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364 lines
13 KiB
364 lines
13 KiB
#!/usr/bin/perl |
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# |
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# This program shuts downs a server (or servers). It can be called as either a job from the webui or directly |
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# from another program or a terminal. |
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# |
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# Exit codes; |
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# 0 = Normal exit. |
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# 1 = No database connection. |
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# |
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# TODO: |
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# - We need to support shutdown ordering (inverese of boot ordering) |
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# |
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use strict; |
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use warnings; |
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use Anvil::Tools; |
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my $THIS_FILE = ($0 =~ /^.*\/(.*)$/)[0]; |
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my $running_directory = ($0 =~ /^(.*?)\/$THIS_FILE$/)[0]; |
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if (($running_directory =~ /^\./) && ($ENV{PWD})) |
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{ |
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$running_directory =~ s/^\./$ENV{PWD}/; |
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} |
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# Turn off buffering so that the pinwheel will display while waiting for the SSH call(s) to complete. |
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$| = 1; |
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my $anvil = Anvil::Tools->new(); |
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# Read switches (target ([user@]host[:port]) and the file with the target's password. |
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$anvil->Get->switches({list => [ |
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"no-db", |
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"no-wait", |
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"server", |
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"server-uuid", |
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"wait"], man => $THIS_FILE}); |
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$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => $anvil->data->{switches}}); |
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$anvil->Log->entry({source => $THIS_FILE, line => __LINE__, level => 2, key => "log_0115", variables => { program => $THIS_FILE }}); |
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# Connect to DBs. |
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if ($anvil->data->{switches}{'no-db'}) |
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{ |
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$anvil->Log->entry({source => $THIS_FILE, line => __LINE__, 'print' => 1, level => 0, secure => 0, key => "log_0743"}); |
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# If there was a job-uuid, clear it. |
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$anvil->data->{sys}{database}{connections} = 0; |
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$anvil->data->{switches}{'job-uuid'} = ""; |
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$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { |
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'sys::database::connections' => $anvil->data->{sys}{database}{connections}, |
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'switches::job-uuid' => $anvil->data->{switches}{'job-uuid'}, |
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}}); |
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} |
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else |
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{ |
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$anvil->Database->connect(); |
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$anvil->Log->entry({source => $THIS_FILE, line => __LINE__, level => 3, secure => 0, key => "log_0132"}); |
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if (not $anvil->data->{sys}{database}{connections}) |
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{ |
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# No databases, update the job, sleep for a bit and then exit. The daemon will pick it up and try |
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# again after we exit. |
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$anvil->Log->entry({source => $THIS_FILE, line => __LINE__, 'print' => 1, level => 0, priority => "err", key => "error_0075"}); |
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sleep 10; |
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$anvil->nice_exit({exit_code => 1}); |
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} |
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} |
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if ($anvil->data->{switches}{'job-uuid'}) |
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{ |
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# Load the job data. |
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$anvil->Job->clear(); |
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$anvil->Job->get_job_details(); |
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$anvil->Job->update_progress({ |
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progress => 1, |
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job_picked_up_by => $$, |
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job_picked_up_at => time, |
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message => "job_0283", |
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}); |
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# Pull out the job data. |
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foreach my $line (split/\n/, $anvil->data->{jobs}{job_data}) |
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{ |
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if ($line =~ /server=(.*?)$/) |
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{ |
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$anvil->data->{switches}{'server'} = $1; |
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$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { |
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'switches::server' => $anvil->data->{switches}{'server'}, |
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}}); |
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} |
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if ($line =~ /server-uuid=(.*?)$/) |
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{ |
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$anvil->data->{switches}{'server-uuid'} = $1; |
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$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { |
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'switches::server-uuid' => $anvil->data->{switches}{'server-uuid'}, |
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}}); |
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} |
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} |
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} |
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# Now check that we have a server. If it's a server_uuid, read the server name. |
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if ($anvil->data->{switches}{'server-uuid'}) |
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{ |
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# DO we have DB connection(s)? |
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if (not $anvil->data->{sys}{database}{connections}) |
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{ |
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$anvil->Log->entry({source => $THIS_FILE, line => __LINE__, 'print' => 1, level => 0, priority => "err", key => "error_0265"}); |
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$anvil->Job->update_progress({progress => 100, message => "error_0265"}); |
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$anvil->nice_exit({exit_code => 1}); |
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} |
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# Convert the server_uuid to a server_name. |
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my $query = "SELECT server_name FROM servers WHERE server_uuid = ".$anvil->Database->quote($anvil->data->{switches}{'server-uuid'}).";"; |
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$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { query => $query }}); |
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my $server_name = $anvil->Database->query({query => $query, source => $THIS_FILE, line => __LINE__})->[0]->[0]; |
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$server_name = "" if not defined $server_name; |
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$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { server_name => $server_name }}); |
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if ($server_name) |
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{ |
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$anvil->data->{switches}{'server'} = $server_name; |
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$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { |
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'switches::server' => $anvil->data->{switches}{'server'}, |
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}}); |
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} |
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else |
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{ |
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# Invalid server UUID. |
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$anvil->Log->entry({source => $THIS_FILE, line => __LINE__, 'print' => 1, level => 0, priority => "err", key => "error_0269", variables => { |
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server_uuid => $anvil->data->{switches}{'server-uuid'}, |
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}}); |
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$anvil->Job->update_progress({progress => 100, message => "error_0269,!!server_uuid!".$anvil->data->{switches}{'server-uuid'}."!!"}); |
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$anvil->nice_exit({exit_code => 1}); |
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} |
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} |
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# Do we have a server name? |
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if (not $anvil->data->{switches}{'server'}) |
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{ |
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# Unable to proceed. |
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$anvil->Log->entry({source => $THIS_FILE, line => __LINE__, 'print' => 1, level => 0, priority => "err", key => "error_0263"}); |
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$anvil->Job->update_progress({progress => 100, message => "error_0263"}); |
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$anvil->nice_exit({exit_code => 1}); |
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} |
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# Are we a node or DR host? |
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$anvil->data->{sys}{host_type} = $anvil->Get->host_type(); |
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$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { |
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'sys::host_type' => $anvil->data->{sys}{host_type}, |
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}}); |
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if (($anvil->data->{sys}{host_type} ne "node") && ($anvil->data->{sys}{host_type} ne "dr")) |
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{ |
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$anvil->Log->entry({source => $THIS_FILE, line => __LINE__, 'print' => 1, level => 0, priority => "err", key => "error_0264"}); |
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$anvil->Job->update_progress({progress => 100, message => "error_0264"}); |
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$anvil->nice_exit({exit_code => 1}); |
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} |
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# Make sure that we're in an Anvil! system. |
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$anvil->data->{sys}{anvil_uuid} = ""; |
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if (($anvil->data->{sys}{host_type} eq "node") && ($anvil->data->{sys}{database}{connections})) |
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{ |
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$anvil->data->{sys}{anvil_uuid} = $anvil->Cluster->get_anvil_uuid(); |
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$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { |
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'sys::anvil_uuid' => $anvil->data->{sys}{anvil_uuid}, |
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}}); |
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if (not $anvil->data->{sys}{anvil_uuid}) |
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{ |
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$anvil->Log->entry({source => $THIS_FILE, line => __LINE__, 'print' => 1, level => 0, priority => "err", key => "error_0260"}); |
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$anvil->Job->update_progress({progress => 100, message => "error_0260"}); |
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$anvil->nice_exit({exit_code => 1}); |
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} |
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} |
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# This is copied from anvil-boot-server, but it works here as well. We can't use 'pcs' without pacemaker |
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# being up. |
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if ($anvil->data->{sys}{host_type} eq "node") |
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{ |
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wait_for_pacemaker($anvil); |
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} |
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# If 'server' is 'all', shut down all servers. |
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if (lc($anvil->data->{switches}{'server'}) eq "all") |
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{ |
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shutdown_all_servers($anvil); |
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} |
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else |
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{ |
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my $wait = $anvil->data->{switches}{'no-wait'} ? 0 : 1; |
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shutdown_server($anvil, $anvil->data->{switches}{'server'}, $wait, 50); |
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} |
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$anvil->Log->entry({source => $THIS_FILE, line => __LINE__, 'print' => 1, level => 1, key => "job_0281"}); |
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$anvil->Job->update_progress({progress => 100, message => "job_0281"}) if $anvil->data->{switches}{'job-uuid'}; |
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$anvil->nice_exit({exit_code => 0}); |
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############################################################################################################# |
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# Functions # |
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############################################################################################################# |
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sub wait_for_pacemaker |
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{ |
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my ($anvil) = @_; |
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# Shutdown the server using pcs, but of course, wait for the node to be up. |
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my $waiting = 1; |
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while($waiting) |
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{ |
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my $problem = $anvil->Cluster->parse_cib({debug => 2}); |
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$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { problem => $problem }}); |
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if (not $problem) |
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{ |
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my $node_name = $anvil->data->{cib}{parsed}{'local'}{name}; |
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my $ready = $anvil->data->{cib}{parsed}{data}{node}{$node_name}{node_state}{ready}; |
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$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { ready => $ready }}); |
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if ($ready) |
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{ |
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# We're good. |
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$waiting = 0; |
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$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { waiting => $waiting }}); |
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$anvil->Log->entry({source => $THIS_FILE, line => __LINE__, 'print' => 1, level => 1, key => "job_0279"}); |
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$anvil->Job->update_progress({progress => 15, message => "job_0279"}) if $anvil->data->{switches}{'job-uuid'}; |
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} |
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else |
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{ |
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# Node isn't ready yet. |
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$anvil->Log->entry({source => $THIS_FILE, line => __LINE__, 'print' => 1, level => 1, key => "job_0278"}); |
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$anvil->Job->update_progress({progress => 10, message => "job_0278"}) if $anvil->data->{switches}{'job-uuid'}; |
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} |
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} |
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else |
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{ |
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# Cluster hasn't started. |
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$anvil->Log->entry({source => $THIS_FILE, line => __LINE__, 'print' => 1, level => 1, key => "job_0277"}); |
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$anvil->Job->update_progress({progress => 5, message => "job_0277"}) if $anvil->data->{switches}{'job-uuid'}; |
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} |
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if ($waiting) |
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{ |
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sleep 10; |
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} |
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} |
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return(0); |
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} |
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sub shutdown_server |
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{ |
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my ($anvil, $server, $wait, $progress) = @_; |
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$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { |
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server => $server, |
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'wait' => $wait, |
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progress => $progress, |
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}}); |
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# Is the server in the cluster? |
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if (not exists $anvil->data->{cib}{parsed}{data}{server}{$server}) |
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{ |
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# Nope. |
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$anvil->Log->entry({source => $THIS_FILE, line => __LINE__, 'print' => 1, level => 0, priority => "err", key => "log_0548", variables => { server => $server }}); |
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$anvil->Job->update_progress({progress => 100, message => "log_0548,!!server!".$server."!!"}) if $anvil->data->{switches}{'job-uuid'}; |
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$anvil->nice_exit({exit_code => 1}); |
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} |
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my $status = $anvil->data->{cib}{parsed}{data}{server}{$server}{status}; |
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$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { status => $status }}); |
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if ($status eq "off") |
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{ |
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# It's off already |
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$anvil->Log->entry({source => $THIS_FILE, line => __LINE__, 'print' => 1, level => 1, key => "job_0284", variables => { server => $server }}); |
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$anvil->Job->update_progress({progress => $progress, message => "job_0284,!!server!".$server."!!"}) if $anvil->data->{switches}{'job-uuid'}; |
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return(0); |
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} |
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# Now shut down. |
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$anvil->Log->entry({source => $THIS_FILE, line => __LINE__, 'print' => 1, level => 1, key => "job_0289", variables => { server => $server }}); |
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$anvil->Job->update_progress({progress => $progress, message => "job_0289,!!server!".$server."!!"}) if $anvil->data->{switches}{'job-uuid'}; |
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my $problem = 0; |
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if ($anvil->Get->host_type eq "dr") |
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{ |
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# Shut down using virsh. Invert the return. |
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my $success = $anvil->Server->shutdown_virsh({ |
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debug => 2, |
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wait_time => $wait ? 0 : 1, |
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}); |
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$problem = $success ? 0 : 1; |
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$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { |
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success => $success, |
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problem => $problem, |
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}}); |
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} |
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else |
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{ |
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$problem = $anvil->Cluster->shutdown_server({ |
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debug => 2, |
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server => $server, |
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'wait' => $wait, |
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}); |
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$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { problem => $problem }}); |
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} |
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if ($problem) |
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{ |
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# Failed, abort. |
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$anvil->Log->entry({source => $THIS_FILE, line => __LINE__, 'print' => 1, level => 0, priority => "err", key => "error_0268", variables => { server => $server }}); |
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$anvil->Job->update_progress({progress => 100, message => "error_0268,!!server!".$server."!!"}) if $anvil->data->{switches}{'job-uuid'}; |
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$anvil->nice_exit({exit_code => 1}); |
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} |
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else |
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{ |
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if ($wait) |
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{ |
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# Stopped! |
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$anvil->Log->entry({source => $THIS_FILE, line => __LINE__, 'print' => 1, level => 1, key => "job_0285", variables => { server => $server }}); |
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$anvil->Job->update_progress({progress => $progress, message => "job_0285,!!server!".$server."!!"}) if $anvil->data->{switches}{'job-uuid'}; |
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} |
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else |
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{ |
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# Stop requested. |
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$anvil->Log->entry({source => $THIS_FILE, line => __LINE__, 'print' => 1, level => 1, key => "job_0286", variables => { server => $server }}); |
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$anvil->Job->update_progress({progress => $progress, message => "job_0286,!!server!".$server."!!"}) if $anvil->data->{switches}{'job-uuid'}; |
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} |
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} |
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return(0); |
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} |
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sub shutdown_all_servers |
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{ |
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my ($anvil) = @_; |
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### TODO: Manage the stop order here, inverse of boot order. |
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# We top out at 90, bottom is 20. |
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my $server_count = keys %{$anvil->data->{cib}{parsed}{data}{server}}; |
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my $increment = $server_count ? int(70 / $server_count) : 70; |
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my $percent = 15; |
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$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { |
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server_count => $server_count, |
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increment => $increment, |
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}}); |
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foreach my $server (sort {$a cmp $b} keys %{$anvil->data->{cib}{parsed}{data}{server}}) |
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{ |
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my $status = $anvil->data->{cib}{parsed}{data}{server}{$server}{status}; |
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my $host_name = $anvil->data->{cib}{parsed}{data}{server}{$server}{host_name}; |
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my $role = $anvil->data->{cib}{parsed}{data}{server}{$server}{role}; |
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my $active = $anvil->data->{cib}{parsed}{data}{server}{$server}{active}; |
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$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { |
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's1:server' => $server, |
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's2:status' => $status, |
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's2:host_name' => $host_name, |
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's4:role' => $role, |
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's5:active' => $active, |
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}}); |
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if ($status ne "off") |
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{ |
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# Shut it down (don't wait). |
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my $wait = $anvil->data->{switches}{'wait'} ? 1 : 0; |
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$percent += $increment; |
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shutdown_server($anvil, $server, $wait, $percent); |
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} |
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} |
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return(0); |
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}
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