mirror of
https://github.com/ansible-collections/community.general.git
synced 2025-07-28 23:51:23 -07:00
Refactor openvswitch_port module (#24205)
Use current patterns from other network modules for better maintainability.
This commit is contained in:
Ricardo Carrillo Cruz
GitHub
parent
53f0cd197e
commit
7195c31753
5 changed files with 342 additions and 151 deletions
|
|
@ -49,7 +49,8 @@ options:
|
|||
version_added: 2.2
|
||||
required: false
|
||||
description:
|
||||
- VLAN tag for this port
|
||||
- VLAN tag for this port. Must be a value between
|
||||
0 and 4095.
|
||||
state:
|
||||
required: false
|
||||
default: "present"
|
||||
|
|
@ -111,185 +112,168 @@ EXAMPLES = '''
|
|||
iface-status: active
|
||||
'''
|
||||
|
||||
# pylint: disable=W0703
|
||||
from ansible.module_utils.basic import AnsibleModule
|
||||
from ansible.module_utils.six import iteritems
|
||||
from ansible.module_utils.pycompat24 import get_exception
|
||||
|
||||
def _external_ids_to_dict(text):
|
||||
text = text.strip()
|
||||
|
||||
def truncate_before(value, srch):
|
||||
""" Return content of str before the srch parameters. """
|
||||
|
||||
before_index = value.find(srch)
|
||||
if (before_index >= 0):
|
||||
return value[:before_index]
|
||||
if text == '{}':
|
||||
return None
|
||||
else:
|
||||
return value
|
||||
d = {}
|
||||
|
||||
for kv in text[1:-1].split(','):
|
||||
kv = kv.strip()
|
||||
k, v = kv.split('=')
|
||||
d[k] = v
|
||||
|
||||
def _set_to_get(set_cmd, module):
|
||||
""" Convert set command to get command and set value.
|
||||
return tuple (get command, set value)
|
||||
"""
|
||||
return d
|
||||
|
||||
##
|
||||
# If set has option: then we want to truncate just before that.
|
||||
set_cmd = truncate_before(set_cmd, " option:")
|
||||
get_cmd = set_cmd.split(" ")
|
||||
(key, value) = get_cmd[-1].split("=")
|
||||
module.log("get commands %s " % key)
|
||||
return (["--", "get"] + get_cmd[:-1] + [key], value)
|
||||
def _tag_to_str(text):
|
||||
text = text.strip()
|
||||
|
||||
if text == '[]':
|
||||
return None
|
||||
else:
|
||||
return text
|
||||
|
||||
# pylint: disable=R0902
|
||||
class OVSPort(object):
|
||||
""" Interface to OVS port. """
|
||||
def __init__(self, module):
|
||||
self.module = module
|
||||
self.bridge = module.params['bridge']
|
||||
self.port = module.params['port']
|
||||
self.tag = module.params['tag']
|
||||
self.state = module.params['state']
|
||||
self.timeout = module.params['timeout']
|
||||
self.set_opt = module.params.get('set', None)
|
||||
def map_obj_to_commands(want, have, module):
|
||||
commands = list()
|
||||
|
||||
def _vsctl(self, command, check_rc=True):
|
||||
'''Run ovs-vsctl command'''
|
||||
if module.params['state'] == 'absent':
|
||||
if have:
|
||||
templatized_command = ("%(ovs-vsctl)s -t %(timeout)s del-port"
|
||||
" %(bridge)s %(port)s")
|
||||
command = templatized_command % module.params
|
||||
commands.append(command)
|
||||
else:
|
||||
if have:
|
||||
if want['tag'] != have['tag']:
|
||||
templatized_command = ("%(ovs-vsctl)s -t %(timeout)s"
|
||||
" set port %(port)s tag=%(tag)s")
|
||||
command = templatized_command % module.params
|
||||
commands.append(command)
|
||||
|
||||
cmd = ['ovs-vsctl', '-t', str(self.timeout)] + command
|
||||
return self.module.run_command(cmd, check_rc=check_rc)
|
||||
|
||||
def exists(self):
|
||||
'''Check if the port already exists'''
|
||||
|
||||
(rtc, out, err) = self._vsctl(['list-ports', self.bridge])
|
||||
|
||||
if rtc != 0:
|
||||
self.module.fail_json(msg=err)
|
||||
|
||||
return any(port.rstrip() == self.port for port in out.split('\n')) or self.port == self.bridge
|
||||
|
||||
def set(self, set_opt):
|
||||
""" Set attributes on a port. """
|
||||
self.module.log("set called %s" % set_opt)
|
||||
if (not set_opt):
|
||||
return False
|
||||
|
||||
(get_cmd, set_value) = _set_to_get(set_opt, self.module)
|
||||
(rtc, out, err) = self._vsctl(get_cmd, False)
|
||||
if rtc != 0:
|
||||
##
|
||||
# ovs-vsctl -t 5 -- get Interface port external_ids:key
|
||||
# returns failure if key does not exist.
|
||||
out = None
|
||||
if want['external_ids'] != have['external_ids']:
|
||||
for k, v in iteritems(want['external_ids']):
|
||||
if (not have['external_ids']
|
||||
or k not in have['external_ids']
|
||||
or want['external_ids'][k] != have['external_ids'][k]):
|
||||
if v is None:
|
||||
templatized_command = ("%(ovs-vsctl)s -t %(timeout)s"
|
||||
" remove port %(port)s"
|
||||
" external_ids " + k)
|
||||
command = templatized_command % module.params
|
||||
commands.append(command)
|
||||
else:
|
||||
templatized_command = ("%(ovs-vsctl)s -t %(timeout)s"
|
||||
" set port %(port)s"
|
||||
" external_ids:")
|
||||
command = templatized_command % module.params
|
||||
command += k + "=" + v
|
||||
commands.append(command)
|
||||
else:
|
||||
out = out.strip("\n")
|
||||
out = out.strip('"')
|
||||
templatized_command = ("%(ovs-vsctl)s -t %(timeout)s add-port"
|
||||
" %(bridge)s %(port)s")
|
||||
command = templatized_command % module.params
|
||||
|
||||
if (out == set_value):
|
||||
return False
|
||||
if want['tag']:
|
||||
templatized_command = " tag=%(tag)s"
|
||||
command += templatized_command % module.params
|
||||
|
||||
(rtc, out, err) = self._vsctl(["--", "set"] + set_opt.split(" "))
|
||||
if rtc != 0:
|
||||
self.module.fail_json(msg=err)
|
||||
if want['set']:
|
||||
templatized_command = " -- set %(set)s"
|
||||
command += templatized_command % module.params
|
||||
|
||||
return True
|
||||
commands.append(command)
|
||||
|
||||
def add(self):
|
||||
'''Add the port'''
|
||||
cmd = ['add-port', self.bridge, self.port]
|
||||
if self.tag:
|
||||
cmd += ["tag=" + self.tag]
|
||||
if self.set and self.set_opt:
|
||||
cmd += ["--", "set"]
|
||||
cmd += self.set_opt.split(" ")
|
||||
if want['external_ids']:
|
||||
for k, v in iteritems(want['external_ids']):
|
||||
templatized_command = ("%(ovs-vsctl)s -t %(timeout)s"
|
||||
" set port %(port)s external_ids:")
|
||||
command = templatized_command % module.params
|
||||
command += k + "=" + v
|
||||
commands.append(command)
|
||||
|
||||
(rtc, _, err) = self._vsctl(cmd)
|
||||
if rtc != 0:
|
||||
self.module.fail_json(msg=err)
|
||||
return commands
|
||||
|
||||
return True
|
||||
|
||||
def delete(self):
|
||||
'''Remove the port'''
|
||||
(rtc, _, err) = self._vsctl(['del-port', self.bridge, self.port])
|
||||
if rtc != 0:
|
||||
self.module.fail_json(msg=err)
|
||||
def map_config_to_obj(module):
|
||||
templatized_command = "%(ovs-vsctl)s -t %(timeout)s list-ports %(bridge)s"
|
||||
command = templatized_command % module.params
|
||||
rc, out, err = module.run_command(command, check_rc=True)
|
||||
if rc != 0:
|
||||
module.fail_json(msg=err)
|
||||
|
||||
def check(self):
|
||||
'''Run check mode'''
|
||||
try:
|
||||
if self.state == 'absent' and self.exists():
|
||||
changed = True
|
||||
elif self.state == 'present' and not self.exists():
|
||||
changed = True
|
||||
else:
|
||||
changed = False
|
||||
except Exception:
|
||||
earg = get_exception()
|
||||
self.module.fail_json(msg=str(earg))
|
||||
self.module.exit_json(changed=changed)
|
||||
obj = {}
|
||||
|
||||
def run(self):
|
||||
'''Make the necessary changes'''
|
||||
changed = False
|
||||
try:
|
||||
if self.state == 'absent':
|
||||
if self.exists():
|
||||
self.delete()
|
||||
changed = True
|
||||
elif self.state == 'present':
|
||||
##
|
||||
# Add any missing ports.
|
||||
if (not self.exists()):
|
||||
self.add()
|
||||
changed = True
|
||||
if module.params['port'] in out.splitlines():
|
||||
obj['bridge'] = module.params['bridge']
|
||||
obj['port'] = module.params['port']
|
||||
|
||||
##
|
||||
# If the -- set changed check here and make changes
|
||||
# but this only makes sense when state=present.
|
||||
if (not changed):
|
||||
changed = self.set(self.set_opt) or changed
|
||||
items = self.module.params['external_ids'].items()
|
||||
for (key, value) in items:
|
||||
value = value.replace('"', '')
|
||||
fmt_opt = "Interface %s external_ids:%s=%s"
|
||||
external_id = fmt_opt % (self.port, key, value)
|
||||
changed = self.set(external_id) or changed
|
||||
##
|
||||
except Exception:
|
||||
earg = get_exception()
|
||||
self.module.fail_json(msg=str(earg))
|
||||
self.module.exit_json(changed=changed)
|
||||
templatized_command = ("%(ovs-vsctl)s -t %(timeout)s get"
|
||||
" Port %(port)s tag")
|
||||
command = templatized_command % module.params
|
||||
rc, out, err = module.run_command(command, check_rc=True)
|
||||
obj['tag'] = _tag_to_str(out)
|
||||
|
||||
templatized_command = ("%(ovs-vsctl)s -t %(timeout)s get"
|
||||
" Port %(port)s external_ids")
|
||||
command = templatized_command % module.params
|
||||
rc, out, err = module.run_command(command, check_rc=True)
|
||||
obj['external_ids'] = _external_ids_to_dict(out)
|
||||
|
||||
return obj
|
||||
|
||||
|
||||
def map_params_to_obj(module):
|
||||
obj = {
|
||||
'bridge': module.params['bridge'],
|
||||
'port': module.params['port'],
|
||||
'tag': module.params['tag'],
|
||||
'external_ids': module.params['external_ids'],
|
||||
'set': module.params['set']
|
||||
}
|
||||
|
||||
return obj
|
||||
|
||||
# pylint: disable=E0602
|
||||
def main():
|
||||
""" Entry point. """
|
||||
module = AnsibleModule(
|
||||
argument_spec={
|
||||
'bridge': {'required': True},
|
||||
'port': {'required': True},
|
||||
'tag': {'required': False},
|
||||
'state': {'default': 'present', 'choices': ['present', 'absent']},
|
||||
'timeout': {'default': 5, 'type': 'int'},
|
||||
'set': {'required': False, 'default': None},
|
||||
'external_ids': {'default': {}, 'required': False, 'type': 'dict'},
|
||||
},
|
||||
supports_check_mode=True,
|
||||
)
|
||||
""" Entry point. """
|
||||
argument_spec={
|
||||
'bridge': {'required': True},
|
||||
'port': {'required': True},
|
||||
'state': {'default': 'present', 'choices': ['present', 'absent']},
|
||||
'timeout': {'default': 5, 'type': 'int'},
|
||||
'external_ids': {'default': None, 'type': 'dict'},
|
||||
'tag': {'default': None},
|
||||
'set': {'required': False, 'default': None}
|
||||
}
|
||||
|
||||
port = OVSPort(module)
|
||||
if module.check_mode:
|
||||
port.check()
|
||||
else:
|
||||
port.run()
|
||||
module = AnsibleModule(argument_spec=argument_spec,
|
||||
supports_check_mode=True)
|
||||
|
||||
result = {'changed': False}
|
||||
|
||||
# pylint: disable=W0614
|
||||
# pylint: disable=W0401
|
||||
# pylint: disable=W0622
|
||||
# We add ovs-vsctl to module_params to later build up templatized commands
|
||||
module.params["ovs-vsctl"] = module.get_bin_path("ovs-vsctl", True)
|
||||
|
||||
want = map_params_to_obj(module)
|
||||
have = map_config_to_obj(module)
|
||||
|
||||
commands = map_obj_to_commands(want, have, module)
|
||||
result['commands'] = commands
|
||||
|
||||
if commands:
|
||||
if not module.check_mode:
|
||||
for c in commands:
|
||||
module.run_command(c, check_rc=True)
|
||||
result['changed'] = True
|
||||
|
||||
module.exit_json(**result)
|
||||
|
||||
# import module snippets
|
||||
from ansible.module_utils.basic import *
|
||||
from ansible.module_utils.pycompat24 import get_exception
|
||||
|
||||
if __name__ == '__main__':
|
||||
main()
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue