Do not send GSE to Nagios when activate_alerting=false

DocImpact
blueprint: alarming-refactoring

Change-Id: Ie343672afd4a222a3d7f920182a0b2e90e1fd6de

deployment_scripts/puppet/modules/fuel_lma_collector/templates/clusters.yaml.erb

@@ -115,6 +115,8 @@ lma_collector:
     output_metric_name: cluster_service_status
     interval: 10
     warm_up_period: 20
+    enable_notification: false
+    activate_alerting: true
     clusters:
       nova-logs:
         policy: highest_severity
@@ -440,6 +442,8 @@ lma_collector:
     output_metric_name: cluster_node_status
     interval: 10
     warm_up_period: 80
+    enable_notification: false
+    activate_alerting: true
     clusters:
       controller:
         policy: majority_of_members
@@ -536,6 +540,8 @@ lma_collector:
     output_metric_name: cluster_status
     interval: 10
     warm_up_period: 30
+    enable_notification: true
+    activate_alerting: true
     clusters:
       mysql:
         policy: highest_severity

deployment_scripts/puppet/modules/lma_collector/README.md

@@ -1097,6 +1097,10 @@ in Heka.
 * `warm_up_period`: *Optional*. Number of seconds after a (re)start that the
   GSE plugin will wait before emitting its metric messages. Valid options: an
   integer. Default: undef.
+* `enable_notification`: *Optional*. Whether or not enable notifications in the
+  alerting system. Valid options: a boolean. Default: true.
+* `activate_alerting`: *Optional*. Whether or not configure alerting system
+  for all clusters. Valid options: a boolean. Default: true.
 
 #### Define `lma_collector::gse_nagios`
 

deployment_scripts/puppet/modules/lma_collector/files/plugins/common/gse.lua

@@ -125,7 +125,7 @@ end
 
 -- compute the cluster metric and inject it into the Heka pipeline
 -- the metric's value is computed using the status of its members
-function inject_cluster_metric(msg_type, cluster_name, metric_name, interval, source)
+function inject_cluster_metric(msg_type, cluster_name, metric_name, interval, source, to_alerting)
     local payload
     local status, alarms = resolve_status(cluster_name)
 
@@ -139,6 +139,11 @@ function inject_cluster_metric(msg_type, cluster_name, metric_name, interval, so
         payload = '{"alarms":[]}'
     end
 
+    local no_alerting
+    if to_alerting ~= nil and to_alerting == false then
+        no_alerting = true
+    end
+
     local msg = {
         Type = msg_type,
         Payload = payload,
@@ -149,6 +154,7 @@ function inject_cluster_metric(msg_type, cluster_name, metric_name, interval, so
             tag_fields={'cluster_name'},
             interval=interval,
             source=source,
+            no_alerting=no_alerting,
         }
     }
     lma.inject_tags(msg)

deployment_scripts/puppet/modules/lma_collector/files/plugins/filters/gse_cluster_filter.lua

@@ -29,6 +29,7 @@ local interval = (read_config('interval') or error('interval must be specified!'
 local interval_in_ns = interval * 1e9
 local max_inject = (read_config('max_inject') or 10) + 0
 local warm_up_period = ((read_config('warm_up_period') or 0) + 0) * 1e9
+local activate_alerting = read_config('activate_alerting') or true
 
 local is_active = false
 local first_tick
@@ -122,7 +123,8 @@ function timer_event(ns)
                 cluster_name,
                 output_metric_name,
                 interval,
-                source
+                source,
+                activate_alerting
             )
             last_index = i
             injected = injected + 1

deployment_scripts/puppet/modules/lma_collector/manifests/gse_cluster_filter.pp

@@ -21,6 +21,8 @@ define lma_collector::gse_cluster_filter (
   $cluster_field = undef,
   $clusters = {},
   $warm_up_period = undef,
+  $enable_notification = true,
+  $activate_alerting = true,
   $ensure = present,
 ) {
   include lma_collector::params
@@ -66,6 +68,8 @@ define lma_collector::gse_cluster_filter (
       member_field        => $member_field,
       max_inject          => $lma_collector::params::hekad_max_timer_inject,
       warm_up_period      => $warm_up_period,
+      enable_notification => $enable_notification,
+      activate_alerting   => $activate_alerting,
     },
     module_directory => $lua_modules_dir,
     require          => File[$topology_file],

deployment_scripts/puppet/modules/lma_collector/manifests/gse_nagios.pp

@@ -50,7 +50,7 @@ define lma_collector::gse_nagios (
     ensure            => $ensure,
     config_dir        => $lma_collector::params::metric_config_dir,
     url               => $url,
-    message_matcher   => "Type == 'heka.sandbox.${message_type}'",
+    message_matcher   => "Type == 'heka.sandbox.${message_type}' && Fields[no_alerting] == NIL",
     username          => $user,
     password          => $password,
     encoder           => "nagios_gse_${title}",