#
#
-# Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011 Google Inc.
+# Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011, 2012 Google Inc.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
"""Module holding different constants."""
import re
+import socket
from ganeti import _autoconf
from ganeti import _vcsversion
# A KVM-specific implementation detail - the following value is used
# to set CPU affinity to all processors (#0 through #31), per taskset
# man page.
+# FIXME: This only works for machines with up to 32 CPU cores
CPU_PINNING_ALL_KVM = 0xFFFFFFFF
# Wipe
SOCKET_DIR = RUN_GANETI_DIR + "/socket"
SECURE_DIR_MODE = 0700
SECURE_FILE_MODE = 0600
-SOCKET_DIR_MODE = 0750
CRYPTO_KEYS_DIR = RUN_GANETI_DIR + "/crypto"
-CRYPTO_KEYS_DIR_MODE = SECURE_DIR_MODE
IMPORT_EXPORT_DIR = RUN_GANETI_DIR + "/import-export"
-IMPORT_EXPORT_DIR_MODE = 0755
ADOPTABLE_BLOCKDEV_ROOT = "/dev/disk/"
-# keep RUN_GANETI_DIR first here, to make sure all get created when the node
-# daemon is started (this takes care of RUN_DIR being tmpfs)
-SUB_RUN_DIRS = [
- RUN_GANETI_DIR,
- BDEV_CACHE_DIR,
- DISK_LINKS_DIR,
- ]
LOCK_DIR = _autoconf.LOCALSTATEDIR + "/lock"
SSCONF_LOCK_FILE = LOCK_DIR + "/ganeti-ssconf.lock"
# User-id pool lock directory
SYSCONFDIR = _autoconf.SYSCONFDIR
TOOLSDIR = _autoconf.TOOLSDIR
CONF_DIR = SYSCONFDIR + "/ganeti"
+USER_SCRIPTS_DIR = CONF_DIR + "/scripts"
+ENABLE_CONFD = _autoconf.ENABLE_CONFD
#: Lock file for watcher, locked in shared mode by watcher; lock in exclusive
# mode to block watcher (see L{cli._RunWhileClusterStoppedHelper.Call}
#: File containing Unix timestamp until which watcher should be paused
WATCHER_PAUSEFILE = DATA_DIR + "/watcher.pause"
+# Master IP address setup scripts paths (default and user-provided)
+DEFAULT_MASTER_SETUP_SCRIPT = TOOLSDIR + "/master-ip-setup"
+EXTERNAL_MASTER_SETUP_SCRIPT = USER_SCRIPTS_DIR + "/master-ip-setup"
+
ALL_CERT_FILES = frozenset([
NODED_CERT_FILE,
RAPI_CERT_FILE,
FIRST_DRBD_PORT = 11000
LAST_DRBD_PORT = 14999
-MASTER_SCRIPT = "ganeti-master"
LOG_DIR = _autoconf.LOCALSTATEDIR + "/log/ganeti/"
DAEMONS_LOGFILES = {
XEN_BOOTLOADER = _autoconf.XEN_BOOTLOADER
XEN_KERNEL = _autoconf.XEN_KERNEL
XEN_INITRD = _autoconf.XEN_INITRD
+XEN_CMD_XM = "xm"
+XEN_CMD_XL = "xl"
+# FIXME: This will be made configurable using hvparams in Ganeti 2.7
+XEN_CMD = _autoconf.XEN_CMD
KVM_PATH = _autoconf.KVM_PATH
+KVM_KERNEL = _autoconf.KVM_KERNEL
SOCAT_PATH = _autoconf.SOCAT_PATH
SOCAT_USE_ESCAPE = _autoconf.SOCAT_USE_ESCAPE
SOCAT_USE_COMPRESS = _autoconf.SOCAT_USE_COMPRESS
HOOKS_NAME_CFGUPDATE = "config-update"
HOOKS_NAME_WATCHER = "watcher"
HOOKS_VERSION = 2
+HOOKS_PATH = "/sbin:/bin:/usr/sbin:/usr/bin"
# hooks subject type (what object type does the LU deal with)
HTYPE_CLUSTER = "CLUSTER"
DT_FILE = "file"
DT_SHARED_FILE = "sharedfile"
DT_BLOCK = "blockdev"
+DT_RBD = "rbd"
# the set of network-mirrored disk templates
DTS_INT_MIRROR = frozenset([DT_DRBD8])
# the set of externally-mirrored disk templates (e.g. SAN, NAS)
-DTS_EXT_MIRROR = frozenset([DT_SHARED_FILE, DT_BLOCK])
+DTS_EXT_MIRROR = frozenset([DT_SHARED_FILE, DT_BLOCK, DT_RBD])
# the set of non-lvm-based disk templates
-DTS_NOT_LVM = frozenset([DT_DISKLESS, DT_FILE, DT_SHARED_FILE, DT_BLOCK])
+DTS_NOT_LVM = frozenset([DT_DISKLESS, DT_FILE, DT_SHARED_FILE,
+ DT_BLOCK, DT_RBD])
# the set of disk templates which can be grown
-DTS_GROWABLE = frozenset([DT_PLAIN, DT_DRBD8, DT_FILE, DT_SHARED_FILE])
+DTS_GROWABLE = frozenset([DT_PLAIN, DT_DRBD8, DT_FILE, DT_SHARED_FILE, DT_RBD])
# the set of disk templates that allow adoption
DTS_MAY_ADOPT = frozenset([DT_PLAIN, DT_BLOCK])
LD_DRBD8 = "drbd8"
LD_FILE = "file"
LD_BLOCKDEV = "blockdev"
-LDS_BLOCK = frozenset([LD_LV, LD_DRBD8, LD_BLOCKDEV])
+LD_RBD = "rbd"
+LOGICAL_DISK_TYPES = frozenset([
+ LD_LV,
+ LD_DRBD8,
+ LD_FILE,
+ LD_BLOCKDEV,
+ LD_RBD,
+ ])
+
+LDS_BLOCK = frozenset([LD_LV, LD_DRBD8, LD_BLOCKDEV, LD_RBD])
# drbd constants
DRBD_HMAC_ALG = "md5"
DRBD_NET_PROTOCOL = "C"
-DRBD_BARRIERS = _autoconf.DRBD_BARRIERS
+
+# drbd barrier types
+DRBD_B_NONE = "n"
+DRBD_B_DISK_BARRIERS = "b"
+DRBD_B_DISK_DRAIN = "d"
+DRBD_B_DISK_FLUSH = "f"
+
+# Valid barrier combinations: "n" or any non-null subset of "bfd"
+DRBD_VALID_BARRIER_OPT = frozenset([
+ frozenset([DRBD_B_NONE]),
+ frozenset([DRBD_B_DISK_BARRIERS]),
+ frozenset([DRBD_B_DISK_DRAIN]),
+ frozenset([DRBD_B_DISK_FLUSH]),
+ frozenset([DRBD_B_DISK_DRAIN, DRBD_B_DISK_FLUSH]),
+ frozenset([DRBD_B_DISK_DRAIN, DRBD_B_DISK_FLUSH]),
+ frozenset([DRBD_B_DISK_BARRIERS, DRBD_B_DISK_DRAIN]),
+ frozenset([DRBD_B_DISK_BARRIERS, DRBD_B_DISK_FLUSH]),
+ frozenset([DRBD_B_DISK_BARRIERS, DRBD_B_DISK_FLUSH, DRBD_B_DISK_DRAIN]),
+ ])
+
+# rbd tool command
+RBD_CMD = "rbd"
# file backend driver
FD_LOOP = "loop"
EXPORT_MODE_REMOTE,
])
-# Lock recalculate mode
-LOCKS_REPLACE = "replace"
-LOCKS_APPEND = "append"
-
-# Lock timeout (sum) before we should go into blocking acquire (still
-# can be reset by priority change); computed as max time (10 hours)
-# before we should actually go into blocking acquire given that we
-# start from default priority level; in seconds
-LOCK_ATTEMPTS_TIMEOUT = 10 * 3600 / 20.0
-LOCK_ATTEMPTS_MAXWAIT = 15.0
-LOCK_ATTEMPTS_MINWAIT = 1.0
-
# instance creation modes
INSTANCE_CREATE = "create"
INSTANCE_IMPORT = "import"
DT_DRBD8,
DT_FILE,
DT_SHARED_FILE,
- DT_BLOCK
+ DT_BLOCK,
+ DT_RBD
])
FILE_DRIVER = frozenset([FD_LOOP, FD_BLKTAP])
# dynamic device modification
DDM_ADD = "add"
+DDM_MODIFY = "modify"
DDM_REMOVE = "remove"
DDMS_VALUES = frozenset([DDM_ADD, DDM_REMOVE])
+DDMS_VALUES_WITH_MODIFY = (DDMS_VALUES | frozenset([
+ DDM_MODIFY,
+ ]))
+# TODO: DDM_SWAP, DDM_MOVE?
# common exit codes
EXIT_SUCCESS = 0
# others
DEFAULT_BRIDGE = "xen-br0"
-SYNC_SPEED = 60 * 1024
+CLASSIC_DRBD_SYNC_SPEED = 60 * 1024 # 60 MiB, expressed in KiB
IP4_ADDRESS_LOCALHOST = "127.0.0.1"
IP4_ADDRESS_ANY = "0.0.0.0"
IP6_ADDRESS_LOCALHOST = "::1"
IP4_VERSION = 4
IP6_VERSION = 6
VALID_IP_VERSIONS = frozenset([IP4_VERSION, IP6_VERSION])
+# for export to htools
+IP4_FAMILY = socket.AF_INET
+IP6_FAMILY = socket.AF_INET6
+
TCP_PING_TIMEOUT = 10
GANETI_RUNAS = "root"
DEFAULT_VG = "xenvg"
DEFAULT_DRBD_HELPER = "/bin/true"
MIN_VG_SIZE = 20480
DEFAULT_MAC_PREFIX = "aa:00:00"
-LVM_STRIPECOUNT = _autoconf.LVM_STRIPECOUNT
# default maximum instance wait time, in seconds.
DEFAULT_SHUTDOWN_TIMEOUT = 120
NODE_MAX_CLOCK_SKEW = 150
# Node info keys
HV_NODEINFO_KEY_VERSION = "hv_version"
+# Hypervisor state
+HVST_MEMORY_TOTAL = "mem_total"
+HVST_MEMORY_NODE = "mem_node"
+HVST_MEMORY_HV = "mem_hv"
+HVST_CPU_TOTAL = "cpu_total"
+HVST_CPU_NODE = "cpu_node"
+
+HVST_DEFAULTS = {
+ HVST_MEMORY_TOTAL: 0,
+ HVST_MEMORY_NODE: 0,
+ HVST_MEMORY_HV: 0,
+ HVST_CPU_TOTAL: 1,
+ HVST_CPU_NODE: 1,
+ }
+
+HVSTS_PARAMETER_TYPES = {
+ HVST_MEMORY_TOTAL: VTYPE_INT,
+ HVST_MEMORY_NODE: VTYPE_INT,
+ HVST_MEMORY_HV: VTYPE_INT,
+ HVST_CPU_TOTAL: VTYPE_INT,
+ HVST_CPU_NODE: VTYPE_INT,
+ }
+
+HVSTS_PARAMETERS = frozenset(HVSTS_PARAMETER_TYPES.keys())
+
+# Disk state
+DS_DISK_TOTAL = "disk_total"
+DS_DISK_RESERVED = "disk_reserved"
+DS_DISK_OVERHEAD = "disk_overhead"
+
+DS_DEFAULTS = {
+ DS_DISK_TOTAL: 0,
+ DS_DISK_RESERVED: 0,
+ DS_DISK_OVERHEAD: 0,
+ }
+
+DSS_PARAMETER_TYPES = {
+ DS_DISK_TOTAL: VTYPE_INT,
+ DS_DISK_RESERVED: VTYPE_INT,
+ DS_DISK_OVERHEAD: VTYPE_INT,
+ }
+
+DSS_PARAMETERS = frozenset(DSS_PARAMETER_TYPES.keys())
+DS_VALID_TYPES = frozenset([LD_LV])
+
# Backend parameter names
-BE_MEMORY = "memory"
+BE_MEMORY = "memory" # deprecated and replaced by max and min mem
+BE_MAXMEM = "maxmem"
+BE_MINMEM = "minmem"
BE_VCPUS = "vcpus"
BE_AUTO_BALANCE = "auto_balance"
+BE_ALWAYS_FAILOVER = "always_failover"
+BE_SPINDLE_USE = "spindle_use"
BES_PARAMETER_TYPES = {
- BE_MEMORY: VTYPE_SIZE,
- BE_VCPUS: VTYPE_INT,
- BE_AUTO_BALANCE: VTYPE_BOOL,
- }
+ BE_MAXMEM: VTYPE_SIZE,
+ BE_MINMEM: VTYPE_SIZE,
+ BE_VCPUS: VTYPE_INT,
+ BE_AUTO_BALANCE: VTYPE_BOOL,
+ BE_ALWAYS_FAILOVER: VTYPE_BOOL,
+ BE_SPINDLE_USE: VTYPE_INT,
+ }
+
+BES_PARAMETER_COMPAT = {
+ BE_MEMORY: VTYPE_SIZE,
+ }
+BES_PARAMETER_COMPAT.update(BES_PARAMETER_TYPES)
BES_PARAMETERS = frozenset(BES_PARAMETER_TYPES.keys())
+# instance specs
+ISPEC_MEM_SIZE = "memory-size"
+ISPEC_CPU_COUNT = "cpu-count"
+ISPEC_DISK_COUNT = "disk-count"
+ISPEC_DISK_SIZE = "disk-size"
+ISPEC_NIC_COUNT = "nic-count"
+ISPEC_SPINDLE_USE = "spindle-use"
+
+ISPECS_PARAMETER_TYPES = {
+ ISPEC_MEM_SIZE: VTYPE_INT,
+ ISPEC_CPU_COUNT: VTYPE_INT,
+ ISPEC_DISK_COUNT: VTYPE_INT,
+ ISPEC_DISK_SIZE: VTYPE_INT,
+ ISPEC_NIC_COUNT: VTYPE_INT,
+ ISPEC_SPINDLE_USE: VTYPE_INT,
+ }
+
+ISPECS_PARAMETERS = frozenset(ISPECS_PARAMETER_TYPES.keys())
+
+ISPECS_MIN = "min"
+ISPECS_MAX = "max"
+ISPECS_STD = "std"
+IPOLICY_DTS = "disk-templates"
+IPOLICY_VCPU_RATIO = "vcpu-ratio"
+IPOLICY_SPINDLE_RATIO = "spindle-ratio"
+
+IPOLICY_ISPECS = frozenset([
+ ISPECS_MIN,
+ ISPECS_MAX,
+ ISPECS_STD,
+ ])
+
+IPOLICY_PARAMETERS = frozenset([
+ IPOLICY_VCPU_RATIO,
+ IPOLICY_SPINDLE_RATIO,
+ ])
+
+IPOLICY_ALL_KEYS = (IPOLICY_ISPECS |
+ IPOLICY_PARAMETERS |
+ frozenset([IPOLICY_DTS]))
+
# Node parameter names
ND_OOB_PROGRAM = "oob_program"
+ND_SPINDLE_COUNT = "spindle_count"
NDS_PARAMETER_TYPES = {
- ND_OOB_PROGRAM: VTYPE_MAYBE_STRING,
- }
+ ND_OOB_PROGRAM: VTYPE_MAYBE_STRING,
+ ND_SPINDLE_COUNT: VTYPE_INT,
+ }
NDS_PARAMETERS = frozenset(NDS_PARAMETER_TYPES.keys())
+# Logical Disks parameters
+LDP_RESYNC_RATE = "resync-rate"
+LDP_STRIPES = "stripes"
+LDP_BARRIERS = "disabled-barriers"
+LDP_NO_META_FLUSH = "disable-meta-flush"
+LDP_DEFAULT_METAVG = "default-metavg"
+LDP_DISK_CUSTOM = "disk-custom"
+LDP_NET_CUSTOM = "net-custom"
+LDP_DYNAMIC_RESYNC = "dynamic-resync"
+LDP_PLAN_AHEAD = "c-plan-ahead"
+LDP_FILL_TARGET = "c-fill-target"
+LDP_DELAY_TARGET = "c-delay-target"
+LDP_MAX_RATE = "c-max-rate"
+LDP_MIN_RATE = "c-min-rate"
+LDP_POOL = "pool"
+DISK_LD_TYPES = {
+ LDP_RESYNC_RATE: VTYPE_INT,
+ LDP_STRIPES: VTYPE_INT,
+ LDP_BARRIERS: VTYPE_STRING,
+ LDP_NO_META_FLUSH: VTYPE_BOOL,
+ LDP_DEFAULT_METAVG: VTYPE_STRING,
+ LDP_DISK_CUSTOM: VTYPE_STRING,
+ LDP_NET_CUSTOM: VTYPE_STRING,
+ LDP_DYNAMIC_RESYNC: VTYPE_BOOL,
+ LDP_PLAN_AHEAD: VTYPE_INT,
+ LDP_FILL_TARGET: VTYPE_INT,
+ LDP_DELAY_TARGET: VTYPE_INT,
+ LDP_MAX_RATE: VTYPE_INT,
+ LDP_MIN_RATE: VTYPE_INT,
+ LDP_POOL: VTYPE_STRING,
+ }
+DISK_LD_PARAMETERS = frozenset(DISK_LD_TYPES.keys())
+
+# Disk template parameters (can be set/changed by the user via gnt-cluster and
+# gnt-group)
+DRBD_RESYNC_RATE = "resync-rate"
+DRBD_DATA_STRIPES = "data-stripes"
+DRBD_META_STRIPES = "meta-stripes"
+DRBD_DISK_BARRIERS = "disk-barriers"
+DRBD_META_BARRIERS = "meta-barriers"
+DRBD_DEFAULT_METAVG = "metavg"
+DRBD_DISK_CUSTOM = "disk-custom"
+DRBD_NET_CUSTOM = "net-custom"
+DRBD_DYNAMIC_RESYNC = "dynamic-resync"
+DRBD_PLAN_AHEAD = "c-plan-ahead"
+DRBD_FILL_TARGET = "c-fill-target"
+DRBD_DELAY_TARGET = "c-delay-target"
+DRBD_MAX_RATE = "c-max-rate"
+DRBD_MIN_RATE = "c-min-rate"
+LV_STRIPES = "stripes"
+RBD_POOL = "pool"
+DISK_DT_TYPES = {
+ DRBD_RESYNC_RATE: VTYPE_INT,
+ DRBD_DATA_STRIPES: VTYPE_INT,
+ DRBD_META_STRIPES: VTYPE_INT,
+ DRBD_DISK_BARRIERS: VTYPE_STRING,
+ DRBD_META_BARRIERS: VTYPE_BOOL,
+ DRBD_DEFAULT_METAVG: VTYPE_STRING,
+ DRBD_DISK_CUSTOM: VTYPE_STRING,
+ DRBD_NET_CUSTOM: VTYPE_STRING,
+ DRBD_DYNAMIC_RESYNC: VTYPE_BOOL,
+ DRBD_PLAN_AHEAD: VTYPE_INT,
+ DRBD_FILL_TARGET: VTYPE_INT,
+ DRBD_DELAY_TARGET: VTYPE_INT,
+ DRBD_MAX_RATE: VTYPE_INT,
+ DRBD_MIN_RATE: VTYPE_INT,
+ LV_STRIPES: VTYPE_INT,
+ RBD_POOL: VTYPE_STRING,
+ }
+
+DISK_DT_PARAMETERS = frozenset(DISK_DT_TYPES.keys())
+
# OOB supported commands
OOB_POWER_ON = "power-on"
OOB_POWER_OFF = "power-off"
NIC_VALID_MODES = frozenset([NIC_MODE_BRIDGED, NIC_MODE_ROUTED])
NICS_PARAMETER_TYPES = {
- NIC_MODE: VTYPE_STRING,
- NIC_LINK: VTYPE_STRING,
- }
+ NIC_MODE: VTYPE_STRING,
+ NIC_LINK: VTYPE_STRING,
+ }
NICS_PARAMETERS = frozenset(NICS_PARAMETER_TYPES.keys())
CV_TNODE = "node"
CV_TINSTANCE = "instance"
-# Cluster Verify error codes
-CV_ECLUSTERCFG = (CV_TCLUSTER, "ECLUSTERCFG")
-CV_ECLUSTERCERT = (CV_TCLUSTER, "ECLUSTERCERT")
-CV_ECLUSTERFILECHECK = (CV_TCLUSTER, "ECLUSTERFILECHECK")
-CV_ECLUSTERDANGLINGNODES = (CV_TNODE, "ECLUSTERDANGLINGNODES")
-CV_ECLUSTERDANGLINGINST = (CV_TNODE, "ECLUSTERDANGLINGINST")
-CV_EINSTANCEBADNODE = (CV_TINSTANCE, "EINSTANCEBADNODE")
-CV_EINSTANCEDOWN = (CV_TINSTANCE, "EINSTANCEDOWN")
-CV_EINSTANCELAYOUT = (CV_TINSTANCE, "EINSTANCELAYOUT")
-CV_EINSTANCEMISSINGDISK = (CV_TINSTANCE, "EINSTANCEMISSINGDISK")
-CV_EINSTANCEFAULTYDISK = (CV_TINSTANCE, "EINSTANCEFAULTYDISK")
-CV_EINSTANCEWRONGNODE = (CV_TINSTANCE, "EINSTANCEWRONGNODE")
-CV_EINSTANCESPLITGROUPS = (CV_TINSTANCE, "EINSTANCESPLITGROUPS")
-CV_ENODEDRBD = (CV_TNODE, "ENODEDRBD")
-CV_ENODEDRBDHELPER = (CV_TNODE, "ENODEDRBDHELPER")
-CV_ENODEFILECHECK = (CV_TNODE, "ENODEFILECHECK")
-CV_ENODEHOOKS = (CV_TNODE, "ENODEHOOKS")
-CV_ENODEHV = (CV_TNODE, "ENODEHV")
-CV_ENODELVM = (CV_TNODE, "ENODELVM")
-CV_ENODEN1 = (CV_TNODE, "ENODEN1")
-CV_ENODENET = (CV_TNODE, "ENODENET")
-CV_ENODEOS = (CV_TNODE, "ENODEOS")
-CV_ENODEORPHANINSTANCE = (CV_TNODE, "ENODEORPHANINSTANCE")
-CV_ENODEORPHANLV = (CV_TNODE, "ENODEORPHANLV")
-CV_ENODERPC = (CV_TNODE, "ENODERPC")
-CV_ENODESSH = (CV_TNODE, "ENODESSH")
-CV_ENODEVERSION = (CV_TNODE, "ENODEVERSION")
-CV_ENODESETUP = (CV_TNODE, "ENODESETUP")
-CV_ENODETIME = (CV_TNODE, "ENODETIME")
-CV_ENODEOOBPATH = (CV_TNODE, "ENODEOOBPATH")
+# Cluster Verify error codes and documentation
+CV_ECLUSTERCFG = \
+ (CV_TCLUSTER, "ECLUSTERCFG", "Cluster configuration verification failure")
+CV_ECLUSTERCERT = \
+ (CV_TCLUSTER, "ECLUSTERCERT",
+ "Cluster certificate files verification failure")
+CV_ECLUSTERFILECHECK = \
+ (CV_TCLUSTER, "ECLUSTERFILECHECK",
+ "Cluster configuration verification failure")
+CV_ECLUSTERDANGLINGNODES = \
+ (CV_TNODE, "ECLUSTERDANGLINGNODES",
+ "Some nodes belong to non-existing groups")
+CV_ECLUSTERDANGLINGINST = \
+ (CV_TNODE, "ECLUSTERDANGLINGINST",
+ "Some instances have a non-existing primary node")
+CV_EINSTANCEBADNODE = \
+ (CV_TINSTANCE, "EINSTANCEBADNODE",
+ "Instance marked as running lives on an offline node")
+CV_EINSTANCEDOWN = \
+ (CV_TINSTANCE, "EINSTANCEDOWN", "Instance not running on its primary node")
+CV_EINSTANCELAYOUT = \
+ (CV_TINSTANCE, "EINSTANCELAYOUT", "Instance has multiple secondary nodes")
+CV_EINSTANCEMISSINGDISK = \
+ (CV_TINSTANCE, "EINSTANCEMISSINGDISK", "Missing volume on an instance")
+CV_EINSTANCEFAULTYDISK = \
+ (CV_TINSTANCE, "EINSTANCEFAULTYDISK",
+ "Impossible to retrieve status for a disk")
+CV_EINSTANCEWRONGNODE = \
+ (CV_TINSTANCE, "EINSTANCEWRONGNODE", "Instance running on the wrong node")
+CV_EINSTANCESPLITGROUPS = \
+ (CV_TINSTANCE, "EINSTANCESPLITGROUPS",
+ "Instance with primary and secondary nodes in different groups")
+CV_EINSTANCEPOLICY = \
+ (CV_TINSTANCE, "EINSTANCEPOLICY",
+ "Instance does not meet policy")
+CV_ENODEDRBD = \
+ (CV_TNODE, "ENODEDRBD", "Error parsing the DRBD status file")
+CV_ENODEDRBDHELPER = \
+ (CV_TNODE, "ENODEDRBDHELPER", "Error caused by the DRBD helper")
+CV_ENODEFILECHECK = \
+ (CV_TNODE, "ENODEFILECHECK",
+ "Error retrieving the checksum of the node files")
+CV_ENODEHOOKS = \
+ (CV_TNODE, "ENODEHOOKS", "Communication failure in hooks execution")
+CV_ENODEHV = \
+ (CV_TNODE, "ENODEHV", "Hypervisor parameters verification failure")
+CV_ENODELVM = \
+ (CV_TNODE, "ENODELVM", "LVM-related node error")
+CV_ENODEN1 = \
+ (CV_TNODE, "ENODEN1", "Not enough memory to accommodate instance failovers")
+CV_ENODENET = \
+ (CV_TNODE, "ENODENET", "Network-related node error")
+CV_ENODEOS = \
+ (CV_TNODE, "ENODEOS", "OS-related node error")
+CV_ENODEORPHANINSTANCE = \
+ (CV_TNODE, "ENODEORPHANINSTANCE", "Unknown intance running on a node")
+CV_ENODEORPHANLV = \
+ (CV_TNODE, "ENODEORPHANLV", "Unknown LVM logical volume")
+CV_ENODERPC = \
+ (CV_TNODE, "ENODERPC",
+ "Error during connection to the primary node of an instance")
+CV_ENODESSH = \
+ (CV_TNODE, "ENODESSH", "SSH-related node error")
+CV_ENODEVERSION = \
+ (CV_TNODE, "ENODEVERSION",
+ "Protocol version mismatch or Ganeti version mismatch")
+CV_ENODESETUP = \
+ (CV_TNODE, "ENODESETUP", "Node setup error")
+CV_ENODETIME = \
+ (CV_TNODE, "ENODETIME", "Node returned invalid time")
+CV_ENODEOOBPATH = \
+ (CV_TNODE, "ENODEOOBPATH", "Invalid Out Of Band path")
+CV_ENODEUSERSCRIPTS = \
+ (CV_TNODE, "ENODEUSERSCRIPTS", "User scripts not present or not executable")
CV_ALL_ECODES = frozenset([
CV_ECLUSTERCFG,
CV_EINSTANCEFAULTYDISK,
CV_EINSTANCEWRONGNODE,
CV_EINSTANCESPLITGROUPS,
+ CV_EINSTANCEPOLICY,
CV_ENODEDRBD,
CV_ENODEDRBDHELPER,
CV_ENODEFILECHECK,
CV_ENODESETUP,
CV_ENODETIME,
CV_ENODEOOBPATH,
+ CV_ENODEUSERSCRIPTS,
])
-CV_ALL_ECODES_STRINGS = frozenset([estr for (_, estr) in CV_ALL_ECODES])
+CV_ALL_ECODES_STRINGS = frozenset(estr for (_, estr, _) in CV_ALL_ECODES)
# Node verify constants
NV_DRBDHELPER = "drbd-helper"
NV_VMNODES = "vmnodes"
NV_OOB_PATHS = "oob-paths"
NV_BRIDGES = "bridges"
+NV_USERSCRIPTS = "user-scripts"
# Instance status
INSTST_RUNNING = "running"
INSTST_ADMINDOWN = "ADMIN_down"
+INSTST_ADMINOFFLINE = "ADMIN_offline"
INSTST_NODEOFFLINE = "ERROR_nodeoffline"
INSTST_NODEDOWN = "ERROR_nodedown"
INSTST_WRONGNODE = "ERROR_wrongnode"
INSTST_ALL = frozenset([
INSTST_RUNNING,
INSTST_ADMINDOWN,
+ INSTST_ADMINOFFLINE,
INSTST_NODEOFFLINE,
INSTST_NODEDOWN,
INSTST_WRONGNODE,
INSTST_ERRORDOWN,
])
+# Admin states
+ADMINST_UP = "up"
+ADMINST_DOWN = "down"
+ADMINST_OFFLINE = "offline"
+ADMINST_ALL = frozenset([
+ ADMINST_UP,
+ ADMINST_DOWN,
+ ADMINST_OFFLINE,
+ ])
+
# Node roles
NR_REGULAR = "R"
NR_MASTER = "M"
IALLOCATOR_NEVAC_ALL,
])
+# Node evacuation
+NODE_EVAC_PRI = "primary-only"
+NODE_EVAC_SEC = "secondary-only"
+NODE_EVAC_ALL = "all"
+NODE_EVAC_MODES = frozenset([
+ NODE_EVAC_PRI,
+ NODE_EVAC_SEC,
+ NODE_EVAC_ALL,
+ ])
+
# Job queue
JOB_QUEUE_VERSION = 1
JOB_QUEUE_LOCK_FILE = QUEUE_DIR + "/lock"
JOB_QUEUE_ARCHIVE_DIR = QUEUE_DIR + "/archive"
JOB_QUEUE_DRAIN_FILE = QUEUE_DIR + "/drain"
JOB_QUEUE_SIZE_HARD_LIMIT = 5000
-JOB_QUEUE_DIRS = [QUEUE_DIR, JOB_QUEUE_ARCHIVE_DIR]
-JOB_QUEUE_DIRS_MODE = SECURE_DIR_MODE
JOB_ID_TEMPLATE = r"\d+"
JOB_FILE_RE = re.compile(r"^job-(%s)$" % JOB_ID_TEMPLATE)
OP_PRIO_DEFAULT = OP_PRIO_NORMAL
+# Lock recalculate mode
+LOCKS_REPLACE = "replace"
+LOCKS_APPEND = "append"
+
+# Lock timeout (sum) before we should go into blocking acquire (still
+# can be reset by priority change); computed as max time (10 hours)
+# before we should actually go into blocking acquire given that we
+# start from default priority level; in seconds
+# TODO
+LOCK_ATTEMPTS_TIMEOUT = 10 * 3600 / (OP_PRIO_DEFAULT - OP_PRIO_HIGHEST)
+LOCK_ATTEMPTS_MAXWAIT = 15.0
+LOCK_ATTEMPTS_MINWAIT = 1.0
+
# Execution log types
ELOG_MESSAGE = "message"
-ELOG_PROGRESS = "progress"
ELOG_REMOTE_IMPORT = "remote-import"
ELOG_JQUEUE_TEST = "jqueue-test"
])
# Query resources
+QR_CLUSTER = "cluster"
QR_INSTANCE = "instance"
QR_NODE = "node"
QR_LOCK = "lock"
QR_GROUP = "group"
QR_OS = "os"
+QR_JOB = "job"
+QR_EXPORT = "export"
#: List of resources which can be queried using L{opcodes.OpQuery}
-QR_VIA_OP = frozenset([QR_INSTANCE, QR_NODE, QR_GROUP, QR_OS])
+QR_VIA_OP = frozenset([
+ QR_CLUSTER,
+ QR_INSTANCE,
+ QR_NODE,
+ QR_GROUP,
+ QR_OS,
+ QR_EXPORT,
+ ])
#: List of resources which can be queried using Local UniX Interface
QR_VIA_LUXI = QR_VIA_OP.union([
QR_LOCK,
+ QR_JOB,
])
#: List of resources which can be queried using RAPI
MAX_NICS = 8
MAX_DISKS = 16
+# SSCONF file prefix
+SSCONF_FILEPREFIX = "ssconf_"
# SSCONF keys
SS_CLUSTER_NAME = "cluster_name"
SS_CLUSTER_TAGS = "cluster_tags"
HV_USE_BOOTLOADER: False,
HV_BOOTLOADER_PATH: XEN_BOOTLOADER,
HV_BOOTLOADER_ARGS: "",
- HV_KERNEL_PATH: "/boot/vmlinuz-2.6-xenU",
+ HV_KERNEL_PATH: XEN_KERNEL,
HV_INITRD_PATH: "",
HV_ROOT_PATH: "/dev/sda1",
HV_KERNEL_ARGS: "ro",
HV_CPU_MASK: CPU_PINNING_ALL,
},
HT_KVM: {
- HV_KERNEL_PATH: "/boot/vmlinuz-2.6-kvmU",
+ HV_KERNEL_PATH: KVM_KERNEL,
HV_INITRD_PATH: "",
HV_KERNEL_ARGS: "ro",
HV_ROOT_PATH: "/dev/vda1",
])
BEC_DEFAULTS = {
- BE_MEMORY: 128,
+ BE_MINMEM: 128,
+ BE_MAXMEM: 128,
BE_VCPUS: 1,
BE_AUTO_BALANCE: True,
+ BE_ALWAYS_FAILOVER: False,
+ BE_SPINDLE_USE: 1,
}
NDC_DEFAULTS = {
ND_OOB_PROGRAM: None,
+ ND_SPINDLE_COUNT: 1,
}
+DISK_LD_DEFAULTS = {
+ LD_DRBD8: {
+ LDP_RESYNC_RATE: CLASSIC_DRBD_SYNC_SPEED,
+ LDP_BARRIERS: _autoconf.DRBD_BARRIERS,
+ LDP_NO_META_FLUSH: _autoconf.DRBD_NO_META_FLUSH,
+ LDP_DEFAULT_METAVG: DEFAULT_VG,
+ LDP_DISK_CUSTOM: "",
+ LDP_NET_CUSTOM: "",
+ LDP_DYNAMIC_RESYNC: False,
+
+ # The default values for the DRBD dynamic resync speed algorithm are taken
+ # from the drbsetup 8.3.11 man page, except for c-plan-ahead (that we
+ # don't need to set to 0, because we have a separate option to enable it)
+ # and for c-max-rate, that we cap to the default value for the static resync
+ # rate.
+ LDP_PLAN_AHEAD: 20, # ds
+ LDP_FILL_TARGET: 0, # sectors
+ LDP_DELAY_TARGET: 1, # ds
+ LDP_MAX_RATE: CLASSIC_DRBD_SYNC_SPEED, # KiB/s
+ LDP_MIN_RATE: 4 * 1024, # KiB/s
+ },
+ LD_LV: {
+ LDP_STRIPES: _autoconf.LVM_STRIPECOUNT
+ },
+ LD_FILE: {
+ },
+ LD_BLOCKDEV: {
+ },
+ LD_RBD: {
+ LDP_POOL: "rbd"
+ },
+ }
+
+# readability shortcuts
+_LV_DEFAULTS = DISK_LD_DEFAULTS[LD_LV]
+_DRBD_DEFAULTS = DISK_LD_DEFAULTS[LD_DRBD8]
+
+DISK_DT_DEFAULTS = {
+ DT_PLAIN: {
+ LV_STRIPES: DISK_LD_DEFAULTS[LD_LV][LDP_STRIPES],
+ },
+ DT_DRBD8: {
+ DRBD_RESYNC_RATE: _DRBD_DEFAULTS[LDP_RESYNC_RATE],
+ DRBD_DATA_STRIPES: _LV_DEFAULTS[LDP_STRIPES],
+ DRBD_META_STRIPES: _LV_DEFAULTS[LDP_STRIPES],
+ DRBD_DISK_BARRIERS: _DRBD_DEFAULTS[LDP_BARRIERS],
+ DRBD_META_BARRIERS: _DRBD_DEFAULTS[LDP_NO_META_FLUSH],
+ DRBD_DEFAULT_METAVG: _DRBD_DEFAULTS[LDP_DEFAULT_METAVG],
+ DRBD_DISK_CUSTOM: _DRBD_DEFAULTS[LDP_DISK_CUSTOM],
+ DRBD_NET_CUSTOM: _DRBD_DEFAULTS[LDP_NET_CUSTOM],
+ DRBD_DYNAMIC_RESYNC: _DRBD_DEFAULTS[LDP_DYNAMIC_RESYNC],
+ DRBD_PLAN_AHEAD: _DRBD_DEFAULTS[LDP_PLAN_AHEAD],
+ DRBD_FILL_TARGET: _DRBD_DEFAULTS[LDP_FILL_TARGET],
+ DRBD_DELAY_TARGET: _DRBD_DEFAULTS[LDP_DELAY_TARGET],
+ DRBD_MAX_RATE: _DRBD_DEFAULTS[LDP_MAX_RATE],
+ DRBD_MIN_RATE: _DRBD_DEFAULTS[LDP_MIN_RATE],
+ },
+ DT_DISKLESS: {
+ },
+ DT_FILE: {
+ },
+ DT_SHARED_FILE: {
+ },
+ DT_BLOCK: {
+ },
+ DT_RBD: {
+ RBD_POOL: DISK_LD_DEFAULTS[LD_RBD][LDP_POOL]
+ },
+ }
+
+# we don't want to export the shortcuts
+del _LV_DEFAULTS, _DRBD_DEFAULTS
+
NICC_DEFAULTS = {
NIC_MODE: NIC_MODE_BRIDGED,
NIC_LINK: DEFAULT_BRIDGE,
}
+# All of the following values are quite arbitrarily - there are no
+# "good" defaults, these must be customised per-site
+IPOLICY_DEFAULTS = {
+ ISPECS_MIN: {
+ ISPEC_MEM_SIZE: 128,
+ ISPEC_CPU_COUNT: 1,
+ ISPEC_DISK_COUNT: 1,
+ ISPEC_DISK_SIZE: 1024,
+ ISPEC_NIC_COUNT: 1,
+ ISPEC_SPINDLE_USE: 1,
+ },
+ ISPECS_MAX: {
+ ISPEC_MEM_SIZE: 32768,
+ ISPEC_CPU_COUNT: 8,
+ ISPEC_DISK_COUNT: MAX_DISKS,
+ ISPEC_DISK_SIZE: 1024 * 1024,
+ ISPEC_NIC_COUNT: MAX_NICS,
+ ISPEC_SPINDLE_USE: 12,
+ },
+ ISPECS_STD: {
+ ISPEC_MEM_SIZE: 128,
+ ISPEC_CPU_COUNT: 1,
+ ISPEC_DISK_COUNT: 1,
+ ISPEC_DISK_SIZE: 1024,
+ ISPEC_NIC_COUNT: 1,
+ ISPEC_SPINDLE_USE: 1,
+ },
+ IPOLICY_DTS: DISK_TEMPLATES,
+ IPOLICY_VCPU_RATIO: 4.0,
+ IPOLICY_SPINDLE_RATIO: 32.0,
+ }
+
MASTER_POOL_SIZE_DEFAULT = 10
CONFD_PROTOCOL_VERSION = 1
# Temporary external/shared storage parameters
BLOCKDEV_DRIVER_MANUAL = "manual"
+# qemu-img path, required for ovfconverter
+QEMUIMG_PATH = _autoconf.QEMUIMG_PATH
+
# Whether htools was enabled at compilation time
HTOOLS = _autoconf.HTOOLS
# The hail iallocator
IALLOC_HAIL = "hail"
+
+# Fake opcodes for functions that have hooks attached to them via
+# backend.RunLocalHooks
+FAKE_OP_MASTER_TURNUP = "OP_CLUSTER_IP_TURNUP"
+FAKE_OP_MASTER_TURNDOWN = "OP_CLUSTER_IP_TURNDOWN"
+
+# Do not re-export imported modules
+del re, _vcsversion, _autoconf, socket
projects / ganeti-local / blobdiff