Add oVirt ovirt_quotas and ovirt_quotas_facts modules (#3172)

This commit is contained in:
Ondra Machacek 2016-12-05 18:42:50 +01:00 committed by Matt Clay
parent f6e257201c
commit 55274a4eec
2 changed files with 411 additions and 0 deletions

View file

@ -0,0 +1,294 @@
#!/usr/bin/python
# -*- coding: utf-8 -*-
#
# Copyright (c) 2016 Red Hat, Inc.
#
# 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/>.
#
try:
import ovirtsdk4.types as otypes
except ImportError:
pass
import traceback
from ansible.module_utils.basic import AnsibleModule
from ansible.module_utils.ovirt import (
BaseModule,
check_sdk,
create_connection,
equal,
get_link_name,
ovirt_full_argument_spec,
search_by_name,
)
DOCUMENTATION = '''
---
module: ovirt_quotas
short_description: Module to manage datacenter quotas in oVirt
version_added: "2.3"
author: "Ondra Machacek (@machacekondra)"
description:
- "Module to manage datacenter quotas in oVirt"
options:
name:
description:
- "Name of the the quota to manage."
required: true
state:
description:
- "Should the quota be present/absent."
choices: ['present', 'absent']
default: present
datacenter:
description:
- "Name of the datacenter where quota should be managed."
required: true
description:
description:
- "Description of the the quota to manage."
cluster_threshold:
description:
- "Cluster threshold(soft limit) defined in percentage (0-100)."
cluster_grace:
description:
- "Cluster grace(hard limit) defined in percentage (1-100)."
storage_threshold:
description:
- "Storage threshold(soft limit) defined in percentage (0-100)."
storage_grace:
description:
- "Storage grace(hard limit) defined in percentage (1-100)."
clusters:
description:
- "List of dictionary of cluster limits, which is valid to specific cluster."
- "If cluster isn't spefied it's valid to all clusters in system:"
- "C(cluster) - Name of the cluster."
- "C(memory) - Memory limit (in GiB)."
- "C(cpu) - CPU limit."
storages:
description:
- "List of dictionary of storage limits, which is valid to specific storage."
- "If storage isn't spefied it's valid to all storages in system:"
- "C(storage) - Name of the storage."
- "C(size) - Size limit (in GiB)."
extends_documentation_fragment: ovirt
'''
EXAMPLES = '''
# Examples don't contain auth parameter for simplicity,
# look at ovirt_auth module to see how to reuse authentication:
# Add cluster quota to cluster cluster1 with memory limit 20GiB and CPU limit to 10:
ovirt_quotas:
name: quota1
datacenter: dcX
clusters:
- name: cluster1
memory: 20
cpu: 10
# Add cluster quota to all clusters with memory limit 30GiB and CPU limit to 15:
ovirt_quotas:
name: quota2
datacenter: dcX
clusters:
- memory: 30
cpu: 15
# Add storage quota to storage data1 with size limit to 100GiB
ovirt_quotas:
name: quota3
datacenter: dcX
storage_grace: 40
storage_threshold: 60
storages:
- name: data1
size: 100
# Remove quota quota1 (Note the quota must not be assigned to any VM/disk):
ovirt_quotas:
state: absent
datacenter: dcX
name: quota1
'''
RETURN = '''
id:
description: ID of the quota which is managed
returned: On success if quota is found.
type: str
sample: 7de90f31-222c-436c-a1ca-7e655bd5b60c
quota:
description: "Dictionary of all the quota attributes. Quota attributes can be found on your oVirt instance
at following url: https://ovirt.example.com/ovirt-engine/api/model#types/quota."
returned: On success if quota is found.
'''
class QuotasModule(BaseModule):
def build_entity(self):
return otypes.Quota(
description=self._module.params['description'],
name=self._module.params['name'],
storage_hard_limit_pct=self._module.params.get('storage_grace'),
storage_soft_limit_pct=self._module.params.get('storage_threshold'),
cluster_hard_limit_pct=self._module.params.get('cluster_grace'),
cluster_soft_limit_pct=self._module.params.get('cluster_threshold'),
)
def update_storage_limits(self, entity):
new_limits = {}
for storage in self._module.params.get('storages'):
new_limits[storage.get('name', '')] = {
'size': storage.get('size'),
}
old_limits = {}
sd_limit_service = self._service.service(entity.id).quota_storage_limits_service()
for limit in sd_limit_service.list():
storage = get_link_name(self._connection, limit.storage_domain) if limit.storage_domain else ''
old_limits[storage] = {
'size': limit.limit,
}
sd_limit_service.service(limit.id).remove()
return new_limits == old_limits
def update_cluster_limits(self, entity):
new_limits = {}
for cluster in self._module.params.get('clusters'):
new_limits[cluster.get('name', '')] = {
'cpu': cluster.get('cpu'),
'memory': float(cluster.get('memory')),
}
old_limits = {}
cl_limit_service = self._service.service(entity.id).quota_cluster_limits_service()
for limit in cl_limit_service.list():
cluster = get_link_name(self._connection, limit.cluster) if limit.cluster else ''
old_limits[cluster] = {
'cpu': limit.vcpu_limit,
'memory': limit.memory_limit,
}
cl_limit_service.service(limit.id).remove()
return new_limits == old_limits
def update_check(self, entity):
# -- FIXME --
# Note that we here always remove all cluster/storage limits, because
# it's not currently possible to update them and then re-create the limits
# appropriatelly, this shouldn't have any side-effects, but it's not considered
# as a correct approach.
# This feature is tracked here: https://bugzilla.redhat.com/show_bug.cgi?id=1398576
#
return (
self.update_storage_limits(entity) and
self.update_cluster_limits(entity) and
equal(self._module.params.get('description'), entity.description) and
equal(self._module.params.get('storage_grace'), entity.storage_hard_limit_pct) and
equal(self._module.params.get('storage_threshold'), entity.storage_soft_limit_pct) and
equal(self._module.params.get('cluster_grace'), entity.cluster_hard_limit_pct) and
equal(self._module.params.get('cluster_threshold'), entity.cluster_soft_limit_pct)
)
def main():
argument_spec = ovirt_full_argument_spec(
state=dict(
choices=['present', 'absent'],
default='present',
),
name=dict(required=True),
datacenter=dict(required=True),
description=dict(default=None),
cluster_threshold=dict(default=None, type='int', aliases=['cluster_soft_limit']),
cluster_grace=dict(default=None, type='int', aliases=['cluster_hard_limit']),
storage_threshold=dict(default=None, type='int', aliases=['storage_soft_limit']),
storage_grace=dict(default=None, type='int', aliases=['storage_hard_limit']),
clusters=dict(default=[], type='list'),
storages=dict(default=[], type='list'),
)
module = AnsibleModule(
argument_spec=argument_spec,
supports_check_mode=True,
)
check_sdk(module)
try:
connection = create_connection(module.params.pop('auth'))
datacenters_service = connection.system_service().data_centers_service()
dc_name = module.params['datacenter']
dc_id = getattr(search_by_name(datacenters_service, dc_name), 'id', None)
if dc_id is None:
raise Exception("Datacenter '%s' was not found." % dc_name)
quotas_service = datacenters_service.service(dc_id).quotas_service()
quotas_module = QuotasModule(
connection=connection,
module=module,
service=quotas_service,
)
state = module.params['state']
if state == 'present':
ret = quotas_module.create()
# Manage cluster limits:
cl_limit_service = quotas_service.service(ret['id']).quota_cluster_limits_service()
for cluster in module.params.get('clusters'):
cl_limit_service.add(
limit=otypes.QuotaClusterLimit(
memory_limit=float(cluster.get('memory')),
vcpu_limit=cluster.get('cpu'),
cluster=search_by_name(
connection.system_service().clusters_service(),
cluster.get('name')
),
),
)
# Manage storage limits:
sd_limit_service = quotas_service.service(ret['id']).quota_storage_limits_service()
for storage in module.params.get('storages'):
sd_limit_service.add(
limit=otypes.QuotaStorageLimit(
limit=storage.get('size'),
storage_domain=search_by_name(
connection.system_service().storage_domains_service(),
storage.get('name')
),
)
)
elif state == 'absent':
ret = quotas_module.remove()
module.exit_json(**ret)
except Exception as e:
module.fail_json(msg=str(e), exception=traceback.format_exc())
finally:
connection.close(logout=False)
if __name__ == "__main__":
main()

View file

@ -0,0 +1,117 @@
#!/usr/bin/python
# -*- coding: utf-8 -*-
#
# Copyright (c) 2016 Red Hat, Inc.
#
# 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/>.
#
import fnmatch
import traceback
from ansible.module_utils.basic import AnsibleModule
from ansible.module_utils.ovirt import (
check_sdk,
create_connection,
get_dict_of_struct,
ovirt_full_argument_spec,
search_by_name,
)
DOCUMENTATION = '''
---
module: ovirt_quotas_facts
short_description: Retrieve facts about one or more oVirt quotas
version_added: "2.3"
description:
- "Retrieve facts about one or more oVirt quotas."
notes:
- "This module creates a new top-level C(ovirt_quotas) fact, which
contains a list of quotas."
options:
datacenter:
description:
- "Name of the datacenter where quota resides."
required: true
name:
description:
- "Name of the quota, can be used as glob expression."
extends_documentation_fragment: ovirt
'''
EXAMPLES = '''
# Examples don't contain auth parameter for simplicity,
# look at ovirt_auth module to see how to reuse authentication:
# Gather facts about quota named C<myquota> in Default datacenter:
- ovirt_quotas_facts:
datacenter: Default
name: myquota
- debug:
var: ovirt_quotas
'''
RETURN = '''
ovirt_quotas:
description: "List of dictionaries describing the quotas. Quota attribues are mapped to dictionary keys,
all quotas attributes can be found at following url: https://ovirt.example.com/ovirt-engine/api/model#types/quota."
returned: On success.
type: list
'''
def main():
argument_spec = ovirt_full_argument_spec(
datacenter=dict(required=True),
name=dict(default=None),
)
module = AnsibleModule(argument_spec)
check_sdk(module)
try:
connection = create_connection(module.params.pop('auth'))
datacenters_service = connection.system_service().data_centers_service()
dc_name = module.params['datacenter']
dc = search_by_name(datacenters_service, dc_name)
if dc is None:
raise Exception("Datacenter '%s' was not found." % dc_name)
quotas_service = datacenters_service.service(dc.id).quotas_service()
if module.params['name']:
quotas = [
e for e in quotas_service.list()
if fnmatch.fnmatch(e.name, module.params['name'])
]
else:
quotas = quotas_service.list()
module.exit_json(
changed=False,
ansible_facts=dict(
ovirt_quotas=[
get_dict_of_struct(c) for c in quotas
],
),
)
except Exception as e:
module.fail_json(msg=str(e), exception=traceback.format_exc())
finally:
connection.close(logout=False)
if __name__ == '__main__':
main()