root / scripts / gnt-node @ c450e9b0
History | View | Annotate | Download (8.2 kB)
1 | a8083063 | Iustin Pop | #!/usr/bin/python |
---|---|---|---|
2 | a8083063 | Iustin Pop | # |
3 | a8083063 | Iustin Pop | |
4 | a8083063 | Iustin Pop | # Copyright (C) 2006, 2007 Google Inc. |
5 | a8083063 | Iustin Pop | # |
6 | a8083063 | Iustin Pop | # This program is free software; you can redistribute it and/or modify |
7 | a8083063 | Iustin Pop | # it under the terms of the GNU General Public License as published by |
8 | a8083063 | Iustin Pop | # the Free Software Foundation; either version 2 of the License, or |
9 | a8083063 | Iustin Pop | # (at your option) any later version. |
10 | a8083063 | Iustin Pop | # |
11 | a8083063 | Iustin Pop | # This program is distributed in the hope that it will be useful, but |
12 | a8083063 | Iustin Pop | # WITHOUT ANY WARRANTY; without even the implied warranty of |
13 | a8083063 | Iustin Pop | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
14 | a8083063 | Iustin Pop | # General Public License for more details. |
15 | a8083063 | Iustin Pop | # |
16 | a8083063 | Iustin Pop | # You should have received a copy of the GNU General Public License |
17 | a8083063 | Iustin Pop | # along with this program; if not, write to the Free Software |
18 | a8083063 | Iustin Pop | # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
19 | a8083063 | Iustin Pop | # 02110-1301, USA. |
20 | a8083063 | Iustin Pop | |
21 | a8083063 | Iustin Pop | |
22 | a8083063 | Iustin Pop | import sys |
23 | a8083063 | Iustin Pop | from optparse import make_option |
24 | a8083063 | Iustin Pop | |
25 | a8083063 | Iustin Pop | from ganeti.cli import * |
26 | a8083063 | Iustin Pop | from ganeti import opcodes |
27 | a8083063 | Iustin Pop | from ganeti import logger |
28 | a8083063 | Iustin Pop | from ganeti import utils |
29 | 846baef9 | Iustin Pop | from ganeti import constants |
30 | c450e9b0 | Iustin Pop | from ganeti import errors |
31 | a8083063 | Iustin Pop | |
32 | a8083063 | Iustin Pop | |
33 | a8083063 | Iustin Pop | def AddNode(opts, args): |
34 | a8083063 | Iustin Pop | """Add node cli-to-processor bridge.""" |
35 | 99e8bbde | Guido Trotter | logger.ToStderr("-- WARNING -- \n" |
36 | 99e8bbde | Guido Trotter | "Performing this operation is going to replace the ssh daemon keypair\n" |
37 | 99e8bbde | Guido Trotter | "on the target machine (%s) with the ones of the current one\n" |
38 | 99e8bbde | Guido Trotter | "and grant full intra-cluster ssh root access to/from it\n" % args[0]) |
39 | a8083063 | Iustin Pop | op = opcodes.OpAddNode(node_name=args[0], secondary_ip=opts.secondary_ip) |
40 | a8083063 | Iustin Pop | SubmitOpCode(op) |
41 | a8083063 | Iustin Pop | |
42 | a8083063 | Iustin Pop | |
43 | a8083063 | Iustin Pop | def ListNodes(opts, args): |
44 | a8083063 | Iustin Pop | """List nodes and their properties. |
45 | a8083063 | Iustin Pop | |
46 | a8083063 | Iustin Pop | """ |
47 | a8083063 | Iustin Pop | if opts.output is None: |
48 | a8083063 | Iustin Pop | selected_fields = ["name", "dtotal", "dfree", |
49 | a8083063 | Iustin Pop | "mtotal", "mnode", "mfree", |
50 | ec223efb | Iustin Pop | "pinst_cnt", "sinst_cnt"] |
51 | a8083063 | Iustin Pop | else: |
52 | a8083063 | Iustin Pop | selected_fields = opts.output.split(",") |
53 | a8083063 | Iustin Pop | |
54 | 246e180a | Iustin Pop | op = opcodes.OpQueryNodes(output_fields=selected_fields, names=[]) |
55 | a8083063 | Iustin Pop | output = SubmitOpCode(op) |
56 | a8083063 | Iustin Pop | |
57 | a8083063 | Iustin Pop | if not opts.no_headers: |
58 | ec223efb | Iustin Pop | headers = {"name": "Node", "pinst_cnt": "Pinst", "sinst_cnt": "Sinst", |
59 | ec223efb | Iustin Pop | "pinst_list": "PriInstances", "sinst_list": "SecInstances", |
60 | 137161c9 | Michael Hanselmann | "pip": "PrimaryIP", "sip": "SecondaryIP", |
61 | 137161c9 | Michael Hanselmann | "dtotal": "DTotal", "dfree": "DFree", |
62 | 3ef10550 | Michael Hanselmann | "mtotal": "MTotal", "mnode": "MNode", "mfree": "MFree", |
63 | 3ef10550 | Michael Hanselmann | "bootid": "BootID"} |
64 | 137161c9 | Michael Hanselmann | else: |
65 | 137161c9 | Michael Hanselmann | headers = None |
66 | 137161c9 | Michael Hanselmann | |
67 | 137161c9 | Michael Hanselmann | if opts.human_readable: |
68 | 137161c9 | Michael Hanselmann | unitfields = ["dtotal", "dfree", "mtotal", "mnode", "mfree"] |
69 | 137161c9 | Michael Hanselmann | else: |
70 | 137161c9 | Michael Hanselmann | unitfields = None |
71 | 137161c9 | Michael Hanselmann | |
72 | ec223efb | Iustin Pop | numfields = ["dtotal", "dfree", |
73 | ec223efb | Iustin Pop | "mtotal", "mnode", "mfree", |
74 | ec223efb | Iustin Pop | "pinst_cnt", "sinst_cnt"] |
75 | ec223efb | Iustin Pop | |
76 | ec223efb | Iustin Pop | # change raw values to nicer strings |
77 | ec223efb | Iustin Pop | for row in output: |
78 | ec223efb | Iustin Pop | for idx, field in enumerate(selected_fields): |
79 | ec223efb | Iustin Pop | val = row[idx] |
80 | ec223efb | Iustin Pop | if field == "pinst_list": |
81 | ec223efb | Iustin Pop | val = ",".join(val) |
82 | ec223efb | Iustin Pop | elif field == "sinst_list": |
83 | ec223efb | Iustin Pop | val = ",".join(val) |
84 | ec223efb | Iustin Pop | elif val is None: |
85 | ec223efb | Iustin Pop | val = "?" |
86 | ec223efb | Iustin Pop | row[idx] = str(val) |
87 | 137161c9 | Michael Hanselmann | |
88 | 16be8703 | Iustin Pop | data = GenerateTable(separator=opts.separator, headers=headers, |
89 | 16be8703 | Iustin Pop | fields=selected_fields, unitfields=unitfields, |
90 | 16be8703 | Iustin Pop | numfields=numfields, data=output) |
91 | 16be8703 | Iustin Pop | for line in data: |
92 | 16be8703 | Iustin Pop | logger.ToStdout(line) |
93 | a8083063 | Iustin Pop | |
94 | a8083063 | Iustin Pop | return 0 |
95 | a8083063 | Iustin Pop | |
96 | a8083063 | Iustin Pop | |
97 | c450e9b0 | Iustin Pop | def FailoverNode(opts, args): |
98 | c450e9b0 | Iustin Pop | """Failover all primary instance on a node. |
99 | c450e9b0 | Iustin Pop | |
100 | c450e9b0 | Iustin Pop | """ |
101 | c450e9b0 | Iustin Pop | force = opts.force |
102 | c450e9b0 | Iustin Pop | selected_fields = ["name", "pinst_list"] |
103 | c450e9b0 | Iustin Pop | |
104 | c450e9b0 | Iustin Pop | op = opcodes.OpQueryNodes(output_fields=selected_fields, names=args) |
105 | c450e9b0 | Iustin Pop | result = SubmitOpCode(op) |
106 | c450e9b0 | Iustin Pop | node, pinst = result[0] |
107 | c450e9b0 | Iustin Pop | |
108 | c450e9b0 | Iustin Pop | if not pinst: |
109 | c450e9b0 | Iustin Pop | logger.ToStderr("No primary instances on node %s, exiting." % node) |
110 | c450e9b0 | Iustin Pop | return 0 |
111 | c450e9b0 | Iustin Pop | |
112 | c450e9b0 | Iustin Pop | pinst = utils.NiceSort(pinst) |
113 | c450e9b0 | Iustin Pop | |
114 | c450e9b0 | Iustin Pop | retcode = 0 |
115 | c450e9b0 | Iustin Pop | |
116 | c450e9b0 | Iustin Pop | if not force and not AskUser("Fail over instance(s) %s?" % |
117 | c450e9b0 | Iustin Pop | (",".join("'%s'" % name for name in pinst))): |
118 | c450e9b0 | Iustin Pop | return 2 |
119 | c450e9b0 | Iustin Pop | |
120 | c450e9b0 | Iustin Pop | good_cnt = bad_cnt = 0 |
121 | c450e9b0 | Iustin Pop | for iname in pinst: |
122 | c450e9b0 | Iustin Pop | op = opcodes.OpFailoverInstance(instance_name=iname, |
123 | c450e9b0 | Iustin Pop | ignore_consistency=opts.ignore_consistency) |
124 | c450e9b0 | Iustin Pop | try: |
125 | c450e9b0 | Iustin Pop | logger.ToStdout("Failing over instance %s" % iname) |
126 | c450e9b0 | Iustin Pop | SubmitOpCode(op) |
127 | c450e9b0 | Iustin Pop | logger.ToStdout("Instance %s has been failed over" % iname) |
128 | c450e9b0 | Iustin Pop | good_cnt += 1 |
129 | c450e9b0 | Iustin Pop | except errors.GenericError, err: |
130 | c450e9b0 | Iustin Pop | nret, msg = FormatError(err) |
131 | c450e9b0 | Iustin Pop | retcode |= nret |
132 | c450e9b0 | Iustin Pop | logger.ToStderr("Error failing over instance %s: %s" % (iname, msg)) |
133 | c450e9b0 | Iustin Pop | bad_cnt += 1 |
134 | c450e9b0 | Iustin Pop | |
135 | c450e9b0 | Iustin Pop | if retcode == 0: |
136 | c450e9b0 | Iustin Pop | logger.ToStdout("All %d instance(s) failed over successfully." % good_cnt) |
137 | c450e9b0 | Iustin Pop | else: |
138 | c450e9b0 | Iustin Pop | logger.ToStdout("There were errors during the failover:\n" |
139 | c450e9b0 | Iustin Pop | "%d error(s) out of %d instance(s)." % |
140 | c450e9b0 | Iustin Pop | (bad_cnt, good_cnt + bad_cnt)) |
141 | c450e9b0 | Iustin Pop | return retcode |
142 | c450e9b0 | Iustin Pop | |
143 | c450e9b0 | Iustin Pop | |
144 | a8083063 | Iustin Pop | def ShowNodeConfig(opts, args): |
145 | a8083063 | Iustin Pop | """Show node information. |
146 | a8083063 | Iustin Pop | |
147 | a8083063 | Iustin Pop | """ |
148 | 4a72cc75 | Iustin Pop | op = opcodes.OpQueryNodes(output_fields=["name", "pip", "sip", |
149 | 4a72cc75 | Iustin Pop | "pinst_list", "sinst_list"], |
150 | 246e180a | Iustin Pop | names=args) |
151 | a8083063 | Iustin Pop | result = SubmitOpCode(op) |
152 | a8083063 | Iustin Pop | |
153 | a8083063 | Iustin Pop | for name, primary_ip, secondary_ip, pinst, sinst in result: |
154 | a8083063 | Iustin Pop | logger.ToStdout("Node name: %s" % name) |
155 | a8083063 | Iustin Pop | logger.ToStdout(" primary ip: %s" % primary_ip) |
156 | a8083063 | Iustin Pop | logger.ToStdout(" secondary ip: %s" % secondary_ip) |
157 | a8083063 | Iustin Pop | if pinst: |
158 | a8083063 | Iustin Pop | logger.ToStdout(" primary for instances:") |
159 | a8083063 | Iustin Pop | for iname in pinst: |
160 | a8083063 | Iustin Pop | logger.ToStdout(" - %s" % iname) |
161 | a8083063 | Iustin Pop | else: |
162 | a8083063 | Iustin Pop | logger.ToStdout(" primary for no instances") |
163 | a8083063 | Iustin Pop | if sinst: |
164 | a8083063 | Iustin Pop | logger.ToStdout(" secondary for instances:") |
165 | a8083063 | Iustin Pop | for iname in sinst: |
166 | a8083063 | Iustin Pop | logger.ToStdout(" - %s" % iname) |
167 | a8083063 | Iustin Pop | else: |
168 | a8083063 | Iustin Pop | logger.ToStdout(" secondary for no instances") |
169 | a8083063 | Iustin Pop | |
170 | a8083063 | Iustin Pop | return 0 |
171 | a8083063 | Iustin Pop | |
172 | a8083063 | Iustin Pop | |
173 | a8083063 | Iustin Pop | def RemoveNode(opts, args): |
174 | a8083063 | Iustin Pop | """Remove node cli-to-processor bridge.""" |
175 | a8083063 | Iustin Pop | op = opcodes.OpRemoveNode(node_name=args[0]) |
176 | a8083063 | Iustin Pop | SubmitOpCode(op) |
177 | a8083063 | Iustin Pop | |
178 | a8083063 | Iustin Pop | |
179 | dcb93971 | Michael Hanselmann | def ListVolumes(opts, args): |
180 | dcb93971 | Michael Hanselmann | """List logical volumes on node(s). |
181 | dcb93971 | Michael Hanselmann | |
182 | dcb93971 | Michael Hanselmann | """ |
183 | dcb93971 | Michael Hanselmann | if opts.output is None: |
184 | dcb93971 | Michael Hanselmann | selected_fields = ["node", "phys", "vg", |
185 | dcb93971 | Michael Hanselmann | "name", "size", "instance"] |
186 | dcb93971 | Michael Hanselmann | else: |
187 | dcb93971 | Michael Hanselmann | selected_fields = opts.output.split(",") |
188 | dcb93971 | Michael Hanselmann | |
189 | dcb93971 | Michael Hanselmann | op = opcodes.OpQueryNodeVolumes(nodes=args, output_fields=selected_fields) |
190 | dcb93971 | Michael Hanselmann | output = SubmitOpCode(op) |
191 | dcb93971 | Michael Hanselmann | |
192 | dcb93971 | Michael Hanselmann | if not opts.no_headers: |
193 | 137161c9 | Michael Hanselmann | headers = {"node": "Node", "phys": "PhysDev", |
194 | 137161c9 | Michael Hanselmann | "vg": "VG", "name": "Name", |
195 | 137161c9 | Michael Hanselmann | "size": "Size", "instance": "Instance"} |
196 | 137161c9 | Michael Hanselmann | else: |
197 | 137161c9 | Michael Hanselmann | headers = None |
198 | 137161c9 | Michael Hanselmann | |
199 | 137161c9 | Michael Hanselmann | if opts.human_readable: |
200 | 137161c9 | Michael Hanselmann | unitfields = ["size"] |
201 | 137161c9 | Michael Hanselmann | else: |
202 | 137161c9 | Michael Hanselmann | unitfields = None |
203 | 137161c9 | Michael Hanselmann | |
204 | 137161c9 | Michael Hanselmann | numfields = ["size"] |
205 | 137161c9 | Michael Hanselmann | |
206 | 16be8703 | Iustin Pop | data = GenerateTable(separator=opts.separator, headers=headers, |
207 | 16be8703 | Iustin Pop | fields=selected_fields, unitfields=unitfields, |
208 | 16be8703 | Iustin Pop | numfields=numfields, data=output) |
209 | 16be8703 | Iustin Pop | |
210 | 16be8703 | Iustin Pop | for line in data: |
211 | 16be8703 | Iustin Pop | logger.ToStdout(line) |
212 | dcb93971 | Michael Hanselmann | |
213 | dcb93971 | Michael Hanselmann | return 0 |
214 | dcb93971 | Michael Hanselmann | |
215 | dcb93971 | Michael Hanselmann | |
216 | a8083063 | Iustin Pop | commands = { |
217 | a8083063 | Iustin Pop | 'add': (AddNode, ARGS_ONE, |
218 | a8083063 | Iustin Pop | [DEBUG_OPT, |
219 | a8083063 | Iustin Pop | make_option("-s", "--secondary-ip", dest="secondary_ip", |
220 | a8083063 | Iustin Pop | help="Specify the secondary ip for the node", |
221 | a8083063 | Iustin Pop | metavar="ADDRESS", default=None),], |
222 | a8083063 | Iustin Pop | "<node_name>", "Add a node to the cluster"), |
223 | c450e9b0 | Iustin Pop | 'failover': (FailoverNode, ARGS_ONE, |
224 | c450e9b0 | Iustin Pop | [DEBUG_OPT, FORCE_OPT, |
225 | c450e9b0 | Iustin Pop | make_option("--ignore-consistency", dest="ignore_consistency", |
226 | c450e9b0 | Iustin Pop | action="store_true", default=False, |
227 | c450e9b0 | Iustin Pop | help="Ignore the consistency of the disks on" |
228 | c450e9b0 | Iustin Pop | " the secondary"), |
229 | c450e9b0 | Iustin Pop | ], |
230 | c450e9b0 | Iustin Pop | "[-f] <node>", |
231 | c450e9b0 | Iustin Pop | "Stops the primary instances on a node and start them on their" |
232 | c450e9b0 | Iustin Pop | " secondary node (only for instances of type remote_raid1)"), |
233 | a8083063 | Iustin Pop | 'info': (ShowNodeConfig, ARGS_ANY, [DEBUG_OPT], |
234 | a8083063 | Iustin Pop | "[<node_name>...]", "Show information about the node(s)"), |
235 | a8083063 | Iustin Pop | 'list': (ListNodes, ARGS_NONE, |
236 | dcb93971 | Michael Hanselmann | [DEBUG_OPT, NOHDR_OPT, SEP_OPT, USEUNITS_OPT, FIELDS_OPT], |
237 | a8083063 | Iustin Pop | "", "Lists the nodes in the cluster"), |
238 | a8083063 | Iustin Pop | 'remove': (RemoveNode, ARGS_ONE, [DEBUG_OPT], |
239 | a8083063 | Iustin Pop | "<node_name>", "Removes a node from the cluster"), |
240 | dcb93971 | Michael Hanselmann | 'volumes': (ListVolumes, ARGS_ANY, |
241 | dcb93971 | Michael Hanselmann | [DEBUG_OPT, NOHDR_OPT, SEP_OPT, USEUNITS_OPT, FIELDS_OPT], |
242 | dcb93971 | Michael Hanselmann | "[<node_name>...]", "List logical volumes on node(s)"), |
243 | 846baef9 | Iustin Pop | 'list-tags': (ListTags, ARGS_ONE, [DEBUG_OPT], |
244 | 846baef9 | Iustin Pop | "<node_name>", "List the tags of the given node"), |
245 | 810c50b7 | Iustin Pop | 'add-tags': (AddTags, ARGS_ATLEAST(1), [DEBUG_OPT, TAG_SRC_OPT], |
246 | 846baef9 | Iustin Pop | "<node_name> tag...", "Add tags to the given node"), |
247 | 810c50b7 | Iustin Pop | 'remove-tags': (RemoveTags, ARGS_ATLEAST(1), [DEBUG_OPT, TAG_SRC_OPT], |
248 | 846baef9 | Iustin Pop | "<node_name> tag...", "Remove tags from the given node"), |
249 | a8083063 | Iustin Pop | } |
250 | a8083063 | Iustin Pop | |
251 | a8083063 | Iustin Pop | |
252 | a8083063 | Iustin Pop | if __name__ == '__main__': |
253 | 846baef9 | Iustin Pop | sys.exit(GenericMain(commands, override={"tag_type": constants.TAG_NODE})) |