constants.py 54.9 KB
Newer Older
Iustin Pop's avatar
Iustin Pop committed
1
#
Iustin Pop's avatar
Iustin Pop committed
2
3
#

4
# Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011, 2012 Google Inc.
Iustin Pop's avatar
Iustin Pop committed
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
# 02110-1301, USA.


"""Module holding different constants."""

24
25
import re

26
from ganeti import _autoconf
27
from ganeti import _vcsversion
28

Iustin Pop's avatar
Iustin Pop committed
29
# various versions
30
RELEASE_VERSION = _autoconf.PACKAGE_VERSION
Guido Trotter's avatar
Guido Trotter committed
31
32
OS_API_V10 = 10
OS_API_V15 = 15
33
34
OS_API_V20 = 20
OS_API_VERSIONS = frozenset([OS_API_V10, OS_API_V15, OS_API_V20])
35
VCS_VERSION = _vcsversion.VCS_VERSION
Iustin Pop's avatar
Iustin Pop committed
36
EXPORT_VERSION = 0
37
RAPI_VERSION = 2
Iustin Pop's avatar
Iustin Pop committed
38

39

40
41
42
43
44
45
46
47
# Format for CONFIG_VERSION:
#   01 03 0123 = 01030123
#   ^^ ^^ ^^^^
#   |  |  + Configuration version/revision
#   |  + Minor version
#   + Major version
#
# It stored as an integer. Make sure not to write an octal number.
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81

# BuildVersion and SplitVersion must be in here because we can't import other
# modules. The cfgupgrade tool must be able to read and write version numbers
# and thus requires these functions. To avoid code duplication, they're kept in
# here.

def BuildVersion(major, minor, revision):
  """Calculates int version number from major, minor and revision numbers.

  Returns: int representing version number

  """
  assert isinstance(major, int)
  assert isinstance(minor, int)
  assert isinstance(revision, int)
  return (1000000 * major +
            10000 * minor +
                1 * revision)


def SplitVersion(version):
  """Splits version number stored in an int.

  Returns: tuple; (major, minor, revision)

  """
  assert isinstance(version, int)

  (major, remainder) = divmod(version, 1000000)
  (minor, revision) = divmod(remainder, 10000)

  return (major, minor, revision)


82
83
84
CONFIG_MAJOR = int(_autoconf.VERSION_MAJOR)
CONFIG_MINOR = int(_autoconf.VERSION_MINOR)
CONFIG_REVISION = 0
85
CONFIG_VERSION = BuildVersion(CONFIG_MAJOR, CONFIG_MINOR, CONFIG_REVISION)
Iustin Pop's avatar
Iustin Pop committed
86

87
88
89
#: RPC protocol version
PROTOCOL_VERSION = BuildVersion(CONFIG_MAJOR, CONFIG_MINOR, 0)

90
91
# user separation
DAEMONS_GROUP = _autoconf.DAEMONS_GROUP
92
ADMIN_GROUP = _autoconf.ADMIN_GROUP
93
MASTERD_USER = _autoconf.MASTERD_USER
94
MASTERD_GROUP = _autoconf.MASTERD_GROUP
95
RAPI_USER = _autoconf.RAPI_USER
96
97
98
99
RAPI_GROUP = _autoconf.RAPI_GROUP
CONFD_USER = _autoconf.CONFD_USER
CONFD_GROUP = _autoconf.CONFD_GROUP
NODED_USER = _autoconf.NODED_USER
René Nussbaumer's avatar
René Nussbaumer committed
100
NODED_GROUP = _autoconf.NODED_GROUP
101

Tsachy Shacham's avatar
Tsachy Shacham committed
102
103
104
105
106
# cpu pinning separators and constants
CPU_PINNING_SEP = ":"
CPU_PINNING_ALL = "all"
# internal representation of "all"
CPU_PINNING_ALL_VAL = -1
107
108
# one "all" entry in a CPU list means CPU pinning is off
CPU_PINNING_OFF = [CPU_PINNING_ALL_VAL]
Tsachy Shacham's avatar
Tsachy Shacham committed
109
110
111
112
113
114
115
116
117

# A Xen-specific implementation detail - there is no way to actually say
# "use any cpu for pinning" in a Xen configuration file, as opposed to the
# command line, where you can say "xm vcpu-pin <domain> <vcpu> all".
# The workaround used in Xen is "0-63" (see source code function
# xm_vcpu_pin in <xen-source>/tools/python/xen/xm/main.py).
# To support future changes, the following constant is treated as a
# blackbox string that simply means use-any-cpu-for-pinning-under-xen.
CPU_PINNING_ALL_XEN = "0-63"
118

119
120
121
122
123
# A KVM-specific implementation detail - the following value is used
# to set CPU affinity to all processors (#0 through #31), per taskset
# man page.
CPU_PINNING_ALL_KVM = 0xFFFFFFFF

124
# Wipe
125
DD_CMD = "dd"
Michael Hanselmann's avatar
Michael Hanselmann committed
126
WIPE_BLOCK_SIZE = 1024 ** 2
127
128
129
MAX_WIPE_CHUNK = 1024 # 1GB
MIN_WIPE_CHUNK_PERCENT = 10

130

Iustin Pop's avatar
Iustin Pop committed
131
# file paths
132
DATA_DIR = _autoconf.LOCALSTATEDIR + "/lib/ganeti"
133
RUN_DIR = _autoconf.LOCALSTATEDIR + "/run"
134
RUN_GANETI_DIR = RUN_DIR + "/ganeti"
135
BDEV_CACHE_DIR = RUN_GANETI_DIR + "/bdev-cache"
136
DISK_LINKS_DIR = RUN_GANETI_DIR + "/instance-disks"
137
RUN_DIRS_MODE = 0775
Guido Trotter's avatar
Guido Trotter committed
138
SOCKET_DIR = RUN_GANETI_DIR + "/socket"
139
SECURE_DIR_MODE = 0700
140
SECURE_FILE_MODE = 0600
141
SOCKET_DIR_MODE = 0750
142
CRYPTO_KEYS_DIR = RUN_GANETI_DIR + "/crypto"
Guido Trotter's avatar
Guido Trotter committed
143
CRYPTO_KEYS_DIR_MODE = SECURE_DIR_MODE
144
145
IMPORT_EXPORT_DIR = RUN_GANETI_DIR + "/import-export"
IMPORT_EXPORT_DIR_MODE = 0755
146
ADOPTABLE_BLOCKDEV_ROOT = "/dev/disk/"
147
148
# keep RUN_GANETI_DIR first here, to make sure all get created when the node
# daemon is started (this takes care of RUN_DIR being tmpfs)
Michael Hanselmann's avatar
Michael Hanselmann committed
149
150
151
152
153
SUB_RUN_DIRS = [
  RUN_GANETI_DIR,
  BDEV_CACHE_DIR,
  DISK_LINKS_DIR,
  ]
Iustin Pop's avatar
Iustin Pop committed
154
LOCK_DIR = _autoconf.LOCALSTATEDIR + "/lock"
155
SSCONF_LOCK_FILE = LOCK_DIR + "/ganeti-ssconf.lock"
156
157
158
# User-id pool lock directory
# The user-ids that are in use have a corresponding lock file in this directory
UIDPOOL_LOCKDIR = RUN_GANETI_DIR + "/uid-pool"
Iustin Pop's avatar
Iustin Pop committed
159
CLUSTER_CONF_FILE = DATA_DIR + "/config.data"
160
NODED_CERT_FILE = DATA_DIR + "/server.pem"
161
RAPI_CERT_FILE = DATA_DIR + "/rapi.pem"
162
CONFD_HMAC_KEY = DATA_DIR + "/hmac.key"
163
164
SPICE_CERT_FILE = DATA_DIR + "/spice.pem"
SPICE_CACERT_FILE = DATA_DIR + "/spice-ca.pem"
Michael Hanselmann's avatar
Michael Hanselmann committed
165
CLUSTER_DOMAIN_SECRET_FILE = DATA_DIR + "/cluster-domain-secret"
166
INSTANCE_STATUS_FILE = RUN_GANETI_DIR + "/instance-status"
Iustin Pop's avatar
Iustin Pop committed
167
SSH_KNOWN_HOSTS_FILE = DATA_DIR + "/known_hosts"
168
RAPI_USERS_FILE = DATA_DIR + "/rapi/users"
169
QUEUE_DIR = DATA_DIR + "/queue"
170
DAEMON_UTIL = _autoconf.PKGLIBDIR + "/daemon-util"
171
SETUP_SSH = _autoconf.TOOLSDIR + "/setup-ssh"
172
KVM_IFUP = _autoconf.PKGLIBDIR + "/kvm-ifup"
173
KVM_CONSOLE_WRAPPER = _autoconf.PKGLIBDIR + "/tools/kvm-console-wrapper"
174
XM_CONSOLE_WRAPPER = _autoconf.PKGLIBDIR + "/tools/xm-console-wrapper"
175
ETC_HOSTS = "/etc/hosts"
176
DEFAULT_FILE_STORAGE_DIR = _autoconf.FILE_STORAGE_DIR
177
DEFAULT_SHARED_FILE_STORAGE_DIR = _autoconf.SHARED_FILE_STORAGE_DIR
178
ENABLE_FILE_STORAGE = _autoconf.ENABLE_FILE_STORAGE
179
ENABLE_SHARED_FILE_STORAGE = _autoconf.ENABLE_SHARED_FILE_STORAGE
180
SYSCONFDIR = _autoconf.SYSCONFDIR
181
TOOLSDIR = _autoconf.TOOLSDIR
182
CONF_DIR = SYSCONFDIR + "/ganeti"
183
USER_SCRIPTS_DIR = CONF_DIR + "/scripts"
184
ENABLE_CONFD = _autoconf.ENABLE_CONFD
185

Michael Hanselmann's avatar
Michael Hanselmann committed
186
187
188
189
190
191
192
#: Lock file for watcher, locked in shared mode by watcher; lock in exclusive
# mode to block watcher (see L{cli._RunWhileClusterStoppedHelper.Call}
WATCHER_LOCK_FILE = LOCK_DIR + "/ganeti-watcher.lock"

#: Status file for per-group watcher, locked in exclusive mode by watcher
WATCHER_GROUP_STATE_FILE = DATA_DIR + "/watcher.%s.data"

193
194
195
196
#: File for per-group instance status, merged into L{INSTANCE_STATUS_FILE} by
#: per-group processes
WATCHER_GROUP_INSTANCE_STATUS_FILE = DATA_DIR + "/watcher.%s.instance-status"

Michael Hanselmann's avatar
Michael Hanselmann committed
197
198
199
#: File containing Unix timestamp until which watcher should be paused
WATCHER_PAUSEFILE = DATA_DIR + "/watcher.pause"

200
201
202
203
# Master IP address setup scripts paths (default and user-provided)
DEFAULT_MASTER_SETUP_SCRIPT = TOOLSDIR + "/master-ip-setup"
EXTERNAL_MASTER_SETUP_SCRIPT = USER_SCRIPTS_DIR + "/master-ip-setup"

204
205
206
207
208
209
ALL_CERT_FILES = frozenset([
  NODED_CERT_FILE,
  RAPI_CERT_FILE,
  SPICE_CERT_FILE,
  SPICE_CACERT_FILE,
  ])
210

211
MASTER_SOCKET = SOCKET_DIR + "/ganeti-master"
Iustin Pop's avatar
Iustin Pop committed
212

213
NODED = "ganeti-noded"
Guido Trotter's avatar
Guido Trotter committed
214
CONFD = "ganeti-confd"
Guido Trotter's avatar
Guido Trotter committed
215
RAPI = "ganeti-rapi"
216
MASTERD = "ganeti-masterd"
Guido Trotter's avatar
Guido Trotter committed
217
218
# used in the ganeti-nbma project
NLD = "ganeti-nld"
219
220
221
222

DAEMONS_PORTS = {
  # daemon-name: ("proto", "default-port")
  NODED: ("tcp", 1811),
Guido Trotter's avatar
Guido Trotter committed
223
  CONFD: ("udp", 1814),
Guido Trotter's avatar
Guido Trotter committed
224
  RAPI: ("tcp", 5080),
225
  "ssh": ("tcp", 22),
Guido Trotter's avatar
Guido Trotter committed
226
227
  # used in the ganeti-nbma project
  NLD: ("udp", 1816),
228
229
}
DEFAULT_NODED_PORT = DAEMONS_PORTS[NODED][1]
Guido Trotter's avatar
Guido Trotter committed
230
DEFAULT_CONFD_PORT = DAEMONS_PORTS[CONFD][1]
Guido Trotter's avatar
Guido Trotter committed
231
DEFAULT_RAPI_PORT = DAEMONS_PORTS[RAPI][1]
Guido Trotter's avatar
Guido Trotter committed
232
233
# used in the ganeti-nbma project
DEFAULT_NLD_PORT = DAEMONS_PORTS[NLD][1]
234

Iustin Pop's avatar
Iustin Pop committed
235
236
FIRST_DRBD_PORT = 11000
LAST_DRBD_PORT = 14999
237
MASTER_SCRIPT = "ganeti-master"
Iustin Pop's avatar
Iustin Pop committed
238

239
LOG_DIR = _autoconf.LOCALSTATEDIR + "/log/ganeti/"
240
DAEMONS_LOGFILES = {
Michael Hanselmann's avatar
Michael Hanselmann committed
241
242
243
244
245
  # "daemon-name": "logfile"
  NODED: LOG_DIR + "node-daemon.log",
  CONFD: LOG_DIR + "conf-daemon.log",
  RAPI: LOG_DIR + "rapi-daemon.log",
  MASTERD: LOG_DIR + "master-daemon.log",
Guido Trotter's avatar
Guido Trotter committed
246
247
  # used in the ganeti-nbma project
  NLD: LOG_DIR + "nl-daemon.log",
Michael Hanselmann's avatar
Michael Hanselmann committed
248
  }
Michael Hanselmann's avatar
Michael Hanselmann committed
249

250
251
252
LOG_OS_DIR = LOG_DIR + "os"
LOG_WATCHER = LOG_DIR + "watcher.log"
LOG_COMMANDS = LOG_DIR + "commands.log"
Iustin Pop's avatar
Iustin Pop committed
253
LOG_BURNIN = LOG_DIR + "burnin.log"
254
LOG_SETUP_SSH = LOG_DIR + "setup-ssh.log"
Iustin Pop's avatar
Iustin Pop committed
255

Luca Bigliardi's avatar
Luca Bigliardi committed
256
257
DEV_CONSOLE = "/dev/console"

Balazs Lecz's avatar
Balazs Lecz committed
258
259
PROC_MOUNTS = "/proc/mounts"

260
# Local UniX Interface related constants
261
LUXI_EOM = "\3"
262
LUXI_VERSION = CONFIG_VERSION
263

Iustin Pop's avatar
Iustin Pop committed
264
# one of "no", "yes", "only"
265
266
267
268
269
270
SYSLOG_USAGE = _autoconf.SYSLOG_USAGE
SYSLOG_NO = "no"
SYSLOG_YES = "yes"
SYSLOG_ONLY = "only"
SYSLOG_SOCKET = "/dev/log"

271
OS_SEARCH_PATH = _autoconf.OS_SEARCH_PATH
272
EXPORT_DIR = _autoconf.EXPORT_DIR
Iustin Pop's avatar
Iustin Pop committed
273
274
275

EXPORT_CONF_FILE = "config.ini"

276
XEN_BOOTLOADER = _autoconf.XEN_BOOTLOADER
277
278
XEN_KERNEL = _autoconf.XEN_KERNEL
XEN_INITRD = _autoconf.XEN_INITRD
279
XEN_CMD = "xm"
280

281
KVM_PATH = _autoconf.KVM_PATH
Guido Trotter's avatar
Guido Trotter committed
282
SOCAT_PATH = _autoconf.SOCAT_PATH
283
SOCAT_USE_ESCAPE = _autoconf.SOCAT_USE_ESCAPE
284
SOCAT_USE_COMPRESS = _autoconf.SOCAT_USE_COMPRESS
285
SOCAT_ESCAPE_CODE = "0x1d"
286

287
288
289
290
291
292
#: Console as SSH command
CONS_SSH = "ssh"

#: Console as VNC server
CONS_VNC = "vnc"

293
294
295
#: Console as SPICE server
CONS_SPICE = "spice"

296
297
298
299
#: Display a message for console access
CONS_MESSAGE = "msg"

#: All console types
300
CONS_ALL = frozenset([CONS_SSH, CONS_VNC, CONS_SPICE, CONS_MESSAGE])
301

302
303
304
305
306
# For RSA keys more bits are better, but they also make operations more
# expensive. NIST SP 800-131 recommends a minimum of 2048 bits from the year
# 2010 on.
RSA_KEY_BITS = 2048

307
308
309
# Ciphers allowed for SSL connections. For the format, see ciphers(1). A better
# way to disable ciphers would be to use the exclamation mark (!), but socat
# versions below 1.5 can't parse exclamation marks in options properly. When
310
# modifying the ciphers, ensure not to accidentially add something after it's
311
312
313
314
# been removed. Use the "openssl" utility to check the allowed ciphers, e.g.
# "openssl ciphers -v HIGH:-DES".
OPENSSL_CIPHERS = "HIGH:-DES:-3DES:-EXPORT:-ADH"

315
316
317
# Digest used to sign certificates ("openssl x509" uses SHA1 by default)
X509_CERT_SIGN_DIGEST = "SHA1"

318
319
320
321
322
323
# Default validity of certificates in days
X509_CERT_DEFAULT_VALIDITY = 365 * 5

# commonName (CN) used in certificates
X509_CERT_CN = "ganeti.example.com"

324
325
X509_CERT_SIGNATURE_HEADER = "X-Ganeti-Signature"

326
327
328
329
330
331
IMPORT_EXPORT_DAEMON = _autoconf.PKGLIBDIR + "/import-export"

# Import/export daemon mode
IEM_IMPORT = "import"
IEM_EXPORT = "export"

332
333
334
335
336
337
338
339
# Import/export transport compression
IEC_NONE = "none"
IEC_GZIP = "gzip"
IEC_ALL = frozenset([
  IEC_NONE,
  IEC_GZIP,
  ])

340
341
IE_CUSTOM_SIZE = "fd"

342
343
IE_MAGIC_RE = re.compile(r"^[-_.a-zA-Z0-9]{5,100}$")

344
345
346
347
348
349
350
351
# Import/export I/O
# Direct file I/O, equivalent to a shell's I/O redirection using '<' or '>'
IEIO_FILE = "file"
# Raw block device I/O using "dd"
IEIO_RAW_DISK = "raw"
# OS definition import/export script
IEIO_SCRIPT = "script"

352
VALUE_DEFAULT = "default"
353
354
VALUE_AUTO = "auto"
VALUE_GENERATE = "generate"
355
VALUE_NONE = "none"
356
357
VALUE_TRUE = "true"
VALUE_FALSE = "false"
358

359
360
361
# External script validation mask
EXT_PLUGIN_MASK = re.compile("^[a-zA-Z0-9_-]+$")

Iustin Pop's avatar
Iustin Pop committed
362
# hooks-related constants
363
HOOKS_BASE_DIR = CONF_DIR + "/hooks"
Iustin Pop's avatar
Iustin Pop committed
364
365
HOOKS_PHASE_PRE = "pre"
HOOKS_PHASE_POST = "post"
366
HOOKS_NAME_CFGUPDATE = "config-update"
Guido Trotter's avatar
Guido Trotter committed
367
HOOKS_NAME_WATCHER = "watcher"
368
HOOKS_VERSION = 2
369
HOOKS_PATH = "/sbin:/bin:/usr/sbin:/usr/bin"
Iustin Pop's avatar
Iustin Pop committed
370
371
372
373

# hooks subject type (what object type does the LU deal with)
HTYPE_CLUSTER = "CLUSTER"
HTYPE_NODE = "NODE"
374
HTYPE_GROUP = "GROUP"
Iustin Pop's avatar
Iustin Pop committed
375
376
377
378
379
380
HTYPE_INSTANCE = "INSTANCE"

HKR_SKIP = 0
HKR_FAIL = 1
HKR_SUCCESS = 2

381
382
383
384
# Storage types
ST_FILE = "file"
ST_LVM_PV = "lvm-pv"
ST_LVM_VG = "lvm-vg"
385
386

# Storage fields
387
388
389
390
# first two are valid in LU context only, not passed to backend
SF_NODE = "node"
SF_TYPE = "type"
# and the rest are valid in backend
391
392
393
394
395
396
SF_NAME = "name"
SF_SIZE = "size"
SF_FREE = "free"
SF_USED = "used"
SF_ALLOCATABLE = "allocatable"

397
398
399
# Storage operations
SO_FIX_CONSISTENCY = "fix-consistency"

400
# Available fields per storage type
Stephen Shirley's avatar
Stephen Shirley committed
401
402
403
404
405
406
407
408
VALID_STORAGE_FIELDS = frozenset([
  SF_NAME,
  SF_TYPE,
  SF_SIZE,
  SF_USED,
  SF_FREE,
  SF_ALLOCATABLE
  ])
409
410

VALID_STORAGE_TYPES = frozenset([ST_FILE, ST_LVM_PV, ST_LVM_VG])
Iustin Pop's avatar
Iustin Pop committed
411

412
413
414
415
MODIFIABLE_STORAGE_FIELDS = {
  ST_LVM_PV: frozenset([SF_ALLOCATABLE]),
  }

416
VALID_STORAGE_OPERATIONS = {
417
  ST_LVM_VG: frozenset([SO_FIX_CONSISTENCY]),
418
419
  }

420
421
422
423
424
425
# Local disk status
# Note: Code depends on LDS_OKAY < LDS_UNKNOWN < LDS_FAULTY
(LDS_OKAY,
 LDS_UNKNOWN,
 LDS_FAULTY) = range(1, 4)

Iustin Pop's avatar
Iustin Pop committed
426
427
428
# disk template types
DT_DISKLESS = "diskless"
DT_PLAIN = "plain"
429
DT_DRBD8 = "drbd"
430
DT_FILE = "file"
431
DT_SHARED_FILE = "sharedfile"
432
DT_BLOCK = "blockdev"
433
DT_RBD = "rbd"
434
435

# the set of network-mirrored disk templates
436
DTS_INT_MIRROR = frozenset([DT_DRBD8])
Iustin Pop's avatar
Iustin Pop committed
437

438
# the set of externally-mirrored disk templates (e.g. SAN, NAS)
439
DTS_EXT_MIRROR = frozenset([DT_SHARED_FILE, DT_BLOCK, DT_RBD])
440

441
# the set of non-lvm-based disk templates
442
443
DTS_NOT_LVM = frozenset([DT_DISKLESS, DT_FILE, DT_SHARED_FILE,
                         DT_BLOCK, DT_RBD])
444

445
# the set of disk templates which can be grown
446
DTS_GROWABLE = frozenset([DT_PLAIN, DT_DRBD8, DT_FILE, DT_SHARED_FILE, DT_RBD])
447

448
# the set of disk templates that allow adoption
449
450
451
452
DTS_MAY_ADOPT = frozenset([DT_PLAIN, DT_BLOCK])

# the set of disk templates that *must* use adoption
DTS_MUST_ADOPT = frozenset([DT_BLOCK])
453

454
# the set of disk templates that allow migrations
455
DTS_MIRRORED = frozenset.union(DTS_INT_MIRROR, DTS_EXT_MIRROR)
456

Guido Trotter's avatar
Guido Trotter committed
457
458
# the set of file based disk templates
DTS_FILEBASED = frozenset([DT_FILE, DT_SHARED_FILE])
459

460
461
# logical disk types
LD_LV = "lvm"
462
LD_DRBD8 = "drbd8"
463
LD_FILE = "file"
464
LD_BLOCKDEV = "blockdev"
465
LD_RBD = "rbd"
466
467
468
469
470
LOGICAL_DISK_TYPES = frozenset([
  LD_LV,
  LD_DRBD8,
  LD_FILE,
  LD_BLOCKDEV,
471
  LD_RBD,
472
473
  ])

474
LDS_BLOCK = frozenset([LD_LV, LD_DRBD8, LD_BLOCKDEV, LD_RBD])
475

Iustin Pop's avatar
Iustin Pop committed
476
477
# drbd constants
DRBD_HMAC_ALG = "md5"
478
DRBD_NET_PROTOCOL = "C"
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497

# drbd barrier types
DRBD_B_NONE = "n"
DRBD_B_DISK_BARRIERS = "b"
DRBD_B_DISK_DRAIN = "d"
DRBD_B_DISK_FLUSH = "f"

# Valid barrier combinations: "n" or any non-null subset of "bfd"
DRBD_VALID_BARRIER_OPT = frozenset([
  frozenset([DRBD_B_NONE]),
  frozenset([DRBD_B_DISK_BARRIERS]),
  frozenset([DRBD_B_DISK_DRAIN]),
  frozenset([DRBD_B_DISK_FLUSH]),
  frozenset([DRBD_B_DISK_DRAIN, DRBD_B_DISK_FLUSH]),
  frozenset([DRBD_B_DISK_DRAIN, DRBD_B_DISK_FLUSH]),
  frozenset([DRBD_B_DISK_BARRIERS, DRBD_B_DISK_DRAIN]),
  frozenset([DRBD_B_DISK_BARRIERS, DRBD_B_DISK_FLUSH]),
  frozenset([DRBD_B_DISK_BARRIERS, DRBD_B_DISK_FLUSH, DRBD_B_DISK_DRAIN]),
  ])
Iustin Pop's avatar
Iustin Pop committed
498

499
500
501
# rbd tool command
RBD_CMD = "rbd"

502
503
504
# file backend driver
FD_LOOP = "loop"
FD_BLKTAP = "blktap"
505
506

# the set of drbd-like disk types
507
LDS_DRBD = frozenset([LD_DRBD8])
508

509
# disk access mode
510
511
DISK_RDONLY = "ro"
DISK_RDWR = "rw"
512
513
DISK_ACCESS_SET = frozenset([DISK_RDONLY, DISK_RDWR])

514
# disk replacement mode
515
516
517
REPLACE_DISK_PRI = "replace_on_primary"    # replace disks on primary
REPLACE_DISK_SEC = "replace_on_secondary"  # replace disks on secondary
REPLACE_DISK_CHG = "replace_new_secondary" # change secondary node
518
REPLACE_DISK_AUTO = "replace_auto"
519
520
521
522
523
524
REPLACE_MODES = frozenset([
  REPLACE_DISK_PRI,
  REPLACE_DISK_SEC,
  REPLACE_DISK_CHG,
  REPLACE_DISK_AUTO,
  ])
525

526
527
528
529
530
531
532
533
# Instance export mode
EXPORT_MODE_LOCAL = "local"
EXPORT_MODE_REMOTE = "remote"
EXPORT_MODES = frozenset([
  EXPORT_MODE_LOCAL,
  EXPORT_MODE_REMOTE,
  ])

534
# Lock recalculate mode
Iustin Pop's avatar
Iustin Pop committed
535
536
LOCKS_REPLACE = "replace"
LOCKS_APPEND = "append"
537

538
539
540
541
542
543
544
545
# Lock timeout (sum) before we should go into blocking acquire (still
# can be reset by priority change); computed as max time (10 hours)
# before we should actually go into blocking acquire given that we
# start from default priority level; in seconds
LOCK_ATTEMPTS_TIMEOUT = 10 * 3600 / 20.0
LOCK_ATTEMPTS_MAXWAIT = 15.0
LOCK_ATTEMPTS_MINWAIT = 1.0

546
# instance creation modes
Iustin Pop's avatar
Iustin Pop committed
547
548
INSTANCE_CREATE = "create"
INSTANCE_IMPORT = "import"
549
550
551
552
553
554
INSTANCE_REMOTE_IMPORT = "remote-import"
INSTANCE_CREATE_MODES = frozenset([
  INSTANCE_CREATE,
  INSTANCE_IMPORT,
  INSTANCE_REMOTE_IMPORT,
  ])
Iustin Pop's avatar
Iustin Pop committed
555

556
557
558
559
560
561
562
# Remote import/export handshake message and version
RIE_VERSION = 0
RIE_HANDSHAKE = "Hi, I'm Ganeti"

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

563
# Overall timeout for establishing connection
564
RIE_CONNECT_TIMEOUT = 180
565

566
567
568
569
570
571
# Export only: how long to wait per connection attempt (seconds)
RIE_CONNECT_ATTEMPT_TIMEOUT = 20

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

René Nussbaumer's avatar
René Nussbaumer committed
572
573
#: Give child process up to 5 seconds to exit after sending a signal
CHILD_LINGER_TIMEOUT = 5.0
574

Stephen Shirley's avatar
Stephen Shirley committed
575
576
577
578
579
580
DISK_TEMPLATES = frozenset([
  DT_DISKLESS,
  DT_PLAIN,
  DT_DRBD8,
  DT_FILE,
  DT_SHARED_FILE,
581
582
  DT_BLOCK,
  DT_RBD
Stephen Shirley's avatar
Stephen Shirley committed
583
  ])
584
585

FILE_DRIVER = frozenset([FD_LOOP, FD_BLKTAP])
Iustin Pop's avatar
Iustin Pop committed
586
587
588
589

# import/export config options
INISECT_EXP = "export"
INISECT_INS = "instance"
590
591
INISECT_HYP = "hypervisor"
INISECT_BEP = "backend"
592
INISECT_OSP = "os"
593

594
# dynamic device modification
595
DDM_ADD = "add"
596
DDM_MODIFY = "modify"
597
598
DDM_REMOVE = "remove"
DDMS_VALUES = frozenset([DDM_ADD, DDM_REMOVE])
599
600
601
602
DDMS_VALUES_WITH_MODIFY = (DDMS_VALUES | frozenset([
  DDM_MODIFY,
  ]))
# TODO: DDM_SWAP, DDM_MOVE?
603

604
# common exit codes
Iustin Pop's avatar
Iustin Pop committed
605
EXIT_SUCCESS = 0
606
EXIT_FAILURE = 1
607
EXIT_NOTCLUSTER = 5
608
EXIT_NOTMASTER = 11
609
EXIT_NODESETUP_ERROR = 12
Iustin Pop's avatar
Iustin Pop committed
610
EXIT_CONFIRMATION = 13 # need user confirmation
611

612
613
614
#: Exit code for query operations with unknown fields
EXIT_UNKNOWN_FIELD = 14

615
616
# tags
TAG_CLUSTER = "cluster"
617
TAG_NODEGROUP = "nodegroup"
618
619
TAG_NODE = "node"
TAG_INSTANCE = "instance"
620
621
VALID_TAG_TYPES = frozenset([
  TAG_CLUSTER,
622
  TAG_NODEGROUP,
623
624
625
  TAG_NODE,
  TAG_INSTANCE,
  ])
626
627
628
MAX_TAG_LEN = 128
MAX_TAGS_PER_OBJ = 4096

629
630
# others
DEFAULT_BRIDGE = "xen-br0"
631
CLASSIC_DRBD_SYNC_SPEED = 60 * 1024  # 60 MiB, expressed in KiB
632
633
IP4_ADDRESS_LOCALHOST = "127.0.0.1"
IP4_ADDRESS_ANY = "0.0.0.0"
Manuel Franceschini's avatar
Manuel Franceschini committed
634
635
IP6_ADDRESS_LOCALHOST = "::1"
IP6_ADDRESS_ANY = "::"
636
637
IP4_VERSION = 4
IP6_VERSION = 6
638
VALID_IP_VERSIONS = frozenset([IP4_VERSION, IP6_VERSION])
639
TCP_PING_TIMEOUT = 10
640
GANETI_RUNAS = "root"
641
DEFAULT_VG = "xenvg"
642
DEFAULT_DRBD_HELPER = "/bin/true"
643
MIN_VG_SIZE = 20480
644
DEFAULT_MAC_PREFIX = "aa:00:00"
645
646
# default maximum instance wait time, in seconds.
DEFAULT_SHUTDOWN_TIMEOUT = 120
647
NODE_MAX_CLOCK_SKEW = 150
648
# Time for an intra-cluster disk transfer to wait for a connection
649
DISK_TRANSFER_CONNECT_TIMEOUT = 60
650
651
# Disk index separator
DISK_SEPARATOR = _autoconf.DISK_SEPARATOR
652
IP_COMMAND_PATH = _autoconf.IP_PATH
653

654
655
656
#: Key for job IDs in opcode result
JOB_IDS_KEY = "jobs"

657
658
659
660
661
662
663
# runparts results
(RUNPARTS_SKIP,
 RUNPARTS_RUN,
 RUNPARTS_ERR) = range(3)

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

664
665
666
667
# RPC constants
(RPC_ENCODING_NONE,
 RPC_ENCODING_ZLIB_BASE64) = range(2)

668
# os related constants
Iustin Pop's avatar
Iustin Pop committed
669
670
671
672
673
OS_SCRIPT_CREATE = "create"
OS_SCRIPT_IMPORT = "import"
OS_SCRIPT_EXPORT = "export"
OS_SCRIPT_RENAME = "rename"
OS_SCRIPT_VERIFY = "verify"
Stephen Shirley's avatar
Stephen Shirley committed
674
675
676
677
678
679
680
OS_SCRIPTS = frozenset([
  OS_SCRIPT_CREATE,
  OS_SCRIPT_IMPORT,
  OS_SCRIPT_EXPORT,
  OS_SCRIPT_RENAME,
  OS_SCRIPT_VERIFY
  ])
681

Iustin Pop's avatar
Iustin Pop committed
682
683
684
OS_API_FILE = "ganeti_api_version"
OS_VARIANTS_FILE = "variants.list"
OS_PARAMETERS_FILE = "parameters.list"
685

Iustin Pop's avatar
Iustin Pop committed
686
OS_VALIDATE_PARAMETERS = "parameters"
687
OS_VALIDATE_CALLS = frozenset([OS_VALIDATE_PARAMETERS])
688

689
# ssh constants
690
691
SSH_CONFIG_DIR = _autoconf.SSH_CONFIG_DIR
SSH_HOST_DSA_PRIV = SSH_CONFIG_DIR + "/ssh_host_dsa_key"
692
SSH_HOST_DSA_PUB = SSH_HOST_DSA_PRIV + ".pub"
693
SSH_HOST_RSA_PRIV = SSH_CONFIG_DIR + "/ssh_host_rsa_key"
694
SSH_HOST_RSA_PUB = SSH_HOST_RSA_PRIV + ".pub"
695
696
SSH = "ssh"
SCP = "scp"
697
698
699
700
701

# reboot types
INSTANCE_REBOOT_SOFT = "soft"
INSTANCE_REBOOT_HARD = "hard"
INSTANCE_REBOOT_FULL = "full"
702

703
704
705
706
707
708
709
710
711
712
713
714
715
716
REBOOT_TYPES = frozenset([
  INSTANCE_REBOOT_SOFT,
  INSTANCE_REBOOT_HARD,
  INSTANCE_REBOOT_FULL
  ])

# instance reboot behaviors
INSTANCE_REBOOT_ALLOWED = "reboot"
INSTANCE_REBOOT_EXIT = "exit"

REBOOT_BEHAVIORS = frozenset([
  INSTANCE_REBOOT_ALLOWED,
  INSTANCE_REBOOT_EXIT
  ])
717

Iustin Pop's avatar
Iustin Pop committed
718
VTYPE_STRING = "string"
719
VTYPE_MAYBE_STRING = "maybe-string"
Iustin Pop's avatar
Iustin Pop committed
720
721
722
VTYPE_BOOL = "bool"
VTYPE_SIZE = "size" # size, in MiBs
VTYPE_INT = "int"
723
ENFORCEABLE_TYPES = frozenset([
Stephen Shirley's avatar
Stephen Shirley committed
724
725
726
727
728
729
  VTYPE_STRING,
  VTYPE_MAYBE_STRING,
  VTYPE_BOOL,
  VTYPE_SIZE,
  VTYPE_INT,
  ])
730

731
732
733
# Constant representing that the user does not specify any IP version
IFACE_NO_IP_VERSION_SPECIFIED = 0

734
735
736
# HV parameter names (global namespace)
HV_BOOT_ORDER = "boot_order"
HV_CDROM_IMAGE_PATH = "cdrom_image_path"
737
738
HV_KVM_CDROM2_IMAGE_PATH = "cdrom2_image_path"
HV_KVM_FLOPPY_IMAGE_PATH = "floppy_image_path"
739
740
HV_NIC_TYPE = "nic_type"
HV_DISK_TYPE = "disk_type"
741
HV_KVM_CDROM_DISK_TYPE = "cdrom_disk_type"
742
HV_VNC_BIND_ADDRESS = "vnc_bind_address"
743
HV_VNC_PASSWORD_FILE = "vnc_password_file"
744
745
746
HV_VNC_TLS = "vnc_tls"
HV_VNC_X509 = "vnc_x509_path"
HV_VNC_X509_VERIFY = "vnc_x509_verify"
747
748
HV_KVM_SPICE_BIND = "spice_bind"
HV_KVM_SPICE_IP_VERSION = "spice_ip_version"
749
HV_KVM_SPICE_PASSWORD_FILE = "spice_password_file"
750
751
752
753
754
HV_KVM_SPICE_LOSSLESS_IMG_COMPR = "spice_image_compression"
HV_KVM_SPICE_JPEG_IMG_COMPR = "spice_jpeg_wan_compression"
HV_KVM_SPICE_ZLIB_GLZ_IMG_COMPR = "spice_zlib_glz_wan_compression"
HV_KVM_SPICE_STREAMING_VIDEO_DETECTION = "spice_streaming_video"
HV_KVM_SPICE_AUDIO_COMPR = "spice_playback_compression"
755
HV_KVM_SPICE_USE_TLS = "spice_use_tls"
756
757
HV_KVM_SPICE_TLS_CIPHERS = "spice_tls_ciphers"
HV_KVM_SPICE_USE_VDAGENT = "spice_use_vdagent"
758
759
HV_ACPI = "acpi"
HV_PAE = "pae"
760
761
762
HV_USE_BOOTLOADER = "use_bootloader"
HV_BOOTLOADER_ARGS = "bootloader_args"
HV_BOOTLOADER_PATH = "bootloader_path"
763
HV_KERNEL_ARGS = "kernel_args"
764
765
HV_KERNEL_PATH = "kernel_path"
HV_INITRD_PATH = "initrd_path"
766
HV_ROOT_PATH = "root_path"
767
HV_SERIAL_CONSOLE = "serial_console"
768
HV_USB_MOUSE = "usb_mouse"
769
HV_KEYMAP = "keymap"
770
HV_DEVICE_MODEL = "device_model"
771
HV_INIT_SCRIPT = "init_script"
772
HV_MIGRATION_PORT = "migration_port"
773
774
HV_MIGRATION_BANDWIDTH = "migration_bandwidth"
HV_MIGRATION_DOWNTIME = "migration_downtime"
775
HV_MIGRATION_MODE = "migration_mode"
776
HV_USE_LOCALTIME = "use_localtime"
777
HV_DISK_CACHE = "disk_cache"
778
779
HV_SECURITY_MODEL = "security_model"
HV_SECURITY_DOMAIN = "security_domain"
Guido Trotter's avatar
Guido Trotter committed
780
HV_KVM_FLAG = "kvm_flag"
781
HV_VHOST_NET = "vhost_net"
Balazs Lecz's avatar
Balazs Lecz committed
782
HV_KVM_USE_CHROOT = "use_chroot"
783
HV_CPU_MASK = "cpu_mask"
784
HV_MEM_PATH = "mem_path"
785
HV_BLOCKDEV_PREFIX = "blockdev_prefix"
786
HV_REBOOT_BEHAVIOR = "reboot_behavior"
787

788
789
HVS_PARAMETER_TYPES = {
  HV_BOOT_ORDER: VTYPE_STRING,
790
  HV_KVM_FLOPPY_IMAGE_PATH: VTYPE_STRING,
791
  HV_CDROM_IMAGE_PATH: VTYPE_STRING,
792
  HV_KVM_CDROM2_IMAGE_PATH: VTYPE_STRING,
793
794
  HV_NIC_TYPE: VTYPE_STRING,
  HV_DISK_TYPE: VTYPE_STRING,
795
  HV_KVM_CDROM_DISK_TYPE: VTYPE_STRING,
796
  HV_VNC_PASSWORD_FILE: VTYPE_STRING,
797
798
799
800
  HV_VNC_BIND_ADDRESS: VTYPE_STRING,
  HV_VNC_TLS: VTYPE_BOOL,
  HV_VNC_X509: VTYPE_STRING,
  HV_VNC_X509_VERIFY: VTYPE_BOOL,
801
802
  HV_KVM_SPICE_BIND: VTYPE_STRING,
  HV_KVM_SPICE_IP_VERSION: VTYPE_INT,
803
  HV_KVM_SPICE_PASSWORD_FILE: VTYPE_STRING,
804
805
806
807
808
  HV_KVM_SPICE_LOSSLESS_IMG_COMPR: VTYPE_STRING,
  HV_KVM_SPICE_JPEG_IMG_COMPR: VTYPE_STRING,
  HV_KVM_SPICE_ZLIB_GLZ_IMG_COMPR: VTYPE_STRING,
  HV_KVM_SPICE_STREAMING_VIDEO_DETECTION: VTYPE_STRING,
  HV_KVM_SPICE_AUDIO_COMPR: VTYPE_BOOL,
809
  HV_KVM_SPICE_USE_TLS: VTYPE_BOOL,
810
811
  HV_KVM_SPICE_TLS_CIPHERS: VTYPE_STRING,
  HV_KVM_SPICE_USE_VDAGENT: VTYPE_BOOL,
812
813
  HV_ACPI: VTYPE_BOOL,
  HV_PAE: VTYPE_BOOL,
814
815
816
  HV_USE_BOOTLOADER: VTYPE_BOOL,
  HV_BOOTLOADER_PATH: VTYPE_STRING,
  HV_BOOTLOADER_ARGS: VTYPE_STRING,
817
  HV_KERNEL_PATH: VTYPE_STRING,
818
  HV_KERNEL_ARGS: VTYPE_STRING,
819
  HV_INITRD_PATH: VTYPE_STRING,
820
  HV_ROOT_PATH: VTYPE_MAYBE_STRING,
821
822
  HV_SERIAL_CONSOLE: VTYPE_BOOL,
  HV_USB_MOUSE: VTYPE_STRING,
823
  HV_KEYMAP: VTYPE_STRING,
824
  HV_DEVICE_MODEL: VTYPE_STRING,
825
  HV_INIT_SCRIPT: VTYPE_STRING,
826
  HV_MIGRATION_PORT: VTYPE_INT,
827
828
  HV_MIGRATION_BANDWIDTH: VTYPE_INT,
  HV_MIGRATION_DOWNTIME: VTYPE_INT,
829
  HV_MIGRATION_MODE: VTYPE_STRING,
830
  HV_USE_LOCALTIME: VTYPE_BOOL,
831
  HV_DISK_CACHE: VTYPE_STRING,
832
833
  HV_SECURITY_MODEL: VTYPE_STRING,
  HV_SECURITY_DOMAIN: VTYPE_STRING,
Guido Trotter's avatar
Guido Trotter committed
834
  HV_KVM_FLAG: VTYPE_STRING,
835
  HV_VHOST_NET: VTYPE_BOOL,
Balazs Lecz's avatar
Balazs Lecz committed
836
  HV_KVM_USE_CHROOT: VTYPE_BOOL,
837
  HV_CPU_MASK: VTYPE_STRING,
838
  HV_MEM_PATH: VTYPE_STRING,
839
  HV_BLOCKDEV_PREFIX: VTYPE_STRING,
840
  HV_REBOOT_BEHAVIOR: VTYPE_STRING,
841
842
843
  }

HVS_PARAMETERS = frozenset(HVS_PARAMETER_TYPES.keys())
844

845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
# Migration statuses
HV_MIGRATION_COMPLETED = "completed"
HV_MIGRATION_ACTIVE = "active"
HV_MIGRATION_FAILED = "failed"
HV_MIGRATION_CANCELLED = "cancelled"

HV_MIGRATION_VALID_STATUSES = frozenset([
  HV_MIGRATION_COMPLETED,
  HV_MIGRATION_ACTIVE,
  HV_MIGRATION_FAILED,
  HV_MIGRATION_CANCELLED,
  ])

HV_MIGRATION_FAILED_STATUSES = frozenset([
  HV_MIGRATION_FAILED,
  HV_MIGRATION_CANCELLED,
  ])

# KVM-specific statuses
HV_KVM_MIGRATION_VALID_STATUSES = HV_MIGRATION_VALID_STATUSES

866
867
868
# Node info keys
HV_NODEINFO_KEY_VERSION = "hv_version"

869
870
871
872
873
874
875
# Hypervisor state
HVST_MEMORY_TOTAL = "mem_total"
HVST_MEMORY_NODE = "mem_node"
HVST_MEMORY_HV = "mem_hv"
HVST_CPU_TOTAL = "cpu_total"
HVST_CPU_NODE = "cpu_node"

876
877
878
879
880
881
882
883
HVST_DEFAULTS = {
  HVST_MEMORY_TOTAL: 0,
  HVST_MEMORY_NODE: 0,
  HVST_MEMORY_HV: 0,
  HVST_CPU_TOTAL: 1,
  HVST_CPU_NODE: 1,
  }

884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
HVSTS_PARAMETER_TYPES = {
  HVST_MEMORY_TOTAL: VTYPE_INT,
  HVST_MEMORY_NODE: VTYPE_INT,
  HVST_MEMORY_HV: VTYPE_INT,
  HVST_CPU_TOTAL: VTYPE_INT,
  HVST_CPU_NODE: VTYPE_INT,
  }

HVSTS_PARAMETERS = frozenset(HVSTS_PARAMETER_TYPES.keys())

# Disk state
DS_DISK_TOTAL = "disk_total"
DS_DISK_RESERVED = "disk_reserved"
DS_DISK_OVERHEAD = "disk_overhead"

899
900
901
902
903
904
DS_DEFAULTS = {
  DS_DISK_TOTAL: 0,
  DS_DISK_RESERVED: 0,
  DS_DISK_OVERHEAD: 0,
  }

905
906
907
908
909
910
911
DSS_PARAMETER_TYPES = {
  DS_DISK_TOTAL: VTYPE_INT,
  DS_DISK_RESERVED: VTYPE_INT,
  DS_DISK_OVERHEAD: VTYPE_INT,
  }

DSS_PARAMETERS = frozenset(DSS_PARAMETER_TYPES.keys())
912
DS_VALID_TYPES = frozenset([LD_LV])
913

914
# Backend parameter names
915
916
917
BE_MEMORY = "memory" # deprecated and replaced by max and min mem
BE_MAXMEM = "maxmem"
BE_MINMEM = "minmem"
918
BE_VCPUS = "vcpus"
919
BE_AUTO_BALANCE = "auto_balance"
920
BE_ALWAYS_FAILOVER = "always_failover"
921
BE_SPINDLE_USE = "spindle_use"
922

923
BES_PARAMETER_TYPES = {
924
925
926
927
  BE_MAXMEM: VTYPE_SIZE,
  BE_MINMEM: VTYPE_SIZE,
  BE_VCPUS: VTYPE_INT,
  BE_AUTO_BALANCE: VTYPE_BOOL,
928
  BE_ALWAYS_FAILOVER: VTYPE_BOOL,
929
  BE_SPINDLE_USE: VTYPE_INT,
930
  }
931

932
933
934
935
936
BES_PARAMETER_COMPAT = {
  BE_MEMORY: VTYPE_SIZE,
  }
BES_PARAMETER_COMPAT.update(BES_PARAMETER_TYPES)

937
BES_PARAMETERS = frozenset(BES_PARAMETER_TYPES.keys())
Iustin Pop's avatar
Iustin Pop committed
938

939
# instance specs
940
941
942
943
944
ISPEC_MEM_SIZE = "memory-size"
ISPEC_CPU_COUNT = "cpu-count"
ISPEC_DISK_COUNT = "disk-count"
ISPEC_DISK_SIZE = "disk-size"
ISPEC_NIC_COUNT = "nic-count"
945
ISPEC_SPINDLE_USE = "spindle-use"
946
947

ISPECS_PARAMETER_TYPES = {
948
949
950
951
952
  ISPEC_MEM_SIZE: VTYPE_INT,
  ISPEC_CPU_COUNT: VTYPE_INT,
  ISPEC_DISK_COUNT: VTYPE_INT,
  ISPEC_DISK_SIZE: VTYPE_INT,
  ISPEC_NIC_COUNT: VTYPE_INT,
953
  ISPEC_SPINDLE_USE: VTYPE_INT,
954
955
956
957
  }

ISPECS_PARAMETERS = frozenset(ISPECS_PARAMETER_TYPES.keys())

958
959
960
ISPECS_MIN = "min"
ISPECS_MAX = "max"
ISPECS_STD = "std"
961
962
IPOLICY_DTS = "disk-templates"
IPOLICY_VCPU_RATIO = "vcpu-ratio"
963
IPOLICY_SPINDLE_RATIO = "spindle-ratio"
964

965
IPOLICY_ISPECS = frozenset([
966
967
968
  ISPECS_MIN,
  ISPECS_MAX,
  ISPECS_STD,
969
  ])
970
971
972

IPOLICY_PARAMETERS = frozenset([
  IPOLICY_VCPU_RATIO,
973
  IPOLICY_SPINDLE_RATIO,
974
975
976
977
978
  ])

IPOLICY_ALL_KEYS = (IPOLICY_ISPECS |
                    IPOLICY_PARAMETERS |
                    frozenset([IPOLICY_DTS]))
979

980
981
# Node parameter names
ND_OOB_PROGRAM = "oob_program"
982
ND_SPINDLE_COUNT = "spindle_count"
983
984

NDS_PARAMETER_TYPES = {
985
  ND_OOB_PROGRAM: VTYPE_MAYBE_STRING,
986
  ND_SPINDLE_COUNT: VTYPE_INT,