Merge pull request #11446 from cchurch/windows_azure_from_tower
Updates to Windows Azure inventory from Tower.
This commit is contained in:
commit
86100da3a0
2 changed files with 85 additions and 22 deletions
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@ -13,8 +13,9 @@
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# API calls to Windows Azure may be slow. For this reason, we cache the results
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# of an API call. Set this to the path you want cache files to be written to.
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# One file will be written to this directory:
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# Two files will be written to this directory:
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# - ansible-azure.cache
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# - ansible-azure.index
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#
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cache_path = /tmp
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@ -65,6 +65,14 @@ class AzureInventory(object):
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self.inventory = {}
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# Index of deployment name -> host
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self.index = {}
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self.host_metadata = {}
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# Cache setting defaults.
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# These can be overridden in settings (see `read_settings`).
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cache_dir = os.path.expanduser('~')
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self.cache_path_cache = os.path.join(cache_dir, '.ansible-azure.cache')
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self.cache_path_index = os.path.join(cache_dir, '.ansible-azure.index')
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self.cache_max_age = 0
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# Read settings and parse CLI arguments
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self.read_settings()
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@ -82,15 +90,37 @@ class AzureInventory(object):
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if self.args.list_images:
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data_to_print = self.json_format_dict(self.get_images(), True)
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elif self.args.list:
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elif self.args.list or self.args.host:
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# Display list of nodes for inventory
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if len(self.inventory) == 0:
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data_to_print = self.get_inventory_from_cache()
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data = json.loads(self.get_inventory_from_cache())
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else:
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data_to_print = self.json_format_dict(self.inventory, True)
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data = self.inventory
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if self.args.host:
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data_to_print = self.get_host(self.args.host)
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else:
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# Add the `['_meta']['hostvars']` information.
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hostvars = {}
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if len(data) > 0:
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for host in set([h for hosts in data.values() for h in hosts if h]):
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hostvars[host] = self.get_host(host, jsonify=False)
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data['_meta'] = {'hostvars': hostvars}
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# JSONify the data.
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data_to_print = self.json_format_dict(data, pretty=True)
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print data_to_print
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def get_host(self, hostname, jsonify=True):
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"""Return information about the given hostname, based on what
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the Windows Azure API provides.
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"""
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if hostname not in self.host_metadata:
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return "No host found: %s" % json.dumps(self.host_metadata)
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if jsonify:
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return json.dumps(self.host_metadata[hostname])
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return self.host_metadata[hostname]
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def get_images(self):
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images = []
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for image in self.sms.list_os_images():
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@ -121,28 +151,36 @@ class AzureInventory(object):
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# Cache related
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if config.has_option('azure', 'cache_path'):
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cache_path = config.get('azure', 'cache_path')
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self.cache_path_cache = cache_path + "/ansible-azure.cache"
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self.cache_path_index = cache_path + "/ansible-azure.index"
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cache_path = os.path.expandvars(os.path.expanduser(config.get('azure', 'cache_path')))
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self.cache_path_cache = os.path.join(cache_path, 'ansible-azure.cache')
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self.cache_path_index = os.path.join(cache_path, 'ansible-azure.index')
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if config.has_option('azure', 'cache_max_age'):
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self.cache_max_age = config.getint('azure', 'cache_max_age')
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def read_environment(self):
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''' Reads the settings from environment variables '''
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# Credentials
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if os.getenv("AZURE_SUBSCRIPTION_ID"): self.subscription_id = os.getenv("AZURE_SUBSCRIPTION_ID")
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if os.getenv("AZURE_CERT_PATH"): self.cert_path = os.getenv("AZURE_CERT_PATH")
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if os.getenv("AZURE_SUBSCRIPTION_ID"):
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self.subscription_id = os.getenv("AZURE_SUBSCRIPTION_ID")
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if os.getenv("AZURE_CERT_PATH"):
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self.cert_path = os.getenv("AZURE_CERT_PATH")
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def parse_cli_args(self):
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"""Command line argument processing"""
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parser = argparse.ArgumentParser(description='Produce an Ansible Inventory file based on Azure')
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parser = argparse.ArgumentParser(
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description='Produce an Ansible Inventory file based on Azure',
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)
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parser.add_argument('--list', action='store_true', default=True,
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help='List nodes (default: True)')
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parser.add_argument('--list-images', action='store',
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help='Get all available images.')
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parser.add_argument('--refresh-cache', action='store_true', default=False,
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help='Force refresh of cache by making API requests to Azure (default: False - use cache files)')
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parser.add_argument('--refresh-cache',
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action='store_true', default=False,
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help='Force refresh of thecache by making API requests to Azure '
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'(default: False - use cache files)',
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)
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parser.add_argument('--host', action='store',
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help='Get all information about an instance.')
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self.args = parser.parse_args()
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def do_api_calls_update_cache(self):
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@ -163,10 +201,11 @@ class AzureInventory(object):
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sys.exit(1)
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def add_deployments(self, cloud_service):
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"""Makes an Azure API call to get the list of virtual machines associated with a cloud service"""
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"""Makes an Azure API call to get the list of virtual machines
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associated with a cloud service.
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"""
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try:
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for deployment in self.sms.get_hosted_service_properties(cloud_service.service_name,embed_detail=True).deployments.deployments:
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if deployment.deployment_slot == "Production":
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self.add_deployment(cloud_service, deployment)
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except WindowsAzureError as e:
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print "Looks like Azure's API is down:"
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@ -176,20 +215,43 @@ class AzureInventory(object):
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def add_deployment(self, cloud_service, deployment):
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"""Adds a deployment to the inventory and index"""
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for role in deployment.role_instance_list.role_instances:
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try:
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# Default port 22 unless port found with name 'SSH'
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port = '22'
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for ie in role.instance_endpoints.instance_endpoints:
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if ie.name == 'SSH':
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port = ie.public_port
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break
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except AttributeError as e:
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pass
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finally:
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self.add_instance(role.instance_name, deployment, port, cloud_service, role.instance_status)
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def add_instance(self, hostname, deployment, ssh_port, cloud_service, status):
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"""Adds an instance to the inventory and index"""
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dest = urlparse(deployment.url).hostname
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# Add to index
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self.index[dest] = deployment.name
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self.index[hostname] = deployment.name
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self.host_metadata[hostname] = dict(ansible_ssh_host=dest,
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ansible_ssh_port=int(ssh_port),
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instance_status=status,
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private_id=deployment.private_id)
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# List of all azure deployments
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self.push(self.inventory, "azure", dest)
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self.push(self.inventory, "azure", hostname)
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# Inventory: Group by service name
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self.push(self.inventory, self.to_safe(cloud_service.service_name), dest)
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self.push(self.inventory, self.to_safe(cloud_service.service_name), hostname)
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if int(ssh_port) == 22:
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self.push(self.inventory, "Cloud_services", hostname)
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# Inventory: Group by region
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self.push(self.inventory, self.to_safe(cloud_service.hosted_service_properties.location), dest)
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self.push(self.inventory, self.to_safe(cloud_service.hosted_service_properties.location), hostname)
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def push(self, my_dict, key, element):
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"""Pushed an element onto an array that may not have been defined in the dict."""
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