ansible-later/env_27/lib/python2.7/site-packages/ansible/modules/network/iosxr/iosxr_logging.py
2019-04-11 13:00:36 +02:00

727 lines
30 KiB
Python

#!/usr/bin/python
# -*- coding: utf-8 -*-
# (c) 2017, Ansible by Red Hat, 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': 'network'}
DOCUMENTATION = """
---
module: iosxr_logging
version_added: "2.4"
author:
- "Trishna Guha (@trishnaguha)"
- "Kedar Kekan (@kedarX)"
short_description: Configuration management of system logging services on network devices
description:
- This module provides declarative management configuration of system logging (syslog)
on Cisco IOS XR devices.
notes:
- Tested against IOS XRv 6.1.2
options:
dest:
description:
- Destination for system logging (syslog) messages.
choices: ['host', 'console', 'monitor', 'buffered', 'file']
name:
description:
- When C(dest) = I(file) name indicates file-name
- When C(dest) = I(host) name indicates the host-name or ip-address of syslog server.
vrf:
description:
- vrf name when syslog server is configured, C(dest) = C(host)
default: default
version_added: 2.5
size:
description:
- Size of buffer when C(dest) = C(buffered). The acceptable value is in the range I(307200 to 125000000 bytes). Default 307200
- Size of file when C(dest) = C(file). The acceptable value is in the range I(1 to 2097152)KB. Default 2 GB
facility:
description:
- To configure the type of syslog facility in which system logging (syslog) messages are sent to syslog servers
Optional config for C(dest) = C(host)
default: local7
hostnameprefix:
description:
- To append a hostname prefix to system logging (syslog) messages logged to syslog servers.
Optional config for C(dest) = C(host)
version_added: 2.5
level:
description:
- Specifies the severity level for the logging.
default: debugging
aliases: ['severity']
aggregate:
description: List of syslog logging configuration definitions.
state:
description:
- Existential state of the logging configuration on the node.
default: present
choices: ['present', 'absent']
extends_documentation_fragment: iosxr
"""
EXAMPLES = """
- name: configure logging for syslog server host
iosxr_logging:
dest: host
name: 10.10.10.1
level: critical
state: present
- name: add hostnameprefix configuration
iosxr_logging:
hostnameprefix: host1
state: absent
- name: add facility configuration
iosxr_logging:
facility: local1
state: present
- name: configure console logging level
iosxr_logging:
dest: console
level: debugging
state: present
- name: configure monitor logging level
iosxr_logging:
dest: monitor
level: errors
state: present
- name: configure syslog to a file
iosxr_logging:
dest: file
name: file_name
size: 2048
level: errors
state: present
- name: configure buffered logging with size
iosxr_logging:
dest: buffered
size: 5100000
- name: Configure logging using aggregate
iosxr_logging:
aggregate:
- { dest: console, level: warning }
- { dest: buffered, size: 4800000 }
- { dest: file, name: file3, size: 2048}
- { dest: host, name: host3, level: critical}
- name: Delete logging using aggregate
iosxr_logging:
aggregate:
- { dest: console, level: warning }
- { dest: buffered, size: 4800000 }
- { dest: file, name: file3, size: 2048}
- { dest: host, name: host3, level: critical}
state: absent
"""
RETURN = """
commands:
description: The list of configuration mode commands to send to the device
returned: always (empty list when no commands to send)
type: list
sample:
- logging 10.10.10.1 vrf default severity debugging
- logging facility local7
- logging hostnameprefix host1
- logging console critical
- logging buffered 2097153
- logging buffered warnings
- logging monitor errors
- logging file log_file maxfilesize 1024 severity info
xml:
description: NetConf rpc xml sent to device with transport C(netconf)
returned: always (empty list when no xml rpc to send)
type: list
version_added: 2.5
sample:
- '<config xmlns:xc="urn:ietf:params:xml:ns:netconf:base:1.0">
<syslog xmlns="http://cisco.com/ns/yang/Cisco-IOS-XR-infra-syslog-cfg">
<files>
<file xc:operation="delete">
<file-name>file1</file-name>
<file-log-attributes>
<max-file-size>2097152</max-file-size>
<severity>2</severity>
</file-log-attributes>
</file>
</files>
</syslog>
</config>'
"""
import re
import collections
from copy import deepcopy
from ansible.module_utils.basic import AnsibleModule
from ansible.module_utils.network.iosxr.iosxr import get_config, load_config, build_xml
from ansible.module_utils.network.iosxr.iosxr import iosxr_argument_spec, etree_findall
from ansible.module_utils.network.iosxr.iosxr import is_netconf, is_cliconf, etree_find
from ansible.module_utils.network.common.utils import remove_default_spec
severity_level = {'emergency': '0',
'alert': '1',
'critical': '2',
'error': '3',
'warning': '4',
'notice': '5',
'info': '6',
'debug': '7',
'disable': '15'}
severity_transpose = {'emergencies': 'emergency',
'alerts': 'alert',
'critical': 'critical',
'errors': 'error',
'warning': 'warning',
'notifications': 'notice',
'informational': 'info',
'debugging': 'debug'}
class ConfigBase(object):
def __init__(self, module):
self._flag = None
self._module = module
self._result = {'changed': False, 'warnings': []}
self._want = list()
self._have = list()
def validate_size(self, value, type=None):
if value:
if type == 'buffer':
if value and not int(307200) <= value <= int(125000000):
self._module.fail_json(msg='buffer size must be between 307200 and 125000000')
elif type == 'file':
if value and not int(1) <= value <= int(2097152):
self._module.fail_json(msg='file size must be between 1 and 2097152')
return value
def map_params_to_obj(self, required_if=None):
aggregate = self._module.params.get('aggregate')
if aggregate:
for item in aggregate:
for key in item:
if item.get(key) is None:
item[key] = self._module.params[key]
d = item.copy()
if d['dest'] not in ('host', 'file'):
d['name'] = None
if d['dest'] == 'buffered':
if d['size'] is not None:
d['size'] = str(self.validate_size(d['size'], 'buffer'))
else:
d['size'] = str(307200)
elif d['dest'] == 'file':
if d['size'] is not None:
d['size'] = str(self.validate_size(d['size'], 'file'))
else:
d['size'] = str(2097152)
else:
d['size'] = None
if self._flag == 'NC':
d['level'] = severity_transpose[d['level']]
self._want.append(d)
else:
params = self._module.params
if params['dest'] not in ('host', 'file'):
params['name'] = None
if params['dest'] == 'buffered':
if params['size'] is not None:
params['size'] = str(self.validate_size(params['size'], 'buffer'))
else:
params['size'] = str(307200)
elif params['dest'] == 'file':
if params['size'] is not None:
params['size'] = str(self.validate_size(params['size'], 'file'))
else:
params['size'] = str(2097152)
else:
params['size'] = None
if self._flag == 'NC':
params['level'] = severity_transpose[params['level']]
self._want.append({
'dest': params['dest'],
'name': params['name'],
'vrf': params['vrf'],
'size': params['size'],
'facility': params['facility'],
'level': params['level'],
'hostnameprefix': params['hostnameprefix'],
'state': params['state']
})
class CliConfiguration(ConfigBase):
def __init__(self, module):
super(CliConfiguration, self).__init__(module)
self._file_list = set()
self._host_list = set()
def map_obj_to_commands(self):
commands = list()
for want_item in self._want:
dest = want_item['dest']
name = want_item['name']
size = want_item['size']
facility = want_item['facility']
level = want_item['level']
vrf = want_item['vrf']
hostnameprefix = want_item['hostnameprefix']
state = want_item['state']
del want_item['state']
have_size = None
have_console_level = None
have_monitor_level = None
have_prefix = None
have_facility = None
for item in self._have:
if item['dest'] == 'buffered':
have_size = item['size']
if item['dest'] == 'console':
have_console_level = item['level']
if item['dest'] == 'monitor':
have_monitor_level = item['level']
if item['dest'] is None and item['hostnameprefix'] is not None:
have_prefix = item['hostnameprefix']
if item['dest'] is None and item['hostnameprefix'] is None and item['facility'] is not None:
have_facility = item['facility']
if state == 'absent':
if dest == 'host' and name in self._host_list:
commands.append('no logging {0} vrf {1}'.format(name, vrf))
elif dest == 'file' and name in self._file_list:
commands.append('no logging file {0}'.format(name))
elif dest == 'console' and have_console_level is not None:
commands.append('no logging {0}'.format(dest))
elif dest == 'monitor' and have_monitor_level:
commands.append('no logging {0}'.format(dest))
elif dest == 'buffered' and have_size:
commands.append('no logging {0}'.format(dest))
if dest is None and hostnameprefix is not None and have_prefix == hostnameprefix:
commands.append('no logging hostnameprefix {0}'.format(hostnameprefix))
if dest is None and facility is not None and have_facility == facility:
commands.append('no logging facility {0}'.format(facility))
if state == 'present':
if dest == 'host' and name not in self._host_list:
if level == 'errors' or level == 'informational':
level = severity_transpose[level]
commands.append('logging {0} vrf {1} severity {2}'.format(name, vrf, level))
elif dest == 'file' and name not in self._file_list:
if level == 'errors' or level == 'informational':
level = severity_transpose[level]
commands.append('logging file {0} maxfilesize {1} severity {2}'.format(name, size, level))
elif dest == 'buffered' and (have_size is None or (have_size is not None and size != have_size)):
commands.append('logging buffered {0}'.format(size))
elif dest == 'console' and (have_console_level is None or
(have_console_level is not None and have_console_level != level)):
commands.append('logging console {0}'.format(level))
elif dest == 'monitor' and (have_monitor_level is None or
(have_monitor_level is not None and have_monitor_level != level)):
commands.append('logging monitor {0}'.format(level))
if dest is None and hostnameprefix is not None and (have_prefix is None or
(have_prefix is not None and hostnameprefix != have_prefix)):
commands.append('logging hostnameprefix {0}'.format(hostnameprefix))
if dest is None and hostnameprefix is None and facility != have_facility:
commands.append('logging facility {0}'.format(facility))
self._result['commands'] = commands
if commands:
commit = not self._module.check_mode
diff = load_config(self._module, commands, commit=commit)
if diff:
self._result['diff'] = dict(prepared=diff)
self._result['changed'] = True
def parse_facility(self, line):
match = re.search(r'logging facility (\S+)', line, re.M)
facility = None
if match:
facility = match.group(1)
return facility
def parse_size(self, line, dest):
size = None
if dest == 'buffered':
match = re.search(r'logging buffered (\S+)', line, re.M)
if match:
try:
int_size = int(match.group(1))
except ValueError:
int_size = None
if int_size is not None:
if isinstance(int_size, int):
size = str(match.group(1))
return size
def parse_hostnameprefix(self, line):
prefix = None
match = re.search(r'logging hostnameprefix (\S+)', line, re.M)
if match:
prefix = match.group(1)
return prefix
def parse_name(self, line, dest):
name = None
if dest == 'file':
match = re.search(r'logging file (\S+)', line, re.M)
if match:
name = match.group(1)
elif dest == 'host':
match = re.search(r'logging (\S+)', line, re.M)
if match:
name = match.group(1)
return name
def parse_level(self, line, dest):
level_group = ('emergencies', 'alerts', 'critical', 'errors', 'warning',
'notifications', 'informational', 'debugging')
level = None
match = re.search(r'logging {0} (\S+)'.format(dest), line, re.M)
if match:
if match.group(1) in level_group:
level = match.group(1)
return level
def parse_dest(self, line, group):
dest_group = ('console', 'monitor', 'buffered', 'file')
dest = None
if group in dest_group:
dest = group
elif 'vrf' in line:
dest = 'host'
return dest
def parse_vrf(self, line, dest):
vrf = None
if dest == 'host':
match = re.search(r'logging (\S+) vrf (\S+)', line, re.M)
if match:
vrf = match.group(2)
return vrf
def map_config_to_obj(self):
data = get_config(self._module, config_filter='logging')
lines = data.split("\n")
for line in lines:
match = re.search(r'logging (\S+)', line, re.M)
if match:
dest = self.parse_dest(line, match.group(1))
name = self.parse_name(line, dest)
if dest == 'host' and name is not None:
self._host_list.add(name)
if dest == 'file' and name is not None:
self._file_list.add(name)
self._have.append({
'dest': dest,
'name': name,
'size': self.parse_size(line, dest),
'facility': self.parse_facility(line),
'level': self.parse_level(line, dest),
'vrf': self.parse_vrf(line, dest),
'hostnameprefix': self.parse_hostnameprefix(line),
})
def run(self):
self.map_params_to_obj()
self.map_config_to_obj()
self.map_obj_to_commands()
return self._result
class NCConfiguration(ConfigBase):
def __init__(self, module):
super(NCConfiguration, self).__init__(module)
self._flag = 'NC'
self._log_file_meta = collections.OrderedDict()
self._log_host_meta = collections.OrderedDict()
self._log_console_meta = collections.OrderedDict()
self._log_monitor_meta = collections.OrderedDict()
self._log_buffered_size_meta = collections.OrderedDict()
self._log_buffered_level_meta = collections.OrderedDict()
self._log_facility_meta = collections.OrderedDict()
self._log_prefix_meta = collections.OrderedDict()
def map_obj_to_xml_rpc(self):
self._log_file_meta.update([
('files', {'xpath': 'syslog/files', 'tag': True, 'operation': 'edit'}),
('file', {'xpath': 'syslog/files/file', 'tag': True, 'operation': 'edit', 'attrib': "operation"}),
('a:name', {'xpath': 'syslog/files/file/file-name', 'operation': 'edit'}),
('file-attrib', {'xpath': 'syslog/files/file/file-log-attributes', 'tag': True, 'operation': 'edit'}),
('a:size', {'xpath': 'syslog/files/file/file-log-attributes/max-file-size', 'operation': 'edit'}),
('a:level', {'xpath': 'syslog/files/file/file-log-attributes/severity', 'operation': 'edit'}),
])
self._log_host_meta.update([
('host-server', {'xpath': 'syslog/host-server', 'tag': True, 'operation': 'edit'}),
('vrfs', {'xpath': 'syslog/host-server/vrfs', 'tag': True, 'operation': 'edit'}),
('vrf', {'xpath': 'syslog/host-server/vrfs/vrf', 'tag': True, 'operation': 'edit'}),
('a:vrf', {'xpath': 'syslog/host-server/vrfs/vrf/vrf-name', 'operation': 'edit'}),
('ipv4s', {'xpath': 'syslog/host-server/vrfs/vrf/ipv4s', 'tag': True, 'operation': 'edit'}),
('ipv4', {'xpath': 'syslog/host-server/vrfs/vrf/ipv4s/ipv4', 'tag': True, 'operation': 'edit', 'attrib': "operation"}),
('a:name', {'xpath': 'syslog/host-server/vrfs/vrf/ipv4s/ipv4/address', 'operation': 'edit'}),
('ipv4-sev', {'xpath': 'syslog/host-server/vrfs/vrf/ipv4s/ipv4/ipv4-severity-port', 'tag': True, 'operation': 'edit'}),
('a:level', {'xpath': 'syslog/host-server/vrfs/vrf/ipv4s/ipv4/ipv4-severity-port/severity', 'operation': 'edit'}),
])
self._log_console_meta.update([
('a:enable-console', {'xpath': 'syslog/enable-console-logging', 'operation': 'edit', 'attrib': "operation"}),
('console', {'xpath': 'syslog/console-logging', 'tag': True, 'operation': 'edit', 'attrib': "operation"}),
('a:console-level', {'xpath': 'syslog/console-logging/logging-level', 'operation': 'edit'}),
])
self._log_monitor_meta.update([
('monitor', {'xpath': 'syslog/monitor-logging', 'tag': True, 'operation': 'edit', 'attrib': "operation"}),
('a:monitor-level', {'xpath': 'syslog/monitor-logging/logging-level', 'operation': 'edit'}),
])
self._log_buffered_size_meta.update([
('buffered', {'xpath': 'syslog/buffered-logging', 'tag': True, 'operation': 'edit', 'attrib': "operation"}),
('a:size', {'xpath': 'syslog/buffered-logging/buffer-size', 'operation': 'edit'}),
])
self._log_buffered_level_meta.update([
('buffered', {'xpath': 'syslog/buffered-logging', 'tag': True, 'operation': 'edit', 'attrib': "operation"}),
('a:level', {'xpath': 'syslog/buffered-logging/logging-level', 'operation': 'edit'}),
])
self._log_facility_meta.update([
('facility', {'xpath': 'syslog/logging-facilities', 'tag': True, 'operation': 'edit', 'attrib': "operation"}),
('a:facility', {'xpath': 'syslog/logging-facilities/facility-level', 'operation': 'edit'}),
])
self._log_prefix_meta.update([
('a:hostnameprefix', {'xpath': 'syslog/host-name-prefix', 'operation': 'edit', 'attrib': "operation"}),
])
state = self._module.params['state']
_get_filter = build_xml('syslog', opcode="filter")
running = get_config(self._module, source='running', config_filter=_get_filter)
file_ele = etree_findall(running, 'file')
file_list = list()
if len(file_ele):
for file in file_ele:
file_name = etree_find(file, 'file-name')
file_list.append(file_name.text if file_name is not None else None)
vrf_ele = etree_findall(running, 'vrf')
host_list = list()
for vrf in vrf_ele:
host_ele = etree_findall(vrf, 'ipv4')
for host in host_ele:
host_name = etree_find(host, 'address')
host_list.append(host_name.text if host_name is not None else None)
console_ele = etree_find(running, 'console-logging')
console_level = etree_find(console_ele, 'logging-level') if console_ele is not None else None
have_console = console_level.text if console_level is not None else None
monitor_ele = etree_find(running, 'monitor-logging')
monitor_level = etree_find(monitor_ele, 'logging-level') if monitor_ele is not None else None
have_monitor = monitor_level.text if monitor_level is not None else None
buffered_ele = etree_find(running, 'buffered-logging')
buffered_size = etree_find(buffered_ele, 'buffer-size') if buffered_ele is not None else None
have_buffered = buffered_size.text if buffered_size is not None else None
facility_ele = etree_find(running, 'logging-facilities')
facility_level = etree_find(facility_ele, 'facility-level') if facility_ele is not None else None
have_facility = facility_level.text if facility_level is not None else None
prefix_ele = etree_find(running, 'host-name-prefix')
have_prefix = prefix_ele.text if prefix_ele is not None else None
console_enable_ele = etree_find(running, 'enable-console-logging')
have_console_enable = console_enable_ele.text if console_enable_ele is not None else None
file_params = list()
host_params = list()
console_params = dict()
monitor_params = dict()
buffered_params = dict()
facility_params = dict()
prefix_params = dict()
opcode = None
if state == 'absent':
opcode = "delete"
for item in self._want:
if item['dest'] == 'file' and item['name'] in file_list:
item['level'] = severity_level[item['level']]
file_params.append(item)
elif item['dest'] == 'host' and item['name'] in host_list:
item['level'] = severity_level[item['level']]
host_params.append(item)
elif item['dest'] == 'console' and have_console:
console_params.update({'console-level': item['level']})
elif item['dest'] == 'monitor' and have_monitor:
monitor_params.update({'monitor-level': item['level']})
elif item['dest'] == 'buffered' and have_buffered:
buffered_params['size'] = str(item['size']) if item['size'] else None
buffered_params['level'] = item['level'] if item['level'] else None
elif item['dest'] is None and item['hostnameprefix'] is None and \
item['facility'] is not None and have_facility:
facility_params.update({'facility': item['facility']})
elif item['dest'] is None and item['hostnameprefix'] is not None and have_prefix:
prefix_params.update({'hostnameprefix': item['hostnameprefix']})
elif state == 'present':
opcode = 'merge'
for item in self._want:
if item['dest'] == 'file':
item['level'] = severity_level[item['level']]
file_params.append(item)
elif item['dest'] == 'host':
item['level'] = severity_level[item['level']]
host_params.append(item)
elif item['dest'] == 'console':
console_params.update({'console-level': item['level']})
elif item['dest'] == 'monitor':
monitor_params.update({'monitor-level': item['level']})
elif item['dest'] == 'buffered':
buffered_params['size'] = str(item['size']) if item['size'] else None
buffered_params['level'] = item['level'] if item['level'] else None
elif item['dest'] is None and item['hostnameprefix'] is None and \
item['facility'] is not None:
facility_params.update({'facility': item['facility']})
elif item['dest'] is None and item['hostnameprefix'] is not None:
prefix_params.update({'hostnameprefix': item['hostnameprefix']})
self._result['xml'] = []
_edit_filter_list = list()
if opcode:
if len(file_params):
_edit_filter_list.append(build_xml('syslog', xmap=self._log_file_meta,
params=file_params, opcode=opcode))
if len(host_params):
_edit_filter_list.append(build_xml('syslog', xmap=self._log_host_meta,
params=host_params, opcode=opcode))
if len(console_params):
_edit_filter_list.append(build_xml('syslog', xmap=self._log_console_meta,
params=console_params, opcode=opcode))
if len(monitor_params):
_edit_filter_list.append(build_xml('syslog', xmap=self._log_monitor_meta,
params=monitor_params, opcode=opcode))
if len(buffered_params):
_edit_filter_list.append(build_xml('syslog', xmap=self._log_buffered_size_meta,
params=buffered_params, opcode=opcode))
_edit_filter_list.append(build_xml('syslog', xmap=self._log_buffered_level_meta,
params=buffered_params, opcode=opcode))
if len(facility_params):
_edit_filter_list.append(build_xml('syslog', xmap=self._log_facility_meta,
params=facility_params, opcode=opcode))
if len(prefix_params):
_edit_filter_list.append(build_xml('syslog', xmap=self._log_prefix_meta,
params=prefix_params, opcode=opcode))
diff = None
if len(_edit_filter_list):
commit = not self._module.check_mode
diff = load_config(self._module, _edit_filter_list, commit=commit, running=running,
nc_get_filter=_get_filter)
if diff:
if self._module._diff:
self._result['diff'] = dict(prepared=diff)
self._result['xml'] = _edit_filter_list
self._result['changed'] = True
def run(self):
self.map_params_to_obj()
self.map_obj_to_xml_rpc()
return self._result
def main():
""" main entry point for module execution
"""
element_spec = dict(
dest=dict(type='str', choices=['host', 'console', 'monitor', 'buffered', 'file']),
name=dict(type='str'),
size=dict(type='int'),
vrf=dict(type='str', default='default'),
facility=dict(type='str', default='local7'),
hostnameprefix=dict(type='str'),
level=dict(type='str', default='informational', aliases=['severity'],
choices=['emergencies', 'alerts', 'critical', 'errors', 'warning',
'notifications', 'informational', 'debugging']),
state=dict(default='present', choices=['present', 'absent']),
)
aggregate_spec = deepcopy(element_spec)
# remove default in aggregate spec, to handle common arguments
remove_default_spec(aggregate_spec)
mutually_exclusive = [('dest', 'facility', 'hostnameprefix')]
required_if = [('dest', 'host', ['name']),
('dest', 'file', ['name']),
('dest', 'buffered', ['size']),
('dest', 'console', ['level']),
('dest', 'monitor', ['level'])]
argument_spec = dict(
aggregate=dict(type='list', elements='dict', options=aggregate_spec,
mutually_exclusive=mutually_exclusive, required_if=required_if),
)
argument_spec.update(element_spec)
argument_spec.update(iosxr_argument_spec)
module = AnsibleModule(argument_spec=argument_spec,
mutually_exclusive=mutually_exclusive,
required_if=required_if,
supports_check_mode=True)
config_object = None
if is_cliconf(module):
module.deprecate(msg="cli support for 'iosxr_logging' is deprecated. Use transport netconf instead",
version="2.9")
config_object = CliConfiguration(module)
elif is_netconf(module):
config_object = NCConfiguration(module)
if config_object:
result = config_object.run()
module.exit_json(**result)
if __name__ == '__main__':
main()