cloudstack: add new module cs_resourcelimit

cloud/cloudstack/cs_resourcelimit.py

@@ -0,0 +1,225 @@
+#!/usr/bin/python
+# -*- coding: utf-8 -*-
+#
+# (c) 2016, René Moser <mail@renemoser.net>
+#
+# This file is part of Ansible
+#
+# Ansible is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# Ansible is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
+
+DOCUMENTATION = '''
+---
+module: cs_resourcelimit
+short_description: Manages resource limits on Apache CloudStack based clouds.
+description:
+    - Manage limits of resources for domains, accounts and projects.
+version_added: "2.1"
+author: "René Moser (@resmo)"
+options:
+  resource_type:
+    description:
+      - Type of the resource.
+    required: true
+    choices:
+      - instance
+      - ip_address
+      - volume
+      - snapshot
+      - template
+      - network
+      - vpc
+      - cpu
+      - memory
+      - primary_storage
+      - secondary_storage
+    aliases: [ 'type' ]
+  limit:
+    description:
+      - Maximum number of the resource.
+      - Default is unlimited C(-1).
+    required: false
+    default: -1
+    aliases: [ 'max' ]
+  domain:
+    description:
+      - Domain the resource is related to.
+    required: false
+    default: null
+  account:
+    description:
+      - Account the resource is related to.
+    required: false
+    default: null
+  project:
+    description:
+      - Name of the project the resource is related to.
+    required: false
+    default: null
+extends_documentation_fragment: cloudstack
+'''
+
+EXAMPLES = '''
+# Update a resource limit for instances of a domain
+local_action:
+  module: cs_resourcelimit
+  type: instance
+  limit: 10
+  domain: customers
+
+# Update a resource limit for instances of an account
+local_action:
+  module: cs_resourcelimit
+  type: instance
+  limit: 12
+  account: moserre
+  domain: customers
+'''
+
+RETURN = '''
+---
+recource_type:
+  description: Type of the resource
+  returned: success
+  type: string
+  sample: instance
+limit:
+  description: Maximum number of the resource.
+  returned: success
+  type: int
+  sample: -1
+domain:
+  description: Domain the resource is related to.
+  returned: success
+  type: string
+  sample: example domain
+account:
+  description: Account the resource is related to.
+  returned: success
+  type: string
+  sample: example account
+project:
+  description: Project the resource is related to.
+  returned: success
+  type: string
+  sample: example project
+'''
+
+try:
+    from cs import CloudStack, CloudStackException, read_config
+    has_lib_cs = True
+except ImportError:
+    has_lib_cs = False
+
+# import cloudstack common
+from ansible.module_utils.cloudstack import *
+
+RESOURCE_TYPES = {
+    'instance':             0,
+    'ip_address':           1,
+    'volume':               2,
+    'snapshot':             3,
+    'template':             4,
+    'network':              6,
+    'vpc':                  7,
+    'cpu':                  8,
+    'memory':               9,
+    'primary_storage':      10,
+    'secondary_storage':    11,
+}
+
+class AnsibleCloudStackResourceLimit(AnsibleCloudStack):
+
+    def __init__(self, module):
+        super(AnsibleCloudStackResourceLimit, self).__init__(module)
+        self.returns = {
+            'max': 'limit',
+        }
+
+
+    def get_resource_type(self):
+        resource_type = self.module.params.get('resource_type')
+        return RESOURCE_TYPES.get(resource_type)
+
+
+    def get_resource_limit(self):
+        args                 = {}
+        args['account']      = self.get_account(key='name')
+        args['domainid']     = self.get_domain(key='id')
+        args['projectid']    = self.get_project(key='id')
+        args['resourcetype'] = self.get_resource_type()
+        resource_limit = self.cs.listResourceLimits(**args)
+        if resource_limit:
+            return resource_limit['resourcelimit'][0]
+        self.module.fail_json(msg="Resource limit type '%s' not found." % self.module.params.get('resource_type'))
+
+
+    def update_resource_limit(self):
+        resource_limit = self.get_resource_limit()
+
+        args                 = {}
+        args['account']      = self.get_account(key='name')
+        args['domainid']     = self.get_domain(key='id')
+        args['projectid']    = self.get_project(key='id')
+        args['resourcetype'] = self.get_resource_type()
+        args['max']          = self.module.params.get('limit', -1)
+
+        if self.has_changed(args, resource_limit):
+            self.result['changed'] = True
+            if not self.module.check_mode:
+                res = self.cs.updateResourceLimit(**args)
+                if 'errortext' in res:
+                    self.module.fail_json(msg="Failed: '%s'" % res['errortext'])
+                resource_limit = res['resourcelimit']
+        return resource_limit
+
+
+    def get_result(self, resource_limit):
+        self.result = super(AnsibleCloudStackResourceLimit, self).get_result(resource_limit)
+        self.result['resource_type'] = self.module.params.get('resource_type')
+        return self.result
+
+
+def main():
+    argument_spec = cs_argument_spec()
+    argument_spec.update(dict(
+        resource_type = dict(required=True, choices=RESOURCE_TYPES.keys(), aliases=['type']),
+        limit = dict(default=-1, aliases=['max']),
+        domain = dict(default=None),
+        account = dict(default=None),
+        project = dict(default=None),
+    ))
+
+    module = AnsibleModule(
+        argument_spec=argument_spec,
+        required_together=cs_required_together(),
+        supports_check_mode=True
+    )
+
+    if not has_lib_cs:
+        module.fail_json(msg="python library cs required: pip install cs")
+
+    try:
+        acs_resource_limit = AnsibleCloudStackResourceLimit(module)
+        resource_limit = acs_resource_limit.update_resource_limit()
+        result = acs_resource_limit.get_result(resource_limit)
+
+    except CloudStackException as e:
+        module.fail_json(msg='CloudStackException: %s' % str(e))
+
+    module.exit_json(**result)
+
+# import module snippets
+from ansible.module_utils.basic import *
+if __name__ == '__main__':
+    main()