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New module: GCP Compute HTTP Health Checks (#36329)

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Alex Stephen 2018-04-25 12:25:23 -07:00 committed by Ryan Brown
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lib/ansible/modules/cloud/google/gcp_compute_http_health_check.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_http_health_check
description:
- An HttpHealthCheck resource. This resource defines a template for how
individual VMs should be checked for health, via HTTP.
short_description: Creates a GCP HttpHealthCheck
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
required: true
choices: ['present', 'absent']
default: 'present'
check_interval_sec:
description:
- How often (in seconds) to send a health check. The default value
is 5 seconds.
required: false
aliases: [check_interval_seconds]
description:
description:
- An optional description of this resource. Provide this property
when you create the resource.
required: false
healthy_threshold:
description:
- A so-far unhealthy instance will be marked healthy after this many
consecutive successes. The default value is 2.
required: false
host:
description:
- The value of the host header in the HTTP health check request. If
left empty (default value), the public IP on behalf of which this
health check is performed will be used.
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
port:
description:
- The TCP port number for the HTTP health check request.
- The default value is 80.
required: false
request_path:
description:
- The request path of the HTTP health check request.
- The default value is /.
required: false
timeout_sec:
description:
- How long (in seconds) to wait before claiming failure.
- The default value is 5 seconds. It is invalid for timeoutSec to
have greater value than checkIntervalSec.
required: false
aliases: [timeout_seconds]
unhealthy_threshold:
description:
- A so-far healthy instance will be marked unhealthy after this many
consecutive failures. The default value is 2.
required: false
extends_documentation_fragment: gcp
'''
EXAMPLES = '''
- name: create a http health check
gcp_compute_http_health_check:
name: testObject
healthy_threshold: 10
port: 8080
timeout_sec: 2
unhealthy_threshold: 5
project: testProject
auth_kind: service_account
service_account_file: /tmp/auth.pem
scopes:
- https://www.googleapis.com/auth/compute
state: present
'''
RETURN = '''
check_interval_sec:
description:
- How often (in seconds) to send a health check. The default value
is 5 seconds.
returned: success
type: int
creation_timestamp:
description:
- Creation timestamp in RFC3339 text format.
returned: success
type: str
description:
description:
- An optional description of this resource. Provide this property
when you create the resource.
returned: success
type: str
healthy_threshold:
description:
- A so-far unhealthy instance will be marked healthy after this many
consecutive successes. The default value is 2.
returned: success
type: int
host:
description:
- The value of the host header in the HTTP health check request. If
left empty (default value), the public IP on behalf of which this
health check is performed will be used.
returned: success
type: str
id:
description:
- The unique identifier for the resource. This identifier is defined
by the server.
returned: success
type: int
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
port:
description:
- The TCP port number for the HTTP health check request.
- The default value is 80.
returned: success
type: int
request_path:
description:
- The request path of the HTTP health check request.
- The default value is /.
returned: success
type: str
timeout_sec:
description:
- How long (in seconds) to wait before claiming failure.
- The default value is 5 seconds. It is invalid for timeoutSec to
have greater value than checkIntervalSec.
returned: success
type: int
unhealthy_threshold:
description:
- A so-far healthy instance will be marked unhealthy after this many
consecutive failures. The default value is 2.
returned: success
type: int
'''
################################################################################
# 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'),
check_interval_sec=dict(type='int', aliases=['check_interval_seconds']),
description=dict(type='str'),
healthy_threshold=dict(type='int'),
host=dict(type='str'),
name=dict(required=True, type='str'),
port=dict(type='int'),
request_path=dict(type='str'),
timeout_sec=dict(type='int', aliases=['timeout_seconds']),
unhealthy_threshold=dict(type='int')
)
)
state = module.params['state']
kind = 'compute#httpHealthCheck'
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#httpHealthCheck',
u'checkIntervalSec': module.params.get('check_interval_sec'),
u'description': module.params.get('description'),
u'healthyThreshold': module.params.get('healthy_threshold'),
u'host': module.params.get('host'),
u'name': module.params.get('name'),
u'port': module.params.get('port'),
u'requestPath': module.params.get('request_path'),
u'timeoutSec': module.params.get('timeout_sec'),
u'unhealthyThreshold': module.params.get('unhealthy_threshold')
}
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}/global/httpHealthChecks/{name}".format(**module.params)
def collection(module):
return "https://www.googleapis.com/compute/v1/projects/{project}/global/httpHealthChecks".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)
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)
# 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'checkIntervalSec': response.get(u'checkIntervalSec'),
u'creationTimestamp': response.get(u'creationTimestamp'),
u'description': response.get(u'description'),
u'healthyThreshold': response.get(u'healthyThreshold'),
u'host': response.get(u'host'),
u'id': response.get(u'id'),
u'name': module.params.get('name'),
u'port': response.get(u'port'),
u'requestPath': response.get(u'requestPath'),
u'timeoutSec': response.get(u'timeoutSec'),
u'unhealthyThreshold': response.get(u'unhealthyThreshold')
}
def async_op_url(module, extra_data=None):
if extra_data is None:
extra_data = {}
url = "https://www.googleapis.com/compute/v1/projects/{project}/global/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#httpHealthCheck')
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)
if __name__ == '__main__':
main()

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test/integration/targets/gcp_compute_http_health_check/aliases Normal file
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cloud/gcp
unsupported

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

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test/integration/targets/gcp_compute_http_health_check/meta/main.yml Normal file
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test/integration/targets/gcp_compute_http_health_check/tasks/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 http health check
gcp_compute_http_health_check:
name: "{{ resource_name }}"
healthy_threshold: 10
port: 8080
timeout_sec: 2
unhealthy_threshold: 5
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 http health check
gcp_compute_http_health_check:
name: "{{ resource_name }}"
healthy_threshold: 10
port: 8080
timeout_sec: 2
unhealthy_threshold: 5
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#httpHealthCheck'"
- name: verify that http_health_check was created
shell: |
gcloud compute http-health-checks describe --project="{{gcp_project}}" "{{ resource_name }}"
register: results
- name: verify that command succeeded
assert:
that:
- results.rc == 0
# ----------------------------------------------------------------------------
- name: create a http health check that already exists
gcp_compute_http_health_check:
name: "{{ resource_name }}"
healthy_threshold: 10
port: 8080
timeout_sec: 2
unhealthy_threshold: 5
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#httpHealthCheck'"
#----------------------------------------------------------
- name: delete a http health check
gcp_compute_http_health_check:
name: "{{ resource_name }}"
healthy_threshold: 10
port: 8080
timeout_sec: 2
unhealthy_threshold: 5
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 http_health_check was deleted
shell: |
gcloud compute http-health-checks describe --project="{{gcp_project}}" "{{ resource_name }}"
register: results
failed_when: results.rc == 0
- name: verify that command succeeded
assert:
that:
- results.rc == 1
- "\"'projects/{{ gcp_project }}/global/httpHealthChecks/{{ resource_name }}' was not found\" in results.stderr"
# ----------------------------------------------------------------------------
- name: delete a http health check that does not exist
gcp_compute_http_health_check:
name: "{{ resource_name }}"
healthy_threshold: 10
port: 8080
timeout_sec: 2
unhealthy_threshold: 5
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