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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 $valid_service_states = { |
137 | stopped => 1, | |
138 | request_stop => 1, | |
139 | started => 1, | |
140 | fence => 1, | |
141 | migrate => 1, | |
b0fdf86a | 142 | relocate => 1, |
9c7d068b | 143 | freeze => 1, |
618fbeda DM |
144 | error => 1, |
145 | }; | |
146 | ||
270d4406 DM |
147 | sub recompute_online_node_usage { |
148 | my ($self) = @_; | |
149 | ||
150 | my $online_node_usage = {}; | |
151 | ||
152 | my $online_nodes = $self->{ns}->list_online_nodes(); | |
153 | ||
154 | foreach my $node (@$online_nodes) { | |
155 | $online_node_usage->{$node} = 0; | |
156 | } | |
157 | ||
158 | foreach my $sid (keys %{$self->{ss}}) { | |
159 | my $sd = $self->{ss}->{$sid}; | |
160 | my $state = $sd->{state}; | |
161 | if (defined($online_node_usage->{$sd->{node}})) { | |
162 | if (($state eq 'started') || ($state eq 'request_stop') || | |
9c7d068b | 163 | ($state eq 'fence') || ($state eq 'freeze') || ($state eq 'error')) { |
270d4406 DM |
164 | $online_node_usage->{$sd->{node}}++; |
165 | } elsif (($state eq 'migrate') || ($state eq 'relocate')) { | |
166 | $online_node_usage->{$sd->{target}}++; | |
167 | } elsif ($state eq 'stopped') { | |
168 | # do nothing | |
169 | } else { | |
170 | die "should not be reached"; | |
171 | } | |
172 | } | |
173 | } | |
174 | ||
175 | $self->{online_node_usage} = $online_node_usage; | |
176 | } | |
177 | ||
4e01bc86 DM |
178 | my $change_service_state = sub { |
179 | my ($self, $sid, $new_state, %params) = @_; | |
180 | ||
181 | my ($haenv, $ss) = ($self->{haenv}, $self->{ss}); | |
182 | ||
183 | my $sd = $ss->{$sid} || die "no such service '$sid"; | |
184 | ||
185 | my $old_state = $sd->{state}; | |
e4ffb299 | 186 | my $old_node = $sd->{node}; |
4e01bc86 DM |
187 | |
188 | die "no state change" if $old_state eq $new_state; # just to be sure | |
189 | ||
618fbeda DM |
190 | die "invalid CRM service state '$new_state'\n" if !$valid_service_states->{$new_state}; |
191 | ||
e4ffb299 DM |
192 | foreach my $k (keys %$sd) { delete $sd->{$k}; }; |
193 | ||
194 | $sd->{state} = $new_state; | |
195 | $sd->{node} = $old_node; | |
196 | ||
197 | my $text_state = ''; | |
4e01bc86 DM |
198 | foreach my $k (keys %params) { |
199 | my $v = $params{$k}; | |
e4ffb299 DM |
200 | $text_state .= ", " if $text_state; |
201 | $text_state .= "$k = $v"; | |
4e01bc86 DM |
202 | $sd->{$k} = $v; |
203 | } | |
270d4406 DM |
204 | |
205 | $self->recompute_online_node_usage(); | |
206 | ||
d55aa611 DM |
207 | $sd->{uid} = compute_new_uuid($new_state); |
208 | ||
4e01bc86 | 209 | |
e4ffb299 | 210 | $text_state = " ($text_state)" if $text_state; |
e5986717 | 211 | $haenv->log('info', "service '$sid': state changed from '${old_state}' to '${new_state}' $text_state"); |
4e01bc86 DM |
212 | }; |
213 | ||
9c7d068b | 214 | # read LRM status for all nodes |
c4a221bc | 215 | sub read_lrm_status { |
332170bd | 216 | my ($self) = @_; |
c4a221bc | 217 | |
9c7d068b | 218 | my $nodes = $self->{ns}->list_nodes(); |
c4a221bc DM |
219 | my $haenv = $self->{haenv}; |
220 | ||
9c7d068b DM |
221 | my $results = {}; |
222 | my $modes = {}; | |
332170bd | 223 | foreach my $node (@$nodes) { |
9c7d068b DM |
224 | my $lrm_status = $haenv->read_lrm_status($node); |
225 | $modes->{$node} = $lrm_status->{mode} || 'unknown'; | |
226 | foreach my $uid (keys %{$lrm_status->{results}}) { | |
227 | next if $results->{$uid}; # should not happen | |
228 | $results->{$uid} = $lrm_status->{results}->{$uid}; | |
c4a221bc DM |
229 | } |
230 | } | |
231 | ||
9c7d068b DM |
232 | |
233 | return ($results, $modes); | |
c4a221bc DM |
234 | } |
235 | ||
aa98a844 DM |
236 | # read new crm commands and save them into crm master status |
237 | sub update_crm_commands { | |
238 | my ($self) = @_; | |
239 | ||
240 | my ($haenv, $ms, $ns, $ss) = ($self->{haenv}, $self->{ms}, $self->{ns}, $self->{ss}); | |
241 | ||
242 | my $cmdlist = $haenv->read_crm_commands(); | |
243 | ||
244 | foreach my $cmd (split(/\n/, $cmdlist)) { | |
245 | chomp $cmd; | |
246 | ||
b0fdf86a DM |
247 | if ($cmd =~ m/^(migrate|relocate)\s+(\S+)\s+(\S+)$/) { |
248 | my ($task, $sid, $node) = ($1, $2, $3); | |
aa98a844 DM |
249 | if (my $sd = $ss->{$sid}) { |
250 | if (!$ns->node_is_online($node)) { | |
251 | $haenv->log('err', "crm command error - node not online: $cmd"); | |
252 | } else { | |
253 | if ($node eq $sd->{node}) { | |
254 | $haenv->log('info', "ignore crm command - service already on target node: $cmd"); | |
255 | } else { | |
256 | $haenv->log('info', "got crm command: $cmd"); | |
b0fdf86a | 257 | $ss->{$sid}->{cmd} = [ $task, $node]; |
aa98a844 DM |
258 | } |
259 | } | |
260 | } else { | |
261 | $haenv->log('err', "crm command error - no such service: $cmd"); | |
262 | } | |
263 | ||
264 | } else { | |
265 | $haenv->log('err', "unable to parse crm command: $cmd"); | |
266 | } | |
267 | } | |
268 | ||
269 | } | |
270 | ||
8f0bb968 DM |
271 | sub manage { |
272 | my ($self) = @_; | |
c0bbd038 | 273 | |
59fd7207 | 274 | my ($haenv, $ms, $ns, $ss) = ($self->{haenv}, $self->{ms}, $self->{ns}, $self->{ss}); |
c0bbd038 | 275 | |
332170bd | 276 | $ns->update($haenv->get_node_info()); |
c79442f2 DM |
277 | |
278 | if (!$ns->node_is_online($haenv->nodename())) { | |
e5986717 | 279 | $haenv->log('info', "master seems offline"); |
c79442f2 DM |
280 | return; |
281 | } | |
282 | ||
9c7d068b | 283 | my ($lrm_results, $lrm_modes) = $self->read_lrm_status(); |
c4a221bc | 284 | |
f7ccd1b3 DM |
285 | my $sc = $haenv->read_service_config(); |
286 | ||
abc920b4 DM |
287 | $self->{groups} = $haenv->read_group_config(); # update |
288 | ||
f7ccd1b3 DM |
289 | # compute new service status |
290 | ||
291 | # add new service | |
cc32a8f3 | 292 | foreach my $sid (sort keys %$sc) { |
f7ccd1b3 | 293 | next if $ss->{$sid}; # already there |
cc32a8f3 | 294 | $haenv->log('info', "adding new service '$sid' on node '$sc->{$sid}->{node}'"); |
f7ccd1b3 | 295 | # assume we are running to avoid relocate running service at add |
d55aa611 DM |
296 | $ss->{$sid} = { state => 'started', node => $sc->{$sid}->{node}, |
297 | uid => compute_new_uuid('started') }; | |
f7ccd1b3 DM |
298 | } |
299 | ||
4e5764af DM |
300 | # remove stale service from manager state |
301 | foreach my $sid (keys %$ss) { | |
302 | next if $sc->{$sid}; | |
303 | $haenv->log('info', "removing stale service '$sid' (no config)"); | |
304 | delete $ss->{$sid}; | |
305 | } | |
306 | ||
aa98a844 DM |
307 | $self->update_crm_commands(); |
308 | ||
c79442f2 DM |
309 | for (;;) { |
310 | my $repeat = 0; | |
270d4406 DM |
311 | |
312 | $self->recompute_online_node_usage(); | |
f7ccd1b3 | 313 | |
c79442f2 DM |
314 | foreach my $sid (keys %$ss) { |
315 | my $sd = $ss->{$sid}; | |
316 | my $cd = $sc->{$sid} || { state => 'disabled' }; | |
f7ccd1b3 | 317 | |
9c7d068b | 318 | my $lrm_res = $sd->{uid} ? $lrm_results->{$sd->{uid}} : undef; |
a875fbe8 | 319 | |
c79442f2 DM |
320 | my $last_state = $sd->{state}; |
321 | ||
322 | if ($last_state eq 'stopped') { | |
323 | ||
abc920b4 | 324 | $self->next_state_stopped($sid, $cd, $sd, $lrm_res); |
f7ccd1b3 | 325 | |
c79442f2 | 326 | } elsif ($last_state eq 'started') { |
f7ccd1b3 | 327 | |
abc920b4 | 328 | $self->next_state_started($sid, $cd, $sd, $lrm_res); |
f7ccd1b3 | 329 | |
b0fdf86a | 330 | } elsif ($last_state eq 'migrate' || $last_state eq 'relocate') { |
f7ccd1b3 | 331 | |
8aaa0e36 | 332 | $self->next_state_migrate_relocate($sid, $cd, $sd, $lrm_res); |
f7ccd1b3 | 333 | |
c79442f2 | 334 | } elsif ($last_state eq 'fence') { |
f7ccd1b3 | 335 | |
21e37ed4 | 336 | # do nothing here - wait until fenced |
f7ccd1b3 | 337 | |
c79442f2 | 338 | } elsif ($last_state eq 'request_stop') { |
f7ccd1b3 | 339 | |
0df5b3dd | 340 | $self->next_state_request_stop($sid, $cd, $sd, $lrm_res); |
618fbeda | 341 | |
9c7d068b DM |
342 | } elsif ($last_state eq 'freeze') { |
343 | ||
344 | my $lrm_mode = $sd->{node} ? $lrm_modes->{$sd->{node}} : undef; | |
345 | $lrm_mode = 'unknown'if !$lrm_mode; | |
346 | # unfreeze | |
347 | &$change_service_state($self, $sid, 'started') | |
348 | if $lrm_mode eq 'active'; | |
349 | ||
e88469ba DM |
350 | } elsif ($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 DM |
471 | } else { |
472 | $haenv->change_service_location($sid, $target); | |
473 | $cd->{node} = $sd->{node} = $target; # fixme: $sd is read-only??!! | |
b0fdf86a | 474 | $haenv->log('info', "$cmd service '$sid' to node '$target' (stopped)"); |
94b7ebe2 DM |
475 | } |
476 | } else { | |
477 | $haenv->log('err', "unknown command '$cmd' for service '$sid'"); | |
478 | } | |
479 | } | |
480 | ||
a875fbe8 DM |
481 | if ($cd->{state} eq 'disabled') { |
482 | # do nothing | |
e88469ba DM |
483 | return; |
484 | } | |
485 | ||
486 | if ($cd->{state} eq 'enabled') { | |
270d4406 | 487 | if (my $node = select_service_node($self->{groups}, $self->{online_node_usage}, $cd, $sd->{node})) { |
a875fbe8 DM |
488 | if ($node && ($sd->{node} ne $node)) { |
489 | $haenv->change_service_location($sid, $node); | |
490 | } | |
491 | &$change_service_state($self, $sid, 'started', node => $node); | |
492 | } else { | |
493 | # fixme: warn | |
494 | } | |
e88469ba DM |
495 | |
496 | return; | |
a875fbe8 | 497 | } |
e88469ba DM |
498 | |
499 | $haenv->log('err', "service '$sid' - unknown state '$cd->{state}' in service configuration"); | |
a875fbe8 DM |
500 | } |
501 | ||
502 | sub next_state_started { | |
abc920b4 | 503 | my ($self, $sid, $cd, $sd, $lrm_res) = @_; |
a875fbe8 DM |
504 | |
505 | my $haenv = $self->{haenv}; | |
506 | my $ns = $self->{ns}; | |
507 | ||
508 | if (!$ns->node_is_online($sd->{node})) { | |
5385a606 DM |
509 | if ($ns->node_is_offline_delayed($sd->{node}, $fence_delay)) { |
510 | &$change_service_state($self, $sid, 'fence'); | |
511 | } | |
e88469ba DM |
512 | return; |
513 | } | |
a875fbe8 | 514 | |
e88469ba DM |
515 | if ($cd->{state} eq 'disabled') { |
516 | &$change_service_state($self, $sid, 'request_stop'); | |
517 | return; | |
518 | } | |
519 | ||
520 | if ($cd->{state} eq 'enabled') { | |
e88469ba DM |
521 | |
522 | if ($sd->{cmd}) { | |
523 | my ($cmd, $target) = @{$sd->{cmd}}; | |
524 | delete $sd->{cmd}; | |
525 | ||
b0fdf86a | 526 | if ($cmd eq 'migrate' || $cmd eq 'relocate') { |
e88469ba | 527 | if (!$ns->node_is_online($target)) { |
b0fdf86a | 528 | $haenv->log('err', "ignore service '$sid' $cmd request - node '$target' not online"); |
e88469ba | 529 | } elsif ($sd->{node} eq $target) { |
b0fdf86a | 530 | $haenv->log('info', "ignore service '$sid' $cmd request - service already on node '$target'"); |
e88469ba | 531 | } else { |
b0fdf86a DM |
532 | $haenv->log('info', "$cmd service '$sid' to node '$target' (running)"); |
533 | &$change_service_state($self, $sid, $cmd, node => $sd->{node}, target => $target); | |
e88469ba | 534 | } |
a875fbe8 | 535 | } else { |
e88469ba | 536 | $haenv->log('err', "unknown command '$cmd' for service '$sid'"); |
a875fbe8 DM |
537 | } |
538 | } else { | |
b0fdf86a | 539 | |
abc920b4 DM |
540 | my $try_next = 0; |
541 | if ($lrm_res && ($lrm_res->{exit_code} != 0)) { # fixme: other exit codes? | |
542 | $try_next = 1; | |
543 | } | |
544 | ||
270d4406 DM |
545 | my $node = select_service_node($self->{groups}, $self->{online_node_usage}, |
546 | $cd, $sd->{node}, $try_next); | |
abc920b4 | 547 | |
b0fdf86a DM |
548 | if ($node && ($sd->{node} ne $node)) { |
549 | $haenv->log('info', "migrate service '$sid' to node '$node' (running)"); | |
550 | &$change_service_state($self, $sid, 'migrate', node => $sd->{node}, target => $node); | |
551 | } else { | |
552 | # do nothing | |
553 | } | |
a875fbe8 | 554 | } |
e88469ba DM |
555 | |
556 | return; | |
557 | } | |
558 | ||
559 | $haenv->log('err', "service '$sid' - unknown state '$cd->{state}' in service configuration"); | |
a875fbe8 | 560 | } |
c0bbd038 DM |
561 | |
562 | 1; |