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New Module: Na_ontap_flexcache (#50885)

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* Revert "changes to clusteR"

This reverts commit 33ee1b71e4bc8435fb315762a871f8c4cb6c5f80.

* New module Flexcache

* update documentation string, and copyright date

* fix issues

* Revert "Revert "changes to clusteR""

This reverts commit 4dab6f7607223037ab18e75a3247747f74ffbc8b.
This commit is contained in:
Chris Archibald 2019-02-19 06:35:29 -08:00 • committed by John R Barker
commit 0c76d8db08
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lib/ansible/modules/storage/netapp/na_ontap_flexcache.py Normal file
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#!/usr/bin/python
# (c) 2019, NetApp, Inc
# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
from __future__ import absolute_import, division, print_function
__metaclass__ = type
ANSIBLE_METADATA = {'metadata_version': '1.1',
'status': ['preview'],
'supported_by': 'certified'}
DOCUMENTATION = '''
short_description: NetApp ONTAP FlexCache - create/delete relationship
author: NetApp Ansible Team (@carchi8py) <ng-ansibleteam@netapp.com>
description:
- Create/Delete FlexCache volume relationships
extends_documentation_fragment:
- netapp.na_ontap
module: na_ontap_flexcache
options:
state:
choices: ['present', 'absent']
description:
- Whether the specified relationship should exist or not.
default: present
origin_volume:
description:
- Name of the origin volume for the FlexCache.
- Required for creation.
origin_vserver:
description:
- Name of the origin vserver for the FlexCache.
- Required for creation.
origin_cluster:
description:
- Name of the origin cluster for the FlexCache.
- Defaults to cluster associated with target vserver if absent.
- Not used for creation.
volume:
description:
- Name of the target volume for the FlexCache.
required: true
junction_path:
description:
- Junction path of the cache volume.
auto_provision_as:
description:
- Use this parameter to automatically select existing aggregates for volume provisioning.Eg flexgroup
- Note that the fastest aggregate type with at least one aggregate on each node of the cluster will be selected.
size:
description:
- Size of cache volume.
size_unit:
description:
- The unit used to interpret the size parameter.
choices: ['bytes', 'b', 'kb', 'mb', 'gb', 'tb', 'pb', 'eb', 'zb', 'yb']
default: gb
vserver:
description:
- Name of the target vserver for the FlexCache.
- Note that hostname, username, password are intended for the target vserver.
required: true
aggr_list:
description:
- List of aggregates to host target FlexCache volume.
aggr_list_multiplier:
description:
- Aggregate list repeat count.
force_unmount:
description:
- Unmount FlexCache volume. Delete the junction path at which the volume is mounted before deleting the FlexCache relationship.
type: bool
default: false
force_offline:
description:
- Offline FlexCache volume before deleting the FlexCache relationship.
- The volume will be destroyed and data can be lost.
type: bool
default: false
time_out:
description:
- time to wait for flexcache creation or deletion in seconds
- if 0, the request is asynchronous
- default is set to 3 minutes
default: 180
version_added: "2.8"
'''
EXAMPLES = """
- name: Create FlexCache
na_ontap_FlexCache:
state: present
origin_volume: test_src
volume: test_dest
origin_vserver: ansible_src
vserver: ansible_dest
hostname: "{{ netapp_hostname }}"
username: "{{ netapp_username }}"
password: "{{ netapp_password }}"
- name: Delete FlexCache
na_ontap_FlexCache:
state: absent
volume: test_dest
vserver: ansible_dest
hostname: "{{ netapp_hostname }}"
username: "{{ netapp_username }}"
password: "{{ netapp_password }}"
"""
RETURN = """
"""
import time
import traceback
from ansible.module_utils.basic import AnsibleModule
from ansible.module_utils._text import to_native
import ansible.module_utils.netapp as netapp_utils
from ansible.module_utils.netapp_module import NetAppModule
HAS_NETAPP_LIB = netapp_utils.has_netapp_lib()
class NetAppONTAPFlexCache(object):
"""
Class with FlexCache methods
"""
def __init__(self):
self.argument_spec = netapp_utils.na_ontap_host_argument_spec()
self.argument_spec.update(dict(
state=dict(required=False, type='str', choices=['present', 'absent'],
default='present'),
origin_volume=dict(required=False, type='str'),
origin_vserver=dict(required=False, type='str'),
origin_cluster=dict(required=False, type='str'),
auto_provision_as=dict(required=False, type='str'),
volume=dict(required=True, type='str'),
junction_path=dict(required=False, type='str'),
size=dict(required=False, type='int'),
size_unit=dict(default='gb',
choices=['bytes', 'b', 'kb', 'mb', 'gb', 'tb',
'pb', 'eb', 'zb', 'yb'], type='str'),
vserver=dict(required=True, type='str'),
aggr_list=dict(required=False, type='list'),
aggr_list_multiplier=dict(required=False, type='int'),
force_offline=dict(required=False, type='bool', default=False),
force_unmount=dict(required=False, type='bool', default=False),
time_out=dict(required=False, type='int', default=180),
))
self.module = AnsibleModule(
argument_spec=self.argument_spec,
mutually_exclusive=[
('aggr_list', 'auto_provision_as'),
],
supports_check_mode=True
)
self.na_helper = NetAppModule()
self.parameters = self.na_helper.set_parameters(self.module.params)
if self.parameters.get('size'):
self.parameters['size'] = self.parameters['size'] * \
netapp_utils.POW2_BYTE_MAP[self.parameters['size_unit']]
# setup later if required
self.origin_server = None
if HAS_NETAPP_LIB is False:
self.module.fail_json(msg="the python NetApp-Lib module is required")
else:
self.server = netapp_utils.setup_ontap_zapi(module=self.module,
vserver=self.parameters['vserver'])
def add_parameter_to_dict(self, adict, name, key=None, tostr=False):
''' add defined parameter (not None) to adict using key '''
if key is None:
key = name
if self.parameters.get(name) is not None:
if tostr:
adict[key] = str(self.parameters.get(name))
else:
adict[key] = self.parameters.get(name)
def get_job(self, jobid, server):
"""
Get job details by id
"""
job_get = netapp_utils.zapi.NaElement('job-get')
job_get.add_new_child('job-id', jobid)
try:
result = server.invoke_successfully(job_get, enable_tunneling=True)
except netapp_utils.zapi.NaApiError as error:
if to_native(error.code) == "15661":
# Not found
return None
self.module.fail_json(msg='Error fetching job info: %s' % to_native(error),
exception=traceback.format_exc())
results = dict()
job_info = result.get_child_by_name('attributes').get_child_by_name('job-info')
results = {
'job-progress': job_info['job-progress'],
'job-state': job_info['job-state']
}
if job_info.get_child_by_name('job-completion') is not None:
results['job-completion'] = job_info['job-completion']
else:
results['job-completion'] = None
return results
def check_job_status(self, jobid):
"""
Loop until job is complete
"""
server = self.server
sleep_time = 5
time_out = self.parameters['time_out']
while time_out > 0:
results = self.get_job(jobid, server)
# If running as cluster admin, the job is owned by cluster vserver
# rather than the target vserver.
if results is None and server == self.server:
results = netapp_utils.get_cserver(self.server)
server = netapp_utils.setup_na_ontap_zapi(module=self.module, vserver=results)
continue
if results is None:
error = 'cannot locate job with id: %d' % jobid
break
if results['job-state'] in ('queued', 'running'):
time.sleep(sleep_time)
time_out -= sleep_time
continue
if results['job-state'] in ('success', 'failure'):
break
else:
self.module.fail_json(msg='Unexpected job status in: %s' % repr(results))
if results is not None:
if results['job-state'] == 'success':
error = None
elif results['job-state'] in ('queued', 'running'):
error = 'job completion exceeded expected timer of: %s seconds' % \
self.parameters['time_out']
else:
if results['job-completion'] is not None:
error = results['job-completion']
else:
error = results['job-progress']
return error
def flexcache_get_iter(self):
"""
Compose NaElement object to query current FlexCache relation
"""
options = {'volume': self.parameters['volume']}
self.add_parameter_to_dict(options, 'origin_volume', 'origin-volume')
self.add_parameter_to_dict(options, 'origin_vserver', 'origin-vserver')
self.add_parameter_to_dict(options, 'origin_cluster', 'origin-cluster')
flexcache_info = netapp_utils.zapi.NaElement.create_node_with_children(
'flexcache-info', **options)
query = netapp_utils.zapi.NaElement('query')
query.add_child_elem(flexcache_info)
flexcache_get_iter = netapp_utils.zapi.NaElement('flexcache-get-iter')
flexcache_get_iter.add_child_elem(query)
return flexcache_get_iter
def flexcache_get(self):
"""
Get current FlexCache relations
:return: Dictionary of current FlexCache details if query successful, else None
"""
flexcache_get_iter = self.flexcache_get_iter()
flex_info = dict()
try:
result = self.server.invoke_successfully(flexcache_get_iter, enable_tunneling=True)
except netapp_utils.zapi.NaApiError as error:
self.module.fail_json(msg='Error fetching FlexCache info: %s' % to_native(error),
exception=traceback.format_exc())
if result.get_child_by_name('num-records') and \
int(result.get_child_content('num-records')) == 1:
flexcache_info = result.get_child_by_name('attributes-list') \
.get_child_by_name('flexcache-info')
flex_info['origin_cluster'] = flexcache_info.get_child_content('origin-cluster')
flex_info['origin_volume'] = flexcache_info.get_child_content('origin-volume')
flex_info['origin_vserver'] = flexcache_info.get_child_content('origin-vserver')
flex_info['size'] = flexcache_info.get_child_content('size')
flex_info['volume'] = flexcache_info.get_child_content('volume')
flex_info['vserver'] = flexcache_info.get_child_content('vserver')
flex_info['auto_provision_as'] = flexcache_info.get_child_content('auto-provision-as')
return flex_info
if result.get_child_by_name('num-records') and \
int(result.get_child_content('num-records')) > 1:
msg = 'Multiple records found for %s:' % self.parameters['volume']
self.module.fail_json(msg='Error fetching FlexCache info: %s' % msg)
return None
def flexcache_create_async(self):
"""
Create a FlexCache relationship
"""
options = {'origin-volume': self.parameters['origin_volume'],
'origin-vserver': self.parameters['origin_vserver'],
'volume': self.parameters['volume']}
self.add_parameter_to_dict(options, 'junction_path', 'junction-path')
self.add_parameter_to_dict(options, 'auto_provision_as', 'auto-provision-as')
self.add_parameter_to_dict(options, 'size', 'size', tostr=True)
if self.parameters.get('aggr_list'):
if self.parameters.get('aggr_list_multiplier'):
self.tobytes_aggr_list_multiplier = bytes(self.parameters['aggr_list_multiplier'])
self.add_parameter_to_dict(options, 'tobytes_aggr_list_multiplier', 'aggr-list-multiplier')
flexcache_create = netapp_utils.zapi.NaElement.create_node_with_children(
'flexcache-create-async', **options)
if self.parameters.get('aggr_list'):
aggregates = netapp_utils.zapi.NaElement('aggr-list')
for aggregate in self.parameters['aggr_list']:
aggregates.add_new_child('aggr-name', aggregate)
flexcache_create.add_child_elem(aggregates)
try:
result = self.server.invoke_successfully(flexcache_create, enable_tunneling=True)
except netapp_utils.zapi.NaApiError as error:
self.module.fail_json(msg='Error creating FlexCache %s' % to_native(error),
exception=traceback.format_exc())
results = dict()
for key in ('result-status', 'result-jobid'):
if result.get_child_by_name(key):
results[key] = result[key]
return results
def flexcache_create(self):
"""
Create a FlexCache relationship
Check job status
"""
results = self.flexcache_create_async()
status = results.get('result-status')
if status == 'in_progress' and 'result-jobid' in results:
if self.parameters['time_out'] == 0:
# asynchronous call, assuming success!
return
error = self.check_job_status(results['result-jobid'])
if error is None:
return
else:
self.module.fail_json(msg='Error when creating flexcache: %s' % error)
self.module.fail_json(msg='Unexpected error when creating flexcache: results is: %s' % repr(results))
def flexcache_delete_async(self):
"""
Delete FlexCache relationship at destination cluster
"""
options = {'volume': self.parameters['volume']}
flexcache_delete = netapp_utils.zapi.NaElement.create_node_with_children(
'flexcache-destroy-async', **options)
try:
result = self.server.invoke_successfully(flexcache_delete, enable_tunneling=True)
except netapp_utils.zapi.NaApiError as error:
self.module.fail_json(msg='Error deleting FlexCache : %s'
% (to_native(error)),
exception=traceback.format_exc())
results = dict()
for key in ('result-status', 'result-jobid'):
if result.get_child_by_name(key):
results[key] = result[key]
return results
def volume_offline(self):
"""
Offline FlexCache volume at destination cluster
"""
options = {'name': self.parameters['volume']}
xml = netapp_utils.zapi.NaElement.create_node_with_children(
'volume-offline', **options)
try:
self.server.invoke_successfully(xml, enable_tunneling=True)
except netapp_utils.zapi.NaApiError as error:
self.module.fail_json(msg='Error offlining FlexCache volume: %s'
% (to_native(error)),
exception=traceback.format_exc())
def volume_unmount(self):
"""
Unmount FlexCache volume at destination cluster
"""
options = {'volume-name': self.parameters['volume']}
xml = netapp_utils.zapi.NaElement.create_node_with_children(
'volume-unmount', **options)
try:
self.server.invoke_successfully(xml, enable_tunneling=True)
except netapp_utils.zapi.NaApiError as error:
self.module.fail_json(msg='Error unmounting FlexCache volume: %s'
% (to_native(error)),
exception=traceback.format_exc())
def flexcache_delete_async(self):
"""
Delete FlexCache relationship at destination cluster
"""
options = {'volume': self.parameters['volume']}
flexcache_delete = netapp_utils.zapi.NaElement.create_node_with_children(
'flexcache-destroy-async', **options)
try:
result = self.server.invoke_successfully(flexcache_delete, enable_tunneling=True)
except netapp_utils.zapi.NaApiError as error:
self.module.fail_json(msg='Error deleting FlexCache : %s'
% (to_native(error)),
exception=traceback.format_exc())
results = dict()
for key in ('result-status', 'result-jobid'):
if result.get_child_by_name(key):
results[key] = result[key]
return results
def flexcache_delete(self):
"""
Delete FlexCache relationship at destination cluster
Check job status
"""
if self.parameters['force_unmount']:
self.volume_unmount()
if self.parameters['force_offline']:
self.volume_offline()
results = self.flexcache_delete_async()
status = results.get('result-status')
if status == 'in_progress' and 'result-jobid' in results:
if self.parameters['time_out'] == 0:
# asynchronous call, assuming success!
return
error = self.check_job_status(results['result-jobid'])
if error is None:
return
else:
self.module.fail_json(msg='Error when deleting flexcache: %s' % error)
self.module.fail_json(msg='Unexpected error when deleting flexcache: results is: %s' % repr(results))
def check_parameters(self):
"""
Validate parameters and fail if one or more required params are missing
"""
missings = list()
expected = ('origin_volume', 'origin_vserver')
if self.parameters['state'] == 'present':
for param in expected:
if not self.parameters.get(param):
missings.append(param)
if missings:
plural = 's' if len(missings) > 1 else ''
msg = 'Missing parameter%s: %s' % (plural, ', '.join(missings))
self.module.fail_json(msg=msg)
def apply(self):
"""
Apply action to FlexCache
"""
netapp_utils.ems_log_event("na_ontap_flexcache", self.server)
current = self.flexcache_get()
cd_action = self.na_helper.get_cd_action(current, self.parameters)
if cd_action == 'create':
self.check_parameters()
self.flexcache_create()
elif cd_action == 'delete':
self.flexcache_delete()
self.module.exit_json(changed=self.na_helper.changed)
def main():
"""Execute action"""
community_obj = NetAppONTAPFlexCache()
community_obj.apply()
if __name__ == '__main__':
main()