New Module: na_ontap_quotas

lib/ansible/modules/storage/netapp/na_ontap_quotas.py

@@ -0,0 +1,344 @@
+#!/usr/bin/python
+
+# (c) 2018-2019, NetApp, Inc
+# GNU General Public License v3.0+
+# (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
+from __future__ import absolute_import, division, print_function
+__metaclass__ = type
+
+
+ANSIBLE_METADATA = {'metadata_version': '1.1',
+                    'status': ['preview'],
+                    'supported_by': 'certified'}
+
+
+DOCUMENTATION = '''
+module: na_ontap_quotas
+short_description: NetApp ONTAP Quotas
+extends_documentation_fragment:
+    - netapp.na_ontap
+version_added: '2.8'
+author: NetApp Ansible Team (@carchi8py) <ng-ansibleteam@netapp.com>
+description:
+- Set/Modify/Delete quota on ONTAP
+options:
+  state:
+    description:
+    - Whether the specified quota should exist or not.
+    choices: ['present', 'absent']
+    default: present
+    type: str
+  vserver:
+    required: true
+    description:
+      - Name of the vserver to use.
+    type: str
+  volume:
+    description:
+    - The name of the volume that the quota resides on.
+    required: true
+    type: str
+  quota_target:
+    description:
+    - The quota target of the type specified.
+    required: true
+    type: str
+  qtree:
+    description:
+    - Name of the qtree for the quota.
+    - For user or group rules, it can be the qtree name or "" if no qtree.
+    - For tree type rules, this field must be "".
+    default: ""
+    type: str
+  type:
+    description:
+    - The type of quota rule
+    choices: ['user', 'group', 'tree']
+    required: true
+    type: str
+  policy:
+    description:
+    - Name of the quota policy from which the quota rule should be obtained.
+    type: str
+  set_quota_status:
+    description:
+    - Whether the specified volume should have quota status on or off.
+    type: bool
+  file_limit:
+    description:
+    - The number of files that the target can have.
+    default: '-'
+    type: str
+  disk_limit:
+    description:
+    - The amount of disk space that is reserved for the target.
+    default: '-'
+    type: str
+  threshold:
+    description:
+    - The amount of disk space the target would have to exceed before a message is logged.
+    default: '-'
+    type: str
+'''
+
+EXAMPLES = """
+    - name: Add/Set quota
+      na_ontap_quotas:
+        state: present
+        vserver: ansible
+        volume: ansible
+        quota_target: /vol/ansible
+        type: user
+        policy: ansible
+        file_limit: 2
+        disk_limit: 3
+        set_quota_status: True
+        hostname: "{{ netapp_hostname }}"
+        username: "{{ netapp_username }}"
+        password: "{{ netapp_password }}"
+    - name: modify quota
+      na_ontap_quotas:
+        state: present
+        vserver: ansible
+        volume: ansible
+        quota_target: /vol/ansible
+        type: user
+        policy: ansible
+        file_limit: 2
+        disk_limit: 3
+        threshold: 3
+        set_quota_status: False
+        hostname: "{{ netapp_hostname }}"
+        username: "{{ netapp_username }}"
+        password: "{{ netapp_password }}"
+    - name: Delete quota
+      na_ontap_quotas:
+        state: absent
+        vserver: ansible
+        volume: ansible
+        quota_target: /vol/ansible
+        type: user
+        policy: ansible
+        hostname: "{{ netapp_hostname }}"
+        username: "{{ netapp_username }}"
+        password: "{{ netapp_password }}"
+"""
+
+RETURN = """
+
+"""
+
+
+import traceback
+from ansible.module_utils.basic import AnsibleModule
+from ansible.module_utils._text import to_native
+import ansible.module_utils.netapp as netapp_utils
+from ansible.module_utils.netapp_module import NetAppModule
+
+HAS_NETAPP_LIB = netapp_utils.has_netapp_lib()
+
+
+class NetAppONTAPQuotas(object):
+    '''Class with quotas methods'''
+
+    def __init__(self):
+
+        self.argument_spec = netapp_utils.na_ontap_host_argument_spec()
+        self.argument_spec.update(dict(
+            state=dict(required=False, choices=['present', 'absent'], default='present'),
+            vserver=dict(required=True, type='str'),
+            volume=dict(required=True, type='str'),
+            quota_target=dict(required=True, type='str'),
+            qtree=dict(required=False, type='str', default=""),
+            type=dict(required=True, type='str', choices=['user', 'group', 'tree']),
+            policy=dict(required=False, type='str'),
+            set_quota_status=dict(required=False, type='bool'),
+            file_limit=dict(required=False, type='str', default='-'),
+            disk_limit=dict(required=False, type='str', default='-'),
+            threshold=dict(required=False, type='str', default='-')
+        ))
+
+        self.module = AnsibleModule(
+            argument_spec=self.argument_spec,
+            supports_check_mode=True
+        )
+
+        self.na_helper = NetAppModule()
+        self.parameters = self.na_helper.set_parameters(self.module.params)
+
+        if HAS_NETAPP_LIB is False:
+            self.module.fail_json(
+                msg="the python NetApp-Lib module is required")
+        else:
+            self.server = netapp_utils.setup_na_ontap_zapi(module=self.module, vserver=self.parameters['vserver'])
+
+    def get_quota_status(self):
+        """
+        Return details about the quota status
+        :param:
+            name : volume name
+        :return: status of the quota. None if not found.
+        :rtype: dict
+        """
+        quota_status_get = netapp_utils.zapi.NaElement('quota-status')
+        quota_status_get.translate_struct({
+            'volume': self.parameters['volume']
+        })
+        try:
+            result = self.server.invoke_successfully(quota_status_get, enable_tunneling=True)
+        except netapp_utils.zapi.NaApiError as error:
+            self.module.fail_json(msg='Error fetching quotas status info: %s' % to_native(error),
+                                  exception=traceback.format_exc())
+        if result:
+            return result['status']
+        return None
+
+    def get_quotas(self):
+        """
+        Get quota details
+        :return: name of volume if quota exists, None otherwise
+        """
+        quota_get = netapp_utils.zapi.NaElement('quota-list-entries-iter')
+        query = {
+            'query': {
+                'quota-entry': {
+                    'volume': self.parameters['volume'],
+                    'quota-target': self.parameters['quota_target'],
+                    'quota-type': self.parameters['type']
+                }
+            }
+        }
+        quota_get.translate_struct(query)
+        if self.parameters.get('policy'):
+            quota_get['query']['quota-entry'].add_new_child('policy', self.parameters['policy'])
+        try:
+            result = self.server.invoke_successfully(quota_get, enable_tunneling=True)
+        except netapp_utils.zapi.NaApiError as error:
+            self.module.fail_json(msg='Error fetching quotas info: %s' % to_native(error),
+                                  exception=traceback.format_exc())
+        if result.get_child_by_name('num-records') and int(result.get_child_content('num-records')) >= 1:
+            return_values = {'volume': result['attributes-list']['quota-entry']['volume'],
+                             'file_limit': result['attributes-list']['quota-entry']['file-limit'],
+                             'disk_limit': result['attributes-list']['quota-entry']['disk-limit'],
+                             'threshold': result['attributes-list']['quota-entry']['threshold']}
+            return return_values
+        return None
+
+    def quota_entry_set(self):
+        """
+        Adds a quota entry
+        """
+        options = {'volume': self.parameters['volume'],
+                   'quota-target': self.parameters['quota_target'],
+                   'quota-type': self.parameters['type'],
+                   'qtree': self.parameters['qtree'],
+                   'file-limit': self.parameters['file_limit'],
+                   'disk-limit': self.parameters['disk_limit'],
+                   'threshold': self.parameters['threshold']}
+        if self.parameters.get('policy'):
+            options['policy'] = self.parameters['policy']
+        set_entry = netapp_utils.zapi.NaElement.create_node_with_children(
+            'quota-set-entry', **options)
+        try:
+            self.server.invoke_successfully(set_entry, enable_tunneling=True)
+        except netapp_utils.zapi.NaApiError as error:
+            self.module.fail_json(msg='Error adding/modifying quota entry %s: %s'
+                                  % (self.parameters['volume'], to_native(error)),
+                                  exception=traceback.format_exc())
+
+    def quota_entry_delete(self):
+        """
+        Deletes a quota entry
+        """
+        options = {'volume': self.parameters['volume'],
+                   'quota-target': self.parameters['quota_target'],
+                   'quota-type': self.parameters['type'],
+                   'qtree': self.parameters['qtree']}
+        set_entry = netapp_utils.zapi.NaElement.create_node_with_children(
+            'quota-delete-entry', **options)
+        if self.parameters.get('policy'):
+            set_entry.add_new_child('policy', self.parameters['policy'])
+        try:
+            self.server.invoke_successfully(set_entry, enable_tunneling=True)
+        except netapp_utils.zapi.NaApiError as error:
+            self.module.fail_json(msg='Error deleting quota entry %s: %s'
+                                  % (self.parameters['volume'], to_native(error)),
+                                  exception=traceback.format_exc())
+
+    def quota_entry_modify(self, modify_attrs):
+        """
+        Modifies a quota entry
+        """
+        options = {'volume': self.parameters['volume'],
+                   'quota-target': self.parameters['quota_target'],
+                   'quota-type': self.parameters['type'],
+                   'qtree': self.parameters['qtree']}
+        options.update(modify_attrs)
+        if self.parameters.get('policy'):
+            options['policy'] = str(self.parameters['policy'])
+        modify_entry = netapp_utils.zapi.NaElement.create_node_with_children(
+            'quota-modify-entry', **options)
+        try:
+            self.server.invoke_successfully(modify_entry, enable_tunneling=True)
+        except netapp_utils.zapi.NaApiError as error:
+            self.module.fail_json(msg='Error modifying quota entry %s: %s'
+                                  % (self.parameters['volume'], to_native(error)),
+                                  exception=traceback.format_exc())
+
+    def on_or_off_quota(self, status):
+        """
+        on or off quota
+        """
+        quota = netapp_utils.zapi.NaElement.create_node_with_children(
+            status, **{'volume': self.parameters['volume']})
+        try:
+            self.server.invoke_successfully(quota,
+                                            enable_tunneling=True)
+        except netapp_utils.zapi.NaApiError as error:
+            self.module.fail_json(msg='Error setting %s for %s: %s'
+                                  % (status, self.parameters['volume'], to_native(error)),
+                                  exception=traceback.format_exc())
+
+    def apply(self):
+        """
+        Apply action to quotas
+        """
+        netapp_utils.ems_log_event("na_ontap_quotas", self.server)
+        modify_quota_status = None
+        modify_quota = None
+        current = self.get_quotas()
+        if 'set_quota_status' in self.parameters:
+            quota_status = self.get_quota_status()
+            if quota_status is not None:
+                quota_status_action = self.na_helper.get_modified_attributes(
+                    {'set_quota_status': True if quota_status == 'on' else False}, self.parameters)
+                if quota_status_action:
+                    modify_quota_status = 'quota-on' if quota_status_action['set_quota_status'] else 'quota-off'
+        cd_action = self.na_helper.get_cd_action(current, self.parameters)
+        if cd_action is None:
+            modify_quota = self.na_helper.get_modified_attributes(current, self.parameters)
+        if self.na_helper.changed:
+            if self.module.check_mode:
+                pass
+            else:
+                if cd_action == 'create':
+                    self.quota_entry_set()
+                elif cd_action == 'delete':
+                    self.quota_entry_delete()
+                elif modify_quota is not None:
+                    for key in modify_quota:
+                        modify_quota[key.replace("_", "-")] = modify_quota.pop(key)
+                    self.quota_entry_modify(modify_quota)
+                if modify_quota_status is not None:
+                    self.on_or_off_quota(modify_quota_status)
+        self.module.exit_json(changed=self.na_helper.changed)
+
+
+def main():
+    '''Execute action'''
+    quota_obj = NetAppONTAPQuotas()
+    quota_obj.apply()
+
+
+if __name__ == '__main__':
+    main()