Current File : //proc/self/root/lib/python2.7/site-packages/ansible/modules/extras/cloud/amazon/efs_facts.py
#!/usr/bin/python
# 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: efs_facts
short_description: Get information about Amazon EFS file systems
description:
- Module searches Amazon EFS file systems
version_added: "2.2"
requirements: [ boto3 ]
author:
- "Ryan Sydnor (@ryansydnor)"
options:
name:
description:
- Creation Token of Amazon EFS file system.
required: false
default: None
id:
description:
- ID of Amazon EFS.
required: false
default: None
tags:
description:
- |
List of tags of Amazon EFS. Should be defined as dictionary
required: false
default: None
targets:
description:
- |
List of mounted targets. It should be a list of dictionaries, every dictionary should include next attributes:
- SubnetId - Mandatory. The ID of the subnet to add the mount target in.
- IpAddress - Optional. A valid IPv4 address within the address range of the specified subnet.
- SecurityGroups - Optional. List of security group IDs, of the form "sg-xxxxxxxx". These must be for the same VPC as subnet specified.
required: false
default: None
extends_documentation_fragment:
- aws
'''
EXAMPLES = '''
# find all existing efs
- efs_facts:
register: result
- efs_facts:
name: myTestNameTag
- efs_facts:
id: fs-1234abcd
# Searching all EFS instances with tag Name = 'myTestNameTag', in subnet 'subnet-1a2b3c4d' and with security group 'sg-4d3c2b1a'
- efs_facts:
tags:
name: myTestNameTag
targets:
- subnet-1a2b3c4d
- sg-4d3c2b1a
'''
RETURN = '''
creation_time:
description: timestamp of creation date
returned:
type: datetime
sample: 2015-11-16 07:30:57-05:00
creation_token:
description: EFS creation token
returned:
type: UUID
sample: console-88609e04-9a0e-4a2e-912c-feaa99509961
file_system_id:
description: ID of the file system
returned:
type: unique ID
sample: fs-xxxxxxxx
life_cycle_state:
description: state of the EFS file system
returned:
type: str
sample: creating, available, deleting, deleted
mount_point:
description: url of file system
returned:
type: str
sample: .fs-xxxxxxxx.efs.us-west-2.amazonaws.com:/
mount_targets:
description: list of mount targets
returned:
type: list of dicts
sample:
[
{
"file_system_id": "fs-a7ad440e",
"ip_address": "172.31.17.173",
"life_cycle_state": "available",
"mount_target_id": "fsmt-d8907871",
"network_interface_id": "eni-6e387e26",
"owner_id": "740748460359",
"security_groups": [
"sg-a30b22c6"
],
"subnet_id": "subnet-e265c895"
},
...
]
name:
description: name of the file system
returned:
type: str
sample: my-efs
number_of_mount_targets:
description: the number of targets mounted
returned:
type: int
sample: 3
owner_id:
description: AWS account ID of EFS owner
returned:
type: str
sample: XXXXXXXXXXXX
size_in_bytes:
description: size of the file system in bytes as of a timestamp
returned:
type: dict
sample:
{
"timestamp": "2015-12-21 13:59:59-05:00",
"value": 12288
}
performance_mode:
description: performance mode of the file system
returned:
type: str
sample: "generalPurpose"
tags:
description: tags on the efs instance
returned:
type: dict
sample:
{
"name": "my-efs",
"key": "Value"
}
'''
from time import sleep
from collections import defaultdict
try:
from botocore.exceptions import ClientError
import boto3
HAS_BOTO3 = True
except ImportError as e:
HAS_BOTO3 = False
class EFSConnection(object):
STATE_CREATING = 'creating'
STATE_AVAILABLE = 'available'
STATE_DELETING = 'deleting'
STATE_DELETED = 'deleted'
def __init__(self, module, region, **aws_connect_params):
try:
self.connection = boto3_conn(module, conn_type='client',
resource='efs', region=region,
**aws_connect_params)
except Exception as e:
module.fail_json(msg="Failed to connect to AWS: %s" % str(e))
self.region = region
def get_file_systems(self, **kwargs):
"""
Returns generator of file systems including all attributes of FS
"""
items = iterate_all(
'FileSystems',
self.connection.describe_file_systems,
**kwargs
)
for item in items:
item['CreationTime'] = str(item['CreationTime'])
"""
Suffix of network path to be used as NFS device for mount. More detail here:
http://docs.aws.amazon.com/efs/latest/ug/gs-step-three-connect-to-ec2-instance.html
"""
item['MountPoint'] = '.%s.efs.%s.amazonaws.com:/' % (item['FileSystemId'], self.region)
if 'Timestamp' in item['SizeInBytes']:
item['SizeInBytes']['Timestamp'] = str(item['SizeInBytes']['Timestamp'])
if item['LifeCycleState'] == self.STATE_AVAILABLE:
item['Tags'] = self.get_tags(FileSystemId=item['FileSystemId'])
item['MountTargets'] = list(self.get_mount_targets(FileSystemId=item['FileSystemId']))
else:
item['Tags'] = {}
item['MountTargets'] = []
yield item
def get_tags(self, **kwargs):
"""
Returns tag list for selected instance of EFS
"""
tags = iterate_all(
'Tags',
self.connection.describe_tags,
**kwargs
)
return dict((tag['Key'], tag['Value']) for tag in tags)
def get_mount_targets(self, **kwargs):
"""
Returns mount targets for selected instance of EFS
"""
targets = iterate_all(
'MountTargets',
self.connection.describe_mount_targets,
**kwargs
)
for target in targets:
if target['LifeCycleState'] == self.STATE_AVAILABLE:
target['SecurityGroups'] = list(self.get_security_groups(
MountTargetId=target['MountTargetId']
))
else:
target['SecurityGroups'] = []
yield target
def get_security_groups(self, **kwargs):
"""
Returns security groups for selected instance of EFS
"""
return iterate_all(
'SecurityGroups',
self.connection.describe_mount_target_security_groups,
**kwargs
)
def iterate_all(attr, map_method, **kwargs):
"""
Method creates iterator from boto result set
"""
args = dict((key, value) for (key, value) in kwargs.items() if value is not None)
wait = 1
while True:
try:
data = map_method(**args)
for elm in data[attr]:
yield elm
if 'NextMarker' in data:
args['Marker'] = data['Nextmarker']
continue
break
except ClientError as e:
if e.response['Error']['Code'] == "ThrottlingException" and wait < 600:
sleep(wait)
wait = wait * 2
continue
def prefix_to_attr(attr_id):
"""
Helper method to convert ID prefix to mount target attribute
"""
attr_by_prefix = {
'fsmt-': 'MountTargetId',
'subnet-': 'SubnetId',
'eni-': 'NetworkInterfaceId',
'sg-': 'SecurityGroups'
}
prefix = first_or_default(filter(
lambda pref: str(attr_id).startswith(pref),
attr_by_prefix.keys()
))
if prefix:
return attr_by_prefix[prefix]
return 'IpAddress'
def first_or_default(items, default=None):
"""
Helper method to fetch first element of list (if exists)
"""
for item in items:
return item
return default
def has_tags(available, required):
"""
Helper method to determine if tag requested already exists
"""
for key, value in required.items():
if key not in available or value != available[key]:
return False
return True
def has_targets(available, required):
"""
Helper method to determine if mount tager requested already exists
"""
grouped = group_list_of_dict(available)
for (value, field) in required:
if field not in grouped or value not in grouped[field]:
return False
return True
def group_list_of_dict(array):
"""
Helper method to group list of dict to dict with all possible values
"""
result = defaultdict(list)
for item in array:
for key, value in item.items():
result[key] += value if isinstance(value, list) else [value]
return result
def main():
"""
Module action handler
"""
argument_spec = ec2_argument_spec()
argument_spec.update(dict(
id=dict(required=False, type='str', default=None),
name=dict(required=False, type='str', default=None),
tags=dict(required=False, type="dict", default={}),
targets=dict(required=False, type="list", default=[])
))
module = AnsibleModule(argument_spec=argument_spec)
if not HAS_BOTO3:
module.fail_json(msg='boto3 required for this module')
region, _, aws_connect_params = get_aws_connection_info(module, boto3=True)
connection = EFSConnection(module, region, **aws_connect_params)
name = module.params.get('name')
fs_id = module.params.get('id')
tags = module.params.get('tags')
targets = module.params.get('targets')
file_systems_info = connection.get_file_systems(FileSystemId=fs_id, CreationToken=name)
if tags:
file_systems_info = filter(lambda item: has_tags(item['Tags'], tags), file_systems_info)
if targets:
targets = [(item, prefix_to_attr(item)) for item in targets]
file_systems_info = filter(lambda item:
has_targets(item['MountTargets'], targets), file_systems_info)
file_systems_info = [camel_dict_to_snake_dict(x) for x in file_systems_info]
module.exit_json(changed=False, ansible_facts={'efs': file_systems_info})
from ansible.module_utils.basic import *
from ansible.module_utils.ec2 import *
if __name__ == '__main__':
main()
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