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community.general/library/monitoring/boundary_meter
Michael DeHaan 4400bbdc55 Newline at end of file.
2013-08-03 14:55:22 -04:00

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Python
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#!/usr/bin/python
# -*- coding: utf-8 -*-
"""
Ansible module to add boundary meters.
(c) 2013, curtis <curtis@serverascode.com>
This file is part of Ansible
Ansible is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Ansible is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Ansible. If not, see <http://www.gnu.org/licenses/>.
"""
import json
import datetime
import urllib2
import base64
import os
DOCUMENTATION = '''
module: boundary_meter
short_description: Manage boundary meters
description:
- This module manages boundary meters
version_added: "1.3"
author: curtis@serverascode.com
requirements:
- Boundary API access
- bprobe is required to send data, but not to register a meter
- Python urllib2
options:
name:
description:
- meter name
required: true
state:
description:
- Whether to create or remove the client from boundary
required: false
default: true
choices: ["present", "absent"]
apiid:
description:
- Organizations boundary API ID
required: true
apikey:
description:
- Organizations boundary API KEY
required: true
notes:
- This module does not yet support boundary tags.
'''
EXAMPLES='''
- name: Create meter
boundary_meter: apiid=AAAAAA api_key=BBBBBB state=present name={{ inventory_hostname }}"
- name: Delete meter
boundary_meter: apiid=AAAAAA api_key=BBBBBB state=absent name={{ inventory_hostname }}"
'''
try:
import urllib2
HAS_URLLIB2 = True
except ImportError:
HAS_URLLIB2 = False
api_host = "api.boundary.com"
config_directory = "/etc/bprobe"
# "resource" like thing or apikey?
def auth_encode(apikey):
auth = base64.standard_b64encode(apikey)
auth.replace("\n", "")
return auth
def build_url(name, apiid, action, meter_id=None, cert_type=None):
if action == "create":
return 'https://%s/%s/meters' % (api_host, apiid)
elif action == "search":
return "https://%s/%s/meters?name=%s" % (api_host, apiid, name)
elif action == "certificates":
return "https://%s/%s/meters/%s/%s.pem" % (api_host, apiid, meter_id, cert_type)
elif action == "tags":
return "https://%s/%s/meters/%s/tags" % (api_host, apiid, meter_id)
elif action == "delete":
return "https://%s/%s/meters/%s" % (api_host, apiid, meter_id)
def http_request(name, apiid, apikey, action, meter_id=None, cert_type=None):
if meter_id is None:
url = build_url(name, apiid, action)
else:
if cert_type is None:
url = build_url(name, apiid, action, meter_id)
else:
url = build_url(name, apiid, action, meter_id, cert_type)
auth = auth_encode(apikey)
request = urllib2.Request(url)
request.add_header("Authorization", "Basic %s" % (auth))
request.add_header("Content-Type", "application/json")
return request
def create_meter(module, name, apiid, apikey):
meters = search_meter(module, name, apiid, apikey)
if len(meters) > 0:
# If the meter already exists, do nothing
module.exit_json(status="Meter " + name + " already exists",changed=False)
else:
# If it doesn't exist, create it
request = http_request(name, apiid, apikey, action="create")
# A create request seems to need a json body with the name of the meter in it
body = '{"name":"' + name + '"}'
request.add_data(body)
try:
result = urllib2.urlopen(request)
except urllib2.URLError, e:
module.fail_json(msg="Failed to connect to api host to create meter")
# If the config directory doesn't exist, create it
if not os.path.exists(config_directory):
try:
os.makedirs(config_directory)
except:
module.fail_json("Could not create " + config_directory)
# Download both cert files from the api host
types = ['key', 'cert']
for cert_type in types:
try:
# If we can't open the file it's not there, so we should download it
cert_file = open('%s/%s.pem' % (config_directory,cert_type))
except IOError:
# Now download the file...
rc = download_request(module, name, apiid, apikey, cert_type)
if rc == False:
module.fail_json("Download request for " + cert_type + ".pem failed")
return 0, "Meter " + name + " created"
def search_meter(module, name, apiid, apikey):
request = http_request(name, apiid, apikey, action="search")
try:
result = urllib2.urlopen(request)
except urllib2.URLError, e:
module.fail_json("Failed to connect to api host to search for meter")
# Return meters
return json.loads(result.read())
def get_meter_id(module, name, apiid, apikey):
# In order to delete the meter we need its id
meters = search_meter(module, name, apiid, apikey)
if len(meters) > 0:
return meters[0]['id']
else:
return None
def delete_meter(module, name, apiid, apikey):
meter_id = get_meter_id(module, name, apiid, apikey)
if meter_id is None:
return 1, "Meter does not exist, so can't delete it"
else:
action = "delete"
request = http_request(name, apiid, apikey, action, meter_id)
# See http://stackoverflow.com/questions/4511598/how-to-make-http-delete-method-using-urllib2
# urllib2 only does GET or POST I believe, but here we need delete
request.get_method = lambda: 'DELETE'
try:
result = urllib2.urlopen(request)
except urllib2.URLError, e:
module.fail_json("Failed to connect to api host to delete meter")
# Each new meter gets a new key.pem and ca.pem file, so they should be deleted
types = ['cert', 'key']
for cert_type in types:
try:
cert_file = '%s/%s.pem' % (config_directory,cert_type)
os.remove(cert_file)
except OSError, e:
module.fail_json("Failed to remove " + cert_type + ".pem file")
return 0, "Meter " + name + " deleted"
def download_request(module, name, apiid, apikey, cert_type):
meter_id = get_meter_id(module, name, apiid, apikey)
if meter_id is not None:
action = "certificates"
request = http_request(name, apiid, apikey, action, meter_id, cert_type)
try:
result = urllib2.urlopen(request)
except urllib2.URLError, e:
module.fail_json("Failed to connect to api host to download certificate")
if result:
try:
cert_file_path = '%s/%s.pem' % (config_directory,cert_type)
body = result.read()
cert_file = open(cert_file_path, 'w')
cert_file.write(body)
cert_file.close
os.chmod(cert_file_path, 0o600)
except:
module.fail_json("Could not write to certificate file")
return True
else:
module.fail_json("Could not get meter id")
def main():
if not HAS_URLLIB2:
module.fail_json(msg="urllib2 is not installed")
module = AnsibleModule(
argument_spec=dict(
state=dict(required=True, choices=['present', 'absent']),
name=dict(required=False),
apikey=dict(required=True),
apiid=dict(required=True),
)
)
state = module.params['state']
name= module.params['name']
apikey = module.params['api_key']
apiid = module.params['api_id']
if state == "present":
(rc, result) = create_meter(module, name, apiid, apikey)
if state == "absent":
(rc, result) = delete_meter(module, name, apiid, apikey)
if rc != 0:
module.fail_json(msg=result)
module.exit_json(status=result,changed=True)
# include magic from lib/ansible/module_common.py
#<<INCLUDE_ANSIBLE_MODULE_COMMON>>
main()
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