constants.py 20 KB
Newer Older
Iustin Pop's avatar
Iustin Pop committed
1
#
Iustin Pop's avatar
Iustin Pop committed
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
#

# Copyright (C) 2006, 2007 Google Inc.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# 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
from ganeti import _autoconf
25

Iustin Pop's avatar
Iustin Pop committed
26
# various versions
27
PROTOCOL_VERSION = 20
28
RELEASE_VERSION = _autoconf.PACKAGE_VERSION
Guido Trotter's avatar
Guido Trotter committed
29
30
31
OS_API_V10 = 10
OS_API_V15 = 15
OS_API_VERSIONS = frozenset([OS_API_V10, OS_API_V15])
Iustin Pop's avatar
Iustin Pop committed
32
EXPORT_VERSION = 0
33
RAPI_VERSION = 2
Iustin Pop's avatar
Iustin Pop committed
34

35

36
37
38
39
40
41
42
43
# 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.
44
45
46
47
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

# 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)


78
79
80
CONFIG_MAJOR = int(_autoconf.VERSION_MAJOR)
CONFIG_MINOR = int(_autoconf.VERSION_MINOR)
CONFIG_REVISION = 0
81
CONFIG_VERSION = BuildVersion(CONFIG_MAJOR, CONFIG_MINOR, CONFIG_REVISION)
Iustin Pop's avatar
Iustin Pop committed
82
83

# file paths
84
DATA_DIR = _autoconf.LOCALSTATEDIR + "/lib/ganeti"
85
RUN_DIR = _autoconf.LOCALSTATEDIR + "/run"
86
RUN_GANETI_DIR = RUN_DIR + "/ganeti"
87
BDEV_CACHE_DIR = RUN_GANETI_DIR + "/bdev-cache"
88
DISK_LINKS_DIR = RUN_GANETI_DIR + "/instance-disks"
89
RUN_DIRS_MODE = 0755
Guido Trotter's avatar
Guido Trotter committed
90
SOCKET_DIR = RUN_GANETI_DIR + "/socket"
Guido Trotter's avatar
Guido Trotter committed
91
SOCKET_DIR_MODE = 0700
92
93
94
# keep RUN_GANETI_DIR first here, to make sure all get created when the node
# daemon is started (this takes care of RUN_DIR being tmpfs)
SUB_RUN_DIRS = [ RUN_GANETI_DIR, BDEV_CACHE_DIR, DISK_LINKS_DIR ]
Iustin Pop's avatar
Iustin Pop committed
95
LOCK_DIR = _autoconf.LOCALSTATEDIR + "/lock"
96
SSCONF_LOCK_FILE = LOCK_DIR + "/ganeti-ssconf.lock"
Iustin Pop's avatar
Iustin Pop committed
97
98
CLUSTER_CONF_FILE = DATA_DIR + "/config.data"
SSL_CERT_FILE = DATA_DIR + "/server.pem"
99
RAPI_CERT_FILE = DATA_DIR + "/rapi.pem"
100
HMAC_CLUSTER_KEY = DATA_DIR + "/hmac.key"
101
WATCHER_STATEFILE = DATA_DIR + "/watcher.data"
102
WATCHER_PAUSEFILE = DATA_DIR + "/watcher.pause"
103
INSTANCE_UPFILE = RUN_GANETI_DIR + "/instance-status"
Iustin Pop's avatar
Iustin Pop committed
104
SSH_KNOWN_HOSTS_FILE = DATA_DIR + "/known_hosts"
105
RAPI_USERS_FILE = DATA_DIR + "/rapi_users"
106
QUEUE_DIR = DATA_DIR + "/queue"
107
ETC_HOSTS = "/etc/hosts"
108
DEFAULT_FILE_STORAGE_DIR = _autoconf.FILE_STORAGE_DIR
109
SYSCONFDIR = _autoconf.SYSCONFDIR
110
TOOLSDIR = _autoconf.TOOLSDIR
111
CONF_DIR = SYSCONFDIR + "/ganeti"
112

113
MASTER_SOCKET = SOCKET_DIR + "/ganeti-master"
Iustin Pop's avatar
Iustin Pop committed
114

115
NODE_INITD_SCRIPT = SYSCONFDIR + "/init.d/ganeti"
116
117

NODED = "ganeti-noded"
Guido Trotter's avatar
Guido Trotter committed
118
CONFD = "ganeti-confd"
Guido Trotter's avatar
Guido Trotter committed
119
RAPI = "ganeti-rapi"
120
MASTERD = "ganeti-masterd"
121

122
123
MULTITHREADED_DAEMONS = frozenset([MASTERD])

124
125
126
127
128
129
DAEMONS_SSL = {
  # daemon-name: (default-cert-path, default-key-path)
  NODED: (SSL_CERT_FILE, SSL_CERT_FILE),
  RAPI: (RAPI_CERT_FILE, RAPI_CERT_FILE),
}

130
131
132
DAEMONS_PORTS = {
  # daemon-name: ("proto", "default-port")
  NODED: ("tcp", 1811),
Guido Trotter's avatar
Guido Trotter committed
133
  CONFD: ("udp", 1814),
Guido Trotter's avatar
Guido Trotter committed
134
  RAPI: ("tcp", 5080),
135
136
}
DEFAULT_NODED_PORT = DAEMONS_PORTS[NODED][1]
Guido Trotter's avatar
Guido Trotter committed
137
DEFAULT_CONFD_PORT = DAEMONS_PORTS[CONFD][1]
Guido Trotter's avatar
Guido Trotter committed
138
DEFAULT_RAPI_PORT = DAEMONS_PORTS[RAPI][1]
139

Iustin Pop's avatar
Iustin Pop committed
140
141
FIRST_DRBD_PORT = 11000
LAST_DRBD_PORT = 14999
142
MASTER_SCRIPT = "ganeti-master"
Iustin Pop's avatar
Iustin Pop committed
143

144
LOG_DIR = _autoconf.LOCALSTATEDIR + "/log/ganeti/"
145
DAEMONS_LOGFILES = {
Michael Hanselmann's avatar
Michael Hanselmann committed
146
147
148
149
150
151
  # "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",
  }
152
153
154
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
155
LOG_BURNIN = LOG_DIR + "burnin.log"
Iustin Pop's avatar
Iustin Pop committed
156

157
OS_SEARCH_PATH = _autoconf.OS_SEARCH_PATH
158
EXPORT_DIR = _autoconf.EXPORT_DIR
Iustin Pop's avatar
Iustin Pop committed
159
160
161

EXPORT_CONF_FILE = "config.ini"

162
XEN_BOOTLOADER = _autoconf.XEN_BOOTLOADER
163
164
165
XEN_KERNEL = _autoconf.XEN_KERNEL
XEN_INITRD = _autoconf.XEN_INITRD

166
KVM_PATH = _autoconf.KVM_PATH
Guido Trotter's avatar
Guido Trotter committed
167
SOCAT_PATH = _autoconf.SOCAT_PATH
Guido Trotter's avatar
Guido Trotter committed
168
KVM_MIGRATION_PORT = _autoconf.KVM_MIGRATION_PORT
169

170
VALUE_DEFAULT = "default"
171
172
VALUE_AUTO = "auto"
VALUE_GENERATE = "generate"
173
VALUE_NONE = "none"
174
175
VALUE_TRUE = "true"
VALUE_FALSE = "false"
176

Iustin Pop's avatar
Iustin Pop committed
177
# hooks-related constants
178
HOOKS_BASE_DIR = CONF_DIR + "/hooks"
Iustin Pop's avatar
Iustin Pop committed
179
180
HOOKS_PHASE_PRE = "pre"
HOOKS_PHASE_POST = "post"
181
HOOKS_NAME_CFGUPDATE = "config-update"
182
HOOKS_VERSION = 2
Iustin Pop's avatar
Iustin Pop committed
183
184
185
186
187
188
189
190
191
192

# hooks subject type (what object type does the LU deal with)
HTYPE_CLUSTER = "CLUSTER"
HTYPE_NODE = "NODE"
HTYPE_INSTANCE = "INSTANCE"

HKR_SKIP = 0
HKR_FAIL = 1
HKR_SUCCESS = 2

193
194
195
196
# Storage types
ST_FILE = "file"
ST_LVM_PV = "lvm-pv"
ST_LVM_VG = "lvm-vg"
197
198

# Storage fields
199
200
201
202
# 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
203
204
205
206
207
208
SF_NAME = "name"
SF_SIZE = "size"
SF_FREE = "free"
SF_USED = "used"
SF_ALLOCATABLE = "allocatable"

209
210
211
# Storage operations
SO_FIX_CONSISTENCY = "fix-consistency"

212
# Available fields per storage type
213
214
215
216
VALID_STORAGE_FIELDS = frozenset([SF_NAME, SF_TYPE, SF_SIZE,
                                  SF_USED, SF_FREE, SF_ALLOCATABLE])

VALID_STORAGE_TYPES = frozenset([ST_FILE, ST_LVM_PV, ST_LVM_VG])
Iustin Pop's avatar
Iustin Pop committed
217

218
219
220
221
MODIFIABLE_STORAGE_FIELDS = {
  ST_LVM_PV: frozenset([SF_ALLOCATABLE]),
  }

222
VALID_STORAGE_OPERATIONS = {
223
  ST_LVM_VG: frozenset([SO_FIX_CONSISTENCY]),
224
225
  }

226
227
228
229
230
231
# 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
232
233
234
# disk template types
DT_DISKLESS = "diskless"
DT_PLAIN = "plain"
235
DT_DRBD8 = "drbd"
236
DT_FILE = "file"
237
238

# the set of network-mirrored disk templates
239
DTS_NET_MIRROR = frozenset([DT_DRBD8])
Iustin Pop's avatar
Iustin Pop committed
240

241
242
243
# the set of non-lvm-based disk templates
DTS_NOT_LVM = frozenset([DT_DISKLESS, DT_FILE])

244
245
# logical disk types
LD_LV = "lvm"
246
LD_DRBD8 = "drbd8"
247
LD_FILE = "file"
248
LDS_BLOCK = frozenset([LD_LV, LD_DRBD8])
249

Iustin Pop's avatar
Iustin Pop committed
250
251
# drbd constants
DRBD_HMAC_ALG = "md5"
252
DRBD_NET_PROTOCOL = "C"
Iustin Pop's avatar
Iustin Pop committed
253

254
255
256
# file backend driver
FD_LOOP = "loop"
FD_BLKTAP = "blktap"
257
258

# the set of drbd-like disk types
259
LDS_DRBD = frozenset([LD_DRBD8])
260

261
# disk access mode
262
263
DISK_RDONLY = "ro"
DISK_RDWR = "rw"
264
265
DISK_ACCESS_SET = frozenset([DISK_RDONLY, DISK_RDWR])

266
# disk replacement mode
267
268
269
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
270
REPLACE_DISK_AUTO = "replace_auto"
271

272
273
# lock recalculate mode
LOCKS_REPLACE = 'replace'
274
LOCKS_APPEND = 'append'
275

276
# instance creation modes
Iustin Pop's avatar
Iustin Pop committed
277
278
279
280
INSTANCE_CREATE = "create"
INSTANCE_IMPORT = "import"

DISK_TEMPLATES = frozenset([DT_DISKLESS, DT_PLAIN,
281
282
283
                            DT_DRBD8, DT_FILE])

FILE_DRIVER = frozenset([FD_LOOP, FD_BLKTAP])
Iustin Pop's avatar
Iustin Pop committed
284
285
286
287

# import/export config options
INISECT_EXP = "export"
INISECT_INS = "instance"
288

289
290
291
292
293
# dynamic device modification

DDM_ADD = 'add'
DDM_REMOVE = 'remove'

294
# common exit codes
Iustin Pop's avatar
Iustin Pop committed
295
EXIT_SUCCESS = 0
296
EXIT_FAILURE = 1
297
EXIT_NOTCLUSTER = 5
298
EXIT_NOTMASTER = 11
299
EXIT_NODESETUP_ERROR = 12
Iustin Pop's avatar
Iustin Pop committed
300
EXIT_CONFIRMATION = 13 # need user confirmation
Guido Trotter's avatar
Guido Trotter committed
301
EXIT_NOTCANDIDATE = 14
302

303
304
305
306
307
308
309
# tags
TAG_CLUSTER = "cluster"
TAG_NODE = "node"
TAG_INSTANCE = "instance"
MAX_TAG_LEN = 128
MAX_TAGS_PER_OBJ = 4096

310
311
# others
DEFAULT_BRIDGE = "xen-br0"
Iustin Pop's avatar
Iustin Pop committed
312
SYNC_SPEED = 60 * 1024
Iustin Pop's avatar
Iustin Pop committed
313
LOCALHOST_IP_ADDRESS = "127.0.0.1"
314
TCP_PING_TIMEOUT = 10
315
GANETI_RUNAS = "root"
316
DEFAULT_VG = "xenvg"
317
BIND_ADDRESS_GLOBAL = "0.0.0.0"
318
MIN_VG_SIZE = 20480
319
DEFAULT_MAC_PREFIX = "aa:00:00"
320
LVM_STRIPECOUNT = _autoconf.LVM_STRIPECOUNT
321
322
323
# default maximum instance wait time, in seconds.
DEFAULT_SHUTDOWN_TIMEOUT = 120

324

325
326
327
328
# RPC constants
(RPC_ENCODING_NONE,
 RPC_ENCODING_ZLIB_BASE64) = range(2)

329
330
331
332
333
# os related constants
OS_SCRIPT_CREATE = 'create'
OS_SCRIPT_IMPORT = 'import'
OS_SCRIPT_EXPORT = 'export'
OS_SCRIPT_RENAME = 'rename'
Iustin Pop's avatar
Iustin Pop committed
334
OS_SCRIPTS = frozenset([OS_SCRIPT_CREATE, OS_SCRIPT_IMPORT,
335
                        OS_SCRIPT_EXPORT, OS_SCRIPT_RENAME])
336

337
OS_API_FILE = 'ganeti_api_version'
338
OS_VARIANTS_FILE = 'variants.list'
339

340
# ssh constants
341
SSH_INITD_SCRIPT = _autoconf.SSH_INITD_SCRIPT
342
343
344
345
346
SSH_CONFIG_DIR = "/etc/ssh/"
SSH_HOST_DSA_PRIV = SSH_CONFIG_DIR + "ssh_host_dsa_key"
SSH_HOST_DSA_PUB = SSH_HOST_DSA_PRIV + ".pub"
SSH_HOST_RSA_PRIV = SSH_CONFIG_DIR + "ssh_host_rsa_key"
SSH_HOST_RSA_PUB = SSH_HOST_RSA_PRIV + ".pub"
347
348
SSH = "ssh"
SCP = "scp"
349
350
351
352
353

# reboot types
INSTANCE_REBOOT_SOFT = "soft"
INSTANCE_REBOOT_HARD = "hard"
INSTANCE_REBOOT_FULL = "full"
354

355
356
357
358
REBOOT_TYPES = frozenset([INSTANCE_REBOOT_SOFT,
                          INSTANCE_REBOOT_HARD,
                          INSTANCE_REBOOT_FULL])

359
360
361
362
363
364
365
366
367
368
369
VTYPE_STRING = 'string'
VTYPE_BOOL = 'bool'
VTYPE_SIZE = 'size' # size, in MiBs
VTYPE_INT = 'int'
ENFORCEABLE_TYPES = frozenset([
                      VTYPE_STRING,
                      VTYPE_BOOL,
                      VTYPE_SIZE,
                      VTYPE_INT,
                      ])

370
371
372
373
374
375
# HV parameter names (global namespace)
HV_BOOT_ORDER = "boot_order"
HV_CDROM_IMAGE_PATH = "cdrom_image_path"
HV_NIC_TYPE = "nic_type"
HV_DISK_TYPE = "disk_type"
HV_VNC_BIND_ADDRESS = "vnc_bind_address"
376
HV_VNC_PASSWORD_FILE = "vnc_password_file"
377
378
379
HV_VNC_TLS = "vnc_tls"
HV_VNC_X509 = "vnc_x509_path"
HV_VNC_X509_VERIFY = "vnc_x509_verify"
380
381
HV_ACPI = "acpi"
HV_PAE = "pae"
382
383
384
HV_USE_BOOTLOADER = "use_bootloader"
HV_BOOTLOADER_ARGS = "bootloader_args"
HV_BOOTLOADER_PATH = "bootloader_path"
385
HV_KERNEL_ARGS = "kernel_args"
386
387
HV_KERNEL_PATH = "kernel_path"
HV_INITRD_PATH = "initrd_path"
388
HV_ROOT_PATH = "root_path"
389
HV_SERIAL_CONSOLE = "serial_console"
390
HV_USB_MOUSE = "usb_mouse"
391
HV_DEVICE_MODEL = "device_model"
392
HV_INIT_SCRIPT = "init_script"
393

394
395
396
397
398
HVS_PARAMETER_TYPES = {
  HV_BOOT_ORDER: VTYPE_STRING,
  HV_CDROM_IMAGE_PATH: VTYPE_STRING,
  HV_NIC_TYPE: VTYPE_STRING,
  HV_DISK_TYPE: VTYPE_STRING,
399
  HV_VNC_PASSWORD_FILE: VTYPE_STRING,
400
401
402
403
404
405
  HV_VNC_BIND_ADDRESS: VTYPE_STRING,
  HV_VNC_TLS: VTYPE_BOOL,
  HV_VNC_X509: VTYPE_STRING,
  HV_VNC_X509_VERIFY: VTYPE_BOOL,
  HV_ACPI: VTYPE_BOOL,
  HV_PAE: VTYPE_BOOL,
406
407
408
  HV_USE_BOOTLOADER: VTYPE_BOOL,
  HV_BOOTLOADER_PATH: VTYPE_STRING,
  HV_BOOTLOADER_ARGS: VTYPE_STRING,
409
  HV_KERNEL_PATH: VTYPE_STRING,
410
  HV_KERNEL_ARGS: VTYPE_STRING,
411
412
413
414
  HV_INITRD_PATH: VTYPE_STRING,
  HV_ROOT_PATH: VTYPE_STRING,
  HV_SERIAL_CONSOLE: VTYPE_BOOL,
  HV_USB_MOUSE: VTYPE_STRING,
415
  HV_DEVICE_MODEL: VTYPE_STRING,
416
  HV_INIT_SCRIPT: VTYPE_STRING,
417
418
419
  }

HVS_PARAMETERS = frozenset(HVS_PARAMETER_TYPES.keys())
420

421
# BE parameter names
Iustin Pop's avatar
Iustin Pop committed
422
BE_MEMORY = "memory"
423
BE_VCPUS = "vcpus"
424
BE_AUTO_BALANCE = "auto_balance"
425

426
427
428
429
430
431
432
BES_PARAMETER_TYPES = {
    BE_MEMORY: VTYPE_SIZE,
    BE_VCPUS: VTYPE_INT,
    BE_AUTO_BALANCE: VTYPE_BOOL,
    }

BES_PARAMETERS = frozenset(BES_PARAMETER_TYPES.keys())
Iustin Pop's avatar
Iustin Pop committed
433

434
435
# Instance Parameters Profile
PP_DEFAULT = "default"
436

Guido Trotter's avatar
Guido Trotter committed
437
438
439
440
441
442
443
444
445
446
447
448
449
450
NIC_MODE = "mode"
NIC_LINK = "link"

NIC_MODE_BRIDGED = "bridged"
NIC_MODE_ROUTED = "routed"

NIC_VALID_MODES = frozenset([NIC_MODE_BRIDGED, NIC_MODE_ROUTED])

NICS_PARAMETER_TYPES = {
    NIC_MODE: VTYPE_STRING,
    NIC_LINK: VTYPE_STRING,
    }

NICS_PARAMETERS = frozenset(NICS_PARAMETER_TYPES.keys())
451

452
# Hypervisor constants
Iustin Pop's avatar
Iustin Pop committed
453
HT_XEN_PVM = "xen-pvm"
454
HT_FAKE = "fake"
Iustin Pop's avatar
Iustin Pop committed
455
HT_XEN_HVM = "xen-hvm"
Guido Trotter's avatar
Guido Trotter committed
456
HT_KVM = "kvm"
457
458
HT_CHROOT = "chroot"
HYPER_TYPES = frozenset([HT_XEN_PVM, HT_FAKE, HT_XEN_HVM, HT_KVM, HT_CHROOT])
Guido Trotter's avatar
Guido Trotter committed
459
HTS_REQ_PORT = frozenset([HT_XEN_HVM, HT_KVM])
460

461
VNC_BASE_PORT = 5900
462
VNC_PASSWORD_FILE = CONF_DIR + "/vnc-cluster-password"
463
VNC_DEFAULT_BIND_ADDRESS = '0.0.0.0'
464

465
# NIC types
466
467
468
HT_NIC_RTL8139 = "rtl8139"
HT_NIC_NE2K_PCI = "ne2k_pci"
HT_NIC_NE2K_ISA = "ne2k_isa"
469
470
471
472
473
HT_NIC_I82551 = "i82551"
HT_NIC_I85557B = "i82557b"
HT_NIC_I8259ER = "i82559er"
HT_NIC_PCNET = "pcnet"
HT_NIC_E1000 = "e1000"
474
HT_NIC_PARAVIRTUAL = HT_DISK_PARAVIRTUAL = "paravirtual"
475

476
477
HT_HVM_VALID_NIC_TYPES = frozenset([HT_NIC_RTL8139, HT_NIC_NE2K_PCI,
                                    HT_NIC_NE2K_ISA, HT_NIC_PARAVIRTUAL])
478
479
480
481
482
HT_KVM_VALID_NIC_TYPES = frozenset([HT_NIC_RTL8139, HT_NIC_NE2K_PCI,
                                    HT_NIC_NE2K_ISA, HT_NIC_I82551,
                                    HT_NIC_I85557B, HT_NIC_I8259ER,
                                    HT_NIC_PCNET, HT_NIC_E1000,
                                    HT_NIC_PARAVIRTUAL])
483
484
485
486
487
488
489
490
491
# Disk types
HT_DISK_IOEMU = "ioemu"
HT_DISK_IDE = "ide"
HT_DISK_SCSI = "scsi"
HT_DISK_SD = "sd"
HT_DISK_MTD = "mtd"
HT_DISK_PFLASH = "pflash"

HT_HVM_VALID_DISK_TYPES = frozenset([HT_DISK_PARAVIRTUAL, HT_DISK_IOEMU])
492
493
494
HT_KVM_VALID_DISK_TYPES = frozenset([HT_DISK_PARAVIRTUAL, HT_DISK_IDE,
                                     HT_DISK_SCSI, HT_DISK_SD, HT_DISK_MTD,
                                     HT_DISK_PFLASH])
495

496
497
498
499
500
501
502
503
504
505
506
507
508
# Mouse types:
HT_MOUSE_MOUSE = "mouse"
HT_MOUSE_TABLET = "tablet"

HT_KVM_VALID_MOUSE_TYPES = frozenset([HT_MOUSE_MOUSE, HT_MOUSE_TABLET])

# Boot order
HT_BO_CDROM = "cdrom"
HT_BO_DISK = "disk"
HT_BO_NETWORK = "network"

HT_KVM_VALID_BO_TYPES = frozenset([HT_BO_CDROM, HT_BO_DISK, HT_BO_NETWORK])

509
510
511
512
# Cluster Verify steps
VERIFY_NPLUSONE_MEM = 'nplusone_mem'
VERIFY_OPTIONAL_CHECKS = frozenset([VERIFY_NPLUSONE_MEM])

513
514
515
516
517
518
519
520
521
# Node verify constants
NV_FILELIST = "filelist"
NV_HVINFO = "hvinfo"
NV_HYPERVISOR = "hypervisor"
NV_INSTANCELIST = "instancelist"
NV_NODELIST = "nodelist"
NV_NODENETTEST = "node-net-test"
NV_VERSION = "version"
NV_VGLIST = "vglist"
522
523
NV_LVLIST = "lvlist"
NV_PVLIST = "pvlist"
524
NV_DRBDLIST = "drbd-list"
525
NV_NODESETUP = "nodesetup"
526

527
# Allocator framework constants
528
IALLOCATOR_VERSION = 2
529
530
531
532
533
IALLOCATOR_DIR_IN = "in"
IALLOCATOR_DIR_OUT = "out"
IALLOCATOR_MODE_ALLOC = "allocate"
IALLOCATOR_MODE_RELOC = "relocate"
IALLOCATOR_SEARCH_PATH = _autoconf.IALLOCATOR_SEARCH_PATH
534

535
536
537
538
539
# Job queue
JOB_QUEUE_VERSION = 1
JOB_QUEUE_LOCK_FILE = QUEUE_DIR + "/lock"
JOB_QUEUE_VERSION_FILE = QUEUE_DIR + "/version"
JOB_QUEUE_SERIAL_FILE = QUEUE_DIR + "/serial"
540
JOB_QUEUE_ARCHIVE_DIR = QUEUE_DIR + "/archive"
541
JOB_QUEUE_DRAIN_FILE = QUEUE_DIR + "/drain"
Michael Hanselmann's avatar
Michael Hanselmann committed
542
543
JOB_QUEUE_SIZE_HARD_LIMIT = 5000
JOB_QUEUE_SIZE_SOFT_LIMIT = JOB_QUEUE_SIZE_HARD_LIMIT * 0.8
544

545
546
JOB_ID_TEMPLATE = r"\d+"

547
548
549
# unchanged job return
JOB_NOTCHANGED = "nochange"

550
551
# Job status
JOB_STATUS_QUEUED = "queued"
Iustin Pop's avatar
Iustin Pop committed
552
JOB_STATUS_WAITLOCK = "waiting"
553
JOB_STATUS_CANCELING = "canceling"
554
555
556
557
558
JOB_STATUS_RUNNING = "running"
JOB_STATUS_CANCELED = "canceled"
JOB_STATUS_SUCCESS = "success"
JOB_STATUS_ERROR = "error"

559
560
# OpCode status
# not yet finalized
561
OP_STATUS_QUEUED = "queued"
Iustin Pop's avatar
Iustin Pop committed
562
OP_STATUS_WAITLOCK = "waiting"
563
OP_STATUS_CANCELING = "canceling"
564
OP_STATUS_RUNNING = "running"
565
# finalized
566
OP_STATUS_CANCELED = "canceled"
567
568
OP_STATUS_SUCCESS = "success"
OP_STATUS_ERROR = "error"
569
570
571
OPS_FINALIZED = frozenset([OP_STATUS_CANCELED,
                           OP_STATUS_SUCCESS,
                           OP_STATUS_ERROR])
572
573
574
575

# Execution log types
ELOG_MESSAGE = "message"
ELOG_PROGRESS = "progress"
576

577
# max dynamic devices
578
579
580
MAX_NICS = 8
MAX_DISKS = 16

Iustin Pop's avatar
Iustin Pop committed
581
582
# SSCONF keys
SS_CLUSTER_NAME = "cluster_name"
583
SS_CLUSTER_TAGS = "cluster_tags"
Iustin Pop's avatar
Iustin Pop committed
584
SS_FILE_STORAGE_DIR = "file_storage_dir"
585
SS_MASTER_CANDIDATES = "master_candidates"
586
SS_MASTER_CANDIDATES_IPS = "master_candidates_ips"
Iustin Pop's avatar
Iustin Pop committed
587
588
589
590
SS_MASTER_IP = "master_ip"
SS_MASTER_NETDEV = "master_netdev"
SS_MASTER_NODE = "master_node"
SS_NODE_LIST = "node_list"
591
592
SS_NODE_PRIMARY_IPS = "node_primary_ips"
SS_NODE_SECONDARY_IPS = "node_secondary_ips"
593
SS_OFFLINE_NODES = "offline_nodes"
594
595
SS_ONLINE_NODES = "online_nodes"
SS_INSTANCE_LIST = "instance_list"
596
SS_RELEASE_VERSION = "release_version"
Iustin Pop's avatar
Iustin Pop committed
597

598
599
600
601
# cluster wide default parameters
DEFAULT_ENABLED_HYPERVISOR = HT_XEN_PVM

HVC_DEFAULTS = {
602
  HT_XEN_PVM: {
603
604
605
    HV_USE_BOOTLOADER: False,
    HV_BOOTLOADER_PATH: XEN_BOOTLOADER,
    HV_BOOTLOADER_ARGS: '',
606
    HV_KERNEL_PATH: "/boot/vmlinuz-2.6-xenU",
607
    HV_INITRD_PATH: '',
608
    HV_ROOT_PATH: '/dev/sda1',
609
    HV_KERNEL_ARGS: 'ro',
610
611
612
    },
  HT_XEN_HVM: {
    HV_BOOT_ORDER: "cd",
613
    HV_CDROM_IMAGE_PATH: '',
614
    HV_NIC_TYPE: HT_NIC_RTL8139,
615
    HV_DISK_TYPE: HT_DISK_PARAVIRTUAL,
616
    HV_VNC_BIND_ADDRESS: '0.0.0.0',
617
    HV_VNC_PASSWORD_FILE: VNC_PASSWORD_FILE,
618
619
    HV_ACPI: True,
    HV_PAE: True,
620
    HV_KERNEL_PATH: "/usr/lib/xen/boot/hvmloader",
621
    HV_DEVICE_MODEL: "/usr/lib/xen/bin/qemu-dm",
622
623
624
    },
  HT_KVM: {
    HV_KERNEL_PATH: "/boot/vmlinuz-2.6-kvmU",
625
    HV_INITRD_PATH: '',
626
    HV_KERNEL_ARGS: 'ro',
627
    HV_ROOT_PATH: '/dev/vda1',
628
629
    HV_ACPI: True,
    HV_SERIAL_CONSOLE: True,
630
    HV_VNC_BIND_ADDRESS: '',
631
632
633
    HV_VNC_TLS: False,
    HV_VNC_X509: '',
    HV_VNC_X509_VERIFY: False,
634
    HV_VNC_PASSWORD_FILE: '',
635
    HV_CDROM_IMAGE_PATH: '',
636
    HV_BOOT_ORDER: HT_BO_DISK,
637
638
    HV_NIC_TYPE: HT_NIC_PARAVIRTUAL,
    HV_DISK_TYPE: HT_DISK_PARAVIRTUAL,
639
    HV_USB_MOUSE: '',
640
641
642
    },
  HT_FAKE: {
    },
643
644
645
  HT_CHROOT: {
    HV_INIT_SCRIPT: "/ganeti-chroot",
    },
646
  }
647
648

BEC_DEFAULTS = {
649
650
651
652
  BE_MEMORY: 128,
  BE_VCPUS: 1,
  BE_AUTO_BALANCE: True,
  }
653

Guido Trotter's avatar
Guido Trotter committed
654
655
656
657
658
NICC_DEFAULTS = {
  NIC_MODE: NIC_MODE_BRIDGED,
  NIC_LINK: DEFAULT_BRIDGE,
  }

659
MASTER_POOL_SIZE_DEFAULT = 10
Guido Trotter's avatar
Guido Trotter committed
660
661
662

CONFD_PROTOCOL_VERSION = 1

663
CONFD_REQ_PING = 0
Guido Trotter's avatar
Guido Trotter committed
664
665
CONFD_REQ_NODE_ROLE_BYNAME = 1
CONFD_REQ_NODE_PIP_BY_INSTANCE_IP = 2
666
CONFD_REQ_CLUSTER_MASTER = 3
667
668
CONFD_REQ_NODE_PIP_LIST = 4
CONFD_REQ_MC_PIP_LIST = 5
669
CONFD_REQ_INSTANCES_IPS_LIST = 6
Guido Trotter's avatar
Guido Trotter committed
670

671
672
673
674
675
676
677
# Confd request query fields. These are used to narrow down queries.
# These must be strings rather than integers, because json-encoding
# converts them to strings anyway, as they're used as dict-keys.
CONFD_REQQ_LINK = "0"
CONFD_REQQ_IP = "1"
CONFD_REQQ_IPLIST = "2"

Guido Trotter's avatar
Guido Trotter committed
678
CONFD_REQS = frozenset([
679
  CONFD_REQ_PING,
Guido Trotter's avatar
Guido Trotter committed
680
681
  CONFD_REQ_NODE_ROLE_BYNAME,
  CONFD_REQ_NODE_PIP_BY_INSTANCE_IP,
682
  CONFD_REQ_CLUSTER_MASTER,
683
684
  CONFD_REQ_NODE_PIP_LIST,
  CONFD_REQ_MC_PIP_LIST,
685
  CONFD_REQ_INSTANCES_IPS_LIST,
Guido Trotter's avatar
Guido Trotter committed
686
687
  ])

688
689
690
691
692
693
694
695
696
697
CONFD_REPL_STATUS_OK = 0
CONFD_REPL_STATUS_ERROR = 1
CONFD_REPL_STATUS_NOTIMPLEMENTED = 2

CONFD_REPL_STATUSES = frozenset([
  CONFD_REPL_STATUS_OK,
  CONFD_REPL_STATUS_ERROR,
  CONFD_REPL_STATUS_NOTIMPLEMENTED,
  ])

Guido Trotter's avatar
Guido Trotter committed
698
699
700
(CONFD_NODE_ROLE_MASTER,
 CONFD_NODE_ROLE_CANDIDATE,
 CONFD_NODE_ROLE_OFFLINE,
Guido Trotter's avatar
Guido Trotter committed
701
702
703
 CONFD_NODE_ROLE_DRAINED,
 CONFD_NODE_ROLE_REGULAR,
 ) = range(5)
Guido Trotter's avatar
Guido Trotter committed
704

705
706
# A few common errors for confd
CONFD_ERROR_UNKNOWN_ENTRY = 1
707
CONFD_ERROR_INTERNAL = 2
708
CONFD_ERROR_ARGUMENT = 3
709

Guido Trotter's avatar
Guido Trotter committed
710
711
712
713
# Each request is "salted" by the current timestamp.
# This constants decides how many seconds of skew to accept.
# TODO: make this a default and allow the value to be more configurable
CONFD_MAX_CLOCK_SKEW = 300
714
715
716
717
718
719
720
721
722

# When we haven't reloaded the config for more than this amount of seconds, we
# force a test to see if inotify is betraying us.
CONFD_CONFIG_RELOAD_TIMEOUT = 60

# If we receive more than one update in this amount of seconds, we move to
# polling every RATELIMIT seconds, rather than relying on inotify, to be able
# to serve more requests.
CONFD_CONFIG_RELOAD_RATELIMIT = 2
723

724
725
726
727
728
729
# Magic number prepended to all confd queries.
# This allows us to distinguish different types of confd protocols and handle
# them. For example by changing this we can move the whole payload to be
# compressed, or move away from json.
CONFD_MAGIC_FOURCC = 'plj0'

Guido Trotter's avatar
Guido Trotter committed
730
731
732
733
734
735
736
737
738
739
# By default a confd request is sent to the minimum between this number and all
# MCs. 6 was chosen because even in the case of a disastrous 50% response rate,
# we should have enough answers to be able to compare more than one.
CONFD_DEFAULT_REQ_COVERAGE = 6

# Timeout in seconds to expire pending query request in the confd client
# library. We don't actually expect any answer more than 10 seconds after we
# sent a request.
CONFD_CLIENT_EXPIRE_TIMEOUT = 10

740
741
742
743
744
745
# Maximum UDP datagram size.
# On IPv4: 64K - 20 (ip header size) - 8 (udp header size) = 65507
# On IPv6: 64K - 40 (ip6 header size) - 8 (udp header size) = 65487
#   (assuming we can't use jumbo frames)
# We just set this to 60K, which should be enough
MAX_UDP_DATA_SIZE = 61440