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Commit | Line | Data |
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c0bbd038 DM |
1 | package PVE::HA::Manager; |
2 | ||
3 | use strict; | |
4 | use warnings; | |
c4a221bc | 5 | use Digest::MD5 qw(md5_base64); |
c0bbd038 DM |
6 | |
7 | use Data::Dumper; | |
c142ebc9 | 8 | use PVE::Tools; |
c0bbd038 DM |
9 | use PVE::HA::NodeStatus; |
10 | ||
ceac1930 | 11 | my $fence_delay = 60; |
5385a606 | 12 | |
c0bbd038 | 13 | sub new { |
8f0bb968 | 14 | my ($this, $haenv) = @_; |
c0bbd038 DM |
15 | |
16 | my $class = ref($this) || $this; | |
17 | ||
8f0bb968 DM |
18 | my $ms = $haenv->read_manager_status(); |
19 | ||
20 | $ms->{master_node} = $haenv->nodename(); | |
21 | ||
22 | my $ns = PVE::HA::NodeStatus->new($haenv, $ms->{node_status} || {}); | |
23 | ||
59fd7207 DM |
24 | # fixme: use separate class PVE::HA::ServiceStatus |
25 | my $ss = $ms->{service_status} || {}; | |
26 | ||
c0bbd038 | 27 | my $self = bless { |
8f0bb968 DM |
28 | haenv => $haenv, |
29 | ms => $ms, # master status | |
30 | ns => $ns, # PVE::HA::NodeStatus | |
59fd7207 | 31 | ss => $ss, # service status |
c0bbd038 DM |
32 | }, $class; |
33 | ||
34 | return $self; | |
35 | } | |
36 | ||
d84da043 DM |
37 | sub cleanup { |
38 | my ($self) = @_; | |
39 | ||
40 | # todo: ? | |
41 | } | |
42 | ||
8f0bb968 | 43 | sub flush_master_status { |
c0bbd038 DM |
44 | my ($self) = @_; |
45 | ||
59fd7207 | 46 | my ($haenv, $ms, $ns, $ss) = ($self->{haenv}, $self->{ms}, $self->{ns}, $self->{ss}); |
c0bbd038 | 47 | |
8f0bb968 | 48 | $ms->{node_status} = $ns->{status}; |
59fd7207 DM |
49 | $ms->{service_status} = $ss; |
50 | ||
8f0bb968 DM |
51 | $haenv->write_manager_status($ms); |
52 | } | |
c0bbd038 | 53 | |
f7ccd1b3 | 54 | sub select_service_node { |
270d4406 | 55 | my ($groups, $online_node_usage, $service_conf, $current_node, $try_next) = @_; |
f7ccd1b3 | 56 | |
abc920b4 DM |
57 | my $group = { 'nodes' => $service_conf->{node} }; # default group |
58 | ||
270d4406 DM |
59 | $group = $groups->{ids}->{$service_conf->{group}} if $service_conf->{group} && |
60 | $groups->{ids}->{$service_conf->{group}}; | |
abc920b4 DM |
61 | |
62 | my $pri_groups = {}; | |
63 | my $group_members = {}; | |
64 | foreach my $entry (PVE::Tools::split_list($group->{nodes})) { | |
65 | my ($node, $pri) = ($entry, 0); | |
66 | if ($entry =~ m/^(\S+):(\d+)$/) { | |
67 | ($node, $pri) = ($1, $2); | |
68 | } | |
270d4406 | 69 | next if !defined($online_node_usage->{$node}); # offline |
abc920b4 DM |
70 | $pri_groups->{$pri}->{$node} = 1; |
71 | $group_members->{$node} = $pri; | |
72 | } | |
f7ccd1b3 | 73 | |
270d4406 | 74 | |
abc920b4 DM |
75 | # add non-group members to unrestricted groups (priority -1) |
76 | if (!$group->{restricted}) { | |
77 | my $pri = -1; | |
270d4406 | 78 | foreach my $node (keys %$online_node_usage) { |
abc920b4 DM |
79 | next if defined($group_members->{$node}); |
80 | $pri_groups->{$pri}->{$node} = 1; | |
81 | $group_members->{$node} = -1; | |
82 | } | |
83 | } | |
84 | ||
270d4406 | 85 | |
abc920b4 DM |
86 | my @pri_list = sort {$b <=> $a} keys %$pri_groups; |
87 | return undef if !scalar(@pri_list); | |
270d4406 | 88 | |
abc920b4 DM |
89 | if (!$try_next && $group->{nofailback} && defined($group_members->{$current_node})) { |
90 | return $current_node; | |
91 | } | |
92 | ||
93 | # select node from top priority node list | |
94 | ||
95 | my $top_pri = $pri_list[0]; | |
96 | ||
c142ebc9 DM |
97 | my @nodes = sort { |
98 | $online_node_usage->{$a} <=> $online_node_usage->{$b} || $a cmp $b | |
99 | } keys %{$pri_groups->{$top_pri}}; | |
abc920b4 DM |
100 | |
101 | my $found; | |
102 | for (my $i = scalar(@nodes) - 1; $i >= 0; $i--) { | |
103 | my $node = $nodes[$i]; | |
104 | if ($node eq $current_node) { | |
105 | $found = $i; | |
106 | last; | |
107 | } | |
108 | } | |
109 | ||
abc920b4 DM |
110 | if ($try_next) { |
111 | ||
112 | if (defined($found) && ($found < (scalar(@nodes) - 1))) { | |
113 | return $nodes[$found + 1]; | |
114 | } else { | |
115 | return $nodes[0]; | |
116 | } | |
117 | ||
118 | } else { | |
119 | ||
120 | return $nodes[$found] if defined($found); | |
121 | ||
122 | return $nodes[0]; | |
123 | ||
124 | } | |
f7ccd1b3 DM |
125 | } |
126 | ||
c4a221bc DM |
127 | my $uid_counter = 0; |
128 | ||
d55aa611 DM |
129 | sub compute_new_uuid { |
130 | my ($state) = @_; | |
131 | ||
132 | $uid_counter++; | |
133 | return md5_base64($state . $$ . time() . $uid_counter); | |
134 | } | |
135 | ||
618fbeda DM |
136 | my $valid_service_states = { |
137 | stopped => 1, | |
138 | request_stop => 1, | |
139 | started => 1, | |
140 | fence => 1, | |
141 | migrate => 1, | |
b0fdf86a | 142 | relocate => 1, |
618fbeda DM |
143 | error => 1, |
144 | }; | |
145 | ||
270d4406 DM |
146 | sub recompute_online_node_usage { |
147 | my ($self) = @_; | |
148 | ||
149 | my $online_node_usage = {}; | |
150 | ||
151 | my $online_nodes = $self->{ns}->list_online_nodes(); | |
152 | ||
153 | foreach my $node (@$online_nodes) { | |
154 | $online_node_usage->{$node} = 0; | |
155 | } | |
156 | ||
157 | foreach my $sid (keys %{$self->{ss}}) { | |
158 | my $sd = $self->{ss}->{$sid}; | |
159 | my $state = $sd->{state}; | |
160 | if (defined($online_node_usage->{$sd->{node}})) { | |
161 | if (($state eq 'started') || ($state eq 'request_stop') || | |
162 | ($state eq 'fence') || ($state eq 'error')) { | |
163 | $online_node_usage->{$sd->{node}}++; | |
164 | } elsif (($state eq 'migrate') || ($state eq 'relocate')) { | |
165 | $online_node_usage->{$sd->{target}}++; | |
166 | } elsif ($state eq 'stopped') { | |
167 | # do nothing | |
168 | } else { | |
169 | die "should not be reached"; | |
170 | } | |
171 | } | |
172 | } | |
173 | ||
174 | $self->{online_node_usage} = $online_node_usage; | |
175 | } | |
176 | ||
4e01bc86 DM |
177 | my $change_service_state = sub { |
178 | my ($self, $sid, $new_state, %params) = @_; | |
179 | ||
180 | my ($haenv, $ss) = ($self->{haenv}, $self->{ss}); | |
181 | ||
182 | my $sd = $ss->{$sid} || die "no such service '$sid"; | |
183 | ||
184 | my $old_state = $sd->{state}; | |
e4ffb299 | 185 | my $old_node = $sd->{node}; |
4e01bc86 DM |
186 | |
187 | die "no state change" if $old_state eq $new_state; # just to be sure | |
188 | ||
618fbeda DM |
189 | die "invalid CRM service state '$new_state'\n" if !$valid_service_states->{$new_state}; |
190 | ||
e4ffb299 DM |
191 | foreach my $k (keys %$sd) { delete $sd->{$k}; }; |
192 | ||
193 | $sd->{state} = $new_state; | |
194 | $sd->{node} = $old_node; | |
195 | ||
196 | my $text_state = ''; | |
4e01bc86 DM |
197 | foreach my $k (keys %params) { |
198 | my $v = $params{$k}; | |
e4ffb299 DM |
199 | $text_state .= ", " if $text_state; |
200 | $text_state .= "$k = $v"; | |
4e01bc86 DM |
201 | $sd->{$k} = $v; |
202 | } | |
270d4406 DM |
203 | |
204 | $self->recompute_online_node_usage(); | |
205 | ||
d55aa611 DM |
206 | $sd->{uid} = compute_new_uuid($new_state); |
207 | ||
4e01bc86 | 208 | |
e4ffb299 | 209 | $text_state = " ($text_state)" if $text_state; |
e5986717 | 210 | $haenv->log('info', "service '$sid': state changed from '${old_state}' to '${new_state}' $text_state"); |
4e01bc86 DM |
211 | }; |
212 | ||
332170bd | 213 | # read LRM status for all active nodes |
c4a221bc | 214 | sub read_lrm_status { |
332170bd | 215 | my ($self) = @_; |
c4a221bc | 216 | |
332170bd | 217 | my $nodes = $self->{ns}->list_online_nodes(); |
c4a221bc DM |
218 | my $haenv = $self->{haenv}; |
219 | ||
220 | my $res = {}; | |
221 | ||
332170bd | 222 | foreach my $node (@$nodes) { |
c4a221bc DM |
223 | my $ls = $haenv->read_lrm_status($node); |
224 | foreach my $uid (keys %$ls) { | |
225 | next if $res->{$uid}; # should not happen | |
226 | $res->{$uid} = $ls->{$uid}; | |
227 | } | |
228 | } | |
229 | ||
230 | return $res; | |
231 | } | |
232 | ||
aa98a844 DM |
233 | # read new crm commands and save them into crm master status |
234 | sub update_crm_commands { | |
235 | my ($self) = @_; | |
236 | ||
237 | my ($haenv, $ms, $ns, $ss) = ($self->{haenv}, $self->{ms}, $self->{ns}, $self->{ss}); | |
238 | ||
239 | my $cmdlist = $haenv->read_crm_commands(); | |
240 | ||
241 | foreach my $cmd (split(/\n/, $cmdlist)) { | |
242 | chomp $cmd; | |
243 | ||
b0fdf86a DM |
244 | if ($cmd =~ m/^(migrate|relocate)\s+(\S+)\s+(\S+)$/) { |
245 | my ($task, $sid, $node) = ($1, $2, $3); | |
aa98a844 DM |
246 | if (my $sd = $ss->{$sid}) { |
247 | if (!$ns->node_is_online($node)) { | |
248 | $haenv->log('err', "crm command error - node not online: $cmd"); | |
249 | } else { | |
250 | if ($node eq $sd->{node}) { | |
251 | $haenv->log('info', "ignore crm command - service already on target node: $cmd"); | |
252 | } else { | |
253 | $haenv->log('info', "got crm command: $cmd"); | |
b0fdf86a | 254 | $ss->{$sid}->{cmd} = [ $task, $node]; |
aa98a844 DM |
255 | } |
256 | } | |
257 | } else { | |
258 | $haenv->log('err', "crm command error - no such service: $cmd"); | |
259 | } | |
260 | ||
261 | } else { | |
262 | $haenv->log('err', "unable to parse crm command: $cmd"); | |
263 | } | |
264 | } | |
265 | ||
266 | } | |
267 | ||
8f0bb968 DM |
268 | sub manage { |
269 | my ($self) = @_; | |
c0bbd038 | 270 | |
59fd7207 | 271 | my ($haenv, $ms, $ns, $ss) = ($self->{haenv}, $self->{ms}, $self->{ns}, $self->{ss}); |
c0bbd038 | 272 | |
332170bd | 273 | $ns->update($haenv->get_node_info()); |
c79442f2 DM |
274 | |
275 | if (!$ns->node_is_online($haenv->nodename())) { | |
e5986717 | 276 | $haenv->log('info', "master seems offline"); |
c79442f2 DM |
277 | return; |
278 | } | |
279 | ||
332170bd | 280 | my $lrm_status = $self->read_lrm_status(); |
c4a221bc | 281 | |
f7ccd1b3 DM |
282 | my $sc = $haenv->read_service_config(); |
283 | ||
abc920b4 DM |
284 | $self->{groups} = $haenv->read_group_config(); # update |
285 | ||
f7ccd1b3 DM |
286 | # compute new service status |
287 | ||
288 | # add new service | |
cc32a8f3 | 289 | foreach my $sid (sort keys %$sc) { |
f7ccd1b3 | 290 | next if $ss->{$sid}; # already there |
cc32a8f3 | 291 | $haenv->log('info', "adding new service '$sid' on node '$sc->{$sid}->{node}'"); |
f7ccd1b3 | 292 | # assume we are running to avoid relocate running service at add |
d55aa611 DM |
293 | $ss->{$sid} = { state => 'started', node => $sc->{$sid}->{node}, |
294 | uid => compute_new_uuid('started') }; | |
f7ccd1b3 DM |
295 | } |
296 | ||
4e5764af DM |
297 | # remove stale service from manager state |
298 | foreach my $sid (keys %$ss) { | |
299 | next if $sc->{$sid}; | |
300 | $haenv->log('info', "removing stale service '$sid' (no config)"); | |
301 | delete $ss->{$sid}; | |
302 | } | |
303 | ||
aa98a844 DM |
304 | $self->update_crm_commands(); |
305 | ||
c79442f2 DM |
306 | for (;;) { |
307 | my $repeat = 0; | |
270d4406 DM |
308 | |
309 | $self->recompute_online_node_usage(); | |
f7ccd1b3 | 310 | |
c79442f2 DM |
311 | foreach my $sid (keys %$ss) { |
312 | my $sd = $ss->{$sid}; | |
313 | my $cd = $sc->{$sid} || { state => 'disabled' }; | |
f7ccd1b3 | 314 | |
a875fbe8 DM |
315 | my $lrm_res = $sd->{uid} ? $lrm_status->{$sd->{uid}} : undef; |
316 | ||
c79442f2 DM |
317 | my $last_state = $sd->{state}; |
318 | ||
319 | if ($last_state eq 'stopped') { | |
320 | ||
abc920b4 | 321 | $self->next_state_stopped($sid, $cd, $sd, $lrm_res); |
f7ccd1b3 | 322 | |
c79442f2 | 323 | } elsif ($last_state eq 'started') { |
f7ccd1b3 | 324 | |
abc920b4 | 325 | $self->next_state_started($sid, $cd, $sd, $lrm_res); |
f7ccd1b3 | 326 | |
b0fdf86a | 327 | } elsif ($last_state eq 'migrate' || $last_state eq 'relocate') { |
f7ccd1b3 | 328 | |
8aaa0e36 | 329 | $self->next_state_migrate_relocate($sid, $cd, $sd, $lrm_res); |
f7ccd1b3 | 330 | |
c79442f2 | 331 | } elsif ($last_state eq 'fence') { |
f7ccd1b3 | 332 | |
21e37ed4 | 333 | # do nothing here - wait until fenced |
f7ccd1b3 | 334 | |
c79442f2 | 335 | } elsif ($last_state eq 'request_stop') { |
f7ccd1b3 | 336 | |
0df5b3dd | 337 | $self->next_state_request_stop($sid, $cd, $sd, $lrm_res); |
618fbeda | 338 | |
e88469ba DM |
339 | } elsif ($last_state eq 'error') { |
340 | ||
341 | # fixme: | |
342 | ||
a875fbe8 DM |
343 | } else { |
344 | ||
345 | die "unknown service state '$last_state'"; | |
618fbeda | 346 | } |
21e37ed4 | 347 | |
c79442f2 | 348 | $repeat = 1 if $sd->{state} ne $last_state; |
f7ccd1b3 DM |
349 | } |
350 | ||
21e37ed4 DM |
351 | # handle fencing |
352 | my $fenced_nodes = {}; | |
353 | foreach my $sid (keys %$ss) { | |
354 | my $sd = $ss->{$sid}; | |
355 | next if $sd->{state} ne 'fence'; | |
356 | ||
357 | if (!defined($fenced_nodes->{$sd->{node}})) { | |
358 | $fenced_nodes->{$sd->{node}} = $ns->fence_node($sd->{node}) || 0; | |
359 | } | |
360 | ||
361 | next if !$fenced_nodes->{$sd->{node}}; | |
362 | ||
363 | # node fence was sucessful - mark service as stopped | |
364 | &$change_service_state($self, $sid, 'stopped'); | |
365 | } | |
366 | ||
c79442f2 | 367 | last if !$repeat; |
f7ccd1b3 | 368 | } |
f7ccd1b3 | 369 | |
8f0bb968 | 370 | $self->flush_master_status(); |
c0bbd038 DM |
371 | } |
372 | ||
a875fbe8 DM |
373 | # functions to compute next service states |
374 | # $cd: service configuration data (read only) | |
375 | # $sd: service status data (read only) | |
376 | # | |
377 | # Note: use change_service_state() to alter state | |
378 | # | |
379 | ||
0df5b3dd DM |
380 | sub next_state_request_stop { |
381 | my ($self, $sid, $cd, $sd, $lrm_res) = @_; | |
382 | ||
383 | my $haenv = $self->{haenv}; | |
384 | my $ns = $self->{ns}; | |
385 | ||
386 | # check result from LRM daemon | |
387 | if ($lrm_res) { | |
388 | my $exit_code = $lrm_res->{exit_code}; | |
389 | if ($exit_code == 0) { | |
390 | &$change_service_state($self, $sid, 'stopped'); | |
391 | return; | |
392 | } else { | |
393 | &$change_service_state($self, $sid, 'error'); # fixme: what state? | |
394 | return; | |
395 | } | |
396 | } | |
397 | ||
5385a606 | 398 | if ($ns->node_is_offline_delayed($sd->{node}, $fence_delay)) { |
0df5b3dd DM |
399 | &$change_service_state($self, $sid, 'fence'); |
400 | return; | |
401 | } | |
402 | } | |
403 | ||
8aaa0e36 DM |
404 | sub next_state_migrate_relocate { |
405 | my ($self, $sid, $cd, $sd, $lrm_res) = @_; | |
406 | ||
407 | my $haenv = $self->{haenv}; | |
408 | my $ns = $self->{ns}; | |
409 | ||
410 | # check result from LRM daemon | |
411 | if ($lrm_res) { | |
412 | my $exit_code = $lrm_res->{exit_code}; | |
413 | if ($exit_code == 0) { | |
414 | &$change_service_state($self, $sid, 'started', node => $sd->{target}); | |
415 | return; | |
416 | } else { | |
417 | $haenv->log('err', "service '$sid' - migration failed (exit code $exit_code)"); | |
418 | &$change_service_state($self, $sid, 'started', node => $sd->{node}); | |
419 | return; | |
420 | } | |
421 | } | |
422 | ||
5385a606 | 423 | if ($ns->node_is_offline_delayed($sd->{node}, $fence_delay)) { |
8aaa0e36 DM |
424 | &$change_service_state($self, $sid, 'fence'); |
425 | return; | |
426 | } | |
427 | } | |
428 | ||
429 | ||
a875fbe8 | 430 | sub next_state_stopped { |
abc920b4 | 431 | my ($self, $sid, $cd, $sd, $lrm_res) = @_; |
a875fbe8 DM |
432 | |
433 | my $haenv = $self->{haenv}; | |
e88469ba | 434 | my $ns = $self->{ns}; |
a875fbe8 | 435 | |
ff6f1c5c DM |
436 | if ($sd->{node} ne $cd->{node}) { |
437 | # this can happen if we fence a node with active migrations | |
438 | # hack: modify $sd (normally this should be considered read-only) | |
439 | $haenv->log('info', "fixup service '$sid' location ($sd->{node} => $cd->{node}"); | |
440 | $sd->{node} = $cd->{node}; | |
441 | } | |
442 | ||
94b7ebe2 DM |
443 | if ($sd->{cmd}) { |
444 | my ($cmd, $target) = @{$sd->{cmd}}; | |
445 | delete $sd->{cmd}; | |
446 | ||
b0fdf86a | 447 | if ($cmd eq 'migrate' || $cmd eq 'relocate') { |
94b7ebe2 | 448 | if (!$ns->node_is_online($target)) { |
b0fdf86a | 449 | $haenv->log('err', "ignore service '$sid' $cmd request - node '$target' not online"); |
e88469ba | 450 | } elsif ($sd->{node} eq $target) { |
b0fdf86a | 451 | $haenv->log('info', "ignore service '$sid' $cmd request - service already on node '$target'"); |
94b7ebe2 DM |
452 | } else { |
453 | $haenv->change_service_location($sid, $target); | |
454 | $cd->{node} = $sd->{node} = $target; # fixme: $sd is read-only??!! | |
b0fdf86a | 455 | $haenv->log('info', "$cmd service '$sid' to node '$target' (stopped)"); |
94b7ebe2 DM |
456 | } |
457 | } else { | |
458 | $haenv->log('err', "unknown command '$cmd' for service '$sid'"); | |
459 | } | |
460 | } | |
461 | ||
a875fbe8 DM |
462 | if ($cd->{state} eq 'disabled') { |
463 | # do nothing | |
e88469ba DM |
464 | return; |
465 | } | |
466 | ||
467 | if ($cd->{state} eq 'enabled') { | |
270d4406 | 468 | if (my $node = select_service_node($self->{groups}, $self->{online_node_usage}, $cd, $sd->{node})) { |
a875fbe8 DM |
469 | if ($node && ($sd->{node} ne $node)) { |
470 | $haenv->change_service_location($sid, $node); | |
471 | } | |
472 | &$change_service_state($self, $sid, 'started', node => $node); | |
473 | } else { | |
474 | # fixme: warn | |
475 | } | |
e88469ba DM |
476 | |
477 | return; | |
a875fbe8 | 478 | } |
e88469ba DM |
479 | |
480 | $haenv->log('err', "service '$sid' - unknown state '$cd->{state}' in service configuration"); | |
a875fbe8 DM |
481 | } |
482 | ||
483 | sub next_state_started { | |
abc920b4 | 484 | my ($self, $sid, $cd, $sd, $lrm_res) = @_; |
a875fbe8 DM |
485 | |
486 | my $haenv = $self->{haenv}; | |
487 | my $ns = $self->{ns}; | |
488 | ||
489 | if (!$ns->node_is_online($sd->{node})) { | |
5385a606 DM |
490 | if ($ns->node_is_offline_delayed($sd->{node}, $fence_delay)) { |
491 | &$change_service_state($self, $sid, 'fence'); | |
492 | } | |
e88469ba DM |
493 | return; |
494 | } | |
a875fbe8 | 495 | |
e88469ba DM |
496 | if ($cd->{state} eq 'disabled') { |
497 | &$change_service_state($self, $sid, 'request_stop'); | |
498 | return; | |
499 | } | |
500 | ||
501 | if ($cd->{state} eq 'enabled') { | |
e88469ba DM |
502 | |
503 | if ($sd->{cmd}) { | |
504 | my ($cmd, $target) = @{$sd->{cmd}}; | |
505 | delete $sd->{cmd}; | |
506 | ||
b0fdf86a | 507 | if ($cmd eq 'migrate' || $cmd eq 'relocate') { |
e88469ba | 508 | if (!$ns->node_is_online($target)) { |
b0fdf86a | 509 | $haenv->log('err', "ignore service '$sid' $cmd request - node '$target' not online"); |
e88469ba | 510 | } elsif ($sd->{node} eq $target) { |
b0fdf86a | 511 | $haenv->log('info', "ignore service '$sid' $cmd request - service already on node '$target'"); |
e88469ba | 512 | } else { |
b0fdf86a DM |
513 | $haenv->log('info', "$cmd service '$sid' to node '$target' (running)"); |
514 | &$change_service_state($self, $sid, $cmd, node => $sd->{node}, target => $target); | |
e88469ba | 515 | } |
a875fbe8 | 516 | } else { |
e88469ba | 517 | $haenv->log('err', "unknown command '$cmd' for service '$sid'"); |
a875fbe8 DM |
518 | } |
519 | } else { | |
b0fdf86a | 520 | |
abc920b4 DM |
521 | my $try_next = 0; |
522 | if ($lrm_res && ($lrm_res->{exit_code} != 0)) { # fixme: other exit codes? | |
523 | $try_next = 1; | |
524 | } | |
525 | ||
270d4406 DM |
526 | my $node = select_service_node($self->{groups}, $self->{online_node_usage}, |
527 | $cd, $sd->{node}, $try_next); | |
abc920b4 | 528 | |
b0fdf86a DM |
529 | if ($node && ($sd->{node} ne $node)) { |
530 | $haenv->log('info', "migrate service '$sid' to node '$node' (running)"); | |
531 | &$change_service_state($self, $sid, 'migrate', node => $sd->{node}, target => $node); | |
532 | } else { | |
533 | # do nothing | |
534 | } | |
a875fbe8 | 535 | } |
e88469ba DM |
536 | |
537 | return; | |
538 | } | |
539 | ||
540 | $haenv->log('err', "service '$sid' - unknown state '$cd->{state}' in service configuration"); | |
a875fbe8 | 541 | } |
c0bbd038 DM |
542 | |
543 | 1; |