templates/postgres.template.yml

   1 hooks:
   2   after_cron:
   3     - file:
   4        path: /var/lib/postgresql/take-database-backup
   5        chown: postgres:postgres
   6        chmod: "+x"
   7        contents: |
   8           #!/bin/bash
   9           ID=db-$(date +%F_%T)
  10           FILENAME=/shared/postgres_backup/$ID.tar.gz
  11           pg_basebackup --format=tar --pgdata=- --xlog --gzip --label=$ID > $FILENAME
  12           echo $FILENAME
  13
  14     - file:
  15        path: /var/spool/cron/crontabs/postgres
  16        contents: |
  17           # m h  dom mon dow   command
  18           #MAILTO=?
  19           0 */4 * * * /var/lib/postgresql/take-database-backup
  20
  21   before_code:
  22     - replace:
  23        filename: /etc/service/sidekiq/run
  24        from: "# postgres"
  25        to: sv start postgres || exit 1
  26     - replace:
  27        filename: /etc/service/unicorn/run
  28        from: "# postgres"
  29        to: sv start postgres || exit 1
  30
  31 run:
  32   # temporary
  33   - exec: apt-get install -y socat
  34   - exec: mkdir -p /shared/postgres_run
  35   - exec: chown postgres:postgres /shared/postgres_run
  36   - exec: chmod 775 /shared/postgres_run
  37   - exec: rm -fr /var/run/postgresql
  38   - exec: ln -s /shared/postgres_run /var/run/postgresql
  39   - exec: socat /dev/null UNIX-CONNECT:/shared/postgres_run/.s.PGSQL.5432 || exit 0 && echo postgres already running stop container ; exit 1
  40   - file:
  41      path: /etc/service/postgres/run
  42      chmod: "+x"
  43      contents: |
  44         #!/bin/sh
  45         exec 2>&1
  46         exec sudo -u postgres /usr/lib/postgresql/9.3/bin/postmaster -D /etc/postgresql/9.3/main
  47   - file:
  48      path: /root/upgrade_postgres
  49      chmod: "+x"
  50      contents: |
  51        #!/bin/bash
  52        if [ "9.2" = `cat /shared/postgres_data/PG_VERSION` ]; then
  53          echo Upgrading PostgreSQL to from version 9.2 to 9.3
  54          rm -fr /shared/postgres_data_new
  55          install -d -m 0755 -o postgres -g postgres /shared/postgres_data_new && sudo -u postgres /usr/lib/postgresql/9.3/bin/initdb -D /shared/postgres_data_new || exit 0
  56          apt-get install -y postgresql-9.2
  57          cd ~postgres
  58          sudo -u postgres /usr/lib/postgresql/9.3/bin/pg_upgrade -d /shared/postgres_data -D /shared/postgres_data_new -b /usr/lib/postgresql/9.2/bin -B /usr/lib/postgresql/9.3/bin || exit 1
  59
  60          mv /shared/postgres_data /shared/postgres_data_old
  61          mv /shared/postgres_data_new /shared/postgres_data
  62
  63          echo -------------------------------------------------------------------------------------
  64          echo UPGRADE OF POSTGRES COMPLETE
  65          echo
  66          echo Old 9.2 database is stored at /shared/postgres_data_old
  67          echo
  68          echo Please run "./launcher bootstrap" again
  69          echo -------------------------------------------------------------------------------------
  70          exit 1
  71        fi
  72   - exec: /root/upgrade_postgres
  73   - exec:
  74       cmd:
  75         - chown -R root /var/lib/postgresql/9.3/main
  76         - "[ ! -e /shared/postgres_data ] && install -d -m 0755 -o postgres -g postgres /shared/postgres_data && sudo -u postgres /usr/lib/postgresql/9.3/bin/initdb -D /shared/postgres_data || exit 0"
  77         - chown -R postgres:postgres /shared/postgres_data
  78         - chown -R postgres:postgres /var/run/postgresql
  79
  80   - replace:
  81       filename: "/etc/postgresql/9.3/main/postgresql.conf"
  82       from: "data_directory = '/var/lib/postgresql/9.3/main'"
  83       to: "data_directory = '/shared/postgres_data'"
  84
  85   # listen on all interfaces
  86   - replace:
  87       filename: "/etc/postgresql/9.3/main/postgresql.conf"
  88       from: /#?listen_addresses *=.*/
  89       to: "listen_addresses = '*'"
  90
  91   # Necessary to enable backups
  92   - exec:
  93       cmd:
  94         - install -d -m 0755 -o postgres -g postgres /shared/postgres_backup
  95
  96   - replace:
  97       filename: "/etc/postgresql/9.3/main/postgresql.conf"
  98       from: /#?max_wal_senders *=.*/
  99       to: "max_wal_senders = 4"
 100
 101   - replace:
 102       filename: "/etc/postgresql/9.3/main/postgresql.conf"
 103       from: /#?wal_level *=.*/
 104       to: "wal_level = hot_standby"
 105
 106   - replace:
 107       filename: "/etc/postgresql/9.3/main/pg_hba.conf"
 108       from: /^#local +replication +postgres +peer$/
 109       to: "local replication postgres  peer"
 110
 111   # allow all to connect in with md5 auth
 112   - replace:
 113       filename: "/etc/postgresql/9.3/main/pg_hba.conf"
 114       from: /^host.*all.*all.*127.*$/
 115       to: "host all all 0.0.0.0/0 md5"
 116
 117   - exec:
 118       background: true
 119       cmd: "sudo -u postgres /usr/lib/postgresql/9.3/bin/postmaster -D /etc/postgresql/9.3/main"
 120
 121   # give db a few secs to start up
 122   - exec: "sleep 5"
 123
 124   - exec: sudo -u postgres createdb discourse || exit 0
 125   - exec:
 126       stdin: |
 127         create user discourse;
 128       cmd: sudo -u postgres psql discourse
 129       raise_on_fail: false
 130
 131   - exec:
 132       stdin: |
 133         grant all privileges on database discourse to discourse;
 134       cmd: sudo -u postgres psql discourse
 135       raise_on_fail: false
 136
 137   - exec: /bin/bash -c 'sudo -u postgres psql discourse <<< "alter schema public owner to discourse;"'
 138   - exec: /bin/bash -c 'sudo -u postgres psql discourse <<< "create extension if not exists hstore;"'
 139   - exec: /bin/bash -c 'sudo -u postgres psql discourse <<< "create extension if not exists pg_trgm;"'
 140
 141   - exec:
 142       hook: postgres
 143       cmd: "echo postgres installed!"