
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ALL_CERT_FILES = frozenset([
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  NODED_CERT_FILE,
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  RAPI_CERT_FILE,
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  SPICE_CERT_FILE,
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  SPICE_CACERT_FILE,
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  ])
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MASTER_SOCKET = SOCKET_DIR + "/ganeti-master"
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NODED = "ganeti-noded"
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CONFD = "ganeti-confd"
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RAPI = "ganeti-rapi"
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MASTERD = "ganeti-masterd"
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# used in the ganeti-nbma project
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NLD = "ganeti-nld"
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DAEMONS_PORTS = {
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  # daemon-name: ("proto", "default-port")
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  NODED: ("tcp", 1811),
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  CONFD: ("udp", 1814),
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  RAPI: ("tcp", 5080),
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  "ssh": ("tcp", 22),
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  # used in the ganeti-nbma project
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  NLD: ("udp", 1816),
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}
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DEFAULT_NODED_PORT = DAEMONS_PORTS[NODED][1]
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DEFAULT_CONFD_PORT = DAEMONS_PORTS[CONFD][1]
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DEFAULT_RAPI_PORT = DAEMONS_PORTS[RAPI][1]
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# used in the ganeti-nbma project
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DEFAULT_NLD_PORT = DAEMONS_PORTS[NLD][1]
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FIRST_DRBD_PORT = 11000
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LAST_DRBD_PORT = 14999
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MASTER_SCRIPT = "ganeti-master"
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LOG_DIR = _autoconf.LOCALSTATEDIR + "/log/ganeti/"
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DAEMONS_LOGFILES = {
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  # "daemon-name": "logfile"
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  NODED: LOG_DIR + "node-daemon.log",
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  CONFD: LOG_DIR + "conf-daemon.log",
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  RAPI: LOG_DIR + "rapi-daemon.log",
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  MASTERD: LOG_DIR + "master-daemon.log",
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  # used in the ganeti-nbma project
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  NLD: LOG_DIR + "nl-daemon.log",
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  }
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LOG_OS_DIR = LOG_DIR + "os"
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LOG_WATCHER = LOG_DIR + "watcher.log"
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LOG_COMMANDS = LOG_DIR + "commands.log"
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LOG_BURNIN = LOG_DIR + "burnin.log"
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LOG_SETUP_SSH = LOG_DIR + "setup-ssh.log"
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DEV_CONSOLE = "/dev/console"
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PROC_MOUNTS = "/proc/mounts"
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# Local UniX Interface related constants
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LUXI_EOM = "\3"
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LUXI_VERSION = CONFIG_VERSION
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# one of "no", "yes", "only"
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SYSLOG_USAGE = _autoconf.SYSLOG_USAGE
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SYSLOG_NO = "no"
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SYSLOG_YES = "yes"
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SYSLOG_ONLY = "only"
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SYSLOG_SOCKET = "/dev/log"
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OS_SEARCH_PATH = _autoconf.OS_SEARCH_PATH
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EXPORT_DIR = _autoconf.EXPORT_DIR
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EXPORT_CONF_FILE = "config.ini"
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XEN_BOOTLOADER = _autoconf.XEN_BOOTLOADER
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XEN_KERNEL = _autoconf.XEN_KERNEL
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XEN_INITRD = _autoconf.XEN_INITRD
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KVM_PATH = _autoconf.KVM_PATH
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SOCAT_PATH = _autoconf.SOCAT_PATH
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SOCAT_USE_ESCAPE = _autoconf.SOCAT_USE_ESCAPE
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SOCAT_USE_COMPRESS = _autoconf.SOCAT_USE_COMPRESS
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SOCAT_ESCAPE_CODE = "0x1d"
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#: Console as SSH command
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CONS_SSH = "ssh"
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#: Console as VNC server
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CONS_VNC = "vnc"
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#: Console as SPICE server
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CONS_SPICE = "spice"
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#: Display a message for console access
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CONS_MESSAGE = "msg"
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#: All console types
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CONS_ALL = frozenset([CONS_SSH, CONS_VNC, CONS_SPICE, CONS_MESSAGE])
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# For RSA keys more bits are better, but they also make operations more
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# expensive. NIST SP 800-131 recommends a minimum of 2048 bits from the year
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# 2010 on.
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RSA_KEY_BITS = 2048
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# Ciphers allowed for SSL connections. For the format, see ciphers(1). A better
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# way to disable ciphers would be to use the exclamation mark (!), but socat
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# versions below 1.5 can't parse exclamation marks in options properly. When
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# modifying the ciphers, ensure not to accidentially add something after it's
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# been removed. Use the "openssl" utility to check the allowed ciphers, e.g.
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# "openssl ciphers -v HIGH:-DES".
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OPENSSL_CIPHERS = "HIGH:-DES:-3DES:-EXPORT:-ADH"
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# Digest used to sign certificates ("openssl x509" uses SHA1 by default)
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X509_CERT_SIGN_DIGEST = "SHA1"
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# Default validity of certificates in days
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X509_CERT_DEFAULT_VALIDITY = 365 * 5
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# commonName (CN) used in certificates
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X509_CERT_CN = "ganeti.example.com"
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X509_CERT_SIGNATURE_HEADER = "X-Ganeti-Signature"
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IMPORT_EXPORT_DAEMON = _autoconf.PKGLIBDIR + "/import-export"
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# Import/export daemon mode
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IEM_IMPORT = "import"
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IEM_EXPORT = "export"
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# Import/export transport compression
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IEC_NONE = "none"
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IEC_GZIP = "gzip"
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IEC_ALL = frozenset([
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  IEC_NONE,
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  IEC_GZIP,
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  ])
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IE_CUSTOM_SIZE = "fd"
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IE_MAGIC_RE = re.compile(r"^[-_.a-zA-Z0-9]{5,100}$")
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# Import/export I/O
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# Direct file I/O, equivalent to a shell's I/O redirection using '<' or '>'
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IEIO_FILE = "file"
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# Raw block device I/O using "dd"
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IEIO_RAW_DISK = "raw"
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# OS definition import/export script
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IEIO_SCRIPT = "script"
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VALUE_DEFAULT = "default"
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VALUE_AUTO = "auto"
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VALUE_GENERATE = "generate"
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VALUE_NONE = "none"
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VALUE_TRUE = "true"
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VALUE_FALSE = "false"
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# External script validation mask
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EXT_PLUGIN_MASK = re.compile("^[a-zA-Z0-9_-]+$")
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# hooks-related constants
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HOOKS_BASE_DIR = CONF_DIR + "/hooks"
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HOOKS_PHASE_PRE = "pre"
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HOOKS_PHASE_POST = "post"
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HOOKS_NAME_CFGUPDATE = "config-update"
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HOOKS_NAME_WATCHER = "watcher"
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HOOKS_VERSION = 2
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# hooks subject type (what object type does the LU deal with)
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HTYPE_CLUSTER = "CLUSTER"
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HTYPE_NODE = "NODE"
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HTYPE_GROUP = "GROUP"
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HTYPE_INSTANCE = "INSTANCE"
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HKR_SKIP = 0
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HKR_FAIL = 1
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HKR_SUCCESS = 2
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# Storage types
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ST_FILE = "file"
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ST_LVM_PV = "lvm-pv"
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ST_LVM_VG = "lvm-vg"
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# Storage fields
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# first two are valid in LU context only, not passed to backend
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SF_NODE = "node"
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SF_TYPE = "type"
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# and the rest are valid in backend
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SF_NAME = "name"
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SF_SIZE = "size"
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SF_FREE = "free"
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SF_USED = "used"
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SF_ALLOCATABLE = "allocatable"
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# Storage operations
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SO_FIX_CONSISTENCY = "fix-consistency"
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# Available fields per storage type
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VALID_STORAGE_FIELDS = frozenset([
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  SF_NAME,
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  SF_TYPE,
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  SF_SIZE,
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  SF_USED,
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  SF_FREE,
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  SF_ALLOCATABLE
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  ])
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VALID_STORAGE_TYPES = frozenset([ST_FILE, ST_LVM_PV, ST_LVM_VG])
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MODIFIABLE_STORAGE_FIELDS = {
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  ST_LVM_PV: frozenset([SF_ALLOCATABLE]),
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  }
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VALID_STORAGE_OPERATIONS = {
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  ST_LVM_VG: frozenset([SO_FIX_CONSISTENCY]),
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  }
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# Local disk status
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# Note: Code depends on LDS_OKAY < LDS_UNKNOWN < LDS_FAULTY
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(LDS_OKAY,
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 LDS_UNKNOWN,
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 LDS_FAULTY) = range(1, 4)
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# disk template types
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DT_DISKLESS = "diskless"
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DT_PLAIN = "plain"
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DT_DRBD8 = "drbd"
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DT_FILE = "file"
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DT_SHARED_FILE = "sharedfile"
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DT_BLOCK = "blockdev"
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# the set of network-mirrored disk templates
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DTS_INT_MIRROR = frozenset([DT_DRBD8])
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# the set of externally-mirrored disk templates (e.g. SAN, NAS)
409
DTS_EXT_MIRROR = frozenset([DT_SHARED_FILE, DT_BLOCK])
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# the set of non-lvm-based disk templates
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DTS_NOT_LVM = frozenset([DT_DISKLESS, DT_FILE, DT_SHARED_FILE, DT_BLOCK])
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# the set of disk templates which can be grown
415
DTS_GROWABLE = frozenset([DT_PLAIN, DT_DRBD8, DT_FILE, DT_SHARED_FILE])
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# the set of disk templates that allow adoption
418
DTS_MAY_ADOPT = frozenset([DT_PLAIN, DT_BLOCK])
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# the set of disk templates that *must* use adoption
421
DTS_MUST_ADOPT = frozenset([DT_BLOCK])
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# the set of disk templates that allow migrations
424
DTS_MIRRORED = frozenset.union(DTS_INT_MIRROR, DTS_EXT_MIRROR)
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# the set of file based disk templates
427
DTS_FILEBASED = frozenset([DT_FILE, DT_SHARED_FILE])
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# logical disk types
430
LD_LV = "lvm"
431
LD_DRBD8 = "drbd8"
432
LD_FILE = "file"
433
LD_BLOCKDEV = "blockdev"
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LDS_BLOCK = frozenset([LD_LV, LD_DRBD8, LD_BLOCKDEV])
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# drbd constants
437
DRBD_HMAC_ALG = "md5"
438
DRBD_NET_PROTOCOL = "C"
439
DRBD_BARRIERS = _autoconf.DRBD_BARRIERS
440

    
441
# file backend driver
442
FD_LOOP = "loop"
443
FD_BLKTAP = "blktap"
444

    
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# the set of drbd-like disk types
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LDS_DRBD = frozenset([LD_DRBD8])
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# disk access mode
449
DISK_RDONLY = "ro"
450
DISK_RDWR = "rw"
451
DISK_ACCESS_SET = frozenset([DISK_RDONLY, DISK_RDWR])
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# disk replacement mode
454
REPLACE_DISK_PRI = "replace_on_primary"    # replace disks on primary
455
REPLACE_DISK_SEC = "replace_on_secondary"  # replace disks on secondary
456
REPLACE_DISK_CHG = "replace_new_secondary" # change secondary node
457
REPLACE_DISK_AUTO = "replace_auto"
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REPLACE_MODES = frozenset([
459
  REPLACE_DISK_PRI,
460
  REPLACE_DISK_SEC,
461
  REPLACE_DISK_CHG,
462
  REPLACE_DISK_AUTO,
463
  ])
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465
# Instance export mode
466
EXPORT_MODE_LOCAL = "local"
467
EXPORT_MODE_REMOTE = "remote"
468
EXPORT_MODES = frozenset([
469
  EXPORT_MODE_LOCAL,
470
  EXPORT_MODE_REMOTE,
471
  ])
472

    
473
# Lock recalculate mode
474
LOCKS_REPLACE = "replace"
475
LOCKS_APPEND = "append"
476

    
477
# Lock timeout (sum) before we should go into blocking acquire (still
478
# can be reset by priority change); computed as max time (10 hours)
479
# before we should actually go into blocking acquire given that we
480
# start from default priority level; in seconds
481
LOCK_ATTEMPTS_TIMEOUT = 10 * 3600 / 20.0
482
LOCK_ATTEMPTS_MAXWAIT = 15.0
483
LOCK_ATTEMPTS_MINWAIT = 1.0
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485
# instance creation modes
486
INSTANCE_CREATE = "create"
487
INSTANCE_IMPORT = "import"
488
INSTANCE_REMOTE_IMPORT = "remote-import"
489
INSTANCE_CREATE_MODES = frozenset([
490
  INSTANCE_CREATE,
491
  INSTANCE_IMPORT,
492
  INSTANCE_REMOTE_IMPORT,
493
  ])
494

    
495
# Remote import/export handshake message and version
496
RIE_VERSION = 0
497
RIE_HANDSHAKE = "Hi, I'm Ganeti"
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499
# Remote import/export certificate validity in seconds
500
RIE_CERT_VALIDITY = 24 * 60 * 60
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502
# Overall timeout for establishing connection
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RIE_CONNECT_TIMEOUT = 180
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505
# Export only: how long to wait per connection attempt (seconds)
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RIE_CONNECT_ATTEMPT_TIMEOUT = 20
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508
# Export only: number of attempts to connect
509
RIE_CONNECT_RETRIES = 10
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511
#: Give child process up to 5 seconds to exit after sending a signal
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CHILD_LINGER_TIMEOUT = 5.0
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514
DISK_TEMPLATES = frozenset([
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  DT_DISKLESS,
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  DT_PLAIN,
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  DT_DRBD8,
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  DT_FILE,
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  DT_SHARED_FILE,
520
  DT_BLOCK
521
  ])
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523
FILE_DRIVER = frozenset([FD_LOOP, FD_BLKTAP])
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525
# import/export config options
526
INISECT_EXP = "export"
527
INISECT_INS = "instance"
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INISECT_HYP = "hypervisor"
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INISECT_BEP = "backend"
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INISECT_OSP = "os"
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# dynamic device modification
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DDM_ADD = "add"
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DDM_REMOVE = "remove"
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DDMS_VALUES = frozenset([DDM_ADD, DDM_REMOVE])
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# common exit codes
538
EXIT_SUCCESS = 0
539
EXIT_FAILURE = 1
540
EXIT_NOTCLUSTER = 5
541
EXIT_NOTMASTER = 11
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EXIT_NODESETUP_ERROR = 12
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EXIT_CONFIRMATION = 13 # need user confirmation
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545
#: Exit code for query operations with unknown fields
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EXIT_UNKNOWN_FIELD = 14
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# tags
549
TAG_CLUSTER = "cluster"
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TAG_NODEGROUP = "nodegroup"
551
TAG_NODE = "node"
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TAG_INSTANCE = "instance"
553
VALID_TAG_TYPES = frozenset([
554
  TAG_CLUSTER,
555
  TAG_NODEGROUP,
556
  TAG_NODE,
557
  TAG_INSTANCE,
558
  ])
559
MAX_TAG_LEN = 128
560
MAX_TAGS_PER_OBJ = 4096
561

    
562
# others
563
DEFAULT_BRIDGE = "xen-br0"
564
SYNC_SPEED = 60 * 1024
565
IP4_ADDRESS_LOCALHOST = "127.0.0.1"
566
IP4_ADDRESS_ANY = "0.0.0.0"
567
IP6_ADDRESS_LOCALHOST = "::1"
568
IP6_ADDRESS_ANY = "::"
569
IP4_VERSION = 4
570
IP6_VERSION = 6
571
VALID_IP_VERSIONS = frozenset([IP4_VERSION, IP6_VERSION])
572
TCP_PING_TIMEOUT = 10
573
GANETI_RUNAS = "root"
574
DEFAULT_VG = "xenvg"
575
DEFAULT_DRBD_HELPER = "/bin/true"
576
MIN_VG_SIZE = 20480
577
DEFAULT_MAC_PREFIX = "aa:00:00"
578
LVM_STRIPECOUNT = _autoconf.LVM_STRIPECOUNT
579
# default maximum instance wait time, in seconds.
580
DEFAULT_SHUTDOWN_TIMEOUT = 120
581
NODE_MAX_CLOCK_SKEW = 150
582
# Time for an intra-cluster disk transfer to wait for a connection
583
DISK_TRANSFER_CONNECT_TIMEOUT = 60
584
# Disk index separator
585
DISK_SEPARATOR = _autoconf.DISK_SEPARATOR
586
IP_COMMAND_PATH = _autoconf.IP_PATH
587

    
588
#: Key for job IDs in opcode result
589
JOB_IDS_KEY = "jobs"
590

    
591
# runparts results
592
(RUNPARTS_SKIP,
593
 RUNPARTS_RUN,
594
 RUNPARTS_ERR) = range(3)
595

    
596
RUNPARTS_STATUS = frozenset([RUNPARTS_SKIP, RUNPARTS_RUN, RUNPARTS_ERR])
597

    
598
# RPC constants
599
(RPC_ENCODING_NONE,
600
 RPC_ENCODING_ZLIB_BASE64) = range(2)
601

    
602
# os related constants
603
OS_SCRIPT_CREATE = "create"
604
OS_SCRIPT_IMPORT = "import"
605
OS_SCRIPT_EXPORT = "export"
606
OS_SCRIPT_RENAME = "rename"
607
OS_SCRIPT_VERIFY = "verify"
608
OS_SCRIPTS = frozenset([
609
  OS_SCRIPT_CREATE,
610
  OS_SCRIPT_IMPORT,
611
  OS_SCRIPT_EXPORT,
612
  OS_SCRIPT_RENAME,
613
  OS_SCRIPT_VERIFY
614
  ])
615

    
616
OS_API_FILE = "ganeti_api_version"
617
OS_VARIANTS_FILE = "variants.list"
618
OS_PARAMETERS_FILE = "parameters.list"
619

    
620
OS_VALIDATE_PARAMETERS = "parameters"
621
OS_VALIDATE_CALLS = frozenset([OS_VALIDATE_PARAMETERS])
622

    
623
# ssh constants
624
SSH_CONFIG_DIR = _autoconf.SSH_CONFIG_DIR
625
SSH_HOST_DSA_PRIV = SSH_CONFIG_DIR + "/ssh_host_dsa_key"
626
SSH_HOST_DSA_PUB = SSH_HOST_DSA_PRIV + ".pub"
627
SSH_HOST_RSA_PRIV = SSH_CONFIG_DIR + "/ssh_host_rsa_key"
628
SSH_HOST_RSA_PUB = SSH_HOST_RSA_PRIV + ".pub"
629
SSH = "ssh"
630
SCP = "scp"
631

    
632
# reboot types
633
INSTANCE_REBOOT_SOFT = "soft"
634
INSTANCE_REBOOT_HARD = "hard"
635
INSTANCE_REBOOT_FULL = "full"
636

    
637
REBOOT_TYPES = frozenset([
638
  INSTANCE_REBOOT_SOFT,
639
  INSTANCE_REBOOT_HARD,
640
  INSTANCE_REBOOT_FULL
641
  ])
642

    
643
# instance reboot behaviors
644
INSTANCE_REBOOT_ALLOWED = "reboot"
645
INSTANCE_REBOOT_EXIT = "exit"
646

    
647
REBOOT_BEHAVIORS = frozenset([
648
  INSTANCE_REBOOT_ALLOWED,
649
  INSTANCE_REBOOT_EXIT
650
  ])
651

    
652
VTYPE_STRING = "string"
653
VTYPE_MAYBE_STRING = "maybe-string"
654
VTYPE_BOOL = "bool"
655
VTYPE_SIZE = "size" # size, in MiBs
656
VTYPE_INT = "int"
657
ENFORCEABLE_TYPES = frozenset([
658
  VTYPE_STRING,
659
  VTYPE_MAYBE_STRING,
660
  VTYPE_BOOL,
661
  VTYPE_SIZE,
662
  VTYPE_INT,
663
  ])
664

    
665
# Constant representing that the user does not specify any IP version
666
IFACE_NO_IP_VERSION_SPECIFIED = 0
667

    
668
# HV parameter names (global namespace)
669
HV_BOOT_ORDER = "boot_order"
670
HV_CDROM_IMAGE_PATH = "cdrom_image_path"
671
HV_KVM_CDROM2_IMAGE_PATH = "cdrom2_image_path"
672
HV_KVM_FLOPPY_IMAGE_PATH = "floppy_image_path"
673
HV_NIC_TYPE = "nic_type"
674
HV_DISK_TYPE = "disk_type"
675
HV_KVM_CDROM_DISK_TYPE = "cdrom_disk_type"
676
HV_VNC_BIND_ADDRESS = "vnc_bind_address"
677
HV_VNC_PASSWORD_FILE = "vnc_password_file"
678
HV_VNC_TLS = "vnc_tls"
679
HV_VNC_X509 = "vnc_x509_path"
680
HV_VNC_X509_VERIFY = "vnc_x509_verify"
681
HV_KVM_SPICE_BIND = "spice_bind"
682
HV_KVM_SPICE_IP_VERSION = "spice_ip_version"
683
HV_KVM_SPICE_PASSWORD_FILE = "spice_password_file"
684
HV_KVM_SPICE_LOSSLESS_IMG_COMPR = "spice_image_compression"
685
HV_KVM_SPICE_JPEG_IMG_COMPR = "spice_jpeg_wan_compression"
686
HV_KVM_SPICE_ZLIB_GLZ_IMG_COMPR = "spice_zlib_glz_wan_compression"
687
HV_KVM_SPICE_STREAMING_VIDEO_DETECTION = "spice_streaming_video"
688
HV_KVM_SPICE_AUDIO_COMPR = "spice_playback_compression"
689
HV_KVM_SPICE_USE_TLS = "spice_use_tls"
690
HV_KVM_SPICE_TLS_CIPHERS = "spice_tls_ciphers"
691
HV_KVM_SPICE_USE_VDAGENT = "spice_use_vdagent"
692
HV_ACPI = "acpi"
693
HV_PAE = "pae"
694
HV_USE_BOOTLOADER = "use_bootloader"
695
HV_BOOTLOADER_ARGS = "bootloader_args"
696
HV_BOOTLOADER_PATH = "bootloader_path"
697
HV_KERNEL_ARGS = "kernel_args"
698
HV_KERNEL_PATH = "kernel_path"
699
HV_INITRD_PATH = "initrd_path"
700
HV_ROOT_PATH = "root_path"
701
HV_SERIAL_CONSOLE = "serial_console"
702
HV_USB_MOUSE = "usb_mouse"
703
HV_KEYMAP = "keymap"
704
HV_DEVICE_MODEL = "device_model"
705
HV_INIT_SCRIPT = "init_script"
706
HV_MIGRATION_PORT = "migration_port"
707
HV_MIGRATION_BANDWIDTH = "migration_bandwidth"
708
HV_MIGRATION_DOWNTIME = "migration_downtime"
709
HV_MIGRATION_MODE = "migration_mode"
710
HV_USE_LOCALTIME = "use_localtime"
711
HV_DISK_CACHE = "disk_cache"
712
HV_SECURITY_MODEL = "security_model"
713
HV_SECURITY_DOMAIN = "security_domain"
714
HV_KVM_FLAG = "kvm_flag"
715
HV_VHOST_NET = "vhost_net"
716
HV_KVM_USE_CHROOT = "use_chroot"
717
HV_CPU_MASK = "cpu_mask"
718
HV_MEM_PATH = "mem_path"
719
HV_BLOCKDEV_PREFIX = "blockdev_prefix"
720
HV_REBOOT_BEHAVIOR = "reboot_behavior"
721

    
722
HVS_PARAMETER_TYPES = {
723
  HV_BOOT_ORDER: VTYPE_STRING,
724
  HV_KVM_FLOPPY_IMAGE_PATH: VTYPE_STRING,
725
  HV_CDROM_IMAGE_PATH: VTYPE_STRING,
726
  HV_KVM_CDROM2_IMAGE_PATH: VTYPE_STRING,
727
  HV_NIC_TYPE: VTYPE_STRING,
728
  HV_DISK_TYPE: VTYPE_STRING,
729
  HV_KVM_CDROM_DISK_TYPE: VTYPE_STRING,
730
  HV_VNC_PASSWORD_FILE: VTYPE_STRING,
731
  HV_VNC_BIND_ADDRESS: VTYPE_STRING,
732
  HV_VNC_TLS: VTYPE_BOOL,
733
  HV_VNC_X509: VTYPE_STRING,
734
  HV_VNC_X509_VERIFY: VTYPE_BOOL,
735
  HV_KVM_SPICE_BIND: VTYPE_STRING,
736
  HV_KVM_SPICE_IP_VERSION: VTYPE_INT,
737
  HV_KVM_SPICE_PASSWORD_FILE: VTYPE_STRING,
738
  HV_KVM_SPICE_LOSSLESS_IMG_COMPR: VTYPE_STRING,
739
  HV_KVM_SPICE_JPEG_IMG_COMPR: VTYPE_STRING,
740
  HV_KVM_SPICE_ZLIB_GLZ_IMG_COMPR: VTYPE_STRING,
741
  HV_KVM_SPICE_STREAMING_VIDEO_DETECTION: VTYPE_STRING,
742
  HV_KVM_SPICE_AUDIO_COMPR: VTYPE_BOOL,
743
  HV_KVM_SPICE_USE_TLS: VTYPE_BOOL,
744
  HV_KVM_SPICE_TLS_CIPHERS: VTYPE_STRING,
745
  HV_KVM_SPICE_USE_VDAGENT: VTYPE_BOOL,
746
  HV_ACPI: VTYPE_BOOL,
747
  HV_PAE: VTYPE_BOOL,
748
  HV_USE_BOOTLOADER: VTYPE_BOOL,
749
  HV_BOOTLOADER_PATH: VTYPE_STRING,
750
  HV_BOOTLOADER_ARGS: VTYPE_STRING,
751
  HV_KERNEL_PATH: VTYPE_STRING,
752
  HV_KERNEL_ARGS: VTYPE_STRING,
753
  HV_INITRD_PATH: VTYPE_STRING,
754
  HV_ROOT_PATH: VTYPE_MAYBE_STRING,
755
  HV_SERIAL_CONSOLE: VTYPE_BOOL,
756
  HV_USB_MOUSE: VTYPE_STRING,
757
  HV_KEYMAP: VTYPE_STRING,
758
  HV_DEVICE_MODEL: VTYPE_STRING,
759
  HV_INIT_SCRIPT: VTYPE_STRING,
760
  HV_MIGRATION_PORT: VTYPE_INT,
761
  HV_MIGRATION_BANDWIDTH: VTYPE_INT,
762
  HV_MIGRATION_DOWNTIME: VTYPE_INT,
763
  HV_MIGRATION_MODE: VTYPE_STRING,
764
  HV_USE_LOCALTIME: VTYPE_BOOL,
765
  HV_DISK_CACHE: VTYPE_STRING,
766
  HV_SECURITY_MODEL: VTYPE_STRING,
767
  HV_SECURITY_DOMAIN: VTYPE_STRING,
768
  HV_KVM_FLAG: VTYPE_STRING,
769
  HV_VHOST_NET: VTYPE_BOOL,
770
  HV_KVM_USE_CHROOT: VTYPE_BOOL,
771
  HV_CPU_MASK: VTYPE_STRING,
772
  HV_MEM_PATH: VTYPE_STRING,
773
  HV_BLOCKDEV_PREFIX: VTYPE_STRING,
774
  HV_REBOOT_BEHAVIOR: VTYPE_STRING,
775
  }
776

    
777
HVS_PARAMETERS = frozenset(HVS_PARAMETER_TYPES.keys())
778

    
779
# Backend parameter names
780
BE_MEMORY = "memory"
781
BE_VCPUS = "vcpus"
782
BE_AUTO_BALANCE = "auto_balance"
783

    
784
BES_PARAMETER_TYPES = {
785
    BE_MEMORY: VTYPE_SIZE,
786
    BE_VCPUS: VTYPE_INT,
787
    BE_AUTO_BALANCE: VTYPE_BOOL,
788
    }
789

    
790
BES_PARAMETERS = frozenset(BES_PARAMETER_TYPES.keys())
791

    
792
# Node parameter names
793
ND_OOB_PROGRAM = "oob_program"
794

    
795
NDS_PARAMETER_TYPES = {
796
    ND_OOB_PROGRAM: VTYPE_MAYBE_STRING,
797
    }
798

    
799
NDS_PARAMETERS = frozenset(NDS_PARAMETER_TYPES.keys())
800

    
801
# OOB supported commands
802
OOB_POWER_ON = "power-on"
803
OOB_POWER_OFF = "power-off"
804
OOB_POWER_CYCLE = "power-cycle"
805
OOB_POWER_STATUS = "power-status"
806
OOB_HEALTH = "health"
807

    
808
OOB_COMMANDS = frozenset([
809
  OOB_POWER_ON,
810
  OOB_POWER_OFF,
811
  OOB_POWER_CYCLE,
812
  OOB_POWER_STATUS,
813
  OOB_HEALTH
814
  ])
815

    
816
OOB_POWER_STATUS_POWERED = "powered"
817

    
818
OOB_TIMEOUT = 60 # 60 seconds
819
OOB_POWER_DELAY = 2.0 # 2 seconds
820

    
821
OOB_STATUS_OK = "OK"
822
OOB_STATUS_WARNING = "WARNING"
823
OOB_STATUS_CRITICAL = "CRITICAL"
824
OOB_STATUS_UNKNOWN = "UNKNOWN"
825

    
826
OOB_STATUSES = frozenset([
827
  OOB_STATUS_OK,
828
  OOB_STATUS_WARNING,
829
  OOB_STATUS_CRITICAL,
830
  OOB_STATUS_UNKNOWN,
831
  ])
832

    
833
# Instance Parameters Profile
834
PP_DEFAULT = "default"
835

    
836
# NIC_* constants are used inside the ganeti config
837
NIC_MODE = "mode"
838
NIC_LINK = "link"
839

    
840
NIC_MODE_BRIDGED = "bridged"
841
NIC_MODE_ROUTED = "routed"
842

    
843
NIC_VALID_MODES = frozenset([NIC_MODE_BRIDGED, NIC_MODE_ROUTED])
844

    
845
NICS_PARAMETER_TYPES = {
846
    NIC_MODE: VTYPE_STRING,
847
    NIC_LINK: VTYPE_STRING,
848
    }
849

    
850
NICS_PARAMETERS = frozenset(NICS_PARAMETER_TYPES.keys())
851

    
852
# IDISK_* constants are used in opcodes, to create/change disks
853
IDISK_SIZE = "size"
854
IDISK_MODE = "mode"
855
IDISK_ADOPT = "adopt"
856
IDISK_VG = "vg"
857
IDISK_METAVG = "metavg"
858
IDISK_PARAMS_TYPES = {
859
  IDISK_SIZE: VTYPE_SIZE,
860
  IDISK_MODE: VTYPE_STRING,
861
  IDISK_ADOPT: VTYPE_STRING,
862
  IDISK_VG: VTYPE_STRING,
863
  IDISK_METAVG: VTYPE_STRING,
864
  }
865
IDISK_PARAMS = frozenset(IDISK_PARAMS_TYPES.keys())
866

    
867
# INIC_* constants are used in opcodes, to create/change nics
868
INIC_MAC = "mac"
869
INIC_IP = "ip"
870
INIC_MODE = "mode"
871
INIC_LINK = "link"
872
INIC_PARAMS_TYPES = {
873
  INIC_IP: VTYPE_MAYBE_STRING,
874
  INIC_LINK: VTYPE_STRING,
875
  INIC_MAC: VTYPE_STRING,
876
  INIC_MODE: VTYPE_STRING,
877
  }
878
INIC_PARAMS = frozenset(INIC_PARAMS_TYPES.keys())
879

    
880
# Hypervisor constants
881
HT_XEN_PVM = "xen-pvm"
882
HT_FAKE = "fake"
883
HT_XEN_HVM = "xen-hvm"
884
HT_KVM = "kvm"
885
HT_CHROOT = "chroot"
886
HT_LXC = "lxc"
887
HYPER_TYPES = frozenset([
888
  HT_XEN_PVM,
889
  HT_FAKE,
890
  HT_XEN_HVM,
891
  HT_KVM,
892
  HT_CHROOT,
893
  HT_LXC,
894
  ])
895
HTS_REQ_PORT = frozenset([HT_XEN_HVM, HT_KVM])
896

    
897
VNC_BASE_PORT = 5900
898
VNC_PASSWORD_FILE = CONF_DIR + "/vnc-cluster-password"
899
VNC_DEFAULT_BIND_ADDRESS = IP4_ADDRESS_ANY
900

    
901
# NIC types
902
HT_NIC_RTL8139 = "rtl8139"
903
HT_NIC_NE2K_PCI = "ne2k_pci"
904
HT_NIC_NE2K_ISA = "ne2k_isa"
905
HT_NIC_I82551 = "i82551"
906
HT_NIC_I85557B = "i82557b"
907
HT_NIC_I8259ER = "i82559er"
908
HT_NIC_PCNET = "pcnet"
909
HT_NIC_E1000 = "e1000"
910
HT_NIC_PARAVIRTUAL = HT_DISK_PARAVIRTUAL = "paravirtual"
911

    
912
HT_HVM_VALID_NIC_TYPES = frozenset([
913
  HT_NIC_RTL8139,
914
  HT_NIC_NE2K_PCI,
915
  HT_NIC_E1000,
916
  HT_NIC_NE2K_ISA,
917
  HT_NIC_PARAVIRTUAL
918
  ])
919
HT_KVM_VALID_NIC_TYPES = frozenset([
920
  HT_NIC_RTL8139,
921
  HT_NIC_NE2K_PCI,
922
  HT_NIC_NE2K_ISA,
923
  HT_NIC_I82551,
924
  HT_NIC_I85557B,
925
  HT_NIC_I8259ER,
926
  HT_NIC_PCNET,
927
  HT_NIC_E1000,
928
  HT_NIC_PARAVIRTUAL
929
  ])
930

    
931
# Disk types
932
HT_DISK_IOEMU = "ioemu"
933
HT_DISK_IDE = "ide"
934
HT_DISK_SCSI = "scsi"
935
HT_DISK_SD = "sd"
936
HT_DISK_MTD = "mtd"
937
HT_DISK_PFLASH = "pflash"
938

    
939
HT_CACHE_DEFAULT = "default"
940
HT_CACHE_NONE = "none"
941
HT_CACHE_WTHROUGH = "writethrough"
942
HT_CACHE_WBACK = "writeback"
943
HT_VALID_CACHE_TYPES = frozenset([
944
  HT_CACHE_DEFAULT,
945
  HT_CACHE_NONE,
946
  HT_CACHE_WTHROUGH,
947
  HT_CACHE_WBACK
948
  ])
949

    
950
HT_HVM_VALID_DISK_TYPES = frozenset([HT_DISK_PARAVIRTUAL, HT_DISK_IOEMU])
951
HT_KVM_VALID_DISK_TYPES = frozenset([
952
  HT_DISK_PARAVIRTUAL,
953
  HT_DISK_IDE,
954
  HT_DISK_SCSI,
955
  HT_DISK_SD,
956
  HT_DISK_MTD,
957
  HT_DISK_PFLASH
958
  ])
959

    
960
# Mouse types:
961
HT_MOUSE_MOUSE = "mouse"
962
HT_MOUSE_TABLET = "tablet"
963

    
964
HT_KVM_VALID_MOUSE_TYPES = frozenset([HT_MOUSE_MOUSE, HT_MOUSE_TABLET])
965

    
966
# Boot order
967
HT_BO_FLOPPY = "floppy"
968
HT_BO_CDROM = "cdrom"
969
HT_BO_DISK = "disk"
970
HT_BO_NETWORK = "network"
971

    
972
HT_KVM_VALID_BO_TYPES = frozenset([
973
  HT_BO_FLOPPY,
974
  HT_BO_CDROM,
975
  HT_BO_DISK,
976
  HT_BO_NETWORK
977
  ])
978

    
979
# SPICE lossless image compression options
980
HT_KVM_SPICE_LOSSLESS_IMG_COMPR_AUTO_GLZ = "auto_glz"
981
HT_KVM_SPICE_LOSSLESS_IMG_COMPR_AUTO_LZ = "auto_lz"
982
HT_KVM_SPICE_LOSSLESS_IMG_COMPR_QUIC = "quic"
983
HT_KVM_SPICE_LOSSLESS_IMG_COMPR_GLZ = "glz"
984
HT_KVM_SPICE_LOSSLESS_IMG_COMPR_LZ = "lz"
985
HT_KVM_SPICE_LOSSLESS_IMG_COMPR_OFF = "off"
986

    
987
HT_KVM_SPICE_VALID_LOSSLESS_IMG_COMPR_OPTIONS = frozenset([
988
  HT_KVM_SPICE_LOSSLESS_IMG_COMPR_AUTO_GLZ,
989
  HT_KVM_SPICE_LOSSLESS_IMG_COMPR_AUTO_LZ,
990
  HT_KVM_SPICE_LOSSLESS_IMG_COMPR_QUIC,
991
  HT_KVM_SPICE_LOSSLESS_IMG_COMPR_GLZ,
992
  HT_KVM_SPICE_LOSSLESS_IMG_COMPR_LZ,
993
  HT_KVM_SPICE_LOSSLESS_IMG_COMPR_OFF,
994
  ])
995

    
996
# SPICE lossy image compression options (valid for both jpeg and zlib-glz)
997
HT_KVM_SPICE_LOSSY_IMG_COMPR_AUTO = "auto"
998
HT_KVM_SPICE_LOSSY_IMG_COMPR_NEVER = "never"
999
HT_KVM_SPICE_LOSSY_IMG_COMPR_ALWAYS = "always"
1000

    
1001
HT_KVM_SPICE_VALID_LOSSY_IMG_COMPR_OPTIONS = frozenset([
1002
  HT_KVM_SPICE_LOSSY_IMG_COMPR_AUTO,
1003
  HT_KVM_SPICE_LOSSY_IMG_COMPR_NEVER,
1004
  HT_KVM_SPICE_LOSSY_IMG_COMPR_ALWAYS,
1005
  ])
1006

    
1007
# SPICE video stream detection
1008
HT_KVM_SPICE_VIDEO_STREAM_DETECTION_OFF = "off"
1009
HT_KVM_SPICE_VIDEO_STREAM_DETECTION_ALL = "all"
1010
HT_KVM_SPICE_VIDEO_STREAM_DETECTION_FILTER = "filter"
1011

    
1012
HT_KVM_SPICE_VALID_VIDEO_STREAM_DETECTION_OPTIONS = frozenset([
1013
  HT_KVM_SPICE_VIDEO_STREAM_DETECTION_OFF,
1014
  HT_KVM_SPICE_VIDEO_STREAM_DETECTION_ALL,
1015
  HT_KVM_SPICE_VIDEO_STREAM_DETECTION_FILTER,
1016
  ])
1017

    
1018
# Security models
1019
HT_SM_NONE = "none"
1020
HT_SM_USER = "user"
1021
HT_SM_POOL = "pool"
1022

    
1023
HT_KVM_VALID_SM_TYPES = frozenset([HT_SM_NONE, HT_SM_USER, HT_SM_POOL])
1024

    
1025
# Kvm flag values
1026
HT_KVM_ENABLED = "enabled"
1027
HT_KVM_DISABLED = "disabled"
1028

    
1029
HT_KVM_FLAG_VALUES = frozenset([HT_KVM_ENABLED, HT_KVM_DISABLED])
1030

    
1031
# Migration type
1032
HT_MIGRATION_LIVE = "live"
1033
HT_MIGRATION_NONLIVE = "non-live"
1034
HT_MIGRATION_MODES = frozenset([HT_MIGRATION_LIVE, HT_MIGRATION_NONLIVE])
1035

    
1036
# Cluster Verify steps
1037
VERIFY_NPLUSONE_MEM = "nplusone_mem"
1038
VERIFY_OPTIONAL_CHECKS = frozenset([VERIFY_NPLUSONE_MEM])
1039

    
1040
# Node verify constants
1041
NV_DRBDHELPER = "drbd-helper"
1042
NV_DRBDLIST = "drbd-list"
1043
NV_FILELIST = "filelist"
1044
NV_HVINFO = "hvinfo"
1045
NV_HYPERVISOR = "hypervisor"
1046
NV_HVPARAMS = "hvparms"
1047
NV_INSTANCELIST = "instancelist"
1048
NV_LVLIST = "lvlist"
1049
NV_MASTERIP = "master-ip"
1050
NV_NODELIST = "nodelist"
1051
NV_NODENETTEST = "node-net-test"
1052
NV_NODESETUP = "nodesetup"
1053
NV_OSLIST = "oslist"
1054
NV_PVLIST = "pvlist"
1055
NV_TIME = "time"
1056
NV_VERSION = "version"
1057
NV_VGLIST = "vglist"
1058
NV_VMNODES = "vmnodes"
1059
NV_OOB_PATHS = "oob-paths"
1060
NV_BRIDGES = "bridges"
1061

    
1062
# Instance status
1063
INSTST_RUNNING = "running"
1064
INSTST_ADMINDOWN = "ADMIN_down"
1065
INSTST_NODEOFFLINE = "ERROR_nodeoffline"
1066
INSTST_NODEDOWN = "ERROR_nodedown"
1067
INSTST_WRONGNODE = "ERROR_wrongnode"
1068
INSTST_ERRORUP = "ERROR_up"
1069
INSTST_ERRORDOWN = "ERROR_down"
1070
INSTST_ALL = frozenset([
1071
  INSTST_RUNNING,
1072
  INSTST_ADMINDOWN,
1073
  INSTST_NODEOFFLINE,
1074
  INSTST_NODEDOWN,
1075
  INSTST_WRONGNODE,
1076
  INSTST_ERRORUP,
1077
  INSTST_ERRORDOWN,
1078
  ])
1079

    
1080
# Node roles
1081
NR_REGULAR = "R"
1082
NR_MASTER = "M"
1083
NR_MCANDIDATE = "C"
1084
NR_DRAINED = "D"
1085
NR_OFFLINE = "O"
1086
NR_ALL = frozenset([
1087
  NR_REGULAR,
1088
  NR_MASTER,
1089
  NR_MCANDIDATE,
1090
  NR_DRAINED,
1091
  NR_OFFLINE,
1092
  ])
1093

    
1094
# SSL certificate check constants (in days)
1095
SSL_CERT_EXPIRATION_WARN = 30
1096
SSL_CERT_EXPIRATION_ERROR = 7
1097

    
1098
# Allocator framework constants
1099
IALLOCATOR_VERSION = 2
1100
IALLOCATOR_DIR_IN = "in"
1101
IALLOCATOR_DIR_OUT = "out"
1102
VALID_IALLOCATOR_DIRECTIONS = frozenset([
1103
  IALLOCATOR_DIR_IN,
1104
  IALLOCATOR_DIR_OUT,
1105
  ])
1106
IALLOCATOR_MODE_ALLOC = "allocate"
1107
IALLOCATOR_MODE_RELOC = "relocate"
1108
IALLOCATOR_MODE_CHG_GROUP = "change-group"
1109
IALLOCATOR_MODE_NODE_EVAC = "node-evacuate"
1110
VALID_IALLOCATOR_MODES = frozenset([
1111
  IALLOCATOR_MODE_ALLOC,
1112
  IALLOCATOR_MODE_RELOC,
1113
  IALLOCATOR_MODE_CHG_GROUP,
1114
  IALLOCATOR_MODE_NODE_EVAC,
1115
  ])
1116
IALLOCATOR_SEARCH_PATH = _autoconf.IALLOCATOR_SEARCH_PATH
1117

    
1118
IALLOCATOR_NEVAC_PRI = "primary-only"
1119
IALLOCATOR_NEVAC_SEC = "secondary-only"
1120
IALLOCATOR_NEVAC_ALL = "all"
1121
IALLOCATOR_NEVAC_MODES = frozenset([
1122
  IALLOCATOR_NEVAC_PRI,
1123
  IALLOCATOR_NEVAC_SEC,
1124
  IALLOCATOR_NEVAC_ALL,
1125
  ])
1126

    
1127
# Job queue
1128
JOB_QUEUE_VERSION = 1
1129
JOB_QUEUE_LOCK_FILE = QUEUE_DIR + "/lock"
1130
JOB_QUEUE_VERSION_FILE = QUEUE_DIR + "/version"
1131
JOB_QUEUE_SERIAL_FILE = QUEUE_DIR + "/serial"
1132
JOB_QUEUE_ARCHIVE_DIR = QUEUE_DIR + "/archive"
1133
JOB_QUEUE_DRAIN_FILE = QUEUE_DIR + "/drain"
1134
JOB_QUEUE_SIZE_HARD_LIMIT = 5000
1135
JOB_QUEUE_DIRS = [QUEUE_DIR, JOB_QUEUE_ARCHIVE_DIR]
1136
JOB_QUEUE_DIRS_MODE = SECURE_DIR_MODE
1137

    
1138
JOB_ID_TEMPLATE = r"\d+"
1139
JOB_FILE_RE = re.compile(r"^job-(%s)$" % JOB_ID_TEMPLATE)
1140

    
1141
# unchanged job return
1142
JOB_NOTCHANGED = "nochange"
1143

    
1144
# Job status
1145
JOB_STATUS_QUEUED = "queued"
1146
JOB_STATUS_WAITING = "waiting"
1147
JOB_STATUS_CANCELING = "canceling"
1148
JOB_STATUS_RUNNING = "running"
1149
JOB_STATUS_CANCELED = "canceled"
1150
JOB_STATUS_SUCCESS = "success"
1151
JOB_STATUS_ERROR = "error"
1152
JOBS_FINALIZED = frozenset([
1153
  JOB_STATUS_CANCELED,
1154
  JOB_STATUS_SUCCESS,
1155
  JOB_STATUS_ERROR,
1156
  ])
1157
JOB_STATUS_ALL = frozenset([
1158
  JOB_STATUS_QUEUED,
1159
  JOB_STATUS_WAITING,
1160
  JOB_STATUS_CANCELING,
1161
  JOB_STATUS_RUNNING,
1162
  ]) | JOBS_FINALIZED
1163

    
1164
# OpCode status
1165
# not yet finalized
1166
OP_STATUS_QUEUED = "queued"
1167
OP_STATUS_WAITING = "waiting"
1168
OP_STATUS_CANCELING = "canceling"
1169
OP_STATUS_RUNNING = "running"
1170
# finalized
1171
OP_STATUS_CANCELED = "canceled"
1172
OP_STATUS_SUCCESS = "success"
1173
OP_STATUS_ERROR = "error"
1174
OPS_FINALIZED = frozenset([
1175
  OP_STATUS_CANCELED,
1176
  OP_STATUS_SUCCESS,
1177
  OP_STATUS_ERROR
1178
  ])
1179

    
1180
# OpCode priority
1181
OP_PRIO_LOWEST = +19
1182
OP_PRIO_HIGHEST = -20
1183

    
1184
OP_PRIO_LOW = +10
1185
OP_PRIO_NORMAL = 0
1186
OP_PRIO_HIGH = -10
1187

    
1188
OP_PRIO_SUBMIT_VALID = frozenset([
1189
  OP_PRIO_LOW,
1190
  OP_PRIO_NORMAL,
1191
  OP_PRIO_HIGH,
1192
  ])
1193

    
1194
OP_PRIO_DEFAULT = OP_PRIO_NORMAL
1195

    
1196
# Execution log types
1197
ELOG_MESSAGE = "message"
1198
ELOG_PROGRESS = "progress"
1199
ELOG_REMOTE_IMPORT = "remote-import"
1200
ELOG_JQUEUE_TEST = "jqueue-test"
1201

    
1202
# /etc/hosts modification
1203
ETC_HOSTS_ADD = "add"
1204
ETC_HOSTS_REMOVE = "remove"
1205

    
1206
# Job queue test
1207
JQT_MSGPREFIX = "TESTMSG="
1208
JQT_EXPANDNAMES = "expandnames"
1209
JQT_EXEC = "exec"
1210
JQT_LOGMSG = "logmsg"
1211
JQT_STARTMSG = "startmsg"
1212
JQT_ALL = frozenset([
1213
  JQT_EXPANDNAMES,
1214
  JQT_EXEC,
1215
  JQT_LOGMSG,
1216
  JQT_STARTMSG,
1217
  ])
1218

    
1219
# Query resources
1220
QR_INSTANCE = "instance"
1221
QR_NODE = "node"
1222
QR_LOCK = "lock"
1223
QR_GROUP = "group"
1224
QR_OS = "os"
1225

    
1226
#: List of resources which can be queried using L{opcodes.OpQuery}
1227
QR_VIA_OP = frozenset([QR_INSTANCE, QR_NODE, QR_GROUP, QR_OS])
1228

    
1229
#: List of resources which can be queried using Local UniX Interface
1230
QR_VIA_LUXI = QR_VIA_OP.union([
1231
  QR_LOCK,
1232
  ])
1233

    
1234
#: List of resources which can be queried using RAPI
1235
QR_VIA_RAPI = QR_VIA_LUXI
1236

    
1237
# Query field types
1238
QFT_UNKNOWN = "unknown"
1239
QFT_TEXT = "text"
1240
QFT_BOOL = "bool"
1241
QFT_NUMBER = "number"
1242
QFT_UNIT = "unit"
1243
QFT_TIMESTAMP = "timestamp"
1244
QFT_OTHER = "other"
1245

    
1246
#: All query field types
1247
QFT_ALL = frozenset([
1248
  QFT_UNKNOWN,
1249
  QFT_TEXT,
1250
  QFT_BOOL,
1251
  QFT_NUMBER,
1252
  QFT_UNIT,
1253
  QFT_TIMESTAMP,
1254
  QFT_OTHER,
1255
  ])
1256

    
1257
# Query result field status (don't change or reuse values as they're used by
1258
# clients)
1259
#: Normal field status
1260
RS_NORMAL = 0
1261
#: Unknown field
1262
RS_UNKNOWN = 1
1263
#: No data (e.g. RPC error), can be used instead of L{RS_OFFLINE}
1264
RS_NODATA = 2
1265
#: Value unavailable/unsupported for item; if this field is supported
1266
#: but we cannot get the data for the moment, RS_NODATA or
1267
#: RS_OFFLINE should be used
1268
RS_UNAVAIL = 3
1269
#: Resource marked offline
1270
RS_OFFLINE = 4
1271

    
1272
RS_ALL = frozenset([
1273
  RS_NORMAL,
1274
  RS_UNKNOWN,
1275
  RS_NODATA,
1276
  RS_UNAVAIL,
1277
  RS_OFFLINE,
1278
  ])
1279

    
1280
#: Dictionary with special field cases and their verbose/terse formatting
1281
RSS_DESCRIPTION = {
1282
  RS_UNKNOWN: ("(unknown)", "??"),
1283
  RS_NODATA: ("(nodata)", "?"),
1284
  RS_OFFLINE: ("(offline)", "*"),
1285
  RS_UNAVAIL: ("(unavail)", "-"),
1286
  }
1287

    
1288
# max dynamic devices
1289
MAX_NICS = 8
1290
MAX_DISKS = 16
1291

    
1292
# SSCONF keys
1293
SS_CLUSTER_NAME = "cluster_name"
1294
SS_CLUSTER_TAGS = "cluster_tags"
1295
SS_FILE_STORAGE_DIR = "file_storage_dir"
1296
SS_SHARED_FILE_STORAGE_DIR = "shared_file_storage_dir"
1297
SS_MASTER_CANDIDATES = "master_candidates"
1298
SS_MASTER_CANDIDATES_IPS = "master_candidates_ips"
1299
SS_MASTER_IP = "master_ip"
1300
SS_MASTER_NETDEV = "master_netdev"
1301
SS_MASTER_NODE = "master_node"
1302
SS_NODE_LIST = "node_list"
1303
SS_NODE_PRIMARY_IPS = "node_primary_ips"
1304
SS_NODE_SECONDARY_IPS = "node_secondary_ips"
1305
SS_OFFLINE_NODES = "offline_nodes"
1306
SS_ONLINE_NODES = "online_nodes"
1307
SS_PRIMARY_IP_FAMILY = "primary_ip_family"
1308
SS_INSTANCE_LIST = "instance_list"
1309
SS_RELEASE_VERSION = "release_version"
1310
SS_HYPERVISOR_LIST = "hypervisor_list"
1311
SS_MAINTAIN_NODE_HEALTH = "maintain_node_health"
1312
SS_UID_POOL = "uid_pool"
1313
SS_NODEGROUPS = "nodegroups"
1314

    
1315
SS_FILE_PERMS = 0444
1316

    
1317
# cluster wide default parameters
1318
DEFAULT_ENABLED_HYPERVISOR = HT_XEN_PVM
1319

    
1320
HVC_DEFAULTS = {
1321
  HT_XEN_PVM: {
1322
    HV_USE_BOOTLOADER: False,
1323
    HV_BOOTLOADER_PATH: XEN_BOOTLOADER,
1324
    HV_BOOTLOADER_ARGS: "",
1325
    HV_KERNEL_PATH: "/boot/vmlinuz-2.6-xenU",
1326
    HV_INITRD_PATH: "",
1327
    HV_ROOT_PATH: "/dev/sda1",
1328
    HV_KERNEL_ARGS: "ro",
1329
    HV_MIGRATION_PORT: 8002,
1330
    HV_MIGRATION_MODE: HT_MIGRATION_LIVE,
1331
    HV_BLOCKDEV_PREFIX: "sd",
1332
    HV_REBOOT_BEHAVIOR: INSTANCE_REBOOT_ALLOWED,
1333
    },
1334
  HT_XEN_HVM: {
1335
    HV_BOOT_ORDER: "cd",
1336
    HV_CDROM_IMAGE_PATH: "",
1337
    HV_NIC_TYPE: HT_NIC_RTL8139,
1338
    HV_DISK_TYPE: HT_DISK_PARAVIRTUAL,
1339
    HV_VNC_BIND_ADDRESS: IP4_ADDRESS_ANY,
1340
    HV_VNC_PASSWORD_FILE: VNC_PASSWORD_FILE,
1341
    HV_ACPI: True,
1342
    HV_PAE: True,
1343
    HV_KERNEL_PATH: "/usr/lib/xen/boot/hvmloader",
1344
    HV_DEVICE_MODEL: "/usr/lib/xen/bin/qemu-dm",
1345
    HV_MIGRATION_PORT: 8002,
1346
    HV_MIGRATION_MODE: HT_MIGRATION_NONLIVE,
1347
    HV_USE_LOCALTIME: False,
1348
    HV_BLOCKDEV_PREFIX: "hd",
1349
    HV_REBOOT_BEHAVIOR: INSTANCE_REBOOT_ALLOWED,
1350
    },
1351
  HT_KVM: {
1352
    HV_KERNEL_PATH: "/boot/vmlinuz-2.6-kvmU",
1353
    HV_INITRD_PATH: "",
1354
    HV_KERNEL_ARGS: "ro",
1355
    HV_ROOT_PATH: "/dev/vda1",
1356
    HV_ACPI: True,
1357
    HV_SERIAL_CONSOLE: True,
1358
    HV_VNC_BIND_ADDRESS: "",
1359
    HV_VNC_TLS: False,
1360
    HV_VNC_X509: "",
1361
    HV_VNC_X509_VERIFY: False,
1362
    HV_VNC_PASSWORD_FILE: "",
1363
    HV_KVM_SPICE_BIND: "",
1364
    HV_KVM_SPICE_IP_VERSION: IFACE_NO_IP_VERSION_SPECIFIED,
1365
    HV_KVM_SPICE_PASSWORD_FILE: "",
1366
    HV_KVM_SPICE_LOSSLESS_IMG_COMPR: "",
1367
    HV_KVM_SPICE_JPEG_IMG_COMPR: "",
1368
    HV_KVM_SPICE_ZLIB_GLZ_IMG_COMPR: "",
1369
    HV_KVM_SPICE_STREAMING_VIDEO_DETECTION: "",
1370
    HV_KVM_SPICE_AUDIO_COMPR: True,
1371
    HV_KVM_SPICE_USE_TLS: False,
1372
    HV_KVM_SPICE_TLS_CIPHERS: OPENSSL_CIPHERS,
1373
    HV_KVM_SPICE_USE_VDAGENT: True,
1374
    HV_KVM_FLOPPY_IMAGE_PATH: "",
1375
    HV_CDROM_IMAGE_PATH: "",
1376
    HV_KVM_CDROM2_IMAGE_PATH: "",
1377
    HV_BOOT_ORDER: HT_BO_DISK,
1378
    HV_NIC_TYPE: HT_NIC_PARAVIRTUAL,
1379
    HV_DISK_TYPE: HT_DISK_PARAVIRTUAL,
1380
    HV_KVM_CDROM_DISK_TYPE: "",
1381
    HV_USB_MOUSE: "",
1382
    HV_KEYMAP: "",
1383
    HV_MIGRATION_PORT: 8102,
1384
    HV_MIGRATION_BANDWIDTH: 32, # MiB/s
1385
    HV_MIGRATION_DOWNTIME: 30,  # ms
1386
    HV_MIGRATION_MODE: HT_MIGRATION_LIVE,
1387
    HV_USE_LOCALTIME: False,
1388
    HV_DISK_CACHE: HT_CACHE_DEFAULT,
1389
    HV_SECURITY_MODEL: HT_SM_NONE,
1390
    HV_SECURITY_DOMAIN: "",
1391
    HV_KVM_FLAG: "",
1392
    HV_VHOST_NET: False,
1393
    HV_KVM_USE_CHROOT: False,
1394
    HV_MEM_PATH: "",
1395
    HV_REBOOT_BEHAVIOR: INSTANCE_REBOOT_ALLOWED,
1396
    },
1397
  HT_FAKE: {
1398
    },
1399
  HT_CHROOT: {
1400
    HV_INIT_SCRIPT: "/ganeti-chroot",
1401
    },
1402
  HT_LXC: {
1403
    HV_CPU_MASK: "",
1404
    },
1405
  }
1406

    
1407
HVC_GLOBALS = frozenset([
1408
  HV_MIGRATION_PORT,
1409
  HV_MIGRATION_BANDWIDTH,
1410
  HV_MIGRATION_MODE,
1411
  ])
1412

    
1413
BEC_DEFAULTS = {
1414
  BE_MEMORY: 128,
1415
  BE_VCPUS: 1,
1416
  BE_AUTO_BALANCE: True,
1417
  }
1418

    
1419
NDC_DEFAULTS = {
1420
  ND_OOB_PROGRAM: None,
1421
  }
1422

    
1423
NICC_DEFAULTS = {
1424
  NIC_MODE: NIC_MODE_BRIDGED,
1425
  NIC_LINK: DEFAULT_BRIDGE,
1426
  }
1427

    
1428
MASTER_POOL_SIZE_DEFAULT = 10
1429

    
1430
CONFD_PROTOCOL_VERSION = 1
1431

    
1432
CONFD_REQ_PING = 0
1433
CONFD_REQ_NODE_ROLE_BYNAME = 1
1434
CONFD_REQ_NODE_PIP_BY_INSTANCE_IP = 2
1435
CONFD_REQ_CLUSTER_MASTER = 3
1436
CONFD_REQ_NODE_PIP_LIST = 4
1437
CONFD_REQ_MC_PIP_LIST = 5
1438
CONFD_REQ_INSTANCES_IPS_LIST = 6
1439

    
1440
# Confd request query fields. These are used to narrow down queries.
1441
# These must be strings rather than integers, because json-encoding
1442
# converts them to strings anyway, as they're used as dict-keys.
1443
CONFD_REQQ_LINK = "0"
1444
CONFD_REQQ_IP = "1"
1445
CONFD_REQQ_IPLIST = "2"
1446
CONFD_REQQ_FIELDS = "3"
1447

    
1448
CONFD_REQFIELD_NAME = "0"
1449
CONFD_REQFIELD_IP = "1"
1450
CONFD_REQFIELD_MNODE_PIP = "2"
1451

    
1452
CONFD_REQS = frozenset([
1453
  CONFD_REQ_PING,
1454
  CONFD_REQ_NODE_ROLE_BYNAME,
1455
  CONFD_REQ_NODE_PIP_BY_INSTANCE_IP,
1456
  CONFD_REQ_CLUSTER_MASTER,
1457
  CONFD_REQ_NODE_PIP_LIST,
1458
  CONFD_REQ_MC_PIP_LIST,
1459
  CONFD_REQ_INSTANCES_IPS_LIST,
1460
  ])
1461

    
1462
CONFD_REPL_STATUS_OK = 0
1463
CONFD_REPL_STATUS_ERROR = 1
1464
CONFD_REPL_STATUS_NOTIMPLEMENTED = 2
1465

    
1466
CONFD_REPL_STATUSES = frozenset([
1467
  CONFD_REPL_STATUS_OK,
1468
  CONFD_REPL_STATUS_ERROR,
1469
  CONFD_REPL_STATUS_NOTIMPLEMENTED,
1470
  ])
1471

    
1472
(CONFD_NODE_ROLE_MASTER,
1473
 CONFD_NODE_ROLE_CANDIDATE,
1474
 CONFD_NODE_ROLE_OFFLINE,
1475
 CONFD_NODE_ROLE_DRAINED,
1476
 CONFD_NODE_ROLE_REGULAR,
1477
 ) = range(5)
1478

    
1479
# A few common errors for confd
1480
CONFD_ERROR_UNKNOWN_ENTRY = 1
1481
CONFD_ERROR_INTERNAL = 2
1482
CONFD_ERROR_ARGUMENT = 3
1483

    
1484
# Each request is "salted" by the current timestamp.
1485
# This constants decides how many seconds of skew to accept.
1486
# TODO: make this a default and allow the value to be more configurable
1487
CONFD_MAX_CLOCK_SKEW = 2 * NODE_MAX_CLOCK_SKEW
1488

    
1489
# When we haven't reloaded the config for more than this amount of seconds, we
1490
# force a test to see if inotify is betraying us.
1491
CONFD_CONFIG_RELOAD_TIMEOUT = 60
1492

    
1493
# If we receive more than one update in this amount of seconds, we move to
1494
# polling every RATELIMIT seconds, rather than relying on inotify, to be able
1495
# to serve more requests.
1496
CONFD_CONFIG_RELOAD_RATELIMIT = 2
1497

    
1498
# Magic number prepended to all confd queries.
1499
# This allows us to distinguish different types of confd protocols and handle
1500
# them. For example by changing this we can move the whole payload to be
1501
# compressed, or move away from json.
1502
CONFD_MAGIC_FOURCC = "plj0"
1503

    
1504
# By default a confd request is sent to the minimum between this number and all
1505
# MCs. 6 was chosen because even in the case of a disastrous 50% response rate,
1506
# we should have enough answers to be able to compare more than one.
1507
CONFD_DEFAULT_REQ_COVERAGE = 6
1508

    
1509
# Timeout in seconds to expire pending query request in the confd client
1510
# library. We don't actually expect any answer more than 10 seconds after we
1511
# sent a request.
1512
CONFD_CLIENT_EXPIRE_TIMEOUT = 10
1513

    
1514
# Maximum UDP datagram size.
1515
# On IPv4: 64K - 20 (ip header size) - 8 (udp header size) = 65507
1516
# On IPv6: 64K - 40 (ip6 header size) - 8 (udp header size) = 65487
1517
#   (assuming we can't use jumbo frames)
1518
# We just set this to 60K, which should be enough
1519
MAX_UDP_DATA_SIZE = 61440
1520

    
1521
# User-id pool minimum/maximum acceptable user-ids.
1522
UIDPOOL_UID_MIN = 0
1523
UIDPOOL_UID_MAX = 2 ** 32 - 1 # Assuming 32 bit user-ids
1524

    
1525
# Name or path of the pgrep command
1526
PGREP = "pgrep"
1527

    
1528
# Name of the node group that gets created at cluster init or upgrade
1529
INITIAL_NODE_GROUP_NAME = "default"
1530

    
1531
# Possible values for NodeGroup.alloc_policy
1532
ALLOC_POLICY_PREFERRED = "preferred"
1533
ALLOC_POLICY_LAST_RESORT = "last_resort"
1534
ALLOC_POLICY_UNALLOCABLE = "unallocable"
1535
VALID_ALLOC_POLICIES = [
1536
  ALLOC_POLICY_PREFERRED,
1537
  ALLOC_POLICY_LAST_RESORT,
1538
  ALLOC_POLICY_UNALLOCABLE,
1539
  ]
1540

    
1541
# Temporary external/shared storage parameters
1542
BLOCKDEV_DRIVER_MANUAL = "manual"
1543

    
1544
# Whether htools was enabled at compilation time
1545
HTOOLS = _autoconf.HTOOLS
1546
# The hail iallocator
1547
IALLOC_HAIL = "hail"