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Add option for tower inventory to give general metadata (#52747)

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This commit is contained in:
Alan Rominger 2019-03-06 10:32:05 -05:00 committed by John R Barker
parent 4ac317239c
commit e21ca4a00d
1 changed files with 34 additions and 18 deletions
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52
lib/ansible/plugins/inventory/tower.py
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@ -59,6 +59,11 @@ DOCUMENTATION = '''
env:
- name: TOWER_VERIFY_SSL
required: False
include_metadata:
description: Make extra requests to provide all group vars with metadata about the source Ansible Tower host.
type: bool
default: False
version_added: "2.8"
'''
EXAMPLES = '''
@ -110,20 +115,11 @@ class InventoryModule(BaseInventoryPlugin):
# If the user supplies '@tower_inventory' as path, the plugin will read from environment variables.
no_config_file_supplied = False
def read_tower_inventory(self, tower_host, tower_user, tower_pass, inventory, verify_ssl=True):
if not re.match('(?:http|https)://', tower_host):
tower_host = 'https://{tower_host}'.format(tower_host=tower_host)
inventory_id = inventory.replace('/', '')
inventory_url = '/api/v2/inventories/{inv_id}/script/?hostvars=1&towervars=1&all=1'.format(inv_id=inventory_id)
inventory_url = urljoin(tower_host, inventory_url)
request_handler = Request(url_username=tower_user,
url_password=tower_pass,
force_basic_auth=True,
validate_certs=verify_ssl)
def make_request(self, request_handler, tower_url):
"""Makes the request to given URL, handles errors, returns JSON
"""
try:
response = request_handler.get(inventory_url)
response = request_handler.get(tower_url)
except (ConnectionError, urllib_error.URLError, socket.error, httplib.HTTPException) as e:
error_msg = 'Connection to remote host failed: {err}'.format(err=e)
# If Tower gives a readable error message, display that message to the user.
@ -153,11 +149,20 @@ class InventoryModule(BaseInventoryPlugin):
self._read_config_data(path)
# Read inventory from tower server.
# Note the environment variables will be handled automatically by InventoryManager.
inventory = self.read_tower_inventory(self.get_option('host'),
self.get_option('username'),
self.get_option('password'),
self.get_option('inventory_id'),
verify_ssl=self.get_option('verify_ssl'))
tower_host = self.get_option('host')
if not re.match('(?:http|https)://', tower_host):
tower_host = 'https://{tower_host}'.format(tower_host=tower_host)
request_handler = Request(url_username=self.get_option('username'),
url_password=self.get_option('password'),
force_basic_auth=True,
validate_certs=self.get_option('verify_ssl'))
inventory_id = self.get_option('inventory_id').replace('/', '')
inventory_url = '/api/v2/inventories/{inv_id}/script/?hostvars=1&towervars=1&all=1'.format(inv_id=inventory_id)
inventory_url = urljoin(tower_host, inventory_url)
inventory = self.make_request(request_handler, inventory_url)
# To start with, create all the groups.
for group_name in inventory:
if group_name != '_meta':
@ -183,5 +188,16 @@ class InventoryModule(BaseInventoryPlugin):
if group_name != '_meta':
for var_name, var_value in six.iteritems(group_content.get('vars', {})):
self.inventory.set_variable(group_name, var_name, var_value)
# Fetch extra variables if told to do so
if self.get_option('include_metadata'):
config_url = urljoin(tower_host, '/api/v2/config/')
config_data = self.make_request(request_handler, config_url)
server_data = {}
server_data['license_type'] = config_data.get('license_info', {}).get('license_type', 'unknown')
for key in ('version', 'ansible_version'):
server_data[key] = config_data.get(key, 'unknown')
self.inventory.set_variable('all', 'tower_metadata', server_data)
# Clean up the inventory.
self.inventory.reconcile_inventory()