bin/check-cloudwatch-alarms.rb in sensu-plugins-aws-18.5.0 vs bin/check-cloudwatch-alarms.rb in sensu-plugins-aws-18.6.0

@@ -14,12 +14,13 @@
 # DEPENDENCIES:
 #   gem: aws-sdk
 #   gem: sensu-plugin
 #
 # USAGE:
+#   ./check-cloudwatch-alarms --name-prefix "staging"
 #   ./check-cloudwatch-alarms --exclude-alarms "CPUAlarmLow"
-#   ./check-cloudwatch-alarms --region eu-west-1 --exclude-alarms "CPUAlarmLow"
+#   ./check-cloudwatch-alarms --aws-region eu-west-1 --exclude-alarms "CPUAlarmLow"
 #
 # NOTES:
 #
 # LICENSE:
 #   Copyright (c) 2017, Olivier Bazoud, [e-mail]
@@ -44,10 +45,16 @@
          description: 'State of the alarm',
          short: '-s STATE',
          long: '--state STATE',
          default: 'ALARM'
 
+  option :name_prefix,
+         description: 'Alarm name prefix',
+         short: '-p NAME_PREFIX',
+         long: '--name-prefix NAME_PREFIX',
+         default: ''
+
   option :exclude_alarms,
          description: 'Exclude alarms',
          short: '-e EXCLUDE_ALARMS',
          long: '--exclude-alarms',
          proc: proc { |a| a.split(',') },
@@ -55,9 +62,14 @@
 
   def run
     client = Aws::CloudWatch::Client.new
 
     options = { state_value: config[:state] }
+
+    unless config[:name_prefix].empty?
+      options[:alarm_name_prefix] = config[:name_prefix]
+    end
+
     alarms = client.describe_alarms(options).metric_alarms
 
     if alarms.empty?
       ok "No alarms in '#{config[:state]}' state"
     end