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ceph-ansible/library/radosgw_zonegroup.py

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# Copyright 2020, Red Hat, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from __future__ import absolute_import, division, print_function
__metaclass__ = type
from ansible.module_utils.basic import AnsibleModule
try:
from ansible.module_utils.ca_common import fatal
except ImportError:
from module_utils.ca_common import fatal
import datetime
import json
import os
ANSIBLE_METADATA = {
'metadata_version': '1.1',
'status': ['preview'],
'supported_by': 'community'
}
DOCUMENTATION = '''
---
module: radosgw_zonegroup
short_description: Manage RADOS Gateway Zonegroup
version_added: "2.8"
description:
- Manage RADOS Gateway zonegroup(s) creation, deletion and updates.
options:
cluster:
description:
- The ceph cluster name.
required: false
default: ceph
name:
description:
- name of the RADOS Gateway zonegroup.
required: true
state:
description:
If 'present' is used, the module creates a zonegroup if it doesn't
exist or update it if it already exists.
If 'absent' is used, the module will simply delete the zonegroup.
If 'info' is used, the module will return all details about the
existing zonegroup (json formatted).
required: false
choices: ['present', 'absent', 'info']
default: present
realm:
description:
- name of the RADOS Gateway realm.
required: true
endpoints:
description:
- endpoints of the RADOS Gateway zonegroup.
required: false
default: []
default:
description:
- set the default flag on the zonegroup.
required: false
default: false
master:
description:
- set the master flag on the zonegroup.
required: false
default: false
author:
- Dimitri Savineau <dsavinea@redhat.com>
'''
EXAMPLES = '''
- name: create a RADOS Gateway default zonegroup
radosgw_zonegroup:
name: foo
realm: bar
endpoints:
- http://192.168.1.10:8080
- http://192.168.1.11:8080
default: true
- name: get a RADOS Gateway zonegroup information
radosgw_zonegroup:
name: foo
realm: bar
state: info
- name: delete a RADOS Gateway zonegroup
radosgw_zonegroup:
name: foo
realm: bar
state: absent
'''
RETURN = '''# '''
def container_exec(binary, container_image):
'''
Build the docker CLI to run a command inside a container
'''
container_binary = os.getenv('CEPH_CONTAINER_BINARY')
command_exec = [container_binary,
'run',
'--rm',
'--net=host',
'-v', '/etc/ceph:/etc/ceph:z',
'-v', '/var/lib/ceph/:/var/lib/ceph/:z',
'-v', '/var/log/ceph/:/var/log/ceph/:z',
'--entrypoint=' + binary, container_image]
return command_exec
def is_containerized():
'''
Check if we are running on a containerized cluster
'''
if 'CEPH_CONTAINER_IMAGE' in os.environ:
container_image = os.getenv('CEPH_CONTAINER_IMAGE')
else:
container_image = None
return container_image
def pre_generate_radosgw_cmd(container_image=None):
'''
Generate radosgw-admin prefix comaand
'''
if container_image:
cmd = container_exec('radosgw-admin', container_image)
else:
cmd = ['radosgw-admin']
return cmd
def generate_radosgw_cmd(cluster, args, container_image=None):
'''
Generate 'radosgw' command line to execute
'''
cmd = pre_generate_radosgw_cmd(container_image=container_image)
base_cmd = [
'--cluster',
cluster,
'zonegroup'
]
cmd.extend(base_cmd + args)
return cmd
def exec_commands(module, cmd):
'''
Execute command(s)
'''
rc, out, err = module.run_command(cmd)
return rc, cmd, out, err
def create_zonegroup(module, container_image=None):
'''
Create a new zonegroup
'''
cluster = module.params.get('cluster')
name = module.params.get('name')
realm = module.params.get('realm')
endpoints = module.params.get('endpoints')
default = module.params.get('default')
master = module.params.get('master')
args = ['create', '--rgw-realm=' + realm, '--rgw-zonegroup=' + name]
if endpoints:
args.extend(['--endpoints=' + ','.join(endpoints)])
if default:
args.append('--default')
if master:
args.append('--master')
cmd = generate_radosgw_cmd(cluster=cluster,
args=args,
container_image=container_image)
return cmd
def modify_zonegroup(module, container_image=None):
'''
Modify a new zonegroup
'''
cluster = module.params.get('cluster')
name = module.params.get('name')
realm = module.params.get('realm')
endpoints = module.params.get('endpoints')
default = module.params.get('default')
master = module.params.get('master')
args = ['modify', '--rgw-realm=' + realm, '--rgw-zonegroup=' + name]
if endpoints:
args.extend(['--endpoints=' + ','.join(endpoints)])
if default:
args.append('--default')
if master:
args.append('--master')
cmd = generate_radosgw_cmd(cluster=cluster,
args=args,
container_image=container_image)
return cmd
def get_zonegroup(module, container_image=None):
'''
Get existing zonegroup
'''
cluster = module.params.get('cluster')
name = module.params.get('name')
realm = module.params.get('realm')
args = [
'get',
'--rgw-realm=' + realm,
'--rgw-zonegroup=' + name,
'--format=json'
]
cmd = generate_radosgw_cmd(cluster=cluster,
args=args,
container_image=container_image)
return cmd
def get_realm(module, container_image=None):
'''
Get existing realm
'''
cluster = module.params.get('cluster')
realm = module.params.get('realm')
cmd = pre_generate_radosgw_cmd(container_image=container_image)
args = [
'--cluster',
cluster,
'realm',
'get',
'--rgw-realm=' + realm,
'--format=json'
]
cmd.extend(args)
return cmd
def remove_zonegroup(module, container_image=None):
'''
Remove a zonegroup
'''
cluster = module.params.get('cluster')
name = module.params.get('name')
realm = module.params.get('realm')
args = ['delete', '--rgw-realm=' + realm, '--rgw-zonegroup=' + name]
cmd = generate_radosgw_cmd(cluster=cluster,
args=args,
container_image=container_image)
return cmd
def exit_module(module, out, rc, cmd, err, startd, changed=False):
endd = datetime.datetime.now()
delta = endd - startd
result = dict(
cmd=cmd,
start=str(startd),
end=str(endd),
delta=str(delta),
rc=rc,
stdout=out.rstrip("\r\n"),
stderr=err.rstrip("\r\n"),
changed=changed,
)
module.exit_json(**result)
def run_module():
module_args = dict(
cluster=dict(type='str', required=False, default='ceph'),
name=dict(type='str', required=True),
state=dict(type='str', required=False, choices=['present', 'absent', 'info'], default='present'), # noqa: E501
realm=dict(type='str', require=True),
endpoints=dict(type='list', require=False, default=[]),
default=dict(type='bool', required=False, default=False),
master=dict(type='bool', required=False, default=False),
)
module = AnsibleModule(
argument_spec=module_args,
supports_check_mode=True,
)
# Gather module parameters in variables
name = module.params.get('name')
state = module.params.get('state')
endpoints = module.params.get('endpoints')
master = str(module.params.get('master')).lower()
if module.check_mode:
module.exit_json(
changed=False,
stdout='',
stderr='',
rc=0,
start='',
end='',
delta='',
)
startd = datetime.datetime.now()
changed = False
# will return either the image name or None
container_image = is_containerized()
if state == "present":
rc, cmd, out, err = exec_commands(module, get_zonegroup(module, container_image=container_image)) # noqa: E501
if rc == 0:
zonegroup = json.loads(out)
_rc, _cmd, _out, _err = exec_commands(module, get_realm(module, container_image=container_image)) # noqa: E501
if _rc != 0:
fatal(_err, module)
realm = json.loads(_out)
current = {
'endpoints': zonegroup['endpoints'],
'master': zonegroup.get('is_master', 'false'),
'realm_id': zonegroup['realm_id']
}
asked = {
'endpoints': endpoints,
'master': master,
'realm_id': realm['id']
}
if current != asked:
rc, cmd, out, err = exec_commands(module, modify_zonegroup(module, container_image=container_image)) # noqa: E501
changed = True
else:
rc, cmd, out, err = exec_commands(module, create_zonegroup(module, container_image=container_image)) # noqa: E501
changed = True
elif state == "absent":
rc, cmd, out, err = exec_commands(module, get_zonegroup(module, container_image=container_image)) # noqa: E501
if rc == 0:
rc, cmd, out, err = exec_commands(module, remove_zonegroup(module, container_image=container_image)) # noqa: E501
changed = True
else:
rc = 0
out = "Zonegroup {} doesn't exist".format(name)
elif state == "info":
rc, cmd, out, err = exec_commands(module, get_zonegroup(module, container_image=container_image)) # noqa: E501
exit_module(module=module, out=out, rc=rc, cmd=cmd, err=err, startd=startd, changed=changed) # noqa: E501
def main():
run_module()
if __name__ == '__main__':
main()
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