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ansible/library/rax
Jesse Keating 34e585024c Fix up docs and add ability to insert files 
Files can be inserted during server creation (like a fully formed
authorized_keys file). This code allows that to happen.

Docs were updated for formatting, location, and to add the new entry for
files.
2013-03-31 00:05:14 -07:00

265 lines
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Python
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#!/usr/bin/env python -tt
# 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/>.
DOCUMENTATION = '''
---
module: rax
short_description: create an instance in Rackspace Public Cloud, return instanceid
description:
- creates Rackspace Public Cloud instances and optionally waits for it to be 'running'.
version_added: "1.2"
options:
service:
description:
- Cloud service to interact with
required: false
choices: ['cloudservers', 'cloudfiles', 'cloud_databases', 'cloud_loadbalancers']
default: cloudservers
state:
description:
- Indicate desired state of the resource
required: false
choices: ['present', 'active', 'absent', 'deleted']
default: present
creds_file:
description:
- File to find the Rackspace Public Cloud credentials in
required: false
default: null
name:
description:
- Name to give the instance
required: false
default: null
flavor:
description:
- flavor to use for the instance
required: false
default: null
image:
description:
- image to use for the instance
required: false
default: null
meta:
description:
- A hash of metadata to associate with the instance
default: null
key_name:
description:
- key pair to use on the instance
required: false
default: null
aliases: ['keypair']
files:
description:
- Files to insert into the instance. remotefilename:localcontent
default: null
region:
description:
- Region to create an instance in
required: false
default: null
wait:
description:
- wait for the instance to be in state 'running' before returning
required: false
default: "no"
choices: [ "yes", "no" ]
wait_timeout:
description:
- how long before wait gives up, in seconds
default: 300
examples:
- code: 'local_action: rax creds_file=~/.raxpub service=cloudservers name=rax-test1 flavor=5 image=b11d9567-e412-4255-96b9-bd63ab23bcfe wait=yes state=present'
description: "Examples from Ansible Playbooks"
requirements: [ "pyrax" ]
author: Jesse Keating
notes:
- Two environment variables can be used, RAX_CREDS and RAX_REGION.
- RAX_CREDS points to a credentials file appropriate for pyrax
- RAX_REGION defines a Rackspace Public Cloud region (DFW, ORD, LON, ...)
'''
import sys
import time
import os
try:
import pyrax
except ImportError:
print("failed=True msg='pyrax required for this module'")
sys.exit(1)
SUPPORTEDSERVICES = ['cloudservers', 'cloudfiles', 'cloud_blockstorage',
'cloud_databases', 'cloud_loadbalancers']
def cloudservers(module, state, name, flavor, image, meta, key_name, files,
wait, wait_timeout):
# Check our args (this could be done better)
for arg in (state, name, flavor, image):
if not arg:
module.fail_json(msg='%s is required for cloudservers' % arg)
instances = []
changed = False
servers = []
# See if we can find servers that match our options
for server in pyrax.cloudservers.list():
if name != server.name:
continue
if flavor != server.flavor['id']:
continue
if image != server.image['id']:
continue
if meta != server.metadata:
continue
# Nothing else ruled us not a match, so consider it a winner
servers.append(server)
# act on the state
if state in ('active', 'present'):
if not servers:
# Handle the file contents
for rpath in files.keys():
lpath = os.path.expanduser(files[rpath])
try:
fileobj = open(lpath, 'r')
files[rpath] = fileobj
except Exception, e:
module.fail_json(msg = 'Failed to load %s' % lpath)
try:
servers = [pyrax.cloudservers.servers.create(name=name,
image=image,
flavor=flavor,
key_name=key_name,
meta=meta,
files=files)]
changed = True
except Exception, e:
module.fail_json(msg = '%s' % e.message)
for server in servers:
# wait here until the instances are up
wait_timeout = time.time() + wait_timeout
while wait and wait_timeout > time.time():
# refresh the server details
server.get()
if server.status in ('ACTIVE', 'ERROR'):
break
time.sleep(5)
if wait and wait_timeout <= time.time():
# waiting took too long
module.fail_json(msg = 'Timeout waiting on %s' % server.id)
# Get a fresh copy of the server details
server.get()
if server.status == 'ERROR':
module.fail_json(msg = '%s failed to build' % server.id)
instance = {'id': server.id,
'accessIPv4': server.accessIPv4,
'name': server.name,
'status': server.status}
instances.append(instance)
elif state in ('absent', 'deleted'):
deleted = []
# See if we can find a server that matches our credentials
for server in servers:
if server.name == name:
if server.flavor['id'] == flavor and \
server.image['id'] == image and \
server.metadata == meta:
try:
server.delete()
deleted.append(server)
except Exception, e:
module.fail_json(msg = e.message)
instance = {'id': server.id,
'accessIPv4': server.accessIPv4,
'name': server.name,
'status': 'DELETING'}
instances.append(instance)
changed = True
module.exit_json(changed=changed, instances=instances)
def main():
module = AnsibleModule(
argument_spec = dict(
service = dict(default='cloudservers', choices=SUPPORTEDSERVICES),
state = dict(default='present', choices=['active', 'present',
'deleted', 'absent']),
creds_file = dict(),
name = dict(),
flavor = dict(),
image = dict(),
meta = dict(type='dict', default={}),
key_name = dict(aliases = ['keypair']),
files = dict(type='dict', default={}),
region = dict(),
wait = dict(type='bool', choices=BOOLEANS),
wait_timeout = dict(default=300),
)
)
service = module.params.get('service')
state = module.params.get('state')
creds_file = module.params.get('creds_file')
name = module.params.get('name')
flavor = module.params.get('flavor')
image = module.params.get('image')
meta = module.params.get('meta')
key_name = module.params.get('key_name')
files = module.params.get('files')
region = module.params.get('region')
wait = module.params.get('wait')
wait_timeout = int(module.params.get('wait_timeout'))
# Setup the credentials file
if not creds_file:
try:
creds_file = os.environ['RAX_CREDS_FILE']
except KeyError, e:
module.fail_json(msg = 'Unable to load %s' % e.message)
# Define the region
if not region:
try:
region = os.environ['RAX_REGION']
except KeyError, e:
module.fail_json(msg = 'Unable to load %s' % e.message)
# setup the auth
sys.stderr.write('region is %s' % region)
try:
pyrax.set_credential_file(creds_file, region=region)
except Exception, e:
module.fail_json(msg = '%s' % e.message)
# Act based on service
if service == 'cloudservers':
cloudservers(module, state, name, flavor, image, meta, key_name, files,
wait, wait_timeout)
elif service in ['cloudfiles', 'cloud_blockstorage',
'cloud_databases', 'cloud_loadbalancers']:
module.fail_json(msg = 'Service %s is not supported at this time' %
service)
# this is magic, see lib/ansible/module_common.py
#<<INCLUDE_ANSIBLE_MODULE_COMMON>>
main()
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