app engine firewall rules (#266)

Signed-off-by: Modular Magician <magic-modules@google.com>

plugins/modules/gcp_appengine_firewall_rule.py

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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_appengine_firewall_rule
+description:
+- A single firewall rule that is evaluated against incoming traffic and provides an
+  action to take on matched requests.
+short_description: Creates a GCP FirewallRule
+version_added: 2.9
+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
+  description:
+    description:
+    - An optional string description of this rule.
+    required: false
+  source_range:
+    description:
+    - IP address or range, defined using CIDR notation, of requests that this rule
+      applies to.
+    required: true
+  action:
+    description:
+    - The action to take if this rule matches.
+    - 'Some valid choices include: "UNSPECIFIED_ACTION", "ALLOW", "DENY"'
+    required: true
+  priority:
+    description:
+    - A positive integer that defines the order of rule evaluation.
+    - Rules with the lowest priority are evaluated first.
+    - A default rule at priority Int32.MaxValue matches all IPv4 and IPv6 traffic
+      when no previous rule matches. Only the action of this rule can be modified
+      by the user.
+    required: false
+extends_documentation_fragment: gcp
+notes:
+- 'API Reference: U(https://cloud.google.com/appengine/docs/admin-api/reference/rest/v1/apps.firewall.ingressRules)'
+- 'Official Documentation: U(https://cloud.google.com/appengine/docs/standard/python/creating-firewalls#creating_firewall_rules)'
+'''
+
+EXAMPLES = '''
+- name: create a firewall rule
+  gcp_appengine_firewall_rule:
+    priority: 1000
+    source_range: 10.0.0.0
+    action: ALLOW
+    project: test_project
+    auth_kind: serviceaccount
+    service_account_file: "/tmp/auth.pem"
+    state: present
+'''
+
+RETURN = '''
+description:
+  description:
+  - An optional string description of this rule.
+  returned: success
+  type: str
+sourceRange:
+  description:
+  - IP address or range, defined using CIDR notation, of requests that this rule applies
+    to.
+  returned: success
+  type: str
+action:
+  description:
+  - The action to take if this rule matches.
+  returned: success
+  type: str
+priority:
+  description:
+  - A positive integer that defines the order of rule evaluation.
+  - Rules with the lowest priority are evaluated first.
+  - A default rule at priority Int32.MaxValue matches all IPv4 and IPv6 traffic when
+    no previous rule matches. Only the action of this rule can be modified by the
+    user.
+  returned: success
+  type: int
+'''
+
+################################################################################
+# Imports
+################################################################################
+
+from ansible.module_utils.gcp_utils import navigate_hash, GcpSession, GcpModule, GcpRequest, replace_resource_dict
+import json
+
+################################################################################
+# Main
+################################################################################
+
+
+def main():
+    """Main function"""
+
+    module = GcpModule(
+        argument_spec=dict(
+            state=dict(default='present', choices=['present', 'absent'], type='str'),
+            description=dict(type='str'),
+            source_range=dict(required=True, type='str'),
+            action=dict(required=True, type='str'),
+            priority=dict(type='int'),
+        )
+    )
+
+    if not module.params['scopes']:
+        module.params['scopes'] = ['https://www.googleapis.com/auth/cloud-platform']
+
+    state = module.params['state']
+
+    fetch = fetch_resource(module, self_link(module))
+    changed = False
+
+    if fetch:
+        if state == 'present':
+            if is_different(module, fetch):
+                update(module, self_link(module), fetch)
+                fetch = fetch_resource(module, self_link(module))
+                changed = True
+        else:
+            delete(module, self_link(module))
+            fetch = {}
+            changed = True
+    else:
+        if state == 'present':
+            fetch = create(module, collection(module))
+            changed = True
+        else:
+            fetch = {}
+
+    fetch.update({'changed': changed})
+
+    module.exit_json(**fetch)
+
+
+def create(module, link):
+    auth = GcpSession(module, 'appengine')
+    return return_if_object(module, auth.post(link, resource_to_request(module)))
+
+
+def update(module, link, fetch):
+    auth = GcpSession(module, 'appengine')
+    params = {'updateMask': updateMask(resource_to_request(module), response_to_hash(module, fetch))}
+    request = resource_to_request(module)
+    del request['name']
+    return return_if_object(module, auth.patch(link, request, params=params))
+
+
+def updateMask(request, response):
+    update_mask = []
+    if request.get('description') != response.get('description'):
+        update_mask.append('description')
+    if request.get('sourceRange') != response.get('sourceRange'):
+        update_mask.append('sourceRange')
+    if request.get('action') != response.get('action'):
+        update_mask.append('action')
+    if request.get('priority') != response.get('priority'):
+        update_mask.append('priority')
+    return ','.join(update_mask)
+
+
+def delete(module, link):
+    auth = GcpSession(module, 'appengine')
+    return return_if_object(module, auth.delete(link))
+
+
+def resource_to_request(module):
+    request = {u'description': module.params.get('description'), u'sourceRange': module.params.get('source_range'), u'action': module.params.get('action')}
+    return_vals = {}
+    for k, v in request.items():
+        if v or v is False:
+            return_vals[k] = v
+
+    return return_vals
+
+
+def fetch_resource(module, link, allow_not_found=True):
+    auth = GcpSession(module, 'appengine')
+    return return_if_object(module, auth.get(link), allow_not_found)
+
+
+def self_link(module):
+    return "https://appengine.googleapis.com/v1/apps/{project}/firewall/ingressRules/{priority}".format(**module.params)
+
+
+def collection(module):
+    return "https://appengine.googleapis.com/v1/apps/{project}/firewall/ingressRules".format(**module.params)
+
+
+def return_if_object(module, response, allow_not_found=False):
+    # If not found, return nothing.
+    if allow_not_found and 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):
+        module.fail_json(msg="Invalid JSON response with error: %s" % response.text)
+
+    if navigate_hash(result, ['error', 'errors']):
+        module.fail_json(msg=navigate_hash(result, ['error', 'errors']))
+
+    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'description': response.get(u'description'), u'sourceRange': response.get(u'sourceRange'), u'action': response.get(u'action')}
+
+
+if __name__ == '__main__':
+    main()

plugins/modules/gcp_appengine_firewall_rule_facts.py

@@ -0,0 +1,146 @@
+#!/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_appengine_firewall_rule_facts
+description:
+- Gather facts for GCP FirewallRule
+short_description: Gather facts for GCP FirewallRule
+version_added: 2.9
+author: Google Inc. (@googlecloudplatform)
+requirements:
+- python >= 2.6
+- requests >= 2.18.4
+- google-auth >= 1.3.0
+options: {}
+extends_documentation_fragment: gcp
+'''
+
+EXAMPLES = '''
+- name: " a firewall rule facts"
+  gcp_appengine_firewall_rule_facts:
+    project: test_project
+    auth_kind: serviceaccount
+    service_account_file: "/tmp/auth.pem"
+    state: facts
+'''
+
+RETURN = '''
+resources:
+  description: List of resources
+  returned: always
+  type: complex
+  contains:
+    description:
+      description:
+      - An optional string description of this rule.
+      returned: success
+      type: str
+    sourceRange:
+      description:
+      - IP address or range, defined using CIDR notation, of requests that this rule
+        applies to.
+      returned: success
+      type: str
+    action:
+      description:
+      - The action to take if this rule matches.
+      returned: success
+      type: str
+    priority:
+      description:
+      - A positive integer that defines the order of rule evaluation.
+      - Rules with the lowest priority are evaluated first.
+      - A default rule at priority Int32.MaxValue matches all IPv4 and IPv6 traffic
+        when no previous rule matches. Only the action of this rule can be modified
+        by the user.
+      returned: success
+      type: int
+'''
+
+################################################################################
+# Imports
+################################################################################
+from ansible.module_utils.gcp_utils import navigate_hash, GcpSession, GcpModule, GcpRequest
+import json
+
+################################################################################
+# Main
+################################################################################
+
+
+def main():
+    module = GcpModule(argument_spec=dict())
+
+    if not module.params['scopes']:
+        module.params['scopes'] = ['https://www.googleapis.com/auth/cloud-platform']
+
+    items = fetch_list(module, collection(module))
+    if items.get('ingressRules'):
+        items = items.get('ingressRules')
+    else:
+        items = []
+    return_value = {'resources': items}
+    module.exit_json(**return_value)
+
+
+def collection(module):
+    return "https://appengine.googleapis.com/v1/apps/{project}/firewall/ingressRules".format(**module.params)
+
+
+def fetch_list(module, link):
+    auth = GcpSession(module, 'appengine')
+    response = auth.get(link)
+    return return_if_object(module, response)
+
+
+def return_if_object(module, response):
+    # 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']))
+
+    return result
+
+
+if __name__ == "__main__":
+    main()

tests/integration/gcp_appengine_firewall_rule/aliases

@@ -0,0 +1,2 @@
+cloud/gcp
+unsupported

tests/integration/gcp_appengine_firewall_rule/defaults/main.yml

@@ -0,0 +1,2 @@
+---
+resource_name: "{{ resource_prefix }}"

tests/integration/gcp_appengine_firewall_rule/tasks/main.yml

@@ -0,0 +1,108 @@
+---
+# ----------------------------------------------------------------------------
+#
+#     ***     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 firewall rule
+  gcp_appengine_firewall_rule:
+    priority: 1000
+    source_range: 10.0.0.0
+    action: ALLOW
+    project: "{{ gcp_project }}"
+    auth_kind: "{{ gcp_cred_kind }}"
+    service_account_file: "{{ gcp_cred_file }}"
+    state: absent
+#----------------------------------------------------------
+- name: create a firewall rule
+  gcp_appengine_firewall_rule:
+    priority: 1000
+    source_range: 10.0.0.0
+    action: ALLOW
+    project: "{{ gcp_project }}"
+    auth_kind: "{{ gcp_cred_kind }}"
+    service_account_file: "{{ gcp_cred_file }}"
+    state: present
+  register: result
+- name: assert changed is true
+  assert:
+    that:
+      - result.changed == true
+- name: verify that firewall_rule was created
+  gcp_appengine_firewall_rule_facts:
+      project: "{{ gcp_project }}"
+      auth_kind: "{{ gcp_cred_kind }}"
+      service_account_file: "{{ gcp_cred_file }}"
+      scopes:
+        - https://www.googleapis.com/auth/cloud-platform
+  register: results
+- name: verify that command succeeded
+  assert:
+    that:
+      - results['resources'] | length >= 1
+# ----------------------------------------------------------------------------
+- name: create a firewall rule that already exists
+  gcp_appengine_firewall_rule:
+    priority: 1000
+    source_range: 10.0.0.0
+    action: ALLOW
+    project: "{{ gcp_project }}"
+    auth_kind: "{{ gcp_cred_kind }}"
+    service_account_file: "{{ gcp_cred_file }}"
+    state: present
+  register: result
+- name: assert changed is false
+  assert:
+    that:
+      - result.changed == false
+#----------------------------------------------------------
+- name: delete a firewall rule
+  gcp_appengine_firewall_rule:
+    priority: 1000
+    source_range: 10.0.0.0
+    action: ALLOW
+    project: "{{ gcp_project }}"
+    auth_kind: "{{ gcp_cred_kind }}"
+    service_account_file: "{{ gcp_cred_file }}"
+    state: absent
+  register: result
+- name: assert changed is true
+  assert:
+    that:
+      - result.changed == true
+- name: verify that firewall_rule was deleted
+  gcp_appengine_firewall_rule_facts:
+      project: "{{ gcp_project }}"
+      auth_kind: "{{ gcp_cred_kind }}"
+      service_account_file: "{{ gcp_cred_file }}"
+      scopes:
+        - https://www.googleapis.com/auth/cloud-platform
+  register: results
+- name: verify that command succeeded
+  assert:
+    that:
+      - results['resources'] | length == 0
+# ----------------------------------------------------------------------------
+- name: delete a firewall rule that does not exist
+  gcp_appengine_firewall_rule:
+    priority: 1000
+    source_range: 10.0.0.0
+    action: ALLOW
+    project: "{{ gcp_project }}"
+    auth_kind: "{{ gcp_cred_kind }}"
+    service_account_file: "{{ gcp_cred_file }}"
+    state: absent
+  register: result
+- name: assert changed is false
+  assert:
+    that:
+      - result.changed == false