archive
/
ansible
mirror of https://github.com/ansible/ansible.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

Update DigitalOcean dynamic inventory to API v2

Browse Source
pull/10946/head
Aleksey Zhukov 10 years ago
parent bc4d51a4fd
commit 0d3e015dd1
1 changed files with 74 additions and 225 deletions
Show Stats Download Patch File Download Diff File

291
plugins/inventory/digital_ocean.py
Unescape Escape View File

@ -68,10 +68,7 @@ When run against a specific host, this script returns the following variables:
usage: digital_ocean.py [-h] [--list] [--host HOST] [--all]
[--droplets] [--regions] [--images] [--sizes]
[--ssh-keys] [--domains] [--pretty]
[--cache-path CACHE_PATH]
[--cache-max_age CACHE_MAX_AGE]
[--refresh-cache] [--client-id CLIENT_ID]
[--api-key API_KEY]
[--api-token API_TOKEN]
Produce an Ansible Inventory file based on DigitalOcean credentials
@ -89,16 +86,8 @@ optional arguments:
--ssh-keys List SSH keys as JSON
--domains List Domains as JSON
--pretty, -p Pretty-print results
--cache-path CACHE_PATH
Path to the cache files (default: .)
--cache-max_age CACHE_MAX_AGE
Maximum age of the cached items (default: 0)
--refresh-cache Force refresh of cache by making API requests to
DigitalOcean (default: False - use cache files)
--client-id CLIENT_ID, -c CLIENT_ID
DigitalOcean Client ID
--api-key API_KEY, -a API_KEY
DigitalOcean API Key
--api-token API_TOKEN, -a API_TOKEN
DigitalOcean API Token
```
'''
@ -157,11 +146,6 @@ class DigitalOceanInventory(object):
# DigitalOceanInventory data
self.data = {} # All DigitalOcean data
self.inventory = {} # Ansible Inventory
self.index = {} # Various indices of Droplet metadata
# Define defaults
self.cache_path = '.'
self.cache_max_age = 0
# Read settings, environment variables, and CLI arguments
self.read_settings()
@ -169,48 +153,39 @@ class DigitalOceanInventory(object):
self.read_cli_args()
# Verify credentials were set
if not hasattr(self, 'client_id') or not hasattr(self, 'api_key'):
print '''Could not find values for DigitalOcean client_id and api_key.
They must be specified via either ini file, command line argument (--client-id and --api-key),
or environment variables (DO_CLIENT_ID and DO_API_KEY)'''
if not hasattr(self, 'api_token'):
print '''Could not find values for DigitalOcean api_token.
They must be specified via either ini file, command line argument (--api-token),
or environment variables (DO_API_TOKEN)'''
sys.exit(-1)
# env command, show DigitalOcean credentials
if self.args.env:
print "DO_CLIENT_ID=%s DO_API_KEY=%s" % (self.client_id, self.api_key)
print "DO_API_TOKEN=%s" % self.api_token
sys.exit(0)
# Manage cache
self.cache_filename = self.cache_path + "/ansible-digital_ocean.cache"
self.cache_refreshed = False
if not self.args.force_cache and self.args.refresh_cache or not self.is_cache_valid():
self.load_all_data_from_digital_ocean()
else:
self.load_from_cache()
if len(self.data) == 0:
if self.args.force_cache:
print '''Cache is empty and --force-cache was specified'''
sys.exit(-1)
self.load_all_data_from_digital_ocean()
else:
# We always get fresh droplets for --list, --host, --all, and --droplets
# unless --force-cache is specified
if not self.args.force_cache and (
self.args.list or self.args.host or self.args.all or self.args.droplets):
self.load_droplets_from_digital_ocean()
self.manager = DoManager(None, self.api_token, api_version=2)
# Pick the json_data to print based on the CLI command
if self.args.droplets: json_data = { 'droplets': self.data['droplets'] }
elif self.args.regions: json_data = { 'regions': self.data['regions'] }
elif self.args.images: json_data = { 'images': self.data['images'] }
elif self.args.sizes: json_data = { 'sizes': self.data['sizes'] }
elif self.args.ssh_keys: json_data = { 'ssh_keys': self.data['ssh_keys'] }
elif self.args.domains: json_data = { 'domains': self.data['domains'] }
elif self.args.all: json_data = self.data
elif self.args.host: json_data = self.load_droplet_variables_for_host()
if self.args.droplets:
json_data = self.load_from_digital_ocean('droplets')
elif self.args.regions:
json_data = self.load_from_digital_ocean('regions')
elif self.args.images:
json_data = self.load_from_digital_ocean('images')
elif self.args.sizes:
json_data = self.load_from_digital_ocean('sizes')
elif self.args.ssh_keys:
json_data = self.load_from_digital_ocean('ssh_keys')
elif self.args.domains:
json_data = self.load_from_digital_ocean('domains')
elif self.args.all:
json_data = self.load_from_digital_ocean()
elif self.args.host:
json_data = self.load_droplet_variables_for_host()
else: # '--list' this is last to make it default
self.data = self.load_from_digital_ocean('droplets')
self.build_inventory()
json_data = self.inventory
if self.args.pretty:
@ -230,10 +205,8 @@ or environment variables (DO_CLIENT_ID and DO_API_KEY)'''
config.read(os.path.dirname(os.path.realpath(__file__)) + '/digital_ocean.ini')
# Credentials
if config.has_option('digital_ocean', 'client_id'):
self.client_id = config.get('digital_ocean', 'client_id')
if config.has_option('digital_ocean', 'api_key'):
self.api_key = config.get('digital_ocean', 'api_key')
if config.has_option('digital_ocean', 'api_token'):
self.api_token = config.get('digital_ocean', 'api_token')
# Cache related
if config.has_option('digital_ocean', 'cache_path'):
@ -245,8 +218,10 @@ or environment variables (DO_CLIENT_ID and DO_API_KEY)'''
def read_environment(self):
''' Reads the settings from environment variables '''
# Setup credentials
if os.getenv("DO_CLIENT_ID"): self.client_id = os.getenv("DO_CLIENT_ID")
if os.getenv("DO_API_KEY"): self.api_key = os.getenv("DO_API_KEY")
if os.getenv("DO_API_TOKEN"):
self.api_token = os.getenv("DO_API_TOKEN")
if os.getenv("DO_API_KEY"):
self.api_token = os.getenv("DO_API_KEY")
def read_cli_args(self):
@ -266,25 +241,18 @@ or environment variables (DO_CLIENT_ID and DO_API_KEY)'''
parser.add_argument('--pretty','-p', action='store_true', help='Pretty-print results')
parser.add_argument('--cache-path', action='store', help='Path to the cache files (default: .)')
parser.add_argument('--cache-max_age', action='store', help='Maximum age of the cached items (default: 0)')
parser.add_argument('--force-cache', action='store_true', default=False, help='Only use data from the cache')
parser.add_argument('--refresh-cache','-r', action='store_true', default=False, help='Force refresh of cache by making API requests to DigitalOcean (default: False - use cache files)')
parser.add_argument('--env','-e', action='store_true', help='Display DO_CLIENT_ID and DO_API_KEY')
parser.add_argument('--client-id','-c', action='store', help='DigitalOcean Client ID')
parser.add_argument('--api-key','-a', action='store', help='DigitalOcean API Key')
parser.add_argument('--env','-e', action='store_true', help='Display DO_API_TOKEN')
parser.add_argument('--api-token','-a', action='store', help='DigitalOcean API Token')
self.args = parser.parse_args()
if self.args.client_id: self.client_id = self.args.client_id
if self.args.api_key: self.api_key = self.args.api_key
if self.args.cache_path: self.cache_path = self.args.cache_path
if self.args.cache_max_age: self.cache_max_age = self.args.cache_max_age
if self.args.api_token:
self.api_token = self.args.api_token
# Make --list default if none of the other commands are specified
if (not self.args.droplets and not self.args.regions and not self.args.images and
not self.args.sizes and not self.args.ssh_keys and not self.args.domains and
if (not self.args.droplets and not self.args.regions and
not self.args.images and not self.args.sizes and
not self.args.ssh_keys and not self.args.domains and
not self.args.all and not self.args.host):
self.args.list = True
@ -293,46 +261,22 @@ or environment variables (DO_CLIENT_ID and DO_API_KEY)'''
# Data Management
###########################################################################
def load_all_data_from_digital_ocean(self):
''' Use dopy to get all the information from DigitalOcean and save data in cache files '''
manager = DoManager(self.client_id, self.api_key)
self.data = {}
self.data['droplets'] = self.sanitize_list(manager.all_active_droplets())
self.data['regions'] = self.sanitize_list(manager.all_regions())
self.data['images'] = self.sanitize_list(manager.all_images(filter=None))
self.data['sizes'] = self.sanitize_list(manager.sizes())
self.data['ssh_keys'] = self.sanitize_list(manager.all_ssh_keys())
self.data['domains'] = self.sanitize_list(manager.all_domains())
self.index = {}
self.index['region_to_name'] = self.build_index(self.data['regions'], 'id', 'name')
self.index['size_to_name'] = self.build_index(self.data['sizes'], 'id', 'name')
self.index['image_to_name'] = self.build_index(self.data['images'], 'id', 'name')
self.index['image_to_distro'] = self.build_index(self.data['images'], 'id', 'distribution')
self.index['host_to_droplet'] = self.build_index(self.data['droplets'], 'ip_address', 'id', False)
self.build_inventory()
self.write_to_cache()
def load_droplets_from_digital_ocean(self):
''' Use dopy to get droplet information from DigitalOcean and save data in cache files '''
manager = DoManager(self.client_id, self.api_key)
self.data['droplets'] = self.sanitize_list(manager.all_active_droplets())
self.index['host_to_droplet'] = self.build_index(self.data['droplets'], 'ip_address', 'id', False)
self.build_inventory()
self.write_to_cache()
def build_index(self, source_seq, key_from, key_to, use_slug=True):
dest_dict = {}
for item in source_seq:
name = (use_slug and item.has_key('slug')) and item['slug'] or item[key_to]
key = item[key_from]
dest_dict[key] = name
return dest_dict
def load_from_digital_ocean(self, resource=None):
'''Get JSON from DigitalOcean API'''
json_data = {}
if resource == 'droplets' or resource is None:
json_data['droplets'] = self.manager.all_active_droplets()
if resource == 'regions' or resource is None:
json_data['regions'] = self.manager.all_regions()
if resource == 'images' or resource is None:
json_data['images'] = self.manager.all_images(filter=None)
if resource == 'sizes' or resource is None:
json_data['sizes'] = self.manager.sizes()
if resource == 'ssh_keys' or resource is None:
json_data['ssh_keys'] = self.manager.all_ssh_keys()
if resource == 'domains' or resource is None:
json_data['domains'] = self.manager.all_domains()
return json_data
def build_inventory(self):
@ -345,107 +289,27 @@ or environment variables (DO_CLIENT_ID and DO_API_KEY)'''
self.inventory[droplet['id']] = [dest]
self.push(self.inventory, droplet['name'], dest)
self.push(self.inventory, 'region_'+droplet['region_id'], dest)
self.push(self.inventory, 'image_' +droplet['image_id'], dest)
self.push(self.inventory, 'size_' +droplet['size_id'], dest)
self.push(self.inventory, 'status_'+droplet['status'], dest)
self.push(self.inventory, 'region_' + droplet['region']['slug'], dest)
self.push(self.inventory, 'image_' + str(droplet['image']['id']), dest)
self.push(self.inventory, 'size_' + droplet['size']['slug'], dest)
region_name = self.index['region_to_name'].get(droplet['region_id'])
if region_name:
self.push(self.inventory, 'region_'+region_name, dest)
size_name = self.index['size_to_name'].get(droplet['size_id'])
if size_name:
self.push(self.inventory, 'size_'+size_name, dest)
image_name = self.index['image_to_name'].get(droplet['image_id'])
image_slug = droplet['image']['slug']
if image_slug:
self.push(self.inventory, 'image_' + self.to_safe(image_slug), dest)
else:
image_name = droplet['image']['name']
if image_name:
self.push(self.inventory, 'image_'+image_name, dest)
self.push(self.inventory, 'image_' + self.to_safe(image_name), dest)
distro_name = self.index['image_to_distro'].get(droplet['image_id'])
if distro_name:
self.push(self.inventory, 'distro_'+distro_name, dest)
self.push(self.inventory, 'distro_' + self.to_safe(droplet['image']['distribution']), dest)
self.push(self.inventory, 'status_' + droplet['status'], dest)
def load_droplet_variables_for_host(self):
'''Generate a JSON response to a --host call'''
host = self.to_safe(str(self.args.host))
if not host in self.index['host_to_droplet']:
# try updating cache
if not self.args.force_cache:
self.load_all_data_from_digital_ocean()
if not host in self.index['host_to_droplet']:
# host might not exist anymore
return {}
droplet = None
if self.cache_refreshed:
for drop in self.data['droplets']:
if drop['ip_address'] == host:
droplet = self.sanitize_dict(drop)
break
else:
# Cache wasn't refreshed this run, so hit DigitalOcean API
manager = DoManager(self.client_id, self.api_key)
droplet_id = self.index['host_to_droplet'][host]
droplet = self.sanitize_dict(manager.show_droplet(droplet_id))
host = int(self.args.host)
if not droplet:
return {}
# Put all the information in a 'do_' namespace
info = {}
for k, v in droplet.items():
info['do_'+k] = v
# Generate user-friendly variables (i.e. not the ID's)
if droplet.has_key('region_id'):
info['do_region'] = self.index['region_to_name'].get(droplet['region_id'])
if droplet.has_key('size_id'):
info['do_size'] = self.index['size_to_name'].get(droplet['size_id'])
if droplet.has_key('image_id'):
info['do_image'] = self.index['image_to_name'].get(droplet['image_id'])
info['do_distro'] = self.index['image_to_distro'].get(droplet['image_id'])
return info
###########################################################################
# Cache Management
###########################################################################
def is_cache_valid(self):
''' Determines if the cache files have expired, or if it is still valid '''
if os.path.isfile(self.cache_filename):
mod_time = os.path.getmtime(self.cache_filename)
current_time = time()
if (mod_time + self.cache_max_age) > current_time:
return True
return False
def load_from_cache(self):
''' Reads the data from the cache file and assigns it to member variables as Python Objects'''
cache = open(self.cache_filename, 'r')
json_data = cache.read()
cache.close()
data = json.loads(json_data)
self.data = data['data']
self.inventory = data['inventory']
self.index = data['index']
def write_to_cache(self):
''' Writes data in JSON format to a file '''
data = { 'data': self.data, 'index': self.index, 'inventory': self.inventory }
json_data = json.dumps(data, sort_keys=True, indent=2)
cache = open(self.cache_filename, 'w')
cache.write(json_data)
cache.close()
return self.manager.show_droplet(host)
@ -456,7 +320,7 @@ or environment variables (DO_CLIENT_ID and DO_API_KEY)'''
def push(self, my_dict, key, element):
''' Pushed an element onto an array that may not have been defined in the dict '''
if key in my_dict:
my_dict[key].append(element);
my_dict[key].append(element)
else:
my_dict[key] = [element]
@ -466,21 +330,6 @@ or environment variables (DO_CLIENT_ID and DO_API_KEY)'''
return re.sub("[^A-Za-z0-9\-\.]", "_", word)
def sanitize_dict(self, d):
new_dict = {}
for k, v in d.items():
if v != None:
new_dict[self.to_safe(str(k))] = self.to_safe(str(v))
return new_dict
def sanitize_list(self, seq):
new_seq = []
for d in seq:
new_seq.append(self.sanitize_dict(d))
return new_seq
###########################################################################
# Run the script

Write Preview
Loading…
Cancel
Save