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ceph-ansible/library/radosgw_realm.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
import datetime
import os
ANSIBLE_METADATA = {
'metadata_version': '1.1',
'status': ['preview'],
'supported_by': 'community'
}
DOCUMENTATION = '''
---
module: radosgw_realm
short_description: Manage RADOS Gateway Realm
version_added: "2.8"
description:
- Manage RADOS Gateway realm(s) creation, deletion and updates.
options:
cluster:
description:
- The ceph cluster name.
required: false
default: ceph
name:
description:
- name of the RADOS Gateway realm.
required: true
state:
description:
If 'present' is used, the module creates a realm if it doesn't
exist or update it if it already exists.
If 'absent' is used, the module will simply delete the realm.
If 'info' is used, the module will return all details about the
existing realm (json formatted).
required: false
choices: ['present', 'absent', 'info']
default: present
default:
description:
- set the default flag on the realm.
required: false
default: false
url:
description:
- URL to the master RADOS Gateway zone.
required: false
access_key:
description:
- S3 access key of the master RADOS Gateway zone.
required: false
secret_key:
description:
- S3 secret key of the master RADOS Gateway zone.
required: false
author:
- Dimitri Savineau <dsavinea@redhat.com>
'''
EXAMPLES = '''
- name: create a RADOS Gateway default realm
radosgw_realm:
name: foo
default: true
- name: get a RADOS Gateway realm information
radosgw_realm:
name: foo
state: info
- name: delete a RADOS Gateway realm
radosgw_realm:
name: foo
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,
'realm'
]
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_realm(module, container_image=None):
'''
Create a new realm
'''
cluster = module.params.get('cluster')
name = module.params.get('name')
default = module.params.get('default', False)
args = ['create', '--rgw-realm=' + name]
if default:
args.append('--default')
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')
name = module.params.get('name')
args = ['get', '--rgw-realm=' + name, '--format=json']
cmd = generate_radosgw_cmd(cluster=cluster, args=args, container_image=container_image)
return cmd
def remove_realm(module, container_image=None):
'''
Remove a realm
'''
cluster = module.params.get('cluster')
name = module.params.get('name')
args = ['delete', '--rgw-realm=' + name]
cmd = generate_radosgw_cmd(cluster=cluster, args=args, container_image=container_image)
return cmd
def pull_realm(module, container_image=None):
'''
Pull a realm
'''
cluster = module.params.get('cluster')
name = module.params.get('name')
url = module.params.get('url')
access_key = module.params.get('access_key')
secret_key = module.params.get('secret_key')
args = ['pull', '--rgw-realm=' + name, '--url=' + url, '--access-key=' + access_key, '--secret=' + secret_key]
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', 'pull'], default='present'),
default=dict(type='bool', required=False, default=False),
url=dict(type='str', required=False),
access_key=dict(type='str', required=False),
secret_key=dict(type='str', required=False),
)
module = AnsibleModule(
argument_spec=module_args,
supports_check_mode=True,
required_if=[['state', 'pull', ['url', 'access_key', 'secret_key']]],
)
# Gather module parameters in variables
name = module.params.get('name')
state = module.params.get('state')
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_realm(module, container_image=container_image))
if rc != 0:
rc, cmd, out, err = exec_commands(module, create_realm(module, container_image=container_image))
changed = True
elif state == "absent":
rc, cmd, out, err = exec_commands(module, get_realm(module, container_image=container_image))
if rc == 0:
rc, cmd, out, err = exec_commands(module, remove_realm(module, container_image=container_image))
changed = True
else:
rc = 0
out = "Realm {} doesn't exist".format(name)
elif state == "info":
rc, cmd, out, err = exec_commands(module, get_realm(module, container_image=container_image))
elif state == "pull":
rc, cmd, out, err = exec_commands(module, pull_realm(module, container_image=container_image))
exit_module(module=module, out=out, rc=rc, cmd=cmd, err=err, startd=startd, changed=changed)
def main():
run_module()
if __name__ == '__main__':
main()
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