Issue 3211 - Integrate customservice::supervisor with notification daemon

modules/customservice/manifests/supervisor.pp

+# == Type: customservice::supervisor
+#
+# Periodically check for and revive dead service processes.
+#
+# === Parameters:
+#
+# [*ensure*]
+#   Whether to ensure the service record being 'present' or not within
+#   the list of services recognized by the supervisor.
+#
+# [*name*]
+#   The $name of the service, matching it's name in the init system, i.e.
+#   the init-script's basename. Defaults to $title.
+#
+# [*pidfile*]
+#   The path to the process ID file associated with the service, if present.
+#
+# === Examples:
+#
+#   customservice::supervisor {'example':
+#     name => 'sshd',
+#     ensure => 'present',
+#   }
+#
+#   customservice::supervisor {'spawn-fcgi':
+#     pidfile => '/var/run/500-example_spawn-fcgi.pid',
+#   }
+#
+define customservice::supervisor (
+  $ensure = 'present',
+  $pidfile = "/var/run/$name.pid"
+) {
+
+  include sitescripts
+
+  $config = '/etc/customservice_supervisor.ini'
+  $module = 'sitescripts.management.bin.start_services'
+  $target = 'customservice::supervisor'
+
+  ensure_resource('concat', $target, {
+    path => $config,
+  })
+
+  ensure_resource('concat::fragment', $target, {
+    content => "[keep_alive_services]\n",
+    order => 0,
+    target => $target,
+  })
+
+  ensure_resource('cron', $target, {
+    command => "SITESCRIPTS_CONFIG=$config python -m $module",
+    environment => concat(hiera('cron::environment', []), [
+      'PYTHONPATH=/opt/sitescripts',
+    ]),
+    require => [
+      Class['sitescripts'],
+      Concat::Fragment[$target],
+    ],
+  })
+
+  concat::fragment {"$target#$name":
+    content => "$name = $pidfile\n",
+    ensure => $ensure ? {
+      /^(absent|purged)$/ => 'absent',
+      default => 'present',
+    },
+    order => 1,
+    target => $target,
+  }
+}