fix: bug in check command template

CHANGELOG.md

@@ -11,6 +11,7 @@ Which is based on [Keep A Changelog](http://keepachangelog.com/)
 
 ### Fixed
 
+- bug in check command template
 - bug in user template
 - add multiple value type in service vars
 

templates/check_commands.conf.j2

@@ -2,8 +2,11 @@
 {% for name, command in icinga2_check_commands.items() %}
 
 object CheckCommand "{{ name }}" {
+{% if command is not string %}
+  command = ["{{ command.command | join('", "') }}"]
+{% else %}
   command = {{ command.command }}
-
+{% endif %}
 {% if command.arguments is defined %}
 
   arguments = {
@@ -26,7 +29,7 @@ object CheckCommand "{{ name }}" {
 {% endif %}
 {% if command.vars is defined %}
 
-  var = {
+  vars = {
 {% for var, value in command.vars.items() %}
     {{ var }} = {% if value is number %}{{ value }}{% else %}"{{ value }}"{% endif %}
 
@@ -62,7 +65,7 @@ object EventCommand "{{ name }}" {
 {% endif %}
 {% if command.vars is defined %}
 
-  var = {
+  vars = {
 {% for var, value in command.vars.items() %}
     {{ var }} = {% if value is number %}{{ value }}{% else %}"{{ value }}"{% endif %}