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Updates to Windows Azure inventory script from Tower. Includes changes from https://github.com/ansible/ansible/pull/8403.

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This commit is contained in:
Chris Church 2015-08-10 17:35:47 -04:00
parent d745ffbc1b
commit 4ccdb81bf5
2 changed files with 85 additions and 22 deletions
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3
contrib/inventory/windows_azure.ini
View file

@ -13,8 +13,9 @@
# API calls to Windows Azure may be slow. For this reason, we cache the results
# of an API call. Set this to the path you want cache files to be written to.
# One file will be written to this directory:
# Two files will be written to this directory:
# - ansible-azure.cache
# - ansible-azure.index
#
cache_path = /tmp

104
contrib/inventory/windows_azure.py
View file

@ -65,6 +65,14 @@ class AzureInventory(object):
self.inventory = {}
# Index of deployment name -> host
self.index = {}
self.host_metadata = {}
# Cache setting defaults.
# These can be overridden in settings (see `read_settings`).
cache_dir = os.path.expanduser('~')
self.cache_path_cache = os.path.join(cache_dir, '.ansible-azure.cache')
self.cache_path_index = os.path.join(cache_dir, '.ansible-azure.index')
self.cache_max_age = 0
# Read settings and parse CLI arguments
self.read_settings()
@ -82,15 +90,37 @@ class AzureInventory(object):
if self.args.list_images:
data_to_print = self.json_format_dict(self.get_images(), True)
elif self.args.list:
elif self.args.list or self.args.host:
# Display list of nodes for inventory
if len(self.inventory) == 0:
data_to_print = self.get_inventory_from_cache()
data = json.loads(self.get_inventory_from_cache())
else:
data_to_print = self.json_format_dict(self.inventory, True)
data = self.inventory
if self.args.host:
data_to_print = self.get_host(self.args.host)
else:
# Add the `['_meta']['hostvars']` information.
hostvars = {}
if len(data) > 0:
for host in set([h for hosts in data.values() for h in hosts if h]):
hostvars[host] = self.get_host(host, jsonify=False)
data['_meta'] = {'hostvars': hostvars}
# JSONify the data.
data_to_print = self.json_format_dict(data, pretty=True)
print data_to_print
def get_host(self, hostname, jsonify=True):
"""Return information about the given hostname, based on what
the Windows Azure API provides.
"""
if hostname not in self.host_metadata:
return "No host found: %s" % json.dumps(self.host_metadata)
if jsonify:
return json.dumps(self.host_metadata[hostname])
return self.host_metadata[hostname]
def get_images(self):
images = []
for image in self.sms.list_os_images():
@ -121,28 +151,36 @@ class AzureInventory(object):
# Cache related
if config.has_option('azure', 'cache_path'):
cache_path = config.get('azure', 'cache_path')
self.cache_path_cache = cache_path + "/ansible-azure.cache"
self.cache_path_index = cache_path + "/ansible-azure.index"
cache_path = os.path.expandvars(os.path.expanduser(config.get('azure', 'cache_path')))
self.cache_path_cache = os.path.join(cache_path, 'ansible-azure.cache')
self.cache_path_index = os.path.join(cache_path, 'ansible-azure.index')
if config.has_option('azure', 'cache_max_age'):
self.cache_max_age = config.getint('azure', 'cache_max_age')
def read_environment(self):
''' Reads the settings from environment variables '''
# Credentials
if os.getenv("AZURE_SUBSCRIPTION_ID"): self.subscription_id = os.getenv("AZURE_SUBSCRIPTION_ID")
if os.getenv("AZURE_CERT_PATH"): self.cert_path = os.getenv("AZURE_CERT_PATH")
if os.getenv("AZURE_SUBSCRIPTION_ID"):
self.subscription_id = os.getenv("AZURE_SUBSCRIPTION_ID")
if os.getenv("AZURE_CERT_PATH"):
self.cert_path = os.getenv("AZURE_CERT_PATH")
def parse_cli_args(self):
"""Command line argument processing"""
parser = argparse.ArgumentParser(description='Produce an Ansible Inventory file based on Azure')
parser = argparse.ArgumentParser(
description='Produce an Ansible Inventory file based on Azure',
)
parser.add_argument('--list', action='store_true', default=True,
help='List nodes (default: True)')
help='List nodes (default: True)')
parser.add_argument('--list-images', action='store',
help='Get all available images.')
parser.add_argument('--refresh-cache', action='store_true', default=False,
help='Force refresh of cache by making API requests to Azure (default: False - use cache files)')
help='Get all available images.')
parser.add_argument('--refresh-cache',
action='store_true', default=False,
help='Force refresh of thecache by making API requests to Azure '
'(default: False - use cache files)',
)
parser.add_argument('--host', action='store',
help='Get all information about an instance.')
self.args = parser.parse_args()
def do_api_calls_update_cache(self):
@ -163,11 +201,12 @@ class AzureInventory(object):
sys.exit(1)
def add_deployments(self, cloud_service):
"""Makes an Azure API call to get the list of virtual machines associated with a cloud service"""
"""Makes an Azure API call to get the list of virtual machines
associated with a cloud service.
"""
try:
for deployment in self.sms.get_hosted_service_properties(cloud_service.service_name,embed_detail=True).deployments.deployments:
if deployment.deployment_slot == "Production":
self.add_deployment(cloud_service, deployment)
self.add_deployment(cloud_service, deployment)
except WindowsAzureError as e:
print "Looks like Azure's API is down:"
print
@ -176,20 +215,43 @@ class AzureInventory(object):
def add_deployment(self, cloud_service, deployment):
"""Adds a deployment to the inventory and index"""
for role in deployment.role_instance_list.role_instances:
try:
# Default port 22 unless port found with name 'SSH'
port = '22'
for ie in role.instance_endpoints.instance_endpoints:
if ie.name == 'SSH':
port = ie.public_port
break
except AttributeError as e:
pass
finally:
self.add_instance(role.instance_name, deployment, port, cloud_service, role.instance_status)
def add_instance(self, hostname, deployment, ssh_port, cloud_service, status):
"""Adds an instance to the inventory and index"""
dest = urlparse(deployment.url).hostname
# Add to index
self.index[dest] = deployment.name
self.index[hostname] = deployment.name
self.host_metadata[hostname] = dict(ansible_ssh_host=dest,
ansible_ssh_port=int(ssh_port),
instance_status=status,
private_id=deployment.private_id)
# List of all azure deployments
self.push(self.inventory, "azure", dest)
self.push(self.inventory, "azure", hostname)
# Inventory: Group by service name
self.push(self.inventory, self.to_safe(cloud_service.service_name), dest)
self.push(self.inventory, self.to_safe(cloud_service.service_name), hostname)
if int(ssh_port) == 22:
self.push(self.inventory, "Cloud_services", hostname)
# Inventory: Group by region
self.push(self.inventory, self.to_safe(cloud_service.hosted_service_properties.location), dest)
self.push(self.inventory, self.to_safe(cloud_service.hosted_service_properties.location), hostname)
def push(self, my_dict, key, element):
"""Pushed an element onto an array that may not have been defined in the dict."""