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494 lines
20 KiB
494 lines
20 KiB
#!/usr/bin/perl |
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# |
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# This checks the state of the postgresql database server and, if necessary, configures it for external |
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# access, initializes it and gets it running. |
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# |
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# Exit codes; |
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# 0 = Normal exit. |
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# 1 = Failed to initialize postgres |
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# 2 = Failed to start postgres |
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# 3 = ScanCore user not set in the local ID in anvil.conf |
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# 4 = Failed to create the database user. |
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# 5 = PostgreSQL not installed. |
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use strict; |
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use warnings; |
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use Data::Dumper; |
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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 $anvil = Anvil::Tools->new(); |
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$anvil->Log->level({set => 2}); |
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$anvil->Log->secure({set => 1}); |
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# Read switches |
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$anvil->Get->switches; |
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# Paths |
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$anvil->Storage->read_config({file => $anvil->data->{path}{configs}{'anvil.conf'}}); |
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my $local_uuid = $anvil->Database->get_local_uuid(); |
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$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { local_uuid => $local_uuid }}); |
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# If we didn't get the $local_uuid, then there is no entry for this system in anvil.conf yet, so we'll add it. |
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if (not $local_uuid) |
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{ |
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$local_uuid = add_to_local_config($anvil); |
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$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { local_uuid => $local_uuid }}); |
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# If we still don't have a local_uuid, something went wrong. |
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if (not $local_uuid) |
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{ |
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print $anvil->Words->string({key => "error_0010"})."\n"; |
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$anvil->nice_exit({code => 1}); |
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} |
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} |
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# Now configure! |
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if ($local_uuid) |
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{ |
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# Start checks |
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my $running = $anvil->System->check_daemon({daemon => $anvil->data->{sys}{service}{postgresql}}); |
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$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { running => $running }}); |
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if ($running eq "2") |
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{ |
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# Not installed. |
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$anvil->Log->entry({source => $THIS_FILE, line => __LINE__, level => 0, priority => "err", key => "log_0144"}); |
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exit(5); |
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} |
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elsif (not $running) |
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{ |
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# Do we need to initialize the databae? |
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if (not -e $anvil->data->{path}{configs}{'pg_hba.conf'}) |
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{ |
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# Initialize. |
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my $output = $anvil->System->call({shell_call => $anvil->data->{path}{exe}{'postgresql-setup'}." initdb", source => $THIS_FILE, line => __LINE__}); |
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$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { output => $output }}); |
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# Did it succeed? |
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if (not -e $anvil->data->{path}{configs}{'pg_hba.conf'}) |
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{ |
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# Failed... |
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if ($output =~ /cannot create directory ‘(.*?)’: File exists/s) |
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{ |
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my $file = $1; |
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$anvil->Log->entry({source => $THIS_FILE, line => __LINE__, level => 1, key => "log_0139", variables => { file => $file }}); |
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} |
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elsif ($output =~ /Initializing database ... failed, see (\/var\/.*?\.log)/s) |
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{ |
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my $file = $1; |
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$anvil->Log->entry({source => $THIS_FILE, line => __LINE__, level => 1, key => "log_0140", variables => { file => $file }}); |
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} |
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else |
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{ |
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$anvil->Log->entry({source => $THIS_FILE, line => __LINE__, level => 0, priority => "err", key => "log_0050"}); |
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} |
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exit(1); |
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} |
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else |
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{ |
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# Initialized! |
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$anvil->Log->entry({source => $THIS_FILE, line => __LINE__, level => 1, key => "log_0055"}); |
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} |
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# Setup postgresql.conf |
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my $postgresql_backup = $anvil->data->{path}{directories}{backups}."/pgsql/postgresql.conf"; |
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$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { postgresql_backup => $postgresql_backup }}); |
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$anvil->Storage->copy_file({ |
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source_file => $anvil->data->{path}{configs}{'postgresql.conf'}, |
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target_file => $postgresql_backup, |
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}); |
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my $postgresql_conf = $anvil->Storage->read_file({file => $anvil->data->{path}{configs}{'postgresql.conf'}}); |
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my $update_file = 1; |
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my $new_postgresql_conf = ""; |
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foreach my $line (split/\n/, $postgresql_conf) |
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{ |
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$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { line => $line }}); |
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if ($line =~ /^listen_addresses = '\*'/) |
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{ |
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# No need to update. |
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$update_file = 0; |
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last; |
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} |
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elsif ($line =~ /^#listen_addresses = 'localhost'/) |
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{ |
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# Inject the new listen_addresses |
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$new_postgresql_conf .= "listen_addresses = '*'\n"; |
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} |
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$new_postgresql_conf .= $line."\n"; |
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} |
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$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { update_file => $update_file }}); |
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if ($update_file) |
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{ |
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$anvil->Storage->write_file({ |
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file => $anvil->data->{path}{configs}{'postgresql.conf'}, |
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body => $new_postgresql_conf, |
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user => "postgres", |
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group => "postgres", |
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mode => "0600", |
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overwrite => 1, |
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}); |
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$anvil->Log->entry({source => $THIS_FILE, line => __LINE__, level => 1, key => "log_0056", variables => { file => $anvil->data->{path}{configs}{'postgresql.conf'} }}); |
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} |
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# Setup pg_hba.conf now |
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my $pg_hba_backup = $anvil->data->{path}{directories}{backups}."/pgsql/pg_hba.conf"; |
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$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { pg_hba_backup => $pg_hba_backup }}); |
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$anvil->Storage->copy_file({ |
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source_file => $anvil->data->{path}{configs}{'pg_hba.conf'}, |
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target_file => $pg_hba_backup, |
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}); |
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my $pg_hba_conf = $anvil->Storage->read_file({file => $anvil->data->{path}{configs}{'pg_hba.conf'}}); |
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$update_file = 1; |
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my $new_pg_hba_conf = ""; |
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foreach my $line (split/\n/, $pg_hba_conf) |
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{ |
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$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { line => $line }}); |
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if ($line =~ /^host\s+all\s+all\s+\all\s+md5$/) |
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{ |
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# No need to update. |
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$update_file = 0; |
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$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { update_file => $update_file }}); |
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last; |
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} |
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elsif ($line =~ /^# TYPE\s+DATABASE/) |
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{ |
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# Inject the new listen_addresses |
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$new_pg_hba_conf .= $line."\n"; |
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$new_pg_hba_conf .= "host\tall\t\tall\t\tall\t\t\tmd5\n"; |
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} |
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else |
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{ |
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$new_pg_hba_conf .= $line."\n"; |
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} |
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} |
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$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { update_file => $update_file }}); |
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if ($update_file) |
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{ |
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$anvil->Storage->write_file({ |
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file => $anvil->data->{path}{configs}{'pg_hba.conf'}, |
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body => $new_pg_hba_conf, |
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user => "postgres", |
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group => "postgres", |
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mode => "0600", |
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overwrite => 1, |
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}); |
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$anvil->Log->entry({source => $THIS_FILE, line => __LINE__, level => 1, key => "log_0057", variables => { file => $anvil->data->{path}{configs}{'pg_hba.conf'} }}); |
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} |
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} |
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# Start the daemon. '0' = started, anything else is a problem. |
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my $return_code = $anvil->System->start_daemon({daemon => $anvil->data->{sys}{service}{postgresql}}); |
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$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { return_code => $return_code }}); |
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if ($return_code eq "0") |
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{ |
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# Started the daemon. |
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$anvil->Log->entry({source => $THIS_FILE, line => __LINE__, level => 1, key => "log_0059"}); |
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# Make sure it is enabled on boot. |
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my $return_code = $anvil->System->enable_daemon({daemon => $anvil->data->{sys}{service}{postgresql}}); |
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$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { return_code => $return_code }}); |
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} |
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else |
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{ |
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# Failed to start |
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$anvil->Log->entry({source => $THIS_FILE, line => __LINE__, level => 0, priority => "err", key => "log_0094"}); |
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exit(2); |
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} |
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} |
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# Create the .pgpass file, if needed. |
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my $created_pgpass = 0; |
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$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, secure => 1, list => { |
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'path::secure::postgres_pgpass' => $anvil->data->{path}{secure}{postgres_pgpass}, |
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"database::${local_uuid}::password" => $anvil->data->{database}{$local_uuid}{password}, |
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}}); |
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if ((not -e $anvil->data->{path}{secure}{postgres_pgpass}) && ($anvil->data->{database}{$local_uuid}{password})) |
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{ |
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my $body = "*:*:*:postgres:".$anvil->data->{database}{$local_uuid}{password}."\n"; |
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$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, secure => 1, list => { body => $body }}); |
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$anvil->Storage->write_file({ |
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file => $anvil->data->{path}{secure}{postgres_pgpass}, |
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body => $body, |
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user => "postgres", |
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group => "postgres", |
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mode => "0600", |
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overwrite => 1, |
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secure => 1, |
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}); |
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if (-e $anvil->data->{path}{secure}{postgres_pgpass}) |
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{ |
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$created_pgpass = 1; |
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$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { created_pgpass => $created_pgpass }}); |
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} |
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} |
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# Does the database user exist? |
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my $create_user = 1; |
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my $database_user = $anvil->data->{database}{$local_uuid}{user} ? $anvil->data->{database}{$local_uuid}{user} : $anvil->data->{sys}{database}{user}; |
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$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { database_user => $database_user }}); |
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if (not $database_user) |
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{ |
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# No database user defined |
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$anvil->Log->entry({source => $THIS_FILE, line => __LINE__, level => 0, priority => "err", key => "log_0099", variables => { uuid => $local_uuid }}); |
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exit(3); |
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} |
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my $user_list = $anvil->System->call({shell_call => $anvil->data->{path}{exe}{su}." - postgres -c \"".$anvil->data->{path}{exe}{psql}." template1 -c 'SELECT usename, usesysid FROM pg_catalog.pg_user;'\"", source => $THIS_FILE, line => __LINE__}); |
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$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { user_list => $user_list }}); |
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foreach my $line (split/\n/, $user_list) |
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{ |
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if ($line =~ /^ $database_user\s+\|\s+(\d+)/) |
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{ |
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# User exists already |
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my $id = $1; |
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$anvil->Log->entry({source => $THIS_FILE, line => __LINE__, level => 2, key => "log_0060", variables => { user => $database_user, id => $id }}); |
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$create_user = 0; |
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last; |
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} |
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} |
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$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { create_user => $create_user }}); |
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if ($create_user) |
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{ |
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# Create the user |
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my $create_output = $anvil->System->call({shell_call => $anvil->data->{path}{exe}{su}." - postgres -c \"".$anvil->data->{path}{exe}{createuser}." --no-superuser --createdb --no-createrole $database_user\"", source => $THIS_FILE, line => __LINE__}); |
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my $user_list = $anvil->System->call({shell_call => $anvil->data->{path}{exe}{su}." - postgres -c \"".$anvil->data->{path}{exe}{psql}." template1 -c 'SELECT usename, usesysid FROM pg_catalog.pg_user;'\"", source => $THIS_FILE, line => __LINE__}); |
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my $user_exists = 0; |
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$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { create_output => $create_output, user_list => $user_list }}); |
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foreach my $line (split/\n/, $user_list) |
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{ |
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if ($line =~ /^ $database_user\s+\|\s+(\d+)/) |
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{ |
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# Success! |
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my $id = $1; |
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$anvil->Log->entry({source => $THIS_FILE, line => __LINE__, level => 2, key => "log_0095", variables => { user => $database_user, id => $id }}); |
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$user_exists = 1; |
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last; |
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} |
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} |
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if (not $user_exists) |
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{ |
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$anvil->Log->entry({source => $THIS_FILE, line => __LINE__, level => 0, priority => "err", key => "log_0096", variables => { user => $database_user }}); |
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exit(4); |
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} |
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# Update/set the passwords. |
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$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, secure => 1, list => { "database::${local_uuid}::password" => $anvil->data->{database}{$local_uuid}{password} }}); |
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if ($anvil->data->{database}{$local_uuid}{password}) |
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{ |
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foreach my $user ("postgres", $database_user) |
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{ |
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my $update_output = $anvil->System->call({secure => 1, shell_call => $anvil->data->{path}{exe}{su}." - postgres -c \"".$anvil->data->{path}{exe}{psql}." template1 -c \\\"ALTER ROLE $user WITH PASSWORD '".$anvil->data->{database}{$local_uuid}{password}."';\\\"\"", source => $THIS_FILE, line => __LINE__}); |
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$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, secure => 1, list => { update_output => $update_output }}); |
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foreach my $line (split/\n/, $user_list) |
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{ |
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if ($line =~ /ALTER ROLE/) |
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{ |
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# Password set |
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$anvil->Log->entry({source => $THIS_FILE, line => __LINE__, level => 2, key => "log_0100", variables => { user => $user }}); |
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} |
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} |
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} |
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} |
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} |
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# Create the database, if needed. |
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my $create_database = 1; |
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my $database_name = $anvil->data->{database}{$local_uuid}{name} ? $anvil->data->{database}{$local_uuid}{name} : $anvil->data->{sys}{database}{name}; |
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$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { database_name => $database_name }}); |
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my $database_list = $anvil->System->call({shell_call => $anvil->data->{path}{exe}{su}." - postgres -c \"".$anvil->data->{path}{exe}{psql}." template1 -c 'SELECT datname FROM pg_catalog.pg_database;'\"", source => $THIS_FILE, line => __LINE__}); |
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$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { database_list => $database_list }}); |
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foreach my $line (split/\n/, $database_list) |
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{ |
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if ($line =~ /^ $database_name$/) |
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{ |
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# Database already exists. |
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$anvil->Log->entry({source => $THIS_FILE, line => __LINE__, level => 2, key => "log_0105", variables => { database => $database_name }}); |
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$create_database = 0; |
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last; |
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} |
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} |
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$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { create_database => $create_database }}); |
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if ($create_database) |
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{ |
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my $create_output = $anvil->System->call({shell_call => $anvil->data->{path}{exe}{su}." - postgres -c \"".$anvil->data->{path}{exe}{createdb}." --owner ".$database_user." ".$database_name."\"", source => $THIS_FILE, line => __LINE__}); |
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$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { create_output => $create_output }}); |
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my $database_exists = 0; |
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my $database_list = $anvil->System->call({shell_call => $anvil->data->{path}{exe}{su}." - postgres -c \"".$anvil->data->{path}{exe}{psql}." template1 -c 'SELECT datname FROM pg_catalog.pg_database;'\"", source => $THIS_FILE, line => __LINE__}); |
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$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { database_list => $database_list }}); |
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foreach my $line (split/\n/, $database_list) |
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{ |
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if ($line =~ /^ $database_name$/) |
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{ |
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# Database created |
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$anvil->Log->entry({source => $THIS_FILE, line => __LINE__, level => 2, key => "log_0110", variables => { database => $database_name }}); |
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$database_exists = 1; |
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last; |
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} |
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} |
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if (not $database_exists) |
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{ |
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$anvil->Log->entry({source => $THIS_FILE, line => __LINE__, level => 0, priority => "err", key => "log_0109", variables => { database => $database_name }}); |
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exit(5); |
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} |
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} |
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# Remove the temporary password file. |
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if (($created_pgpass) && (-e $anvil->data->{path}{secure}{postgres_pgpass})) |
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{ |
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unlink $anvil->data->{path}{secure}{postgres_pgpass}; |
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if (-e $anvil->data->{path}{secure}{postgres_pgpass}) |
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{ |
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# Failed to unlink the file. |
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$anvil->Log->entry({source => $THIS_FILE, line => __LINE__, level => 0, priority => "alert", key => "log_0107"}); |
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} |
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} |
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|
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##################################################################################################### |
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# NOTE: Below here is stuff that is for general setup. If it grows, we'll have to rename this tool. # |
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##################################################################################################### |
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|
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### TODO: This will need to set the proper SELinux context. |
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# Apache run scripts can't call the system UUID, so we'll write it to a text file. |
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if (not -e $anvil->data->{path}{data}{host_uuid}) |
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{ |
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$anvil->Storage->write_file({ |
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file => $anvil->data->{path}{data}{host_uuid}, |
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body => $anvil->Get->host_uuid, |
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user => "apache", |
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group => "apache", |
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mode => "0666", |
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overwrite => 0, |
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}); |
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$anvil->Log->entry({source => $THIS_FILE, line => __LINE__, level => 1, key => "message_0011", variables => { file => $anvil->data->{path}{configs}{'postgresql.conf'} }}); |
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} |
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|
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# Log level 3 creates so much logging that it hits journald's rate limiting (1000 logs per 30 |
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# seconds). So we need to disable it. |
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if (not -e $anvil->data->{path}{configs}{'journald_anvil'}) |
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{ |
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# Write the file to disable journald rate limiting. |
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my $body = "# This disables the rate limiting so that when log level is set to 3, log |
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# entries aren't lost. If you want to override this, don't delete the file, |
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# just comment out the lines below. |
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[Journal] |
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RateLimitInterval=0 |
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RateLimitBurst=0 |
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"; |
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$anvil->Storage->write_file({ |
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file => $anvil->data->{path}{configs}{'journald_anvil'}, |
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body => $body, |
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user => "root", |
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group => "root", |
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mode => "0644", |
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overwrite => 0, |
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}); |
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$anvil->Log->entry({source => $THIS_FILE, line => __LINE__, level => 1, key => "message_0012", variables => { file => $anvil->data->{path}{configs}{'journald_anvil'} }}); |
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|
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my $shell_call = $anvil->data->{path}{exe}{systemctl}." restart systemd-journald.service"; |
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$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { shell_call => $shell_call }}); |
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|
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my $output = $anvil->System->call({shell_call => $shell_call, source => $THIS_FILE, line => __LINE__}); |
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$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { output => $output }}); |
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} |
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} |
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else |
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{ |
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# Didn't find an entry for this machine. This is normal on nodes. |
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$anvil->Log->entry({source => $THIS_FILE, line => __LINE__, level => 2, key => "log_0143"}); |
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} |
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|
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$anvil->nice_exit({code => 0}); |
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|
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|
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############################################################################################################# |
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# Functions # |
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############################################################################################################# |
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|
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# This adds this machine to the local anvil.conf file. |
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sub add_to_local_config |
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{ |
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my ($anvil) = @_; |
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|
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my $host_uuid = $anvil->Get->host_uuid(); |
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my $local_uuid = ""; |
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my $anvil_conf_body = $anvil->Storage->read_file({file => $anvil->data->{path}{configs}{'anvil.conf'}}); |
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$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { |
|
host_uuid => $host_uuid, |
|
anvil_conf_body => $anvil_conf_body, |
|
}}); |
|
|
|
# Setup the data we'll insert. The password will be changed after the user does the initial config. |
|
my $insert = "database::".$host_uuid."::host = localhost\n"; |
|
$insert .= "database::".$host_uuid."::port = 5432\n"; |
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$insert .= "database::".$host_uuid."::password = Initial1\n"; |
|
$insert .= "database::".$host_uuid."::ping = 0\n\n"; |
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$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { insert => $insert }}); |
|
|
|
# Now inject the config. |
|
my $new_body = ""; |
|
my $config_seen = 0; |
|
my $test_line = "database::${host_uuid}::"; |
|
foreach my $line (split/\n/, $anvil_conf_body) |
|
{ |
|
$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { line => $line }}); |
|
if ($line =~ /^$test_line/) |
|
{ |
|
# It's already configured, abort. |
|
$config_seen = 1; |
|
$local_uuid = $host_uuid; |
|
$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { |
|
config_seen => $config_seen, |
|
local_uuid => $local_uuid, |
|
}}); |
|
} |
|
if ($line eq "### end db list ###") |
|
{ |
|
$new_body .= $insert; |
|
$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { new_body => $new_body }}); |
|
} |
|
$new_body .= $line."\n"; |
|
} |
|
|
|
# If we're here, we're ready to write it out. |
|
if (not $config_seen) |
|
{ |
|
# Backup the original |
|
my $backup_file = $anvil->Storage->backup({file => $anvil->data->{path}{configs}{'anvil.conf'}}); |
|
$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { backup_file => $backup_file }}); |
|
|
|
# Now update! |
|
$anvil->Storage->write_file({ |
|
debug => 3, |
|
file => $anvil->data->{path}{configs}{'anvil.conf'}, |
|
body => $new_body, |
|
user => "admin", |
|
group => "admin", |
|
mode => "0644", |
|
overwrite => 1, |
|
}); |
|
|
|
# Record the local UUID for returning to the caller. |
|
$local_uuid = $host_uuid; |
|
$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { local_uuid => $local_uuid }}); |
|
|
|
# Re-read the new config. |
|
$anvil->Storage->read_config({file => $anvil->data->{path}{configs}{'anvil.conf'}}); |
|
} |
|
|
|
return($local_uuid); |
|
} |
|
|
|
|