constants.py 20.1 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
168
169
SOCAT_ESCAPE = _autoconf.SOCAT_ESCAPE
SOCAT_ESCAPE_CODE = "0x1d"
Guido Trotter's avatar
Guido Trotter committed
170
KVM_MIGRATION_PORT = _autoconf.KVM_MIGRATION_PORT
171

172
VALUE_DEFAULT = "default"
173
174
VALUE_AUTO = "auto"
VALUE_GENERATE = "generate"
175
VALUE_NONE = "none"
176
177
VALUE_TRUE = "true"
VALUE_FALSE = "false"
178

Iustin Pop's avatar
Iustin Pop committed
179
# hooks-related constants
180
HOOKS_BASE_DIR = CONF_DIR + "/hooks"
Iustin Pop's avatar
Iustin Pop committed
181
182
HOOKS_PHASE_PRE = "pre"
HOOKS_PHASE_POST = "post"
183
HOOKS_NAME_CFGUPDATE = "config-update"
184
HOOKS_VERSION = 2
Iustin Pop's avatar
Iustin Pop committed
185
186
187
188
189
190
191
192
193
194

# 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

195
196
197
198
# Storage types
ST_FILE = "file"
ST_LVM_PV = "lvm-pv"
ST_LVM_VG = "lvm-vg"
199
200

# Storage fields
201
202
203
204
# 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
205
206
207
208
209
210
SF_NAME = "name"
SF_SIZE = "size"
SF_FREE = "free"
SF_USED = "used"
SF_ALLOCATABLE = "allocatable"

211
212
213
# Storage operations
SO_FIX_CONSISTENCY = "fix-consistency"

214
# Available fields per storage type
215
216
217
218
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
219

220
221
222
223
MODIFIABLE_STORAGE_FIELDS = {
  ST_LVM_PV: frozenset([SF_ALLOCATABLE]),
  }

224
VALID_STORAGE_OPERATIONS = {
225
  ST_LVM_VG: frozenset([SO_FIX_CONSISTENCY]),
226
227
  }

228
229
230
231
232
233
# 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
234
235
236
# disk template types
DT_DISKLESS = "diskless"
DT_PLAIN = "plain"
237
DT_DRBD8 = "drbd"
238
DT_FILE = "file"
239
240

# the set of network-mirrored disk templates
241
DTS_NET_MIRROR = frozenset([DT_DRBD8])
Iustin Pop's avatar
Iustin Pop committed
242

243
244
245
# the set of non-lvm-based disk templates
DTS_NOT_LVM = frozenset([DT_DISKLESS, DT_FILE])

246
247
# logical disk types
LD_LV = "lvm"
248
LD_DRBD8 = "drbd8"
249
LD_FILE = "file"
250
LDS_BLOCK = frozenset([LD_LV, LD_DRBD8])
251

Iustin Pop's avatar
Iustin Pop committed
252
253
# drbd constants
DRBD_HMAC_ALG = "md5"
254
DRBD_NET_PROTOCOL = "C"
Iustin Pop's avatar
Iustin Pop committed
255

256
257
258
# file backend driver
FD_LOOP = "loop"
FD_BLKTAP = "blktap"
259
260

# the set of drbd-like disk types
261
LDS_DRBD = frozenset([LD_DRBD8])
262

263
# disk access mode
264
265
DISK_RDONLY = "ro"
DISK_RDWR = "rw"
266
267
DISK_ACCESS_SET = frozenset([DISK_RDONLY, DISK_RDWR])

268
# disk replacement mode
269
270
271
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
272
REPLACE_DISK_AUTO = "replace_auto"
273

274
275
# lock recalculate mode
LOCKS_REPLACE = 'replace'
276
LOCKS_APPEND = 'append'
277

278
# instance creation modes
Iustin Pop's avatar
Iustin Pop committed
279
280
281
282
INSTANCE_CREATE = "create"
INSTANCE_IMPORT = "import"

DISK_TEMPLATES = frozenset([DT_DISKLESS, DT_PLAIN,
283
284
285
                            DT_DRBD8, DT_FILE])

FILE_DRIVER = frozenset([FD_LOOP, FD_BLKTAP])
Iustin Pop's avatar
Iustin Pop committed
286
287
288
289

# import/export config options
INISECT_EXP = "export"
INISECT_INS = "instance"
290

291
292
293
294
295
# dynamic device modification

DDM_ADD = 'add'
DDM_REMOVE = 'remove'

296
# common exit codes
Iustin Pop's avatar
Iustin Pop committed
297
EXIT_SUCCESS = 0
298
EXIT_FAILURE = 1
299
EXIT_NOTCLUSTER = 5
300
EXIT_NOTMASTER = 11
301
EXIT_NODESETUP_ERROR = 12
Iustin Pop's avatar
Iustin Pop committed
302
EXIT_CONFIRMATION = 13 # need user confirmation
Guido Trotter's avatar
Guido Trotter committed
303
EXIT_NOTCANDIDATE = 14
304

305
306
307
308
309
310
311
# tags
TAG_CLUSTER = "cluster"
TAG_NODE = "node"
TAG_INSTANCE = "instance"
MAX_TAG_LEN = 128
MAX_TAGS_PER_OBJ = 4096

312
313
# others
DEFAULT_BRIDGE = "xen-br0"
Iustin Pop's avatar
Iustin Pop committed
314
SYNC_SPEED = 60 * 1024
Iustin Pop's avatar
Iustin Pop committed
315
LOCALHOST_IP_ADDRESS = "127.0.0.1"
316
TCP_PING_TIMEOUT = 10
317
GANETI_RUNAS = "root"
318
DEFAULT_VG = "xenvg"
319
BIND_ADDRESS_GLOBAL = "0.0.0.0"
320
MIN_VG_SIZE = 20480
321
DEFAULT_MAC_PREFIX = "aa:00:00"
322
LVM_STRIPECOUNT = _autoconf.LVM_STRIPECOUNT
323
324
325
# default maximum instance wait time, in seconds.
DEFAULT_SHUTDOWN_TIMEOUT = 120

326

327
328
329
330
# RPC constants
(RPC_ENCODING_NONE,
 RPC_ENCODING_ZLIB_BASE64) = range(2)

331
332
333
334
335
# 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
336
OS_SCRIPTS = frozenset([OS_SCRIPT_CREATE, OS_SCRIPT_IMPORT,
337
                        OS_SCRIPT_EXPORT, OS_SCRIPT_RENAME])
338

339
OS_API_FILE = 'ganeti_api_version'
340
OS_VARIANTS_FILE = 'variants.list'
341

342
# ssh constants
343
SSH_INITD_SCRIPT = _autoconf.SSH_INITD_SCRIPT
344
345
346
347
348
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"
349
350
SSH = "ssh"
SCP = "scp"
351
352
353
354
355

# reboot types
INSTANCE_REBOOT_SOFT = "soft"
INSTANCE_REBOOT_HARD = "hard"
INSTANCE_REBOOT_FULL = "full"
356

357
358
359
360
REBOOT_TYPES = frozenset([INSTANCE_REBOOT_SOFT,
                          INSTANCE_REBOOT_HARD,
                          INSTANCE_REBOOT_FULL])

361
362
363
364
365
366
367
368
369
370
371
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,
                      ])

372
373
374
375
376
377
# 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"
378
HV_VNC_PASSWORD_FILE = "vnc_password_file"
379
380
381
HV_VNC_TLS = "vnc_tls"
HV_VNC_X509 = "vnc_x509_path"
HV_VNC_X509_VERIFY = "vnc_x509_verify"
382
383
HV_ACPI = "acpi"
HV_PAE = "pae"
384
385
386
HV_USE_BOOTLOADER = "use_bootloader"
HV_BOOTLOADER_ARGS = "bootloader_args"
HV_BOOTLOADER_PATH = "bootloader_path"
387
HV_KERNEL_ARGS = "kernel_args"
388
389
HV_KERNEL_PATH = "kernel_path"
HV_INITRD_PATH = "initrd_path"
390
HV_ROOT_PATH = "root_path"
391
HV_SERIAL_CONSOLE = "serial_console"
392
HV_USB_MOUSE = "usb_mouse"
393
HV_DEVICE_MODEL = "device_model"
394
HV_INIT_SCRIPT = "init_script"
395

396
397
398
399
400
HVS_PARAMETER_TYPES = {
  HV_BOOT_ORDER: VTYPE_STRING,
  HV_CDROM_IMAGE_PATH: VTYPE_STRING,
  HV_NIC_TYPE: VTYPE_STRING,
  HV_DISK_TYPE: VTYPE_STRING,
401
  HV_VNC_PASSWORD_FILE: VTYPE_STRING,
402
403
404
405
406
407
  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,
408
409
410
  HV_USE_BOOTLOADER: VTYPE_BOOL,
  HV_BOOTLOADER_PATH: VTYPE_STRING,
  HV_BOOTLOADER_ARGS: VTYPE_STRING,
411
  HV_KERNEL_PATH: VTYPE_STRING,
412
  HV_KERNEL_ARGS: VTYPE_STRING,
413
414
415
416
  HV_INITRD_PATH: VTYPE_STRING,
  HV_ROOT_PATH: VTYPE_STRING,
  HV_SERIAL_CONSOLE: VTYPE_BOOL,
  HV_USB_MOUSE: VTYPE_STRING,
417
  HV_DEVICE_MODEL: VTYPE_STRING,
418
  HV_INIT_SCRIPT: VTYPE_STRING,
419
420
421
  }

HVS_PARAMETERS = frozenset(HVS_PARAMETER_TYPES.keys())
422

423
# BE parameter names
Iustin Pop's avatar
Iustin Pop committed
424
BE_MEMORY = "memory"
425
BE_VCPUS = "vcpus"
426
BE_AUTO_BALANCE = "auto_balance"
427

428
429
430
431
432
433
434
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
435

436
437
# Instance Parameters Profile
PP_DEFAULT = "default"
438

Guido Trotter's avatar
Guido Trotter committed
439
440
441
442
443
444
445
446
447
448
449
450
451
452
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())
453

454
# Hypervisor constants
Iustin Pop's avatar
Iustin Pop committed
455
HT_XEN_PVM = "xen-pvm"
456
HT_FAKE = "fake"
Iustin Pop's avatar
Iustin Pop committed
457
HT_XEN_HVM = "xen-hvm"
Guido Trotter's avatar
Guido Trotter committed
458
HT_KVM = "kvm"
459
460
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
461
HTS_REQ_PORT = frozenset([HT_XEN_HVM, HT_KVM])
462

463
VNC_BASE_PORT = 5900
464
VNC_PASSWORD_FILE = CONF_DIR + "/vnc-cluster-password"
465
VNC_DEFAULT_BIND_ADDRESS = '0.0.0.0'
466

467
# NIC types
468
469
470
HT_NIC_RTL8139 = "rtl8139"
HT_NIC_NE2K_PCI = "ne2k_pci"
HT_NIC_NE2K_ISA = "ne2k_isa"
471
472
473
474
475
HT_NIC_I82551 = "i82551"
HT_NIC_I85557B = "i82557b"
HT_NIC_I8259ER = "i82559er"
HT_NIC_PCNET = "pcnet"
HT_NIC_E1000 = "e1000"
476
HT_NIC_PARAVIRTUAL = HT_DISK_PARAVIRTUAL = "paravirtual"
477

478
479
HT_HVM_VALID_NIC_TYPES = frozenset([HT_NIC_RTL8139, HT_NIC_NE2K_PCI,
                                    HT_NIC_NE2K_ISA, HT_NIC_PARAVIRTUAL])
480
481
482
483
484
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])
485
486
487
488
489
490
491
492
493
# 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])
494
495
496
HT_KVM_VALID_DISK_TYPES = frozenset([HT_DISK_PARAVIRTUAL, HT_DISK_IDE,
                                     HT_DISK_SCSI, HT_DISK_SD, HT_DISK_MTD,
                                     HT_DISK_PFLASH])
497

498
499
500
501
502
503
504
505
506
507
508
509
510
# 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])

511
512
513
514
# Cluster Verify steps
VERIFY_NPLUSONE_MEM = 'nplusone_mem'
VERIFY_OPTIONAL_CHECKS = frozenset([VERIFY_NPLUSONE_MEM])

515
516
517
518
519
520
521
522
523
# 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"
524
525
NV_LVLIST = "lvlist"
NV_PVLIST = "pvlist"
526
NV_DRBDLIST = "drbd-list"
527
NV_NODESETUP = "nodesetup"
528

529
# Allocator framework constants
530
IALLOCATOR_VERSION = 2
531
532
533
534
535
IALLOCATOR_DIR_IN = "in"
IALLOCATOR_DIR_OUT = "out"
IALLOCATOR_MODE_ALLOC = "allocate"
IALLOCATOR_MODE_RELOC = "relocate"
IALLOCATOR_SEARCH_PATH = _autoconf.IALLOCATOR_SEARCH_PATH
536

537
538
539
540
541
# 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"
542
JOB_QUEUE_ARCHIVE_DIR = QUEUE_DIR + "/archive"
543
JOB_QUEUE_DRAIN_FILE = QUEUE_DIR + "/drain"
Michael Hanselmann's avatar
Michael Hanselmann committed
544
545
JOB_QUEUE_SIZE_HARD_LIMIT = 5000
JOB_QUEUE_SIZE_SOFT_LIMIT = JOB_QUEUE_SIZE_HARD_LIMIT * 0.8
546

547
548
JOB_ID_TEMPLATE = r"\d+"

549
550
551
# unchanged job return
JOB_NOTCHANGED = "nochange"

552
553
# Job status
JOB_STATUS_QUEUED = "queued"
Iustin Pop's avatar
Iustin Pop committed
554
JOB_STATUS_WAITLOCK = "waiting"
555
JOB_STATUS_CANCELING = "canceling"
556
557
558
559
560
JOB_STATUS_RUNNING = "running"
JOB_STATUS_CANCELED = "canceled"
JOB_STATUS_SUCCESS = "success"
JOB_STATUS_ERROR = "error"

561
562
# OpCode status
# not yet finalized
563
OP_STATUS_QUEUED = "queued"
Iustin Pop's avatar
Iustin Pop committed
564
OP_STATUS_WAITLOCK = "waiting"
565
OP_STATUS_CANCELING = "canceling"
566
OP_STATUS_RUNNING = "running"
567
# finalized
568
OP_STATUS_CANCELED = "canceled"
569
570
OP_STATUS_SUCCESS = "success"
OP_STATUS_ERROR = "error"
571
572
573
OPS_FINALIZED = frozenset([OP_STATUS_CANCELED,
                           OP_STATUS_SUCCESS,
                           OP_STATUS_ERROR])
574
575
576
577

# Execution log types
ELOG_MESSAGE = "message"
ELOG_PROGRESS = "progress"
578

579
# max dynamic devices
580
581
582
MAX_NICS = 8
MAX_DISKS = 16

Iustin Pop's avatar
Iustin Pop committed
583
584
# SSCONF keys
SS_CLUSTER_NAME = "cluster_name"
585
SS_CLUSTER_TAGS = "cluster_tags"
Iustin Pop's avatar
Iustin Pop committed
586
SS_FILE_STORAGE_DIR = "file_storage_dir"
587
SS_MASTER_CANDIDATES = "master_candidates"
588
SS_MASTER_CANDIDATES_IPS = "master_candidates_ips"
Iustin Pop's avatar
Iustin Pop committed
589
590
591
592
SS_MASTER_IP = "master_ip"
SS_MASTER_NETDEV = "master_netdev"
SS_MASTER_NODE = "master_node"
SS_NODE_LIST = "node_list"
593
594
SS_NODE_PRIMARY_IPS = "node_primary_ips"
SS_NODE_SECONDARY_IPS = "node_secondary_ips"
595
SS_OFFLINE_NODES = "offline_nodes"
596
597
SS_ONLINE_NODES = "online_nodes"
SS_INSTANCE_LIST = "instance_list"
598
SS_RELEASE_VERSION = "release_version"
Iustin Pop's avatar
Iustin Pop committed
599

600
601
602
603
# cluster wide default parameters
DEFAULT_ENABLED_HYPERVISOR = HT_XEN_PVM

HVC_DEFAULTS = {
604
  HT_XEN_PVM: {
605
606
607
    HV_USE_BOOTLOADER: False,
    HV_BOOTLOADER_PATH: XEN_BOOTLOADER,
    HV_BOOTLOADER_ARGS: '',
608
    HV_KERNEL_PATH: "/boot/vmlinuz-2.6-xenU",
609
    HV_INITRD_PATH: '',
610
    HV_ROOT_PATH: '/dev/sda1',
611
    HV_KERNEL_ARGS: 'ro',
612
613
614
    },
  HT_XEN_HVM: {
    HV_BOOT_ORDER: "cd",
615
    HV_CDROM_IMAGE_PATH: '',
616
    HV_NIC_TYPE: HT_NIC_RTL8139,
617
    HV_DISK_TYPE: HT_DISK_PARAVIRTUAL,
618
    HV_VNC_BIND_ADDRESS: '0.0.0.0',
619
    HV_VNC_PASSWORD_FILE: VNC_PASSWORD_FILE,
620
621
    HV_ACPI: True,
    HV_PAE: True,
622
    HV_KERNEL_PATH: "/usr/lib/xen/boot/hvmloader",
623
    HV_DEVICE_MODEL: "/usr/lib/xen/bin/qemu-dm",
624
625
626
    },
  HT_KVM: {
    HV_KERNEL_PATH: "/boot/vmlinuz-2.6-kvmU",
627
    HV_INITRD_PATH: '',
628
    HV_KERNEL_ARGS: 'ro',
629
    HV_ROOT_PATH: '/dev/vda1',
630
631
    HV_ACPI: True,
    HV_SERIAL_CONSOLE: True,
632
    HV_VNC_BIND_ADDRESS: '',
633
634
635
    HV_VNC_TLS: False,
    HV_VNC_X509: '',
    HV_VNC_X509_VERIFY: False,
636
    HV_VNC_PASSWORD_FILE: '',
637
    HV_CDROM_IMAGE_PATH: '',
638
    HV_BOOT_ORDER: HT_BO_DISK,
639
640
    HV_NIC_TYPE: HT_NIC_PARAVIRTUAL,
    HV_DISK_TYPE: HT_DISK_PARAVIRTUAL,
641
    HV_USB_MOUSE: '',
642
643
644
    },
  HT_FAKE: {
    },
645
646
647
  HT_CHROOT: {
    HV_INIT_SCRIPT: "/ganeti-chroot",
    },
648
  }
649
650

BEC_DEFAULTS = {
651
652
653
654
  BE_MEMORY: 128,
  BE_VCPUS: 1,
  BE_AUTO_BALANCE: True,
  }
655

Guido Trotter's avatar
Guido Trotter committed
656
657
658
659
660
NICC_DEFAULTS = {
  NIC_MODE: NIC_MODE_BRIDGED,
  NIC_LINK: DEFAULT_BRIDGE,
  }

661
MASTER_POOL_SIZE_DEFAULT = 10
Guido Trotter's avatar
Guido Trotter committed
662
663
664

CONFD_PROTOCOL_VERSION = 1

665
CONFD_REQ_PING = 0
Guido Trotter's avatar
Guido Trotter committed
666
667
CONFD_REQ_NODE_ROLE_BYNAME = 1
CONFD_REQ_NODE_PIP_BY_INSTANCE_IP = 2
668
CONFD_REQ_CLUSTER_MASTER = 3
669
670
CONFD_REQ_NODE_PIP_LIST = 4
CONFD_REQ_MC_PIP_LIST = 5
671
CONFD_REQ_INSTANCES_IPS_LIST = 6
Guido Trotter's avatar
Guido Trotter committed
672

673
674
675
676
677
678
679
# 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
680
CONFD_REQS = frozenset([
681
  CONFD_REQ_PING,
Guido Trotter's avatar
Guido Trotter committed
682
683
  CONFD_REQ_NODE_ROLE_BYNAME,
  CONFD_REQ_NODE_PIP_BY_INSTANCE_IP,
684
  CONFD_REQ_CLUSTER_MASTER,
685
686
  CONFD_REQ_NODE_PIP_LIST,
  CONFD_REQ_MC_PIP_LIST,
687
  CONFD_REQ_INSTANCES_IPS_LIST,
Guido Trotter's avatar
Guido Trotter committed
688
689
  ])

690
691
692
693
694
695
696
697
698
699
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
700
701
702
(CONFD_NODE_ROLE_MASTER,
 CONFD_NODE_ROLE_CANDIDATE,
 CONFD_NODE_ROLE_OFFLINE,
Guido Trotter's avatar
Guido Trotter committed
703
704
705
 CONFD_NODE_ROLE_DRAINED,
 CONFD_NODE_ROLE_REGULAR,
 ) = range(5)
Guido Trotter's avatar
Guido Trotter committed
706

707
708
# A few common errors for confd
CONFD_ERROR_UNKNOWN_ENTRY = 1
709
CONFD_ERROR_INTERNAL = 2
710
CONFD_ERROR_ARGUMENT = 3
711

Guido Trotter's avatar
Guido Trotter committed
712
713
714
715
# 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
716
717
718
719
720
721
722
723
724

# 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
725

726
727
728
729
730
731
# 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
732
733
734
735
736
737
738
739
740
741
# 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

742
743
744
745
746
747
# 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