modules/postgres/manifests/backup_server.pp

   1 #
   2 class postgres::backup_server {
   3   include postgres::backup_server::globals
   4
   5   ensure_packages ( [
   6     'libhash-merge-simple-perl',
   7     'libyaml-perl',
   8     'python-yaml',
   9     'pigz',
  10     'postgresql-client',
  11     'postgresql-client-9.6',
  12   ], {
  13     ensure => 'installed'
  14   })
  15
  16   ####
  17   # Regularly pull base backups
  18   #
  19   concat { $postgres::backup_server::globals::make_base_backups:
  20     mode => '0555',
  21   }
  22   concat::fragment { 'make-base-backups-header':
  23     target => $postgres::backup_server::globals::make_base_backups,
  24     content => template('postgres/backup_server/postgres-make-base-backups.erb'),
  25     order  => '00',
  26   }
  27   Concat::Fragment <<| tag == $postgres::backup_server::globals::tag_base_backup |>>
  28   concat::fragment { 'make-base-backups-tail':
  29     target => $postgres::backup_server::globals::make_base_backups,
  30     content  => @(EOTEMPLATE),
  31         # EOF by make-base-backups-tail fragment
  32         EOF
  33         | EOTEMPLATE
  34     order  => '99',
  35   }
  36   file { '/etc/cron.d/puppet-postgres-make-base-backups': ensure => absent; }
  37   file { '/var/lib/dsa/postgres-make-base-backups':
  38     ensure => directory,
  39     owner => 'debbackup',
  40     mode => '0755',
  41   }
  42   concat::fragment { 'dsa-puppet-stuff--postgres-make_base_backups':
  43     target => '/etc/cron.d/dsa-puppet-stuff',
  44     content  => @("EOF")
  45       */30 * * * * debbackup sleep $(( RANDOM \% 1200 )); chronic ${$postgres::backup_server::globals::make_base_backups}
  46       | EOF
  47   }
  48
  49   ####
  50   # Maintain authorized_keys file on backup servers for WAL shipping
  51   #
  52   # do not let other hosts directly build our authorized_keys file,
  53   # instead go via a script that somewhat validates intput
  54   file { '/etc/dsa/postgresql-backup':
  55     ensure => 'directory',
  56   }
  57   file { '/usr/local/bin/postgres-make-backup-sshauthkeys':
  58     content => template('postgres/backup_server/postgres-make-backup-sshauthkeys.erb'),
  59     mode   => '0555',
  60     notify  => Exec['postgres-make-backup-sshauthkeys'],
  61   }
  62   file { '/usr/local/bin/postgres-make-one-base-backup':
  63     source  => 'puppet:///modules/postgres/backup_server/postgres-make-one-base-backup',
  64     mode   => '0555'
  65   }
  66   file { '/etc/dsa/postgresql-backup/sshkeys-manual':
  67     content => template('postgres/backup_server/sshkeys-manual.erb'),
  68     notify  => Exec['postgres-make-backup-sshauthkeys'],
  69   }
  70   concat { $postgres::backup_server::globals::sshkeys_sources:
  71     notify  => Exec['postgres-make-backup-sshauthkeys'],
  72   }
  73   concat::fragment { 'postgresql-backup/source-sshkeys-header':
  74     target => $postgres::backup_server::globals::sshkeys_sources ,
  75     content  => @(EOF),
  76         # <name> <ip addresses> <key>
  77         | EOF
  78     order  => '00',
  79   }
  80   Concat::Fragment <<| tag == $postgres::backup_server::globals::tag_source_sshkey |>>
  81   exec { "postgres-make-backup-sshauthkeys":
  82     command => "/usr/local/bin/postgres-make-backup-sshauthkeys",
  83     refreshonly => true,
  84   }
  85
  86   ####
  87   # Maintain /etc/nagios/dsa-check-backuppg.conf
  88   #
  89   file { '/etc/dsa/postgresql-backup/dsa-check-backuppg.conf.d':
  90     ensure => 'directory',
  91     purge   => true,
  92     force   => true,
  93     recurse => true,
  94     source  => 'puppet:///files/empty/',
  95     notify => Exec['update dsa-check-backuppg-manual.conf'],
  96   }
  97   file { '/etc/dsa/postgresql-backup/dsa-check-backuppg.conf.d/manual.conf':
  98     content => template('postgres/backup_server/dsa-check-backuppg-manual.conf.erb'),
  99     notify => Exec['update dsa-check-backuppg-manual.conf']
 100   }
 101   File<<| tag == $postgres::backup_server::globals::tag_dsa_check_backupp |>>
 102   exec { "update dsa-check-backuppg-manual.conf":
 103     command  => @(EOF),
 104         perl -MYAML=LoadFile,Dump -MHash::Merge::Simple=merge -E 'say Dump(merge(map{LoadFile($_)}@ARGV))' /etc/dsa/postgresql-backup/dsa-check-backuppg.conf.d/*.conf > /etc/nagios/dsa-check-backuppg.conf
 105         | EOF
 106     provider => shell,
 107     refreshonly => true,
 108   }
 109
 110   ####
 111   # Maintain .pgpass file on backup servers
 112   # #
 113   concat { $postgres::backup_server::globals::pgpassfile:
 114     owner => 'debbackup',
 115     group => 'debbackup',
 116     mode  => '0400'
 117   }
 118   concat::fragment{ 'pgpass-local':
 119     target => $postgres::backup_server::globals::pgpassfile,
 120     source => '/home/debbackup/.pgpass-local',
 121     order  => '00'
 122   }
 123   Concat::Fragment <<| tag == $postgres::backup_server::globals::tag_source_pgpassline |>>
 124 }