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New module: GCP Compute Target Pools (#38623)

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Alex Stephen 2018-05-22 07:38:07 -07:00 committed by Ryan Brown
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423
lib/ansible/modules/cloud/google/gcp_compute_target_pool.py Normal file
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#!/usr/bin/python
# -*- coding: utf-8 -*-
#
# Copyright (C) 2017 Google
# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
# ----------------------------------------------------------------------------
#
# *** AUTO GENERATED CODE *** AUTO GENERATED CODE ***
#
# ----------------------------------------------------------------------------
#
# This file is automatically generated by Magic Modules and manual
# changes will be clobbered when the file is regenerated.
#
# Please read more about how to change this file at
# https://www.github.com/GoogleCloudPlatform/magic-modules
#
# ----------------------------------------------------------------------------
from __future__ import absolute_import, division, print_function
__metaclass__ = type
################################################################################
# Documentation
################################################################################
ANSIBLE_METADATA = {'metadata_version': '1.1',
'status': ["preview"],
'supported_by': 'community'}
DOCUMENTATION = '''
---
module: gcp_compute_target_pool
description:
- Represents a TargetPool resource, used for Load Balancing.
short_description: Creates a GCP TargetPool
version_added: 2.6
author: Google Inc. (@googlecloudplatform)
requirements:
- python >= 2.6
- requests >= 2.18.4
- google-auth >= 1.3.0
options:
state:
description:
- Whether the given object should exist in GCP
choices: ['present', 'absent']
default: 'present'
backup_pool:
description:
- A reference to TargetPool resource.
required: false
description:
description:
- An optional description of this resource.
required: false
failover_ratio:
description:
- This field is applicable only when the containing target pool is serving a forwarding
rule as the primary pool (i.e., not as a backup pool to some other target pool).
The value of the field must be in [0, 1].
- 'If set, backupPool must also be set. They together define the fallback behavior
of the primary target pool: if the ratio of the healthy instances in the primary
pool is at or below this number, traffic arriving at the load-balanced IP will be
directed to the backup pool.'
- In case where failoverRatio is not set or all the instances in the backup pool are
unhealthy, the traffic will be directed back to the primary pool in the "force"
mode, where traffic will be spread to the healthy instances with the best effort,
or to all instances when no instance is healthy.
required: false
health_check:
description:
- A reference to HttpHealthCheck resource.
required: false
instances:
description:
- A list of virtual machine instances serving this pool.
- They must live in zones contained in the same region as this pool.
required: false
name:
description:
- Name of the resource. Provided by the client when the resource is created. The name
must be 1-63 characters long, and comply with RFC1035. Specifically, the name must
be 1-63 characters long and match the regular expression `[a-z]([-a-z0-9]*[a-z0-9])?`
which means the first character must be a lowercase letter, and all following characters
must be a dash, lowercase letter, or digit, except the last character, which cannot
be a dash.
required: true
session_affinity:
description:
- 'Session affinity option. Must be one of these values: - NONE: Connections from
the same client IP may go to any instance in the pool.'
- "- CLIENT_IP: Connections from the same client IP will go to the same instance
in the pool while that instance remains healthy."
- "- CLIENT_IP_PROTO: Connections from the same client IP with the same IP protocol
will go to the same instance in the pool while that instance remains healthy."
required: false
choices: ['NONE', 'CLIENT_IP', 'CLIENT_IP_PROTO']
region:
description:
- A reference to Region resource.
required: true
extends_documentation_fragment: gcp
'''
EXAMPLES = '''
- name: create a target pool
gcp_compute_target_pool:
name: testObject
region: 'us-west1'
project: testProject
auth_kind: service_account
service_account_file: /tmp/auth.pem
scopes:
- https://www.googleapis.com/auth/compute
state: present
'''
RETURN = '''
backup_pool:
description:
- A reference to TargetPool resource.
returned: success
type: dict
creation_timestamp:
description:
- Creation timestamp in RFC3339 text format.
returned: success
type: str
description:
description:
- An optional description of this resource.
returned: success
type: str
failover_ratio:
description:
- This field is applicable only when the containing target pool is serving a forwarding
rule as the primary pool (i.e., not as a backup pool to some other target pool).
The value of the field must be in [0, 1].
- 'If set, backupPool must also be set. They together define the fallback behavior
of the primary target pool: if the ratio of the healthy instances in the primary
pool is at or below this number, traffic arriving at the load-balanced IP will be
directed to the backup pool.'
- In case where failoverRatio is not set or all the instances in the backup pool are
unhealthy, the traffic will be directed back to the primary pool in the "force"
mode, where traffic will be spread to the healthy instances with the best effort,
or to all instances when no instance is healthy.
returned: success
type: str
health_check:
description:
- A reference to HttpHealthCheck resource.
returned: success
type: dict
id:
description:
- The unique identifier for the resource.
returned: success
type: int
instances:
description:
- A list of virtual machine instances serving this pool.
- They must live in zones contained in the same region as this pool.
returned: success
type: list
name:
description:
- Name of the resource. Provided by the client when the resource is created. The name
must be 1-63 characters long, and comply with RFC1035. Specifically, the name must
be 1-63 characters long and match the regular expression `[a-z]([-a-z0-9]*[a-z0-9])?`
which means the first character must be a lowercase letter, and all following characters
must be a dash, lowercase letter, or digit, except the last character, which cannot
be a dash.
returned: success
type: str
session_affinity:
description:
- 'Session affinity option. Must be one of these values: - NONE: Connections from
the same client IP may go to any instance in the pool.'
- "- CLIENT_IP: Connections from the same client IP will go to the same instance
in the pool while that instance remains healthy."
- "- CLIENT_IP_PROTO: Connections from the same client IP with the same IP protocol
will go to the same instance in the pool while that instance remains healthy."
returned: success
type: str
region:
description:
- A reference to Region resource.
returned: success
type: str
'''
################################################################################
# Imports
################################################################################
from ansible.module_utils.gcp_utils import navigate_hash, GcpSession, GcpModule, GcpRequest, replace_resource_dict
import json
import time
################################################################################
# Main
################################################################################
def main():
"""Main function"""
module = GcpModule(
argument_spec=dict(
state=dict(default='present', choices=['present', 'absent'], type='str'),
backup_pool=dict(type='dict'),
description=dict(type='str'),
failover_ratio=dict(type='str'),
health_check=dict(type='dict'),
instances=dict(type='list', elements='dict'),
name=dict(required=True, type='str'),
session_affinity=dict(type='str', choices=['NONE', 'CLIENT_IP', 'CLIENT_IP_PROTO']),
region=dict(required=True, type='str')
)
)
state = module.params['state']
kind = 'compute#targetPool'
fetch = fetch_resource(module, self_link(module), kind)
changed = False
if fetch:
if state == 'present':
if is_different(module, fetch):
fetch = update(module, self_link(module), kind, fetch)
changed = True
else:
delete(module, self_link(module), kind, fetch)
fetch = {}
changed = True
else:
if state == 'present':
fetch = create(module, collection(module), kind)
changed = True
else:
fetch = {}
fetch.update({'changed': changed})
module.exit_json(**fetch)
def create(module, link, kind):
auth = GcpSession(module, 'compute')
return wait_for_operation(module, auth.post(link, resource_to_request(module)))
def update(module, link, kind, fetch):
auth = GcpSession(module, 'compute')
return wait_for_operation(module, auth.put(link, resource_to_request(module)))
def delete(module, link, kind, fetch):
auth = GcpSession(module, 'compute')
return wait_for_operation(module, auth.delete(link))
def resource_to_request(module):
request = {
u'kind': 'compute#targetPool',
u'backupPool': replace_resource_dict(module.params.get(u'backup_pool', {}), 'selfLink'),
u'description': module.params.get('description'),
u'failoverRatio': module.params.get('failover_ratio'),
u'healthCheck': replace_resource_dict(module.params.get(u'health_check', {}), 'selfLink'),
u'instances': replace_resource_dict(module.params.get('instances', []), 'selfLink'),
u'name': module.params.get('name'),
u'sessionAffinity': module.params.get('session_affinity')
}
request = encode_request(request, module)
return_vals = {}
for k, v in request.items():
if v:
return_vals[k] = v
return return_vals
def fetch_resource(module, link, kind):
auth = GcpSession(module, 'compute')
return return_if_object(module, auth.get(link), kind)
def self_link(module):
return "https://www.googleapis.com/compute/v1/projects/{project}/regions/{region}/targetPools/{name}".format(**module.params)
def collection(module):
return "https://www.googleapis.com/compute/v1/projects/{project}/regions/{region}/targetPools".format(**module.params)
def return_if_object(module, response, kind):
# If not found, return nothing.
if response.status_code == 404:
return None
# If no content, return nothing.
if response.status_code == 204:
return None
try:
module.raise_for_status(response)
result = response.json()
except getattr(json.decoder, 'JSONDecodeError', ValueError) as inst:
module.fail_json(msg="Invalid JSON response with error: %s" % inst)
result = decode_request(result, module)
if navigate_hash(result, ['error', 'errors']):
module.fail_json(msg=navigate_hash(result, ['error', 'errors']))
if result['kind'] != kind:
module.fail_json(msg="Incorrect result: {kind}".format(**result))
return result
def is_different(module, response):
request = resource_to_request(module)
response = response_to_hash(module, response)
request = decode_request(request, module)
# Remove all output-only from response.
response_vals = {}
for k, v in response.items():
if k in request:
response_vals[k] = v
request_vals = {}
for k, v in request.items():
if k in response:
request_vals[k] = v
return GcpRequest(request_vals) != GcpRequest(response_vals)
# Remove unnecessary properties from the response.
# This is for doing comparisons with Ansible's current parameters.
def response_to_hash(module, response):
return {
u'backupPool': response.get(u'backupPool'),
u'creationTimestamp': response.get(u'creationTimestamp'),
u'description': response.get(u'description'),
u'failoverRatio': response.get(u'failoverRatio'),
u'healthCheck': response.get(u'healthCheck'),
u'id': response.get(u'id'),
u'instances': response.get(u'instances'),
u'name': response.get(u'name'),
u'sessionAffinity': response.get(u'sessionAffinity')
}
def async_op_url(module, extra_data=None):
if extra_data is None:
extra_data = {}
url = "https://www.googleapis.com/compute/v1/projects/{project}/regions/{region}/operations/{op_id}"
combined = extra_data.copy()
combined.update(module.params)
return url.format(**combined)
def wait_for_operation(module, response):
op_result = return_if_object(module, response, 'compute#operation')
if op_result is None:
return None
status = navigate_hash(op_result, ['status'])
wait_done = wait_for_completion(status, op_result, module)
return fetch_resource(module, navigate_hash(wait_done, ['targetLink']), 'compute#targetPool')
def wait_for_completion(status, op_result, module):
op_id = navigate_hash(op_result, ['name'])
op_uri = async_op_url(module, {'op_id': op_id})
while status != 'DONE':
raise_if_errors(op_result, ['error', 'errors'], 'message')
time.sleep(1.0)
if status not in ['PENDING', 'RUNNING', 'DONE']:
module.fail_json(msg="Invalid result %s" % status)
op_result = fetch_resource(module, op_uri, 'compute#operation')
status = navigate_hash(op_result, ['status'])
return op_result
def raise_if_errors(response, err_path, module):
errors = navigate_hash(response, err_path)
if errors is not None:
module.fail_json(msg=errors)
# Mask the fact healthChecks array is actually a single object of type
# HttpHealthCheck.
#
# Google Compute Engine API defines healthChecks as a list but it can only
# take [0, 1] elements. To make it simpler to declare we'll map that to a
# single object and encode/decode as appropriate.
def encode_request(request, module):
if 'healthCheck' in request:
request['healthChecks'] = [request['healthCheck']]
del request['healthCheck']
return request
# Mask healthChecks into a single element.
# @see encode_request for details
def decode_request(response, module):
if response['kind'] != 'compute#targetPool':
return response
# Map healthChecks[0] => healthCheck
if 'healthChecks' in response:
if not response['healthChecks']:
response['healthCheck'] = response['healthChecks'][0]
del response['healthChecks']
return response
if __name__ == '__main__':
main()

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cloud/gcp
unsupported

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test/integration/targets/gcp_compute_target_pool/defaults/main.yml Normal file
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---
# defaults file
resource_name: '{{resource_prefix}}'

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test/integration/targets/gcp_compute_target_pool/meta/main.yml Normal file
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---
# ----------------------------------------------------------------------------
#
# *** AUTO GENERATED CODE *** AUTO GENERATED CODE ***
#
# ----------------------------------------------------------------------------
#
# This file is automatically generated by Magic Modules and manual
# changes will be clobbered when the file is regenerated.
#
# Please read more about how to change this file at
# https://www.github.com/GoogleCloudPlatform/magic-modules
#
# ----------------------------------------------------------------------------
# Pre-test setup
- name: delete a target pool
gcp_compute_target_pool:
name: "{{ resource_name }}"
region: 'us-west1'
project: "{{ gcp_project }}"
auth_kind: "{{ gcp_cred_kind }}"
service_account_file: "{{ gcp_cred_file }}"
scopes:
- https://www.googleapis.com/auth/compute
state: absent
#----------------------------------------------------------
- name: create a target pool
gcp_compute_target_pool:
name: "{{ resource_name }}"
region: 'us-west1'
project: "{{ gcp_project }}"
auth_kind: "{{ gcp_cred_kind }}"
service_account_file: "{{ gcp_cred_file }}"
scopes:
- https://www.googleapis.com/auth/compute
state: present
register: result
- name: assert changed is true
assert:
that:
- result.changed == true
- "result.kind == 'compute#targetPool'"
- name: verify that target_pool was created
shell: |
gcloud compute target-pools describe --project="{{ gcp_project}}" --region=us-west1 "{{ resource_name }}"
register: results
- name: verify that command succeeded
assert:
that:
- results.rc == 0
# ----------------------------------------------------------------------------
- name: create a target pool that already exists
gcp_compute_target_pool:
name: "{{ resource_name }}"
region: 'us-west1'
project: "{{ gcp_project }}"
auth_kind: "{{ gcp_cred_kind }}"
service_account_file: "{{ gcp_cred_file }}"
scopes:
- https://www.googleapis.com/auth/compute
state: present
register: result
- name: assert changed is false
assert:
that:
- result.changed == false
- "result.kind == 'compute#targetPool'"
#----------------------------------------------------------
- name: delete a target pool
gcp_compute_target_pool:
name: "{{ resource_name }}"
region: 'us-west1'
project: "{{ gcp_project }}"
auth_kind: "{{ gcp_cred_kind }}"
service_account_file: "{{ gcp_cred_file }}"
scopes:
- https://www.googleapis.com/auth/compute
state: absent
register: result
- name: assert changed is true
assert:
that:
- result.changed == true
- result.has_key('kind') == False
- name: verify that target_pool was deleted
shell: |
gcloud compute target-pools describe --project="{{ gcp_project}}" --region=us-west1 "{{ resource_name }}"
register: results
failed_when: results.rc == 0
- name: verify that command succeeded
assert:
that:
- results.rc == 1
- "\"'projects/{{ gcp_project }}/regions/us-west1/targetPools/{{ resource_name }}' was not found\" in results.stderr"
# ----------------------------------------------------------------------------
- name: delete a target pool that does not exist
gcp_compute_target_pool:
name: "{{ resource_name }}"
region: 'us-west1'
project: "{{ gcp_project }}"
auth_kind: "{{ gcp_cred_kind }}"
service_account_file: "{{ gcp_cred_file }}"
scopes:
- https://www.googleapis.com/auth/compute
state: absent
register: result
- name: assert changed is false
assert:
that:
- result.changed == false
- result.has_key('kind') == False