Adding ontap_cluster_peer.py Modules

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

@@ -0,0 +1,268 @@
+#!/usr/bin/python
+
+# (c) 2018, 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': 'community'}
+
+
+DOCUMENTATION = '''
+author: NetApp Ansible Team (ng-ansibleteam@netapp.com)
+description:
+  - Create/Delete cluster peer relations on ONTAP
+extends_documentation_fragment:
+  - netapp.ontap
+module: na_ontap_cluster_peer
+options:
+  state:
+    choices: ['present', 'absent']
+    description:
+      - Whether the specified cluster peer should exist or not.
+    default: present
+  source_intercluster_lif:
+    description:
+      - Intercluster address of the source cluster.
+      - Used as peer-address in destination cluster.
+  dest_intercluster_lif:
+    description:
+      - Intercluster address of the destination cluster.
+      - Used as peer-address in source cluster.
+  passphrase:
+    description:
+      - The arbitrary passphrase that matches the one given to the peer cluster.
+  source_cluster_name:
+    description:
+      - The name of the source cluster name in the peer relation to be deleted.
+  dest_cluster_name:
+    description:
+      - The name of the destination cluster name in the peer relation to be deleted.
+  dest_hostname:
+    description:
+      - Destination cluster IP or hostname which needs to be peered.
+    required: True
+  dest_username:
+    description:
+     - Destination username.
+     - Optional if this is same as source username.
+  dest_password:
+    description:
+     - Destination password.
+     - Optional if this is same as source password.
+short_description: "NetApp ONTAP Manage Cluster peering"
+version_added: "2.7"
+'''
+
+EXAMPLES = """
+
+    - name: Create cluster peer
+      na_ontap_cluster_peer:
+        state: present
+        source_intercluster_lif: 1.2.3.4
+        dest_intercluster_lif: 5.6.7.8
+        passphrase: XXXX
+        hostname: "{{ netapp_hostname }}"
+        username: "{{ netapp_username }}"
+        password: "{{ netapp_password }}"
+        dest_hostname: "{{ dest_netapp_hostname }}"
+
+    - name: Delete cluster peer
+      na_ontap_cluster_peer:
+        state: absent
+        source_cluster_name: test-source-cluster
+        dest_cluster_name: test-dest-cluster
+        hostname: "{{ netapp_hostname }}"
+        username: "{{ netapp_username }}"
+        password: "{{ netapp_password }}"
+        dest_hostname: "{{ dest_netapp_hostname }}"
+"""
+
+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 NetAppONTAPClusterPeer(object):
+    """
+    Class with cluster peer methods
+    """
+
+    def __init__(self):
+
+        self.argument_spec = netapp_utils.ontap_sf_host_argument_spec()
+        self.argument_spec.update(dict(
+            state=dict(required=False, type='str', choices=['present', 'absent'], default='present'),
+            source_intercluster_lif=dict(required=False, type='str'),
+            dest_intercluster_lif=dict(required=False, type='str'),
+            passphrase=dict(required=False, type='str', no_log=True),
+            dest_hostname=dict(required=True, type='str'),
+            dest_username=dict(required=False, type='str'),
+            dest_password=dict(required=False, type='str', no_log=True),
+            source_cluster_name=dict(required=False, type='str'),
+            dest_cluster_name=dict(required=False, type='str')
+        ))
+
+        self.module = AnsibleModule(
+            argument_spec=self.argument_spec,
+            required_together=[['source_intercluster_lif', 'dest_intercluster_lif', 'passphrase']],
+            required_if=[('state', 'absent', ['source_cluster_name', 'dest_cluster_name'])],
+            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_ontap_zapi(module=self.module)
+            # set destination server connection
+            self.module.params['hostname'] = self.parameters['dest_hostname']
+            if self.parameters.get('dest_username'):
+                self.module.params['username'] = self.parameters['dest_username']
+            if self.parameters.get('dest_password'):
+                self.module.params['password'] = self.parameters['dest_password']
+            self.dest_server = netapp_utils.setup_ontap_zapi(module=self.module)
+
+    def cluster_peer_get_iter(self, cluster):
+        """
+        Compose NaElement object to query current source cluster using peer-cluster-name and peer-addresses parameters
+        :param cluster: type of cluster (source or destination)
+        :return: NaElement object for cluster-get-iter with query
+        """
+        cluster_peer_get = netapp_utils.zapi.NaElement('cluster-peer-get-iter')
+        query = netapp_utils.zapi.NaElement('query')
+        cluster_peer_info = netapp_utils.zapi.NaElement('cluster-peer-info')
+        if cluster == 'source':
+            peer_lif, peer_cluster = 'dest_intercluster_lif', 'dest_cluster_name'
+        else:
+            peer_lif, peer_cluster = 'source_intercluster_lif', 'source_cluster_name'
+        peer_addresses = netapp_utils.zapi.NaElement('peer-addresses')
+        if self.parameters.get(peer_lif):
+            peer_addresses.add_new_child('remote-inet-address', self.parameters[peer_lif])
+            cluster_peer_info.add_child_elem(peer_addresses)
+        if self.parameters.get(peer_cluster):
+            cluster_peer_info.add_new_child('cluster-name', self.parameters[peer_cluster])
+        query.add_child_elem(cluster_peer_info)
+        cluster_peer_get.add_child_elem(query)
+        return cluster_peer_get
+
+    def cluster_peer_get(self, cluster):
+        """
+        Get current cluster peer info
+        :param cluster: type of cluster (source or destination)
+        :return: Dictionary of current cluster peer details if query successful, else return None
+        """
+        cluster_peer_get_iter = self.cluster_peer_get_iter(cluster)
+        cluster_info = dict()
+        if cluster == 'source':
+            server = self.server
+        else:
+            server = self.dest_server
+        try:
+            result = server.invoke_successfully(cluster_peer_get_iter, enable_tunneling=True)
+        except netapp_utils.zapi.NaApiError as error:
+            self.module.fail_json(msg='Error fetching cluster peer %s: %s'
+                                      % (self.parameters['dest_cluster_name'], to_native(error)),
+                                  exception=traceback.format_exc())
+        # return cluster peer details
+        if result.get_child_by_name('num-records') and \
+                int(result.get_child_content('num-records')) >= 1:
+            cluster_peer_info = result.get_child_by_name('attributes-list').get_child_by_name('cluster-peer-info')
+            cluster_info['cluster_name'] = cluster_peer_info.get_child_content('cluster-name')
+            peers = cluster_peer_info.get_child_by_name('peer-addresses')
+            cluster_info['peer-addresses'] = [peer.get_content() for peer in peers.get_children()]
+            return cluster_info
+        return None
+
+    def cluster_peer_delete(self, cluster):
+        """
+        Delete a cluster peer on source or destination
+        For source cluster, peer cluster-name = destination cluster name and vice-versa
+        :param cluster: type of cluster (source or destination)
+        :return:
+        """
+        if cluster == 'source':
+            server, peer_cluster_name = self.server, self.parameters['dest_cluster_name']
+        else:
+            server, peer_cluster_name = self.dest_server, self.parameters['source_cluster_name']
+        cluster_peer_delete = netapp_utils.zapi.NaElement.create_node_with_children(
+            'cluster-peer-delete', **{'cluster-name': peer_cluster_name})
+        try:
+            server.invoke_successfully(cluster_peer_delete, enable_tunneling=True)
+        except netapp_utils.zapi.NaApiError as error:
+            self.module.fail_json(msg='Error deleting cluster peer %s: %s'
+                                      % (peer_cluster_name, to_native(error)),
+                                  exception=traceback.format_exc())
+
+    def cluster_peer_create(self, cluster):
+        """
+        Create a cluster peer on source or destination
+        For source cluster, peer address = destination inter-cluster LIF and vice-versa
+        :param cluster: type of cluster (source or destination)
+        :return: None
+        """
+        cluster_peer_create = netapp_utils.zapi.NaElement.create_node_with_children(
+            'cluster-peer-create', **{'passphrase': self.parameters['passphrase']})
+        peer_addresses = netapp_utils.zapi.NaElement('peer-addresses')
+        if cluster == 'source':
+            server, peer_address = self.server, self.parameters['dest_intercluster_lif']
+        else:
+            server, peer_address = self.dest_server, self.parameters['source_intercluster_lif']
+        peer_addresses.add_new_child('remote-inet-address', peer_address)
+        cluster_peer_create.add_child_elem(peer_addresses)
+        try:
+            server.invoke_successfully(cluster_peer_create, enable_tunneling=True)
+        except netapp_utils.zapi.NaApiError as error:
+            self.module.fail_json(msg='Error creating cluster peer %s: %s'
+                                  % (peer_address, to_native(error)),
+                                  exception=traceback.format_exc())
+
+    def apply(self):
+        """
+        Apply action to cluster peer
+        :return: None
+        """
+        source = self.cluster_peer_get('source')
+        destination = self.cluster_peer_get('destination')
+        source_action = self.na_helper.get_cd_action(source, self.parameters)
+        destination_action = self.na_helper.get_cd_action(destination, self.parameters)
+        self.na_helper.changed = False
+        # create only if expected cluster peer relation is not present on both source and destination clusters
+        if source_action == 'create' and destination_action == 'create':
+            self.cluster_peer_create('source')
+            self.cluster_peer_create('destination')
+            self.na_helper.changed = True
+        # delete peer relation in cluster where relation is present
+        else:
+            if source_action == 'delete':
+                self.cluster_peer_delete('source')
+                self.na_helper.changed = True
+            if destination_action == 'delete':
+                self.cluster_peer_delete('destination')
+                self.na_helper.changed = True
+
+        self.module.exit_json(changed=self.na_helper.changed)
+
+
+def main():
+    """
+    Execute action
+    :return: None
+    """
+    community_obj = NetAppONTAPClusterPeer()
+    community_obj.apply()
+
+
+if __name__ == '__main__':
+    main()