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ansible/test/units/modules/storage/netapp/test_na_ontap_flexcache.py

530 lines
20 KiB
Python

# (c) 2018, NetApp, Inc
# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
''' unit test for ONTAP FlexCache Ansible module '''
from __future__ import print_function
import json
import pytest
from units.compat import unittest
from units.compat.mock import patch
from ansible.module_utils import basic
from ansible.module_utils._text import to_bytes
import ansible.module_utils.netapp as netapp_utils
from ansible.modules.storage.netapp.na_ontap_flexcache \
import NetAppONTAPFlexCache as my_module # module under test
if not netapp_utils.has_netapp_lib():
pytestmark = pytest.mark.skip('skipping as missing required netapp_lib')
def set_module_args(args):
"""prepare arguments so that they will be picked up during module creation"""
args = json.dumps({'ANSIBLE_MODULE_ARGS': args})
basic._ANSIBLE_ARGS = to_bytes(args) # pylint: disable=protected-access
class AnsibleExitJson(Exception):
"""Exception class to be raised by module.exit_json and caught by the test case"""
pass
class AnsibleFailJson(Exception):
"""Exception class to be raised by module.fail_json and caught by the test case"""
pass
def exit_json(*args, **kwargs): # pylint: disable=unused-argument
"""function to patch over exit_json; package return data into an exception"""
if 'changed' not in kwargs:
kwargs['changed'] = False
raise AnsibleExitJson(kwargs)
def fail_json(*args, **kwargs): # pylint: disable=unused-argument
"""function to patch over fail_json; package return data into an exception"""
kwargs['failed'] = True
raise AnsibleFailJson(kwargs)
class MockONTAPConnection(object):
''' mock server connection to ONTAP host '''
def __init__(self, kind=None, parm1=None, api_error=None, job_error=None):
''' save arguments '''
self.type = kind
self.parm1 = parm1
self.api_error = api_error
self.job_error = job_error
self.xml_in = None
self.xml_out = None
def invoke_successfully(self, xml, enable_tunneling): # pylint: disable=unused-argument
''' mock invoke_successfully returning xml data '''
self.xml_in = xml
tag = xml.get_name()
if tag == 'flexcache-get-iter' and self.type == 'vserver':
xml = self.build_flexcache_info(self.parm1)
elif tag == 'flexcache-create-async':
xml = self.build_flexcache_create_destroy_rsp()
elif tag == 'flexcache-destroy-async':
if self.api_error:
code, message = self.api_error.split(':', 2)
raise netapp_utils.zapi.NaApiError(code, message)
xml = self.build_flexcache_create_destroy_rsp()
elif tag == 'job-get':
xml = self.build_job_info(self.job_error)
self.xml_out = xml
return xml
@staticmethod
def build_flexcache_info(vserver):
''' build xml data for vserser-info '''
xml = netapp_utils.zapi.NaElement('xml')
attributes = netapp_utils.zapi.NaElement('attributes-list')
count = 2 if vserver == 'repeats' else 1
for dummy in range(count):
attributes.add_node_with_children('flexcache-info', **{
'vserver': vserver,
'origin-vserver': 'ovserver',
'origin-volume': 'ovolume',
'origin-cluster': 'ocluster',
'volume': 'volume',
})
xml.add_child_elem(attributes)
xml.add_new_child('num-records', str(count))
return xml
@staticmethod
def build_flexcache_create_destroy_rsp():
''' build xml data for a create or destroy response '''
xml = netapp_utils.zapi.NaElement('xml')
xml.add_new_child('result-status', 'in_progress')
xml.add_new_child('result-jobid', '1234')
return xml
@staticmethod
def build_job_info(error):
''' build xml data for a job '''
xml = netapp_utils.zapi.NaElement('xml')
attributes = netapp_utils.zapi.NaElement('attributes')
if error is None:
state = 'success'
elif error == 'time_out':
state = 'running'
else:
state = 'failure'
attributes.add_node_with_children('job-info', **{
'job-state': state,
'job-progress': 'dummy',
'job-completion': error,
})
xml.add_child_elem(attributes)
xml.add_new_child('result-status', 'in_progress')
xml.add_new_child('result-jobid', '1234')
return xml
class TestMyModule(unittest.TestCase):
''' a group of related Unit Tests '''
def setUp(self):
self.mock_module_helper = patch.multiple(basic.AnsibleModule,
exit_json=exit_json,
fail_json=fail_json)
self.mock_module_helper.start()
self.addCleanup(self.mock_module_helper.stop)
# make sure to change this to False before submitting
self.onbox = False
self.dummy_args = dict()
for arg in ('hostname', 'username', 'password'):
self.dummy_args[arg] = arg
if self.onbox:
self.args = {
'hostname': '10.193.78.219',
'username': 'admin',
'password': 'netapp1!',
}
else:
self.args = self.dummy_args
self.server = MockONTAPConnection()
def create_flexcache(self, vserver, volume, junction_path):
''' create flexcache '''
if not self.onbox:
return
args = {
'state': 'present',
'volume': volume,
'size': '90', # 80MB minimum
'size_unit': 'mb', # 80MB minimum
'vserver': vserver,
'aggr_list': 'aggr1',
'origin_volume': 'fc_vol_origin',
'origin_vserver': 'ansibleSVM',
'junction_path': junction_path,
}
args.update(self.args)
set_module_args(args)
my_obj = my_module()
try:
my_obj.apply()
except AnsibleExitJson as exc:
print('Create util: ' + repr(exc))
except AnsibleFailJson as exc:
print('Create util: ' + repr(exc))
def delete_flexcache(self, vserver, volume):
''' delete flexcache '''
if not self.onbox:
return
args = {'volume': volume, 'vserver': vserver, 'state': 'absent', 'force_offline': 'true'}
args.update(self.args)
set_module_args(args)
my_obj = my_module()
try:
my_obj.apply()
except AnsibleExitJson as exc:
print('Delete util: ' + repr(exc))
except AnsibleFailJson as exc:
print('Delete util: ' + repr(exc))
def test_module_fail_when_required_args_missing(self):
''' required arguments are reported as errors '''
with pytest.raises(AnsibleFailJson) as exc:
set_module_args({})
my_module()
print('Info: %s' % exc.value.args[0]['msg'])
def test_missing_parameters(self):
''' fail if origin volume and origin verser are missing '''
args = {
'vserver': 'vserver',
'volume': 'volume'
}
args.update(self.dummy_args)
set_module_args(args)
my_obj = my_module()
my_obj.server = self.server
with pytest.raises(AnsibleFailJson) as exc:
# It may not be a good idea to start with apply
# More atomic methods can be easier to mock
# Hint: start with get methods, as they are called first
my_obj.apply()
msg = 'Missing parameters: origin_volume, origin_vserver'
assert exc.value.args[0]['msg'] == msg
def test_missing_parameter(self):
''' fail if origin verser parameter is missing '''
args = {
'vserver': 'vserver',
'origin_volume': 'origin_volume',
'volume': 'volume'
}
args.update(self.dummy_args)
set_module_args(args)
my_obj = my_module()
my_obj.server = self.server
with pytest.raises(AnsibleFailJson) as exc:
my_obj.apply()
msg = 'Missing parameter: origin_vserver'
assert exc.value.args[0]['msg'] == msg
def test_get_flexcache(self):
''' get flexcache info '''
args = {
'vserver': 'ansibleSVM',
'origin_volume': 'origin_volume',
'volume': 'volume'
}
args.update(self.args)
set_module_args(args)
my_obj = my_module()
if not self.onbox:
my_obj.server = MockONTAPConnection('vserver')
info = my_obj.flexcache_get()
print('info: ' + repr(info))
def test_get_flexcache_double(self):
''' get flexcache info returns 2 entries! '''
args = {
'vserver': 'ansibleSVM',
'origin_volume': 'origin_volume',
'volume': 'volume'
}
args.update(self.dummy_args)
set_module_args(args)
my_obj = my_module()
my_obj.server = MockONTAPConnection('vserver', 'repeats')
with pytest.raises(AnsibleFailJson) as exc:
my_obj.flexcache_get()
msg = 'Error fetching FlexCache info: Multiple records found for %s:' % args['volume']
assert exc.value.args[0]['msg'] == msg
def test_create_flexcache(self):
''' create flexcache '''
args = {
'volume': 'volume',
'size': '90', # 80MB minimum
'size_unit': 'mb', # 80MB minimum
'vserver': 'ansibleSVM',
'aggr_list': 'aggr1',
'origin_volume': 'fc_vol_origin',
'origin_vserver': 'ansibleSVM',
}
self.delete_flexcache(args['vserver'], args['volume'])
args.update(self.args)
set_module_args(args)
my_obj = my_module()
if not self.onbox:
my_obj.server = MockONTAPConnection()
with patch.object(my_module, 'flexcache_create', wraps=my_obj.flexcache_create) as mock_create:
# with patch('__main__.my_module.flexcache_create', wraps=my_obj.flexcache_create) as mock_create:
with pytest.raises(AnsibleExitJson) as exc:
my_obj.apply()
print('Create: ' + repr(exc.value))
assert exc.value.args[0]['changed']
mock_create.assert_called_with()
def test_create_flexcache_idempotent(self):
''' create flexcache - already exists '''
args = {
'volume': 'volume',
'vserver': 'ansibleSVM',
'aggr_list': 'aggr1',
'origin_volume': 'fc_vol_origin',
'origin_vserver': 'ansibleSVM',
}
args.update(self.args)
set_module_args(args)
my_obj = my_module()
if not self.onbox:
my_obj.server = MockONTAPConnection('vserver')
with pytest.raises(AnsibleExitJson) as exc:
my_obj.apply()
print('Create: ' + repr(exc.value))
assert exc.value.args[0]['changed'] is False
def test_create_flexcache_autoprovision(self):
''' create flexcache with autoprovision'''
args = {
'volume': 'volume',
'size': '90', # 80MB minimum
'size_unit': 'mb', # 80MB minimum
'vserver': 'ansibleSVM',
'auto_provision_as': 'flexgroup',
'origin_volume': 'fc_vol_origin',
'origin_vserver': 'ansibleSVM',
}
self.delete_flexcache(args['vserver'], args['volume'])
args.update(self.args)
set_module_args(args)
my_obj = my_module()
if not self.onbox:
my_obj.server = MockONTAPConnection()
with patch.object(my_module, 'flexcache_create', wraps=my_obj.flexcache_create) as mock_create:
with pytest.raises(AnsibleExitJson) as exc:
my_obj.apply()
print('Create: ' + repr(exc.value))
assert exc.value.args[0]['changed']
mock_create.assert_called_with()
def test_create_flexcache_autoprovision_idempotent(self):
''' create flexcache with autoprovision - already exists '''
args = {
'volume': 'volume',
'vserver': 'ansibleSVM',
'origin_volume': 'fc_vol_origin',
'origin_vserver': 'ansibleSVM',
'auto_provision_as': 'flexgroup',
}
args.update(self.args)
set_module_args(args)
my_obj = my_module()
if not self.onbox:
my_obj.server = MockONTAPConnection('vserver')
with pytest.raises(AnsibleExitJson) as exc:
my_obj.apply()
print('Create: ' + repr(exc.value))
assert exc.value.args[0]['changed'] is False
def test_create_flexcache_multiplier(self):
''' create flexcache with aggregate multiplier'''
args = {
'volume': 'volume',
'size': '90', # 80MB minimum
'size_unit': 'mb', # 80MB minimum
'vserver': 'ansibleSVM',
'aggr_list': 'aggr1',
'origin_volume': 'fc_vol_origin',
'origin_vserver': 'ansibleSVM',
'aggr_list_multiplier': '2',
}
self.delete_flexcache(args['vserver'], args['volume'])
args.update(self.args)
set_module_args(args)
my_obj = my_module()
if not self.onbox:
my_obj.server = MockONTAPConnection()
with patch.object(my_module, 'flexcache_create', wraps=my_obj.flexcache_create) as mock_create:
with pytest.raises(AnsibleExitJson) as exc:
my_obj.apply()
print('Create: ' + repr(exc.value))
assert exc.value.args[0]['changed']
mock_create.assert_called_with()
def test_create_flexcache_multiplier_idempotent(self):
''' create flexcache with aggregate multiplier - already exists '''
args = {
'volume': 'volume',
'vserver': 'ansibleSVM',
'aggr_list': 'aggr1',
'origin_volume': 'fc_vol_origin',
'origin_vserver': 'ansibleSVM',
'aggr_list_multiplier': '2',
}
args.update(self.args)
set_module_args(args)
my_obj = my_module()
if not self.onbox:
my_obj.server = MockONTAPConnection('vserver')
with pytest.raises(AnsibleExitJson) as exc:
my_obj.apply()
print('Create: ' + repr(exc.value))
assert exc.value.args[0]['changed'] is False
def test_delete_flexcache_exists_no_force(self):
''' delete flexcache '''
args = {'volume': 'volume', 'vserver': 'ansibleSVM', 'state': 'absent'}
args.update(self.args)
set_module_args(args)
my_obj = my_module()
error = '13001:Volume volume in Vserver ansibleSVM must be offline to be deleted. ' \
'Use "volume offline -vserver ansibleSVM -volume volume" command to offline ' \
'the volume'
if not self.onbox:
my_obj.server = MockONTAPConnection('vserver', 'flex', api_error=error)
with patch.object(my_module, 'flexcache_delete', wraps=my_obj.flexcache_delete) as mock_delete:
with pytest.raises(AnsibleFailJson) as exc:
my_obj.apply()
print('Delete: ' + repr(exc.value))
msg = 'Error deleting FlexCache : NetApp API failed. Reason - %s' % error
assert exc.value.args[0]['msg'] == msg
mock_delete.assert_called_with()
def test_delete_flexcache_exists_with_force(self):
''' delete flexcache '''
args = {'volume': 'volume', 'vserver': 'ansibleSVM', 'state': 'absent', 'force_offline': 'true'}
args.update(self.args)
set_module_args(args)
my_obj = my_module()
if not self.onbox:
my_obj.server = MockONTAPConnection('vserver', 'flex')
with patch.object(my_module, 'flexcache_delete', wraps=my_obj.flexcache_delete) as mock_delete:
with pytest.raises(AnsibleExitJson) as exc:
my_obj.apply()
print('Delete: ' + repr(exc.value))
assert exc.value.args[0]['changed']
mock_delete.assert_called_with()
def test_delete_flexcache_exists_junctionpath_no_force(self):
''' delete flexcache '''
args = {'volume': 'volume', 'vserver': 'ansibleSVM', 'junction_path': 'jpath', 'state': 'absent', 'force_offline': 'true'}
self.create_flexcache(args['vserver'], args['volume'], args['junction_path'])
args.update(self.args)
set_module_args(args)
my_obj = my_module()
error = '160:Volume volume on Vserver ansibleSVM must be unmounted before being taken offline or restricted.'
if not self.onbox:
my_obj.server = MockONTAPConnection('vserver', 'flex', api_error=error)
with patch.object(my_module, 'flexcache_delete', wraps=my_obj.flexcache_delete) as mock_delete:
with pytest.raises(AnsibleFailJson) as exc:
my_obj.apply()
print('Delete: ' + repr(exc.value))
msg = 'Error deleting FlexCache : NetApp API failed. Reason - %s' % error
assert exc.value.args[0]['msg'] == msg
mock_delete.assert_called_with()
def test_delete_flexcache_exists_junctionpath_with_force(self):
''' delete flexcache '''
args = {'volume': 'volume', 'vserver': 'ansibleSVM', 'junction_path': 'jpath', 'state': 'absent', 'force_offline': 'true', 'force_unmount': 'true'}
self.create_flexcache(args['vserver'], args['volume'], args['junction_path'])
args.update(self.args)
set_module_args(args)
my_obj = my_module()
if not self.onbox:
my_obj.server = MockONTAPConnection('vserver', 'flex')
with patch.object(my_module, 'flexcache_delete', wraps=my_obj.flexcache_delete) as mock_delete:
with pytest.raises(AnsibleExitJson) as exc:
my_obj.apply()
print('Delete: ' + repr(exc.value))
assert exc.value.args[0]['changed']
mock_delete.assert_called_with()
def test_delete_flexcache_not_exist(self):
''' delete flexcache '''
args = {'volume': 'volume', 'vserver': 'ansibleSVM', 'state': 'absent'}
args.update(self.args)
set_module_args(args)
my_obj = my_module()
if not self.onbox:
my_obj.server = MockONTAPConnection()
with pytest.raises(AnsibleExitJson) as exc:
my_obj.apply()
print('Delete: ' + repr(exc.value))
assert exc.value.args[0]['changed'] is False
def test_create_flexcache_size_error(self):
''' create flexcache '''
args = {
'volume': 'volume_err',
'size': '50', # 80MB minimum
'size_unit': 'mb', # 80MB minimum
'vserver': 'ansibleSVM',
'aggr_list': 'aggr1',
'origin_volume': 'fc_vol_origin',
'origin_vserver': 'ansibleSVM',
}
args.update(self.args)
set_module_args(args)
my_obj = my_module()
error = 'Size "50MB" ("52428800B") is too small. Minimum size is "80MB" ("83886080B"). '
if not self.onbox:
my_obj.server = MockONTAPConnection(job_error=error)
with patch.object(my_module, 'flexcache_create', wraps=my_obj.flexcache_create) as mock_create:
with pytest.raises(AnsibleFailJson) as exc:
my_obj.apply()
print('Create: ' + repr(exc.value))
msg = 'Error when creating flexcache: %s' % error
assert exc.value.args[0]['msg'] == msg
mock_create.assert_called_with()
@patch('time.sleep')
def test_create_flexcache_time_out(self, mock_sleep):
''' create flexcache '''
args = {
'volume': 'volume_err',
'size': '50', # 80MB minimum
'size_unit': 'mb', # 80MB minimum
'vserver': 'ansibleSVM',
'aggr_list': 'aggr1',
'origin_volume': 'fc_vol_origin',
'origin_vserver': 'ansibleSVM',
'time_out': '2'
}
args.update(self.args)
set_module_args(args)
my_obj = my_module()
if not self.onbox:
my_obj.server = MockONTAPConnection(job_error='time_out')
with patch.object(my_module, 'flexcache_create', wraps=my_obj.flexcache_create) as mock_create:
with pytest.raises(AnsibleFailJson) as exc:
my_obj.apply()
print('Create: ' + repr(exc.value))
msg = 'Error when creating flexcache: job completion exceeded expected timer of: %s seconds' \
% args['time_out']
assert exc.value.args[0]['msg'] == msg
mock_create.assert_called_with()