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Remove DigitalOcean modules (moved to community.digitalocean) (#622)

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* Remove DigitalOcean modules.

* Remove inventory scripts.
This commit is contained in:
Felix Fontein 2020-07-07 16:41:16 +02:00 • committed by GitHub
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34
scripts/inventory/digital_ocean.ini
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# Ansible DigitalOcean external inventory script settings
#
[digital_ocean]
# The module needs your DigitalOcean API Token.
# It may also be specified on the command line via --api-token
# or via the environment variables DO_API_TOKEN or DO_API_KEY
#
#api_token = 123456abcdefg
# API calls to DigitalOcean 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:
# - ansible-digital_ocean.cache
#
cache_path = /tmp
# The number of seconds a cache file is considered valid. After this many
# seconds, a new API call will be made, and the cache file will be updated.
#
cache_max_age = 300
# Use the private network IP address instead of the public when available.
#
use_private_network = False
# Pass variables to every group, e.g.:
#
# group_variables = { 'ansible_user': 'root' }
#
group_variables = {}

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scripts/inventory/digital_ocean.py
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#!/usr/bin/env python
"""
DigitalOcean external inventory script
======================================
Generates Ansible inventory of DigitalOcean Droplets.
In addition to the --list and --host options used by Ansible, there are options
for generating JSON of other DigitalOcean data. This is useful when creating
droplets. For example, --regions will return all the DigitalOcean Regions.
This information can also be easily found in the cache file, whose default
location is /tmp/ansible-digital_ocean.cache).
The --pretty (-p) option pretty-prints the output for better human readability.
----
Although the cache stores all the information received from DigitalOcean,
the cache is not used for current droplet information (in --list, --host,
--all, and --droplets). This is so that accurate droplet information is always
found. You can force this script to use the cache with --force-cache.
----
Configuration is read from `digital_ocean.ini`, then from environment variables,
and then from command-line arguments.
Most notably, the DigitalOcean API Token must be specified. It can be specified
in the INI file or with the following environment variables:
export DO_API_TOKEN='abc123' or
export DO_API_KEY='abc123'
Alternatively, it can be passed on the command-line with --api-token.
If you specify DigitalOcean credentials in the INI file, a handy way to
get them into your environment (e.g., to use the digital_ocean module)
is to use the output of the --env option with export:
export $(digital_ocean.py --env)
----
The following groups are generated from --list:
- ID (droplet ID)
- NAME (droplet NAME)
- digital_ocean
- image_ID
- image_NAME
- distro_NAME (distribution NAME from image)
- region_NAME
- size_NAME
- status_STATUS
For each host, the following variables are registered:
- do_backup_ids
- do_created_at
- do_disk
- do_features - list
- do_id
- do_image - object
- do_ip_address
- do_private_ip_address
- do_kernel - object
- do_locked
- do_memory
- do_name
- do_networks - object
- do_next_backup_window
- do_region - object
- do_size - object
- do_size_slug
- do_snapshot_ids - list
- do_status
- do_tags
- do_vcpus
- do_volume_ids
-----
```
usage: digital_ocean.py [-h] [--list] [--host HOST] [--all] [--droplets]
[--regions] [--images] [--sizes] [--ssh-keys]
[--domains] [--tags] [--pretty]
[--cache-path CACHE_PATH]
[--cache-max_age CACHE_MAX_AGE] [--force-cache]
[--refresh-cache] [--env] [--api-token API_TOKEN]
Produce an Ansible Inventory file based on DigitalOcean credentials
optional arguments:
-h, --help show this help message and exit
--list List all active Droplets as Ansible inventory
(default: True)
--host HOST Get all Ansible inventory variables about a specific
Droplet
--all List all DigitalOcean information as JSON
--droplets, -d List Droplets as JSON
--regions List Regions as JSON
--images List Images as JSON
--sizes List Sizes as JSON
--ssh-keys List SSH keys as JSON
--domains List Domains as JSON
--tags List Tags 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)
--force-cache Only use data from the cache
--refresh-cache, -r Force refresh of cache by making API requests to
DigitalOcean (default: False - use cache files)
--env, -e Display DO_API_TOKEN
--api-token API_TOKEN, -a API_TOKEN
DigitalOcean API Token
```
"""
# (c) 2013, Evan Wies <evan@neomantra.net>
# (c) 2017, Ansible Project
# (c) 2017, Abhijeet Kasurde <akasurde@redhat.com>
#
# Inspired by the EC2 inventory plugin:
# https://github.com/ansible/ansible/blob/devel/contrib/inventory/ec2.py
#
# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
from __future__ import (absolute_import, division, print_function)
__metaclass__ = type
######################################################################
import argparse
import ast
import os
import re
import requests
import sys
from time import time
try:
import ConfigParser
except ImportError:
import configparser as ConfigParser
import json
class DoManager:
def __init__(self, api_token):
self.api_token = api_token
self.api_endpoint = 'https://api.digitalocean.com/v2'
self.headers = {'Authorization': 'Bearer {0}'.format(self.api_token),
'Content-type': 'application/json'}
self.timeout = 60
def _url_builder(self, path):
if path[0] == '/':
path = path[1:]
return '%s/%s' % (self.api_endpoint, path)
def send(self, url, method='GET', data=None):
url = self._url_builder(url)
data = json.dumps(data)
try:
if method == 'GET':
resp_data = {}
incomplete = True
while incomplete:
resp = requests.get(url, data=data, headers=self.headers, timeout=self.timeout)
json_resp = resp.json()
for key, value in json_resp.items():
if isinstance(value, list) and key in resp_data:
resp_data[key] += value
else:
resp_data[key] = value
try:
url = json_resp['links']['pages']['next']
except KeyError:
incomplete = False
except ValueError as e:
sys.exit("Unable to parse result from %s: %s" % (url, e))
return resp_data
def all_active_droplets(self):
resp = self.send('droplets/')
return resp['droplets']
def all_regions(self):
resp = self.send('regions/')
return resp['regions']
def all_images(self, filter_name='global'):
params = {'filter': filter_name}
resp = self.send('images/', data=params)
return resp['images']
def sizes(self):
resp = self.send('sizes/')
return resp['sizes']
def all_ssh_keys(self):
resp = self.send('account/keys')
return resp['ssh_keys']
def all_domains(self):
resp = self.send('domains/')
return resp['domains']
def show_droplet(self, droplet_id):
resp = self.send('droplets/%s' % droplet_id)
return resp['droplet']
def all_tags(self):
resp = self.send('tags')
return resp['tags']
class DigitalOceanInventory(object):
###########################################################################
# Main execution path
###########################################################################
def __init__(self):
"""Main execution path """
# DigitalOceanInventory data
self.data = {} # All DigitalOcean data
self.inventory = {} # Ansible Inventory
# Define defaults
self.cache_path = '.'
self.cache_max_age = 0
self.use_private_network = False
self.group_variables = {}
# Read settings, environment variables, and CLI arguments
self.read_settings()
self.read_environment()
self.read_cli_args()
# Verify credentials were set
if not hasattr(self, 'api_token'):
msg = '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)\n'
sys.stderr.write(msg)
sys.exit(-1)
# env command, show DigitalOcean credentials
if self.args.env:
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 self.is_cache_valid():
self.load_from_cache()
if len(self.data) == 0:
if self.args.force_cache:
sys.stderr.write('Cache is empty and --force-cache was specified\n')
sys.exit(-1)
self.manager = DoManager(self.api_token)
# Pick the json_data to print based on the CLI command
if self.args.droplets:
self.load_from_digital_ocean('droplets')
json_data = {'droplets': self.data['droplets']}
elif self.args.regions:
self.load_from_digital_ocean('regions')
json_data = {'regions': self.data['regions']}
elif self.args.images:
self.load_from_digital_ocean('images')
json_data = {'images': self.data['images']}
elif self.args.sizes:
self.load_from_digital_ocean('sizes')
json_data = {'sizes': self.data['sizes']}
elif self.args.ssh_keys:
self.load_from_digital_ocean('ssh_keys')
json_data = {'ssh_keys': self.data['ssh_keys']}
elif self.args.domains:
self.load_from_digital_ocean('domains')
json_data = {'domains': self.data['domains']}
elif self.args.tags:
self.load_from_digital_ocean('tags')
json_data = {'tags': self.data['tags']}
elif self.args.all:
self.load_from_digital_ocean()
json_data = self.data
elif self.args.host:
json_data = self.load_droplet_variables_for_host()
else: # '--list' this is last to make it default
self.load_from_digital_ocean('droplets')
self.build_inventory()
json_data = self.inventory
if self.cache_refreshed:
self.write_to_cache()
if self.args.pretty:
print(json.dumps(json_data, indent=2))
else:
print(json.dumps(json_data))
###########################################################################
# Script configuration
###########################################################################
def read_settings(self):
""" Reads the settings from the digital_ocean.ini file """
config = ConfigParser.ConfigParser()
config_path = os.path.join(os.path.dirname(os.path.realpath(__file__)), 'digital_ocean.ini')
config.read(config_path)
# Credentials
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'):
self.cache_path = config.get('digital_ocean', 'cache_path')
if config.has_option('digital_ocean', 'cache_max_age'):
self.cache_max_age = config.getint('digital_ocean', 'cache_max_age')
# Private IP Address
if config.has_option('digital_ocean', 'use_private_network'):
self.use_private_network = config.getboolean('digital_ocean', 'use_private_network')
# Group variables
if config.has_option('digital_ocean', 'group_variables'):
self.group_variables = ast.literal_eval(config.get('digital_ocean', 'group_variables'))
def read_environment(self):
""" Reads the settings from environment variables """
# Setup credentials
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):
""" Command line argument processing """
parser = argparse.ArgumentParser(description='Produce an Ansible Inventory file based on DigitalOcean credentials')
parser.add_argument('--list', action='store_true', help='List all active Droplets as Ansible inventory (default: True)')
parser.add_argument('--host', action='store', help='Get all Ansible inventory variables about a specific Droplet')
parser.add_argument('--all', action='store_true', help='List all DigitalOcean information as JSON')
parser.add_argument('--droplets', '-d', action='store_true', help='List Droplets as JSON')
parser.add_argument('--regions', action='store_true', help='List Regions as JSON')
parser.add_argument('--images', action='store_true', help='List Images as JSON')
parser.add_argument('--sizes', action='store_true', help='List Sizes as JSON')
parser.add_argument('--ssh-keys', action='store_true', help='List SSH keys as JSON')
parser.add_argument('--domains', action='store_true', help='List Domains as JSON')
parser.add_argument('--tags', action='store_true', help='List Tags as JSON')
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_API_TOKEN')
parser.add_argument('--api-token', '-a', action='store', help='DigitalOcean API Token')
self.args = parser.parse_args()
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
not self.args.tags and
not self.args.all and not self.args.host):
self.args.list = True
###########################################################################
# Data Management
###########################################################################
def load_from_digital_ocean(self, resource=None):
"""Get JSON from DigitalOcean API """
if self.args.force_cache and os.path.isfile(self.cache_filename):
return
# We always get fresh droplets
if self.is_cache_valid() and not (resource == 'droplets' or resource is None):
return
if self.args.refresh_cache:
resource = None
if resource == 'droplets' or resource is None:
self.data['droplets'] = self.manager.all_active_droplets()
self.cache_refreshed = True
if resource == 'regions' or resource is None:
self.data['regions'] = self.manager.all_regions()
self.cache_refreshed = True
if resource == 'images' or resource is None:
self.data['images'] = self.manager.all_images()
self.cache_refreshed = True
if resource == 'sizes' or resource is None:
self.data['sizes'] = self.manager.sizes()
self.cache_refreshed = True
if resource == 'ssh_keys' or resource is None:
self.data['ssh_keys'] = self.manager.all_ssh_keys()
self.cache_refreshed = True
if resource == 'domains' or resource is None:
self.data['domains'] = self.manager.all_domains()
self.cache_refreshed = True
if resource == 'tags' or resource is None:
self.data['tags'] = self.manager.all_tags()
self.cache_refreshed = True
def add_inventory_group(self, key):
""" Method to create group dict """
host_dict = {'hosts': [], 'vars': {}}
self.inventory[key] = host_dict
return
def add_host(self, group, host):
""" Helper method to reduce host duplication """
if group not in self.inventory:
self.add_inventory_group(group)
if host not in self.inventory[group]['hosts']:
self.inventory[group]['hosts'].append(host)
return
def build_inventory(self):
""" Build Ansible inventory of droplets """
self.inventory = {
'all': {
'hosts': [],
'vars': self.group_variables
},
'_meta': {'hostvars': {}}
}
# add all droplets by id and name
for droplet in self.data['droplets']:
for net in droplet['networks']['v4']:
if net['type'] == 'public':
dest = net['ip_address']
else:
continue
self.inventory['all']['hosts'].append(dest)
self.add_host(droplet['id'], dest)
self.add_host(droplet['name'], dest)
# groups that are always present
for group in ('digital_ocean',
'region_' + droplet['region']['slug'],
'image_' + str(droplet['image']['id']),
'size_' + droplet['size']['slug'],
'distro_' + DigitalOceanInventory.to_safe(droplet['image']['distribution']),
'status_' + droplet['status']):
self.add_host(group, dest)
# groups that are not always present
for group in (droplet['image']['slug'],
droplet['image']['name']):
if group:
image = 'image_' + DigitalOceanInventory.to_safe(group)
self.add_host(image, dest)
if droplet['tags']:
for tag in droplet['tags']:
self.add_host(tag, dest)
# hostvars
info = self.do_namespace(droplet)
self.inventory['_meta']['hostvars'][dest] = info
def load_droplet_variables_for_host(self):
""" Generate a JSON response to a --host call """
host = int(self.args.host)
droplet = self.manager.show_droplet(host)
info = self.do_namespace(droplet)
return {'droplet': 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 """
try:
with open(self.cache_filename, 'r') as cache:
json_data = cache.read()
data = json.loads(json_data)
except IOError:
data = {'data': {}, 'inventory': {}}
self.data = data['data']
self.inventory = data['inventory']
def write_to_cache(self):
""" Writes data in JSON format to a file """
data = {'data': self.data, 'inventory': self.inventory}
json_data = json.dumps(data, indent=2)
with open(self.cache_filename, 'w') as cache:
cache.write(json_data)
###########################################################################
# Utilities
###########################################################################
@staticmethod
def to_safe(word):
""" Converts 'bad' characters in a string to underscores so they can be used as Ansible groups """
return re.sub(r"[^A-Za-z0-9\-.]", "_", word)
@staticmethod
def do_namespace(data):
""" Returns a copy of the dictionary with all the keys put in a 'do_' namespace """
info = {}
for k, v in data.items():
info['do_' + k] = v
return info
###########################################################################
# Run the script
DigitalOceanInventory()