efs - Add support to specify the number of days to transition to inac…

…tive storage (ansible-collections#522)

efs - Add support to specify the number of days to transition to inactive storage

SUMMARY
Support setting EFS lifecycle policy.
ISSUE TYPE

Feature Pull Request

COMPONENT NAME
community.aws.efs
ADDITIONAL INFORMATION
This is now possible:
- name: Set a lifecycle policy
  community.aws.efs:
    state: present
    name: myTestEFS
    transition_to_ia: 7
    targets:
        - subnet_id: subnet-7654fdca
          security_groups: [ "sg-4c5d6f7a" ]

- name: Remove a lifecycle policy
  community.aws.efs:
    state: present
    name: myTestEFS
    transition_to_ia: None
    targets:
        - subnet_id: subnet-7654fdca
          security_groups: [ "sg-4c5d6f7a" ]

Reviewed-by: Mark Chappell <None>
Reviewed-by: Jill R <None>
Reviewed-by: None <None>

efs.py

@@ -96,6 +96,15 @@
             - How long the module should wait (in seconds) for desired state before returning. Zero means wait as long as necessary.
         default: 0
         type: int
+    transition_to_ia:
+        description:
+            - How many days before objects transition to the lower-cost EFS Infrequent Access (IA) storage class.
+            - If set to the string C(None), any existing lifecyle policy will be removed, and objects will not transition
+              to an IA storage class.
+            - If this parameter is absent, any existing lifecycle policy will not be affected.
+        choices: ['None', '7', '14', '30', '60', '90']
+        type: str
+        version_added: 2.1.0
 
 extends_documentation_fragment:
 - amazon.aws.aws
@@ -125,6 +134,24 @@
         - subnet_id: subnet-7654fdca
           security_groups: [ "sg-4c5d6f7a" ]
 
+- name: Set a lifecycle policy
+  community.aws.efs:
+    state: present
+    name: myTestEFS
+    transition_to_ia: 7
+    targets:
+        - subnet_id: subnet-7654fdca
+          security_groups: [ "sg-4c5d6f7a" ]
+
+- name: Remove a lifecycle policy
+  community.aws.efs:
+    state: present
+    name: myTestEFS
+    transition_to_ia: None
+    targets:
+        - subnet_id: subnet-7654fdca
+          security_groups: [ "sg-4c5d6f7a" ]
+
 - name: Deleting EFS
   community.aws.efs:
     state: absent
@@ -459,6 +486,27 @@ def update_file_system(self, name, throughput_mode, provisioned_throughput_in_mi
                     self.module.fail_json_aws(e, msg="Unable to update file system.")
         return changed
 
+    def update_lifecycle_policy(self, name, transition_to_ia):
+        """
+        Update filesystem with new lifecycle policy.
+        """
+        changed = False
+        state = self.get_file_system_state(name)
+        if state in [self.STATE_AVAILABLE, self.STATE_CREATING]:
+            fs_id = self.get_file_system_id(name)
+            current_policies = self.connection.describe_lifecycle_configuration(FileSystemId=fs_id)
+            if transition_to_ia == 'None':
+                LifecyclePolicies = []
+            else:
+                LifecyclePolicies = [{'TransitionToIA': 'AFTER_' + transition_to_ia + '_DAYS'}]
+            if current_policies.get('LifecyclePolicies') != LifecyclePolicies:
+                response = self.connection.put_lifecycle_configuration(
+                    FileSystemId=fs_id,
+                    LifecyclePolicies=LifecyclePolicies,
+                )
+                changed = True
+        return changed
+
     def converge_file_system(self, name, tags, purge_tags, targets, throughput_mode, provisioned_throughput_in_mibps):
         """
          Change attributes (mount targets and tags) of filesystem by name
@@ -680,6 +728,7 @@ def main():
         tags=dict(required=False, type="dict", default={}),
         targets=dict(required=False, type="list", default=[], elements='dict'),
         performance_mode=dict(required=False, type='str', choices=["general_purpose", "max_io"], default="general_purpose"),
+        transition_to_ia=dict(required=False, type='str', choices=["None", "7", "14", "30", "60", "90"], default=None),
         throughput_mode=dict(required=False, type='str', choices=["bursting", "provisioned"], default=None),
         provisioned_throughput_in_mibps=dict(required=False, type='float'),
         wait=dict(required=False, type="bool", default=False),
@@ -707,6 +756,7 @@ def main():
     kms_key_id = module.params.get('kms_key_id')
     performance_mode = performance_mode_translations[module.params.get('performance_mode')]
     purge_tags = module.params.get('purge_tags')
+    transition_to_ia = module.params.get('transition_to_ia')
     throughput_mode = module.params.get('throughput_mode')
     provisioned_throughput_in_mibps = module.params.get('provisioned_throughput_in_mibps')
     state = str(module.params.get('state')).lower()
@@ -720,6 +770,8 @@ def main():
         changed = connection.update_file_system(name, throughput_mode, provisioned_throughput_in_mibps) or changed
         changed = connection.converge_file_system(name=name, tags=tags, purge_tags=purge_tags, targets=targets,
                                                   throughput_mode=throughput_mode, provisioned_throughput_in_mibps=provisioned_throughput_in_mibps) or changed
+        if transition_to_ia:
+            changed |= connection.update_lifecycle_policy(name, transition_to_ia)
         result = first_or_default(connection.get_file_systems(CreationToken=name))
 
     elif state == 'absent':