Add object Dependency (#65)

* added documentation for dependency objects

* added module for object depenendy

* added tests for module dependency

Closes #20 

Co-authored-by: Thilo W <mkayontour@gmail.com>

doc/objects.md

@@ -240,7 +240,7 @@ icinga2_objects:
       - host.address
 ```
 
-#### Service Apply for 
+#### Service Apply for
 
 ```
 [...]
@@ -415,3 +415,20 @@ icinga2_objects:
       -S:
         set_if: $http_ssl$
 ```
+
+#### Dependency
+
+```
+- name: dependency-to-host
+  type: Dependency
+  apply: true
+  apply_target: Host
+  file: zones.d/main/dependencies.conf
+  parent_host_name: router.localdomain
+  disable_checks: true
+  disable_notifications: true
+  states:
+    - Up
+  assign:
+    - host.name == agent.localdomain
+```

molecule/default/host_vars/icinga-default.yaml

@@ -1,5 +1,17 @@
 icinga2_objects:
   icinga-default:
+    - name: dependency-test
+      type: Dependency
+      file: zones.d/main/dependencies.conf
+      apply: true
+      apply_target: Host
+      parent_host_name: agent.localdomain
+      disable_checks: true
+      disable_notifications: true
+      states:
+        - Up
+      assign:
+        - host.name == test.localdomain
     - name: agent.localdomain
       type: Endpoint
       file: zones.d/main/hosts/agent.localdomain.conf

molecule/default/tests/integration/test_dependencies.py

@@ -0,0 +1,17 @@
+def test_icinga2_object_host(host):
+    i2_file = host.file("/etc/icinga2/zones.d/main/dependencies.conf")
+    print(i2_file.content_string)
+    assert i2_file.is_file
+    assert i2_file.contains('apply Dependency "dependency-test" to Host {')
+    assert i2_file.contains('disable_checks = true')
+    assert i2_file.contains('states = [ Up, ]\n')
+    assert i2_file.contains('parent_host_name = "agent.localdomain"')
+    assert i2_file.contains('assign where host.name == "test.localdomain"')
+    if host.system_info.distribution == 'centos':
+      assert i2_file.user == "icinga"
+      assert i2_file.group == "icinga"
+      assert i2_file.mode == 0o644
+    if host.system_info.distribution == 'debian':
+      assert i2_file.user == "nagios"
+      assert i2_file.group == "nagios"
+      assert i2_file.mode == 0o644

plugins/modules/icinga2_dependency.py

@@ -0,0 +1,44 @@
+#!/usr/bin/python
+
+from ansible.module_utils.basic import AnsibleModule
+
+def main():
+    module = AnsibleModule(
+        supports_check_mode=True,
+        argument_spec = dict(
+            state                 = dict(default='present', choices=['present', 'absent']),
+            name                  = dict(required=True),
+            order                 = dict(default=10, type='int'),
+            file                  = dict(required=True, type='str'),
+            template              = dict(default=False, type='bool'),
+            imports               = dict(default=list(), type='list', elements='str'),
+            apply                 = dict(default=False, type='bool'),
+            apply_target          = dict(type='str'),
+            parent_host_name      = dict(type='str'),
+            parent_service_name   = dict(type='str'),
+            child_host_name       = dict(type='str'),
+            child_service_name    = dict(type='str'),
+            disable_checks        = dict(type='bool'),
+            disable_notifications = dict(type='bool'),
+            ignore_soft_states    = dict(type='bool'),
+            period                = dict(type='str'),
+            states                = dict(type='list', elements='str'),
+            assign                = dict(default=list(), type='list', elements='str'),
+            ignore                = dict(default=list(), type='list', elements='str'),
+        )
+    )
+
+    args = module.params
+    name = args.pop('name')
+    order = args.pop('order')
+    state = args.pop('state')
+    file = args.pop('file')
+    template = args.pop('template')
+    imports = args.pop('imports')
+    apply = args.pop('apply')
+    apply_target = args.pop('apply_target')
+
+    module.exit_json(changed=False, args=args, name=name, order=str(order), state=state, file=file, template=template, imports=imports, apply=apply, apply_target=apply_target)
+
+if __name__ == '__main__':
+    main()

roles/icinga2/vars/main.yml

@@ -92,6 +92,7 @@ icinga2_object_types:
   - IcingaApplication
   - ApiUser
   - CheckCommand
+  - Dependency
   - Notification
   - NotificationCommand
   - User