Statistics
| Branch: | Tag: | Revision:

root / lib / constants.py @ 7e2c5b9e

History | View | Annotate | Download (7.5 kB)

1
#
2
#
3

    
4
# Copyright (C) 2006, 2007 Google Inc.
5
#
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.
10
#
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.
15
#
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
19
# 02110-1301, USA.
20

    
21

    
22
"""Module holding different constants."""
23

    
24
from ganeti import _autoconf
25

    
26
# various versions
27
PROTOCOL_VERSION = 13
28
RELEASE_VERSION = _autoconf.PACKAGE_VERSION
29
OS_API_VERSION = 5
30
EXPORT_VERSION = 0
31
RAPI_VERSION = 2
32

    
33

    
34
# Format for CONFIG_VERSION:
35
#   01 03 0123 = 01030123
36
#   ^^ ^^ ^^^^
37
#   |  |  + Configuration version/revision
38
#   |  + Minor version
39
#   + Major version
40
#
41
# It stored as an integer. Make sure not to write an octal number.
42

    
43
# BuildVersion and SplitVersion must be in here because we can't import other
44
# modules. The cfgupgrade tool must be able to read and write version numbers
45
# and thus requires these functions. To avoid code duplication, they're kept in
46
# here.
47

    
48
def BuildVersion(major, minor, revision):
49
  """Calculates int version number from major, minor and revision numbers.
50

51
  Returns: int representing version number
52

53
  """
54
  assert isinstance(major, int)
55
  assert isinstance(minor, int)
56
  assert isinstance(revision, int)
57
  return (1000000 * major +
58
            10000 * minor +
59
                1 * revision)
60

    
61

    
62
def SplitVersion(version):
63
  """Splits version number stored in an int.
64

65
  Returns: tuple; (major, minor, revision)
66

67
  """
68
  assert isinstance(version, int)
69

    
70
  (major, remainder) = divmod(version, 1000000)
71
  (minor, revision) = divmod(remainder, 10000)
72

    
73
  return (major, minor, revision)
74

    
75

    
76
CONFIG_MAJOR = int(_autoconf.VERSION_MAJOR)
77
CONFIG_MINOR = int(_autoconf.VERSION_MINOR)
78
CONFIG_REVISION = 0
79
CONFIG_VERSION = BuildVersion(CONFIG_MAJOR, CONFIG_MINOR, CONFIG_REVISION)
80

    
81
# file paths
82
DATA_DIR = _autoconf.LOCALSTATEDIR + "/lib/ganeti"
83
RUN_DIR = _autoconf.LOCALSTATEDIR + "/run"
84
RUN_GANETI_DIR = RUN_DIR + "/ganeti"
85
BDEV_CACHE_DIR = RUN_GANETI_DIR + "/bdev-cache"
86
DISK_LINKS_DIR = RUN_GANETI_DIR + "/instance-disks"
87
# keep RUN_GANETI_DIR first here, to make sure all get created when the node
88
# daemon is started (this takes care of RUN_DIR being tmpfs)
89
SUB_RUN_DIRS = [ RUN_GANETI_DIR, BDEV_CACHE_DIR, DISK_LINKS_DIR ]
90
LOCK_DIR = _autoconf.LOCALSTATEDIR + "/lock"
91
CLUSTER_CONF_FILE = DATA_DIR + "/config.data"
92
SSL_CERT_FILE = DATA_DIR + "/server.pem"
93
WATCHER_STATEFILE = DATA_DIR + "/watcher.data"
94
SSH_KNOWN_HOSTS_FILE = DATA_DIR + "/known_hosts"
95
QUEUE_DIR = DATA_DIR + "/queue"
96
ETC_HOSTS = "/etc/hosts"
97
DEFAULT_FILE_STORAGE_DIR = _autoconf.FILE_STORAGE_DIR
98
MASTER_SOCKET = RUN_GANETI_DIR + "/master.sock"
99

    
100
# PID files
101
MASTERD_PID = "ganeti-masterd"
102
NODED_PID = "ganeti-noded"
103
RAPI_PID = "ganeti-rapi"
104

    
105
NODE_INITD_SCRIPT = _autoconf.SYSCONFDIR + "/init.d/ganeti"
106
DEFAULT_NODED_PORT = 1811
107
FIRST_DRBD_PORT = 11000
108
LAST_DRBD_PORT = 14999
109
MASTER_SCRIPT = "ganeti-master"
110

    
111
LOG_DIR = _autoconf.LOCALSTATEDIR + "/log/ganeti/"
112
LOG_OS_DIR = LOG_DIR + "os"
113
LOG_NODESERVER = LOG_DIR + "node-daemon.log"
114
LOG_WATCHER = LOG_DIR + "watcher.log"
115
LOG_MASTERDAEMON = LOG_DIR + "master-daemon.log"
116
LOG_RAPISERVER = LOG_DIR + "rapi-daemon.log"
117
LOG_RAPIACCESS = LOG_DIR + "rapi-access.log"
118
LOG_COMMANDS = LOG_DIR + "commands.log"
119
LOG_BURNING = LOG_DIR + "burnin.log"
120

    
121
OS_SEARCH_PATH = _autoconf.OS_SEARCH_PATH
122
EXPORT_DIR = _autoconf.EXPORT_DIR
123

    
124
EXPORT_CONF_FILE = "config.ini"
125

    
126
XEN_KERNEL = _autoconf.XEN_KERNEL
127
XEN_INITRD = _autoconf.XEN_INITRD
128

    
129
KVM_PATH = _autoconf.KVM_PATH
130

    
131
VALUE_DEFAULT = "default"
132
VALUE_NONE = "none"
133

    
134
# hooks-related constants
135
HOOKS_BASE_DIR = _autoconf.SYSCONFDIR + "/ganeti/hooks"
136
HOOKS_PHASE_PRE = "pre"
137
HOOKS_PHASE_POST = "post"
138
HOOKS_NAME_CFGUPDATE = "config-update"
139
HOOKS_VERSION = 1
140

    
141
# hooks subject type (what object type does the LU deal with)
142
HTYPE_CLUSTER = "CLUSTER"
143
HTYPE_NODE = "NODE"
144
HTYPE_INSTANCE = "INSTANCE"
145

    
146
HKR_SKIP = 0
147
HKR_FAIL = 1
148
HKR_SUCCESS = 2
149

    
150
# disk template types
151
DT_DISKLESS = "diskless"
152
DT_PLAIN = "plain"
153
DT_DRBD8 = "drbd"
154
DT_FILE = "file"
155

    
156
# the set of network-mirrored disk templates
157
DTS_NET_MIRROR = frozenset([DT_DRBD8])
158

    
159
# the set of non-lvm-based disk templates
160
DTS_NOT_LVM = frozenset([DT_DISKLESS, DT_FILE])
161

    
162
# logical disk types
163
LD_LV = "lvm"
164
LD_DRBD8 = "drbd8"
165
LD_FILE = "file"
166

    
167
# file backend driver
168
FD_LOOP = "loop"
169
FD_BLKTAP = "blktap"
170

    
171
# the set of drbd-like disk types
172
LDS_DRBD = frozenset([LD_DRBD8])
173

    
174
# disk replacement mode
175
REPLACE_DISK_PRI = "replace_primary"
176
REPLACE_DISK_SEC = "replace_secondary"
177
REPLACE_DISK_ALL = "replace_all"
178

    
179
# instance creation modes
180
INSTANCE_CREATE = "create"
181
INSTANCE_IMPORT = "import"
182

    
183
DISK_TEMPLATES = frozenset([DT_DISKLESS, DT_PLAIN,
184
                            DT_DRBD8, DT_FILE])
185

    
186
FILE_DRIVER = frozenset([FD_LOOP, FD_BLKTAP])
187

    
188
# import/export config options
189
INISECT_EXP = "export"
190
INISECT_INS = "instance"
191

    
192
# common exit codes
193
EXIT_SUCCESS = 0
194
EXIT_FAILURE = 1
195
EXIT_NOTMASTER = 11
196
EXIT_NODESETUP_ERROR = 12
197
EXIT_CONFIRMATION = 13 # need user confirmation
198

    
199
# tags
200
TAG_CLUSTER = "cluster"
201
TAG_NODE = "node"
202
TAG_INSTANCE = "instance"
203
MAX_TAG_LEN = 128
204
MAX_TAGS_PER_OBJ = 4096
205

    
206
# others
207
DEFAULT_BRIDGE = "xen-br0"
208
SYNC_SPEED = 30 * 1024
209
LOCALHOST_IP_ADDRESS = "127.0.0.1"
210
TCP_PING_TIMEOUT = 10
211
GANETI_RUNAS = "root"
212
DEFAULT_VG = "xenvg"
213
BIND_ADDRESS_GLOBAL = "0.0.0.0"
214
MIN_VG_SIZE = 20480
215

    
216
# valid os status
217
OS_VALID_STATUS = "VALID"
218

    
219
# ssh constants
220
SSH_INITD_SCRIPT = _autoconf.SSH_INITD_SCRIPT
221
SSH_CONFIG_DIR = "/etc/ssh/"
222
SSH_HOST_DSA_PRIV = SSH_CONFIG_DIR + "ssh_host_dsa_key"
223
SSH_HOST_DSA_PUB = SSH_HOST_DSA_PRIV + ".pub"
224
SSH_HOST_RSA_PRIV = SSH_CONFIG_DIR + "ssh_host_rsa_key"
225
SSH_HOST_RSA_PUB = SSH_HOST_RSA_PRIV + ".pub"
226
SSH = "ssh"
227
SCP = "scp"
228

    
229
# reboot types
230
INSTANCE_REBOOT_SOFT = "soft"
231
INSTANCE_REBOOT_HARD = "hard"
232
INSTANCE_REBOOT_FULL = "full"
233

    
234
# Hypervisor constants
235
HT_XEN_PVM30 = "xen-3.0"
236
HT_FAKE = "fake"
237
HT_XEN_HVM31 = "xen-hvm-3.1"
238
HYPER_TYPES = frozenset([HT_XEN_PVM30, HT_FAKE, HT_XEN_HVM31])
239
HTS_REQ_PORT = frozenset([HT_XEN_HVM31])
240

    
241
HT_HVM_VNC_BASE_PORT = 5900
242
HT_HVM_DEFAULT_BOOT_ORDER = 'dc'
243
VNC_PASSWORD_FILE = _autoconf.SYSCONFDIR + "/ganeti/vnc-cluster-password"
244
VNC_DEFAULT_BIND_ADDRESS = '0.0.0.0'
245

    
246
# Cluster Verify steps
247
VERIFY_NPLUSONE_MEM = 'nplusone_mem'
248
VERIFY_OPTIONAL_CHECKS = frozenset([VERIFY_NPLUSONE_MEM])
249

    
250
# Allocator framework constants
251
IALLOCATOR_DIR_IN = "in"
252
IALLOCATOR_DIR_OUT = "out"
253
IALLOCATOR_MODE_ALLOC = "allocate"
254
IALLOCATOR_MODE_RELOC = "relocate"
255
IALLOCATOR_SEARCH_PATH = _autoconf.IALLOCATOR_SEARCH_PATH
256
IARUN_NOTFOUND = 1
257
IARUN_FAILURE = 2
258
IARUN_SUCCESS = 3
259

    
260
# Job queue
261
JOB_QUEUE_VERSION = 1
262
JOB_QUEUE_LOCK_FILE = QUEUE_DIR + "/lock"
263
JOB_QUEUE_VERSION_FILE = QUEUE_DIR + "/version"
264
JOB_QUEUE_SERIAL_FILE = QUEUE_DIR + "/serial"
265
JOB_QUEUE_ARCHIVE_DIR = QUEUE_DIR + "/archive"
266

    
267
JOB_ID_TEMPLATE = r"\d+"
268

    
269
# Job status
270
JOB_STATUS_QUEUED = "queued"
271
JOB_STATUS_RUNNING = "running"
272
JOB_STATUS_CANCELED = "canceled"
273
JOB_STATUS_SUCCESS = "success"
274
JOB_STATUS_ERROR = "error"
275

    
276
OP_STATUS_QUEUED = "queued"
277
OP_STATUS_RUNNING = "running"
278
OP_STATUS_CANCELED = "canceled"
279
OP_STATUS_SUCCESS = "success"
280
OP_STATUS_ERROR = "error"
281

    
282
# Execution log types
283
ELOG_MESSAGE = "message"
284
ELOG_PROGRESS = "progress"
285

    
286
# Temporary RAPI constants until we have cluster parameters
287
RAPI_ENABLE = True
288
RAPI_PORT = 5080