4 # Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011, 2012 Google Inc.
6 # This program is free software; you can redistribute it and/or modify
7 # it under the terms of the GNU General Public License as published by
8 # the Free Software Foundation; either version 2 of the License, or
9 # (at your option) any later version.
11 # This program is distributed in the hope that it will be useful, but
12 # WITHOUT ANY WARRANTY; without even the implied warranty of
13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 # General Public License for more details.
16 # You should have received a copy of the GNU General Public License
17 # along with this program; if not, write to the Free Software
18 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
22 """Module holding different constants."""
27 from ganeti import _autoconf
28 from ganeti import _vcsversion
29 from ganeti import pathutils
33 RELEASE_VERSION = _autoconf.PACKAGE_VERSION
37 OS_API_VERSIONS = frozenset([OS_API_V10, OS_API_V15, OS_API_V20])
38 VCS_VERSION = _vcsversion.VCS_VERSION
43 # Format for CONFIG_VERSION:
44 # 01 03 0123 = 01030123
46 # | | + Configuration version/revision
50 # It is stored as an integer. Make sure not to write an octal number.
52 # BuildVersion and SplitVersion must be in here because we can't import other
53 # modules. The cfgupgrade tool must be able to read and write version numbers
54 # and thus requires these functions. To avoid code duplication, they're kept in
57 def BuildVersion(major, minor, revision):
58 """Calculates int version number from major, minor and revision numbers.
60 Returns: int representing version number
63 assert isinstance(major, int)
64 assert isinstance(minor, int)
65 assert isinstance(revision, int)
66 return (1000000 * major +
71 def SplitVersion(version):
72 """Splits version number stored in an int.
74 Returns: tuple; (major, minor, revision)
77 assert isinstance(version, int)
79 (major, remainder) = divmod(version, 1000000)
80 (minor, revision) = divmod(remainder, 10000)
82 return (major, minor, revision)
85 CONFIG_MAJOR = int(_autoconf.VERSION_MAJOR)
86 CONFIG_MINOR = int(_autoconf.VERSION_MINOR)
88 CONFIG_VERSION = BuildVersion(CONFIG_MAJOR, CONFIG_MINOR, CONFIG_REVISION)
90 #: RPC protocol version
91 PROTOCOL_VERSION = BuildVersion(CONFIG_MAJOR, CONFIG_MINOR, 0)
94 DAEMONS_GROUP = _autoconf.DAEMONS_GROUP
95 ADMIN_GROUP = _autoconf.ADMIN_GROUP
96 MASTERD_USER = _autoconf.MASTERD_USER
97 MASTERD_GROUP = _autoconf.MASTERD_GROUP
98 RAPI_USER = _autoconf.RAPI_USER
99 RAPI_GROUP = _autoconf.RAPI_GROUP
100 CONFD_USER = _autoconf.CONFD_USER
101 CONFD_GROUP = _autoconf.CONFD_GROUP
102 NODED_USER = _autoconf.NODED_USER
103 NODED_GROUP = _autoconf.NODED_GROUP
104 SSH_LOGIN_USER = _autoconf.SSH_LOGIN_USER
105 SSH_CONSOLE_USER = _autoconf.SSH_CONSOLE_USER
107 # cpu pinning separators and constants
108 CPU_PINNING_SEP = ":"
109 CPU_PINNING_ALL = "all"
110 # internal representation of "all"
111 CPU_PINNING_ALL_VAL = -1
112 # one "all" entry in a CPU list means CPU pinning is off
113 CPU_PINNING_OFF = [CPU_PINNING_ALL_VAL]
115 # A Xen-specific implementation detail - there is no way to actually say
116 # "use any cpu for pinning" in a Xen configuration file, as opposed to the
117 # command line, where you can say "xm vcpu-pin <domain> <vcpu> all".
118 # The workaround used in Xen is "0-63" (see source code function
119 # xm_vcpu_pin in <xen-source>/tools/python/xen/xm/main.py).
120 # To support future changes, the following constant is treated as a
121 # blackbox string that simply means use-any-cpu-for-pinning-under-xen.
122 CPU_PINNING_ALL_XEN = "0-63"
124 # A KVM-specific implementation detail - the following value is used
125 # to set CPU affinity to all processors (#0 through #31), per taskset
127 # FIXME: This only works for machines with up to 32 CPU cores
128 CPU_PINNING_ALL_KVM = 0xFFFFFFFF
132 MAX_WIPE_CHUNK = 1024 # 1GB
133 MIN_WIPE_CHUNK_PERCENT = 10
136 SECURE_DIR_MODE = 0700
137 SECURE_FILE_MODE = 0600
138 ADOPTABLE_BLOCKDEV_ROOT = "/dev/disk/"
139 ENABLE_FILE_STORAGE = _autoconf.ENABLE_FILE_STORAGE
140 ENABLE_SHARED_FILE_STORAGE = _autoconf.ENABLE_SHARED_FILE_STORAGE
141 ENABLE_CONFD = _autoconf.ENABLE_CONFD
142 ENABLE_SPLIT_QUERY = _autoconf.ENABLE_SPLIT_QUERY
143 ENABLE_RESTRICTED_COMMANDS = _autoconf.ENABLE_RESTRICTED_COMMANDS
145 NODED = "ganeti-noded"
146 CONFD = "ganeti-confd"
148 MASTERD = "ganeti-masterd"
149 # used in the ganeti-nbma project
153 # daemon-name: ("proto", "default-port")
154 NODED: ("tcp", 1811),
155 CONFD: ("udp", 1814),
158 # used in the ganeti-nbma project
161 DEFAULT_NODED_PORT = DAEMONS_PORTS[NODED][1]
162 DEFAULT_CONFD_PORT = DAEMONS_PORTS[CONFD][1]
163 DEFAULT_RAPI_PORT = DAEMONS_PORTS[RAPI][1]
164 # used in the ganeti-nbma project
165 DEFAULT_NLD_PORT = DAEMONS_PORTS[NLD][1]
167 FIRST_DRBD_PORT = 11000
168 LAST_DRBD_PORT = 14999
171 NODED: pathutils.GetLogFilename("node-daemon"),
172 CONFD: pathutils.GetLogFilename("conf-daemon"),
173 RAPI: pathutils.GetLogFilename("rapi-daemon"),
174 MASTERD: pathutils.GetLogFilename("master-daemon"),
177 DEV_CONSOLE = "/dev/console"
179 PROC_MOUNTS = "/proc/mounts"
181 # Local UniX Interface related constants
183 LUXI_VERSION = CONFIG_VERSION
185 # one of "no", "yes", "only"
186 SYSLOG_USAGE = _autoconf.SYSLOG_USAGE
190 SYSLOG_SOCKET = "/dev/log"
192 EXPORT_CONF_FILE = "config.ini"
194 XEN_BOOTLOADER = _autoconf.XEN_BOOTLOADER
195 XEN_KERNEL = _autoconf.XEN_KERNEL
196 XEN_INITRD = _autoconf.XEN_INITRD
199 # FIXME: This will be made configurable using hvparams in Ganeti 2.7
200 XEN_CMD = _autoconf.XEN_CMD
201 # When the Xen toolstack used is "xl", live migration requires the source host
202 # to connect to the target host via ssh (xl runs this command). We need to pass
203 # the command xl runs some extra info so that it can use Ganeti's key
204 # verification and not fail. Note that this string is incomplete: it must be
205 # filled with the cluster name before being used.
206 XL_SSH_CMD = ("ssh -l %s -oGlobalKnownHostsFile=%s"
207 " -oUserKnownHostsFile=/dev/null"
208 " -oCheckHostIp=no -oStrictHostKeyChecking=yes"
209 " -oHostKeyAlias=%%s") % (SSH_LOGIN_USER,
210 pathutils.SSH_KNOWN_HOSTS_FILE)
212 KVM_PATH = _autoconf.KVM_PATH
213 KVM_KERNEL = _autoconf.KVM_KERNEL
214 SOCAT_PATH = _autoconf.SOCAT_PATH
215 SOCAT_USE_ESCAPE = _autoconf.SOCAT_USE_ESCAPE
216 SOCAT_USE_COMPRESS = _autoconf.SOCAT_USE_COMPRESS
217 SOCAT_ESCAPE_CODE = "0x1d"
219 #: Console as SSH command
222 #: Console as VNC server
225 #: Console as SPICE server
228 #: Display a message for console access
232 CONS_ALL = frozenset([CONS_SSH, CONS_VNC, CONS_SPICE, CONS_MESSAGE])
234 # For RSA keys more bits are better, but they also make operations more
235 # expensive. NIST SP 800-131 recommends a minimum of 2048 bits from the year
239 # Ciphers allowed for SSL connections. For the format, see ciphers(1). A better
240 # way to disable ciphers would be to use the exclamation mark (!), but socat
241 # versions below 1.5 can't parse exclamation marks in options properly. When
242 # modifying the ciphers, ensure not to accidentially add something after it's
243 # been removed. Use the "openssl" utility to check the allowed ciphers, e.g.
244 # "openssl ciphers -v HIGH:-DES".
245 OPENSSL_CIPHERS = "HIGH:-DES:-3DES:-EXPORT:-ADH"
247 # Digest used to sign certificates ("openssl x509" uses SHA1 by default)
248 X509_CERT_SIGN_DIGEST = "SHA1"
250 # Default validity of certificates in days
251 X509_CERT_DEFAULT_VALIDITY = 365 * 5
253 # commonName (CN) used in certificates
254 X509_CERT_CN = "ganeti.example.com"
256 X509_CERT_SIGNATURE_HEADER = "X-Ganeti-Signature"
258 # Import/export daemon mode
259 IEM_IMPORT = "import"
260 IEM_EXPORT = "export"
262 # Import/export transport compression
265 IEC_ALL = frozenset([
270 IE_CUSTOM_SIZE = "fd"
272 IE_MAGIC_RE = re.compile(r"^[-_.a-zA-Z0-9]{5,100}$")
275 # Direct file I/O, equivalent to a shell's I/O redirection using '<' or '>'
277 # Raw block device I/O using "dd"
278 IEIO_RAW_DISK = "raw"
279 # OS definition import/export script
280 IEIO_SCRIPT = "script"
282 VALUE_DEFAULT = "default"
284 VALUE_GENERATE = "generate"
287 VALUE_FALSE = "false"
289 # External script validation mask
290 EXT_PLUGIN_MASK = re.compile("^[a-zA-Z0-9_-]+$")
292 # hooks-related constants
293 HOOKS_PHASE_PRE = "pre"
294 HOOKS_PHASE_POST = "post"
295 HOOKS_NAME_CFGUPDATE = "config-update"
296 HOOKS_NAME_WATCHER = "watcher"
298 HOOKS_PATH = "/sbin:/bin:/usr/sbin:/usr/bin"
300 # hooks subject type (what object type does the LU deal with)
301 HTYPE_CLUSTER = "CLUSTER"
303 HTYPE_GROUP = "GROUP"
304 HTYPE_INSTANCE = "INSTANCE"
305 HTYPE_NETWORK = "NETWORK"
317 # first two are valid in LU context only, not passed to backend
320 # and the rest are valid in backend
325 SF_ALLOCATABLE = "allocatable"
328 SO_FIX_CONSISTENCY = "fix-consistency"
330 # Available fields per storage type
331 VALID_STORAGE_FIELDS = frozenset([
340 VALID_STORAGE_TYPES = frozenset([ST_FILE, ST_LVM_PV, ST_LVM_VG])
342 MODIFIABLE_STORAGE_FIELDS = {
343 ST_LVM_PV: frozenset([SF_ALLOCATABLE]),
346 VALID_STORAGE_OPERATIONS = {
347 ST_LVM_VG: frozenset([SO_FIX_CONSISTENCY]),
351 # Note: Code depends on LDS_OKAY < LDS_UNKNOWN < LDS_FAULTY
354 LDS_FAULTY) = range(1, 4)
356 # disk template types
357 DT_DISKLESS = "diskless"
361 DT_SHARED_FILE = "sharedfile"
362 DT_BLOCK = "blockdev"
365 # the set of network-mirrored disk templates
366 DTS_INT_MIRROR = frozenset([DT_DRBD8])
368 # the set of externally-mirrored disk templates (e.g. SAN, NAS)
369 DTS_EXT_MIRROR = frozenset([DT_SHARED_FILE, DT_BLOCK, DT_RBD])
371 # the set of non-lvm-based disk templates
372 DTS_NOT_LVM = frozenset([DT_DISKLESS, DT_FILE, DT_SHARED_FILE,
375 # the set of disk templates which can be grown
376 DTS_GROWABLE = frozenset([DT_PLAIN, DT_DRBD8, DT_FILE, DT_SHARED_FILE, DT_RBD])
378 # the set of disk templates that allow adoption
379 DTS_MAY_ADOPT = frozenset([DT_PLAIN, DT_BLOCK])
381 # the set of disk templates that *must* use adoption
382 DTS_MUST_ADOPT = frozenset([DT_BLOCK])
384 # the set of disk templates that allow migrations
385 DTS_MIRRORED = frozenset.union(DTS_INT_MIRROR, DTS_EXT_MIRROR)
387 # the set of file based disk templates
388 DTS_FILEBASED = frozenset([DT_FILE, DT_SHARED_FILE])
394 LD_BLOCKDEV = "blockdev"
396 LOGICAL_DISK_TYPES = frozenset([
404 LDS_BLOCK = frozenset([LD_LV, LD_DRBD8, LD_BLOCKDEV, LD_RBD])
407 DRBD_HMAC_ALG = "md5"
408 DRBD_NET_PROTOCOL = "C"
409 DRBD_STATUS_FILE = "/proc/drbd"
411 #: Size of DRBD meta block device
416 DRBD_B_DISK_BARRIERS = "b"
417 DRBD_B_DISK_DRAIN = "d"
418 DRBD_B_DISK_FLUSH = "f"
420 # Valid barrier combinations: "n" or any non-null subset of "bfd"
421 DRBD_VALID_BARRIER_OPT = frozenset([
422 frozenset([DRBD_B_NONE]),
423 frozenset([DRBD_B_DISK_BARRIERS]),
424 frozenset([DRBD_B_DISK_DRAIN]),
425 frozenset([DRBD_B_DISK_FLUSH]),
426 frozenset([DRBD_B_DISK_DRAIN, DRBD_B_DISK_FLUSH]),
427 frozenset([DRBD_B_DISK_BARRIERS, DRBD_B_DISK_DRAIN]),
428 frozenset([DRBD_B_DISK_BARRIERS, DRBD_B_DISK_FLUSH]),
429 frozenset([DRBD_B_DISK_BARRIERS, DRBD_B_DISK_FLUSH, DRBD_B_DISK_DRAIN]),
435 # file backend driver
439 # the set of drbd-like disk types
440 LDS_DRBD = frozenset([LD_DRBD8])
445 DISK_ACCESS_SET = frozenset([DISK_RDONLY, DISK_RDWR])
447 # disk replacement mode
448 REPLACE_DISK_PRI = "replace_on_primary" # replace disks on primary
449 REPLACE_DISK_SEC = "replace_on_secondary" # replace disks on secondary
450 REPLACE_DISK_CHG = "replace_new_secondary" # change secondary node
451 REPLACE_DISK_AUTO = "replace_auto"
452 REPLACE_MODES = frozenset([
459 # Instance export mode
460 EXPORT_MODE_LOCAL = "local"
461 EXPORT_MODE_REMOTE = "remote"
462 EXPORT_MODES = frozenset([
467 # instance creation modes
468 INSTANCE_CREATE = "create"
469 INSTANCE_IMPORT = "import"
470 INSTANCE_REMOTE_IMPORT = "remote-import"
471 INSTANCE_CREATE_MODES = frozenset([
474 INSTANCE_REMOTE_IMPORT,
477 # Remote import/export handshake message and version
479 RIE_HANDSHAKE = "Hi, I'm Ganeti"
481 # Remote import/export certificate validity in seconds
482 RIE_CERT_VALIDITY = 24 * 60 * 60
484 # Overall timeout for establishing connection
485 RIE_CONNECT_TIMEOUT = 180
487 # Export only: how long to wait per connection attempt (seconds)
488 RIE_CONNECT_ATTEMPT_TIMEOUT = 20
490 # Export only: number of attempts to connect
491 RIE_CONNECT_RETRIES = 10
493 #: Give child process up to 5 seconds to exit after sending a signal
494 CHILD_LINGER_TIMEOUT = 5.0
496 DISK_TEMPLATES = frozenset([
506 FILE_DRIVER = frozenset([FD_LOOP, FD_BLKTAP])
508 # import/export config options
509 INISECT_EXP = "export"
510 INISECT_INS = "instance"
511 INISECT_HYP = "hypervisor"
512 INISECT_BEP = "backend"
515 # dynamic device modification
517 DDM_MODIFY = "modify"
518 DDM_REMOVE = "remove"
519 DDMS_VALUES = frozenset([DDM_ADD, DDM_REMOVE])
520 DDMS_VALUES_WITH_MODIFY = (DDMS_VALUES | frozenset([
523 # TODO: DDM_SWAP, DDM_MOVE?
530 EXIT_NODESETUP_ERROR = 12
531 EXIT_CONFIRMATION = 13 # need user confirmation
533 #: Exit code for query operations with unknown fields
534 EXIT_UNKNOWN_FIELD = 14
537 TAG_CLUSTER = "cluster"
538 TAG_NODEGROUP = "nodegroup"
540 TAG_INSTANCE = "instance"
541 TAG_NETWORK = "network"
542 VALID_TAG_TYPES = frozenset([
550 MAX_TAGS_PER_OBJ = 4096
553 DEFAULT_BRIDGE = "xen-br0"
554 CLASSIC_DRBD_SYNC_SPEED = 60 * 1024 # 60 MiB, expressed in KiB
555 IP4_ADDRESS_LOCALHOST = "127.0.0.1"
556 IP4_ADDRESS_ANY = "0.0.0.0"
557 IP6_ADDRESS_LOCALHOST = "::1"
558 IP6_ADDRESS_ANY = "::"
561 VALID_IP_VERSIONS = frozenset([IP4_VERSION, IP6_VERSION])
562 # for export to htools
563 IP4_FAMILY = socket.AF_INET
564 IP6_FAMILY = socket.AF_INET6
566 TCP_PING_TIMEOUT = 10
568 DEFAULT_DRBD_HELPER = "/bin/true"
570 DEFAULT_MAC_PREFIX = "aa:00:00"
571 # default maximum instance wait time, in seconds.
572 DEFAULT_SHUTDOWN_TIMEOUT = 120
573 NODE_MAX_CLOCK_SKEW = 150
574 # Time for an intra-cluster disk transfer to wait for a connection
575 DISK_TRANSFER_CONNECT_TIMEOUT = 60
576 # Disk index separator
577 DISK_SEPARATOR = _autoconf.DISK_SEPARATOR
578 IP_COMMAND_PATH = _autoconf.IP_PATH
580 #: Key for job IDs in opcode result
586 RUNPARTS_ERR) = range(3)
588 RUNPARTS_STATUS = frozenset([RUNPARTS_SKIP, RUNPARTS_RUN, RUNPARTS_ERR])
592 RPC_ENCODING_ZLIB_BASE64) = range(2)
594 # Various time constants for the timeout table
595 RPC_TMO_URGENT = 60 # one minute
596 RPC_TMO_FAST = 5 * 60 # five minutes
597 RPC_TMO_NORMAL = 15 * 60 # 15 minutes
598 RPC_TMO_SLOW = 3600 # one hour
599 RPC_TMO_4HRS = 4 * 3600
602 # Timeout for connecting to nodes (seconds)
603 RPC_CONNECT_TIMEOUT = 5
605 # os related constants
606 OS_SCRIPT_CREATE = "create"
607 OS_SCRIPT_IMPORT = "import"
608 OS_SCRIPT_EXPORT = "export"
609 OS_SCRIPT_RENAME = "rename"
610 OS_SCRIPT_VERIFY = "verify"
611 OS_SCRIPTS = frozenset([
619 OS_API_FILE = "ganeti_api_version"
620 OS_VARIANTS_FILE = "variants.list"
621 OS_PARAMETERS_FILE = "parameters.list"
623 OS_VALIDATE_PARAMETERS = "parameters"
624 OS_VALIDATE_CALLS = frozenset([OS_VALIDATE_PARAMETERS])
631 INSTANCE_REBOOT_SOFT = "soft"
632 INSTANCE_REBOOT_HARD = "hard"
633 INSTANCE_REBOOT_FULL = "full"
635 REBOOT_TYPES = frozenset([
636 INSTANCE_REBOOT_SOFT,
637 INSTANCE_REBOOT_HARD,
638 INSTANCE_REBOOT_FULL,
641 # instance reboot behaviors
642 INSTANCE_REBOOT_ALLOWED = "reboot"
643 INSTANCE_REBOOT_EXIT = "exit"
645 REBOOT_BEHAVIORS = frozenset([
646 INSTANCE_REBOOT_ALLOWED,
647 INSTANCE_REBOOT_EXIT,
650 VTYPE_STRING = "string"
651 VTYPE_MAYBE_STRING = "maybe-string"
653 VTYPE_SIZE = "size" # size, in MiBs
655 ENFORCEABLE_TYPES = frozenset([
663 # Constant representing that the user does not specify any IP version
664 IFACE_NO_IP_VERSION_SPECIFIED = 0
666 # HV parameter names (global namespace)
667 HV_BOOT_ORDER = "boot_order"
668 HV_CDROM_IMAGE_PATH = "cdrom_image_path"
669 HV_KVM_CDROM2_IMAGE_PATH = "cdrom2_image_path"
670 HV_KVM_FLOPPY_IMAGE_PATH = "floppy_image_path"
671 HV_NIC_TYPE = "nic_type"
672 HV_DISK_TYPE = "disk_type"
673 HV_KVM_CDROM_DISK_TYPE = "cdrom_disk_type"
674 HV_VNC_BIND_ADDRESS = "vnc_bind_address"
675 HV_VNC_PASSWORD_FILE = "vnc_password_file"
676 HV_VNC_TLS = "vnc_tls"
677 HV_VNC_X509 = "vnc_x509_path"
678 HV_VNC_X509_VERIFY = "vnc_x509_verify"
679 HV_KVM_SPICE_BIND = "spice_bind"
680 HV_KVM_SPICE_IP_VERSION = "spice_ip_version"
681 HV_KVM_SPICE_PASSWORD_FILE = "spice_password_file"
682 HV_KVM_SPICE_LOSSLESS_IMG_COMPR = "spice_image_compression"
683 HV_KVM_SPICE_JPEG_IMG_COMPR = "spice_jpeg_wan_compression"
684 HV_KVM_SPICE_ZLIB_GLZ_IMG_COMPR = "spice_zlib_glz_wan_compression"
685 HV_KVM_SPICE_STREAMING_VIDEO_DETECTION = "spice_streaming_video"
686 HV_KVM_SPICE_AUDIO_COMPR = "spice_playback_compression"
687 HV_KVM_SPICE_USE_TLS = "spice_use_tls"
688 HV_KVM_SPICE_TLS_CIPHERS = "spice_tls_ciphers"
689 HV_KVM_SPICE_USE_VDAGENT = "spice_use_vdagent"
692 HV_USE_BOOTLOADER = "use_bootloader"
693 HV_BOOTLOADER_ARGS = "bootloader_args"
694 HV_BOOTLOADER_PATH = "bootloader_path"
695 HV_KERNEL_ARGS = "kernel_args"
696 HV_KERNEL_PATH = "kernel_path"
697 HV_INITRD_PATH = "initrd_path"
698 HV_ROOT_PATH = "root_path"
699 HV_SERIAL_CONSOLE = "serial_console"
700 HV_USB_MOUSE = "usb_mouse"
702 HV_DEVICE_MODEL = "device_model"
703 HV_INIT_SCRIPT = "init_script"
704 HV_MIGRATION_PORT = "migration_port"
705 HV_MIGRATION_BANDWIDTH = "migration_bandwidth"
706 HV_MIGRATION_DOWNTIME = "migration_downtime"
707 HV_MIGRATION_MODE = "migration_mode"
708 HV_USE_LOCALTIME = "use_localtime"
709 HV_DISK_CACHE = "disk_cache"
710 HV_SECURITY_MODEL = "security_model"
711 HV_SECURITY_DOMAIN = "security_domain"
712 HV_KVM_FLAG = "kvm_flag"
713 HV_VHOST_NET = "vhost_net"
714 HV_KVM_USE_CHROOT = "use_chroot"
715 HV_CPU_MASK = "cpu_mask"
716 HV_MEM_PATH = "mem_path"
717 HV_PASSTHROUGH = "pci_pass"
718 HV_BLOCKDEV_PREFIX = "blockdev_prefix"
719 HV_REBOOT_BEHAVIOR = "reboot_behavior"
720 HV_CPU_TYPE = "cpu_type"
721 HV_CPU_CAP = "cpu_cap"
722 HV_CPU_WEIGHT = "cpu_weight"
725 HVS_PARAMETER_TYPES = {
726 HV_BOOT_ORDER: VTYPE_STRING,
727 HV_KVM_FLOPPY_IMAGE_PATH: VTYPE_STRING,
728 HV_CDROM_IMAGE_PATH: VTYPE_STRING,
729 HV_KVM_CDROM2_IMAGE_PATH: VTYPE_STRING,
730 HV_NIC_TYPE: VTYPE_STRING,
731 HV_DISK_TYPE: VTYPE_STRING,
732 HV_KVM_CDROM_DISK_TYPE: VTYPE_STRING,
733 HV_VNC_PASSWORD_FILE: VTYPE_STRING,
734 HV_VNC_BIND_ADDRESS: VTYPE_STRING,
735 HV_VNC_TLS: VTYPE_BOOL,
736 HV_VNC_X509: VTYPE_STRING,
737 HV_VNC_X509_VERIFY: VTYPE_BOOL,
738 HV_KVM_SPICE_BIND: VTYPE_STRING,
739 HV_KVM_SPICE_IP_VERSION: VTYPE_INT,
740 HV_KVM_SPICE_PASSWORD_FILE: VTYPE_STRING,
741 HV_KVM_SPICE_LOSSLESS_IMG_COMPR: VTYPE_STRING,
742 HV_KVM_SPICE_JPEG_IMG_COMPR: VTYPE_STRING,
743 HV_KVM_SPICE_ZLIB_GLZ_IMG_COMPR: VTYPE_STRING,
744 HV_KVM_SPICE_STREAMING_VIDEO_DETECTION: VTYPE_STRING,
745 HV_KVM_SPICE_AUDIO_COMPR: VTYPE_BOOL,
746 HV_KVM_SPICE_USE_TLS: VTYPE_BOOL,
747 HV_KVM_SPICE_TLS_CIPHERS: VTYPE_STRING,
748 HV_KVM_SPICE_USE_VDAGENT: VTYPE_BOOL,
751 HV_USE_BOOTLOADER: VTYPE_BOOL,
752 HV_BOOTLOADER_PATH: VTYPE_STRING,
753 HV_BOOTLOADER_ARGS: VTYPE_STRING,
754 HV_KERNEL_PATH: VTYPE_STRING,
755 HV_KERNEL_ARGS: VTYPE_STRING,
756 HV_INITRD_PATH: VTYPE_STRING,
757 HV_ROOT_PATH: VTYPE_MAYBE_STRING,
758 HV_SERIAL_CONSOLE: VTYPE_BOOL,
759 HV_USB_MOUSE: VTYPE_STRING,
760 HV_KEYMAP: VTYPE_STRING,
761 HV_DEVICE_MODEL: VTYPE_STRING,
762 HV_INIT_SCRIPT: VTYPE_STRING,
763 HV_MIGRATION_PORT: VTYPE_INT,
764 HV_MIGRATION_BANDWIDTH: VTYPE_INT,
765 HV_MIGRATION_DOWNTIME: VTYPE_INT,
766 HV_MIGRATION_MODE: VTYPE_STRING,
767 HV_USE_LOCALTIME: VTYPE_BOOL,
768 HV_DISK_CACHE: VTYPE_STRING,
769 HV_SECURITY_MODEL: VTYPE_STRING,
770 HV_SECURITY_DOMAIN: VTYPE_STRING,
771 HV_KVM_FLAG: VTYPE_STRING,
772 HV_VHOST_NET: VTYPE_BOOL,
773 HV_KVM_USE_CHROOT: VTYPE_BOOL,
774 HV_CPU_MASK: VTYPE_STRING,
775 HV_MEM_PATH: VTYPE_STRING,
776 HV_PASSTHROUGH: VTYPE_STRING,
777 HV_BLOCKDEV_PREFIX: VTYPE_STRING,
778 HV_REBOOT_BEHAVIOR: VTYPE_STRING,
779 HV_CPU_TYPE: VTYPE_STRING,
780 HV_CPU_CAP: VTYPE_INT,
781 HV_CPU_WEIGHT: VTYPE_INT,
784 HVS_PARAMETERS = frozenset(HVS_PARAMETER_TYPES.keys())
786 HVS_PARAMETER_TITLES = {
788 HV_BOOT_ORDER: "Boot_order",
789 HV_CDROM_IMAGE_PATH: "CDROM_image_path",
790 HV_DISK_TYPE: "Disk_type",
791 HV_INITRD_PATH: "Initrd_path",
792 HV_KERNEL_PATH: "Kernel_path",
793 HV_NIC_TYPE: "NIC_type",
795 HV_VNC_BIND_ADDRESS: "VNC_bind_address",
796 HV_PASSTHROUGH: "pci_pass",
797 HV_CPU_TYPE: "cpu_type",
801 HV_MIGRATION_COMPLETED = "completed"
802 HV_MIGRATION_ACTIVE = "active"
803 HV_MIGRATION_FAILED = "failed"
804 HV_MIGRATION_CANCELLED = "cancelled"
806 HV_MIGRATION_VALID_STATUSES = frozenset([
807 HV_MIGRATION_COMPLETED,
810 HV_MIGRATION_CANCELLED,
813 HV_MIGRATION_FAILED_STATUSES = frozenset([
815 HV_MIGRATION_CANCELLED,
818 # KVM-specific statuses
819 HV_KVM_MIGRATION_VALID_STATUSES = HV_MIGRATION_VALID_STATUSES
822 HV_NODEINFO_KEY_VERSION = "hv_version"
825 HVST_MEMORY_TOTAL = "mem_total"
826 HVST_MEMORY_NODE = "mem_node"
827 HVST_MEMORY_HV = "mem_hv"
828 HVST_CPU_TOTAL = "cpu_total"
829 HVST_CPU_NODE = "cpu_node"
832 HVST_MEMORY_TOTAL: 0,
839 HVSTS_PARAMETER_TYPES = {
840 HVST_MEMORY_TOTAL: VTYPE_INT,
841 HVST_MEMORY_NODE: VTYPE_INT,
842 HVST_MEMORY_HV: VTYPE_INT,
843 HVST_CPU_TOTAL: VTYPE_INT,
844 HVST_CPU_NODE: VTYPE_INT,
847 HVSTS_PARAMETERS = frozenset(HVSTS_PARAMETER_TYPES.keys())
850 DS_DISK_TOTAL = "disk_total"
851 DS_DISK_RESERVED = "disk_reserved"
852 DS_DISK_OVERHEAD = "disk_overhead"
860 DSS_PARAMETER_TYPES = {
861 DS_DISK_TOTAL: VTYPE_INT,
862 DS_DISK_RESERVED: VTYPE_INT,
863 DS_DISK_OVERHEAD: VTYPE_INT,
866 DSS_PARAMETERS = frozenset(DSS_PARAMETER_TYPES.keys())
867 DS_VALID_TYPES = frozenset([LD_LV])
869 # Backend parameter names
870 BE_MEMORY = "memory" # deprecated and replaced by max and min mem
874 BE_AUTO_BALANCE = "auto_balance"
875 BE_ALWAYS_FAILOVER = "always_failover"
876 BE_SPINDLE_USE = "spindle_use"
878 BES_PARAMETER_TYPES = {
879 BE_MAXMEM: VTYPE_SIZE,
880 BE_MINMEM: VTYPE_SIZE,
882 BE_AUTO_BALANCE: VTYPE_BOOL,
883 BE_ALWAYS_FAILOVER: VTYPE_BOOL,
884 BE_SPINDLE_USE: VTYPE_INT,
887 BES_PARAMETER_TITLES = {
888 BE_AUTO_BALANCE: "Auto_balance",
889 BE_MAXMEM: "ConfigMaxMem",
890 BE_MINMEM: "ConfigMinMem",
891 BE_VCPUS: "ConfigVCPUs",
894 BES_PARAMETER_COMPAT = {
895 BE_MEMORY: VTYPE_SIZE,
897 BES_PARAMETER_COMPAT.update(BES_PARAMETER_TYPES)
899 BES_PARAMETERS = frozenset(BES_PARAMETER_TYPES.keys())
902 ISPEC_MEM_SIZE = "memory-size"
903 ISPEC_CPU_COUNT = "cpu-count"
904 ISPEC_DISK_COUNT = "disk-count"
905 ISPEC_DISK_SIZE = "disk-size"
906 ISPEC_NIC_COUNT = "nic-count"
907 ISPEC_SPINDLE_USE = "spindle-use"
909 ISPECS_PARAMETER_TYPES = {
910 ISPEC_MEM_SIZE: VTYPE_INT,
911 ISPEC_CPU_COUNT: VTYPE_INT,
912 ISPEC_DISK_COUNT: VTYPE_INT,
913 ISPEC_DISK_SIZE: VTYPE_INT,
914 ISPEC_NIC_COUNT: VTYPE_INT,
915 ISPEC_SPINDLE_USE: VTYPE_INT,
918 ISPECS_PARAMETERS = frozenset(ISPECS_PARAMETER_TYPES.keys())
923 IPOLICY_DTS = "disk-templates"
924 IPOLICY_VCPU_RATIO = "vcpu-ratio"
925 IPOLICY_SPINDLE_RATIO = "spindle-ratio"
927 IPOLICY_ISPECS = frozenset([
933 IPOLICY_PARAMETERS = frozenset([
935 IPOLICY_SPINDLE_RATIO,
938 IPOLICY_ALL_KEYS = (IPOLICY_ISPECS |
940 frozenset([IPOLICY_DTS]))
942 # Node parameter names
943 ND_OOB_PROGRAM = "oob_program"
944 ND_SPINDLE_COUNT = "spindle_count"
946 NDS_PARAMETER_TYPES = {
947 ND_OOB_PROGRAM: VTYPE_STRING,
948 ND_SPINDLE_COUNT: VTYPE_INT,
951 NDS_PARAMETERS = frozenset(NDS_PARAMETER_TYPES.keys())
953 NDS_PARAMETER_TITLES = {
954 ND_OOB_PROGRAM: "OutOfBandProgram",
955 ND_SPINDLE_COUNT: "SpindleCount",
958 # Logical Disks parameters
959 LDP_RESYNC_RATE = "resync-rate"
960 LDP_STRIPES = "stripes"
961 LDP_BARRIERS = "disabled-barriers"
962 LDP_NO_META_FLUSH = "disable-meta-flush"
963 LDP_DEFAULT_METAVG = "default-metavg"
964 LDP_DISK_CUSTOM = "disk-custom"
965 LDP_NET_CUSTOM = "net-custom"
966 LDP_DYNAMIC_RESYNC = "dynamic-resync"
967 LDP_PLAN_AHEAD = "c-plan-ahead"
968 LDP_FILL_TARGET = "c-fill-target"
969 LDP_DELAY_TARGET = "c-delay-target"
970 LDP_MAX_RATE = "c-max-rate"
971 LDP_MIN_RATE = "c-min-rate"
974 LDP_RESYNC_RATE: VTYPE_INT,
975 LDP_STRIPES: VTYPE_INT,
976 LDP_BARRIERS: VTYPE_STRING,
977 LDP_NO_META_FLUSH: VTYPE_BOOL,
978 LDP_DEFAULT_METAVG: VTYPE_STRING,
979 LDP_DISK_CUSTOM: VTYPE_STRING,
980 LDP_NET_CUSTOM: VTYPE_STRING,
981 LDP_DYNAMIC_RESYNC: VTYPE_BOOL,
982 LDP_PLAN_AHEAD: VTYPE_INT,
983 LDP_FILL_TARGET: VTYPE_INT,
984 LDP_DELAY_TARGET: VTYPE_INT,
985 LDP_MAX_RATE: VTYPE_INT,
986 LDP_MIN_RATE: VTYPE_INT,
987 LDP_POOL: VTYPE_STRING,
989 DISK_LD_PARAMETERS = frozenset(DISK_LD_TYPES.keys())
991 # Disk template parameters (can be set/changed by the user via gnt-cluster and
993 DRBD_RESYNC_RATE = "resync-rate"
994 DRBD_DATA_STRIPES = "data-stripes"
995 DRBD_META_STRIPES = "meta-stripes"
996 DRBD_DISK_BARRIERS = "disk-barriers"
997 DRBD_META_BARRIERS = "meta-barriers"
998 DRBD_DEFAULT_METAVG = "metavg"
999 DRBD_DISK_CUSTOM = "disk-custom"
1000 DRBD_NET_CUSTOM = "net-custom"
1001 DRBD_DYNAMIC_RESYNC = "dynamic-resync"
1002 DRBD_PLAN_AHEAD = "c-plan-ahead"
1003 DRBD_FILL_TARGET = "c-fill-target"
1004 DRBD_DELAY_TARGET = "c-delay-target"
1005 DRBD_MAX_RATE = "c-max-rate"
1006 DRBD_MIN_RATE = "c-min-rate"
1007 LV_STRIPES = "stripes"
1010 DRBD_RESYNC_RATE: VTYPE_INT,
1011 DRBD_DATA_STRIPES: VTYPE_INT,
1012 DRBD_META_STRIPES: VTYPE_INT,
1013 DRBD_DISK_BARRIERS: VTYPE_STRING,
1014 DRBD_META_BARRIERS: VTYPE_BOOL,
1015 DRBD_DEFAULT_METAVG: VTYPE_STRING,
1016 DRBD_DISK_CUSTOM: VTYPE_STRING,
1017 DRBD_NET_CUSTOM: VTYPE_STRING,
1018 DRBD_DYNAMIC_RESYNC: VTYPE_BOOL,
1019 DRBD_PLAN_AHEAD: VTYPE_INT,
1020 DRBD_FILL_TARGET: VTYPE_INT,
1021 DRBD_DELAY_TARGET: VTYPE_INT,
1022 DRBD_MAX_RATE: VTYPE_INT,
1023 DRBD_MIN_RATE: VTYPE_INT,
1024 LV_STRIPES: VTYPE_INT,
1025 RBD_POOL: VTYPE_STRING,
1028 DISK_DT_PARAMETERS = frozenset(DISK_DT_TYPES.keys())
1030 # OOB supported commands
1031 OOB_POWER_ON = "power-on"
1032 OOB_POWER_OFF = "power-off"
1033 OOB_POWER_CYCLE = "power-cycle"
1034 OOB_POWER_STATUS = "power-status"
1035 OOB_HEALTH = "health"
1037 OOB_COMMANDS = frozenset([
1045 OOB_POWER_STATUS_POWERED = "powered"
1047 OOB_TIMEOUT = 60 # 60 seconds
1048 OOB_POWER_DELAY = 2.0 # 2 seconds
1050 OOB_STATUS_OK = "OK"
1051 OOB_STATUS_WARNING = "WARNING"
1052 OOB_STATUS_CRITICAL = "CRITICAL"
1053 OOB_STATUS_UNKNOWN = "UNKNOWN"
1055 OOB_STATUSES = frozenset([
1058 OOB_STATUS_CRITICAL,
1062 # Instance Parameters Profile
1063 PP_DEFAULT = "default"
1065 # NIC_* constants are used inside the ganeti config
1069 NIC_MODE_BRIDGED = "bridged"
1070 NIC_MODE_ROUTED = "routed"
1071 NIC_IP_POOL = "pool"
1073 NIC_VALID_MODES = frozenset([NIC_MODE_BRIDGED, NIC_MODE_ROUTED])
1075 RESERVE_ACTION = "reserve"
1076 RELEASE_ACTION = "release"
1078 # An extra description of the network.
1079 # Can be used by hooks/kvm-vif-bridge to apply different rules
1080 NETWORK_TYPE_PRIVATE = "private"
1081 NETWORK_TYPE_PUBLIC = "public"
1083 NETWORK_VALID_TYPES = frozenset([NETWORK_TYPE_PRIVATE, NETWORK_TYPE_PUBLIC])
1085 NICS_PARAMETER_TYPES = {
1086 NIC_MODE: VTYPE_STRING,
1087 NIC_LINK: VTYPE_STRING,
1090 NICS_PARAMETERS = frozenset(NICS_PARAMETER_TYPES.keys())
1092 # IDISK_* constants are used in opcodes, to create/change disks
1095 IDISK_ADOPT = "adopt"
1097 IDISK_METAVG = "metavg"
1098 IDISK_PARAMS_TYPES = {
1099 IDISK_SIZE: VTYPE_SIZE,
1100 IDISK_MODE: VTYPE_STRING,
1101 IDISK_ADOPT: VTYPE_STRING,
1102 IDISK_VG: VTYPE_STRING,
1103 IDISK_METAVG: VTYPE_STRING,
1105 IDISK_PARAMS = frozenset(IDISK_PARAMS_TYPES.keys())
1107 # INIC_* constants are used in opcodes, to create/change nics
1112 INIC_NETWORK = "network"
1113 INIC_PARAMS_TYPES = {
1114 INIC_IP: VTYPE_MAYBE_STRING,
1115 INIC_LINK: VTYPE_STRING,
1116 INIC_MAC: VTYPE_STRING,
1117 INIC_MODE: VTYPE_STRING,
1118 INIC_NETWORK: VTYPE_MAYBE_STRING,
1120 INIC_PARAMS = frozenset(INIC_PARAMS_TYPES.keys())
1122 # Hypervisor constants
1123 HT_XEN_PVM = "xen-pvm"
1125 HT_XEN_HVM = "xen-hvm"
1127 HT_CHROOT = "chroot"
1129 HYPER_TYPES = frozenset([
1137 HTS_REQ_PORT = frozenset([HT_XEN_HVM, HT_KVM])
1139 VNC_BASE_PORT = 5900
1140 VNC_DEFAULT_BIND_ADDRESS = IP4_ADDRESS_ANY
1143 HT_NIC_RTL8139 = "rtl8139"
1144 HT_NIC_NE2K_PCI = "ne2k_pci"
1145 HT_NIC_NE2K_ISA = "ne2k_isa"
1146 HT_NIC_I82551 = "i82551"
1147 HT_NIC_I85557B = "i82557b"
1148 HT_NIC_I8259ER = "i82559er"
1149 HT_NIC_PCNET = "pcnet"
1150 HT_NIC_E1000 = "e1000"
1151 HT_NIC_PARAVIRTUAL = HT_DISK_PARAVIRTUAL = "paravirtual"
1153 HT_HVM_VALID_NIC_TYPES = frozenset([
1160 HT_KVM_VALID_NIC_TYPES = frozenset([
1173 HT_DISK_IOEMU = "ioemu"
1175 HT_DISK_SCSI = "scsi"
1178 HT_DISK_PFLASH = "pflash"
1180 HT_CACHE_DEFAULT = "default"
1181 HT_CACHE_NONE = "none"
1182 HT_CACHE_WTHROUGH = "writethrough"
1183 HT_CACHE_WBACK = "writeback"
1184 HT_VALID_CACHE_TYPES = frozenset([
1191 HT_HVM_VALID_DISK_TYPES = frozenset([HT_DISK_PARAVIRTUAL, HT_DISK_IOEMU])
1192 HT_KVM_VALID_DISK_TYPES = frozenset([
1193 HT_DISK_PARAVIRTUAL,
1202 HT_MOUSE_MOUSE = "mouse"
1203 HT_MOUSE_TABLET = "tablet"
1205 HT_KVM_VALID_MOUSE_TYPES = frozenset([HT_MOUSE_MOUSE, HT_MOUSE_TABLET])
1208 HT_BO_FLOPPY = "floppy"
1209 HT_BO_CDROM = "cdrom"
1211 HT_BO_NETWORK = "network"
1213 HT_KVM_VALID_BO_TYPES = frozenset([
1220 # SPICE lossless image compression options
1221 HT_KVM_SPICE_LOSSLESS_IMG_COMPR_AUTO_GLZ = "auto_glz"
1222 HT_KVM_SPICE_LOSSLESS_IMG_COMPR_AUTO_LZ = "auto_lz"
1223 HT_KVM_SPICE_LOSSLESS_IMG_COMPR_QUIC = "quic"
1224 HT_KVM_SPICE_LOSSLESS_IMG_COMPR_GLZ = "glz"
1225 HT_KVM_SPICE_LOSSLESS_IMG_COMPR_LZ = "lz"
1226 HT_KVM_SPICE_LOSSLESS_IMG_COMPR_OFF = "off"
1228 HT_KVM_SPICE_VALID_LOSSLESS_IMG_COMPR_OPTIONS = frozenset([
1229 HT_KVM_SPICE_LOSSLESS_IMG_COMPR_AUTO_GLZ,
1230 HT_KVM_SPICE_LOSSLESS_IMG_COMPR_AUTO_LZ,
1231 HT_KVM_SPICE_LOSSLESS_IMG_COMPR_QUIC,
1232 HT_KVM_SPICE_LOSSLESS_IMG_COMPR_GLZ,
1233 HT_KVM_SPICE_LOSSLESS_IMG_COMPR_LZ,
1234 HT_KVM_SPICE_LOSSLESS_IMG_COMPR_OFF,
1237 # SPICE lossy image compression options (valid for both jpeg and zlib-glz)
1238 HT_KVM_SPICE_LOSSY_IMG_COMPR_AUTO = "auto"
1239 HT_KVM_SPICE_LOSSY_IMG_COMPR_NEVER = "never"
1240 HT_KVM_SPICE_LOSSY_IMG_COMPR_ALWAYS = "always"
1242 HT_KVM_SPICE_VALID_LOSSY_IMG_COMPR_OPTIONS = frozenset([
1243 HT_KVM_SPICE_LOSSY_IMG_COMPR_AUTO,
1244 HT_KVM_SPICE_LOSSY_IMG_COMPR_NEVER,
1245 HT_KVM_SPICE_LOSSY_IMG_COMPR_ALWAYS,
1248 # SPICE video stream detection
1249 HT_KVM_SPICE_VIDEO_STREAM_DETECTION_OFF = "off"
1250 HT_KVM_SPICE_VIDEO_STREAM_DETECTION_ALL = "all"
1251 HT_KVM_SPICE_VIDEO_STREAM_DETECTION_FILTER = "filter"
1253 HT_KVM_SPICE_VALID_VIDEO_STREAM_DETECTION_OPTIONS = frozenset([
1254 HT_KVM_SPICE_VIDEO_STREAM_DETECTION_OFF,
1255 HT_KVM_SPICE_VIDEO_STREAM_DETECTION_ALL,
1256 HT_KVM_SPICE_VIDEO_STREAM_DETECTION_FILTER,
1264 HT_KVM_VALID_SM_TYPES = frozenset([HT_SM_NONE, HT_SM_USER, HT_SM_POOL])
1267 HT_KVM_ENABLED = "enabled"
1268 HT_KVM_DISABLED = "disabled"
1270 HT_KVM_FLAG_VALUES = frozenset([HT_KVM_ENABLED, HT_KVM_DISABLED])
1273 HT_MIGRATION_LIVE = "live"
1274 HT_MIGRATION_NONLIVE = "non-live"
1275 HT_MIGRATION_MODES = frozenset([HT_MIGRATION_LIVE, HT_MIGRATION_NONLIVE])
1277 # Cluster Verify steps
1278 VERIFY_NPLUSONE_MEM = "nplusone_mem"
1279 VERIFY_OPTIONAL_CHECKS = frozenset([VERIFY_NPLUSONE_MEM])
1281 # Cluster Verify error classes
1282 CV_TCLUSTER = "cluster"
1284 CV_TINSTANCE = "instance"
1286 # Cluster Verify error codes and documentation
1288 (CV_TCLUSTER, "ECLUSTERCFG", "Cluster configuration verification failure")
1290 (CV_TCLUSTER, "ECLUSTERCERT",
1291 "Cluster certificate files verification failure")
1292 CV_ECLUSTERFILECHECK = \
1293 (CV_TCLUSTER, "ECLUSTERFILECHECK",
1294 "Cluster configuration verification failure")
1295 CV_ECLUSTERDANGLINGNODES = \
1296 (CV_TNODE, "ECLUSTERDANGLINGNODES",
1297 "Some nodes belong to non-existing groups")
1298 CV_ECLUSTERDANGLINGINST = \
1299 (CV_TNODE, "ECLUSTERDANGLINGINST",
1300 "Some instances have a non-existing primary node")
1301 CV_EINSTANCEBADNODE = \
1302 (CV_TINSTANCE, "EINSTANCEBADNODE",
1303 "Instance marked as running lives on an offline node")
1304 CV_EINSTANCEDOWN = \
1305 (CV_TINSTANCE, "EINSTANCEDOWN", "Instance not running on its primary node")
1306 CV_EINSTANCELAYOUT = \
1307 (CV_TINSTANCE, "EINSTANCELAYOUT", "Instance has multiple secondary nodes")
1308 CV_EINSTANCEMISSINGDISK = \
1309 (CV_TINSTANCE, "EINSTANCEMISSINGDISK", "Missing volume on an instance")
1310 CV_EINSTANCEFAULTYDISK = \
1311 (CV_TINSTANCE, "EINSTANCEFAULTYDISK",
1312 "Impossible to retrieve status for a disk")
1313 CV_EINSTANCEWRONGNODE = \
1314 (CV_TINSTANCE, "EINSTANCEWRONGNODE", "Instance running on the wrong node")
1315 CV_EINSTANCESPLITGROUPS = \
1316 (CV_TINSTANCE, "EINSTANCESPLITGROUPS",
1317 "Instance with primary and secondary nodes in different groups")
1318 CV_EINSTANCEPOLICY = \
1319 (CV_TINSTANCE, "EINSTANCEPOLICY",
1320 "Instance does not meet policy")
1322 (CV_TNODE, "ENODEDRBD", "Error parsing the DRBD status file")
1323 CV_ENODEDRBDHELPER = \
1324 (CV_TNODE, "ENODEDRBDHELPER", "Error caused by the DRBD helper")
1325 CV_ENODEFILECHECK = \
1326 (CV_TNODE, "ENODEFILECHECK",
1327 "Error retrieving the checksum of the node files")
1329 (CV_TNODE, "ENODEHOOKS", "Communication failure in hooks execution")
1331 (CV_TNODE, "ENODEHV", "Hypervisor parameters verification failure")
1333 (CV_TNODE, "ENODELVM", "LVM-related node error")
1335 (CV_TNODE, "ENODEN1", "Not enough memory to accommodate instance failovers")
1337 (CV_TNODE, "ENODENET", "Network-related node error")
1339 (CV_TNODE, "ENODEOS", "OS-related node error")
1340 CV_ENODEORPHANINSTANCE = \
1341 (CV_TNODE, "ENODEORPHANINSTANCE", "Unknown intance running on a node")
1342 CV_ENODEORPHANLV = \
1343 (CV_TNODE, "ENODEORPHANLV", "Unknown LVM logical volume")
1345 (CV_TNODE, "ENODERPC",
1346 "Error during connection to the primary node of an instance")
1348 (CV_TNODE, "ENODESSH", "SSH-related node error")
1350 (CV_TNODE, "ENODEVERSION",
1351 "Protocol version mismatch or Ganeti version mismatch")
1353 (CV_TNODE, "ENODESETUP", "Node setup error")
1355 (CV_TNODE, "ENODETIME", "Node returned invalid time")
1357 (CV_TNODE, "ENODEOOBPATH", "Invalid Out Of Band path")
1358 CV_ENODEUSERSCRIPTS = \
1359 (CV_TNODE, "ENODEUSERSCRIPTS", "User scripts not present or not executable")
1360 CV_ENODEFILESTORAGEPATHS = \
1361 (CV_TNODE, "ENODEFILESTORAGEPATHS", "Detected bad file storage paths")
1363 CV_ALL_ECODES = frozenset([
1366 CV_ECLUSTERFILECHECK,
1367 CV_ECLUSTERDANGLINGNODES,
1368 CV_ECLUSTERDANGLINGINST,
1369 CV_EINSTANCEBADNODE,
1372 CV_EINSTANCEMISSINGDISK,
1373 CV_EINSTANCEFAULTYDISK,
1374 CV_EINSTANCEWRONGNODE,
1375 CV_EINSTANCESPLITGROUPS,
1386 CV_ENODEORPHANINSTANCE,
1394 CV_ENODEUSERSCRIPTS,
1395 CV_ENODEFILESTORAGEPATHS,
1398 CV_ALL_ECODES_STRINGS = frozenset(estr for (_, estr, _) in CV_ALL_ECODES)
1400 # Node verify constants
1401 NV_DRBDHELPER = "drbd-helper"
1402 NV_DRBDLIST = "drbd-list"
1403 NV_FILELIST = "filelist"
1404 NV_HVINFO = "hvinfo"
1405 NV_HYPERVISOR = "hypervisor"
1406 NV_HVPARAMS = "hvparms"
1407 NV_INSTANCELIST = "instancelist"
1408 NV_LVLIST = "lvlist"
1409 NV_MASTERIP = "master-ip"
1410 NV_NODELIST = "nodelist"
1411 NV_NODENETTEST = "node-net-test"
1412 NV_NODESETUP = "nodesetup"
1413 NV_OSLIST = "oslist"
1414 NV_PVLIST = "pvlist"
1416 NV_VERSION = "version"
1417 NV_VGLIST = "vglist"
1418 NV_VMNODES = "vmnodes"
1419 NV_OOB_PATHS = "oob-paths"
1420 NV_BRIDGES = "bridges"
1421 NV_USERSCRIPTS = "user-scripts"
1422 NV_FILE_STORAGE_PATHS = "file-storage-paths"
1425 INSTST_RUNNING = "running"
1426 INSTST_ADMINDOWN = "ADMIN_down"
1427 INSTST_ADMINOFFLINE = "ADMIN_offline"
1428 INSTST_NODEOFFLINE = "ERROR_nodeoffline"
1429 INSTST_NODEDOWN = "ERROR_nodedown"
1430 INSTST_WRONGNODE = "ERROR_wrongnode"
1431 INSTST_ERRORUP = "ERROR_up"
1432 INSTST_ERRORDOWN = "ERROR_down"
1433 INSTST_ALL = frozenset([
1436 INSTST_ADMINOFFLINE,
1446 ADMINST_DOWN = "down"
1447 ADMINST_OFFLINE = "offline"
1448 ADMINST_ALL = frozenset([
1460 NR_ALL = frozenset([
1468 # SSL certificate check constants (in days)
1469 SSL_CERT_EXPIRATION_WARN = 30
1470 SSL_CERT_EXPIRATION_ERROR = 7
1472 # Allocator framework constants
1473 IALLOCATOR_VERSION = 2
1474 IALLOCATOR_DIR_IN = "in"
1475 IALLOCATOR_DIR_OUT = "out"
1476 VALID_IALLOCATOR_DIRECTIONS = frozenset([
1480 IALLOCATOR_MODE_ALLOC = "allocate"
1481 IALLOCATOR_MODE_RELOC = "relocate"
1482 IALLOCATOR_MODE_CHG_GROUP = "change-group"
1483 IALLOCATOR_MODE_NODE_EVAC = "node-evacuate"
1484 IALLOCATOR_MODE_MULTI_ALLOC = "multi-allocate"
1485 VALID_IALLOCATOR_MODES = frozenset([
1486 IALLOCATOR_MODE_ALLOC,
1487 IALLOCATOR_MODE_RELOC,
1488 IALLOCATOR_MODE_CHG_GROUP,
1489 IALLOCATOR_MODE_NODE_EVAC,
1490 IALLOCATOR_MODE_MULTI_ALLOC,
1492 IALLOCATOR_SEARCH_PATH = _autoconf.IALLOCATOR_SEARCH_PATH
1493 DEFAULT_IALLOCATOR_SHORTCUT = "."
1495 IALLOCATOR_NEVAC_PRI = "primary-only"
1496 IALLOCATOR_NEVAC_SEC = "secondary-only"
1497 IALLOCATOR_NEVAC_ALL = "all"
1498 IALLOCATOR_NEVAC_MODES = frozenset([
1499 IALLOCATOR_NEVAC_PRI,
1500 IALLOCATOR_NEVAC_SEC,
1501 IALLOCATOR_NEVAC_ALL,
1505 NODE_EVAC_PRI = "primary-only"
1506 NODE_EVAC_SEC = "secondary-only"
1507 NODE_EVAC_ALL = "all"
1508 NODE_EVAC_MODES = frozenset([
1515 JOB_QUEUE_VERSION = 1
1516 JOB_QUEUE_SIZE_HARD_LIMIT = 5000
1518 JOB_ID_TEMPLATE = r"\d+"
1519 JOB_FILE_RE = re.compile(r"^job-(%s)$" % JOB_ID_TEMPLATE)
1521 # unchanged job return
1522 JOB_NOTCHANGED = "nochange"
1525 JOB_STATUS_QUEUED = "queued"
1526 JOB_STATUS_WAITING = "waiting"
1527 JOB_STATUS_CANCELING = "canceling"
1528 JOB_STATUS_RUNNING = "running"
1529 JOB_STATUS_CANCELED = "canceled"
1530 JOB_STATUS_SUCCESS = "success"
1531 JOB_STATUS_ERROR = "error"
1532 JOBS_PENDING = frozenset([
1535 JOB_STATUS_CANCELING,
1537 JOBS_FINALIZED = frozenset([
1538 JOB_STATUS_CANCELED,
1542 JOB_STATUS_ALL = frozenset([
1544 ]) | JOBS_PENDING | JOBS_FINALIZED
1548 OP_STATUS_QUEUED = "queued"
1549 OP_STATUS_WAITING = "waiting"
1550 OP_STATUS_CANCELING = "canceling"
1551 OP_STATUS_RUNNING = "running"
1553 OP_STATUS_CANCELED = "canceled"
1554 OP_STATUS_SUCCESS = "success"
1555 OP_STATUS_ERROR = "error"
1556 OPS_FINALIZED = frozenset([
1563 OP_PRIO_LOWEST = +19
1564 OP_PRIO_HIGHEST = -20
1570 OP_PRIO_SUBMIT_VALID = frozenset([
1576 OP_PRIO_DEFAULT = OP_PRIO_NORMAL
1578 # Lock recalculate mode
1579 LOCKS_REPLACE = "replace"
1580 LOCKS_APPEND = "append"
1582 # Lock timeout (sum) before we should go into blocking acquire (still
1583 # can be reset by priority change); computed as max time (10 hours)
1584 # before we should actually go into blocking acquire given that we
1585 # start from default priority level; in seconds
1587 LOCK_ATTEMPTS_TIMEOUT = 10 * 3600 / (OP_PRIO_DEFAULT - OP_PRIO_HIGHEST)
1588 LOCK_ATTEMPTS_MAXWAIT = 15.0
1589 LOCK_ATTEMPTS_MINWAIT = 1.0
1591 # Execution log types
1592 ELOG_MESSAGE = "message"
1593 ELOG_REMOTE_IMPORT = "remote-import"
1594 ELOG_JQUEUE_TEST = "jqueue-test"
1596 # /etc/hosts modification
1597 ETC_HOSTS_ADD = "add"
1598 ETC_HOSTS_REMOVE = "remove"
1601 JQT_MSGPREFIX = "TESTMSG="
1602 JQT_EXPANDNAMES = "expandnames"
1604 JQT_LOGMSG = "logmsg"
1605 JQT_STARTMSG = "startmsg"
1606 JQT_ALL = frozenset([
1614 QR_CLUSTER = "cluster"
1615 QR_INSTANCE = "instance"
1621 QR_EXPORT = "export"
1622 QR_NETWORK = "network"
1624 #: List of resources which can be queried using L{opcodes.OpQuery}
1625 QR_VIA_OP = frozenset([
1635 #: List of resources which can be queried using Local UniX Interface
1636 QR_VIA_LUXI = QR_VIA_OP.union([
1641 #: List of resources which can be queried using RAPI
1642 QR_VIA_RAPI = QR_VIA_LUXI
1645 QFT_UNKNOWN = "unknown"
1648 QFT_NUMBER = "number"
1650 QFT_TIMESTAMP = "timestamp"
1653 #: All query field types
1654 QFT_ALL = frozenset([
1664 # Query result field status (don't change or reuse values as they're used by
1666 #: Normal field status
1670 #: No data (e.g. RPC error), can be used instead of L{RS_OFFLINE}
1672 #: Value unavailable/unsupported for item; if this field is supported
1673 #: but we cannot get the data for the moment, RS_NODATA or
1674 #: RS_OFFLINE should be used
1676 #: Resource marked offline
1679 RS_ALL = frozenset([
1687 #: Dictionary with special field cases and their verbose/terse formatting
1689 RS_UNKNOWN: ("(unknown)", "??"),
1690 RS_NODATA: ("(nodata)", "?"),
1691 RS_OFFLINE: ("(offline)", "*"),
1692 RS_UNAVAIL: ("(unavail)", "-"),
1695 # max dynamic devices
1699 # SSCONF file prefix
1700 SSCONF_FILEPREFIX = "ssconf_"
1702 SS_CLUSTER_NAME = "cluster_name"
1703 SS_CLUSTER_TAGS = "cluster_tags"
1704 SS_FILE_STORAGE_DIR = "file_storage_dir"
1705 SS_SHARED_FILE_STORAGE_DIR = "shared_file_storage_dir"
1706 SS_MASTER_CANDIDATES = "master_candidates"
1707 SS_MASTER_CANDIDATES_IPS = "master_candidates_ips"
1708 SS_MASTER_IP = "master_ip"
1709 SS_MASTER_NETDEV = "master_netdev"
1710 SS_MASTER_NETMASK = "master_netmask"
1711 SS_MASTER_NODE = "master_node"
1712 SS_NODE_LIST = "node_list"
1713 SS_NODE_PRIMARY_IPS = "node_primary_ips"
1714 SS_NODE_SECONDARY_IPS = "node_secondary_ips"
1715 SS_OFFLINE_NODES = "offline_nodes"
1716 SS_ONLINE_NODES = "online_nodes"
1717 SS_PRIMARY_IP_FAMILY = "primary_ip_family"
1718 SS_INSTANCE_LIST = "instance_list"
1719 SS_RELEASE_VERSION = "release_version"
1720 SS_HYPERVISOR_LIST = "hypervisor_list"
1721 SS_MAINTAIN_NODE_HEALTH = "maintain_node_health"
1722 SS_UID_POOL = "uid_pool"
1723 SS_NODEGROUPS = "nodegroups"
1724 SS_NETWORKS = "networks"
1726 SS_FILE_PERMS = 0444
1728 # cluster wide default parameters
1729 DEFAULT_ENABLED_HYPERVISOR = HT_XEN_PVM
1733 HV_USE_BOOTLOADER: False,
1734 HV_BOOTLOADER_PATH: XEN_BOOTLOADER,
1735 HV_BOOTLOADER_ARGS: "",
1736 HV_KERNEL_PATH: XEN_KERNEL,
1738 HV_ROOT_PATH: "/dev/sda1",
1739 HV_KERNEL_ARGS: "ro",
1740 HV_MIGRATION_PORT: 8002,
1741 HV_MIGRATION_MODE: HT_MIGRATION_LIVE,
1742 HV_BLOCKDEV_PREFIX: "sd",
1743 HV_REBOOT_BEHAVIOR: INSTANCE_REBOOT_ALLOWED,
1744 HV_CPU_MASK: CPU_PINNING_ALL,
1749 HV_BOOT_ORDER: "cd",
1750 HV_CDROM_IMAGE_PATH: "",
1751 HV_NIC_TYPE: HT_NIC_RTL8139,
1752 HV_DISK_TYPE: HT_DISK_PARAVIRTUAL,
1753 HV_VNC_BIND_ADDRESS: IP4_ADDRESS_ANY,
1754 HV_VNC_PASSWORD_FILE: pathutils.VNC_PASSWORD_FILE,
1757 HV_KERNEL_PATH: "/usr/lib/xen/boot/hvmloader",
1758 HV_DEVICE_MODEL: "/usr/lib/xen/bin/qemu-dm",
1759 HV_MIGRATION_PORT: 8002,
1760 HV_MIGRATION_MODE: HT_MIGRATION_NONLIVE,
1761 HV_USE_LOCALTIME: False,
1762 HV_BLOCKDEV_PREFIX: "hd",
1764 HV_REBOOT_BEHAVIOR: INSTANCE_REBOOT_ALLOWED,
1765 HV_CPU_MASK: CPU_PINNING_ALL,
1770 HV_KERNEL_PATH: KVM_KERNEL,
1772 HV_KERNEL_ARGS: "ro",
1773 HV_ROOT_PATH: "/dev/vda1",
1775 HV_SERIAL_CONSOLE: True,
1776 HV_VNC_BIND_ADDRESS: "",
1779 HV_VNC_X509_VERIFY: False,
1780 HV_VNC_PASSWORD_FILE: "",
1781 HV_KVM_SPICE_BIND: "",
1782 HV_KVM_SPICE_IP_VERSION: IFACE_NO_IP_VERSION_SPECIFIED,
1783 HV_KVM_SPICE_PASSWORD_FILE: "",
1784 HV_KVM_SPICE_LOSSLESS_IMG_COMPR: "",
1785 HV_KVM_SPICE_JPEG_IMG_COMPR: "",
1786 HV_KVM_SPICE_ZLIB_GLZ_IMG_COMPR: "",
1787 HV_KVM_SPICE_STREAMING_VIDEO_DETECTION: "",
1788 HV_KVM_SPICE_AUDIO_COMPR: True,
1789 HV_KVM_SPICE_USE_TLS: False,
1790 HV_KVM_SPICE_TLS_CIPHERS: OPENSSL_CIPHERS,
1791 HV_KVM_SPICE_USE_VDAGENT: True,
1792 HV_KVM_FLOPPY_IMAGE_PATH: "",
1793 HV_CDROM_IMAGE_PATH: "",
1794 HV_KVM_CDROM2_IMAGE_PATH: "",
1795 HV_BOOT_ORDER: HT_BO_DISK,
1796 HV_NIC_TYPE: HT_NIC_PARAVIRTUAL,
1797 HV_DISK_TYPE: HT_DISK_PARAVIRTUAL,
1798 HV_KVM_CDROM_DISK_TYPE: "",
1801 HV_MIGRATION_PORT: 8102,
1802 HV_MIGRATION_BANDWIDTH: 32, # MiB/s
1803 HV_MIGRATION_DOWNTIME: 30, # ms
1804 HV_MIGRATION_MODE: HT_MIGRATION_LIVE,
1805 HV_USE_LOCALTIME: False,
1806 HV_DISK_CACHE: HT_CACHE_DEFAULT,
1807 HV_SECURITY_MODEL: HT_SM_NONE,
1808 HV_SECURITY_DOMAIN: "",
1810 HV_VHOST_NET: False,
1811 HV_KVM_USE_CHROOT: False,
1813 HV_REBOOT_BEHAVIOR: INSTANCE_REBOOT_ALLOWED,
1814 HV_CPU_MASK: CPU_PINNING_ALL,
1819 HV_INIT_SCRIPT: "/ganeti-chroot",
1826 HVC_GLOBALS = frozenset([
1828 HV_MIGRATION_BANDWIDTH,
1836 BE_AUTO_BALANCE: True,
1837 BE_ALWAYS_FAILOVER: False,
1843 ND_SPINDLE_COUNT: 1,
1846 DISK_LD_DEFAULTS = {
1848 LDP_RESYNC_RATE: CLASSIC_DRBD_SYNC_SPEED,
1849 LDP_BARRIERS: _autoconf.DRBD_BARRIERS,
1850 LDP_NO_META_FLUSH: _autoconf.DRBD_NO_META_FLUSH,
1851 LDP_DEFAULT_METAVG: DEFAULT_VG,
1852 LDP_DISK_CUSTOM: "",
1854 LDP_DYNAMIC_RESYNC: False,
1856 # The default values for the DRBD dynamic resync speed algorithm are taken
1857 # from the drbsetup 8.3.11 man page, except for c-plan-ahead (that we
1858 # don't need to set to 0, because we have a separate option to enable it)
1859 # and for c-max-rate, that we cap to the default value for the static resync
1861 LDP_PLAN_AHEAD: 20, # ds
1862 LDP_FILL_TARGET: 0, # sectors
1863 LDP_DELAY_TARGET: 1, # ds
1864 LDP_MAX_RATE: CLASSIC_DRBD_SYNC_SPEED, # KiB/s
1865 LDP_MIN_RATE: 4 * 1024, # KiB/s
1868 LDP_STRIPES: _autoconf.LVM_STRIPECOUNT
1877 # readability shortcuts
1878 _LV_DEFAULTS = DISK_LD_DEFAULTS[LD_LV]
1879 _DRBD_DEFAULTS = DISK_LD_DEFAULTS[LD_DRBD8]
1881 DISK_DT_DEFAULTS = {
1883 LV_STRIPES: DISK_LD_DEFAULTS[LD_LV][LDP_STRIPES],
1886 DRBD_RESYNC_RATE: _DRBD_DEFAULTS[LDP_RESYNC_RATE],
1887 DRBD_DATA_STRIPES: _LV_DEFAULTS[LDP_STRIPES],
1888 DRBD_META_STRIPES: _LV_DEFAULTS[LDP_STRIPES],
1889 DRBD_DISK_BARRIERS: _DRBD_DEFAULTS[LDP_BARRIERS],
1890 DRBD_META_BARRIERS: _DRBD_DEFAULTS[LDP_NO_META_FLUSH],
1891 DRBD_DEFAULT_METAVG: _DRBD_DEFAULTS[LDP_DEFAULT_METAVG],
1892 DRBD_DISK_CUSTOM: _DRBD_DEFAULTS[LDP_DISK_CUSTOM],
1893 DRBD_NET_CUSTOM: _DRBD_DEFAULTS[LDP_NET_CUSTOM],
1894 DRBD_DYNAMIC_RESYNC: _DRBD_DEFAULTS[LDP_DYNAMIC_RESYNC],
1895 DRBD_PLAN_AHEAD: _DRBD_DEFAULTS[LDP_PLAN_AHEAD],
1896 DRBD_FILL_TARGET: _DRBD_DEFAULTS[LDP_FILL_TARGET],
1897 DRBD_DELAY_TARGET: _DRBD_DEFAULTS[LDP_DELAY_TARGET],
1898 DRBD_MAX_RATE: _DRBD_DEFAULTS[LDP_MAX_RATE],
1899 DRBD_MIN_RATE: _DRBD_DEFAULTS[LDP_MIN_RATE],
1906 RBD_POOL: DISK_LD_DEFAULTS[LD_RBD][LDP_POOL]
1910 # we don't want to export the shortcuts
1911 del _LV_DEFAULTS, _DRBD_DEFAULTS
1914 NIC_MODE: NIC_MODE_BRIDGED,
1915 NIC_LINK: DEFAULT_BRIDGE,
1918 # All of the following values are quite arbitrarily - there are no
1919 # "good" defaults, these must be customised per-site
1920 IPOLICY_DEFAULTS = {
1922 ISPEC_MEM_SIZE: 128,
1924 ISPEC_DISK_COUNT: 1,
1925 ISPEC_DISK_SIZE: 1024,
1927 ISPEC_SPINDLE_USE: 1,
1930 ISPEC_MEM_SIZE: 32768,
1932 ISPEC_DISK_COUNT: MAX_DISKS,
1933 ISPEC_DISK_SIZE: 1024 * 1024,
1934 ISPEC_NIC_COUNT: MAX_NICS,
1935 ISPEC_SPINDLE_USE: 12,
1938 ISPEC_MEM_SIZE: 128,
1940 ISPEC_DISK_COUNT: 1,
1941 ISPEC_DISK_SIZE: 1024,
1943 ISPEC_SPINDLE_USE: 1,
1945 IPOLICY_DTS: DISK_TEMPLATES,
1946 IPOLICY_VCPU_RATIO: 4.0,
1947 IPOLICY_SPINDLE_RATIO: 32.0,
1950 MASTER_POOL_SIZE_DEFAULT = 10
1952 CONFD_PROTOCOL_VERSION = 1
1955 CONFD_REQ_NODE_ROLE_BYNAME = 1
1956 CONFD_REQ_NODE_PIP_BY_INSTANCE_IP = 2
1957 CONFD_REQ_CLUSTER_MASTER = 3
1958 CONFD_REQ_NODE_PIP_LIST = 4
1959 CONFD_REQ_MC_PIP_LIST = 5
1960 CONFD_REQ_INSTANCES_IPS_LIST = 6
1961 CONFD_REQ_NODE_DRBD = 7
1963 # Confd request query fields. These are used to narrow down queries.
1964 # These must be strings rather than integers, because json-encoding
1965 # converts them to strings anyway, as they're used as dict-keys.
1966 CONFD_REQQ_LINK = "0"
1968 CONFD_REQQ_IPLIST = "2"
1969 CONFD_REQQ_FIELDS = "3"
1971 CONFD_REQFIELD_NAME = "0"
1972 CONFD_REQFIELD_IP = "1"
1973 CONFD_REQFIELD_MNODE_PIP = "2"
1975 CONFD_REQS = frozenset([
1977 CONFD_REQ_NODE_ROLE_BYNAME,
1978 CONFD_REQ_NODE_PIP_BY_INSTANCE_IP,
1979 CONFD_REQ_CLUSTER_MASTER,
1980 CONFD_REQ_NODE_PIP_LIST,
1981 CONFD_REQ_MC_PIP_LIST,
1982 CONFD_REQ_INSTANCES_IPS_LIST,
1983 CONFD_REQ_NODE_DRBD,
1986 CONFD_REPL_STATUS_OK = 0
1987 CONFD_REPL_STATUS_ERROR = 1
1988 CONFD_REPL_STATUS_NOTIMPLEMENTED = 2
1990 CONFD_REPL_STATUSES = frozenset([
1991 CONFD_REPL_STATUS_OK,
1992 CONFD_REPL_STATUS_ERROR,
1993 CONFD_REPL_STATUS_NOTIMPLEMENTED,
1996 (CONFD_NODE_ROLE_MASTER,
1997 CONFD_NODE_ROLE_CANDIDATE,
1998 CONFD_NODE_ROLE_OFFLINE,
1999 CONFD_NODE_ROLE_DRAINED,
2000 CONFD_NODE_ROLE_REGULAR,
2003 # A few common errors for confd
2004 CONFD_ERROR_UNKNOWN_ENTRY = 1
2005 CONFD_ERROR_INTERNAL = 2
2006 CONFD_ERROR_ARGUMENT = 3
2008 # Each request is "salted" by the current timestamp.
2009 # This constants decides how many seconds of skew to accept.
2010 # TODO: make this a default and allow the value to be more configurable
2011 CONFD_MAX_CLOCK_SKEW = 2 * NODE_MAX_CLOCK_SKEW
2013 # When we haven't reloaded the config for more than this amount of seconds, we
2014 # force a test to see if inotify is betraying us.
2015 CONFD_CONFIG_RELOAD_TIMEOUT = 60
2017 # If we receive more than one update in this amount of seconds, we move to
2018 # polling every RATELIMIT seconds, rather than relying on inotify, to be able
2019 # to serve more requests.
2020 CONFD_CONFIG_RELOAD_RATELIMIT = 2
2022 # Magic number prepended to all confd queries.
2023 # This allows us to distinguish different types of confd protocols and handle
2024 # them. For example by changing this we can move the whole payload to be
2025 # compressed, or move away from json.
2026 CONFD_MAGIC_FOURCC = "plj0"
2028 # By default a confd request is sent to the minimum between this number and all
2029 # MCs. 6 was chosen because even in the case of a disastrous 50% response rate,
2030 # we should have enough answers to be able to compare more than one.
2031 CONFD_DEFAULT_REQ_COVERAGE = 6
2033 # Timeout in seconds to expire pending query request in the confd client
2034 # library. We don't actually expect any answer more than 10 seconds after we
2036 CONFD_CLIENT_EXPIRE_TIMEOUT = 10
2038 # Maximum UDP datagram size.
2039 # On IPv4: 64K - 20 (ip header size) - 8 (udp header size) = 65507
2040 # On IPv6: 64K - 40 (ip6 header size) - 8 (udp header size) = 65487
2041 # (assuming we can't use jumbo frames)
2042 # We just set this to 60K, which should be enough
2043 MAX_UDP_DATA_SIZE = 61440
2045 # User-id pool minimum/maximum acceptable user-ids.
2047 UIDPOOL_UID_MAX = 2 ** 32 - 1 # Assuming 32 bit user-ids
2049 # Name or path of the pgrep command
2052 # Name of the node group that gets created at cluster init or upgrade
2053 INITIAL_NODE_GROUP_NAME = "default"
2055 # Possible values for NodeGroup.alloc_policy
2056 ALLOC_POLICY_PREFERRED = "preferred"
2057 ALLOC_POLICY_LAST_RESORT = "last_resort"
2058 ALLOC_POLICY_UNALLOCABLE = "unallocable"
2059 VALID_ALLOC_POLICIES = [
2060 ALLOC_POLICY_PREFERRED,
2061 ALLOC_POLICY_LAST_RESORT,
2062 ALLOC_POLICY_UNALLOCABLE,
2065 # Temporary external/shared storage parameters
2066 BLOCKDEV_DRIVER_MANUAL = "manual"
2068 # qemu-img path, required for ovfconverter
2069 QEMUIMG_PATH = _autoconf.QEMUIMG_PATH
2071 # Whether htools was enabled at compilation time
2072 HTOOLS = _autoconf.HTOOLS
2073 # The hail iallocator
2074 IALLOC_HAIL = "hail"
2076 # Fake opcodes for functions that have hooks attached to them via
2077 # backend.RunLocalHooks
2078 FAKE_OP_MASTER_TURNUP = "OP_CLUSTER_IP_TURNUP"
2079 FAKE_OP_MASTER_TURNDOWN = "OP_CLUSTER_IP_TURNDOWN"
2084 SSHK_ALL = frozenset([SSHK_RSA, SSHK_DSA])
2086 # SSH authorized key types
2087 SSHAK_RSA = "ssh-rsa"
2088 SSHAK_DSS = "ssh-dss"
2089 SSHAK_ALL = frozenset([SSHAK_RSA, SSHAK_DSS])
2092 SSHS_CLUSTER_NAME = "cluster_name"
2093 SSHS_SSH_HOST_KEY = "ssh_host_key"
2094 SSHS_SSH_ROOT_KEY = "ssh_root_key"
2095 SSHS_NODE_DAEMON_CERTIFICATE = "node_daemon_certificate"
2097 #: Key files for SSH daemon
2098 SSH_DAEMON_KEYFILES = {
2099 SSHK_RSA: (pathutils.SSH_HOST_RSA_PRIV, pathutils.SSH_HOST_RSA_PUB),
2100 SSHK_DSA: (pathutils.SSH_HOST_DSA_PRIV, pathutils.SSH_HOST_DSA_PUB),
2104 NDS_CLUSTER_NAME = "cluster_name"
2105 NDS_NODE_DAEMON_CERTIFICATE = "node_daemon_certificate"
2106 NDS_SSCONF = "ssconf"
2107 NDS_START_NODE_DAEMON = "start_node_daemon"
2109 # Do not re-export imported modules
2110 del re, _vcsversion, _autoconf, socket, pathutils