OP#189 add the services

.vscode/settings.json

@@ -6,6 +6,7 @@
         "GOMAXPROCS",
         "Iseconds",
         "nullglob",
+        "oneshot",
         "PGDATABASE",
         "PGHOST",
         "PGPASSWORD",
@@ -13,7 +14,9 @@
         "PGUSER",
         "pipefail",
         "procs",
+        "prun",
         "readaccess",
+        "refreshonly",
         "reqpackage",
         "rpms",
         "shopt",

manifests/main/config.pp

@@ -6,4 +6,10 @@
 class prometheus_cd::main::config (
 ) inherits prometheus_cd::params {
   include prometheus_cd::main::service
+
+  exec { 'systemd-daemon-reload':
+    command     => '/bin/systemctl daemon-reload',
+    path        => ['/bin', '/usr/bin'],
+    refreshonly => true,
+  }
 }

manifests/main/files.pp

@@ -66,18 +66,44 @@ class prometheus_cd::main::files (
         seltype  => usr_,
         seluser  => unconfined_u,
         content  => template('prometheus_cd/prune.env.erb'),
-        # notify Service ToDo,
+      }
+      file { $ps_pruning_svc_file:
+        ensure   => file,
+        owner    => 'root',
+        group    => 'root',
+        mode     => '0644',
+        selrange => s0,
+        selrole  => object_r,
+        seltype  => systemd_unit_file_t,
+        seluser  => unconfined_u,
+        content  => template('prometheus_cd/prometheus-prune-service.erb'),
+        notify   => Exec['systemd-daemon-reload'],
+      }
+      file { $ps_pruning_timer_file:
+        ensure   => file,
+        owner    => 'root',
+        group    => 'root',
+        mode     => '0644',
+        selrange => s0,
+        selrole  => object_r,
+        seltype  => systemd_unit_file_t,
+        seluser  => unconfined_u,
+        content  => template('prometheus_cd/prometheus-prune-timer.erb'),
+        notify   => Exec['systemd-daemon-reload'],
       }
     }
 
     if $ps_enable_pruning == false {
       file { $ps_pruning_file:
         ensure => absent,
-        # notify Service ToDo,
+        notify => Exec['systemd-daemon-reload'],
       }
       file { $ps_env_file:
         ensure   => absent,
-        # notify Service ToDo,
+      }
+      file { $ps_pruning_svc_file:
+        ensure => absent,
+        notify => Exec['systemd-daemon-reload'],
       }
     }
   }

manifests/main/service.pp

@@ -23,4 +23,28 @@ class prometheus_cd::main::service (
       enable     => true,
     }
   }
+  if $ps_enable_pruning == true {
+    service { $ps_prune_service:
+      ensure     => running,
+      hasstatus  => true,
+      hasrestart => true,
+      enable     => true,
+    }
+    service { $ps_prune_timer:
+      ensure     => running,
+      hasstatus  => true,
+      hasrestart => true,
+      enable     => true,
+    }
+  }
+  if $ps_enable_pruning == false {
+    service { $ps_prune_service:
+      ensure => stopped,
+      enable => true,
+    }
+    service { $ps_prune_timer:
+      ensure => stopped,
+      enable => true,
+    }
+  }
 }

manifests/params.pp

@@ -109,15 +109,20 @@ class prometheus_cd::params (
   # dirs
   $ps_main_dir            = '/etc/prometheus'
   $ps_system_file_dir     = '/etc/systemd/system/prometheus.service.d'
+  $ps_system_dir          = '/etc/systemd/system/'
 
   # files
   $ps_main_file           = "${ps_main_dir}/prometheus.yml"
   $ps_web_config_file     = "${ps_main_dir}/web.yml"
   $ps_system_service_file = "${ps_system_file_dir}/override.conf"
+  $ps_pruning_svc_file    = "${ps_system_dir}/prometheus-prune.service"
+  $ps_pruning_timer_file  = "${ps_system_dir}/prometheus-prune.timer"
 
   # services
   $ps_prom_service        = 'prometheus'
   $ps_ne_service          = 'node_exporter'
+  $ps_prune_service       = 'prometheus-prune.service'
+  $ps_prune_timer         = 'prometheus-prune.timer'
 
   # includes must be last
   include prometheus_cd::main::config

templates/prometheus-orune-timer.erb

@@ -0,0 +1,10 @@
+[Unit]
+Description=Run Prometheus TSDB prune script every 6 hours
+
+[Timer]
+OnBootSec=10min
+OnUnitActiveSec=6h
+Persistent=true
+
+[Install]
+WantedBy=timers.target

templates/prometheus-prune-service.erb

@@ -0,0 +1,13 @@
+[Unit]
+Description=Prometheus TSDB prune service
+Wants=network-online.target
+After=network-online.target
+
+[Service]
+Type=oneshot
+User=prometheus
+Group=prometheus
+EnvironmentFile=<%= @ps_env_file %>
+ExecStart=<%= @ps_pruning_file %>
+Nice=10
+IOWeight=80