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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 | 49 | $ms->{service_status} = $ss; |
d2f612cf DM |
50 | $ms->{timestamp} = $haenv->get_time(); |
51 | ||
8f0bb968 DM |
52 | $haenv->write_manager_status($ms); |
53 | } | |
c0bbd038 | 54 | |
f7ccd1b3 | 55 | sub select_service_node { |
270d4406 | 56 | my ($groups, $online_node_usage, $service_conf, $current_node, $try_next) = @_; |
f7ccd1b3 | 57 | |
abc920b4 DM |
58 | my $group = { 'nodes' => $service_conf->{node} }; # default group |
59 | ||
270d4406 DM |
60 | $group = $groups->{ids}->{$service_conf->{group}} if $service_conf->{group} && |
61 | $groups->{ids}->{$service_conf->{group}}; | |
abc920b4 DM |
62 | |
63 | my $pri_groups = {}; | |
64 | my $group_members = {}; | |
65 | foreach my $entry (PVE::Tools::split_list($group->{nodes})) { | |
66 | my ($node, $pri) = ($entry, 0); | |
67 | if ($entry =~ m/^(\S+):(\d+)$/) { | |
68 | ($node, $pri) = ($1, $2); | |
69 | } | |
270d4406 | 70 | next if !defined($online_node_usage->{$node}); # offline |
abc920b4 DM |
71 | $pri_groups->{$pri}->{$node} = 1; |
72 | $group_members->{$node} = $pri; | |
73 | } | |
f7ccd1b3 | 74 | |
270d4406 | 75 | |
abc920b4 DM |
76 | # add non-group members to unrestricted groups (priority -1) |
77 | if (!$group->{restricted}) { | |
78 | my $pri = -1; | |
270d4406 | 79 | foreach my $node (keys %$online_node_usage) { |
abc920b4 DM |
80 | next if defined($group_members->{$node}); |
81 | $pri_groups->{$pri}->{$node} = 1; | |
82 | $group_members->{$node} = -1; | |
83 | } | |
84 | } | |
85 | ||
270d4406 | 86 | |
abc920b4 DM |
87 | my @pri_list = sort {$b <=> $a} keys %$pri_groups; |
88 | return undef if !scalar(@pri_list); | |
270d4406 | 89 | |
abc920b4 DM |
90 | if (!$try_next && $group->{nofailback} && defined($group_members->{$current_node})) { |
91 | return $current_node; | |
92 | } | |
93 | ||
94 | # select node from top priority node list | |
95 | ||
96 | my $top_pri = $pri_list[0]; | |
97 | ||
c142ebc9 DM |
98 | my @nodes = sort { |
99 | $online_node_usage->{$a} <=> $online_node_usage->{$b} || $a cmp $b | |
100 | } keys %{$pri_groups->{$top_pri}}; | |
abc920b4 DM |
101 | |
102 | my $found; | |
103 | for (my $i = scalar(@nodes) - 1; $i >= 0; $i--) { | |
104 | my $node = $nodes[$i]; | |
105 | if ($node eq $current_node) { | |
106 | $found = $i; | |
107 | last; | |
108 | } | |
109 | } | |
110 | ||
abc920b4 DM |
111 | if ($try_next) { |
112 | ||
113 | if (defined($found) && ($found < (scalar(@nodes) - 1))) { | |
114 | return $nodes[$found + 1]; | |
115 | } else { | |
116 | return $nodes[0]; | |
117 | } | |
118 | ||
119 | } else { | |
120 | ||
121 | return $nodes[$found] if defined($found); | |
122 | ||
123 | return $nodes[0]; | |
124 | ||
125 | } | |
f7ccd1b3 DM |
126 | } |
127 | ||
c4a221bc DM |
128 | my $uid_counter = 0; |
129 | ||
d55aa611 DM |
130 | sub compute_new_uuid { |
131 | my ($state) = @_; | |
132 | ||
133 | $uid_counter++; | |
134 | return md5_base64($state . $$ . time() . $uid_counter); | |
135 | } | |
136 | ||
618fbeda DM |
137 | my $valid_service_states = { |
138 | stopped => 1, | |
139 | request_stop => 1, | |
140 | started => 1, | |
141 | fence => 1, | |
142 | migrate => 1, | |
b0fdf86a | 143 | relocate => 1, |
9c7d068b | 144 | freeze => 1, |
618fbeda DM |
145 | error => 1, |
146 | }; | |
147 | ||
270d4406 DM |
148 | sub recompute_online_node_usage { |
149 | my ($self) = @_; | |
150 | ||
151 | my $online_node_usage = {}; | |
152 | ||
153 | my $online_nodes = $self->{ns}->list_online_nodes(); | |
154 | ||
155 | foreach my $node (@$online_nodes) { | |
156 | $online_node_usage->{$node} = 0; | |
157 | } | |
158 | ||
159 | foreach my $sid (keys %{$self->{ss}}) { | |
160 | my $sd = $self->{ss}->{$sid}; | |
161 | my $state = $sd->{state}; | |
162 | if (defined($online_node_usage->{$sd->{node}})) { | |
163 | if (($state eq 'started') || ($state eq 'request_stop') || | |
9c7d068b | 164 | ($state eq 'fence') || ($state eq 'freeze') || ($state eq 'error')) { |
270d4406 DM |
165 | $online_node_usage->{$sd->{node}}++; |
166 | } elsif (($state eq 'migrate') || ($state eq 'relocate')) { | |
167 | $online_node_usage->{$sd->{target}}++; | |
168 | } elsif ($state eq 'stopped') { | |
169 | # do nothing | |
170 | } else { | |
171 | die "should not be reached"; | |
172 | } | |
173 | } | |
174 | } | |
175 | ||
176 | $self->{online_node_usage} = $online_node_usage; | |
177 | } | |
178 | ||
4e01bc86 DM |
179 | my $change_service_state = sub { |
180 | my ($self, $sid, $new_state, %params) = @_; | |
181 | ||
182 | my ($haenv, $ss) = ($self->{haenv}, $self->{ss}); | |
183 | ||
184 | my $sd = $ss->{$sid} || die "no such service '$sid"; | |
185 | ||
186 | my $old_state = $sd->{state}; | |
e4ffb299 | 187 | my $old_node = $sd->{node}; |
4e01bc86 DM |
188 | |
189 | die "no state change" if $old_state eq $new_state; # just to be sure | |
190 | ||
618fbeda DM |
191 | die "invalid CRM service state '$new_state'\n" if !$valid_service_states->{$new_state}; |
192 | ||
e4ffb299 DM |
193 | foreach my $k (keys %$sd) { delete $sd->{$k}; }; |
194 | ||
195 | $sd->{state} = $new_state; | |
196 | $sd->{node} = $old_node; | |
197 | ||
198 | my $text_state = ''; | |
ba623362 | 199 | foreach my $k (sort keys %params) { |
4e01bc86 | 200 | my $v = $params{$k}; |
e4ffb299 DM |
201 | $text_state .= ", " if $text_state; |
202 | $text_state .= "$k = $v"; | |
4e01bc86 DM |
203 | $sd->{$k} = $v; |
204 | } | |
270d4406 DM |
205 | |
206 | $self->recompute_online_node_usage(); | |
207 | ||
d55aa611 DM |
208 | $sd->{uid} = compute_new_uuid($new_state); |
209 | ||
4e01bc86 | 210 | |
e4ffb299 | 211 | $text_state = " ($text_state)" if $text_state; |
e5986717 | 212 | $haenv->log('info', "service '$sid': state changed from '${old_state}' to '${new_state}' $text_state"); |
4e01bc86 DM |
213 | }; |
214 | ||
9c7d068b | 215 | # read LRM status for all nodes |
c4a221bc | 216 | sub read_lrm_status { |
332170bd | 217 | my ($self) = @_; |
c4a221bc | 218 | |
9c7d068b | 219 | my $nodes = $self->{ns}->list_nodes(); |
c4a221bc DM |
220 | my $haenv = $self->{haenv}; |
221 | ||
9c7d068b DM |
222 | my $results = {}; |
223 | my $modes = {}; | |
332170bd | 224 | foreach my $node (@$nodes) { |
9c7d068b | 225 | my $lrm_status = $haenv->read_lrm_status($node); |
02ffd753 | 226 | $modes->{$node} = $lrm_status->{mode} || 'active'; |
9c7d068b DM |
227 | foreach my $uid (keys %{$lrm_status->{results}}) { |
228 | next if $results->{$uid}; # should not happen | |
229 | $results->{$uid} = $lrm_status->{results}->{$uid}; | |
c4a221bc DM |
230 | } |
231 | } | |
232 | ||
9c7d068b DM |
233 | |
234 | return ($results, $modes); | |
c4a221bc DM |
235 | } |
236 | ||
aa98a844 DM |
237 | # read new crm commands and save them into crm master status |
238 | sub update_crm_commands { | |
239 | my ($self) = @_; | |
240 | ||
241 | my ($haenv, $ms, $ns, $ss) = ($self->{haenv}, $self->{ms}, $self->{ns}, $self->{ss}); | |
242 | ||
243 | my $cmdlist = $haenv->read_crm_commands(); | |
244 | ||
245 | foreach my $cmd (split(/\n/, $cmdlist)) { | |
246 | chomp $cmd; | |
247 | ||
b0fdf86a DM |
248 | if ($cmd =~ m/^(migrate|relocate)\s+(\S+)\s+(\S+)$/) { |
249 | my ($task, $sid, $node) = ($1, $2, $3); | |
aa98a844 DM |
250 | if (my $sd = $ss->{$sid}) { |
251 | if (!$ns->node_is_online($node)) { | |
252 | $haenv->log('err', "crm command error - node not online: $cmd"); | |
253 | } else { | |
254 | if ($node eq $sd->{node}) { | |
255 | $haenv->log('info', "ignore crm command - service already on target node: $cmd"); | |
256 | } else { | |
257 | $haenv->log('info', "got crm command: $cmd"); | |
b0fdf86a | 258 | $ss->{$sid}->{cmd} = [ $task, $node]; |
aa98a844 DM |
259 | } |
260 | } | |
261 | } else { | |
262 | $haenv->log('err', "crm command error - no such service: $cmd"); | |
263 | } | |
264 | ||
265 | } else { | |
266 | $haenv->log('err', "unable to parse crm command: $cmd"); | |
267 | } | |
268 | } | |
269 | ||
270 | } | |
271 | ||
8f0bb968 DM |
272 | sub manage { |
273 | my ($self) = @_; | |
c0bbd038 | 274 | |
59fd7207 | 275 | my ($haenv, $ms, $ns, $ss) = ($self->{haenv}, $self->{ms}, $self->{ns}, $self->{ss}); |
c0bbd038 | 276 | |
332170bd | 277 | $ns->update($haenv->get_node_info()); |
c79442f2 DM |
278 | |
279 | if (!$ns->node_is_online($haenv->nodename())) { | |
e5986717 | 280 | $haenv->log('info', "master seems offline"); |
c79442f2 DM |
281 | return; |
282 | } | |
283 | ||
9c7d068b | 284 | my ($lrm_results, $lrm_modes) = $self->read_lrm_status(); |
c4a221bc | 285 | |
f7ccd1b3 DM |
286 | my $sc = $haenv->read_service_config(); |
287 | ||
abc920b4 DM |
288 | $self->{groups} = $haenv->read_group_config(); # update |
289 | ||
f7ccd1b3 DM |
290 | # compute new service status |
291 | ||
292 | # add new service | |
cc32a8f3 | 293 | foreach my $sid (sort keys %$sc) { |
f7ccd1b3 | 294 | next if $ss->{$sid}; # already there |
cc32a8f3 | 295 | $haenv->log('info', "adding new service '$sid' on node '$sc->{$sid}->{node}'"); |
f7ccd1b3 | 296 | # assume we are running to avoid relocate running service at add |
d55aa611 DM |
297 | $ss->{$sid} = { state => 'started', node => $sc->{$sid}->{node}, |
298 | uid => compute_new_uuid('started') }; | |
f7ccd1b3 DM |
299 | } |
300 | ||
4e5764af DM |
301 | # remove stale service from manager state |
302 | foreach my $sid (keys %$ss) { | |
303 | next if $sc->{$sid}; | |
304 | $haenv->log('info', "removing stale service '$sid' (no config)"); | |
305 | delete $ss->{$sid}; | |
306 | } | |
307 | ||
aa98a844 DM |
308 | $self->update_crm_commands(); |
309 | ||
c79442f2 DM |
310 | for (;;) { |
311 | my $repeat = 0; | |
270d4406 DM |
312 | |
313 | $self->recompute_online_node_usage(); | |
f7ccd1b3 | 314 | |
c79442f2 DM |
315 | foreach my $sid (keys %$ss) { |
316 | my $sd = $ss->{$sid}; | |
317 | my $cd = $sc->{$sid} || { state => 'disabled' }; | |
f7ccd1b3 | 318 | |
9c7d068b | 319 | my $lrm_res = $sd->{uid} ? $lrm_results->{$sd->{uid}} : undef; |
a875fbe8 | 320 | |
c79442f2 DM |
321 | my $last_state = $sd->{state}; |
322 | ||
323 | if ($last_state eq 'stopped') { | |
324 | ||
abc920b4 | 325 | $self->next_state_stopped($sid, $cd, $sd, $lrm_res); |
f7ccd1b3 | 326 | |
c79442f2 | 327 | } elsif ($last_state eq 'started') { |
f7ccd1b3 | 328 | |
abc920b4 | 329 | $self->next_state_started($sid, $cd, $sd, $lrm_res); |
f7ccd1b3 | 330 | |
b0fdf86a | 331 | } elsif ($last_state eq 'migrate' || $last_state eq 'relocate') { |
f7ccd1b3 | 332 | |
8aaa0e36 | 333 | $self->next_state_migrate_relocate($sid, $cd, $sd, $lrm_res); |
f7ccd1b3 | 334 | |
c79442f2 | 335 | } elsif ($last_state eq 'fence') { |
f7ccd1b3 | 336 | |
21e37ed4 | 337 | # do nothing here - wait until fenced |
f7ccd1b3 | 338 | |
c79442f2 | 339 | } elsif ($last_state eq 'request_stop') { |
f7ccd1b3 | 340 | |
0df5b3dd | 341 | $self->next_state_request_stop($sid, $cd, $sd, $lrm_res); |
618fbeda | 342 | |
9c7d068b DM |
343 | } elsif ($last_state eq 'freeze') { |
344 | ||
345 | my $lrm_mode = $sd->{node} ? $lrm_modes->{$sd->{node}} : undef; | |
9c7d068b DM |
346 | # unfreeze |
347 | &$change_service_state($self, $sid, 'started') | |
02ffd753 | 348 | if $lrm_mode && $lrm_mode eq 'active'; |
9c7d068b | 349 | |
e88469ba DM |
350 | } elsif ($last_state eq 'error') { |
351 | ||
352 | # fixme: | |
353 | ||
a875fbe8 DM |
354 | } else { |
355 | ||
356 | die "unknown service state '$last_state'"; | |
618fbeda | 357 | } |
21e37ed4 | 358 | |
9c7d068b DM |
359 | |
360 | my $lrm_mode = $sd->{node} ? $lrm_modes->{$sd->{node}} : undef; | |
361 | $lrm_mode = 'unknown'if !$lrm_mode; | |
362 | if (($sd->{state} eq 'started' || $sd->{state} eq 'stopped' || | |
363 | $sd->{state} eq 'request_stop') && ($lrm_mode ne 'active')) { | |
364 | &$change_service_state($self, $sid, 'freeze'); | |
365 | } | |
366 | ||
c79442f2 | 367 | $repeat = 1 if $sd->{state} ne $last_state; |
f7ccd1b3 DM |
368 | } |
369 | ||
21e37ed4 DM |
370 | # handle fencing |
371 | my $fenced_nodes = {}; | |
372 | foreach my $sid (keys %$ss) { | |
373 | my $sd = $ss->{$sid}; | |
374 | next if $sd->{state} ne 'fence'; | |
375 | ||
376 | if (!defined($fenced_nodes->{$sd->{node}})) { | |
377 | $fenced_nodes->{$sd->{node}} = $ns->fence_node($sd->{node}) || 0; | |
378 | } | |
379 | ||
380 | next if !$fenced_nodes->{$sd->{node}}; | |
381 | ||
382 | # node fence was sucessful - mark service as stopped | |
383 | &$change_service_state($self, $sid, 'stopped'); | |
384 | } | |
385 | ||
c79442f2 | 386 | last if !$repeat; |
f7ccd1b3 | 387 | } |
f7ccd1b3 | 388 | |
8f0bb968 | 389 | $self->flush_master_status(); |
c0bbd038 DM |
390 | } |
391 | ||
a875fbe8 DM |
392 | # functions to compute next service states |
393 | # $cd: service configuration data (read only) | |
394 | # $sd: service status data (read only) | |
395 | # | |
396 | # Note: use change_service_state() to alter state | |
397 | # | |
398 | ||
0df5b3dd DM |
399 | sub next_state_request_stop { |
400 | my ($self, $sid, $cd, $sd, $lrm_res) = @_; | |
401 | ||
402 | my $haenv = $self->{haenv}; | |
403 | my $ns = $self->{ns}; | |
404 | ||
405 | # check result from LRM daemon | |
406 | if ($lrm_res) { | |
407 | my $exit_code = $lrm_res->{exit_code}; | |
408 | if ($exit_code == 0) { | |
409 | &$change_service_state($self, $sid, 'stopped'); | |
410 | return; | |
411 | } else { | |
412 | &$change_service_state($self, $sid, 'error'); # fixme: what state? | |
413 | return; | |
414 | } | |
415 | } | |
416 | ||
5385a606 | 417 | if ($ns->node_is_offline_delayed($sd->{node}, $fence_delay)) { |
0df5b3dd DM |
418 | &$change_service_state($self, $sid, 'fence'); |
419 | return; | |
420 | } | |
421 | } | |
422 | ||
8aaa0e36 DM |
423 | sub next_state_migrate_relocate { |
424 | my ($self, $sid, $cd, $sd, $lrm_res) = @_; | |
425 | ||
426 | my $haenv = $self->{haenv}; | |
427 | my $ns = $self->{ns}; | |
428 | ||
429 | # check result from LRM daemon | |
430 | if ($lrm_res) { | |
431 | my $exit_code = $lrm_res->{exit_code}; | |
432 | if ($exit_code == 0) { | |
433 | &$change_service_state($self, $sid, 'started', node => $sd->{target}); | |
434 | return; | |
435 | } else { | |
436 | $haenv->log('err', "service '$sid' - migration failed (exit code $exit_code)"); | |
437 | &$change_service_state($self, $sid, 'started', node => $sd->{node}); | |
438 | return; | |
439 | } | |
440 | } | |
441 | ||
5385a606 | 442 | if ($ns->node_is_offline_delayed($sd->{node}, $fence_delay)) { |
8aaa0e36 DM |
443 | &$change_service_state($self, $sid, 'fence'); |
444 | return; | |
445 | } | |
446 | } | |
447 | ||
448 | ||
a875fbe8 | 449 | sub next_state_stopped { |
abc920b4 | 450 | my ($self, $sid, $cd, $sd, $lrm_res) = @_; |
a875fbe8 DM |
451 | |
452 | my $haenv = $self->{haenv}; | |
e88469ba | 453 | my $ns = $self->{ns}; |
a875fbe8 | 454 | |
ff6f1c5c DM |
455 | if ($sd->{node} ne $cd->{node}) { |
456 | # this can happen if we fence a node with active migrations | |
457 | # hack: modify $sd (normally this should be considered read-only) | |
458 | $haenv->log('info', "fixup service '$sid' location ($sd->{node} => $cd->{node}"); | |
459 | $sd->{node} = $cd->{node}; | |
460 | } | |
461 | ||
94b7ebe2 DM |
462 | if ($sd->{cmd}) { |
463 | my ($cmd, $target) = @{$sd->{cmd}}; | |
464 | delete $sd->{cmd}; | |
465 | ||
b0fdf86a | 466 | if ($cmd eq 'migrate' || $cmd eq 'relocate') { |
94b7ebe2 | 467 | if (!$ns->node_is_online($target)) { |
b0fdf86a | 468 | $haenv->log('err', "ignore service '$sid' $cmd request - node '$target' not online"); |
e88469ba | 469 | } elsif ($sd->{node} eq $target) { |
b0fdf86a | 470 | $haenv->log('info', "ignore service '$sid' $cmd request - service already on node '$target'"); |
94b7ebe2 | 471 | } else { |
6da27e23 DM |
472 | eval { |
473 | $haenv->change_service_location($sid, $sd->{node}, $target); | |
474 | $cd->{node} = $sd->{node} = $target; # fixme: $sd is read-only??!! | |
475 | $haenv->log('info', "$cmd service '$sid' to node '$target' (stopped)"); | |
476 | }; | |
477 | if (my $err = $@) { | |
478 | $haenv->log('err', "$cmd service '$sid' to node '$target' failed - $err"); | |
479 | } | |
94b7ebe2 DM |
480 | } |
481 | } else { | |
482 | $haenv->log('err', "unknown command '$cmd' for service '$sid'"); | |
483 | } | |
484 | } | |
485 | ||
a875fbe8 DM |
486 | if ($cd->{state} eq 'disabled') { |
487 | # do nothing | |
e88469ba DM |
488 | return; |
489 | } | |
490 | ||
491 | if ($cd->{state} eq 'enabled') { | |
270d4406 | 492 | if (my $node = select_service_node($self->{groups}, $self->{online_node_usage}, $cd, $sd->{node})) { |
a875fbe8 | 493 | if ($node && ($sd->{node} ne $node)) { |
6da27e23 DM |
494 | eval { |
495 | $haenv->change_service_location($sid, $sd->{node}, $node); | |
496 | $cd->{node} = $sd->{node} = $node; # fixme: $sd is read-only??!! | |
497 | }; | |
498 | if (my $err = $@) { | |
499 | $haenv->log('err', "move service '$sid' to node '$node' failed - $err"); | |
500 | } else { | |
501 | &$change_service_state($self, $sid, 'started', node => $node); | |
502 | } | |
503 | } else { | |
504 | &$change_service_state($self, $sid, 'started', node => $node); | |
a875fbe8 | 505 | } |
a875fbe8 DM |
506 | } else { |
507 | # fixme: warn | |
508 | } | |
e88469ba DM |
509 | |
510 | return; | |
a875fbe8 | 511 | } |
e88469ba DM |
512 | |
513 | $haenv->log('err', "service '$sid' - unknown state '$cd->{state}' in service configuration"); | |
a875fbe8 DM |
514 | } |
515 | ||
516 | sub next_state_started { | |
abc920b4 | 517 | my ($self, $sid, $cd, $sd, $lrm_res) = @_; |
a875fbe8 DM |
518 | |
519 | my $haenv = $self->{haenv}; | |
520 | my $ns = $self->{ns}; | |
521 | ||
522 | if (!$ns->node_is_online($sd->{node})) { | |
5385a606 DM |
523 | if ($ns->node_is_offline_delayed($sd->{node}, $fence_delay)) { |
524 | &$change_service_state($self, $sid, 'fence'); | |
525 | } | |
e88469ba DM |
526 | return; |
527 | } | |
a875fbe8 | 528 | |
e88469ba DM |
529 | if ($cd->{state} eq 'disabled') { |
530 | &$change_service_state($self, $sid, 'request_stop'); | |
531 | return; | |
532 | } | |
533 | ||
534 | if ($cd->{state} eq 'enabled') { | |
e88469ba DM |
535 | |
536 | if ($sd->{cmd}) { | |
537 | my ($cmd, $target) = @{$sd->{cmd}}; | |
538 | delete $sd->{cmd}; | |
539 | ||
b0fdf86a | 540 | if ($cmd eq 'migrate' || $cmd eq 'relocate') { |
e88469ba | 541 | if (!$ns->node_is_online($target)) { |
b0fdf86a | 542 | $haenv->log('err', "ignore service '$sid' $cmd request - node '$target' not online"); |
e88469ba | 543 | } elsif ($sd->{node} eq $target) { |
b0fdf86a | 544 | $haenv->log('info', "ignore service '$sid' $cmd request - service already on node '$target'"); |
e88469ba | 545 | } else { |
b0fdf86a DM |
546 | $haenv->log('info', "$cmd service '$sid' to node '$target' (running)"); |
547 | &$change_service_state($self, $sid, $cmd, node => $sd->{node}, target => $target); | |
e88469ba | 548 | } |
a875fbe8 | 549 | } else { |
e88469ba | 550 | $haenv->log('err', "unknown command '$cmd' for service '$sid'"); |
a875fbe8 DM |
551 | } |
552 | } else { | |
b0fdf86a | 553 | |
abc920b4 DM |
554 | my $try_next = 0; |
555 | if ($lrm_res && ($lrm_res->{exit_code} != 0)) { # fixme: other exit codes? | |
556 | $try_next = 1; | |
557 | } | |
558 | ||
270d4406 DM |
559 | my $node = select_service_node($self->{groups}, $self->{online_node_usage}, |
560 | $cd, $sd->{node}, $try_next); | |
abc920b4 | 561 | |
b0fdf86a DM |
562 | if ($node && ($sd->{node} ne $node)) { |
563 | $haenv->log('info', "migrate service '$sid' to node '$node' (running)"); | |
564 | &$change_service_state($self, $sid, 'migrate', node => $sd->{node}, target => $node); | |
565 | } else { | |
566 | # do nothing | |
567 | } | |
a875fbe8 | 568 | } |
e88469ba DM |
569 | |
570 | return; | |
571 | } | |
572 | ||
573 | $haenv->log('err', "service '$sid' - unknown state '$cd->{state}' in service configuration"); | |
a875fbe8 | 574 | } |
c0bbd038 DM |
575 | |
576 | 1; |