Suffix Nagios host with the environment_label dimension
diff --git a/heka/files/lua/encoders/status_nagios.lua b/heka/files/lua/encoders/status_nagios.lua
index 9957f70..dd4d73e 100644
--- a/heka/files/lua/encoders/status_nagios.lua
+++ b/heka/files/lua/encoders/status_nagios.lua
@@ -19,6 +19,11 @@
 local lma = require 'lma_utils'
 local interp = require "msg_interpolate"
 
+local host_suffix_dimension_field
+if read_config('host_suffix_dimension_key') then
+    host_suffix_dimension_field = string.format('Fields[%s]', read_config('host_suffix_dimension_key'))
+end
+
 -- These 2 configurations are used only to encode GSE messages
 local default_host = read_config('default_nagios_host')
 local host_dimension_key = read_config('nagios_host_dimension_key')
@@ -64,12 +69,21 @@
         return -1
     end
 
+    local host
     if host_dimension_key then
-        data['host'] = read_message(string.format('Fields[%s]', host_dimension_key)) or default_host
+        host = read_message(string.format('Fields[%s]', host_dimension_key)) or default_host
     else
-        data['host'] = read_message('Fields[hostname]') or read_message('Hostname')
+        host = read_message('Fields[hostname]') or read_message('Hostname')
     end
 
+    if host_suffix_dimension_field then
+        local suffix = read_message(host_suffix_dimension_field)
+        if suffix then
+            host = host .. '.' .. suffix
+        end
+    end
+    data['host'] = host
+
     data['service'] = service_name
     data['plugin_state'] = nagios_state_map[status]
 
diff --git a/heka/meta/heka.yml b/heka/meta/heka.yml
index d9df152..c37929c 100644
--- a/heka/meta/heka.yml
+++ b/heka/meta/heka.yml
@@ -103,7 +103,8 @@
       engine: sandbox
       module_file: /usr/share/lma_collector/encoders/status_nagios.lua
       module_dir: /usr/share/lma_collector/common;/usr/share/heka/lua_modules
-  {%- endif %}
+      config:
+        host_suffix_dimension_key: environment_label
 {%- endif %}
 {%- if metric_collector.influxdb_host is defined or metric_collector.aggregator_host is defined or metric_collector.nagios_host is defined %}
   output:
@@ -439,6 +440,7 @@
       module_file: /usr/share/lma_collector/encoders/status_nagios.lua
       module_dir: /usr/share/lma_collector/common;/usr/share/heka/lua_modules
       config:
+        host_suffix_dimension_key: environment_label
         default_nagios_host: "{{ aggregator.nagios_default_host_alarm_clusters }}"
         {%- if aggregator.nagios_host_dimension_key is defined %}
         nagios_host_dimension_key: "{{ aggregator.nagios_host_dimension_key }}"