hooks:
  before_code:
    - replace:
       filename: /etc/service/unicorn/run
       from: "# postgres"
       to: sv start postgres || exit 1

run:
  - exec: mkdir -p /shared/postgres_run
  - exec: chown postgres:postgres /shared/postgres_run
  - exec: chmod 775 /shared/postgres_run
  - exec: rm -fr /var/run/postgresql
  - exec: ln -s /shared/postgres_run /var/run/postgresql
  - exec: socat /dev/null UNIX-CONNECT:/shared/postgres_run/.s.PGSQL.5432 || exit 0 && echo postgres already running stop container ; exit 1
  - exec: rm -fr /shared/postgres_run/.s*
  - exec: rm -fr /shared/postgres_run/*.pid
  - exec: mkdir -p /shared/postgres_run/9.3-main.pg_stat_tmp
  - exec: chown postgres:postgres /shared/postgres_run/9.3-main.pg_stat_tmp
  - file:
     path: /etc/service/postgres/run
     chmod: "+x"
     contents: |
        #!/bin/sh
        exec 2>&1
        echo -1000 >/proc/self/oom_score_adj
        HOME=/var/lib/postgresql USER=postgres exec chpst -u postgres:postgres:ssl-cert -U postgres:postgres:ssl-cert /usr/lib/postgresql/9.3/bin/postmaster -D /etc/postgresql/9.3/main

  - file:
     path: /etc/runit/3.d/99-postgres
     chmod: "+x"
     contents: |
       #!/bin/bash
       sv stop postgres

  - exec:
      cmd:
        - chown -R root /var/lib/postgresql/9.3/main
        - "[ ! -e /shared/postgres_data ] && install -d -m 0755 -o postgres -g postgres /shared/postgres_data && sudo -E -u postgres /usr/lib/postgresql/9.3/bin/initdb -D /shared/postgres_data || exit 0"
        - chown -R postgres:postgres /shared/postgres_data
        - chown -R postgres:postgres /var/run/postgresql

  - replace:
      filename: "/etc/postgresql/9.3/main/postgresql.conf"
      from: "data_directory = '/var/lib/postgresql/9.3/main'"
      to: "data_directory = '/shared/postgres_data'"

  # listen on all interfaces
  - replace:
      filename: "/etc/postgresql/9.3/main/postgresql.conf"
      from: /#?listen_addresses *=.*/
      to: "listen_addresses = '*'"

  - replace:
      filename: "/etc/postgresql/9.3/main/pg_hba.conf"
      from: /^#local +replication +postgres +peer$/
      to: "local replication postgres  peer"

  # allow all to connect in with md5 auth
  - replace:
      filename: "/etc/postgresql/9.3/main/pg_hba.conf"
      from: /^host.*all.*all.*127.*$/
      to: "host all all 0.0.0.0/0 md5"

  - exec:
      background: true
      # use fast shutdown for pg
      stop_signal: INT
      cmd: HOME=/var/lib/postgresql USER=postgres exec chpst -u postgres:postgres:ssl-cert -U postgres:postgres:ssl-cert /usr/lib/postgresql/9.3/bin/postmaster -D /etc/postgresql/9.3/main

  # give db a few secs to start up
  - exec: "sleep 5"

  - exec:
      hook: postgres
      cmd: "echo postgres installed!"