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 ETC_HOSTS = "/etc/hosts"
140 ENABLE_FILE_STORAGE = _autoconf.ENABLE_FILE_STORAGE
141 ENABLE_SHARED_FILE_STORAGE = _autoconf.ENABLE_SHARED_FILE_STORAGE
142 ENABLE_CONFD = _autoconf.ENABLE_CONFD
143 ENABLE_SPLIT_QUERY = _autoconf.ENABLE_SPLIT_QUERY
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
202 KVM_PATH = _autoconf.KVM_PATH
203 KVM_KERNEL = _autoconf.KVM_KERNEL
204 SOCAT_PATH = _autoconf.SOCAT_PATH
205 SOCAT_USE_ESCAPE = _autoconf.SOCAT_USE_ESCAPE
206 SOCAT_USE_COMPRESS = _autoconf.SOCAT_USE_COMPRESS
207 SOCAT_ESCAPE_CODE = "0x1d"
209 #: Console as SSH command
212 #: Console as VNC server
215 #: Console as SPICE server
218 #: Display a message for console access
222 CONS_ALL = frozenset([CONS_SSH, CONS_VNC, CONS_SPICE, CONS_MESSAGE])
224 # For RSA keys more bits are better, but they also make operations more
225 # expensive. NIST SP 800-131 recommends a minimum of 2048 bits from the year
229 # Ciphers allowed for SSL connections. For the format, see ciphers(1). A better
230 # way to disable ciphers would be to use the exclamation mark (!), but socat
231 # versions below 1.5 can't parse exclamation marks in options properly. When
232 # modifying the ciphers, ensure not to accidentially add something after it's
233 # been removed. Use the "openssl" utility to check the allowed ciphers, e.g.
234 # "openssl ciphers -v HIGH:-DES".
235 OPENSSL_CIPHERS = "HIGH:-DES:-3DES:-EXPORT:-ADH"
237 # Digest used to sign certificates ("openssl x509" uses SHA1 by default)
238 X509_CERT_SIGN_DIGEST = "SHA1"
240 # Default validity of certificates in days
241 X509_CERT_DEFAULT_VALIDITY = 365 * 5
243 # commonName (CN) used in certificates
244 X509_CERT_CN = "ganeti.example.com"
246 X509_CERT_SIGNATURE_HEADER = "X-Ganeti-Signature"
248 # Import/export daemon mode
249 IEM_IMPORT = "import"
250 IEM_EXPORT = "export"
252 # Import/export transport compression
255 IEC_ALL = frozenset([
260 IE_CUSTOM_SIZE = "fd"
262 IE_MAGIC_RE = re.compile(r"^[-_.a-zA-Z0-9]{5,100}$")
265 # Direct file I/O, equivalent to a shell's I/O redirection using '<' or '>'
267 # Raw block device I/O using "dd"
268 IEIO_RAW_DISK = "raw"
269 # OS definition import/export script
270 IEIO_SCRIPT = "script"
272 VALUE_DEFAULT = "default"
274 VALUE_GENERATE = "generate"
277 VALUE_FALSE = "false"
279 # External script validation mask
280 EXT_PLUGIN_MASK = re.compile("^[a-zA-Z0-9_-]+$")
282 # hooks-related constants
283 HOOKS_PHASE_PRE = "pre"
284 HOOKS_PHASE_POST = "post"
285 HOOKS_NAME_CFGUPDATE = "config-update"
286 HOOKS_NAME_WATCHER = "watcher"
288 HOOKS_PATH = "/sbin:/bin:/usr/sbin:/usr/bin"
290 # hooks subject type (what object type does the LU deal with)
291 HTYPE_CLUSTER = "CLUSTER"
293 HTYPE_GROUP = "GROUP"
294 HTYPE_INSTANCE = "INSTANCE"
306 # first two are valid in LU context only, not passed to backend
309 # and the rest are valid in backend
314 SF_ALLOCATABLE = "allocatable"
317 SO_FIX_CONSISTENCY = "fix-consistency"
319 # Available fields per storage type
320 VALID_STORAGE_FIELDS = frozenset([
329 VALID_STORAGE_TYPES = frozenset([ST_FILE, ST_LVM_PV, ST_LVM_VG])
331 MODIFIABLE_STORAGE_FIELDS = {
332 ST_LVM_PV: frozenset([SF_ALLOCATABLE]),
335 VALID_STORAGE_OPERATIONS = {
336 ST_LVM_VG: frozenset([SO_FIX_CONSISTENCY]),
340 # Note: Code depends on LDS_OKAY < LDS_UNKNOWN < LDS_FAULTY
343 LDS_FAULTY) = range(1, 4)
345 # disk template types
346 DT_DISKLESS = "diskless"
350 DT_SHARED_FILE = "sharedfile"
351 DT_BLOCK = "blockdev"
354 # the set of network-mirrored disk templates
355 DTS_INT_MIRROR = frozenset([DT_DRBD8])
357 # the set of externally-mirrored disk templates (e.g. SAN, NAS)
358 DTS_EXT_MIRROR = frozenset([DT_SHARED_FILE, DT_BLOCK, DT_RBD])
360 # the set of non-lvm-based disk templates
361 DTS_NOT_LVM = frozenset([DT_DISKLESS, DT_FILE, DT_SHARED_FILE,
364 # the set of disk templates which can be grown
365 DTS_GROWABLE = frozenset([DT_PLAIN, DT_DRBD8, DT_FILE, DT_SHARED_FILE, DT_RBD])
367 # the set of disk templates that allow adoption
368 DTS_MAY_ADOPT = frozenset([DT_PLAIN, DT_BLOCK])
370 # the set of disk templates that *must* use adoption
371 DTS_MUST_ADOPT = frozenset([DT_BLOCK])
373 # the set of disk templates that allow migrations
374 DTS_MIRRORED = frozenset.union(DTS_INT_MIRROR, DTS_EXT_MIRROR)
376 # the set of file based disk templates
377 DTS_FILEBASED = frozenset([DT_FILE, DT_SHARED_FILE])
383 LD_BLOCKDEV = "blockdev"
385 LOGICAL_DISK_TYPES = frozenset([
393 LDS_BLOCK = frozenset([LD_LV, LD_DRBD8, LD_BLOCKDEV, LD_RBD])
396 DRBD_HMAC_ALG = "md5"
397 DRBD_NET_PROTOCOL = "C"
399 #: Size of DRBD meta block device
404 DRBD_B_DISK_BARRIERS = "b"
405 DRBD_B_DISK_DRAIN = "d"
406 DRBD_B_DISK_FLUSH = "f"
408 # Valid barrier combinations: "n" or any non-null subset of "bfd"
409 DRBD_VALID_BARRIER_OPT = frozenset([
410 frozenset([DRBD_B_NONE]),
411 frozenset([DRBD_B_DISK_BARRIERS]),
412 frozenset([DRBD_B_DISK_DRAIN]),
413 frozenset([DRBD_B_DISK_FLUSH]),
414 frozenset([DRBD_B_DISK_DRAIN, DRBD_B_DISK_FLUSH]),
415 frozenset([DRBD_B_DISK_DRAIN, DRBD_B_DISK_FLUSH]),
416 frozenset([DRBD_B_DISK_BARRIERS, DRBD_B_DISK_DRAIN]),
417 frozenset([DRBD_B_DISK_BARRIERS, DRBD_B_DISK_FLUSH]),
418 frozenset([DRBD_B_DISK_BARRIERS, DRBD_B_DISK_FLUSH, DRBD_B_DISK_DRAIN]),
424 # file backend driver
428 # the set of drbd-like disk types
429 LDS_DRBD = frozenset([LD_DRBD8])
434 DISK_ACCESS_SET = frozenset([DISK_RDONLY, DISK_RDWR])
436 # disk replacement mode
437 REPLACE_DISK_PRI = "replace_on_primary" # replace disks on primary
438 REPLACE_DISK_SEC = "replace_on_secondary" # replace disks on secondary
439 REPLACE_DISK_CHG = "replace_new_secondary" # change secondary node
440 REPLACE_DISK_AUTO = "replace_auto"
441 REPLACE_MODES = frozenset([
448 # Instance export mode
449 EXPORT_MODE_LOCAL = "local"
450 EXPORT_MODE_REMOTE = "remote"
451 EXPORT_MODES = frozenset([
456 # instance creation modes
457 INSTANCE_CREATE = "create"
458 INSTANCE_IMPORT = "import"
459 INSTANCE_REMOTE_IMPORT = "remote-import"
460 INSTANCE_CREATE_MODES = frozenset([
463 INSTANCE_REMOTE_IMPORT,
466 # Remote import/export handshake message and version
468 RIE_HANDSHAKE = "Hi, I'm Ganeti"
470 # Remote import/export certificate validity in seconds
471 RIE_CERT_VALIDITY = 24 * 60 * 60
473 # Overall timeout for establishing connection
474 RIE_CONNECT_TIMEOUT = 180
476 # Export only: how long to wait per connection attempt (seconds)
477 RIE_CONNECT_ATTEMPT_TIMEOUT = 20
479 # Export only: number of attempts to connect
480 RIE_CONNECT_RETRIES = 10
482 #: Give child process up to 5 seconds to exit after sending a signal
483 CHILD_LINGER_TIMEOUT = 5.0
485 DISK_TEMPLATES = frozenset([
495 FILE_DRIVER = frozenset([FD_LOOP, FD_BLKTAP])
497 # import/export config options
498 INISECT_EXP = "export"
499 INISECT_INS = "instance"
500 INISECT_HYP = "hypervisor"
501 INISECT_BEP = "backend"
504 # dynamic device modification
506 DDM_MODIFY = "modify"
507 DDM_REMOVE = "remove"
508 DDMS_VALUES = frozenset([DDM_ADD, DDM_REMOVE])
509 DDMS_VALUES_WITH_MODIFY = (DDMS_VALUES | frozenset([
512 # TODO: DDM_SWAP, DDM_MOVE?
519 EXIT_NODESETUP_ERROR = 12
520 EXIT_CONFIRMATION = 13 # need user confirmation
522 #: Exit code for query operations with unknown fields
523 EXIT_UNKNOWN_FIELD = 14
526 TAG_CLUSTER = "cluster"
527 TAG_NODEGROUP = "nodegroup"
529 TAG_INSTANCE = "instance"
530 VALID_TAG_TYPES = frozenset([
537 MAX_TAGS_PER_OBJ = 4096
540 DEFAULT_BRIDGE = "xen-br0"
541 CLASSIC_DRBD_SYNC_SPEED = 60 * 1024 # 60 MiB, expressed in KiB
542 IP4_ADDRESS_LOCALHOST = "127.0.0.1"
543 IP4_ADDRESS_ANY = "0.0.0.0"
544 IP6_ADDRESS_LOCALHOST = "::1"
545 IP6_ADDRESS_ANY = "::"
548 VALID_IP_VERSIONS = frozenset([IP4_VERSION, IP6_VERSION])
549 # for export to htools
550 IP4_FAMILY = socket.AF_INET
551 IP6_FAMILY = socket.AF_INET6
553 TCP_PING_TIMEOUT = 10
555 DEFAULT_DRBD_HELPER = "/bin/true"
557 DEFAULT_MAC_PREFIX = "aa:00:00"
558 # default maximum instance wait time, in seconds.
559 DEFAULT_SHUTDOWN_TIMEOUT = 120
560 NODE_MAX_CLOCK_SKEW = 150
561 # Time for an intra-cluster disk transfer to wait for a connection
562 DISK_TRANSFER_CONNECT_TIMEOUT = 60
563 # Disk index separator
564 DISK_SEPARATOR = _autoconf.DISK_SEPARATOR
565 IP_COMMAND_PATH = _autoconf.IP_PATH
567 #: Key for job IDs in opcode result
573 RUNPARTS_ERR) = range(3)
575 RUNPARTS_STATUS = frozenset([RUNPARTS_SKIP, RUNPARTS_RUN, RUNPARTS_ERR])
579 RPC_ENCODING_ZLIB_BASE64) = range(2)
581 # Various time constants for the timeout table
582 RPC_TMO_URGENT = 60 # one minute
583 RPC_TMO_FAST = 5 * 60 # five minutes
584 RPC_TMO_NORMAL = 15 * 60 # 15 minutes
585 RPC_TMO_SLOW = 3600 # one hour
586 RPC_TMO_4HRS = 4 * 3600
589 # Timeout for connecting to nodes (seconds)
590 RPC_CONNECT_TIMEOUT = 5
592 # os related constants
593 OS_SCRIPT_CREATE = "create"
594 OS_SCRIPT_IMPORT = "import"
595 OS_SCRIPT_EXPORT = "export"
596 OS_SCRIPT_RENAME = "rename"
597 OS_SCRIPT_VERIFY = "verify"
598 OS_SCRIPTS = frozenset([
606 OS_API_FILE = "ganeti_api_version"
607 OS_VARIANTS_FILE = "variants.list"
608 OS_PARAMETERS_FILE = "parameters.list"
610 OS_VALIDATE_PARAMETERS = "parameters"
611 OS_VALIDATE_CALLS = frozenset([OS_VALIDATE_PARAMETERS])
618 INSTANCE_REBOOT_SOFT = "soft"
619 INSTANCE_REBOOT_HARD = "hard"
620 INSTANCE_REBOOT_FULL = "full"
622 REBOOT_TYPES = frozenset([
623 INSTANCE_REBOOT_SOFT,
624 INSTANCE_REBOOT_HARD,
628 # instance reboot behaviors
629 INSTANCE_REBOOT_ALLOWED = "reboot"
630 INSTANCE_REBOOT_EXIT = "exit"
632 REBOOT_BEHAVIORS = frozenset([
633 INSTANCE_REBOOT_ALLOWED,
637 VTYPE_STRING = "string"
638 VTYPE_MAYBE_STRING = "maybe-string"
640 VTYPE_SIZE = "size" # size, in MiBs
642 ENFORCEABLE_TYPES = frozenset([
650 # Constant representing that the user does not specify any IP version
651 IFACE_NO_IP_VERSION_SPECIFIED = 0
653 # HV parameter names (global namespace)
654 HV_BOOT_ORDER = "boot_order"
655 HV_CDROM_IMAGE_PATH = "cdrom_image_path"
656 HV_KVM_CDROM2_IMAGE_PATH = "cdrom2_image_path"
657 HV_KVM_FLOPPY_IMAGE_PATH = "floppy_image_path"
658 HV_NIC_TYPE = "nic_type"
659 HV_DISK_TYPE = "disk_type"
660 HV_KVM_CDROM_DISK_TYPE = "cdrom_disk_type"
661 HV_VNC_BIND_ADDRESS = "vnc_bind_address"
662 HV_VNC_PASSWORD_FILE = "vnc_password_file"
663 HV_VNC_TLS = "vnc_tls"
664 HV_VNC_X509 = "vnc_x509_path"
665 HV_VNC_X509_VERIFY = "vnc_x509_verify"
666 HV_KVM_SPICE_BIND = "spice_bind"
667 HV_KVM_SPICE_IP_VERSION = "spice_ip_version"
668 HV_KVM_SPICE_PASSWORD_FILE = "spice_password_file"
669 HV_KVM_SPICE_LOSSLESS_IMG_COMPR = "spice_image_compression"
670 HV_KVM_SPICE_JPEG_IMG_COMPR = "spice_jpeg_wan_compression"
671 HV_KVM_SPICE_ZLIB_GLZ_IMG_COMPR = "spice_zlib_glz_wan_compression"
672 HV_KVM_SPICE_STREAMING_VIDEO_DETECTION = "spice_streaming_video"
673 HV_KVM_SPICE_AUDIO_COMPR = "spice_playback_compression"
674 HV_KVM_SPICE_USE_TLS = "spice_use_tls"
675 HV_KVM_SPICE_TLS_CIPHERS = "spice_tls_ciphers"
676 HV_KVM_SPICE_USE_VDAGENT = "spice_use_vdagent"
679 HV_USE_BOOTLOADER = "use_bootloader"
680 HV_BOOTLOADER_ARGS = "bootloader_args"
681 HV_BOOTLOADER_PATH = "bootloader_path"
682 HV_KERNEL_ARGS = "kernel_args"
683 HV_KERNEL_PATH = "kernel_path"
684 HV_INITRD_PATH = "initrd_path"
685 HV_ROOT_PATH = "root_path"
686 HV_SERIAL_CONSOLE = "serial_console"
687 HV_USB_MOUSE = "usb_mouse"
689 HV_DEVICE_MODEL = "device_model"
690 HV_INIT_SCRIPT = "init_script"
691 HV_MIGRATION_PORT = "migration_port"
692 HV_MIGRATION_BANDWIDTH = "migration_bandwidth"
693 HV_MIGRATION_DOWNTIME = "migration_downtime"
694 HV_MIGRATION_MODE = "migration_mode"
695 HV_USE_LOCALTIME = "use_localtime"
696 HV_DISK_CACHE = "disk_cache"
697 HV_SECURITY_MODEL = "security_model"
698 HV_SECURITY_DOMAIN = "security_domain"
699 HV_KVM_FLAG = "kvm_flag"
700 HV_VHOST_NET = "vhost_net"
701 HV_KVM_USE_CHROOT = "use_chroot"
702 HV_CPU_MASK = "cpu_mask"
703 HV_MEM_PATH = "mem_path"
704 HV_PASSTHROUGH = "pci_pass"
705 HV_BLOCKDEV_PREFIX = "blockdev_prefix"
706 HV_REBOOT_BEHAVIOR = "reboot_behavior"
707 HV_CPU_TYPE = "cpu_type"
709 HVS_PARAMETER_TYPES = {
710 HV_BOOT_ORDER: VTYPE_STRING,
711 HV_KVM_FLOPPY_IMAGE_PATH: VTYPE_STRING,
712 HV_CDROM_IMAGE_PATH: VTYPE_STRING,
713 HV_KVM_CDROM2_IMAGE_PATH: VTYPE_STRING,
714 HV_NIC_TYPE: VTYPE_STRING,
715 HV_DISK_TYPE: VTYPE_STRING,
716 HV_KVM_CDROM_DISK_TYPE: VTYPE_STRING,
717 HV_VNC_PASSWORD_FILE: VTYPE_STRING,
718 HV_VNC_BIND_ADDRESS: VTYPE_STRING,
719 HV_VNC_TLS: VTYPE_BOOL,
720 HV_VNC_X509: VTYPE_STRING,
721 HV_VNC_X509_VERIFY: VTYPE_BOOL,
722 HV_KVM_SPICE_BIND: VTYPE_STRING,
723 HV_KVM_SPICE_IP_VERSION: VTYPE_INT,
724 HV_KVM_SPICE_PASSWORD_FILE: VTYPE_STRING,
725 HV_KVM_SPICE_LOSSLESS_IMG_COMPR: VTYPE_STRING,
726 HV_KVM_SPICE_JPEG_IMG_COMPR: VTYPE_STRING,
727 HV_KVM_SPICE_ZLIB_GLZ_IMG_COMPR: VTYPE_STRING,
728 HV_KVM_SPICE_STREAMING_VIDEO_DETECTION: VTYPE_STRING,
729 HV_KVM_SPICE_AUDIO_COMPR: VTYPE_BOOL,
730 HV_KVM_SPICE_USE_TLS: VTYPE_BOOL,
731 HV_KVM_SPICE_TLS_CIPHERS: VTYPE_STRING,
732 HV_KVM_SPICE_USE_VDAGENT: VTYPE_BOOL,
735 HV_USE_BOOTLOADER: VTYPE_BOOL,
736 HV_BOOTLOADER_PATH: VTYPE_STRING,
737 HV_BOOTLOADER_ARGS: VTYPE_STRING,
738 HV_KERNEL_PATH: VTYPE_STRING,
739 HV_KERNEL_ARGS: VTYPE_STRING,
740 HV_INITRD_PATH: VTYPE_STRING,
741 HV_ROOT_PATH: VTYPE_MAYBE_STRING,
742 HV_SERIAL_CONSOLE: VTYPE_BOOL,
743 HV_USB_MOUSE: VTYPE_STRING,
744 HV_KEYMAP: VTYPE_STRING,
745 HV_DEVICE_MODEL: VTYPE_STRING,
746 HV_INIT_SCRIPT: VTYPE_STRING,
747 HV_MIGRATION_PORT: VTYPE_INT,
748 HV_MIGRATION_BANDWIDTH: VTYPE_INT,
749 HV_MIGRATION_DOWNTIME: VTYPE_INT,
750 HV_MIGRATION_MODE: VTYPE_STRING,
751 HV_USE_LOCALTIME: VTYPE_BOOL,
752 HV_DISK_CACHE: VTYPE_STRING,
753 HV_SECURITY_MODEL: VTYPE_STRING,
754 HV_SECURITY_DOMAIN: VTYPE_STRING,
755 HV_KVM_FLAG: VTYPE_STRING,
756 HV_VHOST_NET: VTYPE_BOOL,
757 HV_KVM_USE_CHROOT: VTYPE_BOOL,
758 HV_CPU_MASK: VTYPE_STRING,
759 HV_MEM_PATH: VTYPE_STRING,
760 HV_PASSTHROUGH: VTYPE_STRING,
761 HV_BLOCKDEV_PREFIX: VTYPE_STRING,
762 HV_REBOOT_BEHAVIOR: VTYPE_STRING,
763 HV_CPU_TYPE: VTYPE_STRING,
766 HVS_PARAMETERS = frozenset(HVS_PARAMETER_TYPES.keys())
768 HVS_PARAMETER_TITLES = {
770 HV_BOOT_ORDER: "Boot_order",
771 HV_CDROM_IMAGE_PATH: "CDROM_image_path",
772 HV_DISK_TYPE: "Disk_type",
773 HV_INITRD_PATH: "Initrd_path",
774 HV_KERNEL_PATH: "Kernel_path",
775 HV_NIC_TYPE: "NIC_type",
777 HV_VNC_BIND_ADDRESS: "VNC_bind_address",
778 HV_PASSTHROUGH: "pci_pass",
779 HV_CPU_TYPE: "cpu_type",
783 HV_MIGRATION_COMPLETED = "completed"
784 HV_MIGRATION_ACTIVE = "active"
785 HV_MIGRATION_FAILED = "failed"
786 HV_MIGRATION_CANCELLED = "cancelled"
788 HV_MIGRATION_VALID_STATUSES = frozenset([
789 HV_MIGRATION_COMPLETED,
792 HV_MIGRATION_CANCELLED,
795 HV_MIGRATION_FAILED_STATUSES = frozenset([
797 HV_MIGRATION_CANCELLED,
800 # KVM-specific statuses
801 HV_KVM_MIGRATION_VALID_STATUSES = HV_MIGRATION_VALID_STATUSES
804 HV_NODEINFO_KEY_VERSION = "hv_version"
807 HVST_MEMORY_TOTAL = "mem_total"
808 HVST_MEMORY_NODE = "mem_node"
809 HVST_MEMORY_HV = "mem_hv"
810 HVST_CPU_TOTAL = "cpu_total"
811 HVST_CPU_NODE = "cpu_node"
814 HVST_MEMORY_TOTAL: 0,
821 HVSTS_PARAMETER_TYPES = {
822 HVST_MEMORY_TOTAL: VTYPE_INT,
823 HVST_MEMORY_NODE: VTYPE_INT,
824 HVST_MEMORY_HV: VTYPE_INT,
825 HVST_CPU_TOTAL: VTYPE_INT,
826 HVST_CPU_NODE: VTYPE_INT,
829 HVSTS_PARAMETERS = frozenset(HVSTS_PARAMETER_TYPES.keys())
832 DS_DISK_TOTAL = "disk_total"
833 DS_DISK_RESERVED = "disk_reserved"
834 DS_DISK_OVERHEAD = "disk_overhead"
842 DSS_PARAMETER_TYPES = {
843 DS_DISK_TOTAL: VTYPE_INT,
844 DS_DISK_RESERVED: VTYPE_INT,
845 DS_DISK_OVERHEAD: VTYPE_INT,
848 DSS_PARAMETERS = frozenset(DSS_PARAMETER_TYPES.keys())
849 DS_VALID_TYPES = frozenset([LD_LV])
851 # Backend parameter names
852 BE_MEMORY = "memory" # deprecated and replaced by max and min mem
856 BE_AUTO_BALANCE = "auto_balance"
857 BE_ALWAYS_FAILOVER = "always_failover"
858 BE_SPINDLE_USE = "spindle_use"
860 BES_PARAMETER_TYPES = {
861 BE_MAXMEM: VTYPE_SIZE,
862 BE_MINMEM: VTYPE_SIZE,
864 BE_AUTO_BALANCE: VTYPE_BOOL,
865 BE_ALWAYS_FAILOVER: VTYPE_BOOL,
866 BE_SPINDLE_USE: VTYPE_INT,
869 BES_PARAMETER_TITLES = {
870 BE_AUTO_BALANCE: "Auto_balance",
871 BE_MAXMEM: "ConfigMaxMem",
872 BE_MINMEM: "ConfigMinMem",
873 BE_VCPUS: "ConfigVCPUs",
876 BES_PARAMETER_COMPAT = {
877 BE_MEMORY: VTYPE_SIZE,
879 BES_PARAMETER_COMPAT.update(BES_PARAMETER_TYPES)
881 BES_PARAMETERS = frozenset(BES_PARAMETER_TYPES.keys())
884 ISPEC_MEM_SIZE = "memory-size"
885 ISPEC_CPU_COUNT = "cpu-count"
886 ISPEC_DISK_COUNT = "disk-count"
887 ISPEC_DISK_SIZE = "disk-size"
888 ISPEC_NIC_COUNT = "nic-count"
889 ISPEC_SPINDLE_USE = "spindle-use"
891 ISPECS_PARAMETER_TYPES = {
892 ISPEC_MEM_SIZE: VTYPE_INT,
893 ISPEC_CPU_COUNT: VTYPE_INT,
894 ISPEC_DISK_COUNT: VTYPE_INT,
895 ISPEC_DISK_SIZE: VTYPE_INT,
896 ISPEC_NIC_COUNT: VTYPE_INT,
897 ISPEC_SPINDLE_USE: VTYPE_INT,
900 ISPECS_PARAMETERS = frozenset(ISPECS_PARAMETER_TYPES.keys())
905 IPOLICY_DTS = "disk-templates"
906 IPOLICY_VCPU_RATIO = "vcpu-ratio"
907 IPOLICY_SPINDLE_RATIO = "spindle-ratio"
909 IPOLICY_ISPECS = frozenset([
915 IPOLICY_PARAMETERS = frozenset([
917 IPOLICY_SPINDLE_RATIO,
920 IPOLICY_ALL_KEYS = (IPOLICY_ISPECS |
922 frozenset([IPOLICY_DTS]))
924 # Node parameter names
925 ND_OOB_PROGRAM = "oob_program"
926 ND_SPINDLE_COUNT = "spindle_count"
928 NDS_PARAMETER_TYPES = {
929 ND_OOB_PROGRAM: VTYPE_STRING,
930 ND_SPINDLE_COUNT: VTYPE_INT,
933 NDS_PARAMETERS = frozenset(NDS_PARAMETER_TYPES.keys())
935 NDS_PARAMETER_TITLES = {
936 ND_OOB_PROGRAM: "OutOfBandProgram",
937 ND_SPINDLE_COUNT: "SpindleCount",
940 # Logical Disks parameters
941 LDP_RESYNC_RATE = "resync-rate"
942 LDP_STRIPES = "stripes"
943 LDP_BARRIERS = "disabled-barriers"
944 LDP_NO_META_FLUSH = "disable-meta-flush"
945 LDP_DEFAULT_METAVG = "default-metavg"
946 LDP_DISK_CUSTOM = "disk-custom"
947 LDP_NET_CUSTOM = "net-custom"
948 LDP_DYNAMIC_RESYNC = "dynamic-resync"
949 LDP_PLAN_AHEAD = "c-plan-ahead"
950 LDP_FILL_TARGET = "c-fill-target"
951 LDP_DELAY_TARGET = "c-delay-target"
952 LDP_MAX_RATE = "c-max-rate"
953 LDP_MIN_RATE = "c-min-rate"
956 LDP_RESYNC_RATE: VTYPE_INT,
957 LDP_STRIPES: VTYPE_INT,
958 LDP_BARRIERS: VTYPE_STRING,
959 LDP_NO_META_FLUSH: VTYPE_BOOL,
960 LDP_DEFAULT_METAVG: VTYPE_STRING,
961 LDP_DISK_CUSTOM: VTYPE_STRING,
962 LDP_NET_CUSTOM: VTYPE_STRING,
963 LDP_DYNAMIC_RESYNC: VTYPE_BOOL,
964 LDP_PLAN_AHEAD: VTYPE_INT,
965 LDP_FILL_TARGET: VTYPE_INT,
966 LDP_DELAY_TARGET: VTYPE_INT,
967 LDP_MAX_RATE: VTYPE_INT,
968 LDP_MIN_RATE: VTYPE_INT,
969 LDP_POOL: VTYPE_STRING,
971 DISK_LD_PARAMETERS = frozenset(DISK_LD_TYPES.keys())
973 # Disk template parameters (can be set/changed by the user via gnt-cluster and
975 DRBD_RESYNC_RATE = "resync-rate"
976 DRBD_DATA_STRIPES = "data-stripes"
977 DRBD_META_STRIPES = "meta-stripes"
978 DRBD_DISK_BARRIERS = "disk-barriers"
979 DRBD_META_BARRIERS = "meta-barriers"
980 DRBD_DEFAULT_METAVG = "metavg"
981 DRBD_DISK_CUSTOM = "disk-custom"
982 DRBD_NET_CUSTOM = "net-custom"
983 DRBD_DYNAMIC_RESYNC = "dynamic-resync"
984 DRBD_PLAN_AHEAD = "c-plan-ahead"
985 DRBD_FILL_TARGET = "c-fill-target"
986 DRBD_DELAY_TARGET = "c-delay-target"
987 DRBD_MAX_RATE = "c-max-rate"
988 DRBD_MIN_RATE = "c-min-rate"
989 LV_STRIPES = "stripes"
992 DRBD_RESYNC_RATE: VTYPE_INT,
993 DRBD_DATA_STRIPES: VTYPE_INT,
994 DRBD_META_STRIPES: VTYPE_INT,
995 DRBD_DISK_BARRIERS: VTYPE_STRING,
996 DRBD_META_BARRIERS: VTYPE_BOOL,
997 DRBD_DEFAULT_METAVG: VTYPE_STRING,
998 DRBD_DISK_CUSTOM: VTYPE_STRING,
999 DRBD_NET_CUSTOM: VTYPE_STRING,
1000 DRBD_DYNAMIC_RESYNC: VTYPE_BOOL,
1001 DRBD_PLAN_AHEAD: VTYPE_INT,
1002 DRBD_FILL_TARGET: VTYPE_INT,
1003 DRBD_DELAY_TARGET: VTYPE_INT,
1004 DRBD_MAX_RATE: VTYPE_INT,
1005 DRBD_MIN_RATE: VTYPE_INT,
1006 LV_STRIPES: VTYPE_INT,
1007 RBD_POOL: VTYPE_STRING,
1010 DISK_DT_PARAMETERS = frozenset(DISK_DT_TYPES.keys())
1012 # OOB supported commands
1013 OOB_POWER_ON = "power-on"
1014 OOB_POWER_OFF = "power-off"
1015 OOB_POWER_CYCLE = "power-cycle"
1016 OOB_POWER_STATUS = "power-status"
1017 OOB_HEALTH = "health"
1019 OOB_COMMANDS = frozenset([
1027 OOB_POWER_STATUS_POWERED = "powered"
1029 OOB_TIMEOUT = 60 # 60 seconds
1030 OOB_POWER_DELAY = 2.0 # 2 seconds
1032 OOB_STATUS_OK = "OK"
1033 OOB_STATUS_WARNING = "WARNING"
1034 OOB_STATUS_CRITICAL = "CRITICAL"
1035 OOB_STATUS_UNKNOWN = "UNKNOWN"
1037 OOB_STATUSES = frozenset([
1040 OOB_STATUS_CRITICAL,
1044 # Instance Parameters Profile
1045 PP_DEFAULT = "default"
1047 # NIC_* constants are used inside the ganeti config
1051 NIC_MODE_BRIDGED = "bridged"
1052 NIC_MODE_ROUTED = "routed"
1054 NIC_VALID_MODES = frozenset([NIC_MODE_BRIDGED, NIC_MODE_ROUTED])
1056 NICS_PARAMETER_TYPES = {
1057 NIC_MODE: VTYPE_STRING,
1058 NIC_LINK: VTYPE_STRING,
1061 NICS_PARAMETERS = frozenset(NICS_PARAMETER_TYPES.keys())
1063 # IDISK_* constants are used in opcodes, to create/change disks
1066 IDISK_ADOPT = "adopt"
1068 IDISK_METAVG = "metavg"
1069 IDISK_PARAMS_TYPES = {
1070 IDISK_SIZE: VTYPE_SIZE,
1071 IDISK_MODE: VTYPE_STRING,
1072 IDISK_ADOPT: VTYPE_STRING,
1073 IDISK_VG: VTYPE_STRING,
1074 IDISK_METAVG: VTYPE_STRING,
1076 IDISK_PARAMS = frozenset(IDISK_PARAMS_TYPES.keys())
1078 # INIC_* constants are used in opcodes, to create/change nics
1083 INIC_PARAMS_TYPES = {
1084 INIC_IP: VTYPE_MAYBE_STRING,
1085 INIC_LINK: VTYPE_STRING,
1086 INIC_MAC: VTYPE_STRING,
1087 INIC_MODE: VTYPE_STRING,
1089 INIC_PARAMS = frozenset(INIC_PARAMS_TYPES.keys())
1091 # Hypervisor constants
1092 HT_XEN_PVM = "xen-pvm"
1094 HT_XEN_HVM = "xen-hvm"
1096 HT_CHROOT = "chroot"
1098 HYPER_TYPES = frozenset([
1106 HTS_REQ_PORT = frozenset([HT_XEN_HVM, HT_KVM])
1108 VNC_BASE_PORT = 5900
1109 VNC_DEFAULT_BIND_ADDRESS = IP4_ADDRESS_ANY
1112 HT_NIC_RTL8139 = "rtl8139"
1113 HT_NIC_NE2K_PCI = "ne2k_pci"
1114 HT_NIC_NE2K_ISA = "ne2k_isa"
1115 HT_NIC_I82551 = "i82551"
1116 HT_NIC_I85557B = "i82557b"
1117 HT_NIC_I8259ER = "i82559er"
1118 HT_NIC_PCNET = "pcnet"
1119 HT_NIC_E1000 = "e1000"
1120 HT_NIC_PARAVIRTUAL = HT_DISK_PARAVIRTUAL = "paravirtual"
1122 HT_HVM_VALID_NIC_TYPES = frozenset([
1129 HT_KVM_VALID_NIC_TYPES = frozenset([
1142 HT_DISK_IOEMU = "ioemu"
1144 HT_DISK_SCSI = "scsi"
1147 HT_DISK_PFLASH = "pflash"
1149 HT_CACHE_DEFAULT = "default"
1150 HT_CACHE_NONE = "none"
1151 HT_CACHE_WTHROUGH = "writethrough"
1152 HT_CACHE_WBACK = "writeback"
1153 HT_VALID_CACHE_TYPES = frozenset([
1160 HT_HVM_VALID_DISK_TYPES = frozenset([HT_DISK_PARAVIRTUAL, HT_DISK_IOEMU])
1161 HT_KVM_VALID_DISK_TYPES = frozenset([
1162 HT_DISK_PARAVIRTUAL,
1171 HT_MOUSE_MOUSE = "mouse"
1172 HT_MOUSE_TABLET = "tablet"
1174 HT_KVM_VALID_MOUSE_TYPES = frozenset([HT_MOUSE_MOUSE, HT_MOUSE_TABLET])
1177 HT_BO_FLOPPY = "floppy"
1178 HT_BO_CDROM = "cdrom"
1180 HT_BO_NETWORK = "network"
1182 HT_KVM_VALID_BO_TYPES = frozenset([
1189 # SPICE lossless image compression options
1190 HT_KVM_SPICE_LOSSLESS_IMG_COMPR_AUTO_GLZ = "auto_glz"
1191 HT_KVM_SPICE_LOSSLESS_IMG_COMPR_AUTO_LZ = "auto_lz"
1192 HT_KVM_SPICE_LOSSLESS_IMG_COMPR_QUIC = "quic"
1193 HT_KVM_SPICE_LOSSLESS_IMG_COMPR_GLZ = "glz"
1194 HT_KVM_SPICE_LOSSLESS_IMG_COMPR_LZ = "lz"
1195 HT_KVM_SPICE_LOSSLESS_IMG_COMPR_OFF = "off"
1197 HT_KVM_SPICE_VALID_LOSSLESS_IMG_COMPR_OPTIONS = frozenset([
1198 HT_KVM_SPICE_LOSSLESS_IMG_COMPR_AUTO_GLZ,
1199 HT_KVM_SPICE_LOSSLESS_IMG_COMPR_AUTO_LZ,
1200 HT_KVM_SPICE_LOSSLESS_IMG_COMPR_QUIC,
1201 HT_KVM_SPICE_LOSSLESS_IMG_COMPR_GLZ,
1202 HT_KVM_SPICE_LOSSLESS_IMG_COMPR_LZ,
1203 HT_KVM_SPICE_LOSSLESS_IMG_COMPR_OFF,
1206 # SPICE lossy image compression options (valid for both jpeg and zlib-glz)
1207 HT_KVM_SPICE_LOSSY_IMG_COMPR_AUTO = "auto"
1208 HT_KVM_SPICE_LOSSY_IMG_COMPR_NEVER = "never"
1209 HT_KVM_SPICE_LOSSY_IMG_COMPR_ALWAYS = "always"
1211 HT_KVM_SPICE_VALID_LOSSY_IMG_COMPR_OPTIONS = frozenset([
1212 HT_KVM_SPICE_LOSSY_IMG_COMPR_AUTO,
1213 HT_KVM_SPICE_LOSSY_IMG_COMPR_NEVER,
1214 HT_KVM_SPICE_LOSSY_IMG_COMPR_ALWAYS,
1217 # SPICE video stream detection
1218 HT_KVM_SPICE_VIDEO_STREAM_DETECTION_OFF = "off"
1219 HT_KVM_SPICE_VIDEO_STREAM_DETECTION_ALL = "all"
1220 HT_KVM_SPICE_VIDEO_STREAM_DETECTION_FILTER = "filter"
1222 HT_KVM_SPICE_VALID_VIDEO_STREAM_DETECTION_OPTIONS = frozenset([
1223 HT_KVM_SPICE_VIDEO_STREAM_DETECTION_OFF,
1224 HT_KVM_SPICE_VIDEO_STREAM_DETECTION_ALL,
1225 HT_KVM_SPICE_VIDEO_STREAM_DETECTION_FILTER,
1233 HT_KVM_VALID_SM_TYPES = frozenset([HT_SM_NONE, HT_SM_USER, HT_SM_POOL])
1236 HT_KVM_ENABLED = "enabled"
1237 HT_KVM_DISABLED = "disabled"
1239 HT_KVM_FLAG_VALUES = frozenset([HT_KVM_ENABLED, HT_KVM_DISABLED])
1242 HT_MIGRATION_LIVE = "live"
1243 HT_MIGRATION_NONLIVE = "non-live"
1244 HT_MIGRATION_MODES = frozenset([HT_MIGRATION_LIVE, HT_MIGRATION_NONLIVE])
1246 # Cluster Verify steps
1247 VERIFY_NPLUSONE_MEM = "nplusone_mem"
1248 VERIFY_OPTIONAL_CHECKS = frozenset([VERIFY_NPLUSONE_MEM])
1250 # Cluster Verify error classes
1251 CV_TCLUSTER = "cluster"
1253 CV_TINSTANCE = "instance"
1255 # Cluster Verify error codes and documentation
1257 (CV_TCLUSTER, "ECLUSTERCFG", "Cluster configuration verification failure")
1259 (CV_TCLUSTER, "ECLUSTERCERT",
1260 "Cluster certificate files verification failure")
1261 CV_ECLUSTERFILECHECK = \
1262 (CV_TCLUSTER, "ECLUSTERFILECHECK",
1263 "Cluster configuration verification failure")
1264 CV_ECLUSTERDANGLINGNODES = \
1265 (CV_TNODE, "ECLUSTERDANGLINGNODES",
1266 "Some nodes belong to non-existing groups")
1267 CV_ECLUSTERDANGLINGINST = \
1268 (CV_TNODE, "ECLUSTERDANGLINGINST",
1269 "Some instances have a non-existing primary node")
1270 CV_EINSTANCEBADNODE = \
1271 (CV_TINSTANCE, "EINSTANCEBADNODE",
1272 "Instance marked as running lives on an offline node")
1273 CV_EINSTANCEDOWN = \
1274 (CV_TINSTANCE, "EINSTANCEDOWN", "Instance not running on its primary node")
1275 CV_EINSTANCELAYOUT = \
1276 (CV_TINSTANCE, "EINSTANCELAYOUT", "Instance has multiple secondary nodes")
1277 CV_EINSTANCEMISSINGDISK = \
1278 (CV_TINSTANCE, "EINSTANCEMISSINGDISK", "Missing volume on an instance")
1279 CV_EINSTANCEFAULTYDISK = \
1280 (CV_TINSTANCE, "EINSTANCEFAULTYDISK",
1281 "Impossible to retrieve status for a disk")
1282 CV_EINSTANCEWRONGNODE = \
1283 (CV_TINSTANCE, "EINSTANCEWRONGNODE", "Instance running on the wrong node")
1284 CV_EINSTANCESPLITGROUPS = \
1285 (CV_TINSTANCE, "EINSTANCESPLITGROUPS",
1286 "Instance with primary and secondary nodes in different groups")
1287 CV_EINSTANCEPOLICY = \
1288 (CV_TINSTANCE, "EINSTANCEPOLICY",
1289 "Instance does not meet policy")
1291 (CV_TNODE, "ENODEDRBD", "Error parsing the DRBD status file")
1292 CV_ENODEDRBDHELPER = \
1293 (CV_TNODE, "ENODEDRBDHELPER", "Error caused by the DRBD helper")
1294 CV_ENODEFILECHECK = \
1295 (CV_TNODE, "ENODEFILECHECK",
1296 "Error retrieving the checksum of the node files")
1298 (CV_TNODE, "ENODEHOOKS", "Communication failure in hooks execution")
1300 (CV_TNODE, "ENODEHV", "Hypervisor parameters verification failure")
1302 (CV_TNODE, "ENODELVM", "LVM-related node error")
1304 (CV_TNODE, "ENODEN1", "Not enough memory to accommodate instance failovers")
1306 (CV_TNODE, "ENODENET", "Network-related node error")
1308 (CV_TNODE, "ENODEOS", "OS-related node error")
1309 CV_ENODEORPHANINSTANCE = \
1310 (CV_TNODE, "ENODEORPHANINSTANCE", "Unknown intance running on a node")
1311 CV_ENODEORPHANLV = \
1312 (CV_TNODE, "ENODEORPHANLV", "Unknown LVM logical volume")
1314 (CV_TNODE, "ENODERPC",
1315 "Error during connection to the primary node of an instance")
1317 (CV_TNODE, "ENODESSH", "SSH-related node error")
1319 (CV_TNODE, "ENODEVERSION",
1320 "Protocol version mismatch or Ganeti version mismatch")
1322 (CV_TNODE, "ENODESETUP", "Node setup error")
1324 (CV_TNODE, "ENODETIME", "Node returned invalid time")
1326 (CV_TNODE, "ENODEOOBPATH", "Invalid Out Of Band path")
1327 CV_ENODEUSERSCRIPTS = \
1328 (CV_TNODE, "ENODEUSERSCRIPTS", "User scripts not present or not executable")
1330 CV_ALL_ECODES = frozenset([
1333 CV_ECLUSTERFILECHECK,
1334 CV_ECLUSTERDANGLINGNODES,
1335 CV_ECLUSTERDANGLINGINST,
1336 CV_EINSTANCEBADNODE,
1339 CV_EINSTANCEMISSINGDISK,
1340 CV_EINSTANCEFAULTYDISK,
1341 CV_EINSTANCEWRONGNODE,
1342 CV_EINSTANCESPLITGROUPS,
1353 CV_ENODEORPHANINSTANCE,
1361 CV_ENODEUSERSCRIPTS,
1364 CV_ALL_ECODES_STRINGS = frozenset(estr for (_, estr, _) in CV_ALL_ECODES)
1366 # Node verify constants
1367 NV_DRBDHELPER = "drbd-helper"
1368 NV_DRBDLIST = "drbd-list"
1369 NV_FILELIST = "filelist"
1370 NV_HVINFO = "hvinfo"
1371 NV_HYPERVISOR = "hypervisor"
1372 NV_HVPARAMS = "hvparms"
1373 NV_INSTANCELIST = "instancelist"
1374 NV_LVLIST = "lvlist"
1375 NV_MASTERIP = "master-ip"
1376 NV_NODELIST = "nodelist"
1377 NV_NODENETTEST = "node-net-test"
1378 NV_NODESETUP = "nodesetup"
1379 NV_OSLIST = "oslist"
1380 NV_PVLIST = "pvlist"
1382 NV_VERSION = "version"
1383 NV_VGLIST = "vglist"
1384 NV_VMNODES = "vmnodes"
1385 NV_OOB_PATHS = "oob-paths"
1386 NV_BRIDGES = "bridges"
1387 NV_USERSCRIPTS = "user-scripts"
1390 INSTST_RUNNING = "running"
1391 INSTST_ADMINDOWN = "ADMIN_down"
1392 INSTST_ADMINOFFLINE = "ADMIN_offline"
1393 INSTST_NODEOFFLINE = "ERROR_nodeoffline"
1394 INSTST_NODEDOWN = "ERROR_nodedown"
1395 INSTST_WRONGNODE = "ERROR_wrongnode"
1396 INSTST_ERRORUP = "ERROR_up"
1397 INSTST_ERRORDOWN = "ERROR_down"
1398 INSTST_ALL = frozenset([
1401 INSTST_ADMINOFFLINE,
1411 ADMINST_DOWN = "down"
1412 ADMINST_OFFLINE = "offline"
1413 ADMINST_ALL = frozenset([
1425 NR_ALL = frozenset([
1433 # SSL certificate check constants (in days)
1434 SSL_CERT_EXPIRATION_WARN = 30
1435 SSL_CERT_EXPIRATION_ERROR = 7
1437 # Allocator framework constants
1438 IALLOCATOR_VERSION = 2
1439 IALLOCATOR_DIR_IN = "in"
1440 IALLOCATOR_DIR_OUT = "out"
1441 VALID_IALLOCATOR_DIRECTIONS = frozenset([
1445 IALLOCATOR_MODE_ALLOC = "allocate"
1446 IALLOCATOR_MODE_RELOC = "relocate"
1447 IALLOCATOR_MODE_CHG_GROUP = "change-group"
1448 IALLOCATOR_MODE_NODE_EVAC = "node-evacuate"
1449 IALLOCATOR_MODE_MULTI_ALLOC = "multi-allocate"
1450 VALID_IALLOCATOR_MODES = frozenset([
1451 IALLOCATOR_MODE_ALLOC,
1452 IALLOCATOR_MODE_RELOC,
1453 IALLOCATOR_MODE_CHG_GROUP,
1454 IALLOCATOR_MODE_NODE_EVAC,
1455 IALLOCATOR_MODE_MULTI_ALLOC,
1457 IALLOCATOR_SEARCH_PATH = _autoconf.IALLOCATOR_SEARCH_PATH
1459 IALLOCATOR_NEVAC_PRI = "primary-only"
1460 IALLOCATOR_NEVAC_SEC = "secondary-only"
1461 IALLOCATOR_NEVAC_ALL = "all"
1462 IALLOCATOR_NEVAC_MODES = frozenset([
1463 IALLOCATOR_NEVAC_PRI,
1464 IALLOCATOR_NEVAC_SEC,
1465 IALLOCATOR_NEVAC_ALL,
1469 NODE_EVAC_PRI = "primary-only"
1470 NODE_EVAC_SEC = "secondary-only"
1471 NODE_EVAC_ALL = "all"
1472 NODE_EVAC_MODES = frozenset([
1479 JOB_QUEUE_VERSION = 1
1480 JOB_QUEUE_SIZE_HARD_LIMIT = 5000
1482 JOB_ID_TEMPLATE = r"\d+"
1483 JOB_FILE_RE = re.compile(r"^job-(%s)$" % JOB_ID_TEMPLATE)
1485 # unchanged job return
1486 JOB_NOTCHANGED = "nochange"
1489 JOB_STATUS_QUEUED = "queued"
1490 JOB_STATUS_WAITING = "waiting"
1491 JOB_STATUS_CANCELING = "canceling"
1492 JOB_STATUS_RUNNING = "running"
1493 JOB_STATUS_CANCELED = "canceled"
1494 JOB_STATUS_SUCCESS = "success"
1495 JOB_STATUS_ERROR = "error"
1496 JOBS_FINALIZED = frozenset([
1497 JOB_STATUS_CANCELED,
1501 JOB_STATUS_ALL = frozenset([
1504 JOB_STATUS_CANCELING,
1510 OP_STATUS_QUEUED = "queued"
1511 OP_STATUS_WAITING = "waiting"
1512 OP_STATUS_CANCELING = "canceling"
1513 OP_STATUS_RUNNING = "running"
1515 OP_STATUS_CANCELED = "canceled"
1516 OP_STATUS_SUCCESS = "success"
1517 OP_STATUS_ERROR = "error"
1518 OPS_FINALIZED = frozenset([
1525 OP_PRIO_LOWEST = +19
1526 OP_PRIO_HIGHEST = -20
1532 OP_PRIO_SUBMIT_VALID = frozenset([
1538 OP_PRIO_DEFAULT = OP_PRIO_NORMAL
1540 # Lock recalculate mode
1541 LOCKS_REPLACE = "replace"
1542 LOCKS_APPEND = "append"
1544 # Lock timeout (sum) before we should go into blocking acquire (still
1545 # can be reset by priority change); computed as max time (10 hours)
1546 # before we should actually go into blocking acquire given that we
1547 # start from default priority level; in seconds
1549 LOCK_ATTEMPTS_TIMEOUT = 10 * 3600 / (OP_PRIO_DEFAULT - OP_PRIO_HIGHEST)
1550 LOCK_ATTEMPTS_MAXWAIT = 15.0
1551 LOCK_ATTEMPTS_MINWAIT = 1.0
1553 # Execution log types
1554 ELOG_MESSAGE = "message"
1555 ELOG_REMOTE_IMPORT = "remote-import"
1556 ELOG_JQUEUE_TEST = "jqueue-test"
1558 # /etc/hosts modification
1559 ETC_HOSTS_ADD = "add"
1560 ETC_HOSTS_REMOVE = "remove"
1563 JQT_MSGPREFIX = "TESTMSG="
1564 JQT_EXPANDNAMES = "expandnames"
1566 JQT_LOGMSG = "logmsg"
1567 JQT_STARTMSG = "startmsg"
1568 JQT_ALL = frozenset([
1576 QR_CLUSTER = "cluster"
1577 QR_INSTANCE = "instance"
1583 QR_EXPORT = "export"
1585 #: List of resources which can be queried using L{opcodes.OpQuery}
1586 QR_VIA_OP = frozenset([
1595 #: List of resources which can be queried using Local UniX Interface
1596 QR_VIA_LUXI = QR_VIA_OP.union([
1601 #: List of resources which can be queried using RAPI
1602 QR_VIA_RAPI = QR_VIA_LUXI
1605 QFT_UNKNOWN = "unknown"
1608 QFT_NUMBER = "number"
1610 QFT_TIMESTAMP = "timestamp"
1613 #: All query field types
1614 QFT_ALL = frozenset([
1624 # Query result field status (don't change or reuse values as they're used by
1626 #: Normal field status
1630 #: No data (e.g. RPC error), can be used instead of L{RS_OFFLINE}
1632 #: Value unavailable/unsupported for item; if this field is supported
1633 #: but we cannot get the data for the moment, RS_NODATA or
1634 #: RS_OFFLINE should be used
1636 #: Resource marked offline
1639 RS_ALL = frozenset([
1647 #: Dictionary with special field cases and their verbose/terse formatting
1649 RS_UNKNOWN: ("(unknown)", "??"),
1650 RS_NODATA: ("(nodata)", "?"),
1651 RS_OFFLINE: ("(offline)", "*"),
1652 RS_UNAVAIL: ("(unavail)", "-"),
1655 # max dynamic devices
1659 # SSCONF file prefix
1660 SSCONF_FILEPREFIX = "ssconf_"
1662 SS_CLUSTER_NAME = "cluster_name"
1663 SS_CLUSTER_TAGS = "cluster_tags"
1664 SS_FILE_STORAGE_DIR = "file_storage_dir"
1665 SS_SHARED_FILE_STORAGE_DIR = "shared_file_storage_dir"
1666 SS_MASTER_CANDIDATES = "master_candidates"
1667 SS_MASTER_CANDIDATES_IPS = "master_candidates_ips"
1668 SS_MASTER_IP = "master_ip"
1669 SS_MASTER_NETDEV = "master_netdev"
1670 SS_MASTER_NETMASK = "master_netmask"
1671 SS_MASTER_NODE = "master_node"
1672 SS_NODE_LIST = "node_list"
1673 SS_NODE_PRIMARY_IPS = "node_primary_ips"
1674 SS_NODE_SECONDARY_IPS = "node_secondary_ips"
1675 SS_OFFLINE_NODES = "offline_nodes"
1676 SS_ONLINE_NODES = "online_nodes"
1677 SS_PRIMARY_IP_FAMILY = "primary_ip_family"
1678 SS_INSTANCE_LIST = "instance_list"
1679 SS_RELEASE_VERSION = "release_version"
1680 SS_HYPERVISOR_LIST = "hypervisor_list"
1681 SS_MAINTAIN_NODE_HEALTH = "maintain_node_health"
1682 SS_UID_POOL = "uid_pool"
1683 SS_NODEGROUPS = "nodegroups"
1685 SS_FILE_PERMS = 0444
1687 # cluster wide default parameters
1688 DEFAULT_ENABLED_HYPERVISOR = HT_XEN_PVM
1692 HV_USE_BOOTLOADER: False,
1693 HV_BOOTLOADER_PATH: XEN_BOOTLOADER,
1694 HV_BOOTLOADER_ARGS: "",
1695 HV_KERNEL_PATH: XEN_KERNEL,
1697 HV_ROOT_PATH: "/dev/sda1",
1698 HV_KERNEL_ARGS: "ro",
1699 HV_MIGRATION_PORT: 8002,
1700 HV_MIGRATION_MODE: HT_MIGRATION_LIVE,
1701 HV_BLOCKDEV_PREFIX: "sd",
1702 HV_REBOOT_BEHAVIOR: INSTANCE_REBOOT_ALLOWED,
1703 HV_CPU_MASK: CPU_PINNING_ALL,
1706 HV_BOOT_ORDER: "cd",
1707 HV_CDROM_IMAGE_PATH: "",
1708 HV_NIC_TYPE: HT_NIC_RTL8139,
1709 HV_DISK_TYPE: HT_DISK_PARAVIRTUAL,
1710 HV_VNC_BIND_ADDRESS: IP4_ADDRESS_ANY,
1711 HV_VNC_PASSWORD_FILE: pathutils.VNC_PASSWORD_FILE,
1714 HV_KERNEL_PATH: "/usr/lib/xen/boot/hvmloader",
1715 HV_DEVICE_MODEL: "/usr/lib/xen/bin/qemu-dm",
1716 HV_MIGRATION_PORT: 8002,
1717 HV_MIGRATION_MODE: HT_MIGRATION_NONLIVE,
1718 HV_USE_LOCALTIME: False,
1719 HV_BLOCKDEV_PREFIX: "hd",
1721 HV_REBOOT_BEHAVIOR: INSTANCE_REBOOT_ALLOWED,
1722 HV_CPU_MASK: CPU_PINNING_ALL,
1725 HV_KERNEL_PATH: KVM_KERNEL,
1727 HV_KERNEL_ARGS: "ro",
1728 HV_ROOT_PATH: "/dev/vda1",
1730 HV_SERIAL_CONSOLE: True,
1731 HV_VNC_BIND_ADDRESS: "",
1734 HV_VNC_X509_VERIFY: False,
1735 HV_VNC_PASSWORD_FILE: "",
1736 HV_KVM_SPICE_BIND: "",
1737 HV_KVM_SPICE_IP_VERSION: IFACE_NO_IP_VERSION_SPECIFIED,
1738 HV_KVM_SPICE_PASSWORD_FILE: "",
1739 HV_KVM_SPICE_LOSSLESS_IMG_COMPR: "",
1740 HV_KVM_SPICE_JPEG_IMG_COMPR: "",
1741 HV_KVM_SPICE_ZLIB_GLZ_IMG_COMPR: "",
1742 HV_KVM_SPICE_STREAMING_VIDEO_DETECTION: "",
1743 HV_KVM_SPICE_AUDIO_COMPR: True,
1744 HV_KVM_SPICE_USE_TLS: False,
1745 HV_KVM_SPICE_TLS_CIPHERS: OPENSSL_CIPHERS,
1746 HV_KVM_SPICE_USE_VDAGENT: True,
1747 HV_KVM_FLOPPY_IMAGE_PATH: "",
1748 HV_CDROM_IMAGE_PATH: "",
1749 HV_KVM_CDROM2_IMAGE_PATH: "",
1750 HV_BOOT_ORDER: HT_BO_DISK,
1751 HV_NIC_TYPE: HT_NIC_PARAVIRTUAL,
1752 HV_DISK_TYPE: HT_DISK_PARAVIRTUAL,
1753 HV_KVM_CDROM_DISK_TYPE: "",
1756 HV_MIGRATION_PORT: 8102,
1757 HV_MIGRATION_BANDWIDTH: 32, # MiB/s
1758 HV_MIGRATION_DOWNTIME: 30, # ms
1759 HV_MIGRATION_MODE: HT_MIGRATION_LIVE,
1760 HV_USE_LOCALTIME: False,
1761 HV_DISK_CACHE: HT_CACHE_DEFAULT,
1762 HV_SECURITY_MODEL: HT_SM_NONE,
1763 HV_SECURITY_DOMAIN: "",
1765 HV_VHOST_NET: False,
1766 HV_KVM_USE_CHROOT: False,
1768 HV_REBOOT_BEHAVIOR: INSTANCE_REBOOT_ALLOWED,
1769 HV_CPU_MASK: CPU_PINNING_ALL,
1774 HV_INIT_SCRIPT: "/ganeti-chroot",
1781 HVC_GLOBALS = frozenset([
1783 HV_MIGRATION_BANDWIDTH,
1791 BE_AUTO_BALANCE: True,
1792 BE_ALWAYS_FAILOVER: False,
1798 ND_SPINDLE_COUNT: 1,
1801 DISK_LD_DEFAULTS = {
1803 LDP_RESYNC_RATE: CLASSIC_DRBD_SYNC_SPEED,
1804 LDP_BARRIERS: _autoconf.DRBD_BARRIERS,
1805 LDP_NO_META_FLUSH: _autoconf.DRBD_NO_META_FLUSH,
1806 LDP_DEFAULT_METAVG: DEFAULT_VG,
1807 LDP_DISK_CUSTOM: "",
1809 LDP_DYNAMIC_RESYNC: False,
1811 # The default values for the DRBD dynamic resync speed algorithm are taken
1812 # from the drbsetup 8.3.11 man page, except for c-plan-ahead (that we
1813 # don't need to set to 0, because we have a separate option to enable it)
1814 # and for c-max-rate, that we cap to the default value for the static resync
1816 LDP_PLAN_AHEAD: 20, # ds
1817 LDP_FILL_TARGET: 0, # sectors
1818 LDP_DELAY_TARGET: 1, # ds
1819 LDP_MAX_RATE: CLASSIC_DRBD_SYNC_SPEED, # KiB/s
1820 LDP_MIN_RATE: 4 * 1024, # KiB/s
1823 LDP_STRIPES: _autoconf.LVM_STRIPECOUNT
1832 # readability shortcuts
1833 _LV_DEFAULTS = DISK_LD_DEFAULTS[LD_LV]
1834 _DRBD_DEFAULTS = DISK_LD_DEFAULTS[LD_DRBD8]
1836 DISK_DT_DEFAULTS = {
1838 LV_STRIPES: DISK_LD_DEFAULTS[LD_LV][LDP_STRIPES],
1841 DRBD_RESYNC_RATE: _DRBD_DEFAULTS[LDP_RESYNC_RATE],
1842 DRBD_DATA_STRIPES: _LV_DEFAULTS[LDP_STRIPES],
1843 DRBD_META_STRIPES: _LV_DEFAULTS[LDP_STRIPES],
1844 DRBD_DISK_BARRIERS: _DRBD_DEFAULTS[LDP_BARRIERS],
1845 DRBD_META_BARRIERS: _DRBD_DEFAULTS[LDP_NO_META_FLUSH],
1846 DRBD_DEFAULT_METAVG: _DRBD_DEFAULTS[LDP_DEFAULT_METAVG],
1847 DRBD_DISK_CUSTOM: _DRBD_DEFAULTS[LDP_DISK_CUSTOM],
1848 DRBD_NET_CUSTOM: _DRBD_DEFAULTS[LDP_NET_CUSTOM],
1849 DRBD_DYNAMIC_RESYNC: _DRBD_DEFAULTS[LDP_DYNAMIC_RESYNC],
1850 DRBD_PLAN_AHEAD: _DRBD_DEFAULTS[LDP_PLAN_AHEAD],
1851 DRBD_FILL_TARGET: _DRBD_DEFAULTS[LDP_FILL_TARGET],
1852 DRBD_DELAY_TARGET: _DRBD_DEFAULTS[LDP_DELAY_TARGET],
1853 DRBD_MAX_RATE: _DRBD_DEFAULTS[LDP_MAX_RATE],
1854 DRBD_MIN_RATE: _DRBD_DEFAULTS[LDP_MIN_RATE],
1861 RBD_POOL: DISK_LD_DEFAULTS[LD_RBD][LDP_POOL]
1865 # we don't want to export the shortcuts
1866 del _LV_DEFAULTS, _DRBD_DEFAULTS
1869 NIC_MODE: NIC_MODE_BRIDGED,
1870 NIC_LINK: DEFAULT_BRIDGE,
1873 # All of the following values are quite arbitrarily - there are no
1874 # "good" defaults, these must be customised per-site
1875 IPOLICY_DEFAULTS = {
1877 ISPEC_MEM_SIZE: 128,
1879 ISPEC_DISK_COUNT: 1,
1880 ISPEC_DISK_SIZE: 1024,
1882 ISPEC_SPINDLE_USE: 1,
1885 ISPEC_MEM_SIZE: 32768,
1887 ISPEC_DISK_COUNT: MAX_DISKS,
1888 ISPEC_DISK_SIZE: 1024 * 1024,
1889 ISPEC_NIC_COUNT: MAX_NICS,
1890 ISPEC_SPINDLE_USE: 12,
1893 ISPEC_MEM_SIZE: 128,
1895 ISPEC_DISK_COUNT: 1,
1896 ISPEC_DISK_SIZE: 1024,
1898 ISPEC_SPINDLE_USE: 1,
1900 IPOLICY_DTS: DISK_TEMPLATES,
1901 IPOLICY_VCPU_RATIO: 4.0,
1902 IPOLICY_SPINDLE_RATIO: 32.0,
1905 MASTER_POOL_SIZE_DEFAULT = 10
1907 CONFD_PROTOCOL_VERSION = 1
1910 CONFD_REQ_NODE_ROLE_BYNAME = 1
1911 CONFD_REQ_NODE_PIP_BY_INSTANCE_IP = 2
1912 CONFD_REQ_CLUSTER_MASTER = 3
1913 CONFD_REQ_NODE_PIP_LIST = 4
1914 CONFD_REQ_MC_PIP_LIST = 5
1915 CONFD_REQ_INSTANCES_IPS_LIST = 6
1916 CONFD_REQ_NODE_DRBD = 7
1918 # Confd request query fields. These are used to narrow down queries.
1919 # These must be strings rather than integers, because json-encoding
1920 # converts them to strings anyway, as they're used as dict-keys.
1921 CONFD_REQQ_LINK = "0"
1923 CONFD_REQQ_IPLIST = "2"
1924 CONFD_REQQ_FIELDS = "3"
1926 CONFD_REQFIELD_NAME = "0"
1927 CONFD_REQFIELD_IP = "1"
1928 CONFD_REQFIELD_MNODE_PIP = "2"
1930 CONFD_REQS = frozenset([
1932 CONFD_REQ_NODE_ROLE_BYNAME,
1933 CONFD_REQ_NODE_PIP_BY_INSTANCE_IP,
1934 CONFD_REQ_CLUSTER_MASTER,
1935 CONFD_REQ_NODE_PIP_LIST,
1936 CONFD_REQ_MC_PIP_LIST,
1937 CONFD_REQ_INSTANCES_IPS_LIST,
1938 CONFD_REQ_NODE_DRBD,
1941 CONFD_REPL_STATUS_OK = 0
1942 CONFD_REPL_STATUS_ERROR = 1
1943 CONFD_REPL_STATUS_NOTIMPLEMENTED = 2
1945 CONFD_REPL_STATUSES = frozenset([
1946 CONFD_REPL_STATUS_OK,
1947 CONFD_REPL_STATUS_ERROR,
1948 CONFD_REPL_STATUS_NOTIMPLEMENTED,
1951 (CONFD_NODE_ROLE_MASTER,
1952 CONFD_NODE_ROLE_CANDIDATE,
1953 CONFD_NODE_ROLE_OFFLINE,
1954 CONFD_NODE_ROLE_DRAINED,
1955 CONFD_NODE_ROLE_REGULAR,
1958 # A few common errors for confd
1959 CONFD_ERROR_UNKNOWN_ENTRY = 1
1960 CONFD_ERROR_INTERNAL = 2
1961 CONFD_ERROR_ARGUMENT = 3
1963 # Each request is "salted" by the current timestamp.
1964 # This constants decides how many seconds of skew to accept.
1965 # TODO: make this a default and allow the value to be more configurable
1966 CONFD_MAX_CLOCK_SKEW = 2 * NODE_MAX_CLOCK_SKEW
1968 # When we haven't reloaded the config for more than this amount of seconds, we
1969 # force a test to see if inotify is betraying us.
1970 CONFD_CONFIG_RELOAD_TIMEOUT = 60
1972 # If we receive more than one update in this amount of seconds, we move to
1973 # polling every RATELIMIT seconds, rather than relying on inotify, to be able
1974 # to serve more requests.
1975 CONFD_CONFIG_RELOAD_RATELIMIT = 2
1977 # Magic number prepended to all confd queries.
1978 # This allows us to distinguish different types of confd protocols and handle
1979 # them. For example by changing this we can move the whole payload to be
1980 # compressed, or move away from json.
1981 CONFD_MAGIC_FOURCC = "plj0"
1983 # By default a confd request is sent to the minimum between this number and all
1984 # MCs. 6 was chosen because even in the case of a disastrous 50% response rate,
1985 # we should have enough answers to be able to compare more than one.
1986 CONFD_DEFAULT_REQ_COVERAGE = 6
1988 # Timeout in seconds to expire pending query request in the confd client
1989 # library. We don't actually expect any answer more than 10 seconds after we
1991 CONFD_CLIENT_EXPIRE_TIMEOUT = 10
1993 # Maximum UDP datagram size.
1994 # On IPv4: 64K - 20 (ip header size) - 8 (udp header size) = 65507
1995 # On IPv6: 64K - 40 (ip6 header size) - 8 (udp header size) = 65487
1996 # (assuming we can't use jumbo frames)
1997 # We just set this to 60K, which should be enough
1998 MAX_UDP_DATA_SIZE = 61440
2000 # User-id pool minimum/maximum acceptable user-ids.
2002 UIDPOOL_UID_MAX = 2 ** 32 - 1 # Assuming 32 bit user-ids
2004 # Name or path of the pgrep command
2007 # Name of the node group that gets created at cluster init or upgrade
2008 INITIAL_NODE_GROUP_NAME = "default"
2010 # Possible values for NodeGroup.alloc_policy
2011 ALLOC_POLICY_PREFERRED = "preferred"
2012 ALLOC_POLICY_LAST_RESORT = "last_resort"
2013 ALLOC_POLICY_UNALLOCABLE = "unallocable"
2014 VALID_ALLOC_POLICIES = [
2015 ALLOC_POLICY_PREFERRED,
2016 ALLOC_POLICY_LAST_RESORT,
2017 ALLOC_POLICY_UNALLOCABLE,
2020 # Temporary external/shared storage parameters
2021 BLOCKDEV_DRIVER_MANUAL = "manual"
2023 # qemu-img path, required for ovfconverter
2024 QEMUIMG_PATH = _autoconf.QEMUIMG_PATH
2026 # Whether htools was enabled at compilation time
2027 HTOOLS = _autoconf.HTOOLS
2028 # The hail iallocator
2029 IALLOC_HAIL = "hail"
2031 # Fake opcodes for functions that have hooks attached to them via
2032 # backend.RunLocalHooks
2033 FAKE_OP_MASTER_TURNUP = "OP_CLUSTER_IP_TURNUP"
2034 FAKE_OP_MASTER_TURNDOWN = "OP_CLUSTER_IP_TURNDOWN"
2036 # Do not re-export imported modules
2037 del re, _vcsversion, _autoconf, socket, pathutils