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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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# cpu pinning separators and constants
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CPU_PINNING_SEP = ":"
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CPU_PINNING_ALL = "all"
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# internal representation of "all"
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CPU_PINNING_ALL_VAL = -1
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# one "all" entry in a CPU list means CPU pinning is off
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CPU_PINNING_OFF = [CPU_PINNING_ALL_VAL]
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# A Xen-specific implementation detail - there is no way to actually say
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# "use any cpu for pinning" in a Xen configuration file, as opposed to the
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# command line, where you can say "xm vcpu-pin <domain> <vcpu> all".
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# The workaround used in Xen is "0-63" (see source code function
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# xm_vcpu_pin in <xen-source>/tools/python/xen/xm/main.py).
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# To support future changes, the following constant is treated as a
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# blackbox string that simply means use-any-cpu-for-pinning-under-xen.
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CPU_PINNING_ALL_XEN = "0-63"
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# A KVM-specific implementation detail - the following value is used
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# to set CPU affinity to all processors (#0 through #31), per taskset
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# man page.
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CPU_PINNING_ALL_KVM = 0xFFFFFFFF
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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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USER_SCRIPTS_DIR = CONF_DIR + "/scripts"
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ENABLE_CONFD = _autoconf.ENABLE_CONFD
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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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# Master IP address setup scripts paths (default and user-provided)
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DEFAULT_MASTER_SETUP_SCRIPT = TOOLSDIR + "/master-ip-setup"
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EXTERNAL_MASTER_SETUP_SCRIPT = USER_SCRIPTS_DIR + "/master-ip-setup"
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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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XEN_CMD = "xm"
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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_PATH = "/sbin:/bin:/usr/sbin:/usr/bin"
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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
421
# Note: Code depends on LDS_OKAY < LDS_UNKNOWN < LDS_FAULTY
422
(LDS_OKAY,
423
 LDS_UNKNOWN,
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 LDS_FAULTY) = range(1, 4)
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# disk template types
427
DT_DISKLESS = "diskless"
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DT_PLAIN = "plain"
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DT_DRBD8 = "drbd"
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DT_FILE = "file"
431
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)
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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])
442

    
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# the set of disk templates which can be grown
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DTS_GROWABLE = frozenset([DT_PLAIN, DT_DRBD8, DT_FILE, DT_SHARED_FILE])
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# the set of disk templates that allow adoption
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DTS_MAY_ADOPT = frozenset([DT_PLAIN, DT_BLOCK])
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449
# the set of disk templates that *must* use adoption
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DTS_MUST_ADOPT = frozenset([DT_BLOCK])
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# the set of disk templates that allow migrations
453
DTS_MIRRORED = frozenset.union(DTS_INT_MIRROR, DTS_EXT_MIRROR)
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# the set of file based disk templates
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DTS_FILEBASED = frozenset([DT_FILE, DT_SHARED_FILE])
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# logical disk types
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LD_LV = "lvm"
460
LD_DRBD8 = "drbd8"
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LD_FILE = "file"
462
LD_BLOCKDEV = "blockdev"
463
LOGICAL_DISK_TYPES = frozenset([
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  LD_LV,
465
  LD_DRBD8,
466
  LD_FILE,
467
  LD_BLOCKDEV,
468
  ])
469

    
470
LDS_BLOCK = frozenset([LD_LV, LD_DRBD8, LD_BLOCKDEV])
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# drbd constants
473
DRBD_HMAC_ALG = "md5"
474
DRBD_NET_PROTOCOL = "C"
475

    
476
# drbd barrier types
477
DRBD_B_NONE = "n"
478
DRBD_B_DISK_BARRIERS = "b"
479
DRBD_B_DISK_DRAIN = "d"
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DRBD_B_DISK_FLUSH = "f"
481

    
482
# Valid barrier combinations: "n" or any non-null subset of "bfd"
483
DRBD_VALID_BARRIER_OPT = frozenset([
484
  frozenset([DRBD_B_NONE]),
485
  frozenset([DRBD_B_DISK_BARRIERS]),
486
  frozenset([DRBD_B_DISK_DRAIN]),
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  frozenset([DRBD_B_DISK_FLUSH]),
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  frozenset([DRBD_B_DISK_DRAIN, DRBD_B_DISK_FLUSH]),
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  frozenset([DRBD_B_DISK_DRAIN, DRBD_B_DISK_FLUSH]),
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  frozenset([DRBD_B_DISK_BARRIERS, DRBD_B_DISK_DRAIN]),
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  frozenset([DRBD_B_DISK_BARRIERS, DRBD_B_DISK_FLUSH]),
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  frozenset([DRBD_B_DISK_BARRIERS, DRBD_B_DISK_FLUSH, DRBD_B_DISK_DRAIN]),
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  ])
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# file backend driver
496
FD_LOOP = "loop"
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FD_BLKTAP = "blktap"
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499
# the set of drbd-like disk types
500
LDS_DRBD = frozenset([LD_DRBD8])
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# disk access mode
503
DISK_RDONLY = "ro"
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DISK_RDWR = "rw"
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DISK_ACCESS_SET = frozenset([DISK_RDONLY, DISK_RDWR])
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# disk replacement mode
508
REPLACE_DISK_PRI = "replace_on_primary"    # replace disks on primary
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REPLACE_DISK_SEC = "replace_on_secondary"  # replace disks on secondary
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REPLACE_DISK_CHG = "replace_new_secondary" # change secondary node
511
REPLACE_DISK_AUTO = "replace_auto"
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REPLACE_MODES = frozenset([
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  REPLACE_DISK_PRI,
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  REPLACE_DISK_SEC,
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  REPLACE_DISK_CHG,
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  REPLACE_DISK_AUTO,
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  ])
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# Instance export mode
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EXPORT_MODE_LOCAL = "local"
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EXPORT_MODE_REMOTE = "remote"
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EXPORT_MODES = frozenset([
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  EXPORT_MODE_LOCAL,
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  EXPORT_MODE_REMOTE,
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  ])
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# Lock recalculate mode
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LOCKS_REPLACE = "replace"
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LOCKS_APPEND = "append"
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# Lock timeout (sum) before we should go into blocking acquire (still
532
# can be reset by priority change); computed as max time (10 hours)
533
# before we should actually go into blocking acquire given that we
534
# start from default priority level; in seconds
535
LOCK_ATTEMPTS_TIMEOUT = 10 * 3600 / 20.0
536
LOCK_ATTEMPTS_MAXWAIT = 15.0
537
LOCK_ATTEMPTS_MINWAIT = 1.0
538

    
539
# instance creation modes
540
INSTANCE_CREATE = "create"
541
INSTANCE_IMPORT = "import"
542
INSTANCE_REMOTE_IMPORT = "remote-import"
543
INSTANCE_CREATE_MODES = frozenset([
544
  INSTANCE_CREATE,
545
  INSTANCE_IMPORT,
546
  INSTANCE_REMOTE_IMPORT,
547
  ])
548

    
549
# Remote import/export handshake message and version
550
RIE_VERSION = 0
551
RIE_HANDSHAKE = "Hi, I'm Ganeti"
552

    
553
# Remote import/export certificate validity in seconds
554
RIE_CERT_VALIDITY = 24 * 60 * 60
555

    
556
# Overall timeout for establishing connection
557
RIE_CONNECT_TIMEOUT = 180
558

    
559
# Export only: how long to wait per connection attempt (seconds)
560
RIE_CONNECT_ATTEMPT_TIMEOUT = 20
561

    
562
# Export only: number of attempts to connect
563
RIE_CONNECT_RETRIES = 10
564

    
565
#: Give child process up to 5 seconds to exit after sending a signal
566
CHILD_LINGER_TIMEOUT = 5.0
567

    
568
DISK_TEMPLATES = frozenset([
569
  DT_DISKLESS,
570
  DT_PLAIN,
571
  DT_DRBD8,
572
  DT_FILE,
573
  DT_SHARED_FILE,
574
  DT_BLOCK
575
  ])
576

    
577
FILE_DRIVER = frozenset([FD_LOOP, FD_BLKTAP])
578

    
579
# import/export config options
580
INISECT_EXP = "export"
581
INISECT_INS = "instance"
582
INISECT_HYP = "hypervisor"
583
INISECT_BEP = "backend"
584
INISECT_OSP = "os"
585

    
586
# dynamic device modification
587
DDM_ADD = "add"
588
DDM_REMOVE = "remove"
589
DDMS_VALUES = frozenset([DDM_ADD, DDM_REMOVE])
590

    
591
# common exit codes
592
EXIT_SUCCESS = 0
593
EXIT_FAILURE = 1
594
EXIT_NOTCLUSTER = 5
595
EXIT_NOTMASTER = 11
596
EXIT_NODESETUP_ERROR = 12
597
EXIT_CONFIRMATION = 13 # need user confirmation
598

    
599
#: Exit code for query operations with unknown fields
600
EXIT_UNKNOWN_FIELD = 14
601

    
602
# tags
603
TAG_CLUSTER = "cluster"
604
TAG_NODEGROUP = "nodegroup"
605
TAG_NODE = "node"
606
TAG_INSTANCE = "instance"
607
VALID_TAG_TYPES = frozenset([
608
  TAG_CLUSTER,
609
  TAG_NODEGROUP,
610
  TAG_NODE,
611
  TAG_INSTANCE,
612
  ])
613
MAX_TAG_LEN = 128
614
MAX_TAGS_PER_OBJ = 4096
615

    
616
# others
617
DEFAULT_BRIDGE = "xen-br0"
618
CLASSIC_DRBD_SYNC_SPEED = 60 * 1024  # 60 MiB, expressed in KiB
619
IP4_ADDRESS_LOCALHOST = "127.0.0.1"
620
IP4_ADDRESS_ANY = "0.0.0.0"
621
IP6_ADDRESS_LOCALHOST = "::1"
622
IP6_ADDRESS_ANY = "::"
623
IP4_VERSION = 4
624
IP6_VERSION = 6
625
VALID_IP_VERSIONS = frozenset([IP4_VERSION, IP6_VERSION])
626
TCP_PING_TIMEOUT = 10
627
GANETI_RUNAS = "root"
628
DEFAULT_VG = "xenvg"
629
DEFAULT_DRBD_HELPER = "/bin/true"
630
MIN_VG_SIZE = 20480
631
DEFAULT_MAC_PREFIX = "aa:00:00"
632
# default maximum instance wait time, in seconds.
633
DEFAULT_SHUTDOWN_TIMEOUT = 120
634
NODE_MAX_CLOCK_SKEW = 150
635
# Time for an intra-cluster disk transfer to wait for a connection
636
DISK_TRANSFER_CONNECT_TIMEOUT = 60
637
# Disk index separator
638
DISK_SEPARATOR = _autoconf.DISK_SEPARATOR
639
IP_COMMAND_PATH = _autoconf.IP_PATH
640

    
641
#: Key for job IDs in opcode result
642
JOB_IDS_KEY = "jobs"
643

    
644
# runparts results
645
(RUNPARTS_SKIP,
646
 RUNPARTS_RUN,
647
 RUNPARTS_ERR) = range(3)
648

    
649
RUNPARTS_STATUS = frozenset([RUNPARTS_SKIP, RUNPARTS_RUN, RUNPARTS_ERR])
650

    
651
# RPC constants
652
(RPC_ENCODING_NONE,
653
 RPC_ENCODING_ZLIB_BASE64) = range(2)
654

    
655
# os related constants
656
OS_SCRIPT_CREATE = "create"
657
OS_SCRIPT_IMPORT = "import"
658
OS_SCRIPT_EXPORT = "export"
659
OS_SCRIPT_RENAME = "rename"
660
OS_SCRIPT_VERIFY = "verify"
661
OS_SCRIPTS = frozenset([
662
  OS_SCRIPT_CREATE,
663
  OS_SCRIPT_IMPORT,
664
  OS_SCRIPT_EXPORT,
665
  OS_SCRIPT_RENAME,
666
  OS_SCRIPT_VERIFY
667
  ])
668

    
669
OS_API_FILE = "ganeti_api_version"
670
OS_VARIANTS_FILE = "variants.list"
671
OS_PARAMETERS_FILE = "parameters.list"
672

    
673
OS_VALIDATE_PARAMETERS = "parameters"
674
OS_VALIDATE_CALLS = frozenset([OS_VALIDATE_PARAMETERS])
675

    
676
# ssh constants
677
SSH_CONFIG_DIR = _autoconf.SSH_CONFIG_DIR
678
SSH_HOST_DSA_PRIV = SSH_CONFIG_DIR + "/ssh_host_dsa_key"
679
SSH_HOST_DSA_PUB = SSH_HOST_DSA_PRIV + ".pub"
680
SSH_HOST_RSA_PRIV = SSH_CONFIG_DIR + "/ssh_host_rsa_key"
681
SSH_HOST_RSA_PUB = SSH_HOST_RSA_PRIV + ".pub"
682
SSH = "ssh"
683
SCP = "scp"
684

    
685
# reboot types
686
INSTANCE_REBOOT_SOFT = "soft"
687
INSTANCE_REBOOT_HARD = "hard"
688
INSTANCE_REBOOT_FULL = "full"
689

    
690
REBOOT_TYPES = frozenset([
691
  INSTANCE_REBOOT_SOFT,
692
  INSTANCE_REBOOT_HARD,
693
  INSTANCE_REBOOT_FULL
694
  ])
695

    
696
# instance reboot behaviors
697
INSTANCE_REBOOT_ALLOWED = "reboot"
698
INSTANCE_REBOOT_EXIT = "exit"
699

    
700
REBOOT_BEHAVIORS = frozenset([
701
  INSTANCE_REBOOT_ALLOWED,
702
  INSTANCE_REBOOT_EXIT
703
  ])
704

    
705
VTYPE_STRING = "string"
706
VTYPE_MAYBE_STRING = "maybe-string"
707
VTYPE_BOOL = "bool"
708
VTYPE_SIZE = "size" # size, in MiBs
709
VTYPE_INT = "int"
710
ENFORCEABLE_TYPES = frozenset([
711
  VTYPE_STRING,
712
  VTYPE_MAYBE_STRING,
713
  VTYPE_BOOL,
714
  VTYPE_SIZE,
715
  VTYPE_INT,
716
  ])
717

    
718
# Constant representing that the user does not specify any IP version
719
IFACE_NO_IP_VERSION_SPECIFIED = 0
720

    
721
# HV parameter names (global namespace)
722
HV_BOOT_ORDER = "boot_order"
723
HV_CDROM_IMAGE_PATH = "cdrom_image_path"
724
HV_KVM_CDROM2_IMAGE_PATH = "cdrom2_image_path"
725
HV_KVM_FLOPPY_IMAGE_PATH = "floppy_image_path"
726
HV_NIC_TYPE = "nic_type"
727
HV_DISK_TYPE = "disk_type"
728
HV_KVM_CDROM_DISK_TYPE = "cdrom_disk_type"
729
HV_VNC_BIND_ADDRESS = "vnc_bind_address"
730
HV_VNC_PASSWORD_FILE = "vnc_password_file"
731
HV_VNC_TLS = "vnc_tls"
732
HV_VNC_X509 = "vnc_x509_path"
733
HV_VNC_X509_VERIFY = "vnc_x509_verify"
734
HV_KVM_SPICE_BIND = "spice_bind"
735
HV_KVM_SPICE_IP_VERSION = "spice_ip_version"
736
HV_KVM_SPICE_PASSWORD_FILE = "spice_password_file"
737
HV_KVM_SPICE_LOSSLESS_IMG_COMPR = "spice_image_compression"
738
HV_KVM_SPICE_JPEG_IMG_COMPR = "spice_jpeg_wan_compression"
739
HV_KVM_SPICE_ZLIB_GLZ_IMG_COMPR = "spice_zlib_glz_wan_compression"
740
HV_KVM_SPICE_STREAMING_VIDEO_DETECTION = "spice_streaming_video"
741
HV_KVM_SPICE_AUDIO_COMPR = "spice_playback_compression"
742
HV_KVM_SPICE_USE_TLS = "spice_use_tls"
743
HV_KVM_SPICE_TLS_CIPHERS = "spice_tls_ciphers"
744
HV_KVM_SPICE_USE_VDAGENT = "spice_use_vdagent"
745
HV_ACPI = "acpi"
746
HV_PAE = "pae"
747
HV_USE_BOOTLOADER = "use_bootloader"
748
HV_BOOTLOADER_ARGS = "bootloader_args"
749
HV_BOOTLOADER_PATH = "bootloader_path"
750
HV_KERNEL_ARGS = "kernel_args"
751
HV_KERNEL_PATH = "kernel_path"
752
HV_INITRD_PATH = "initrd_path"
753
HV_ROOT_PATH = "root_path"
754
HV_SERIAL_CONSOLE = "serial_console"
755
HV_USB_MOUSE = "usb_mouse"
756
HV_KEYMAP = "keymap"
757
HV_DEVICE_MODEL = "device_model"
758
HV_INIT_SCRIPT = "init_script"
759
HV_MIGRATION_PORT = "migration_port"
760
HV_MIGRATION_BANDWIDTH = "migration_bandwidth"
761
HV_MIGRATION_DOWNTIME = "migration_downtime"
762
HV_MIGRATION_MODE = "migration_mode"
763
HV_USE_LOCALTIME = "use_localtime"
764
HV_DISK_CACHE = "disk_cache"
765
HV_SECURITY_MODEL = "security_model"
766
HV_SECURITY_DOMAIN = "security_domain"
767
HV_KVM_FLAG = "kvm_flag"
768
HV_VHOST_NET = "vhost_net"
769
HV_KVM_USE_CHROOT = "use_chroot"
770
HV_CPU_MASK = "cpu_mask"
771
HV_MEM_PATH = "mem_path"
772
HV_BLOCKDEV_PREFIX = "blockdev_prefix"
773
HV_REBOOT_BEHAVIOR = "reboot_behavior"
774

    
775
HVS_PARAMETER_TYPES = {
776
  HV_BOOT_ORDER: VTYPE_STRING,
777
  HV_KVM_FLOPPY_IMAGE_PATH: VTYPE_STRING,
778
  HV_CDROM_IMAGE_PATH: VTYPE_STRING,
779
  HV_KVM_CDROM2_IMAGE_PATH: VTYPE_STRING,
780
  HV_NIC_TYPE: VTYPE_STRING,
781
  HV_DISK_TYPE: VTYPE_STRING,
782
  HV_KVM_CDROM_DISK_TYPE: VTYPE_STRING,
783
  HV_VNC_PASSWORD_FILE: VTYPE_STRING,
784
  HV_VNC_BIND_ADDRESS: VTYPE_STRING,
785
  HV_VNC_TLS: VTYPE_BOOL,
786
  HV_VNC_X509: VTYPE_STRING,
787
  HV_VNC_X509_VERIFY: VTYPE_BOOL,
788
  HV_KVM_SPICE_BIND: VTYPE_STRING,
789
  HV_KVM_SPICE_IP_VERSION: VTYPE_INT,
790
  HV_KVM_SPICE_PASSWORD_FILE: VTYPE_STRING,
791
  HV_KVM_SPICE_LOSSLESS_IMG_COMPR: VTYPE_STRING,
792
  HV_KVM_SPICE_JPEG_IMG_COMPR: VTYPE_STRING,
793
  HV_KVM_SPICE_ZLIB_GLZ_IMG_COMPR: VTYPE_STRING,
794
  HV_KVM_SPICE_STREAMING_VIDEO_DETECTION: VTYPE_STRING,
795
  HV_KVM_SPICE_AUDIO_COMPR: VTYPE_BOOL,
796
  HV_KVM_SPICE_USE_TLS: VTYPE_BOOL,
797
  HV_KVM_SPICE_TLS_CIPHERS: VTYPE_STRING,
798
  HV_KVM_SPICE_USE_VDAGENT: VTYPE_BOOL,
799
  HV_ACPI: VTYPE_BOOL,
800
  HV_PAE: VTYPE_BOOL,
801
  HV_USE_BOOTLOADER: VTYPE_BOOL,
802
  HV_BOOTLOADER_PATH: VTYPE_STRING,
803
  HV_BOOTLOADER_ARGS: VTYPE_STRING,
804
  HV_KERNEL_PATH: VTYPE_STRING,
805
  HV_KERNEL_ARGS: VTYPE_STRING,
806
  HV_INITRD_PATH: VTYPE_STRING,
807
  HV_ROOT_PATH: VTYPE_MAYBE_STRING,
808
  HV_SERIAL_CONSOLE: VTYPE_BOOL,
809
  HV_USB_MOUSE: VTYPE_STRING,
810
  HV_KEYMAP: VTYPE_STRING,
811
  HV_DEVICE_MODEL: VTYPE_STRING,
812
  HV_INIT_SCRIPT: VTYPE_STRING,
813
  HV_MIGRATION_PORT: VTYPE_INT,
814
  HV_MIGRATION_BANDWIDTH: VTYPE_INT,
815
  HV_MIGRATION_DOWNTIME: VTYPE_INT,
816
  HV_MIGRATION_MODE: VTYPE_STRING,
817
  HV_USE_LOCALTIME: VTYPE_BOOL,
818
  HV_DISK_CACHE: VTYPE_STRING,
819
  HV_SECURITY_MODEL: VTYPE_STRING,
820
  HV_SECURITY_DOMAIN: VTYPE_STRING,
821
  HV_KVM_FLAG: VTYPE_STRING,
822
  HV_VHOST_NET: VTYPE_BOOL,
823
  HV_KVM_USE_CHROOT: VTYPE_BOOL,
824
  HV_CPU_MASK: VTYPE_STRING,
825
  HV_MEM_PATH: VTYPE_STRING,
826
  HV_BLOCKDEV_PREFIX: VTYPE_STRING,
827
  HV_REBOOT_BEHAVIOR: VTYPE_STRING,
828
  }
829

    
830
HVS_PARAMETERS = frozenset(HVS_PARAMETER_TYPES.keys())
831

    
832
# Migration statuses
833
HV_MIGRATION_COMPLETED = "completed"
834
HV_MIGRATION_ACTIVE = "active"
835
HV_MIGRATION_FAILED = "failed"
836
HV_MIGRATION_CANCELLED = "cancelled"
837

    
838
HV_MIGRATION_VALID_STATUSES = frozenset([
839
  HV_MIGRATION_COMPLETED,
840
  HV_MIGRATION_ACTIVE,
841
  HV_MIGRATION_FAILED,
842
  HV_MIGRATION_CANCELLED,
843
  ])
844

    
845
HV_MIGRATION_FAILED_STATUSES = frozenset([
846
  HV_MIGRATION_FAILED,
847
  HV_MIGRATION_CANCELLED,
848
  ])
849

    
850
# KVM-specific statuses
851
HV_KVM_MIGRATION_VALID_STATUSES = HV_MIGRATION_VALID_STATUSES
852

    
853
# Node info keys
854
HV_NODEINFO_KEY_VERSION = "hv_version"
855

    
856
# Hypervisor state
857
HVST_MEMORY_TOTAL = "mem_total"
858
HVST_MEMORY_NODE = "mem_node"
859
HVST_MEMORY_HV = "mem_hv"
860
HVST_CPU_TOTAL = "cpu_total"
861
HVST_CPU_NODE = "cpu_node"
862

    
863
HVST_DEFAULTS = {
864
  HVST_MEMORY_TOTAL: 0,
865
  HVST_MEMORY_NODE: 0,
866
  HVST_MEMORY_HV: 0,
867
  HVST_CPU_TOTAL: 1,
868
  HVST_CPU_NODE: 1,
869
  }
870

    
871
HVSTS_PARAMETER_TYPES = {
872
  HVST_MEMORY_TOTAL: VTYPE_INT,
873
  HVST_MEMORY_NODE: VTYPE_INT,
874
  HVST_MEMORY_HV: VTYPE_INT,
875
  HVST_CPU_TOTAL: VTYPE_INT,
876
  HVST_CPU_NODE: VTYPE_INT,
877
  }
878

    
879
HVSTS_PARAMETERS = frozenset(HVSTS_PARAMETER_TYPES.keys())
880

    
881
# Disk state
882
DS_DISK_TOTAL = "disk_total"
883
DS_DISK_RESERVED = "disk_reserved"
884
DS_DISK_OVERHEAD = "disk_overhead"
885

    
886
DS_DEFAULTS = {
887
  DS_DISK_TOTAL: 0,
888
  DS_DISK_RESERVED: 0,
889
  DS_DISK_OVERHEAD: 0,
890
  }
891

    
892
DSS_PARAMETER_TYPES = {
893
  DS_DISK_TOTAL: VTYPE_INT,
894
  DS_DISK_RESERVED: VTYPE_INT,
895
  DS_DISK_OVERHEAD: VTYPE_INT,
896
  }
897

    
898
DSS_PARAMETERS = frozenset(DSS_PARAMETER_TYPES.keys())
899
DS_VALID_TYPES = frozenset([LD_LV])
900

    
901
# Backend parameter names
902
BE_MEMORY = "memory" # deprecated and replaced by max and min mem
903
BE_MAXMEM = "maxmem"
904
BE_MINMEM = "minmem"
905
BE_VCPUS = "vcpus"
906
BE_AUTO_BALANCE = "auto_balance"
907
BE_ALWAYS_FAILOVER = "always_failover"
908

    
909
BES_PARAMETER_TYPES = {
910
  BE_MAXMEM: VTYPE_SIZE,
911
  BE_MINMEM: VTYPE_SIZE,
912
  BE_VCPUS: VTYPE_INT,
913
  BE_AUTO_BALANCE: VTYPE_BOOL,
914
  BE_ALWAYS_FAILOVER: VTYPE_BOOL,
915
  }
916

    
917
BES_PARAMETER_COMPAT = {
918
  BE_MEMORY: VTYPE_SIZE,
919
  }
920
BES_PARAMETER_COMPAT.update(BES_PARAMETER_TYPES)
921

    
922
BES_PARAMETERS = frozenset(BES_PARAMETER_TYPES.keys())
923

    
924
# instance specs
925
ISPEC_MEM_SIZE = "memory-size"
926
ISPEC_CPU_COUNT = "cpu-count"
927
ISPEC_DISK_COUNT = "disk-count"
928
ISPEC_DISK_SIZE = "disk-size"
929
ISPEC_NIC_COUNT = "nic-count"
930

    
931
ISPECS_PARAMETER_TYPES = {
932
  ISPEC_MEM_SIZE: VTYPE_INT,
933
  ISPEC_CPU_COUNT: VTYPE_INT,
934
  ISPEC_DISK_COUNT: VTYPE_INT,
935
  ISPEC_DISK_SIZE: VTYPE_INT,
936
  ISPEC_NIC_COUNT: VTYPE_INT,
937
  }
938

    
939
ISPECS_PARAMETERS = frozenset(ISPECS_PARAMETER_TYPES.keys())
940

    
941
ISPECS_MIN = "min"
942
ISPECS_MAX = "max"
943
ISPECS_STD = "std"
944

    
945
IPOLICY_PARAMETERS = frozenset([
946
  ISPECS_MIN,
947
  ISPECS_MAX,
948
  ISPECS_STD,
949
  ])
950

    
951
# Node parameter names
952
ND_OOB_PROGRAM = "oob_program"
953

    
954
NDS_PARAMETER_TYPES = {
955
  ND_OOB_PROGRAM: VTYPE_MAYBE_STRING,
956
  }
957

    
958
NDS_PARAMETERS = frozenset(NDS_PARAMETER_TYPES.keys())
959

    
960
# Logical Disks parameters
961
LDP_RESYNC_RATE = "resync-rate"
962
LDP_STRIPES = "stripes"
963
LDP_BARRIERS = "disabled-barriers"
964
LDP_NO_META_FLUSH = "disable-meta-flush"
965
LDP_DEFAULT_METAVG = "default-metavg"
966
LDP_DISK_CUSTOM = "disk-custom"
967
LDP_NET_CUSTOM = "net-custom"
968
DISK_LD_TYPES = {
969
  LDP_RESYNC_RATE: VTYPE_INT,
970
  LDP_STRIPES: VTYPE_INT,
971
  LDP_BARRIERS: VTYPE_STRING,
972
  LDP_NO_META_FLUSH: VTYPE_BOOL,
973
  LDP_DEFAULT_METAVG: VTYPE_STRING,
974
  LDP_DISK_CUSTOM: VTYPE_STRING,
975
  LDP_NET_CUSTOM: VTYPE_STRING,
976
  }
977
DISK_LD_PARAMETERS = frozenset(DISK_LD_TYPES.keys())
978

    
979
# Disk template parameters
980
DRBD_RESYNC_RATE = "resync-rate"
981
DRBD_DATA_STRIPES = "data-stripes"
982
DRBD_META_STRIPES = "meta-stripes"
983
DRBD_DISK_BARRIERS = "disk-barriers"
984
DRBD_META_BARRIERS = "meta-barriers"
985
DRBD_DEFAULT_METAVG = "metavg"
986
DRBD_DISK_CUSTOM = "disk-custom"
987
DRBD_NET_CUSTOM = "net-custom"
988
LV_STRIPES = "stripes"
989
DISK_DT_TYPES = {
990
  DRBD_RESYNC_RATE: VTYPE_INT,
991
  DRBD_DATA_STRIPES: VTYPE_INT,
992
  DRBD_META_STRIPES: VTYPE_INT,
993
  DRBD_DISK_BARRIERS: VTYPE_STRING,
994
  DRBD_META_BARRIERS: VTYPE_BOOL,
995
  DRBD_DEFAULT_METAVG: VTYPE_STRING,
996
  DRBD_DISK_CUSTOM: VTYPE_STRING,
997
  DRBD_NET_CUSTOM: VTYPE_STRING,
998
  LV_STRIPES: VTYPE_INT,
999
  }
1000

    
1001
DISK_DT_PARAMETERS = frozenset(DISK_DT_TYPES.keys())
1002

    
1003
# OOB supported commands
1004
OOB_POWER_ON = "power-on"
1005
OOB_POWER_OFF = "power-off"
1006
OOB_POWER_CYCLE = "power-cycle"
1007
OOB_POWER_STATUS = "power-status"
1008
OOB_HEALTH = "health"
1009

    
1010
OOB_COMMANDS = frozenset([
1011
  OOB_POWER_ON,
1012
  OOB_POWER_OFF,
1013
  OOB_POWER_CYCLE,
1014
  OOB_POWER_STATUS,
1015
  OOB_HEALTH
1016
  ])
1017

    
1018
OOB_POWER_STATUS_POWERED = "powered"
1019

    
1020
OOB_TIMEOUT = 60 # 60 seconds
1021
OOB_POWER_DELAY = 2.0 # 2 seconds
1022

    
1023
OOB_STATUS_OK = "OK"
1024
OOB_STATUS_WARNING = "WARNING"
1025
OOB_STATUS_CRITICAL = "CRITICAL"
1026
OOB_STATUS_UNKNOWN = "UNKNOWN"
1027

    
1028
OOB_STATUSES = frozenset([
1029
  OOB_STATUS_OK,
1030
  OOB_STATUS_WARNING,
1031
  OOB_STATUS_CRITICAL,
1032
  OOB_STATUS_UNKNOWN,
1033
  ])
1034

    
1035
# Instance Parameters Profile
1036
PP_DEFAULT = "default"
1037

    
1038
# NIC_* constants are used inside the ganeti config
1039
NIC_MODE = "mode"
1040
NIC_LINK = "link"
1041

    
1042
NIC_MODE_BRIDGED = "bridged"
1043
NIC_MODE_ROUTED = "routed"
1044

    
1045
NIC_VALID_MODES = frozenset([NIC_MODE_BRIDGED, NIC_MODE_ROUTED])
1046

    
1047
NICS_PARAMETER_TYPES = {
1048
  NIC_MODE: VTYPE_STRING,
1049
  NIC_LINK: VTYPE_STRING,
1050
  }
1051

    
1052
NICS_PARAMETERS = frozenset(NICS_PARAMETER_TYPES.keys())
1053

    
1054
# IDISK_* constants are used in opcodes, to create/change disks
1055
IDISK_SIZE = "size"
1056
IDISK_MODE = "mode"
1057
IDISK_ADOPT = "adopt"
1058
IDISK_VG = "vg"
1059
IDISK_METAVG = "metavg"
1060
IDISK_PARAMS_TYPES = {
1061
  IDISK_SIZE: VTYPE_SIZE,
1062
  IDISK_MODE: VTYPE_STRING,
1063
  IDISK_ADOPT: VTYPE_STRING,
1064
  IDISK_VG: VTYPE_STRING,
1065
  IDISK_METAVG: VTYPE_STRING,
1066
  }
1067
IDISK_PARAMS = frozenset(IDISK_PARAMS_TYPES.keys())
1068

    
1069
# INIC_* constants are used in opcodes, to create/change nics
1070
INIC_MAC = "mac"
1071
INIC_IP = "ip"
1072
INIC_MODE = "mode"
1073
INIC_LINK = "link"
1074
INIC_PARAMS_TYPES = {
1075
  INIC_IP: VTYPE_MAYBE_STRING,
1076
  INIC_LINK: VTYPE_STRING,
1077
  INIC_MAC: VTYPE_STRING,
1078
  INIC_MODE: VTYPE_STRING,
1079
  }
1080
INIC_PARAMS = frozenset(INIC_PARAMS_TYPES.keys())
1081

    
1082
# Hypervisor constants
1083
HT_XEN_PVM = "xen-pvm"
1084
HT_FAKE = "fake"
1085
HT_XEN_HVM = "xen-hvm"
1086
HT_KVM = "kvm"
1087
HT_CHROOT = "chroot"
1088
HT_LXC = "lxc"
1089
HYPER_TYPES = frozenset([
1090
  HT_XEN_PVM,
1091
  HT_FAKE,
1092
  HT_XEN_HVM,
1093
  HT_KVM,
1094
  HT_CHROOT,
1095
  HT_LXC,
1096
  ])
1097
HTS_REQ_PORT = frozenset([HT_XEN_HVM, HT_KVM])
1098

    
1099
VNC_BASE_PORT = 5900
1100
VNC_PASSWORD_FILE = CONF_DIR + "/vnc-cluster-password"
1101
VNC_DEFAULT_BIND_ADDRESS = IP4_ADDRESS_ANY
1102

    
1103
# NIC types
1104
HT_NIC_RTL8139 = "rtl8139"
1105
HT_NIC_NE2K_PCI = "ne2k_pci"
1106
HT_NIC_NE2K_ISA = "ne2k_isa"
1107
HT_NIC_I82551 = "i82551"
1108
HT_NIC_I85557B = "i82557b"
1109
HT_NIC_I8259ER = "i82559er"
1110
HT_NIC_PCNET = "pcnet"
1111
HT_NIC_E1000 = "e1000"
1112
HT_NIC_PARAVIRTUAL = HT_DISK_PARAVIRTUAL = "paravirtual"
1113

    
1114
HT_HVM_VALID_NIC_TYPES = frozenset([
1115
  HT_NIC_RTL8139,
1116
  HT_NIC_NE2K_PCI,
1117
  HT_NIC_E1000,
1118
  HT_NIC_NE2K_ISA,
1119
  HT_NIC_PARAVIRTUAL
1120
  ])
1121
HT_KVM_VALID_NIC_TYPES = frozenset([
1122
  HT_NIC_RTL8139,
1123
  HT_NIC_NE2K_PCI,
1124
  HT_NIC_NE2K_ISA,
1125
  HT_NIC_I82551,
1126
  HT_NIC_I85557B,
1127
  HT_NIC_I8259ER,
1128
  HT_NIC_PCNET,
1129
  HT_NIC_E1000,
1130
  HT_NIC_PARAVIRTUAL
1131
  ])
1132

    
1133
# Disk types
1134
HT_DISK_IOEMU = "ioemu"
1135
HT_DISK_IDE = "ide"
1136
HT_DISK_SCSI = "scsi"
1137
HT_DISK_SD = "sd"
1138
HT_DISK_MTD = "mtd"
1139
HT_DISK_PFLASH = "pflash"
1140

    
1141
HT_CACHE_DEFAULT = "default"
1142
HT_CACHE_NONE = "none"
1143
HT_CACHE_WTHROUGH = "writethrough"
1144
HT_CACHE_WBACK = "writeback"
1145
HT_VALID_CACHE_TYPES = frozenset([
1146
  HT_CACHE_DEFAULT,
1147
  HT_CACHE_NONE,
1148
  HT_CACHE_WTHROUGH,
1149
  HT_CACHE_WBACK
1150
  ])
1151

    
1152
HT_HVM_VALID_DISK_TYPES = frozenset([HT_DISK_PARAVIRTUAL, HT_DISK_IOEMU])
1153
HT_KVM_VALID_DISK_TYPES = frozenset([
1154
  HT_DISK_PARAVIRTUAL,
1155
  HT_DISK_IDE,
1156
  HT_DISK_SCSI,
1157
  HT_DISK_SD,
1158
  HT_DISK_MTD,
1159
  HT_DISK_PFLASH
1160
  ])
1161

    
1162
# Mouse types:
1163
HT_MOUSE_MOUSE = "mouse"
1164
HT_MOUSE_TABLET = "tablet"
1165

    
1166
HT_KVM_VALID_MOUSE_TYPES = frozenset([HT_MOUSE_MOUSE, HT_MOUSE_TABLET])
1167

    
1168
# Boot order
1169
HT_BO_FLOPPY = "floppy"
1170
HT_BO_CDROM = "cdrom"
1171
HT_BO_DISK = "disk"
1172
HT_BO_NETWORK = "network"
1173

    
1174
HT_KVM_VALID_BO_TYPES = frozenset([
1175
  HT_BO_FLOPPY,
1176
  HT_BO_CDROM,
1177
  HT_BO_DISK,
1178
  HT_BO_NETWORK
1179
  ])
1180

    
1181
# SPICE lossless image compression options
1182
HT_KVM_SPICE_LOSSLESS_IMG_COMPR_AUTO_GLZ = "auto_glz"
1183
HT_KVM_SPICE_LOSSLESS_IMG_COMPR_AUTO_LZ = "auto_lz"
1184
HT_KVM_SPICE_LOSSLESS_IMG_COMPR_QUIC = "quic"
1185
HT_KVM_SPICE_LOSSLESS_IMG_COMPR_GLZ = "glz"
1186
HT_KVM_SPICE_LOSSLESS_IMG_COMPR_LZ = "lz"
1187
HT_KVM_SPICE_LOSSLESS_IMG_COMPR_OFF = "off"
1188

    
1189
HT_KVM_SPICE_VALID_LOSSLESS_IMG_COMPR_OPTIONS = frozenset([
1190
  HT_KVM_SPICE_LOSSLESS_IMG_COMPR_AUTO_GLZ,
1191
  HT_KVM_SPICE_LOSSLESS_IMG_COMPR_AUTO_LZ,
1192
  HT_KVM_SPICE_LOSSLESS_IMG_COMPR_QUIC,
1193
  HT_KVM_SPICE_LOSSLESS_IMG_COMPR_GLZ,
1194
  HT_KVM_SPICE_LOSSLESS_IMG_COMPR_LZ,
1195
  HT_KVM_SPICE_LOSSLESS_IMG_COMPR_OFF,
1196
  ])
1197

    
1198
# SPICE lossy image compression options (valid for both jpeg and zlib-glz)
1199
HT_KVM_SPICE_LOSSY_IMG_COMPR_AUTO = "auto"
1200
HT_KVM_SPICE_LOSSY_IMG_COMPR_NEVER = "never"
1201
HT_KVM_SPICE_LOSSY_IMG_COMPR_ALWAYS = "always"
1202

    
1203
HT_KVM_SPICE_VALID_LOSSY_IMG_COMPR_OPTIONS = frozenset([
1204
  HT_KVM_SPICE_LOSSY_IMG_COMPR_AUTO,
1205
  HT_KVM_SPICE_LOSSY_IMG_COMPR_NEVER,
1206
  HT_KVM_SPICE_LOSSY_IMG_COMPR_ALWAYS,
1207
  ])
1208

    
1209
# SPICE video stream detection
1210
HT_KVM_SPICE_VIDEO_STREAM_DETECTION_OFF = "off"
1211
HT_KVM_SPICE_VIDEO_STREAM_DETECTION_ALL = "all"
1212
HT_KVM_SPICE_VIDEO_STREAM_DETECTION_FILTER = "filter"
1213

    
1214
HT_KVM_SPICE_VALID_VIDEO_STREAM_DETECTION_OPTIONS = frozenset([
1215
  HT_KVM_SPICE_VIDEO_STREAM_DETECTION_OFF,
1216
  HT_KVM_SPICE_VIDEO_STREAM_DETECTION_ALL,
1217
  HT_KVM_SPICE_VIDEO_STREAM_DETECTION_FILTER,
1218
  ])
1219

    
1220
# Security models
1221
HT_SM_NONE = "none"
1222
HT_SM_USER = "user"
1223
HT_SM_POOL = "pool"
1224

    
1225
HT_KVM_VALID_SM_TYPES = frozenset([HT_SM_NONE, HT_SM_USER, HT_SM_POOL])
1226

    
1227
# Kvm flag values
1228
HT_KVM_ENABLED = "enabled"
1229
HT_KVM_DISABLED = "disabled"
1230

    
1231
HT_KVM_FLAG_VALUES = frozenset([HT_KVM_ENABLED, HT_KVM_DISABLED])
1232

    
1233
# Migration type
1234
HT_MIGRATION_LIVE = "live"
1235
HT_MIGRATION_NONLIVE = "non-live"
1236
HT_MIGRATION_MODES = frozenset([HT_MIGRATION_LIVE, HT_MIGRATION_NONLIVE])
1237

    
1238
# Cluster Verify steps
1239
VERIFY_NPLUSONE_MEM = "nplusone_mem"
1240
VERIFY_OPTIONAL_CHECKS = frozenset([VERIFY_NPLUSONE_MEM])
1241

    
1242
# Cluster Verify error classes
1243
CV_TCLUSTER = "cluster"
1244
CV_TNODE = "node"
1245
CV_TINSTANCE = "instance"
1246

    
1247
# Cluster Verify error codes and documentation
1248
CV_ECLUSTERCFG = \
1249
  (CV_TCLUSTER, "ECLUSTERCFG", "Cluster configuration verification failure")
1250
CV_ECLUSTERCERT = \
1251
  (CV_TCLUSTER, "ECLUSTERCERT",
1252
   "Cluster certificate files verification failure")
1253
CV_ECLUSTERFILECHECK = \
1254
  (CV_TCLUSTER, "ECLUSTERFILECHECK",
1255
   "Cluster configuration verification failure")
1256
CV_ECLUSTERDANGLINGNODES = \
1257
  (CV_TNODE, "ECLUSTERDANGLINGNODES",
1258
   "Some nodes belong to non-existing groups")
1259
CV_ECLUSTERDANGLINGINST = \
1260
  (CV_TNODE, "ECLUSTERDANGLINGINST",
1261
   "Some instances have a non-existing primary node")
1262
CV_EINSTANCEBADNODE = \
1263
  (CV_TINSTANCE, "EINSTANCEBADNODE",
1264
   "Instance marked as running lives on an offline node")
1265
CV_EINSTANCEDOWN = \
1266
  (CV_TINSTANCE, "EINSTANCEDOWN", "Instance not running on its primary node")
1267
CV_EINSTANCELAYOUT = \
1268
  (CV_TINSTANCE, "EINSTANCELAYOUT", "Instance has multiple secondary nodes")
1269
CV_EINSTANCEMISSINGDISK = \
1270
  (CV_TINSTANCE, "EINSTANCEMISSINGDISK", "Missing volume on an instance")
1271
CV_EINSTANCEFAULTYDISK = \
1272
  (CV_TINSTANCE, "EINSTANCEFAULTYDISK",
1273
   "Impossible to retrieve status for a disk")
1274
CV_EINSTANCEWRONGNODE = \
1275
  (CV_TINSTANCE, "EINSTANCEWRONGNODE", "Instance running on the wrong node")
1276
CV_EINSTANCESPLITGROUPS = \
1277
  (CV_TINSTANCE, "EINSTANCESPLITGROUPS",
1278
   "Instance with primary and secondary nodes in different groups")
1279
CV_EINSTANCEPOLICY = \
1280
  (CV_TINSTANCE, "EINSTANCEPOLICY",
1281
   "Instance does not meet policy")
1282
CV_ENODEDRBD = \
1283
  (CV_TNODE, "ENODEDRBD", "Error parsing the DRBD status file")
1284
CV_ENODEDRBDHELPER = \
1285
  (CV_TNODE, "ENODEDRBDHELPER", "Error caused by the DRBD helper")
1286
CV_ENODEFILECHECK = \
1287
  (CV_TNODE, "ENODEFILECHECK",
1288
   "Error retrieving the checksum of the node files")
1289
CV_ENODEHOOKS = \
1290
  (CV_TNODE, "ENODEHOOKS", "Communication failure in hooks execution")
1291
CV_ENODEHV = \
1292
  (CV_TNODE, "ENODEHV", "Hypervisor parameters verification failure")
1293
CV_ENODELVM = \
1294
  (CV_TNODE, "ENODELVM", "LVM-related node error")
1295
CV_ENODEN1 = \
1296
  (CV_TNODE, "ENODEN1", "Not enough memory to accommodate instance failovers")
1297
CV_ENODENET = \
1298
  (CV_TNODE, "ENODENET", "Network-related node error")
1299
CV_ENODEOS = \
1300
  (CV_TNODE, "ENODEOS", "OS-related node error")
1301
CV_ENODEORPHANINSTANCE = \
1302
  (CV_TNODE, "ENODEORPHANINSTANCE", "Unknown intance running on a node")
1303
CV_ENODEORPHANLV = \
1304
  (CV_TNODE, "ENODEORPHANLV", "Unknown LVM logical volume")
1305
CV_ENODERPC = \
1306
  (CV_TNODE, "ENODERPC",
1307
   "Error during connection to the primary node of an instance")
1308
CV_ENODESSH = \
1309
  (CV_TNODE, "ENODESSH", "SSH-related node error")
1310
CV_ENODEVERSION = \
1311
  (CV_TNODE, "ENODEVERSION",
1312
   "Protocol version mismatch or Ganeti version mismatch")
1313
CV_ENODESETUP = \
1314
  (CV_TNODE, "ENODESETUP", "Node setup error")
1315
CV_ENODETIME = \
1316
  (CV_TNODE, "ENODETIME", "Node returned invalid time")
1317
CV_ENODEOOBPATH = \
1318
  (CV_TNODE, "ENODEOOBPATH", "Invalid Out Of Band path")
1319
CV_ENODEUSERSCRIPTS = \
1320
  (CV_TNODE, "ENODEUSERSCRIPTS", "User scripts not present or not executable")
1321

    
1322
CV_ALL_ECODES = frozenset([
1323
  CV_ECLUSTERCFG,
1324
  CV_ECLUSTERCERT,
1325
  CV_ECLUSTERFILECHECK,
1326
  CV_ECLUSTERDANGLINGNODES,
1327
  CV_ECLUSTERDANGLINGINST,
1328
  CV_EINSTANCEBADNODE,
1329
  CV_EINSTANCEDOWN,
1330
  CV_EINSTANCELAYOUT,
1331
  CV_EINSTANCEMISSINGDISK,
1332
  CV_EINSTANCEFAULTYDISK,
1333
  CV_EINSTANCEWRONGNODE,
1334
  CV_EINSTANCESPLITGROUPS,
1335
  CV_EINSTANCEPOLICY,
1336
  CV_ENODEDRBD,
1337
  CV_ENODEDRBDHELPER,
1338
  CV_ENODEFILECHECK,
1339
  CV_ENODEHOOKS,
1340
  CV_ENODEHV,
1341
  CV_ENODELVM,
1342
  CV_ENODEN1,
1343
  CV_ENODENET,
1344
  CV_ENODEOS,
1345
  CV_ENODEORPHANINSTANCE,
1346
  CV_ENODEORPHANLV,
1347
  CV_ENODERPC,
1348
  CV_ENODESSH,
1349
  CV_ENODEVERSION,
1350
  CV_ENODESETUP,
1351
  CV_ENODETIME,
1352
  CV_ENODEOOBPATH,
1353
  CV_ENODEUSERSCRIPTS,
1354
  ])
1355

    
1356
CV_ALL_ECODES_STRINGS = frozenset(estr for (_, estr, _) in CV_ALL_ECODES)
1357

    
1358
# Node verify constants
1359
NV_DRBDHELPER = "drbd-helper"
1360
NV_DRBDLIST = "drbd-list"
1361
NV_FILELIST = "filelist"
1362
NV_HVINFO = "hvinfo"
1363
NV_HYPERVISOR = "hypervisor"
1364
NV_HVPARAMS = "hvparms"
1365
NV_INSTANCELIST = "instancelist"
1366
NV_LVLIST = "lvlist"
1367
NV_MASTERIP = "master-ip"
1368
NV_NODELIST = "nodelist"
1369
NV_NODENETTEST = "node-net-test"
1370
NV_NODESETUP = "nodesetup"
1371
NV_OSLIST = "oslist"
1372
NV_PVLIST = "pvlist"
1373
NV_TIME = "time"
1374
NV_VERSION = "version"
1375
NV_VGLIST = "vglist"
1376
NV_VMNODES = "vmnodes"
1377
NV_OOB_PATHS = "oob-paths"
1378
NV_BRIDGES = "bridges"
1379
NV_USERSCRIPTS = "user-scripts"
1380

    
1381
# Instance status
1382
INSTST_RUNNING = "running"
1383
INSTST_ADMINDOWN = "ADMIN_down"
1384
INSTST_ADMINOFFLINE = "ADMIN_offline"
1385
INSTST_NODEOFFLINE = "ERROR_nodeoffline"
1386
INSTST_NODEDOWN = "ERROR_nodedown"
1387
INSTST_WRONGNODE = "ERROR_wrongnode"
1388
INSTST_ERRORUP = "ERROR_up"
1389
INSTST_ERRORDOWN = "ERROR_down"
1390
INSTST_ALL = frozenset([
1391
  INSTST_RUNNING,
1392
  INSTST_ADMINDOWN,
1393
  INSTST_ADMINOFFLINE,
1394
  INSTST_NODEOFFLINE,
1395
  INSTST_NODEDOWN,
1396
  INSTST_WRONGNODE,
1397
  INSTST_ERRORUP,
1398
  INSTST_ERRORDOWN,
1399
  ])
1400

    
1401
# Admin states
1402
ADMINST_UP = "up"
1403
ADMINST_DOWN = "down"
1404
ADMINST_OFFLINE = "offline"
1405
ADMINST_ALL = frozenset([
1406
  ADMINST_UP,
1407
  ADMINST_DOWN,
1408
  ADMINST_OFFLINE,
1409
  ])
1410

    
1411
# Node roles
1412
NR_REGULAR = "R"
1413
NR_MASTER = "M"
1414
NR_MCANDIDATE = "C"
1415
NR_DRAINED = "D"
1416
NR_OFFLINE = "O"
1417
NR_ALL = frozenset([
1418
  NR_REGULAR,
1419
  NR_MASTER,
1420
  NR_MCANDIDATE,
1421
  NR_DRAINED,
1422
  NR_OFFLINE,
1423
  ])
1424

    
1425
# SSL certificate check constants (in days)
1426
SSL_CERT_EXPIRATION_WARN = 30
1427
SSL_CERT_EXPIRATION_ERROR = 7
1428

    
1429
# Allocator framework constants
1430
IALLOCATOR_VERSION = 2
1431
IALLOCATOR_DIR_IN = "in"
1432
IALLOCATOR_DIR_OUT = "out"
1433
VALID_IALLOCATOR_DIRECTIONS = frozenset([
1434
  IALLOCATOR_DIR_IN,
1435
  IALLOCATOR_DIR_OUT,
1436
  ])
1437
IALLOCATOR_MODE_ALLOC = "allocate"
1438
IALLOCATOR_MODE_RELOC = "relocate"
1439
IALLOCATOR_MODE_CHG_GROUP = "change-group"
1440
IALLOCATOR_MODE_NODE_EVAC = "node-evacuate"
1441
VALID_IALLOCATOR_MODES = frozenset([
1442
  IALLOCATOR_MODE_ALLOC,
1443
  IALLOCATOR_MODE_RELOC,
1444
  IALLOCATOR_MODE_CHG_GROUP,
1445
  IALLOCATOR_MODE_NODE_EVAC,
1446
  ])
1447
IALLOCATOR_SEARCH_PATH = _autoconf.IALLOCATOR_SEARCH_PATH
1448

    
1449
IALLOCATOR_NEVAC_PRI = "primary-only"
1450
IALLOCATOR_NEVAC_SEC = "secondary-only"
1451
IALLOCATOR_NEVAC_ALL = "all"
1452
IALLOCATOR_NEVAC_MODES = frozenset([
1453
  IALLOCATOR_NEVAC_PRI,
1454
  IALLOCATOR_NEVAC_SEC,
1455
  IALLOCATOR_NEVAC_ALL,
1456
  ])
1457

    
1458
# Node evacuation
1459
NODE_EVAC_PRI = "primary-only"
1460
NODE_EVAC_SEC = "secondary-only"
1461
NODE_EVAC_ALL = "all"
1462
NODE_EVAC_MODES = frozenset([
1463
  NODE_EVAC_PRI,
1464
  NODE_EVAC_SEC,
1465
  NODE_EVAC_ALL,
1466
  ])
1467

    
1468
# Job queue
1469
JOB_QUEUE_VERSION = 1
1470
JOB_QUEUE_LOCK_FILE = QUEUE_DIR + "/lock"
1471
JOB_QUEUE_VERSION_FILE = QUEUE_DIR + "/version"
1472
JOB_QUEUE_SERIAL_FILE = QUEUE_DIR + "/serial"
1473
JOB_QUEUE_ARCHIVE_DIR = QUEUE_DIR + "/archive"
1474
JOB_QUEUE_DRAIN_FILE = QUEUE_DIR + "/drain"
1475
JOB_QUEUE_SIZE_HARD_LIMIT = 5000
1476
JOB_QUEUE_DIRS = [QUEUE_DIR, JOB_QUEUE_ARCHIVE_DIR]
1477
JOB_QUEUE_DIRS_MODE = SECURE_DIR_MODE
1478

    
1479
JOB_ID_TEMPLATE = r"\d+"
1480
JOB_FILE_RE = re.compile(r"^job-(%s)$" % JOB_ID_TEMPLATE)
1481

    
1482
# unchanged job return
1483
JOB_NOTCHANGED = "nochange"
1484

    
1485
# Job status
1486
JOB_STATUS_QUEUED = "queued"
1487
JOB_STATUS_WAITING = "waiting"
1488
JOB_STATUS_CANCELING = "canceling"
1489
JOB_STATUS_RUNNING = "running"
1490
JOB_STATUS_CANCELED = "canceled"
1491
JOB_STATUS_SUCCESS = "success"
1492
JOB_STATUS_ERROR = "error"
1493
JOBS_FINALIZED = frozenset([
1494
  JOB_STATUS_CANCELED,
1495
  JOB_STATUS_SUCCESS,
1496
  JOB_STATUS_ERROR,
1497
  ])
1498
JOB_STATUS_ALL = frozenset([
1499
  JOB_STATUS_QUEUED,
1500
  JOB_STATUS_WAITING,
1501
  JOB_STATUS_CANCELING,
1502
  JOB_STATUS_RUNNING,
1503
  ]) | JOBS_FINALIZED
1504

    
1505
# OpCode status
1506
# not yet finalized
1507
OP_STATUS_QUEUED = "queued"
1508
OP_STATUS_WAITING = "waiting"
1509
OP_STATUS_CANCELING = "canceling"
1510
OP_STATUS_RUNNING = "running"
1511
# finalized
1512
OP_STATUS_CANCELED = "canceled"
1513
OP_STATUS_SUCCESS = "success"
1514
OP_STATUS_ERROR = "error"
1515
OPS_FINALIZED = frozenset([
1516
  OP_STATUS_CANCELED,
1517
  OP_STATUS_SUCCESS,
1518
  OP_STATUS_ERROR
1519
  ])
1520

    
1521
# OpCode priority
1522
OP_PRIO_LOWEST = +19
1523
OP_PRIO_HIGHEST = -20
1524

    
1525
OP_PRIO_LOW = +10
1526
OP_PRIO_NORMAL = 0
1527
OP_PRIO_HIGH = -10
1528

    
1529
OP_PRIO_SUBMIT_VALID = frozenset([
1530
  OP_PRIO_LOW,
1531
  OP_PRIO_NORMAL,
1532
  OP_PRIO_HIGH,
1533
  ])
1534

    
1535
OP_PRIO_DEFAULT = OP_PRIO_NORMAL
1536

    
1537
# Execution log types
1538
ELOG_MESSAGE = "message"
1539
ELOG_PROGRESS = "progress"
1540
ELOG_REMOTE_IMPORT = "remote-import"
1541
ELOG_JQUEUE_TEST = "jqueue-test"
1542

    
1543
# /etc/hosts modification
1544
ETC_HOSTS_ADD = "add"
1545
ETC_HOSTS_REMOVE = "remove"
1546

    
1547
# Job queue test
1548
JQT_MSGPREFIX = "TESTMSG="
1549
JQT_EXPANDNAMES = "expandnames"
1550
JQT_EXEC = "exec"
1551
JQT_LOGMSG = "logmsg"
1552
JQT_STARTMSG = "startmsg"
1553
JQT_ALL = frozenset([
1554
  JQT_EXPANDNAMES,
1555
  JQT_EXEC,
1556
  JQT_LOGMSG,
1557
  JQT_STARTMSG,
1558
  ])
1559

    
1560
# Query resources
1561
QR_INSTANCE = "instance"
1562
QR_NODE = "node"
1563
QR_LOCK = "lock"
1564
QR_GROUP = "group"
1565
QR_OS = "os"
1566

    
1567
#: List of resources which can be queried using L{opcodes.OpQuery}
1568
QR_VIA_OP = frozenset([QR_INSTANCE, QR_NODE, QR_GROUP, QR_OS])
1569

    
1570
#: List of resources which can be queried using Local UniX Interface
1571
QR_VIA_LUXI = QR_VIA_OP.union([
1572
  QR_LOCK,
1573
  ])
1574

    
1575
#: List of resources which can be queried using RAPI
1576
QR_VIA_RAPI = QR_VIA_LUXI
1577

    
1578
# Query field types
1579
QFT_UNKNOWN = "unknown"
1580
QFT_TEXT = "text"
1581
QFT_BOOL = "bool"
1582
QFT_NUMBER = "number"
1583
QFT_UNIT = "unit"
1584
QFT_TIMESTAMP = "timestamp"
1585
QFT_OTHER = "other"
1586

    
1587
#: All query field types
1588
QFT_ALL = frozenset([
1589
  QFT_UNKNOWN,
1590
  QFT_TEXT,
1591
  QFT_BOOL,
1592
  QFT_NUMBER,
1593
  QFT_UNIT,
1594
  QFT_TIMESTAMP,
1595
  QFT_OTHER,
1596
  ])
1597

    
1598
# Query result field status (don't change or reuse values as they're used by
1599
# clients)
1600
#: Normal field status
1601
RS_NORMAL = 0
1602
#: Unknown field
1603
RS_UNKNOWN = 1
1604
#: No data (e.g. RPC error), can be used instead of L{RS_OFFLINE}
1605
RS_NODATA = 2
1606
#: Value unavailable/unsupported for item; if this field is supported
1607
#: but we cannot get the data for the moment, RS_NODATA or
1608
#: RS_OFFLINE should be used
1609
RS_UNAVAIL = 3
1610
#: Resource marked offline
1611
RS_OFFLINE = 4
1612

    
1613
RS_ALL = frozenset([
1614
  RS_NORMAL,
1615
  RS_UNKNOWN,
1616
  RS_NODATA,
1617
  RS_UNAVAIL,
1618
  RS_OFFLINE,
1619
  ])
1620

    
1621
#: Dictionary with special field cases and their verbose/terse formatting
1622
RSS_DESCRIPTION = {
1623
  RS_UNKNOWN: ("(unknown)", "??"),
1624
  RS_NODATA: ("(nodata)", "?"),
1625
  RS_OFFLINE: ("(offline)", "*"),
1626
  RS_UNAVAIL: ("(unavail)", "-"),
1627
  }
1628

    
1629
# max dynamic devices
1630
MAX_NICS = 8
1631
MAX_DISKS = 16
1632

    
1633
# SSCONF keys
1634
SS_CLUSTER_NAME = "cluster_name"
1635
SS_CLUSTER_TAGS = "cluster_tags"
1636
SS_FILE_STORAGE_DIR = "file_storage_dir"
1637
SS_SHARED_FILE_STORAGE_DIR = "shared_file_storage_dir"
1638
SS_MASTER_CANDIDATES = "master_candidates"
1639
SS_MASTER_CANDIDATES_IPS = "master_candidates_ips"
1640
SS_MASTER_IP = "master_ip"
1641
SS_MASTER_NETDEV = "master_netdev"
1642
SS_MASTER_NETMASK = "master_netmask"
1643
SS_MASTER_NODE = "master_node"
1644
SS_NODE_LIST = "node_list"
1645
SS_NODE_PRIMARY_IPS = "node_primary_ips"
1646
SS_NODE_SECONDARY_IPS = "node_secondary_ips"
1647
SS_OFFLINE_NODES = "offline_nodes"
1648
SS_ONLINE_NODES = "online_nodes"
1649
SS_PRIMARY_IP_FAMILY = "primary_ip_family"
1650
SS_INSTANCE_LIST = "instance_list"
1651
SS_RELEASE_VERSION = "release_version"
1652
SS_HYPERVISOR_LIST = "hypervisor_list"
1653
SS_MAINTAIN_NODE_HEALTH = "maintain_node_health"
1654
SS_UID_POOL = "uid_pool"
1655
SS_NODEGROUPS = "nodegroups"
1656

    
1657
SS_FILE_PERMS = 0444
1658

    
1659
# cluster wide default parameters
1660
DEFAULT_ENABLED_HYPERVISOR = HT_XEN_PVM
1661

    
1662
HVC_DEFAULTS = {
1663
  HT_XEN_PVM: {
1664
    HV_USE_BOOTLOADER: False,
1665
    HV_BOOTLOADER_PATH: XEN_BOOTLOADER,
1666
    HV_BOOTLOADER_ARGS: "",
1667
    HV_KERNEL_PATH: "/boot/vmlinuz-2.6-xenU",
1668
    HV_INITRD_PATH: "",
1669
    HV_ROOT_PATH: "/dev/sda1",
1670
    HV_KERNEL_ARGS: "ro",
1671
    HV_MIGRATION_PORT: 8002,
1672
    HV_MIGRATION_MODE: HT_MIGRATION_LIVE,
1673
    HV_BLOCKDEV_PREFIX: "sd",
1674
    HV_REBOOT_BEHAVIOR: INSTANCE_REBOOT_ALLOWED,
1675
    HV_CPU_MASK: CPU_PINNING_ALL,
1676
    },
1677
  HT_XEN_HVM: {
1678
    HV_BOOT_ORDER: "cd",
1679
    HV_CDROM_IMAGE_PATH: "",
1680
    HV_NIC_TYPE: HT_NIC_RTL8139,
1681
    HV_DISK_TYPE: HT_DISK_PARAVIRTUAL,
1682
    HV_VNC_BIND_ADDRESS: IP4_ADDRESS_ANY,
1683
    HV_VNC_PASSWORD_FILE: VNC_PASSWORD_FILE,
1684
    HV_ACPI: True,
1685
    HV_PAE: True,
1686
    HV_KERNEL_PATH: "/usr/lib/xen/boot/hvmloader",
1687
    HV_DEVICE_MODEL: "/usr/lib/xen/bin/qemu-dm",
1688
    HV_MIGRATION_PORT: 8002,
1689
    HV_MIGRATION_MODE: HT_MIGRATION_NONLIVE,
1690
    HV_USE_LOCALTIME: False,
1691
    HV_BLOCKDEV_PREFIX: "hd",
1692
    HV_REBOOT_BEHAVIOR: INSTANCE_REBOOT_ALLOWED,
1693
    HV_CPU_MASK: CPU_PINNING_ALL,
1694
    },
1695
  HT_KVM: {
1696
    HV_KERNEL_PATH: "/boot/vmlinuz-2.6-kvmU",
1697
    HV_INITRD_PATH: "",
1698
    HV_KERNEL_ARGS: "ro",
1699
    HV_ROOT_PATH: "/dev/vda1",
1700
    HV_ACPI: True,
1701
    HV_SERIAL_CONSOLE: True,
1702
    HV_VNC_BIND_ADDRESS: "",
1703
    HV_VNC_TLS: False,
1704
    HV_VNC_X509: "",
1705
    HV_VNC_X509_VERIFY: False,
1706
    HV_VNC_PASSWORD_FILE: "",
1707
    HV_KVM_SPICE_BIND: "",
1708
    HV_KVM_SPICE_IP_VERSION: IFACE_NO_IP_VERSION_SPECIFIED,
1709
    HV_KVM_SPICE_PASSWORD_FILE: "",
1710
    HV_KVM_SPICE_LOSSLESS_IMG_COMPR: "",
1711
    HV_KVM_SPICE_JPEG_IMG_COMPR: "",
1712
    HV_KVM_SPICE_ZLIB_GLZ_IMG_COMPR: "",
1713
    HV_KVM_SPICE_STREAMING_VIDEO_DETECTION: "",
1714
    HV_KVM_SPICE_AUDIO_COMPR: True,
1715
    HV_KVM_SPICE_USE_TLS: False,
1716
    HV_KVM_SPICE_TLS_CIPHERS: OPENSSL_CIPHERS,
1717
    HV_KVM_SPICE_USE_VDAGENT: True,
1718
    HV_KVM_FLOPPY_IMAGE_PATH: "",
1719
    HV_CDROM_IMAGE_PATH: "",
1720
    HV_KVM_CDROM2_IMAGE_PATH: "",
1721
    HV_BOOT_ORDER: HT_BO_DISK,
1722
    HV_NIC_TYPE: HT_NIC_PARAVIRTUAL,
1723
    HV_DISK_TYPE: HT_DISK_PARAVIRTUAL,
1724
    HV_KVM_CDROM_DISK_TYPE: "",
1725
    HV_USB_MOUSE: "",
1726
    HV_KEYMAP: "",
1727
    HV_MIGRATION_PORT: 8102,
1728
    HV_MIGRATION_BANDWIDTH: 32, # MiB/s
1729
    HV_MIGRATION_DOWNTIME: 30,  # ms
1730
    HV_MIGRATION_MODE: HT_MIGRATION_LIVE,
1731
    HV_USE_LOCALTIME: False,
1732
    HV_DISK_CACHE: HT_CACHE_DEFAULT,
1733
    HV_SECURITY_MODEL: HT_SM_NONE,
1734
    HV_SECURITY_DOMAIN: "",
1735
    HV_KVM_FLAG: "",
1736
    HV_VHOST_NET: False,
1737
    HV_KVM_USE_CHROOT: False,
1738
    HV_MEM_PATH: "",
1739
    HV_REBOOT_BEHAVIOR: INSTANCE_REBOOT_ALLOWED,
1740
    HV_CPU_MASK: CPU_PINNING_ALL,
1741
    },
1742
  HT_FAKE: {
1743
    },
1744
  HT_CHROOT: {
1745
    HV_INIT_SCRIPT: "/ganeti-chroot",
1746
    },
1747
  HT_LXC: {
1748
    HV_CPU_MASK: "",
1749
    },
1750
  }
1751

    
1752
HVC_GLOBALS = frozenset([
1753
  HV_MIGRATION_PORT,
1754
  HV_MIGRATION_BANDWIDTH,
1755
  HV_MIGRATION_MODE,
1756
  ])
1757

    
1758
BEC_DEFAULTS = {
1759
  BE_MINMEM: 128,
1760
  BE_MAXMEM: 128,
1761
  BE_VCPUS: 1,
1762
  BE_AUTO_BALANCE: True,
1763
  BE_ALWAYS_FAILOVER: False,
1764
  }
1765

    
1766
NDC_DEFAULTS = {
1767
  ND_OOB_PROGRAM: None,
1768
  }
1769

    
1770
DISK_LD_DEFAULTS = {
1771
  LD_DRBD8: {
1772
    LDP_RESYNC_RATE: CLASSIC_DRBD_SYNC_SPEED,
1773
    LDP_BARRIERS: _autoconf.DRBD_BARRIERS,
1774
    LDP_NO_META_FLUSH: _autoconf.DRBD_NO_META_FLUSH,
1775
    LDP_DEFAULT_METAVG: DEFAULT_VG,
1776
    LDP_DISK_CUSTOM: "",
1777
    LDP_NET_CUSTOM: "",
1778
    },
1779
  LD_LV: {
1780
    LDP_STRIPES: _autoconf.LVM_STRIPECOUNT
1781
    },
1782
  LD_FILE: {
1783
    },
1784
  LD_BLOCKDEV: {
1785
    },
1786
  }
1787

    
1788
DISK_DT_DEFAULTS = {
1789
  DT_PLAIN: {
1790
    LV_STRIPES: DISK_LD_DEFAULTS[LD_LV][LDP_STRIPES],
1791
    },
1792
  DT_DRBD8: {
1793
    DRBD_RESYNC_RATE: DISK_LD_DEFAULTS[LD_DRBD8][LDP_RESYNC_RATE],
1794
    DRBD_DATA_STRIPES: DISK_LD_DEFAULTS[LD_LV][LDP_STRIPES],
1795
    DRBD_META_STRIPES: DISK_LD_DEFAULTS[LD_LV][LDP_STRIPES],
1796
    DRBD_DISK_BARRIERS: DISK_LD_DEFAULTS[LD_DRBD8][LDP_BARRIERS],
1797
    DRBD_META_BARRIERS: DISK_LD_DEFAULTS[LD_DRBD8][LDP_NO_META_FLUSH],
1798
    DRBD_DEFAULT_METAVG: DISK_LD_DEFAULTS[LD_DRBD8][LDP_DEFAULT_METAVG],
1799
    DRBD_DISK_CUSTOM: DISK_LD_DEFAULTS[LD_DRBD8][LDP_DISK_CUSTOM],
1800
    DRBD_NET_CUSTOM: DISK_LD_DEFAULTS[LD_DRBD8][LDP_NET_CUSTOM],
1801
    },
1802
  DT_DISKLESS: {
1803
    },
1804
  DT_FILE: {
1805
    },
1806
  DT_SHARED_FILE: {
1807
    },
1808
  DT_BLOCK: {
1809
    },
1810
  }
1811

    
1812
NICC_DEFAULTS = {
1813
  NIC_MODE: NIC_MODE_BRIDGED,
1814
  NIC_LINK: DEFAULT_BRIDGE,
1815
  }
1816

    
1817
IPOLICY_DEFAULTS = {
1818
  ISPECS_MIN: {
1819
    ISPEC_MEM_SIZE: 128,
1820
    ISPEC_CPU_COUNT: 1,
1821
    ISPEC_DISK_COUNT: 1,
1822
    ISPEC_DISK_SIZE: 1024,
1823
    ISPEC_NIC_COUNT: 1,
1824
    },
1825
  ISPECS_MAX: {
1826
    ISPEC_MEM_SIZE: 128,
1827
    ISPEC_CPU_COUNT: 1,
1828
    ISPEC_DISK_COUNT: 1,
1829
    ISPEC_DISK_SIZE: 1024,
1830
    ISPEC_NIC_COUNT: 1,
1831
    },
1832
  ISPECS_STD: {
1833
    ISPEC_MEM_SIZE: 128,
1834
    ISPEC_CPU_COUNT: 1,
1835
    ISPEC_DISK_COUNT: 1,
1836
    ISPEC_DISK_SIZE: 1024,
1837
    ISPEC_NIC_COUNT: 1,
1838
    }
1839
  }
1840

    
1841
MASTER_POOL_SIZE_DEFAULT = 10
1842

    
1843
CONFD_PROTOCOL_VERSION = 1
1844

    
1845
CONFD_REQ_PING = 0
1846
CONFD_REQ_NODE_ROLE_BYNAME = 1
1847
CONFD_REQ_NODE_PIP_BY_INSTANCE_IP = 2
1848
CONFD_REQ_CLUSTER_MASTER = 3
1849
CONFD_REQ_NODE_PIP_LIST = 4
1850
CONFD_REQ_MC_PIP_LIST = 5
1851
CONFD_REQ_INSTANCES_IPS_LIST = 6
1852

    
1853
# Confd request query fields. These are used to narrow down queries.
1854
# These must be strings rather than integers, because json-encoding
1855
# converts them to strings anyway, as they're used as dict-keys.
1856
CONFD_REQQ_LINK = "0"
1857
CONFD_REQQ_IP = "1"
1858
CONFD_REQQ_IPLIST = "2"
1859
CONFD_REQQ_FIELDS = "3"
1860

    
1861
CONFD_REQFIELD_NAME = "0"
1862
CONFD_REQFIELD_IP = "1"
1863
CONFD_REQFIELD_MNODE_PIP = "2"
1864

    
1865
CONFD_REQS = frozenset([
1866
  CONFD_REQ_PING,
1867
  CONFD_REQ_NODE_ROLE_BYNAME,
1868
  CONFD_REQ_NODE_PIP_BY_INSTANCE_IP,
1869
  CONFD_REQ_CLUSTER_MASTER,
1870
  CONFD_REQ_NODE_PIP_LIST,
1871
  CONFD_REQ_MC_PIP_LIST,
1872
  CONFD_REQ_INSTANCES_IPS_LIST,
1873
  ])
1874

    
1875
CONFD_REPL_STATUS_OK = 0
1876
CONFD_REPL_STATUS_ERROR = 1
1877
CONFD_REPL_STATUS_NOTIMPLEMENTED = 2
1878

    
1879
CONFD_REPL_STATUSES = frozenset([
1880
  CONFD_REPL_STATUS_OK,
1881
  CONFD_REPL_STATUS_ERROR,
1882
  CONFD_REPL_STATUS_NOTIMPLEMENTED,
1883
  ])
1884

    
1885
(CONFD_NODE_ROLE_MASTER,
1886
 CONFD_NODE_ROLE_CANDIDATE,
1887
 CONFD_NODE_ROLE_OFFLINE,
1888
 CONFD_NODE_ROLE_DRAINED,
1889
 CONFD_NODE_ROLE_REGULAR,
1890
 ) = range(5)
1891

    
1892
# A few common errors for confd
1893
CONFD_ERROR_UNKNOWN_ENTRY = 1
1894
CONFD_ERROR_INTERNAL = 2
1895
CONFD_ERROR_ARGUMENT = 3
1896

    
1897
# Each request is "salted" by the current timestamp.
1898
# This constants decides how many seconds of skew to accept.
1899
# TODO: make this a default and allow the value to be more configurable
1900
CONFD_MAX_CLOCK_SKEW = 2 * NODE_MAX_CLOCK_SKEW
1901

    
1902
# When we haven't reloaded the config for more than this amount of seconds, we
1903
# force a test to see if inotify is betraying us.
1904
CONFD_CONFIG_RELOAD_TIMEOUT = 60
1905

    
1906
# If we receive more than one update in this amount of seconds, we move to
1907
# polling every RATELIMIT seconds, rather than relying on inotify, to be able
1908
# to serve more requests.
1909
CONFD_CONFIG_RELOAD_RATELIMIT = 2
1910

    
1911
# Magic number prepended to all confd queries.
1912
# This allows us to distinguish different types of confd protocols and handle
1913
# them. For example by changing this we can move the whole payload to be
1914
# compressed, or move away from json.
1915
CONFD_MAGIC_FOURCC = "plj0"
1916

    
1917
# By default a confd request is sent to the minimum between this number and all
1918
# MCs. 6 was chosen because even in the case of a disastrous 50% response rate,
1919
# we should have enough answers to be able to compare more than one.
1920
CONFD_DEFAULT_REQ_COVERAGE = 6
1921

    
1922
# Timeout in seconds to expire pending query request in the confd client
1923
# library. We don't actually expect any answer more than 10 seconds after we
1924
# sent a request.
1925
CONFD_CLIENT_EXPIRE_TIMEOUT = 10
1926

    
1927
# Maximum UDP datagram size.
1928
# On IPv4: 64K - 20 (ip header size) - 8 (udp header size) = 65507
1929
# On IPv6: 64K - 40 (ip6 header size) - 8 (udp header size) = 65487
1930
#   (assuming we can't use jumbo frames)
1931
# We just set this to 60K, which should be enough
1932
MAX_UDP_DATA_SIZE = 61440
1933

    
1934
# User-id pool minimum/maximum acceptable user-ids.
1935
UIDPOOL_UID_MIN = 0
1936
UIDPOOL_UID_MAX = 2 ** 32 - 1 # Assuming 32 bit user-ids
1937

    
1938
# Name or path of the pgrep command
1939
PGREP = "pgrep"
1940

    
1941
# Name of the node group that gets created at cluster init or upgrade
1942
INITIAL_NODE_GROUP_NAME = "default"
1943

    
1944
# Possible values for NodeGroup.alloc_policy
1945
ALLOC_POLICY_PREFERRED = "preferred"
1946
ALLOC_POLICY_LAST_RESORT = "last_resort"
1947
ALLOC_POLICY_UNALLOCABLE = "unallocable"
1948
VALID_ALLOC_POLICIES = [
1949
  ALLOC_POLICY_PREFERRED,
1950
  ALLOC_POLICY_LAST_RESORT,
1951
  ALLOC_POLICY_UNALLOCABLE,
1952
  ]
1953

    
1954
# Temporary external/shared storage parameters
1955
BLOCKDEV_DRIVER_MANUAL = "manual"
1956

    
1957
# qemu-img path, required for ovfconverter
1958
QEMUIMG_PATH = _autoconf.QEMUIMG_PATH
1959

    
1960
# Whether htools was enabled at compilation time
1961
HTOOLS = _autoconf.HTOOLS
1962
# The hail iallocator
1963
IALLOC_HAIL = "hail"
1964

    
1965
# Fake opcodes for functions that have hooks attached to them via
1966
# backend.RunLocalHooks
1967
FAKE_OP_MASTER_TURNUP = "OP_CLUSTER_IP_TURNUP"
1968
FAKE_OP_MASTER_TURNDOWN = "OP_CLUSTER_IP_TURNDOWN"
1969

    
1970
# Do not re-export imported modules
1971
del re, _vcsversion, _autoconf