job "[[ .instance ]]-upgrade" {
[[- $c := merge .pg . ]]
[[ template "common/job_start" $c ]]
  type = "batch"

  meta {
    # Force job to be different for each execution
    run_uuid = "${uuidv4()}"
  }

[[- if (not $c.upgrade.enabled) ]]
  # Postgres upgrader not explicitely enabled
  # Add a constraint to ensure it can't run
  constraint {
    attribute = "${attr.kernel.name}"
    value     = "nonexistant"
  }
[[- end ]]

  group "upgrade" {
[[- $c := merge $c.upgrade $c ]]
[[ template "common/volumes" $c ]]

    network {
      mode = "bridge"
    }

    task "upgrade" {
      driver = "[[ $c.nomad.driver ]]"

      config {
[[ template "common/image" $c ]]
      }

      env {
        PG_FROM         = "[[ $c.from ]]"
        PG_TO           = "[[ $c.to ]]"
        PG_INITDB_OPTS  = "[[ range $idx, $opt := .pg.server.initdb ]]--[[ $opt | regexp.Replace ":(\\s+)" "$1" ]] [[ end ]]"
        PG_UPGRADE_OPTS = "[[ range $idx, $opt := $c.options ]]--[[ $opt | regexp.Replace ":(\\s+)" "$1" | regexp.Replace "\"" "\\\"" ]] [[ end ]]"
        DO_PG_UPGRADE   = "[[ $c.enabled | ternary "true" "false" ]]"
      }

      volume_mount {
        volume      = "data"
        destination = "/data"
      }

[[ template "common/resources" $c ]]
    }
  }
}