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   - exec: rm -fr /shared/postgres_run/.s*
  41   - exec: rm -fr /shared/postgres_run/*.pid
  42   - file:
  43      path: /etc/service/postgres/run
  44      chmod: "+x"
  45      contents: |
  46         #!/bin/sh
  47         exec 2>&1
  48         exec sudo -u postgres /usr/lib/postgresql/9.3/bin/postmaster -D /etc/postgresql/9.3/main
  49   - file:
  50      path: /root/upgrade_postgres
  51      chmod: "+x"
  52      contents: |
  53        #!/bin/bash
  54        if [ "9.2" = `cat /shared/postgres_data/PG_VERSION` ]; then
  55          echo Upgrading PostgreSQL to from version 9.2 to 9.3
  56          rm -fr /shared/postgres_data_new
  57          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
  58          apt-get update
  59          apt-get install -y postgresql-9.2
  60          /etc/init.d/postgresql stop
  61          rm -fr /shared/postgres_data/postmaster.pid
  62          cd ~postgres
  63          cp /etc/postgresql/9.2/main/*.conf /shared/postgres_data
  64          echo  >> /shared/postgres_data/postgresql.conf
  65          echo "data_directory = '/shared/postgres_data'" >> /shared/postgres_data/postgresql.conf
  66          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
  67
  68          mv /shared/postgres_data /shared/postgres_data_old
  69          mv /shared/postgres_data_new /shared/postgres_data
  70
  71          echo -------------------------------------------------------------------------------------
  72          echo UPGRADE OF POSTGRES COMPLETE
  73          echo
  74          echo Old 9.2 database is stored at /shared/postgres_data_old
  75          echo
  76          echo Please run "./launcher bootstrap" again
  77          echo -------------------------------------------------------------------------------------
  78          exit 1
  79        fi
  80   - exec:
  81       cmd:
  82         - chown -R root /var/lib/postgresql/9.3/main
  83         - "[ ! -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"
  84         - chown -R postgres:postgres /shared/postgres_data
  85         - chown -R postgres:postgres /var/run/postgresql
  86
  87   - exec: /root/upgrade_postgres
  88   - replace:
  89       filename: "/etc/postgresql/9.3/main/postgresql.conf"
  90       from: "data_directory = '/var/lib/postgresql/9.3/main'"
  91       to: "data_directory = '/shared/postgres_data'"
  92
  93   # listen on all interfaces
  94   - replace:
  95       filename: "/etc/postgresql/9.3/main/postgresql.conf"
  96       from: /#?listen_addresses *=.*/
  97       to: "listen_addresses = '*'"
  98
  99   # Necessary to enable backups
 100   - exec:
 101       cmd:
 102         - install -d -m 0755 -o postgres -g postgres /shared/postgres_backup
 103
 104   - replace:
 105       filename: "/etc/postgresql/9.3/main/postgresql.conf"
 106       from: /#?max_wal_senders *=.*/
 107       to: "max_wal_senders = 4"
 108
 109   - replace:
 110       filename: "/etc/postgresql/9.3/main/postgresql.conf"
 111       from: /#?wal_level *=.*/
 112       to: "wal_level = hot_standby"
 113
 114   - replace:
 115       filename: "/etc/postgresql/9.3/main/pg_hba.conf"
 116       from: /^#local +replication +postgres +peer$/
 117       to: "local replication postgres  peer"
 118
 119   # allow all to connect in with md5 auth
 120   - replace:
 121       filename: "/etc/postgresql/9.3/main/pg_hba.conf"
 122       from: /^host.*all.*all.*127.*$/
 123       to: "host all all 0.0.0.0/0 md5"
 124
 125   - exec:
 126       background: true
 127       cmd: "sudo -u postgres /usr/lib/postgresql/9.3/bin/postmaster -D /etc/postgresql/9.3/main"
 128
 129   # give db a few secs to start up
 130   - exec: "sleep 5"
 131
 132   - exec: sudo -u postgres createdb discourse || exit 0
 133   - exec:
 134       stdin: |
 135         create user discourse;
 136       cmd: sudo -u postgres psql discourse
 137       raise_on_fail: false
 138
 139   - exec:
 140       stdin: |
 141         grant all privileges on database discourse to discourse;
 142       cmd: sudo -u postgres psql discourse
 143       raise_on_fail: false
 144
 145   - exec: /bin/bash -c 'sudo -u postgres psql discourse <<< "alter schema public owner to discourse;"'
 146   - exec: /bin/bash -c 'sudo -u postgres psql discourse <<< "create extension if not exists hstore;"'
 147   - exec: /bin/bash -c 'sudo -u postgres psql discourse <<< "create extension if not exists pg_trgm;"'
 148
 149   - exec:
 150       hook: postgres
 151       cmd: "echo postgres installed!"