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ansible
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82ab5350
Commit
82ab5350
authored
Feb 24, 2014
by
Simon JAILLET
Committed by
Michael DeHaan
Aug 08, 2014
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Module for managing Rackspace Cloud Databases instances.
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#!/usr/bin/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_cdb
short_description: create / delete or resize a Rackspace Cloud Databases instance
description:
- creates / deletes or resize a Rackspace Cloud Databases instance
and optionally waits for it to be 'running'. The name option needs to be unique since
it's used to identify the instance.
version_added: "1.6"
options:
api_key:
description:
- Rackspace API key (overrides I(credentials))
aliases:
- password
credentials:
description:
- File to find the Rackspace credentials in (ignored if I(api_key) and
I(username) are provided)
default: null
aliases:
- creds_file
region:
description:
- Region to create an instance in
default: DFW
username:
description:
- Rackspace username (overrides I(credentials))
name:
description:
- Name of the databases server instance
default: null
flavor:
description:
- flavor to use for the instance 1 to 6 (i.e. 512MB to 16GB)
default: 1
volume:
description:
- Volume size of the database 1-150GB
default: 2
state:
description:
- Indicate desired state of the resource
choices: ['present', 'absent']
default: present
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
requirements: [ "pyrax" ]
author: Simon JAILLET
notes:
- The following environment variables can be used, C(RAX_USERNAME),
C(RAX_API_KEY), C(RAX_CREDS_FILE), C(RAX_CREDENTIALS), C(RAX_REGION).
- C(RAX_CREDENTIALS) and C(RAX_CREDS_FILE) points to a credentials file
appropriate for pyrax. See U(https://github.com/rackspace/pyrax/blob/master/docs/getting_started.md#authenticating)
- C(RAX_USERNAME) and C(RAX_API_KEY) obviate the use of a credentials file
- C(RAX_REGION) defines a Rackspace Public Cloud region (DFW, ORD, LON, ...)
'''
EXAMPLES
=
'''
- name: Build a Cloud Databases
gather_facts: False
tasks:
- name: Server build request
local_action:
module: rax_cdb
credentials: ~/.raxpub
region: IAD
name: db-server1
flavor: 1
volume: 2
wait: yes
state: present
register: rax_db_server
'''
import
sys
from
types
import
NoneType
try
:
import
pyrax
except
ImportError
:
print
(
"failed=True msg='pyrax is required for this module'"
)
sys
.
exit
(
1
)
NON_CALLABLES
=
(
basestring
,
bool
,
dict
,
int
,
list
,
NoneType
)
def
to_dict
(
obj
):
instance
=
{}
for
key
in
dir
(
obj
):
value
=
getattr
(
obj
,
key
)
if
(
isinstance
(
value
,
NON_CALLABLES
)
and
not
key
.
startswith
(
'_'
)):
instance
[
key
]
=
value
return
instance
def
find_instance
(
name
):
cdb
=
pyrax
.
cloud_databases
instances
=
cdb
.
list
()
if
instances
:
for
instance
in
instances
:
if
instance
.
name
==
name
:
return
instance
return
False
def
save_instance
(
module
,
name
,
flavor
,
volume
,
wait
,
wait_timeout
):
for
arg
,
value
in
dict
(
name
=
name
,
flavor
=
flavor
,
volume
=
volume
)
.
iteritems
():
if
not
value
:
module
.
fail_json
(
msg
=
'
%
s is required for the "rax_cdb"'
' module'
%
arg
)
if
not
(
volume
>=
1
and
volume
<=
150
):
module
.
fail_json
(
msg
=
'volume is required to be between 1 and 150'
)
cdb
=
pyrax
.
cloud_databases
flavors
=
[]
for
item
in
cdb
.
list_flavors
():
flavors
.
append
(
item
.
id
)
if
not
(
flavor
in
flavors
):
module
.
fail_json
(
msg
=
'unexisting flavor reference "
%
s"'
%
str
(
flavor
))
changed
=
False
instance
=
find_instance
(
name
)
if
not
instance
:
action
=
'create'
try
:
instance
=
cdb
.
create
(
name
=
name
,
flavor
=
flavor
,
volume
=
volume
)
except
Exception
,
e
:
module
.
fail_json
(
msg
=
'
%
s'
%
e
.
message
)
else
:
changed
=
True
else
:
action
=
None
if
instance
.
volume
.
size
!=
volume
:
action
=
'resize'
if
instance
.
volume
.
size
>
volume
:
module
.
fail_json
(
changed
=
False
,
action
=
action
,
msg
=
'The new volume size must be larger than the'
' current volume size'
,
cdb
=
to_dict
(
instance
)
)
instance
.
resize_volume
(
volume
)
changed
=
True
if
int
(
instance
.
flavor
.
id
)
!=
flavor
:
action
=
'resize'
pyrax
.
utils
.
wait_until
(
instance
,
'status'
,
'ACTIVE'
,
attempts
=
wait_timeout
)
instance
.
resize
(
flavor
)
changed
=
True
if
wait
:
pyrax
.
utils
.
wait_until
(
instance
,
'status'
,
'ACTIVE'
,
attempts
=
wait_timeout
)
if
wait
and
instance
.
status
!=
'ACTIVE'
:
module
.
fail_json
(
changed
=
changed
,
action
=
action
,
cdb
=
to_dict
(
instance
),
msg
=
'Timeout waiting for "
%
s" databases instance to be '
'created'
%
name
)
module
.
exit_json
(
changed
=
changed
,
action
=
action
,
cdb
=
to_dict
(
instance
))
def
delete_instance
(
module
,
name
,
wait
,
wait_timeout
):
if
not
name
:
module
.
fail_json
(
msg
=
'name is required for the "rax_cdb" module'
)
changed
=
False
instance
=
find_instance
(
name
)
if
not
instance
:
module
.
exit_json
(
changed
=
False
,
action
=
'delete'
)
try
:
instance
.
delete
()
except
Exception
,
e
:
module
.
fail_json
(
msg
=
'
%
s'
%
e
.
message
)
else
:
changed
=
True
if
wait
:
pyrax
.
utils
.
wait_until
(
instance
,
'status'
,
'SHUTDOWN'
,
attempts
=
wait_timeout
)
if
wait
and
instance
.
status
!=
'SHUTDOWN'
:
module
.
fail_json
(
changed
=
changed
,
action
=
'delete'
,
cdb
=
to_dict
(
instance
),
msg
=
'Timeout waiting for "
%
s" databases instance to be '
'deleted'
%
name
)
module
.
exit_json
(
changed
=
changed
,
action
=
'delete'
,
cdb
=
to_dict
(
instance
))
def
rax_cdb
(
module
,
state
,
name
,
flavor
,
volume
,
wait
,
wait_timeout
):
# act on the state
if
state
==
'present'
:
save_instance
(
module
,
name
,
flavor
,
volume
,
wait
,
wait_timeout
)
elif
state
==
'absent'
:
delete_instance
(
module
,
name
,
wait
,
wait_timeout
)
def
main
():
argument_spec
=
rax_argument_spec
()
argument_spec
.
update
(
dict
(
name
=
dict
(
type
=
'str'
,
required
=
True
),
flavor
=
dict
(
type
=
'int'
,
default
=
1
),
volume
=
dict
(
type
=
'int'
,
default
=
2
),
state
=
dict
(
default
=
'present'
,
choices
=
[
'present'
,
'absent'
]),
wait
=
dict
(
type
=
'bool'
,
default
=
False
),
wait_timeout
=
dict
(
type
=
'int'
,
default
=
300
),
)
)
module
=
AnsibleModule
(
argument_spec
=
argument_spec
,
required_together
=
rax_required_together
(),
)
name
=
module
.
params
.
get
(
'name'
)
flavor
=
module
.
params
.
get
(
'flavor'
)
volume
=
module
.
params
.
get
(
'volume'
)
state
=
module
.
params
.
get
(
'state'
)
wait
=
module
.
params
.
get
(
'wait'
)
wait_timeout
=
module
.
params
.
get
(
'wait_timeout'
)
setup_rax_module
(
module
,
pyrax
)
rax_cdb
(
module
,
state
,
name
,
flavor
,
volume
,
wait
,
wait_timeout
)
# import module snippets
from
ansible.module_utils.basic
import
*
from
ansible.module_utils.rax
import
*
### invoke the module
main
()
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