Current File : //proc/self/root/lib/python2.7/site-packages/ansible/modules/extras/cloud/amazon/ec2_elb_facts.py
#!/usr/bin/python
#
# This is a 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.
#
# This Ansible library 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 this library. If not, see <http://www.gnu.org/licenses/>.
DOCUMENTATION = '''
---
module: ec2_elb_facts
short_description: Gather facts about EC2 Elastic Load Balancers in AWS
description:
- Gather facts about EC2 Elastic Load Balancers in AWS
version_added: "2.0"
author:
- "Michael Schultz (github.com/mjschultz)"
- "Fernando Jose Pando (@nand0p)"
options:
names:
description:
- List of ELB names to gather facts about. Pass this option to gather facts about a set of ELBs, otherwise, all ELBs are returned.
required: false
default: null
aliases: ['elb_ids', 'ec2_elbs']
extends_documentation_fragment:
- aws
- ec2
'''
EXAMPLES = '''
# Note: These examples do not set authentication details, see the AWS Guide for details.
# Output format tries to match ec2_elb_lb module input parameters
# Gather facts about all ELBs
- action:
module: ec2_elb_facts
register: elb_facts
- action:
module: debug
msg: "{{ item.dns_name }}"
with_items: elb_facts.elbs
# Gather facts about a particular ELB
- action:
module: ec2_elb_facts
names: frontend-prod-elb
register: elb_facts
- action:
module: debug
msg: "{{ elb_facts.elbs.0.dns_name }}"
# Gather facts about a set of ELBs
- action:
module: ec2_elb_facts
names:
- frontend-prod-elb
- backend-prod-elb
register: elb_facts
- action:
module: debug
msg: "{{ item.dns_name }}"
with_items: elb_facts.elbs
'''
try:
import boto.ec2.elb
from boto.ec2.tag import Tag
from boto.exception import BotoServerError
HAS_BOTO = True
except ImportError:
HAS_BOTO = False
class ElbInformation(object):
""" Handles ELB information """
def __init__(self,
module,
names,
region,
**aws_connect_params):
self.module = module
self.names = names
self.region = region
self.aws_connect_params = aws_connect_params
self.connection = self._get_elb_connection()
def _get_tags(self, elbname):
params = {'LoadBalancerNames.member.1': elbname}
try:
elb_tags = self.connection.get_list('DescribeTags', params, [('member', Tag)])
return dict((tag.Key, tag.Value) for tag in elb_tags if hasattr(tag, 'Key'))
except:
return {}
def _get_elb_connection(self):
try:
return connect_to_aws(boto.ec2.elb, self.region, **self.aws_connect_params)
except BotoServerError as err:
self.module.fail_json(msg=err.message)
def _get_elb_listeners(self, listeners):
listener_list = []
for listener in listeners:
listener_dict = {
'load_balancer_port': listener[0],
'instance_port': listener[1],
'protocol': listener[2],
}
try:
ssl_certificate_id = listener[4]
except IndexError:
pass
else:
if ssl_certificate_id:
listener_dict['ssl_certificate_id'] = ssl_certificate_id
listener_list.append(listener_dict)
return listener_list
def _get_health_check(self, health_check):
protocol, port_path = health_check.target.split(':')
try:
port, path = port_path.split('/', 1)
path = '/{}'.format(path)
except ValueError:
port = port_path
path = None
health_check_dict = {
'ping_protocol': protocol.lower(),
'ping_port': int(port),
'response_timeout': health_check.timeout,
'interval': health_check.interval,
'unhealthy_threshold': health_check.unhealthy_threshold,
'healthy_threshold': health_check.healthy_threshold,
}
if path:
health_check_dict['ping_path'] = path
return health_check_dict
def _get_elb_info(self, elb):
elb_info = {
'name': elb.name,
'zones': elb.availability_zones,
'dns_name': elb.dns_name,
'canonical_hosted_zone_name': elb.canonical_hosted_zone_name,
'canonical_hosted_zone_name_id': elb.canonical_hosted_zone_name_id,
'hosted_zone_name': elb.canonical_hosted_zone_name,
'hosted_zone_id': elb.canonical_hosted_zone_name_id,
'instances': [instance.id for instance in elb.instances],
'listeners': self._get_elb_listeners(elb.listeners),
'scheme': elb.scheme,
'security_groups': elb.security_groups,
'health_check': self._get_health_check(elb.health_check),
'subnets': elb.subnets,
'instances_inservice': [],
'instances_inservice_count': 0,
'instances_outofservice': [],
'instances_outofservice_count': 0,
'instances_inservice_percent': 0.0,
'tags': self._get_tags(elb.name)
}
if elb.vpc_id:
elb_info['vpc_id'] = elb.vpc_id
if elb.instances:
try:
instance_health = self.connection.describe_instance_health(elb.name)
except BotoServerError as err:
self.module.fail_json(msg=err.message)
elb_info['instances_inservice'] = [inst.instance_id for inst in instance_health if inst.state == 'InService']
elb_info['instances_inservice_count'] = len(elb_info['instances_inservice'])
elb_info['instances_outofservice'] = [inst.instance_id for inst in instance_health if inst.state == 'OutOfService']
elb_info['instances_outofservice_count'] = len(elb_info['instances_outofservice'])
elb_info['instances_inservice_percent'] = float(elb_info['instances_inservice_count'])/(
float(elb_info['instances_inservice_count']) +
float(elb_info['instances_outofservice_count']))*100
return elb_info
def list_elbs(self):
elb_array = []
try:
all_elbs = self.connection.get_all_load_balancers()
except BotoServerError as err:
self.module.fail_json(msg = "%s: %s" % (err.error_code, err.error_message))
if all_elbs:
if self.names:
for existing_lb in all_elbs:
if existing_lb.name in self.names:
elb_array.append(existing_lb)
else:
elb_array = all_elbs
return list(map(self._get_elb_info, elb_array))
def main():
argument_spec = ec2_argument_spec()
argument_spec.update(dict(
names={'default': [], 'type': 'list'}
)
)
module = AnsibleModule(argument_spec=argument_spec)
if not HAS_BOTO:
module.fail_json(msg='boto required for this module')
region, ec2_url, aws_connect_params = get_aws_connection_info(module)
if not region:
module.fail_json(msg="region must be specified")
names = module.params['names']
elb_information = ElbInformation(module,
names,
region,
**aws_connect_params)
ec2_facts_result = dict(changed=False,
elbs=elb_information.list_elbs())
module.exit_json(**ec2_facts_result)
from ansible.module_utils.basic import *
from ansible.module_utils.ec2 import *
if __name__ == '__main__':
main()
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