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
144 NODED = "ganeti-noded"
145 CONFD = "ganeti-confd"
147 MASTERD = "ganeti-masterd"
148 # used in the ganeti-nbma project
152 # daemon-name: ("proto", "default-port")
153 NODED: ("tcp", 1811),
154 CONFD: ("udp", 1814),
157 # used in the ganeti-nbma project
160 DEFAULT_NODED_PORT = DAEMONS_PORTS[NODED][1]
161 DEFAULT_CONFD_PORT = DAEMONS_PORTS[CONFD][1]
162 DEFAULT_RAPI_PORT = DAEMONS_PORTS[RAPI][1]
163 # used in the ganeti-nbma project
164 DEFAULT_NLD_PORT = DAEMONS_PORTS[NLD][1]
166 FIRST_DRBD_PORT = 11000
167 LAST_DRBD_PORT = 14999
170 NODED: pathutils.GetLogFilename("node-daemon"),
171 CONFD: pathutils.GetLogFilename("conf-daemon"),
172 RAPI: pathutils.GetLogFilename("rapi-daemon"),
173 MASTERD: pathutils.GetLogFilename("master-daemon"),
176 DEV_CONSOLE = "/dev/console"
178 PROC_MOUNTS = "/proc/mounts"
180 # Local UniX Interface related constants
182 LUXI_VERSION = CONFIG_VERSION
184 # one of "no", "yes", "only"
185 SYSLOG_USAGE = _autoconf.SYSLOG_USAGE
189 SYSLOG_SOCKET = "/dev/log"
191 EXPORT_CONF_FILE = "config.ini"
193 XEN_BOOTLOADER = _autoconf.XEN_BOOTLOADER
194 XEN_KERNEL = _autoconf.XEN_KERNEL
195 XEN_INITRD = _autoconf.XEN_INITRD
198 # FIXME: This will be made configurable using hvparams in Ganeti 2.7
199 XEN_CMD = _autoconf.XEN_CMD
201 KVM_PATH = _autoconf.KVM_PATH
202 KVM_KERNEL = _autoconf.KVM_KERNEL
203 SOCAT_PATH = _autoconf.SOCAT_PATH
204 SOCAT_USE_ESCAPE = _autoconf.SOCAT_USE_ESCAPE
205 SOCAT_USE_COMPRESS = _autoconf.SOCAT_USE_COMPRESS
206 SOCAT_ESCAPE_CODE = "0x1d"
208 #: Console as SSH command
211 #: Console as VNC server
214 #: Console as SPICE server
217 #: Display a message for console access
221 CONS_ALL = frozenset([CONS_SSH, CONS_VNC, CONS_SPICE, CONS_MESSAGE])
223 # For RSA keys more bits are better, but they also make operations more
224 # expensive. NIST SP 800-131 recommends a minimum of 2048 bits from the year
228 # Ciphers allowed for SSL connections. For the format, see ciphers(1). A better
229 # way to disable ciphers would be to use the exclamation mark (!), but socat
230 # versions below 1.5 can't parse exclamation marks in options properly. When
231 # modifying the ciphers, ensure not to accidentially add something after it's
232 # been removed. Use the "openssl" utility to check the allowed ciphers, e.g.
233 # "openssl ciphers -v HIGH:-DES".
234 OPENSSL_CIPHERS = "HIGH:-DES:-3DES:-EXPORT:-ADH"
236 # Digest used to sign certificates ("openssl x509" uses SHA1 by default)
237 X509_CERT_SIGN_DIGEST = "SHA1"
239 # Default validity of certificates in days
240 X509_CERT_DEFAULT_VALIDITY = 365 * 5
242 # commonName (CN) used in certificates
243 X509_CERT_CN = "ganeti.example.com"
245 X509_CERT_SIGNATURE_HEADER = "X-Ganeti-Signature"
247 # Import/export daemon mode
248 IEM_IMPORT = "import"
249 IEM_EXPORT = "export"
251 # Import/export transport compression
254 IEC_ALL = frozenset([
259 IE_CUSTOM_SIZE = "fd"
261 IE_MAGIC_RE = re.compile(r"^[-_.a-zA-Z0-9]{5,100}$")
264 # Direct file I/O, equivalent to a shell's I/O redirection using '<' or '>'
266 # Raw block device I/O using "dd"
267 IEIO_RAW_DISK = "raw"
268 # OS definition import/export script
269 IEIO_SCRIPT = "script"
271 VALUE_DEFAULT = "default"
273 VALUE_GENERATE = "generate"
276 VALUE_FALSE = "false"
278 # External script validation mask
279 EXT_PLUGIN_MASK = re.compile("^[a-zA-Z0-9_-]+$")
281 # hooks-related constants
282 HOOKS_PHASE_PRE = "pre"
283 HOOKS_PHASE_POST = "post"
284 HOOKS_NAME_CFGUPDATE = "config-update"
285 HOOKS_NAME_WATCHER = "watcher"
287 HOOKS_PATH = "/sbin:/bin:/usr/sbin:/usr/bin"
289 # hooks subject type (what object type does the LU deal with)
290 HTYPE_CLUSTER = "CLUSTER"
292 HTYPE_GROUP = "GROUP"
293 HTYPE_INSTANCE = "INSTANCE"
305 # first two are valid in LU context only, not passed to backend
308 # and the rest are valid in backend
313 SF_ALLOCATABLE = "allocatable"
316 SO_FIX_CONSISTENCY = "fix-consistency"
318 # Available fields per storage type
319 VALID_STORAGE_FIELDS = frozenset([
328 VALID_STORAGE_TYPES = frozenset([ST_FILE, ST_LVM_PV, ST_LVM_VG])
330 MODIFIABLE_STORAGE_FIELDS = {
331 ST_LVM_PV: frozenset([SF_ALLOCATABLE]),
334 VALID_STORAGE_OPERATIONS = {
335 ST_LVM_VG: frozenset([SO_FIX_CONSISTENCY]),
339 # Note: Code depends on LDS_OKAY < LDS_UNKNOWN < LDS_FAULTY
342 LDS_FAULTY) = range(1, 4)
344 # disk template types
345 DT_DISKLESS = "diskless"
349 DT_SHARED_FILE = "sharedfile"
350 DT_BLOCK = "blockdev"
353 # the set of network-mirrored disk templates
354 DTS_INT_MIRROR = frozenset([DT_DRBD8])
356 # the set of externally-mirrored disk templates (e.g. SAN, NAS)
357 DTS_EXT_MIRROR = frozenset([DT_SHARED_FILE, DT_BLOCK, DT_RBD])
359 # the set of non-lvm-based disk templates
360 DTS_NOT_LVM = frozenset([DT_DISKLESS, DT_FILE, DT_SHARED_FILE,
363 # the set of disk templates which can be grown
364 DTS_GROWABLE = frozenset([DT_PLAIN, DT_DRBD8, DT_FILE, DT_SHARED_FILE, DT_RBD])
366 # the set of disk templates that allow adoption
367 DTS_MAY_ADOPT = frozenset([DT_PLAIN, DT_BLOCK])
369 # the set of disk templates that *must* use adoption
370 DTS_MUST_ADOPT = frozenset([DT_BLOCK])
372 # the set of disk templates that allow migrations
373 DTS_MIRRORED = frozenset.union(DTS_INT_MIRROR, DTS_EXT_MIRROR)
375 # the set of file based disk templates
376 DTS_FILEBASED = frozenset([DT_FILE, DT_SHARED_FILE])
382 LD_BLOCKDEV = "blockdev"
384 LOGICAL_DISK_TYPES = frozenset([
392 LDS_BLOCK = frozenset([LD_LV, LD_DRBD8, LD_BLOCKDEV, LD_RBD])
395 DRBD_HMAC_ALG = "md5"
396 DRBD_NET_PROTOCOL = "C"
398 #: Size of DRBD meta block device
403 DRBD_B_DISK_BARRIERS = "b"
404 DRBD_B_DISK_DRAIN = "d"
405 DRBD_B_DISK_FLUSH = "f"
407 # Valid barrier combinations: "n" or any non-null subset of "bfd"
408 DRBD_VALID_BARRIER_OPT = frozenset([
409 frozenset([DRBD_B_NONE]),
410 frozenset([DRBD_B_DISK_BARRIERS]),
411 frozenset([DRBD_B_DISK_DRAIN]),
412 frozenset([DRBD_B_DISK_FLUSH]),
413 frozenset([DRBD_B_DISK_DRAIN, DRBD_B_DISK_FLUSH]),
414 frozenset([DRBD_B_DISK_DRAIN, DRBD_B_DISK_FLUSH]),
415 frozenset([DRBD_B_DISK_BARRIERS, DRBD_B_DISK_DRAIN]),
416 frozenset([DRBD_B_DISK_BARRIERS, DRBD_B_DISK_FLUSH]),
417 frozenset([DRBD_B_DISK_BARRIERS, DRBD_B_DISK_FLUSH, DRBD_B_DISK_DRAIN]),
423 # file backend driver
427 # the set of drbd-like disk types
428 LDS_DRBD = frozenset([LD_DRBD8])
433 DISK_ACCESS_SET = frozenset([DISK_RDONLY, DISK_RDWR])
435 # disk replacement mode
436 REPLACE_DISK_PRI = "replace_on_primary" # replace disks on primary
437 REPLACE_DISK_SEC = "replace_on_secondary" # replace disks on secondary
438 REPLACE_DISK_CHG = "replace_new_secondary" # change secondary node
439 REPLACE_DISK_AUTO = "replace_auto"
440 REPLACE_MODES = frozenset([
447 # Instance export mode
448 EXPORT_MODE_LOCAL = "local"
449 EXPORT_MODE_REMOTE = "remote"
450 EXPORT_MODES = frozenset([
455 # instance creation modes
456 INSTANCE_CREATE = "create"
457 INSTANCE_IMPORT = "import"
458 INSTANCE_REMOTE_IMPORT = "remote-import"
459 INSTANCE_CREATE_MODES = frozenset([
462 INSTANCE_REMOTE_IMPORT,
465 # Remote import/export handshake message and version
467 RIE_HANDSHAKE = "Hi, I'm Ganeti"
469 # Remote import/export certificate validity in seconds
470 RIE_CERT_VALIDITY = 24 * 60 * 60
472 # Overall timeout for establishing connection
473 RIE_CONNECT_TIMEOUT = 180
475 # Export only: how long to wait per connection attempt (seconds)
476 RIE_CONNECT_ATTEMPT_TIMEOUT = 20
478 # Export only: number of attempts to connect
479 RIE_CONNECT_RETRIES = 10
481 #: Give child process up to 5 seconds to exit after sending a signal
482 CHILD_LINGER_TIMEOUT = 5.0
484 DISK_TEMPLATES = frozenset([
494 FILE_DRIVER = frozenset([FD_LOOP, FD_BLKTAP])
496 # import/export config options
497 INISECT_EXP = "export"
498 INISECT_INS = "instance"
499 INISECT_HYP = "hypervisor"
500 INISECT_BEP = "backend"
503 # dynamic device modification
505 DDM_MODIFY = "modify"
506 DDM_REMOVE = "remove"
507 DDMS_VALUES = frozenset([DDM_ADD, DDM_REMOVE])
508 DDMS_VALUES_WITH_MODIFY = (DDMS_VALUES | frozenset([
511 # TODO: DDM_SWAP, DDM_MOVE?
518 EXIT_NODESETUP_ERROR = 12
519 EXIT_CONFIRMATION = 13 # need user confirmation
521 #: Exit code for query operations with unknown fields
522 EXIT_UNKNOWN_FIELD = 14
525 TAG_CLUSTER = "cluster"
526 TAG_NODEGROUP = "nodegroup"
528 TAG_INSTANCE = "instance"
529 VALID_TAG_TYPES = frozenset([
536 MAX_TAGS_PER_OBJ = 4096
539 DEFAULT_BRIDGE = "xen-br0"
540 CLASSIC_DRBD_SYNC_SPEED = 60 * 1024 # 60 MiB, expressed in KiB
541 IP4_ADDRESS_LOCALHOST = "127.0.0.1"
542 IP4_ADDRESS_ANY = "0.0.0.0"
543 IP6_ADDRESS_LOCALHOST = "::1"
544 IP6_ADDRESS_ANY = "::"
547 VALID_IP_VERSIONS = frozenset([IP4_VERSION, IP6_VERSION])
548 # for export to htools
549 IP4_FAMILY = socket.AF_INET
550 IP6_FAMILY = socket.AF_INET6
552 TCP_PING_TIMEOUT = 10
554 DEFAULT_DRBD_HELPER = "/bin/true"
556 DEFAULT_MAC_PREFIX = "aa:00:00"
557 # default maximum instance wait time, in seconds.
558 DEFAULT_SHUTDOWN_TIMEOUT = 120
559 NODE_MAX_CLOCK_SKEW = 150
560 # Time for an intra-cluster disk transfer to wait for a connection
561 DISK_TRANSFER_CONNECT_TIMEOUT = 60
562 # Disk index separator
563 DISK_SEPARATOR = _autoconf.DISK_SEPARATOR
564 IP_COMMAND_PATH = _autoconf.IP_PATH
566 #: Key for job IDs in opcode result
572 RUNPARTS_ERR) = range(3)
574 RUNPARTS_STATUS = frozenset([RUNPARTS_SKIP, RUNPARTS_RUN, RUNPARTS_ERR])
578 RPC_ENCODING_ZLIB_BASE64) = range(2)
580 # Various time constants for the timeout table
581 RPC_TMO_URGENT = 60 # one minute
582 RPC_TMO_FAST = 5 * 60 # five minutes
583 RPC_TMO_NORMAL = 15 * 60 # 15 minutes
584 RPC_TMO_SLOW = 3600 # one hour
585 RPC_TMO_4HRS = 4 * 3600
588 # Timeout for connecting to nodes (seconds)
589 RPC_CONNECT_TIMEOUT = 5
591 # os related constants
592 OS_SCRIPT_CREATE = "create"
593 OS_SCRIPT_IMPORT = "import"
594 OS_SCRIPT_EXPORT = "export"
595 OS_SCRIPT_RENAME = "rename"
596 OS_SCRIPT_VERIFY = "verify"
597 OS_SCRIPTS = frozenset([
605 OS_API_FILE = "ganeti_api_version"
606 OS_VARIANTS_FILE = "variants.list"
607 OS_PARAMETERS_FILE = "parameters.list"
609 OS_VALIDATE_PARAMETERS = "parameters"
610 OS_VALIDATE_CALLS = frozenset([OS_VALIDATE_PARAMETERS])
617 INSTANCE_REBOOT_SOFT = "soft"
618 INSTANCE_REBOOT_HARD = "hard"
619 INSTANCE_REBOOT_FULL = "full"
621 REBOOT_TYPES = frozenset([
622 INSTANCE_REBOOT_SOFT,
623 INSTANCE_REBOOT_HARD,
627 # instance reboot behaviors
628 INSTANCE_REBOOT_ALLOWED = "reboot"
629 INSTANCE_REBOOT_EXIT = "exit"
631 REBOOT_BEHAVIORS = frozenset([
632 INSTANCE_REBOOT_ALLOWED,
636 VTYPE_STRING = "string"
637 VTYPE_MAYBE_STRING = "maybe-string"
639 VTYPE_SIZE = "size" # size, in MiBs
641 ENFORCEABLE_TYPES = frozenset([
649 # Constant representing that the user does not specify any IP version
650 IFACE_NO_IP_VERSION_SPECIFIED = 0
652 # HV parameter names (global namespace)
653 HV_BOOT_ORDER = "boot_order"
654 HV_CDROM_IMAGE_PATH = "cdrom_image_path"
655 HV_KVM_CDROM2_IMAGE_PATH = "cdrom2_image_path"
656 HV_KVM_FLOPPY_IMAGE_PATH = "floppy_image_path"
657 HV_NIC_TYPE = "nic_type"
658 HV_DISK_TYPE = "disk_type"
659 HV_KVM_CDROM_DISK_TYPE = "cdrom_disk_type"
660 HV_VNC_BIND_ADDRESS = "vnc_bind_address"
661 HV_VNC_PASSWORD_FILE = "vnc_password_file"
662 HV_VNC_TLS = "vnc_tls"
663 HV_VNC_X509 = "vnc_x509_path"
664 HV_VNC_X509_VERIFY = "vnc_x509_verify"
665 HV_KVM_SPICE_BIND = "spice_bind"
666 HV_KVM_SPICE_IP_VERSION = "spice_ip_version"
667 HV_KVM_SPICE_PASSWORD_FILE = "spice_password_file"
668 HV_KVM_SPICE_LOSSLESS_IMG_COMPR = "spice_image_compression"
669 HV_KVM_SPICE_JPEG_IMG_COMPR = "spice_jpeg_wan_compression"
670 HV_KVM_SPICE_ZLIB_GLZ_IMG_COMPR = "spice_zlib_glz_wan_compression"
671 HV_KVM_SPICE_STREAMING_VIDEO_DETECTION = "spice_streaming_video"
672 HV_KVM_SPICE_AUDIO_COMPR = "spice_playback_compression"
673 HV_KVM_SPICE_USE_TLS = "spice_use_tls"
674 HV_KVM_SPICE_TLS_CIPHERS = "spice_tls_ciphers"
675 HV_KVM_SPICE_USE_VDAGENT = "spice_use_vdagent"
678 HV_USE_BOOTLOADER = "use_bootloader"
679 HV_BOOTLOADER_ARGS = "bootloader_args"
680 HV_BOOTLOADER_PATH = "bootloader_path"
681 HV_KERNEL_ARGS = "kernel_args"
682 HV_KERNEL_PATH = "kernel_path"
683 HV_INITRD_PATH = "initrd_path"
684 HV_ROOT_PATH = "root_path"
685 HV_SERIAL_CONSOLE = "serial_console"
686 HV_USB_MOUSE = "usb_mouse"
688 HV_DEVICE_MODEL = "device_model"
689 HV_INIT_SCRIPT = "init_script"
690 HV_MIGRATION_PORT = "migration_port"
691 HV_MIGRATION_BANDWIDTH = "migration_bandwidth"
692 HV_MIGRATION_DOWNTIME = "migration_downtime"
693 HV_MIGRATION_MODE = "migration_mode"
694 HV_USE_LOCALTIME = "use_localtime"
695 HV_DISK_CACHE = "disk_cache"
696 HV_SECURITY_MODEL = "security_model"
697 HV_SECURITY_DOMAIN = "security_domain"
698 HV_KVM_FLAG = "kvm_flag"
699 HV_VHOST_NET = "vhost_net"
700 HV_KVM_USE_CHROOT = "use_chroot"
701 HV_CPU_MASK = "cpu_mask"
702 HV_MEM_PATH = "mem_path"
703 HV_PASSTHROUGH = "pci_pass"
704 HV_BLOCKDEV_PREFIX = "blockdev_prefix"
705 HV_REBOOT_BEHAVIOR = "reboot_behavior"
706 HV_CPU_TYPE = "cpu_type"
707 HV_CPU_CAP = "cpu_cap"
708 HV_CPU_WEIGHT = "cpu_weight"
711 HVS_PARAMETER_TYPES = {
712 HV_BOOT_ORDER: VTYPE_STRING,
713 HV_KVM_FLOPPY_IMAGE_PATH: VTYPE_STRING,
714 HV_CDROM_IMAGE_PATH: VTYPE_STRING,
715 HV_KVM_CDROM2_IMAGE_PATH: VTYPE_STRING,
716 HV_NIC_TYPE: VTYPE_STRING,
717 HV_DISK_TYPE: VTYPE_STRING,
718 HV_KVM_CDROM_DISK_TYPE: VTYPE_STRING,
719 HV_VNC_PASSWORD_FILE: VTYPE_STRING,
720 HV_VNC_BIND_ADDRESS: VTYPE_STRING,
721 HV_VNC_TLS: VTYPE_BOOL,
722 HV_VNC_X509: VTYPE_STRING,
723 HV_VNC_X509_VERIFY: VTYPE_BOOL,
724 HV_KVM_SPICE_BIND: VTYPE_STRING,
725 HV_KVM_SPICE_IP_VERSION: VTYPE_INT,
726 HV_KVM_SPICE_PASSWORD_FILE: VTYPE_STRING,
727 HV_KVM_SPICE_LOSSLESS_IMG_COMPR: VTYPE_STRING,
728 HV_KVM_SPICE_JPEG_IMG_COMPR: VTYPE_STRING,
729 HV_KVM_SPICE_ZLIB_GLZ_IMG_COMPR: VTYPE_STRING,
730 HV_KVM_SPICE_STREAMING_VIDEO_DETECTION: VTYPE_STRING,
731 HV_KVM_SPICE_AUDIO_COMPR: VTYPE_BOOL,
732 HV_KVM_SPICE_USE_TLS: VTYPE_BOOL,
733 HV_KVM_SPICE_TLS_CIPHERS: VTYPE_STRING,
734 HV_KVM_SPICE_USE_VDAGENT: VTYPE_BOOL,
737 HV_USE_BOOTLOADER: VTYPE_BOOL,
738 HV_BOOTLOADER_PATH: VTYPE_STRING,
739 HV_BOOTLOADER_ARGS: VTYPE_STRING,
740 HV_KERNEL_PATH: VTYPE_STRING,
741 HV_KERNEL_ARGS: VTYPE_STRING,
742 HV_INITRD_PATH: VTYPE_STRING,
743 HV_ROOT_PATH: VTYPE_MAYBE_STRING,
744 HV_SERIAL_CONSOLE: VTYPE_BOOL,
745 HV_USB_MOUSE: VTYPE_STRING,
746 HV_KEYMAP: VTYPE_STRING,
747 HV_DEVICE_MODEL: VTYPE_STRING,
748 HV_INIT_SCRIPT: VTYPE_STRING,
749 HV_MIGRATION_PORT: VTYPE_INT,
750 HV_MIGRATION_BANDWIDTH: VTYPE_INT,
751 HV_MIGRATION_DOWNTIME: VTYPE_INT,
752 HV_MIGRATION_MODE: VTYPE_STRING,
753 HV_USE_LOCALTIME: VTYPE_BOOL,
754 HV_DISK_CACHE: VTYPE_STRING,
755 HV_SECURITY_MODEL: VTYPE_STRING,
756 HV_SECURITY_DOMAIN: VTYPE_STRING,
757 HV_KVM_FLAG: VTYPE_STRING,
758 HV_VHOST_NET: VTYPE_BOOL,
759 HV_KVM_USE_CHROOT: VTYPE_BOOL,
760 HV_CPU_MASK: VTYPE_STRING,
761 HV_MEM_PATH: VTYPE_STRING,
762 HV_PASSTHROUGH: VTYPE_STRING,
763 HV_BLOCKDEV_PREFIX: VTYPE_STRING,
764 HV_REBOOT_BEHAVIOR: VTYPE_STRING,
765 HV_CPU_TYPE: VTYPE_STRING,
766 HV_CPU_CAP: VTYPE_INT,
767 HV_CPU_WEIGHT: VTYPE_INT,
770 HVS_PARAMETERS = frozenset(HVS_PARAMETER_TYPES.keys())
772 HVS_PARAMETER_TITLES = {
774 HV_BOOT_ORDER: "Boot_order",
775 HV_CDROM_IMAGE_PATH: "CDROM_image_path",
776 HV_DISK_TYPE: "Disk_type",
777 HV_INITRD_PATH: "Initrd_path",
778 HV_KERNEL_PATH: "Kernel_path",
779 HV_NIC_TYPE: "NIC_type",
781 HV_VNC_BIND_ADDRESS: "VNC_bind_address",
782 HV_PASSTHROUGH: "pci_pass",
783 HV_CPU_TYPE: "cpu_type",
787 HV_MIGRATION_COMPLETED = "completed"
788 HV_MIGRATION_ACTIVE = "active"
789 HV_MIGRATION_FAILED = "failed"
790 HV_MIGRATION_CANCELLED = "cancelled"
792 HV_MIGRATION_VALID_STATUSES = frozenset([
793 HV_MIGRATION_COMPLETED,
796 HV_MIGRATION_CANCELLED,
799 HV_MIGRATION_FAILED_STATUSES = frozenset([
801 HV_MIGRATION_CANCELLED,
804 # KVM-specific statuses
805 HV_KVM_MIGRATION_VALID_STATUSES = HV_MIGRATION_VALID_STATUSES
808 HV_NODEINFO_KEY_VERSION = "hv_version"
811 HVST_MEMORY_TOTAL = "mem_total"
812 HVST_MEMORY_NODE = "mem_node"
813 HVST_MEMORY_HV = "mem_hv"
814 HVST_CPU_TOTAL = "cpu_total"
815 HVST_CPU_NODE = "cpu_node"
818 HVST_MEMORY_TOTAL: 0,
825 HVSTS_PARAMETER_TYPES = {
826 HVST_MEMORY_TOTAL: VTYPE_INT,
827 HVST_MEMORY_NODE: VTYPE_INT,
828 HVST_MEMORY_HV: VTYPE_INT,
829 HVST_CPU_TOTAL: VTYPE_INT,
830 HVST_CPU_NODE: VTYPE_INT,
833 HVSTS_PARAMETERS = frozenset(HVSTS_PARAMETER_TYPES.keys())
836 DS_DISK_TOTAL = "disk_total"
837 DS_DISK_RESERVED = "disk_reserved"
838 DS_DISK_OVERHEAD = "disk_overhead"
846 DSS_PARAMETER_TYPES = {
847 DS_DISK_TOTAL: VTYPE_INT,
848 DS_DISK_RESERVED: VTYPE_INT,
849 DS_DISK_OVERHEAD: VTYPE_INT,
852 DSS_PARAMETERS = frozenset(DSS_PARAMETER_TYPES.keys())
853 DS_VALID_TYPES = frozenset([LD_LV])
855 # Backend parameter names
856 BE_MEMORY = "memory" # deprecated and replaced by max and min mem
860 BE_AUTO_BALANCE = "auto_balance"
861 BE_ALWAYS_FAILOVER = "always_failover"
862 BE_SPINDLE_USE = "spindle_use"
864 BES_PARAMETER_TYPES = {
865 BE_MAXMEM: VTYPE_SIZE,
866 BE_MINMEM: VTYPE_SIZE,
868 BE_AUTO_BALANCE: VTYPE_BOOL,
869 BE_ALWAYS_FAILOVER: VTYPE_BOOL,
870 BE_SPINDLE_USE: VTYPE_INT,
873 BES_PARAMETER_TITLES = {
874 BE_AUTO_BALANCE: "Auto_balance",
875 BE_MAXMEM: "ConfigMaxMem",
876 BE_MINMEM: "ConfigMinMem",
877 BE_VCPUS: "ConfigVCPUs",
880 BES_PARAMETER_COMPAT = {
881 BE_MEMORY: VTYPE_SIZE,
883 BES_PARAMETER_COMPAT.update(BES_PARAMETER_TYPES)
885 BES_PARAMETERS = frozenset(BES_PARAMETER_TYPES.keys())
888 ISPEC_MEM_SIZE = "memory-size"
889 ISPEC_CPU_COUNT = "cpu-count"
890 ISPEC_DISK_COUNT = "disk-count"
891 ISPEC_DISK_SIZE = "disk-size"
892 ISPEC_NIC_COUNT = "nic-count"
893 ISPEC_SPINDLE_USE = "spindle-use"
895 ISPECS_PARAMETER_TYPES = {
896 ISPEC_MEM_SIZE: VTYPE_INT,
897 ISPEC_CPU_COUNT: VTYPE_INT,
898 ISPEC_DISK_COUNT: VTYPE_INT,
899 ISPEC_DISK_SIZE: VTYPE_INT,
900 ISPEC_NIC_COUNT: VTYPE_INT,
901 ISPEC_SPINDLE_USE: VTYPE_INT,
904 ISPECS_PARAMETERS = frozenset(ISPECS_PARAMETER_TYPES.keys())
909 IPOLICY_DTS = "disk-templates"
910 IPOLICY_VCPU_RATIO = "vcpu-ratio"
911 IPOLICY_SPINDLE_RATIO = "spindle-ratio"
913 IPOLICY_ISPECS = frozenset([
919 IPOLICY_PARAMETERS = frozenset([
921 IPOLICY_SPINDLE_RATIO,
924 IPOLICY_ALL_KEYS = (IPOLICY_ISPECS |
926 frozenset([IPOLICY_DTS]))
928 # Node parameter names
929 ND_OOB_PROGRAM = "oob_program"
930 ND_SPINDLE_COUNT = "spindle_count"
932 NDS_PARAMETER_TYPES = {
933 ND_OOB_PROGRAM: VTYPE_STRING,
934 ND_SPINDLE_COUNT: VTYPE_INT,
937 NDS_PARAMETERS = frozenset(NDS_PARAMETER_TYPES.keys())
939 NDS_PARAMETER_TITLES = {
940 ND_OOB_PROGRAM: "OutOfBandProgram",
941 ND_SPINDLE_COUNT: "SpindleCount",
944 # Logical Disks parameters
945 LDP_RESYNC_RATE = "resync-rate"
946 LDP_STRIPES = "stripes"
947 LDP_BARRIERS = "disabled-barriers"
948 LDP_NO_META_FLUSH = "disable-meta-flush"
949 LDP_DEFAULT_METAVG = "default-metavg"
950 LDP_DISK_CUSTOM = "disk-custom"
951 LDP_NET_CUSTOM = "net-custom"
952 LDP_DYNAMIC_RESYNC = "dynamic-resync"
953 LDP_PLAN_AHEAD = "c-plan-ahead"
954 LDP_FILL_TARGET = "c-fill-target"
955 LDP_DELAY_TARGET = "c-delay-target"
956 LDP_MAX_RATE = "c-max-rate"
957 LDP_MIN_RATE = "c-min-rate"
960 LDP_RESYNC_RATE: VTYPE_INT,
961 LDP_STRIPES: VTYPE_INT,
962 LDP_BARRIERS: VTYPE_STRING,
963 LDP_NO_META_FLUSH: VTYPE_BOOL,
964 LDP_DEFAULT_METAVG: VTYPE_STRING,
965 LDP_DISK_CUSTOM: VTYPE_STRING,
966 LDP_NET_CUSTOM: VTYPE_STRING,
967 LDP_DYNAMIC_RESYNC: VTYPE_BOOL,
968 LDP_PLAN_AHEAD: VTYPE_INT,
969 LDP_FILL_TARGET: VTYPE_INT,
970 LDP_DELAY_TARGET: VTYPE_INT,
971 LDP_MAX_RATE: VTYPE_INT,
972 LDP_MIN_RATE: VTYPE_INT,
973 LDP_POOL: VTYPE_STRING,
975 DISK_LD_PARAMETERS = frozenset(DISK_LD_TYPES.keys())
977 # Disk template parameters (can be set/changed by the user via gnt-cluster and
979 DRBD_RESYNC_RATE = "resync-rate"
980 DRBD_DATA_STRIPES = "data-stripes"
981 DRBD_META_STRIPES = "meta-stripes"
982 DRBD_DISK_BARRIERS = "disk-barriers"
983 DRBD_META_BARRIERS = "meta-barriers"
984 DRBD_DEFAULT_METAVG = "metavg"
985 DRBD_DISK_CUSTOM = "disk-custom"
986 DRBD_NET_CUSTOM = "net-custom"
987 DRBD_DYNAMIC_RESYNC = "dynamic-resync"
988 DRBD_PLAN_AHEAD = "c-plan-ahead"
989 DRBD_FILL_TARGET = "c-fill-target"
990 DRBD_DELAY_TARGET = "c-delay-target"
991 DRBD_MAX_RATE = "c-max-rate"
992 DRBD_MIN_RATE = "c-min-rate"
993 LV_STRIPES = "stripes"
996 DRBD_RESYNC_RATE: VTYPE_INT,
997 DRBD_DATA_STRIPES: VTYPE_INT,
998 DRBD_META_STRIPES: VTYPE_INT,
999 DRBD_DISK_BARRIERS: VTYPE_STRING,
1000 DRBD_META_BARRIERS: VTYPE_BOOL,
1001 DRBD_DEFAULT_METAVG: VTYPE_STRING,
1002 DRBD_DISK_CUSTOM: VTYPE_STRING,
1003 DRBD_NET_CUSTOM: VTYPE_STRING,
1004 DRBD_DYNAMIC_RESYNC: VTYPE_BOOL,
1005 DRBD_PLAN_AHEAD: VTYPE_INT,
1006 DRBD_FILL_TARGET: VTYPE_INT,
1007 DRBD_DELAY_TARGET: VTYPE_INT,
1008 DRBD_MAX_RATE: VTYPE_INT,
1009 DRBD_MIN_RATE: VTYPE_INT,
1010 LV_STRIPES: VTYPE_INT,
1011 RBD_POOL: VTYPE_STRING,
1014 DISK_DT_PARAMETERS = frozenset(DISK_DT_TYPES.keys())
1016 # OOB supported commands
1017 OOB_POWER_ON = "power-on"
1018 OOB_POWER_OFF = "power-off"
1019 OOB_POWER_CYCLE = "power-cycle"
1020 OOB_POWER_STATUS = "power-status"
1021 OOB_HEALTH = "health"
1023 OOB_COMMANDS = frozenset([
1031 OOB_POWER_STATUS_POWERED = "powered"
1033 OOB_TIMEOUT = 60 # 60 seconds
1034 OOB_POWER_DELAY = 2.0 # 2 seconds
1036 OOB_STATUS_OK = "OK"
1037 OOB_STATUS_WARNING = "WARNING"
1038 OOB_STATUS_CRITICAL = "CRITICAL"
1039 OOB_STATUS_UNKNOWN = "UNKNOWN"
1041 OOB_STATUSES = frozenset([
1044 OOB_STATUS_CRITICAL,
1048 # Instance Parameters Profile
1049 PP_DEFAULT = "default"
1051 # NIC_* constants are used inside the ganeti config
1055 NIC_MODE_BRIDGED = "bridged"
1056 NIC_MODE_ROUTED = "routed"
1058 NIC_VALID_MODES = frozenset([NIC_MODE_BRIDGED, NIC_MODE_ROUTED])
1060 NICS_PARAMETER_TYPES = {
1061 NIC_MODE: VTYPE_STRING,
1062 NIC_LINK: VTYPE_STRING,
1065 NICS_PARAMETERS = frozenset(NICS_PARAMETER_TYPES.keys())
1067 # IDISK_* constants are used in opcodes, to create/change disks
1070 IDISK_ADOPT = "adopt"
1072 IDISK_METAVG = "metavg"
1073 IDISK_PARAMS_TYPES = {
1074 IDISK_SIZE: VTYPE_SIZE,
1075 IDISK_MODE: VTYPE_STRING,
1076 IDISK_ADOPT: VTYPE_STRING,
1077 IDISK_VG: VTYPE_STRING,
1078 IDISK_METAVG: VTYPE_STRING,
1080 IDISK_PARAMS = frozenset(IDISK_PARAMS_TYPES.keys())
1082 # INIC_* constants are used in opcodes, to create/change nics
1087 INIC_PARAMS_TYPES = {
1088 INIC_IP: VTYPE_MAYBE_STRING,
1089 INIC_LINK: VTYPE_STRING,
1090 INIC_MAC: VTYPE_STRING,
1091 INIC_MODE: VTYPE_STRING,
1093 INIC_PARAMS = frozenset(INIC_PARAMS_TYPES.keys())
1095 # Hypervisor constants
1096 HT_XEN_PVM = "xen-pvm"
1098 HT_XEN_HVM = "xen-hvm"
1100 HT_CHROOT = "chroot"
1102 HYPER_TYPES = frozenset([
1110 HTS_REQ_PORT = frozenset([HT_XEN_HVM, HT_KVM])
1112 VNC_BASE_PORT = 5900
1113 VNC_DEFAULT_BIND_ADDRESS = IP4_ADDRESS_ANY
1116 HT_NIC_RTL8139 = "rtl8139"
1117 HT_NIC_NE2K_PCI = "ne2k_pci"
1118 HT_NIC_NE2K_ISA = "ne2k_isa"
1119 HT_NIC_I82551 = "i82551"
1120 HT_NIC_I85557B = "i82557b"
1121 HT_NIC_I8259ER = "i82559er"
1122 HT_NIC_PCNET = "pcnet"
1123 HT_NIC_E1000 = "e1000"
1124 HT_NIC_PARAVIRTUAL = HT_DISK_PARAVIRTUAL = "paravirtual"
1126 HT_HVM_VALID_NIC_TYPES = frozenset([
1133 HT_KVM_VALID_NIC_TYPES = frozenset([
1146 HT_DISK_IOEMU = "ioemu"
1148 HT_DISK_SCSI = "scsi"
1151 HT_DISK_PFLASH = "pflash"
1153 HT_CACHE_DEFAULT = "default"
1154 HT_CACHE_NONE = "none"
1155 HT_CACHE_WTHROUGH = "writethrough"
1156 HT_CACHE_WBACK = "writeback"
1157 HT_VALID_CACHE_TYPES = frozenset([
1164 HT_HVM_VALID_DISK_TYPES = frozenset([HT_DISK_PARAVIRTUAL, HT_DISK_IOEMU])
1165 HT_KVM_VALID_DISK_TYPES = frozenset([
1166 HT_DISK_PARAVIRTUAL,
1175 HT_MOUSE_MOUSE = "mouse"
1176 HT_MOUSE_TABLET = "tablet"
1178 HT_KVM_VALID_MOUSE_TYPES = frozenset([HT_MOUSE_MOUSE, HT_MOUSE_TABLET])
1181 HT_BO_FLOPPY = "floppy"
1182 HT_BO_CDROM = "cdrom"
1184 HT_BO_NETWORK = "network"
1186 HT_KVM_VALID_BO_TYPES = frozenset([
1193 # SPICE lossless image compression options
1194 HT_KVM_SPICE_LOSSLESS_IMG_COMPR_AUTO_GLZ = "auto_glz"
1195 HT_KVM_SPICE_LOSSLESS_IMG_COMPR_AUTO_LZ = "auto_lz"
1196 HT_KVM_SPICE_LOSSLESS_IMG_COMPR_QUIC = "quic"
1197 HT_KVM_SPICE_LOSSLESS_IMG_COMPR_GLZ = "glz"
1198 HT_KVM_SPICE_LOSSLESS_IMG_COMPR_LZ = "lz"
1199 HT_KVM_SPICE_LOSSLESS_IMG_COMPR_OFF = "off"
1201 HT_KVM_SPICE_VALID_LOSSLESS_IMG_COMPR_OPTIONS = frozenset([
1202 HT_KVM_SPICE_LOSSLESS_IMG_COMPR_AUTO_GLZ,
1203 HT_KVM_SPICE_LOSSLESS_IMG_COMPR_AUTO_LZ,
1204 HT_KVM_SPICE_LOSSLESS_IMG_COMPR_QUIC,
1205 HT_KVM_SPICE_LOSSLESS_IMG_COMPR_GLZ,
1206 HT_KVM_SPICE_LOSSLESS_IMG_COMPR_LZ,
1207 HT_KVM_SPICE_LOSSLESS_IMG_COMPR_OFF,
1210 # SPICE lossy image compression options (valid for both jpeg and zlib-glz)
1211 HT_KVM_SPICE_LOSSY_IMG_COMPR_AUTO = "auto"
1212 HT_KVM_SPICE_LOSSY_IMG_COMPR_NEVER = "never"
1213 HT_KVM_SPICE_LOSSY_IMG_COMPR_ALWAYS = "always"
1215 HT_KVM_SPICE_VALID_LOSSY_IMG_COMPR_OPTIONS = frozenset([
1216 HT_KVM_SPICE_LOSSY_IMG_COMPR_AUTO,
1217 HT_KVM_SPICE_LOSSY_IMG_COMPR_NEVER,
1218 HT_KVM_SPICE_LOSSY_IMG_COMPR_ALWAYS,
1221 # SPICE video stream detection
1222 HT_KVM_SPICE_VIDEO_STREAM_DETECTION_OFF = "off"
1223 HT_KVM_SPICE_VIDEO_STREAM_DETECTION_ALL = "all"
1224 HT_KVM_SPICE_VIDEO_STREAM_DETECTION_FILTER = "filter"
1226 HT_KVM_SPICE_VALID_VIDEO_STREAM_DETECTION_OPTIONS = frozenset([
1227 HT_KVM_SPICE_VIDEO_STREAM_DETECTION_OFF,
1228 HT_KVM_SPICE_VIDEO_STREAM_DETECTION_ALL,
1229 HT_KVM_SPICE_VIDEO_STREAM_DETECTION_FILTER,
1237 HT_KVM_VALID_SM_TYPES = frozenset([HT_SM_NONE, HT_SM_USER, HT_SM_POOL])
1240 HT_KVM_ENABLED = "enabled"
1241 HT_KVM_DISABLED = "disabled"
1243 HT_KVM_FLAG_VALUES = frozenset([HT_KVM_ENABLED, HT_KVM_DISABLED])
1246 HT_MIGRATION_LIVE = "live"
1247 HT_MIGRATION_NONLIVE = "non-live"
1248 HT_MIGRATION_MODES = frozenset([HT_MIGRATION_LIVE, HT_MIGRATION_NONLIVE])
1250 # Cluster Verify steps
1251 VERIFY_NPLUSONE_MEM = "nplusone_mem"
1252 VERIFY_OPTIONAL_CHECKS = frozenset([VERIFY_NPLUSONE_MEM])
1254 # Cluster Verify error classes
1255 CV_TCLUSTER = "cluster"
1257 CV_TINSTANCE = "instance"
1259 # Cluster Verify error codes and documentation
1261 (CV_TCLUSTER, "ECLUSTERCFG", "Cluster configuration verification failure")
1263 (CV_TCLUSTER, "ECLUSTERCERT",
1264 "Cluster certificate files verification failure")
1265 CV_ECLUSTERFILECHECK = \
1266 (CV_TCLUSTER, "ECLUSTERFILECHECK",
1267 "Cluster configuration verification failure")
1268 CV_ECLUSTERDANGLINGNODES = \
1269 (CV_TNODE, "ECLUSTERDANGLINGNODES",
1270 "Some nodes belong to non-existing groups")
1271 CV_ECLUSTERDANGLINGINST = \
1272 (CV_TNODE, "ECLUSTERDANGLINGINST",
1273 "Some instances have a non-existing primary node")
1274 CV_EINSTANCEBADNODE = \
1275 (CV_TINSTANCE, "EINSTANCEBADNODE",
1276 "Instance marked as running lives on an offline node")
1277 CV_EINSTANCEDOWN = \
1278 (CV_TINSTANCE, "EINSTANCEDOWN", "Instance not running on its primary node")
1279 CV_EINSTANCELAYOUT = \
1280 (CV_TINSTANCE, "EINSTANCELAYOUT", "Instance has multiple secondary nodes")
1281 CV_EINSTANCEMISSINGDISK = \
1282 (CV_TINSTANCE, "EINSTANCEMISSINGDISK", "Missing volume on an instance")
1283 CV_EINSTANCEFAULTYDISK = \
1284 (CV_TINSTANCE, "EINSTANCEFAULTYDISK",
1285 "Impossible to retrieve status for a disk")
1286 CV_EINSTANCEWRONGNODE = \
1287 (CV_TINSTANCE, "EINSTANCEWRONGNODE", "Instance running on the wrong node")
1288 CV_EINSTANCESPLITGROUPS = \
1289 (CV_TINSTANCE, "EINSTANCESPLITGROUPS",
1290 "Instance with primary and secondary nodes in different groups")
1291 CV_EINSTANCEPOLICY = \
1292 (CV_TINSTANCE, "EINSTANCEPOLICY",
1293 "Instance does not meet policy")
1295 (CV_TNODE, "ENODEDRBD", "Error parsing the DRBD status file")
1296 CV_ENODEDRBDHELPER = \
1297 (CV_TNODE, "ENODEDRBDHELPER", "Error caused by the DRBD helper")
1298 CV_ENODEFILECHECK = \
1299 (CV_TNODE, "ENODEFILECHECK",
1300 "Error retrieving the checksum of the node files")
1302 (CV_TNODE, "ENODEHOOKS", "Communication failure in hooks execution")
1304 (CV_TNODE, "ENODEHV", "Hypervisor parameters verification failure")
1306 (CV_TNODE, "ENODELVM", "LVM-related node error")
1308 (CV_TNODE, "ENODEN1", "Not enough memory to accommodate instance failovers")
1310 (CV_TNODE, "ENODENET", "Network-related node error")
1312 (CV_TNODE, "ENODEOS", "OS-related node error")
1313 CV_ENODEORPHANINSTANCE = \
1314 (CV_TNODE, "ENODEORPHANINSTANCE", "Unknown intance running on a node")
1315 CV_ENODEORPHANLV = \
1316 (CV_TNODE, "ENODEORPHANLV", "Unknown LVM logical volume")
1318 (CV_TNODE, "ENODERPC",
1319 "Error during connection to the primary node of an instance")
1321 (CV_TNODE, "ENODESSH", "SSH-related node error")
1323 (CV_TNODE, "ENODEVERSION",
1324 "Protocol version mismatch or Ganeti version mismatch")
1326 (CV_TNODE, "ENODESETUP", "Node setup error")
1328 (CV_TNODE, "ENODETIME", "Node returned invalid time")
1330 (CV_TNODE, "ENODEOOBPATH", "Invalid Out Of Band path")
1331 CV_ENODEUSERSCRIPTS = \
1332 (CV_TNODE, "ENODEUSERSCRIPTS", "User scripts not present or not executable")
1333 CV_ENODEFILESTORAGEPATHS = \
1334 (CV_TNODE, "ENODEFILESTORAGEPATHS", "Detected bad file storage paths")
1336 CV_ALL_ECODES = frozenset([
1339 CV_ECLUSTERFILECHECK,
1340 CV_ECLUSTERDANGLINGNODES,
1341 CV_ECLUSTERDANGLINGINST,
1342 CV_EINSTANCEBADNODE,
1345 CV_EINSTANCEMISSINGDISK,
1346 CV_EINSTANCEFAULTYDISK,
1347 CV_EINSTANCEWRONGNODE,
1348 CV_EINSTANCESPLITGROUPS,
1359 CV_ENODEORPHANINSTANCE,
1367 CV_ENODEUSERSCRIPTS,
1368 CV_ENODEFILESTORAGEPATHS,
1371 CV_ALL_ECODES_STRINGS = frozenset(estr for (_, estr, _) in CV_ALL_ECODES)
1373 # Node verify constants
1374 NV_DRBDHELPER = "drbd-helper"
1375 NV_DRBDLIST = "drbd-list"
1376 NV_FILELIST = "filelist"
1377 NV_HVINFO = "hvinfo"
1378 NV_HYPERVISOR = "hypervisor"
1379 NV_HVPARAMS = "hvparms"
1380 NV_INSTANCELIST = "instancelist"
1381 NV_LVLIST = "lvlist"
1382 NV_MASTERIP = "master-ip"
1383 NV_NODELIST = "nodelist"
1384 NV_NODENETTEST = "node-net-test"
1385 NV_NODESETUP = "nodesetup"
1386 NV_OSLIST = "oslist"
1387 NV_PVLIST = "pvlist"
1389 NV_VERSION = "version"
1390 NV_VGLIST = "vglist"
1391 NV_VMNODES = "vmnodes"
1392 NV_OOB_PATHS = "oob-paths"
1393 NV_BRIDGES = "bridges"
1394 NV_USERSCRIPTS = "user-scripts"
1395 NV_FILE_STORAGE_PATHS = "file-storage-paths"
1398 INSTST_RUNNING = "running"
1399 INSTST_ADMINDOWN = "ADMIN_down"
1400 INSTST_ADMINOFFLINE = "ADMIN_offline"
1401 INSTST_NODEOFFLINE = "ERROR_nodeoffline"
1402 INSTST_NODEDOWN = "ERROR_nodedown"
1403 INSTST_WRONGNODE = "ERROR_wrongnode"
1404 INSTST_ERRORUP = "ERROR_up"
1405 INSTST_ERRORDOWN = "ERROR_down"
1406 INSTST_ALL = frozenset([
1409 INSTST_ADMINOFFLINE,
1419 ADMINST_DOWN = "down"
1420 ADMINST_OFFLINE = "offline"
1421 ADMINST_ALL = frozenset([
1433 NR_ALL = frozenset([
1441 # SSL certificate check constants (in days)
1442 SSL_CERT_EXPIRATION_WARN = 30
1443 SSL_CERT_EXPIRATION_ERROR = 7
1445 # Allocator framework constants
1446 IALLOCATOR_VERSION = 2
1447 IALLOCATOR_DIR_IN = "in"
1448 IALLOCATOR_DIR_OUT = "out"
1449 VALID_IALLOCATOR_DIRECTIONS = frozenset([
1453 IALLOCATOR_MODE_ALLOC = "allocate"
1454 IALLOCATOR_MODE_RELOC = "relocate"
1455 IALLOCATOR_MODE_CHG_GROUP = "change-group"
1456 IALLOCATOR_MODE_NODE_EVAC = "node-evacuate"
1457 IALLOCATOR_MODE_MULTI_ALLOC = "multi-allocate"
1458 VALID_IALLOCATOR_MODES = frozenset([
1459 IALLOCATOR_MODE_ALLOC,
1460 IALLOCATOR_MODE_RELOC,
1461 IALLOCATOR_MODE_CHG_GROUP,
1462 IALLOCATOR_MODE_NODE_EVAC,
1463 IALLOCATOR_MODE_MULTI_ALLOC,
1465 IALLOCATOR_SEARCH_PATH = _autoconf.IALLOCATOR_SEARCH_PATH
1466 DEFAULT_IALLOCATOR_SHORTCUT = "."
1468 IALLOCATOR_NEVAC_PRI = "primary-only"
1469 IALLOCATOR_NEVAC_SEC = "secondary-only"
1470 IALLOCATOR_NEVAC_ALL = "all"
1471 IALLOCATOR_NEVAC_MODES = frozenset([
1472 IALLOCATOR_NEVAC_PRI,
1473 IALLOCATOR_NEVAC_SEC,
1474 IALLOCATOR_NEVAC_ALL,
1478 NODE_EVAC_PRI = "primary-only"
1479 NODE_EVAC_SEC = "secondary-only"
1480 NODE_EVAC_ALL = "all"
1481 NODE_EVAC_MODES = frozenset([
1488 JOB_QUEUE_VERSION = 1
1489 JOB_QUEUE_SIZE_HARD_LIMIT = 5000
1491 JOB_ID_TEMPLATE = r"\d+"
1492 JOB_FILE_RE = re.compile(r"^job-(%s)$" % JOB_ID_TEMPLATE)
1494 # unchanged job return
1495 JOB_NOTCHANGED = "nochange"
1498 JOB_STATUS_QUEUED = "queued"
1499 JOB_STATUS_WAITING = "waiting"
1500 JOB_STATUS_CANCELING = "canceling"
1501 JOB_STATUS_RUNNING = "running"
1502 JOB_STATUS_CANCELED = "canceled"
1503 JOB_STATUS_SUCCESS = "success"
1504 JOB_STATUS_ERROR = "error"
1505 JOBS_PENDING = frozenset([
1508 JOB_STATUS_CANCELING,
1510 JOBS_FINALIZED = frozenset([
1511 JOB_STATUS_CANCELED,
1515 JOB_STATUS_ALL = frozenset([
1517 ]) | JOBS_PENDING | JOBS_FINALIZED
1521 OP_STATUS_QUEUED = "queued"
1522 OP_STATUS_WAITING = "waiting"
1523 OP_STATUS_CANCELING = "canceling"
1524 OP_STATUS_RUNNING = "running"
1526 OP_STATUS_CANCELED = "canceled"
1527 OP_STATUS_SUCCESS = "success"
1528 OP_STATUS_ERROR = "error"
1529 OPS_FINALIZED = frozenset([
1536 OP_PRIO_LOWEST = +19
1537 OP_PRIO_HIGHEST = -20
1543 OP_PRIO_SUBMIT_VALID = frozenset([
1549 OP_PRIO_DEFAULT = OP_PRIO_NORMAL
1551 # Lock recalculate mode
1552 LOCKS_REPLACE = "replace"
1553 LOCKS_APPEND = "append"
1555 # Lock timeout (sum) before we should go into blocking acquire (still
1556 # can be reset by priority change); computed as max time (10 hours)
1557 # before we should actually go into blocking acquire given that we
1558 # start from default priority level; in seconds
1560 LOCK_ATTEMPTS_TIMEOUT = 10 * 3600 / (OP_PRIO_DEFAULT - OP_PRIO_HIGHEST)
1561 LOCK_ATTEMPTS_MAXWAIT = 15.0
1562 LOCK_ATTEMPTS_MINWAIT = 1.0
1564 # Execution log types
1565 ELOG_MESSAGE = "message"
1566 ELOG_REMOTE_IMPORT = "remote-import"
1567 ELOG_JQUEUE_TEST = "jqueue-test"
1569 # /etc/hosts modification
1570 ETC_HOSTS_ADD = "add"
1571 ETC_HOSTS_REMOVE = "remove"
1574 JQT_MSGPREFIX = "TESTMSG="
1575 JQT_EXPANDNAMES = "expandnames"
1577 JQT_LOGMSG = "logmsg"
1578 JQT_STARTMSG = "startmsg"
1579 JQT_ALL = frozenset([
1587 QR_CLUSTER = "cluster"
1588 QR_INSTANCE = "instance"
1594 QR_EXPORT = "export"
1596 #: List of resources which can be queried using L{opcodes.OpQuery}
1597 QR_VIA_OP = frozenset([
1606 #: List of resources which can be queried using Local UniX Interface
1607 QR_VIA_LUXI = QR_VIA_OP.union([
1612 #: List of resources which can be queried using RAPI
1613 QR_VIA_RAPI = QR_VIA_LUXI
1616 QFT_UNKNOWN = "unknown"
1619 QFT_NUMBER = "number"
1621 QFT_TIMESTAMP = "timestamp"
1624 #: All query field types
1625 QFT_ALL = frozenset([
1635 # Query result field status (don't change or reuse values as they're used by
1637 #: Normal field status
1641 #: No data (e.g. RPC error), can be used instead of L{RS_OFFLINE}
1643 #: Value unavailable/unsupported for item; if this field is supported
1644 #: but we cannot get the data for the moment, RS_NODATA or
1645 #: RS_OFFLINE should be used
1647 #: Resource marked offline
1650 RS_ALL = frozenset([
1658 #: Dictionary with special field cases and their verbose/terse formatting
1660 RS_UNKNOWN: ("(unknown)", "??"),
1661 RS_NODATA: ("(nodata)", "?"),
1662 RS_OFFLINE: ("(offline)", "*"),
1663 RS_UNAVAIL: ("(unavail)", "-"),
1666 # max dynamic devices
1670 # SSCONF file prefix
1671 SSCONF_FILEPREFIX = "ssconf_"
1673 SS_CLUSTER_NAME = "cluster_name"
1674 SS_CLUSTER_TAGS = "cluster_tags"
1675 SS_FILE_STORAGE_DIR = "file_storage_dir"
1676 SS_SHARED_FILE_STORAGE_DIR = "shared_file_storage_dir"
1677 SS_MASTER_CANDIDATES = "master_candidates"
1678 SS_MASTER_CANDIDATES_IPS = "master_candidates_ips"
1679 SS_MASTER_IP = "master_ip"
1680 SS_MASTER_NETDEV = "master_netdev"
1681 SS_MASTER_NETMASK = "master_netmask"
1682 SS_MASTER_NODE = "master_node"
1683 SS_NODE_LIST = "node_list"
1684 SS_NODE_PRIMARY_IPS = "node_primary_ips"
1685 SS_NODE_SECONDARY_IPS = "node_secondary_ips"
1686 SS_OFFLINE_NODES = "offline_nodes"
1687 SS_ONLINE_NODES = "online_nodes"
1688 SS_PRIMARY_IP_FAMILY = "primary_ip_family"
1689 SS_INSTANCE_LIST = "instance_list"
1690 SS_RELEASE_VERSION = "release_version"
1691 SS_HYPERVISOR_LIST = "hypervisor_list"
1692 SS_MAINTAIN_NODE_HEALTH = "maintain_node_health"
1693 SS_UID_POOL = "uid_pool"
1694 SS_NODEGROUPS = "nodegroups"
1696 SS_FILE_PERMS = 0444
1698 # cluster wide default parameters
1699 DEFAULT_ENABLED_HYPERVISOR = HT_XEN_PVM
1703 HV_USE_BOOTLOADER: False,
1704 HV_BOOTLOADER_PATH: XEN_BOOTLOADER,
1705 HV_BOOTLOADER_ARGS: "",
1706 HV_KERNEL_PATH: XEN_KERNEL,
1708 HV_ROOT_PATH: "/dev/sda1",
1709 HV_KERNEL_ARGS: "ro",
1710 HV_MIGRATION_PORT: 8002,
1711 HV_MIGRATION_MODE: HT_MIGRATION_LIVE,
1712 HV_BLOCKDEV_PREFIX: "sd",
1713 HV_REBOOT_BEHAVIOR: INSTANCE_REBOOT_ALLOWED,
1714 HV_CPU_MASK: CPU_PINNING_ALL,
1719 HV_BOOT_ORDER: "cd",
1720 HV_CDROM_IMAGE_PATH: "",
1721 HV_NIC_TYPE: HT_NIC_RTL8139,
1722 HV_DISK_TYPE: HT_DISK_PARAVIRTUAL,
1723 HV_VNC_BIND_ADDRESS: IP4_ADDRESS_ANY,
1724 HV_VNC_PASSWORD_FILE: pathutils.VNC_PASSWORD_FILE,
1727 HV_KERNEL_PATH: "/usr/lib/xen/boot/hvmloader",
1728 HV_DEVICE_MODEL: "/usr/lib/xen/bin/qemu-dm",
1729 HV_MIGRATION_PORT: 8002,
1730 HV_MIGRATION_MODE: HT_MIGRATION_NONLIVE,
1731 HV_USE_LOCALTIME: False,
1732 HV_BLOCKDEV_PREFIX: "hd",
1734 HV_REBOOT_BEHAVIOR: INSTANCE_REBOOT_ALLOWED,
1735 HV_CPU_MASK: CPU_PINNING_ALL,
1740 HV_KERNEL_PATH: KVM_KERNEL,
1742 HV_KERNEL_ARGS: "ro",
1743 HV_ROOT_PATH: "/dev/vda1",
1745 HV_SERIAL_CONSOLE: True,
1746 HV_VNC_BIND_ADDRESS: "",
1749 HV_VNC_X509_VERIFY: False,
1750 HV_VNC_PASSWORD_FILE: "",
1751 HV_KVM_SPICE_BIND: "",
1752 HV_KVM_SPICE_IP_VERSION: IFACE_NO_IP_VERSION_SPECIFIED,
1753 HV_KVM_SPICE_PASSWORD_FILE: "",
1754 HV_KVM_SPICE_LOSSLESS_IMG_COMPR: "",
1755 HV_KVM_SPICE_JPEG_IMG_COMPR: "",
1756 HV_KVM_SPICE_ZLIB_GLZ_IMG_COMPR: "",
1757 HV_KVM_SPICE_STREAMING_VIDEO_DETECTION: "",
1758 HV_KVM_SPICE_AUDIO_COMPR: True,
1759 HV_KVM_SPICE_USE_TLS: False,
1760 HV_KVM_SPICE_TLS_CIPHERS: OPENSSL_CIPHERS,
1761 HV_KVM_SPICE_USE_VDAGENT: True,
1762 HV_KVM_FLOPPY_IMAGE_PATH: "",
1763 HV_CDROM_IMAGE_PATH: "",
1764 HV_KVM_CDROM2_IMAGE_PATH: "",
1765 HV_BOOT_ORDER: HT_BO_DISK,
1766 HV_NIC_TYPE: HT_NIC_PARAVIRTUAL,
1767 HV_DISK_TYPE: HT_DISK_PARAVIRTUAL,
1768 HV_KVM_CDROM_DISK_TYPE: "",
1771 HV_MIGRATION_PORT: 8102,
1772 HV_MIGRATION_BANDWIDTH: 32, # MiB/s
1773 HV_MIGRATION_DOWNTIME: 30, # ms
1774 HV_MIGRATION_MODE: HT_MIGRATION_LIVE,
1775 HV_USE_LOCALTIME: False,
1776 HV_DISK_CACHE: HT_CACHE_DEFAULT,
1777 HV_SECURITY_MODEL: HT_SM_NONE,
1778 HV_SECURITY_DOMAIN: "",
1780 HV_VHOST_NET: False,
1781 HV_KVM_USE_CHROOT: False,
1783 HV_REBOOT_BEHAVIOR: INSTANCE_REBOOT_ALLOWED,
1784 HV_CPU_MASK: CPU_PINNING_ALL,
1789 HV_INIT_SCRIPT: "/ganeti-chroot",
1796 HVC_GLOBALS = frozenset([
1798 HV_MIGRATION_BANDWIDTH,
1806 BE_AUTO_BALANCE: True,
1807 BE_ALWAYS_FAILOVER: False,
1813 ND_SPINDLE_COUNT: 1,
1816 DISK_LD_DEFAULTS = {
1818 LDP_RESYNC_RATE: CLASSIC_DRBD_SYNC_SPEED,
1819 LDP_BARRIERS: _autoconf.DRBD_BARRIERS,
1820 LDP_NO_META_FLUSH: _autoconf.DRBD_NO_META_FLUSH,
1821 LDP_DEFAULT_METAVG: DEFAULT_VG,
1822 LDP_DISK_CUSTOM: "",
1824 LDP_DYNAMIC_RESYNC: False,
1826 # The default values for the DRBD dynamic resync speed algorithm are taken
1827 # from the drbsetup 8.3.11 man page, except for c-plan-ahead (that we
1828 # don't need to set to 0, because we have a separate option to enable it)
1829 # and for c-max-rate, that we cap to the default value for the static resync
1831 LDP_PLAN_AHEAD: 20, # ds
1832 LDP_FILL_TARGET: 0, # sectors
1833 LDP_DELAY_TARGET: 1, # ds
1834 LDP_MAX_RATE: CLASSIC_DRBD_SYNC_SPEED, # KiB/s
1835 LDP_MIN_RATE: 4 * 1024, # KiB/s
1838 LDP_STRIPES: _autoconf.LVM_STRIPECOUNT
1847 # readability shortcuts
1848 _LV_DEFAULTS = DISK_LD_DEFAULTS[LD_LV]
1849 _DRBD_DEFAULTS = DISK_LD_DEFAULTS[LD_DRBD8]
1851 DISK_DT_DEFAULTS = {
1853 LV_STRIPES: DISK_LD_DEFAULTS[LD_LV][LDP_STRIPES],
1856 DRBD_RESYNC_RATE: _DRBD_DEFAULTS[LDP_RESYNC_RATE],
1857 DRBD_DATA_STRIPES: _LV_DEFAULTS[LDP_STRIPES],
1858 DRBD_META_STRIPES: _LV_DEFAULTS[LDP_STRIPES],
1859 DRBD_DISK_BARRIERS: _DRBD_DEFAULTS[LDP_BARRIERS],
1860 DRBD_META_BARRIERS: _DRBD_DEFAULTS[LDP_NO_META_FLUSH],
1861 DRBD_DEFAULT_METAVG: _DRBD_DEFAULTS[LDP_DEFAULT_METAVG],
1862 DRBD_DISK_CUSTOM: _DRBD_DEFAULTS[LDP_DISK_CUSTOM],
1863 DRBD_NET_CUSTOM: _DRBD_DEFAULTS[LDP_NET_CUSTOM],
1864 DRBD_DYNAMIC_RESYNC: _DRBD_DEFAULTS[LDP_DYNAMIC_RESYNC],
1865 DRBD_PLAN_AHEAD: _DRBD_DEFAULTS[LDP_PLAN_AHEAD],
1866 DRBD_FILL_TARGET: _DRBD_DEFAULTS[LDP_FILL_TARGET],
1867 DRBD_DELAY_TARGET: _DRBD_DEFAULTS[LDP_DELAY_TARGET],
1868 DRBD_MAX_RATE: _DRBD_DEFAULTS[LDP_MAX_RATE],
1869 DRBD_MIN_RATE: _DRBD_DEFAULTS[LDP_MIN_RATE],
1876 RBD_POOL: DISK_LD_DEFAULTS[LD_RBD][LDP_POOL]
1880 # we don't want to export the shortcuts
1881 del _LV_DEFAULTS, _DRBD_DEFAULTS
1884 NIC_MODE: NIC_MODE_BRIDGED,
1885 NIC_LINK: DEFAULT_BRIDGE,
1888 # All of the following values are quite arbitrarily - there are no
1889 # "good" defaults, these must be customised per-site
1890 IPOLICY_DEFAULTS = {
1892 ISPEC_MEM_SIZE: 128,
1894 ISPEC_DISK_COUNT: 1,
1895 ISPEC_DISK_SIZE: 1024,
1897 ISPEC_SPINDLE_USE: 1,
1900 ISPEC_MEM_SIZE: 32768,
1902 ISPEC_DISK_COUNT: MAX_DISKS,
1903 ISPEC_DISK_SIZE: 1024 * 1024,
1904 ISPEC_NIC_COUNT: MAX_NICS,
1905 ISPEC_SPINDLE_USE: 12,
1908 ISPEC_MEM_SIZE: 128,
1910 ISPEC_DISK_COUNT: 1,
1911 ISPEC_DISK_SIZE: 1024,
1913 ISPEC_SPINDLE_USE: 1,
1915 IPOLICY_DTS: DISK_TEMPLATES,
1916 IPOLICY_VCPU_RATIO: 4.0,
1917 IPOLICY_SPINDLE_RATIO: 32.0,
1920 MASTER_POOL_SIZE_DEFAULT = 10
1922 CONFD_PROTOCOL_VERSION = 1
1925 CONFD_REQ_NODE_ROLE_BYNAME = 1
1926 CONFD_REQ_NODE_PIP_BY_INSTANCE_IP = 2
1927 CONFD_REQ_CLUSTER_MASTER = 3
1928 CONFD_REQ_NODE_PIP_LIST = 4
1929 CONFD_REQ_MC_PIP_LIST = 5
1930 CONFD_REQ_INSTANCES_IPS_LIST = 6
1931 CONFD_REQ_NODE_DRBD = 7
1933 # Confd request query fields. These are used to narrow down queries.
1934 # These must be strings rather than integers, because json-encoding
1935 # converts them to strings anyway, as they're used as dict-keys.
1936 CONFD_REQQ_LINK = "0"
1938 CONFD_REQQ_IPLIST = "2"
1939 CONFD_REQQ_FIELDS = "3"
1941 CONFD_REQFIELD_NAME = "0"
1942 CONFD_REQFIELD_IP = "1"
1943 CONFD_REQFIELD_MNODE_PIP = "2"
1945 CONFD_REQS = frozenset([
1947 CONFD_REQ_NODE_ROLE_BYNAME,
1948 CONFD_REQ_NODE_PIP_BY_INSTANCE_IP,
1949 CONFD_REQ_CLUSTER_MASTER,
1950 CONFD_REQ_NODE_PIP_LIST,
1951 CONFD_REQ_MC_PIP_LIST,
1952 CONFD_REQ_INSTANCES_IPS_LIST,
1953 CONFD_REQ_NODE_DRBD,
1956 CONFD_REPL_STATUS_OK = 0
1957 CONFD_REPL_STATUS_ERROR = 1
1958 CONFD_REPL_STATUS_NOTIMPLEMENTED = 2
1960 CONFD_REPL_STATUSES = frozenset([
1961 CONFD_REPL_STATUS_OK,
1962 CONFD_REPL_STATUS_ERROR,
1963 CONFD_REPL_STATUS_NOTIMPLEMENTED,
1966 (CONFD_NODE_ROLE_MASTER,
1967 CONFD_NODE_ROLE_CANDIDATE,
1968 CONFD_NODE_ROLE_OFFLINE,
1969 CONFD_NODE_ROLE_DRAINED,
1970 CONFD_NODE_ROLE_REGULAR,
1973 # A few common errors for confd
1974 CONFD_ERROR_UNKNOWN_ENTRY = 1
1975 CONFD_ERROR_INTERNAL = 2
1976 CONFD_ERROR_ARGUMENT = 3
1978 # Each request is "salted" by the current timestamp.
1979 # This constants decides how many seconds of skew to accept.
1980 # TODO: make this a default and allow the value to be more configurable
1981 CONFD_MAX_CLOCK_SKEW = 2 * NODE_MAX_CLOCK_SKEW
1983 # When we haven't reloaded the config for more than this amount of seconds, we
1984 # force a test to see if inotify is betraying us.
1985 CONFD_CONFIG_RELOAD_TIMEOUT = 60
1987 # If we receive more than one update in this amount of seconds, we move to
1988 # polling every RATELIMIT seconds, rather than relying on inotify, to be able
1989 # to serve more requests.
1990 CONFD_CONFIG_RELOAD_RATELIMIT = 2
1992 # Magic number prepended to all confd queries.
1993 # This allows us to distinguish different types of confd protocols and handle
1994 # them. For example by changing this we can move the whole payload to be
1995 # compressed, or move away from json.
1996 CONFD_MAGIC_FOURCC = "plj0"
1998 # By default a confd request is sent to the minimum between this number and all
1999 # MCs. 6 was chosen because even in the case of a disastrous 50% response rate,
2000 # we should have enough answers to be able to compare more than one.
2001 CONFD_DEFAULT_REQ_COVERAGE = 6
2003 # Timeout in seconds to expire pending query request in the confd client
2004 # library. We don't actually expect any answer more than 10 seconds after we
2006 CONFD_CLIENT_EXPIRE_TIMEOUT = 10
2008 # Maximum UDP datagram size.
2009 # On IPv4: 64K - 20 (ip header size) - 8 (udp header size) = 65507
2010 # On IPv6: 64K - 40 (ip6 header size) - 8 (udp header size) = 65487
2011 # (assuming we can't use jumbo frames)
2012 # We just set this to 60K, which should be enough
2013 MAX_UDP_DATA_SIZE = 61440
2015 # User-id pool minimum/maximum acceptable user-ids.
2017 UIDPOOL_UID_MAX = 2 ** 32 - 1 # Assuming 32 bit user-ids
2019 # Name or path of the pgrep command
2022 # Name of the node group that gets created at cluster init or upgrade
2023 INITIAL_NODE_GROUP_NAME = "default"
2025 # Possible values for NodeGroup.alloc_policy
2026 ALLOC_POLICY_PREFERRED = "preferred"
2027 ALLOC_POLICY_LAST_RESORT = "last_resort"
2028 ALLOC_POLICY_UNALLOCABLE = "unallocable"
2029 VALID_ALLOC_POLICIES = [
2030 ALLOC_POLICY_PREFERRED,
2031 ALLOC_POLICY_LAST_RESORT,
2032 ALLOC_POLICY_UNALLOCABLE,
2035 # Temporary external/shared storage parameters
2036 BLOCKDEV_DRIVER_MANUAL = "manual"
2038 # qemu-img path, required for ovfconverter
2039 QEMUIMG_PATH = _autoconf.QEMUIMG_PATH
2041 # Whether htools was enabled at compilation time
2042 HTOOLS = _autoconf.HTOOLS
2043 # The hail iallocator
2044 IALLOC_HAIL = "hail"
2046 # Fake opcodes for functions that have hooks attached to them via
2047 # backend.RunLocalHooks
2048 FAKE_OP_MASTER_TURNUP = "OP_CLUSTER_IP_TURNUP"
2049 FAKE_OP_MASTER_TURNDOWN = "OP_CLUSTER_IP_TURNDOWN"
2054 SSHK_ALL = frozenset([SSHK_RSA, SSHK_DSA])
2056 # SSH authorized key types
2057 SSHAK_RSA = "ssh-rsa"
2058 SSHAK_DSS = "ssh-dss"
2059 SSHAK_ALL = frozenset([SSHAK_RSA, SSHAK_DSS])
2062 SSHS_CLUSTER_NAME = "cluster_name"
2063 SSHS_SSH_HOST_KEY = "ssh_host_key"
2064 SSHS_SSH_ROOT_KEY = "ssh_root_key"
2065 SSHS_NODE_DAEMON_CERTIFICATE = "node_daemon_certificate"
2067 #: Key files for SSH daemon
2068 SSH_DAEMON_KEYFILES = {
2069 SSHK_RSA: (pathutils.SSH_HOST_RSA_PRIV, pathutils.SSH_HOST_RSA_PUB),
2070 SSHK_DSA: (pathutils.SSH_HOST_DSA_PRIV, pathutils.SSH_HOST_DSA_PUB),
2073 # Do not re-export imported modules
2074 del re, _vcsversion, _autoconf, socket, pathutils