openvswitch_db: Make 'key' parameter optional (#42110)

The OVSDB schema consists of typed columns. The 'key' parameter is
required only for columns with type of a 'map'. This patch makes 'key'
an optional parameter to allow setting values for other column types
like int.

Fixes #42108
This commit is contained in:
Jakub Libosvar 2018-07-09 15:42:41 +02:00 committed by Deepak Agrawal
parent e9c7b513a1
commit 26b0908270
3 changed files with 106 additions and 11 deletions

View file

@ -48,9 +48,10 @@ options:
description:
- Identifies the column in the record.
key:
required: true
required: false
description:
- Identifies the key in the record column
- Identifies the key in the record column, when the column is a map
type.
value:
required: true
description:
@ -87,11 +88,23 @@ EXAMPLES = '''
record: br-int
col: other_config
key: disable-in-band
# Mark port with tag 10
- openvswitch_db:
table: Port
record: port0
col: tag
value: 10
'''
import re
from ansible.module_utils.basic import AnsibleModule
# Regular expression for map type, must not be empty
NON_EMPTY_MAP_RE = re.compile(r'{.+}')
# Regular expression for a map column type
MAP_RE = re.compile(r'{.*}')
def map_obj_to_commands(want, have, module):
""" Define ovs-vsctl command to meet desired state """
@ -102,8 +115,16 @@ def map_obj_to_commands(want, have, module):
templatized_command = "%(ovs-vsctl)s -t %(timeout)s remove %(table)s %(record)s " \
"%(col)s %(key)s=%(value)s"
commands.append(templatized_command % module.params)
elif module.params['key'] is None:
templatized_command = "%(ovs-vsctl)s -t %(timeout)s remove %(table)s %(record)s " \
"%(col)s"
commands.append(templatized_command % module.params)
else:
if 'key' not in have.keys():
if module.params['key'] is None:
templatized_command = "%(ovs-vsctl)s -t %(timeout)s set %(table)s %(record)s " \
"%(col)s=%(value)s"
commands.append(templatized_command % module.params)
elif 'key' not in have.keys():
templatized_command = "%(ovs-vsctl)s -t %(timeout)s add %(table)s %(record)s " \
"%(col)s %(key)s=%(value)s"
commands.append(templatized_command % module.params)
@ -125,8 +146,16 @@ def map_config_to_obj(module):
match = re.search(r'^' + module.params['col'] + r'(\s+):(\s+)(.*)$', out, re.M)
col_value = match.group(3)
# Map types require key argument
has_key = module.params['key'] is not None
is_map = MAP_RE.match(col_value)
if is_map and not has_key:
module.fail_json(
msg="missing required arguments: key for map type of column")
col_value_to_dict = {}
if col_value and col_value != '{}':
if NON_EMPTY_MAP_RE.match(col_value):
for kv in col_value[1:-1].split(', '):
k, v = kv.split('=')
col_value_to_dict[k.strip()] = v.strip()
@ -137,9 +166,12 @@ def map_config_to_obj(module):
'col': module.params['col'],
}
if has_key and is_map:
if module.params['key'] in col_value_to_dict:
obj['key'] = module.params['key']
obj['value'] = col_value_to_dict[module.params['key']]
else:
obj['value'] = col_value.strip()
return obj
@ -149,10 +181,13 @@ def map_params_to_obj(module):
'table': module.params['table'],
'record': module.params['record'],
'col': module.params['col'],
'key': module.params['key'],
'value': module.params['value']
}
key = module.params['key']
if key is not None:
obj['key'] = key
return obj
@ -163,7 +198,7 @@ def main():
'table': {'required': True},
'record': {'required': True},
'col': {'required': True},
'key': {'required': True},
'key': {'required': False},
'value': {'required': True},
'timeout': {'default': 5, 'type': 'int'},
}

View file

@ -33,7 +33,7 @@
that:
- "result.changed == false"
- name: Change column value
- name: Change column value in a map
openvswitch_db:
table: Bridge
record: br-test
@ -46,7 +46,7 @@
that:
- "result.changed == true"
- name: Change column value again (idempotent)
- name: Change column value in a map again (idempotent)
openvswitch_db:
table: Bridge
record: br-test
@ -59,6 +59,43 @@
that:
- "result.changed == false"
- name: Change column value
openvswitch_db:
table: Bridge
record: br-test
col: stp_enable
value: true
register: result
- assert:
that:
- "result.changed == true"
- name: Change column value again (idempotent)
openvswitch_db:
table: Bridge
record: br-test
col: stp_enable
value: true
register: result
- assert:
that:
- "result.changed == false"
- name: Try to set value on a map type without a key (negative)
ignore_errors: true
openvswitch_db:
table: Bridge
record: br-test
col: other_config
value: true
register: result
- assert:
that:
- "result.failed == true"
- name: Remove bridge
openvswitch_db:
table: Bridge

View file

@ -41,6 +41,12 @@ test_name_side_effect_matrix = {
'test_openvswitch_db_present_updates_key': [
(0, 'openvswitch_db_disable_in_band_true.cfg', None),
(0, None, None)],
'test_openvswitch_db_present_missing_key_on_map': [
(0, 'openvswitch_db_disable_in_band_true.cfg', None),
(0, None, None)],
'test_openvswitch_db_present_stp_enable': [
(0, 'openvswitch_db_disable_in_band_true.cfg', None),
(0, None, None)],
}
@ -122,3 +128,20 @@ class TestOpenVSwitchDBModule(TestOpenVSwitchModule):
commands=['/usr/bin/ovs-vsctl -t 5 set Bridge test-br other_config'
':disable-in-band=False'],
test_name='test_openvswitch_db_present_updates_key')
def test_openvswitch_db_present_missing_key_on_map(self):
set_module_args(dict(state='present',
table='Bridge', record='test-br',
col='other_config',
value='False'))
self.execute_module(
failed=True,
test_name='test_openvswitch_db_present_idempotent')
def test_openvswitch_db_present_stp_enable(self):
set_module_args(dict(state='present',
table='Bridge', record='test-br',
col='stp_enable',
value='False'))
self.execute_module(changed=True,
test_name='test_openvswitch_db_present_stp_enable')