add service override file to allow config flags - https://gitlab.confdroid.com/internal/confdroid_management/-/issues/260

README.md

@@ -25,7 +25,6 @@ INSTALLATION
 CONFIGURATION
 
 * manage directories and files including templates
-* manages the main alloy jenkins for loki and prometheus
 * manage service
 
 ## Repo Documentation

manifests/main/dirs.pp

@@ -7,7 +7,7 @@ class prometheus_cd::main::dirs (
 ) inherits prometheus_cd::params {
   require prometheus_cd::main::install
   if ($ps_prom_host == $fqdn) and ($manage_prometheus == true)  {
-    # prometheus directors
+    # prometheus directory
     file { $ps_main_dir:
       ensure   => directory,
       owner    => 'root',
@@ -18,5 +18,16 @@ class prometheus_cd::main::dirs (
       seltype  => etc_t,
       seluser  => system_u,
     }
+    # service systemfile directory
+    file { $ps_system_file_dir:
+      ensure   => directory,
+      owner    => 'root',
+      group    => 'root',
+      mode     => '0755',
+      selrange => s0,
+      selrole  => object_r,
+      seltype  => systemd_unit_file_t,
+      seluser  => unconfined_u,
+    }
   }
 }

manifests/main/files.pp

@@ -5,8 +5,8 @@
 ##############################################################################
 class prometheus_cd::main::files (
 ) inherits prometheus_cd::params {
-  require prometheus_cd::main::dirs
-  if ($ps_prom_host == $fqdn) and ($manage_prometheus == true)  {
+    if ($ps_prom_host == $fqdn) and ($manage_prometheus == true)  {
+    require prometheus_cd::main::dirs
     file { $ps_main_file:
       ensure   => file,
       owner    => 'root',
@@ -19,5 +19,17 @@ class prometheus_cd::main::files (
       content  => template('prometheus_cd/prometheus.yml.erb'),
       notify   => Service[$ps_prom_service],
     }
+    file { $ps_system_service_file:
+      ensure   => file,
+      owner    => 'root',
+      group    => 'root',
+      mode     => '0644',
+      selrange => s0,
+      selrole  => object_r,
+      seltype  => systemd_unit_file_t,
+      seluser  => unconfined_u,
+      content  => template('prometheus_cd/override.conf.erb'),
+      notify   => Service[$ps_prom_service],
+    }
   }
 }

manifests/params.pp

@@ -44,9 +44,11 @@ class prometheus_cd::params (
 
   # dirs
   $ps_main_dir            = '/etc/prometheus'
+  $ps_system_file_dir     = '/etc/systemd/system/prometheus.service.d'
 
   # files
   $ps_main_file           = "${ps_main_dir}/prometheus.yml"
+  $ps_system_service_file = "${ps_system_file_dir}/override.conf"
 
   # services
   $ps_prom_service        = 'prometheus'

templates/override.conf.erb.erb

@@ -0,0 +1,10 @@
+##############################################################################
+#####    File created by Puppet - manual changes will be overwritten      #####
+###############################################################################
+[Service]
+ExecStart=
+ExecStart=/usr/bin/prometheus \
+  --config.file=/etc/prometheus/prometheus.yml \
+  --storage.tsdb.path=/var/lib/prometheus \
+  --web.enable-remote-write-receiver \
+  --web.enable-lifecycle