root / tools / burnin @ 6852c52f
History | View | Annotate | Download (10 kB)
1 | a8083063 | Iustin Pop | #!/usr/bin/python |
---|---|---|---|
2 | a8083063 | Iustin Pop | # |
3 | a8083063 | Iustin Pop | |
4 | 175f44c2 | Iustin Pop | """Burnin program""" |
5 | 175f44c2 | Iustin Pop | |
6 | a8083063 | Iustin Pop | import sys |
7 | a8083063 | Iustin Pop | import optparse |
8 | 175f44c2 | Iustin Pop | from itertools import izip, islice, cycle |
9 | 21546b1c | Iustin Pop | from cStringIO import StringIO |
10 | a8083063 | Iustin Pop | |
11 | a8083063 | Iustin Pop | from ganeti import opcodes |
12 | a8083063 | Iustin Pop | from ganeti import mcpu |
13 | a8083063 | Iustin Pop | from ganeti import constants |
14 | a8083063 | Iustin Pop | from ganeti import cli |
15 | a8083063 | Iustin Pop | from ganeti import logger |
16 | 9f13fc7a | Iustin Pop | from ganeti import errors |
17 | 9f13fc7a | Iustin Pop | from ganeti import utils |
18 | a8083063 | Iustin Pop | |
19 | 9f13fc7a | Iustin Pop | USAGE = ("\tburnin -o OS_NAME [options...] instance_name ...") |
20 | a8083063 | Iustin Pop | |
21 | a8083063 | Iustin Pop | def Usage(): |
22 | a8083063 | Iustin Pop | """Shows program usage information and exits the program.""" |
23 | a8083063 | Iustin Pop | |
24 | a8083063 | Iustin Pop | print >> sys.stderr, "Usage:" |
25 | a8083063 | Iustin Pop | print >> sys.stderr, USAGE |
26 | a8083063 | Iustin Pop | sys.exit(2) |
27 | a8083063 | Iustin Pop | |
28 | 21546b1c | Iustin Pop | def Log(msg): |
29 | 3ecf6786 | Iustin Pop | """Simple function that prints out its argument. |
30 | 3ecf6786 | Iustin Pop | |
31 | 3ecf6786 | Iustin Pop | """ |
32 | 3ecf6786 | Iustin Pop | print msg |
33 | a8083063 | Iustin Pop | |
34 | 175f44c2 | Iustin Pop | class Burner(object): |
35 | 175f44c2 | Iustin Pop | """Burner class.""" |
36 | 175f44c2 | Iustin Pop | |
37 | 175f44c2 | Iustin Pop | def __init__(self): |
38 | 175f44c2 | Iustin Pop | """Constructor.""" |
39 | 21546b1c | Iustin Pop | logger.SetupLogging(debug=False, program="ganeti/burnin") |
40 | 21546b1c | Iustin Pop | self._feed_buf = StringIO() |
41 | 21546b1c | Iustin Pop | self.proc = mcpu.Processor(feedback=self.Feedback) |
42 | 175f44c2 | Iustin Pop | self.nodes = [] |
43 | 175f44c2 | Iustin Pop | self.instances = [] |
44 | 175f44c2 | Iustin Pop | self.to_rem = [] |
45 | 175f44c2 | Iustin Pop | self.opts = None |
46 | 175f44c2 | Iustin Pop | self.ParseOptions() |
47 | 175f44c2 | Iustin Pop | self.GetState() |
48 | 175f44c2 | Iustin Pop | |
49 | 21546b1c | Iustin Pop | def ClearFeedbackBuf(self): |
50 | 21546b1c | Iustin Pop | """Clear the feedback buffer.""" |
51 | 21546b1c | Iustin Pop | self._feed_buf.truncate(0) |
52 | 21546b1c | Iustin Pop | |
53 | 21546b1c | Iustin Pop | def GetFeedbackBuf(self): |
54 | 21546b1c | Iustin Pop | """Return the contents of the buffer.""" |
55 | 21546b1c | Iustin Pop | return self._feed_buf.getvalue() |
56 | 21546b1c | Iustin Pop | |
57 | 21546b1c | Iustin Pop | def Feedback(self, msg): |
58 | 21546b1c | Iustin Pop | """Acumulate feedback in our buffer.""" |
59 | 21546b1c | Iustin Pop | self._feed_buf.write(msg) |
60 | 21546b1c | Iustin Pop | self._feed_buf.write("\n") |
61 | 21546b1c | Iustin Pop | |
62 | 21546b1c | Iustin Pop | def ExecOp(self, op): |
63 | 21546b1c | Iustin Pop | """Execute an opcode and manage the exec buffer.""" |
64 | 21546b1c | Iustin Pop | self.ClearFeedbackBuf() |
65 | 21546b1c | Iustin Pop | return self.proc.ExecOpCode(op) |
66 | 21546b1c | Iustin Pop | |
67 | 175f44c2 | Iustin Pop | def ParseOptions(self): |
68 | 175f44c2 | Iustin Pop | """Parses the command line options. |
69 | 175f44c2 | Iustin Pop | |
70 | 175f44c2 | Iustin Pop | In case of command line errors, it will show the usage and exit the |
71 | 175f44c2 | Iustin Pop | program. |
72 | 175f44c2 | Iustin Pop | |
73 | 175f44c2 | Iustin Pop | """ |
74 | 175f44c2 | Iustin Pop | |
75 | 175f44c2 | Iustin Pop | parser = optparse.OptionParser(usage="\n%s" % USAGE, |
76 | 175f44c2 | Iustin Pop | version="%%prog (ganeti) %s" % |
77 | 175f44c2 | Iustin Pop | constants.RELEASE_VERSION, |
78 | 175f44c2 | Iustin Pop | option_class=cli.CliOption) |
79 | 175f44c2 | Iustin Pop | |
80 | 175f44c2 | Iustin Pop | parser.add_option("-o", "--os", dest="os", default=None, |
81 | 175f44c2 | Iustin Pop | help="OS to use during burnin", |
82 | 175f44c2 | Iustin Pop | metavar="<OS>") |
83 | 175f44c2 | Iustin Pop | parser.add_option("--os-size", dest="os_size", help="Disk size", |
84 | 175f44c2 | Iustin Pop | default=4 * 1024, type="unit", metavar="<size>") |
85 | 175f44c2 | Iustin Pop | parser.add_option("--swap-size", dest="swap_size", help="Swap size", |
86 | 175f44c2 | Iustin Pop | default=4 * 1024, type="unit", metavar="<size>") |
87 | 175f44c2 | Iustin Pop | parser.add_option("-v", "--verbose", |
88 | 175f44c2 | Iustin Pop | action="store_true", dest="verbose", default=False, |
89 | 175f44c2 | Iustin Pop | help="print command execution messages to stdout") |
90 | 175f44c2 | Iustin Pop | parser.add_option("--no-replace1", dest="do_replace1", |
91 | 175f44c2 | Iustin Pop | help="Skip disk replacement with the same secondary", |
92 | 175f44c2 | Iustin Pop | action="store_false", default=True) |
93 | 175f44c2 | Iustin Pop | parser.add_option("--no-replace2", dest="do_replace2", |
94 | 175f44c2 | Iustin Pop | help="Skip disk replacement with a different secondary", |
95 | 175f44c2 | Iustin Pop | action="store_false", default=True) |
96 | 175f44c2 | Iustin Pop | parser.add_option("--no-failover", dest="do_failover", |
97 | 175f44c2 | Iustin Pop | help="Skip instance failovers", action="store_false", |
98 | 175f44c2 | Iustin Pop | default=True) |
99 | 175f44c2 | Iustin Pop | parser.add_option("-t", "--disk-template", dest="disk_template", |
100 | 175f44c2 | Iustin Pop | choices=("remote_raid1", "drbd8"), |
101 | 175f44c2 | Iustin Pop | default="remote_raid1", |
102 | 175f44c2 | Iustin Pop | help="Template type for network mirroring (remote_raid1" |
103 | 175f44c2 | Iustin Pop | " or drbd8) [remote_raid1]") |
104 | 175f44c2 | Iustin Pop | parser.add_option("-n", "--nodes", dest="nodes", default="", |
105 | 175f44c2 | Iustin Pop | help="Comma separated list of nodes to perform" |
106 | 175f44c2 | Iustin Pop | " the burnin on (defaults to all nodes)") |
107 | 175f44c2 | Iustin Pop | |
108 | 175f44c2 | Iustin Pop | options, args = parser.parse_args() |
109 | 175f44c2 | Iustin Pop | if len(args) < 1 or options.os is None: |
110 | 175f44c2 | Iustin Pop | Usage() |
111 | 175f44c2 | Iustin Pop | |
112 | 175f44c2 | Iustin Pop | if options.disk_template == "plain": |
113 | 175f44c2 | Iustin Pop | disk_template = constants.DT_PLAIN |
114 | 175f44c2 | Iustin Pop | elif options.disk_template == "remote_raid1": |
115 | 175f44c2 | Iustin Pop | disk_template = constants.DT_REMOTE_RAID1 |
116 | 175f44c2 | Iustin Pop | elif options.disk_template == "drbd8": |
117 | 175f44c2 | Iustin Pop | disk_template = constants.DT_DRBD8 |
118 | 175f44c2 | Iustin Pop | else: |
119 | 21546b1c | Iustin Pop | Log("Unknown disk template '%s'" % options.disk_template) |
120 | 175f44c2 | Iustin Pop | sys.exit(1) |
121 | 175f44c2 | Iustin Pop | |
122 | 175f44c2 | Iustin Pop | options.disk_template = disk_template |
123 | 175f44c2 | Iustin Pop | self.opts = options |
124 | 175f44c2 | Iustin Pop | self.instances = args |
125 | 175f44c2 | Iustin Pop | |
126 | 175f44c2 | Iustin Pop | def GetState(self): |
127 | 175f44c2 | Iustin Pop | """Read the cluster state from the config.""" |
128 | 175f44c2 | Iustin Pop | if self.opts.nodes: |
129 | 175f44c2 | Iustin Pop | names = self.opts.nodes.split(",") |
130 | 175f44c2 | Iustin Pop | else: |
131 | 175f44c2 | Iustin Pop | names = [] |
132 | 175f44c2 | Iustin Pop | try: |
133 | 175f44c2 | Iustin Pop | op = opcodes.OpQueryNodes(output_fields=["name"], names=names) |
134 | 21546b1c | Iustin Pop | result = self.ExecOp(op) |
135 | 175f44c2 | Iustin Pop | except errors.GenericError, err: |
136 | 175f44c2 | Iustin Pop | err_code, msg = cli.FormatError(err) |
137 | 21546b1c | Iustin Pop | Log(msg) |
138 | 175f44c2 | Iustin Pop | sys.exit(err_code) |
139 | 175f44c2 | Iustin Pop | self.nodes = [data[0] for data in result] |
140 | 175f44c2 | Iustin Pop | |
141 | 21546b1c | Iustin Pop | result = self.ExecOp(opcodes.OpDiagnoseOS()) |
142 | 175f44c2 | Iustin Pop | |
143 | 175f44c2 | Iustin Pop | if not result: |
144 | 21546b1c | Iustin Pop | Log("Can't get the OS list") |
145 | 175f44c2 | Iustin Pop | sys.exit(1) |
146 | 175f44c2 | Iustin Pop | |
147 | 175f44c2 | Iustin Pop | # filter non-valid OS-es |
148 | 175f44c2 | Iustin Pop | oses = {} |
149 | 175f44c2 | Iustin Pop | for node_name in result: |
150 | 175f44c2 | Iustin Pop | oses[node_name] = [obj for obj in result[node_name] if obj] |
151 | 175f44c2 | Iustin Pop | |
152 | 175f44c2 | Iustin Pop | fnode = oses.keys()[0] |
153 | 175f44c2 | Iustin Pop | os_set = set([os_inst.name for os_inst in oses[fnode]]) |
154 | 175f44c2 | Iustin Pop | del oses[fnode] |
155 | 175f44c2 | Iustin Pop | for node in oses: |
156 | 175f44c2 | Iustin Pop | os_set &= set([os_inst.name for os_inst in oses[node]]) |
157 | 175f44c2 | Iustin Pop | |
158 | 175f44c2 | Iustin Pop | if self.opts.os not in os_set: |
159 | 21546b1c | Iustin Pop | Log("OS '%s' not found" % self.opts.os) |
160 | 175f44c2 | Iustin Pop | sys.exit(1) |
161 | 175f44c2 | Iustin Pop | |
162 | 175f44c2 | Iustin Pop | def CreateInstances(self): |
163 | 175f44c2 | Iustin Pop | """Create the given instances. |
164 | 175f44c2 | Iustin Pop | |
165 | 175f44c2 | Iustin Pop | """ |
166 | 175f44c2 | Iustin Pop | self.to_rem = [] |
167 | 175f44c2 | Iustin Pop | mytor = izip(cycle(self.nodes), |
168 | 175f44c2 | Iustin Pop | islice(cycle(self.nodes), 1, None), |
169 | 175f44c2 | Iustin Pop | self.instances) |
170 | 175f44c2 | Iustin Pop | for pnode, snode, instance in mytor: |
171 | 175f44c2 | Iustin Pop | op = opcodes.OpCreateInstance(instance_name=instance, |
172 | 175f44c2 | Iustin Pop | mem_size=128, |
173 | 175f44c2 | Iustin Pop | disk_size=self.opts.os_size, |
174 | 175f44c2 | Iustin Pop | swap_size=self.opts.swap_size, |
175 | 175f44c2 | Iustin Pop | disk_template=self.opts.disk_template, |
176 | a8083063 | Iustin Pop | mode=constants.INSTANCE_CREATE, |
177 | 175f44c2 | Iustin Pop | os_type=self.opts.os, |
178 | 175f44c2 | Iustin Pop | pnode=pnode, |
179 | 175f44c2 | Iustin Pop | snode=snode, |
180 | 175f44c2 | Iustin Pop | vcpus=1, |
181 | a8083063 | Iustin Pop | start=True, |
182 | e9f745aa | Iustin Pop | ip_check=True, |
183 | a8083063 | Iustin Pop | wait_for_sync=True) |
184 | 21546b1c | Iustin Pop | Log("- Add instance %s on node %s" % (instance, pnode)) |
185 | 21546b1c | Iustin Pop | self.ExecOp(op) |
186 | 175f44c2 | Iustin Pop | self.to_rem.append(instance) |
187 | 175f44c2 | Iustin Pop | |
188 | 175f44c2 | Iustin Pop | def ReplaceDisks1R1(self): |
189 | 175f44c2 | Iustin Pop | """Replace disks with the same secondary for rr1.""" |
190 | 175f44c2 | Iustin Pop | # replace all, both disks |
191 | 175f44c2 | Iustin Pop | for instance in self.instances: |
192 | 175f44c2 | Iustin Pop | op = opcodes.OpReplaceDisks(instance_name=instance, |
193 | 175f44c2 | Iustin Pop | remote_node=None, |
194 | 175f44c2 | Iustin Pop | mode=constants.REPLACE_DISK_ALL, |
195 | 175f44c2 | Iustin Pop | disks=["sda", "sdb"]) |
196 | 175f44c2 | Iustin Pop | |
197 | 21546b1c | Iustin Pop | Log("- Replace disks for instance %s" % (instance)) |
198 | 21546b1c | Iustin Pop | self.ExecOp(op) |
199 | 175f44c2 | Iustin Pop | |
200 | 175f44c2 | Iustin Pop | def ReplaceDisks1D8(self): |
201 | 175f44c2 | Iustin Pop | """Replace disks on primary and secondary for drbd8.""" |
202 | 175f44c2 | Iustin Pop | for instance in self.instances: |
203 | 175f44c2 | Iustin Pop | for mode in constants.REPLACE_DISK_SEC, constants.REPLACE_DISK_PRI: |
204 | 175f44c2 | Iustin Pop | op = opcodes.OpReplaceDisks(instance_name=instance, |
205 | 175f44c2 | Iustin Pop | mode=mode, |
206 | 175f44c2 | Iustin Pop | disks=["sda", "sdb"]) |
207 | 21546b1c | Iustin Pop | Log("- Replace disks (%s) for instance %s" % (mode, instance)) |
208 | 21546b1c | Iustin Pop | self.ExecOp(op) |
209 | 175f44c2 | Iustin Pop | |
210 | 175f44c2 | Iustin Pop | def ReplaceDisks2(self): |
211 | 175f44c2 | Iustin Pop | """Replace secondary node.""" |
212 | 175f44c2 | Iustin Pop | if self.opts.disk_template == constants.DT_REMOTE_RAID1: |
213 | 175f44c2 | Iustin Pop | mode = constants.REPLACE_DISK_ALL |
214 | 175f44c2 | Iustin Pop | else: |
215 | 175f44c2 | Iustin Pop | mode = constants.REPLACE_DISK_SEC |
216 | 175f44c2 | Iustin Pop | |
217 | 175f44c2 | Iustin Pop | mytor = izip(islice(cycle(self.nodes), 2, None), |
218 | 175f44c2 | Iustin Pop | self.instances) |
219 | 175f44c2 | Iustin Pop | for tnode, instance in mytor: |
220 | 175f44c2 | Iustin Pop | op = opcodes.OpReplaceDisks(instance_name=instance, |
221 | 175f44c2 | Iustin Pop | mode=mode, |
222 | 175f44c2 | Iustin Pop | remote_node=tnode, |
223 | 175f44c2 | Iustin Pop | disks=["sda", "sdb"]) |
224 | 21546b1c | Iustin Pop | Log("- Replace secondary (%s) for instance %s" % (mode, instance)) |
225 | 21546b1c | Iustin Pop | self.ExecOp(op) |
226 | 175f44c2 | Iustin Pop | |
227 | 175f44c2 | Iustin Pop | def Failover(self): |
228 | 175f44c2 | Iustin Pop | """Failover the instances.""" |
229 | 175f44c2 | Iustin Pop | |
230 | 175f44c2 | Iustin Pop | for instance in self.instances: |
231 | 175f44c2 | Iustin Pop | op = opcodes.OpFailoverInstance(instance_name=instance, |
232 | 175f44c2 | Iustin Pop | ignore_consistency=False) |
233 | 175f44c2 | Iustin Pop | |
234 | 21546b1c | Iustin Pop | Log("- Failover instance %s" % (instance)) |
235 | 21546b1c | Iustin Pop | self.ExecOp(op) |
236 | 175f44c2 | Iustin Pop | |
237 | 175f44c2 | Iustin Pop | def StopStart(self): |
238 | 175f44c2 | Iustin Pop | """Stop/start the instances.""" |
239 | 175f44c2 | Iustin Pop | for instance in self.instances: |
240 | 175f44c2 | Iustin Pop | op = opcodes.OpShutdownInstance(instance_name=instance) |
241 | 21546b1c | Iustin Pop | Log("- Shutdown instance %s" % instance) |
242 | 21546b1c | Iustin Pop | self.ExecOp(op) |
243 | 175f44c2 | Iustin Pop | op = opcodes.OpStartupInstance(instance_name=instance, force=False) |
244 | 21546b1c | Iustin Pop | Log("- Start instance %s" % instance) |
245 | 21546b1c | Iustin Pop | self.ExecOp(op) |
246 | 175f44c2 | Iustin Pop | |
247 | 175f44c2 | Iustin Pop | def Remove(self): |
248 | 175f44c2 | Iustin Pop | """Remove the instances.""" |
249 | 175f44c2 | Iustin Pop | for instance in self.to_rem: |
250 | 175f44c2 | Iustin Pop | op = opcodes.OpRemoveInstance(instance_name=instance) |
251 | 21546b1c | Iustin Pop | Log("- Remove instance %s" % instance) |
252 | 21546b1c | Iustin Pop | self.ExecOp(op) |
253 | 175f44c2 | Iustin Pop | |
254 | 175f44c2 | Iustin Pop | def BurninCluster(self): |
255 | 175f44c2 | Iustin Pop | """Test a cluster intensively. |
256 | 175f44c2 | Iustin Pop | |
257 | 175f44c2 | Iustin Pop | This will create instances and then start/stop/failover them. |
258 | 175f44c2 | Iustin Pop | It is safe for existing instances but could impact performance. |
259 | 175f44c2 | Iustin Pop | |
260 | 175f44c2 | Iustin Pop | """ |
261 | 175f44c2 | Iustin Pop | |
262 | 175f44c2 | Iustin Pop | opts = self.opts |
263 | 175f44c2 | Iustin Pop | |
264 | 21546b1c | Iustin Pop | Log("- Testing global parameters") |
265 | 175f44c2 | Iustin Pop | |
266 | 175f44c2 | Iustin Pop | if len(self.nodes) == 1 and opts.disk_template != constants.DT_PLAIN: |
267 | 21546b1c | Iustin Pop | Log("When one node is available/selected the disk template must" |
268 | 175f44c2 | Iustin Pop | " be 'plain'") |
269 | 175f44c2 | Iustin Pop | sys.exit(1) |
270 | 175f44c2 | Iustin Pop | |
271 | 21546b1c | Iustin Pop | has_err = True |
272 | 175f44c2 | Iustin Pop | try: |
273 | 175f44c2 | Iustin Pop | self.CreateInstances() |
274 | 175f44c2 | Iustin Pop | if opts.do_replace1 and opts.disk_template in constants.DTS_NET_MIRROR: |
275 | 175f44c2 | Iustin Pop | if opts.disk_template == constants.DT_REMOTE_RAID1: |
276 | 175f44c2 | Iustin Pop | self.ReplaceDisks1R1() |
277 | 175f44c2 | Iustin Pop | elif opts.disk_template == constants.DT_DRBD8: |
278 | 175f44c2 | Iustin Pop | self.ReplaceDisks1D8() |
279 | 175f44c2 | Iustin Pop | if (opts.do_replace2 and len(self.nodes) > 2 and |
280 | 175f44c2 | Iustin Pop | opts.disk_template in constants.DTS_NET_MIRROR) : |
281 | 175f44c2 | Iustin Pop | self.ReplaceDisks2() |
282 | 175f44c2 | Iustin Pop | |
283 | 175f44c2 | Iustin Pop | if opts.do_failover and opts.disk_template in constants.DTS_NET_MIRROR: |
284 | 175f44c2 | Iustin Pop | self.Failover() |
285 | 175f44c2 | Iustin Pop | |
286 | 175f44c2 | Iustin Pop | self.StopStart() |
287 | 21546b1c | Iustin Pop | has_err = False |
288 | 175f44c2 | Iustin Pop | finally: |
289 | 21546b1c | Iustin Pop | if has_err: |
290 | 21546b1c | Iustin Pop | Log("Error detected: opcode buffer follows:\n\n") |
291 | 21546b1c | Iustin Pop | Log(self.GetFeedbackBuf()) |
292 | 21546b1c | Iustin Pop | Log("\n\n") |
293 | 175f44c2 | Iustin Pop | self.Remove() |
294 | 175f44c2 | Iustin Pop | |
295 | 175f44c2 | Iustin Pop | return 0 |
296 | a8083063 | Iustin Pop | |
297 | a8083063 | Iustin Pop | def main(): |
298 | 3ecf6786 | Iustin Pop | """Main function""" |
299 | 3ecf6786 | Iustin Pop | |
300 | 175f44c2 | Iustin Pop | burner = Burner() |
301 | 3ecf6786 | Iustin Pop | try: |
302 | 3ecf6786 | Iustin Pop | utils.Lock('cmd', max_retries=15, debug=True) |
303 | 3ecf6786 | Iustin Pop | except errors.LockError, err: |
304 | 3ecf6786 | Iustin Pop | logger.ToStderr(str(err)) |
305 | 3ecf6786 | Iustin Pop | return 1 |
306 | 3ecf6786 | Iustin Pop | try: |
307 | 175f44c2 | Iustin Pop | retval = burner.BurninCluster() |
308 | 3ecf6786 | Iustin Pop | finally: |
309 | 3ecf6786 | Iustin Pop | utils.Unlock('cmd') |
310 | 3ecf6786 | Iustin Pop | utils.LockCleanup() |
311 | 3ecf6786 | Iustin Pop | return retval |
312 | a8083063 | Iustin Pop | |
313 | a8083063 | Iustin Pop | if __name__ == "__main__": |
314 | 3ecf6786 | Iustin Pop | main() |