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made subcategories for cloud modules for better organization

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Brian Coca 2014-11-04 11:18:09 -05:00 • committed by Matt Clay
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#!/usr/bin/python
# 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/>.
# This is a DOCUMENTATION stub specific to this module, it extends
# a documentation fragment located in ansible.utils.module_docs_fragments
DOCUMENTATION = '''
---
module: rax
short_description: create / delete an instance in Rackspace Public Cloud
description:
- creates / deletes a Rackspace Public Cloud instance and optionally
waits for it to be 'running'.
version_added: "1.2"
options:
auto_increment:
description:
- Whether or not to increment a single number with the name of the
created servers. Only applicable when used with the I(group) attribute
or meta key.
default: yes
choices:
- "yes"
- "no"
version_added: 1.5
config_drive:
description:
- Attach read-only configuration drive to server as label config-2
default: no
choices:
- "yes"
- "no"
version_added: 1.7
count:
description:
- number of instances to launch
default: 1
version_added: 1.4
count_offset:
description:
- number count to start at
default: 1
version_added: 1.4
disk_config:
description:
- Disk partitioning strategy
choices:
- auto
- manual
version_added: '1.4'
default: auto
exact_count:
description:
- Explicitly ensure an exact count of instances, used with
state=active/present. If specified as C(yes) and I(count) is less than
the servers matched, servers will be deleted to match the count. If
the number of matched servers is fewer than specified in I(count)
additional servers will be added.
default: no
choices:
- "yes"
- "no"
version_added: 1.4
extra_client_args:
description:
- A hash of key/value pairs to be used when creating the cloudservers
client. This is considered an advanced option, use it wisely and
with caution.
version_added: 1.6
extra_create_args:
description:
- A hash of key/value pairs to be used when creating a new server.
This is considered an advanced option, use it wisely and with caution.
version_added: 1.6
files:
description:
- Files to insert into the instance. remotefilename:localcontent
default: null
flavor:
description:
- flavor to use for the instance
default: null
group:
description:
- host group to assign to server, is also used for idempotent operations
to ensure a specific number of instances
version_added: 1.4
image:
description:
- image to use for the instance. Can be an C(id), C(human_id) or C(name)
default: null
instance_ids:
description:
- list of instance ids, currently only used when state='absent' to
remove instances
version_added: 1.4
key_name:
description:
- key pair to use on the instance
default: null
aliases:
- keypair
meta:
description:
- A hash of metadata to associate with the instance
default: null
name:
description:
- Name to give the instance
default: null
networks:
description:
- The network to attach to the instances. If specified, you must include
ALL networks including the public and private interfaces. Can be C(id)
or C(label).
default:
- public
- private
version_added: 1.4
state:
description:
- Indicate desired state of the resource
choices:
- present
- absent
default: present
user_data:
description:
- Data to be uploaded to the servers config drive. This option implies
I(config_drive). Can be a file path or a string
version_added: 1.7
wait:
description:
- wait for the instance to be in state 'running' before returning
default: "no"
choices:
- "yes"
- "no"
wait_timeout:
description:
- how long before wait gives up, in seconds
default: 300
author: Jesse Keating, Matt Martz
notes:
- I(exact_count) can be "destructive" if the number of running servers in
the I(group) is larger than that specified in I(count). In such a case, the
I(state) is effectively set to C(absent) and the extra servers are deleted.
In the case of deletion, the returned data structure will have C(action)
set to C(delete), and the oldest servers in the group will be deleted.
extends_documentation_fragment: rackspace.openstack
'''
EXAMPLES = '''
- name: Build a Cloud Server
gather_facts: False
tasks:
- name: Server build request
local_action:
module: rax
credentials: ~/.raxpub
name: rax-test1
flavor: 5
image: b11d9567-e412-4255-96b9-bd63ab23bcfe
key_name: my_rackspace_key
files:
/root/test.txt: /home/localuser/test.txt
wait: yes
state: present
networks:
- private
- public
register: rax
- name: Build an exact count of cloud servers with incremented names
hosts: local
gather_facts: False
tasks:
- name: Server build requests
local_action:
module: rax
credentials: ~/.raxpub
name: test%03d.example.org
flavor: performance1-1
image: ubuntu-1204-lts-precise-pangolin
state: present
count: 10
count_offset: 10
exact_count: yes
group: test
wait: yes
register: rax
'''
try:
import pyrax
HAS_PYRAX = True
except ImportError:
HAS_PYRAX = False
def create(module, names=[], flavor=None, image=None, meta={}, key_name=None,
files={}, wait=True, wait_timeout=300, disk_config=None,
group=None, nics=[], extra_create_args={}, user_data=None,
config_drive=False, existing=[]):
cs = pyrax.cloudservers
changed = False
if user_data:
config_drive = True
if user_data and os.path.isfile(user_data):
try:
f = open(user_data)
user_data = f.read()
f.close()
except Exception, e:
module.fail_json(msg='Failed to load %s' % user_data)
# Handle the file contents
for rpath in files.keys():
lpath = os.path.expanduser(files[rpath])
try:
fileobj = open(lpath, 'r')
files[rpath] = fileobj.read()
fileobj.close()
except Exception, e:
module.fail_json(msg='Failed to load %s' % lpath)
try:
servers = []
for name in names:
servers.append(cs.servers.create(name=name, image=image,
flavor=flavor, meta=meta,
key_name=key_name,
files=files, nics=nics,
disk_config=disk_config,
config_drive=config_drive,
userdata=user_data,
**extra_create_args))
except Exception, e:
module.fail_json(msg='%s' % e.message)
else:
changed = True
if wait:
end_time = time.time() + wait_timeout
infinite = wait_timeout == 0
while infinite or time.time() < end_time:
for server in servers:
try:
server.get()
except:
server.status == 'ERROR'
if not filter(lambda s: s.status not in FINAL_STATUSES,
servers):
break
time.sleep(5)
success = []
error = []
timeout = []
for server in servers:
try:
server.get()
except:
server.status == 'ERROR'
instance = rax_to_dict(server, 'server')
if server.status == 'ACTIVE' or not wait:
success.append(instance)
elif server.status == 'ERROR':
error.append(instance)
elif wait:
timeout.append(instance)
untouched = [rax_to_dict(s, 'server') for s in existing]
instances = success + untouched
results = {
'changed': changed,
'action': 'create',
'instances': instances,
'success': success,
'error': error,
'timeout': timeout,
'instance_ids': {
'instances': [i['id'] for i in instances],
'success': [i['id'] for i in success],
'error': [i['id'] for i in error],
'timeout': [i['id'] for i in timeout]
}
}
if timeout:
results['msg'] = 'Timeout waiting for all servers to build'
elif error:
results['msg'] = 'Failed to build all servers'
if 'msg' in results:
module.fail_json(**results)
else:
module.exit_json(**results)
def delete(module, instance_ids=[], wait=True, wait_timeout=300, kept=[]):
cs = pyrax.cloudservers
changed = False
instances = {}
servers = []
for instance_id in instance_ids:
servers.append(cs.servers.get(instance_id))
for server in servers:
try:
server.delete()
except Exception, e:
module.fail_json(msg=e.message)
else:
changed = True
instance = rax_to_dict(server, 'server')
instances[instance['id']] = instance
# If requested, wait for server deletion
if wait:
end_time = time.time() + wait_timeout
infinite = wait_timeout == 0
while infinite or time.time() < end_time:
for server in servers:
instance_id = server.id
try:
server.get()
except:
instances[instance_id]['status'] = 'DELETED'
instances[instance_id]['rax_status'] = 'DELETED'
if not filter(lambda s: s['status'] not in ('', 'DELETED',
'ERROR'),
instances.values()):
break
time.sleep(5)
timeout = filter(lambda s: s['status'] not in ('', 'DELETED', 'ERROR'),
instances.values())
error = filter(lambda s: s['status'] in ('ERROR'),
instances.values())
success = filter(lambda s: s['status'] in ('', 'DELETED'),
instances.values())
instances = [rax_to_dict(s, 'server') for s in kept]
results = {
'changed': changed,
'action': 'delete',
'instances': instances,
'success': success,
'error': error,
'timeout': timeout,
'instance_ids': {
'instances': [i['id'] for i in instances],
'success': [i['id'] for i in success],
'error': [i['id'] for i in error],
'timeout': [i['id'] for i in timeout]
}
}
if timeout:
results['msg'] = 'Timeout waiting for all servers to delete'
elif error:
results['msg'] = 'Failed to delete all servers'
if 'msg' in results:
module.fail_json(**results)
else:
module.exit_json(**results)
def cloudservers(module, state=None, name=None, flavor=None, image=None,
meta={}, key_name=None, files={}, wait=True, wait_timeout=300,
disk_config=None, count=1, group=None, instance_ids=[],
exact_count=False, networks=[], count_offset=0,
auto_increment=False, extra_create_args={}, user_data=None,
config_drive=False):
cs = pyrax.cloudservers
cnw = pyrax.cloud_networks
if not cnw:
module.fail_json(msg='Failed to instantiate client. This '
'typically indicates an invalid region or an '
'incorrectly capitalized region name.')
servers = []
# Add the group meta key
if group and 'group' not in meta:
meta['group'] = group
elif 'group' in meta and group is None:
group = meta['group']
# Normalize and ensure all metadata values are strings
for k, v in meta.items():
if isinstance(v, list):
meta[k] = ','.join(['%s' % i for i in v])
elif isinstance(v, dict):
meta[k] = json.dumps(v)
elif not isinstance(v, basestring):
meta[k] = '%s' % v
# When using state=absent with group, the absent block won't match the
# names properly. Use the exact_count functionality to decrease the count
# to the desired level
was_absent = False
if group is not None and state == 'absent':
exact_count = True
state = 'present'
was_absent = True
if image:
image = rax_find_image(module, pyrax, image)
nics = []
if networks:
for network in networks:
nics.extend(rax_find_network(module, pyrax, network))
# act on the state
if state == 'present':
for arg, value in dict(name=name, flavor=flavor,
image=image).iteritems():
if not value:
module.fail_json(msg='%s is required for the "rax" module' %
arg)
# Idempotent ensurance of a specific count of servers
if exact_count is not False:
# See if we can find servers that match our options
if group is None:
module.fail_json(msg='"group" must be provided when using '
'"exact_count"')
if auto_increment:
numbers = set()
# See if the name is a printf like string, if not append
# %d to the end
try:
name % 0
except TypeError, e:
if e.message.startswith('not all'):
name = '%s%%d' % name
else:
module.fail_json(msg=e.message)
# regex pattern to match printf formatting
pattern = re.sub(r'%\d*[sd]', r'(\d+)', name)
for server in cs.servers.list():
# Ignore DELETED servers
if server.status == 'DELETED':
continue
if server.metadata.get('group') == group:
servers.append(server)
match = re.search(pattern, server.name)
if match:
number = int(match.group(1))
numbers.add(number)
number_range = xrange(count_offset, count_offset + count)
available_numbers = list(set(number_range)
.difference(numbers))
else: # Not auto incrementing
for server in cs.servers.list():
# Ignore DELETED servers
if server.status == 'DELETED':
continue
if server.metadata.get('group') == group:
servers.append(server)
# available_numbers not needed here, we inspect auto_increment
# again later
# If state was absent but the count was changed,
# assume we only wanted to remove that number of instances
if was_absent:
diff = len(servers) - count
if diff < 0:
count = 0
else:
count = diff
if len(servers) > count:
# We have more servers than we need, set state='absent'
# and delete the extras, this should delete the oldest
state = 'absent'
kept = servers[:count]
del servers[:count]
instance_ids = []
for server in servers:
instance_ids.append(server.id)
delete(module, instance_ids=instance_ids, wait=wait,
wait_timeout=wait_timeout, kept=kept)
elif len(servers) < count:
# we have fewer servers than we need
if auto_increment:
# auto incrementing server numbers
names = []
name_slice = count - len(servers)
numbers_to_use = available_numbers[:name_slice]
for number in numbers_to_use:
names.append(name % number)
else:
# We are not auto incrementing server numbers,
# create a list of 'name' that matches how many we need
names = [name] * (count - len(servers))
else:
# we have the right number of servers, just return info
# about all of the matched servers
instances = []
instance_ids = []
for server in servers:
instances.append(rax_to_dict(server, 'server'))
instance_ids.append(server.id)
module.exit_json(changed=False, action=None,
instances=instances,
success=[], error=[], timeout=[],
instance_ids={'instances': instance_ids,
'success': [], 'error': [],
'timeout': []})
else: # not called with exact_count=True
if group is not None:
if auto_increment:
# we are auto incrementing server numbers, but not with
# exact_count
numbers = set()
# See if the name is a printf like string, if not append
# %d to the end
try:
name % 0
except TypeError, e:
if e.message.startswith('not all'):
name = '%s%%d' % name
else:
module.fail_json(msg=e.message)
# regex pattern to match printf formatting
pattern = re.sub(r'%\d*[sd]', r'(\d+)', name)
for server in cs.servers.list():
# Ignore DELETED servers
if server.status == 'DELETED':
continue
if server.metadata.get('group') == group:
servers.append(server)
match = re.search(pattern, server.name)
if match:
number = int(match.group(1))
numbers.add(number)
number_range = xrange(count_offset,
count_offset + count + len(numbers))
available_numbers = list(set(number_range)
.difference(numbers))
names = []
numbers_to_use = available_numbers[:count]
for number in numbers_to_use:
names.append(name % number)
else:
# Not auto incrementing
names = [name] * count
else:
# No group was specified, and not using exact_count
# Perform more simplistic matching
search_opts = {
'name': '^%s$' % name,
'image': image,
'flavor': flavor
}
servers = []
for server in cs.servers.list(search_opts=search_opts):
# Ignore DELETED servers
if server.status == 'DELETED':
continue
# Ignore servers with non matching metadata
if server.metadata != meta:
continue
servers.append(server)
if len(servers) >= count:
# We have more servers than were requested, don't do
# anything. Not running with exact_count=True, so we assume
# more is OK
instances = []
for server in servers:
instances.append(rax_to_dict(server, 'server'))
instance_ids = [i['id'] for i in instances]
module.exit_json(changed=False, action=None,
instances=instances, success=[], error=[],
timeout=[],
instance_ids={'instances': instance_ids,
'success': [], 'error': [],
'timeout': []})
# We need more servers to reach out target, create names for
# them, we aren't performing auto_increment here
names = [name] * (count - len(servers))
create(module, names=names, flavor=flavor, image=image,
meta=meta, key_name=key_name, files=files, wait=wait,
wait_timeout=wait_timeout, disk_config=disk_config, group=group,
nics=nics, extra_create_args=extra_create_args,
user_data=user_data, config_drive=config_drive,
existing=servers)
elif state == 'absent':
if instance_ids is None:
# We weren't given an explicit list of server IDs to delete
# Let's match instead
for arg, value in dict(name=name, flavor=flavor,
image=image).iteritems():
if not value:
module.fail_json(msg='%s is required for the "rax" '
'module' % arg)
search_opts = {
'name': '^%s$' % name,
'image': image,
'flavor': flavor
}
for server in cs.servers.list(search_opts=search_opts):
# Ignore DELETED servers
if server.status == 'DELETED':
continue
# Ignore servers with non matching metadata
if meta != server.metadata:
continue
servers.append(server)
# Build a list of server IDs to delete
instance_ids = []
for server in servers:
if len(instance_ids) < count:
instance_ids.append(server.id)
else:
break
if not instance_ids:
# No server IDs were matched for deletion, or no IDs were
# explicitly provided, just exit and don't do anything
module.exit_json(changed=False, action=None, instances=[],
success=[], error=[], timeout=[],
instance_ids={'instances': [],
'success': [], 'error': [],
'timeout': []})
delete(module, instance_ids=instance_ids, wait=wait,
wait_timeout=wait_timeout)
def main():
argument_spec = rax_argument_spec()
argument_spec.update(
dict(
auto_increment=dict(default=True, type='bool'),
config_drive=dict(default=False, type='bool'),
count=dict(default=1, type='int'),
count_offset=dict(default=1, type='int'),
disk_config=dict(choices=['auto', 'manual']),
exact_count=dict(default=False, type='bool'),
extra_client_args=dict(type='dict', default={}),
extra_create_args=dict(type='dict', default={}),
files=dict(type='dict', default={}),
flavor=dict(),
group=dict(),
image=dict(),
instance_ids=dict(type='list'),
key_name=dict(aliases=['keypair']),
meta=dict(type='dict', default={}),
name=dict(),
networks=dict(type='list', default=['public', 'private']),
service=dict(),
state=dict(default='present', choices=['present', 'absent']),
user_data=dict(no_log=True),
wait=dict(default=False, type='bool'),
wait_timeout=dict(default=300),
)
)
module = AnsibleModule(
argument_spec=argument_spec,
required_together=rax_required_together(),
)
if not HAS_PYRAX:
module.fail_json(msg='pyrax is required for this module')
service = module.params.get('service')
if service is not None:
module.fail_json(msg='The "service" attribute has been deprecated, '
'please remove "service: cloudservers" from your '
'playbook pertaining to the "rax" module')
auto_increment = module.params.get('auto_increment')
config_drive = module.params.get('config_drive')
count = module.params.get('count')
count_offset = module.params.get('count_offset')
disk_config = module.params.get('disk_config')
if disk_config:
disk_config = disk_config.upper()
exact_count = module.params.get('exact_count', False)
extra_client_args = module.params.get('extra_client_args')
extra_create_args = module.params.get('extra_create_args')
files = module.params.get('files')
flavor = module.params.get('flavor')
group = module.params.get('group')
image = module.params.get('image')
instance_ids = module.params.get('instance_ids')
key_name = module.params.get('key_name')
meta = module.params.get('meta')
name = module.params.get('name')
networks = module.params.get('networks')
state = module.params.get('state')
user_data = module.params.get('user_data')
wait = module.params.get('wait')
wait_timeout = int(module.params.get('wait_timeout'))
setup_rax_module(module, pyrax)
if extra_client_args:
pyrax.cloudservers = pyrax.connect_to_cloudservers(
region=pyrax.cloudservers.client.region_name,
**extra_client_args)
client = pyrax.cloudservers.client
if 'bypass_url' in extra_client_args:
client.management_url = extra_client_args['bypass_url']
if pyrax.cloudservers is None:
module.fail_json(msg='Failed to instantiate client. This '
'typically indicates an invalid region or an '
'incorrectly capitalized region name.')
cloudservers(module, state=state, name=name, flavor=flavor,
image=image, meta=meta, key_name=key_name, files=files,
wait=wait, wait_timeout=wait_timeout, disk_config=disk_config,
count=count, group=group, instance_ids=instance_ids,
exact_count=exact_count, networks=networks,
count_offset=count_offset, auto_increment=auto_increment,
extra_create_args=extra_create_args, user_data=user_data,
config_drive=config_drive)
# import module snippets
from ansible.module_utils.basic import *
from ansible.module_utils.rax import *
# invoke the module
main()