Move missing library abort to use rather than import for netconf (#55384)

This commit is contained in:
Nathaniel Case 2019-04-23 09:19:47 -04:00 committed by GitHub
parent 780ee45819
commit b442706b54
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GPG key ID: 4AEE18F83AFDEB23
5 changed files with 64 additions and 52 deletions

View file

@ -24,13 +24,17 @@ from functools import wraps
from ansible.errors import AnsibleError
from ansible.plugins import AnsiblePlugin
from ansible.module_utils._text import to_native
from ansible.module_utils.basic import missing_required_lib
try:
from ncclient.operations import RPCError
from ncclient.xml_ import to_xml, to_ele
except ImportError:
raise AnsibleError("ncclient is not installed")
HAS_NCCLIENT = True
NCCLIENT_IMP_ERR = None
except (ImportError, AttributeError) as err: # paramiko and gssapi are incompatible and raise AttributeError not ImportError
HAS_NCCLIENT = False
NCCLIENT_IMP_ERR = err
try:
from lxml.etree import Element, SubElement, tostring, fromstring
@ -47,6 +51,15 @@ def ensure_connected(func):
return wrapped
def ensure_ncclient(func):
@wraps(func)
def wrapped(self, *args, **kwargs):
if not HAS_NCCLIENT:
raise AnsibleError("%s: %s" % (missing_required_lib('ncclient'), to_native(NCCLIENT_IMP_ERR)))
return func(self, *args, **kwargs)
return wrapped
class NetconfBase(AnsiblePlugin):
"""
A base class for implementing Netconf connections
@ -107,6 +120,7 @@ class NetconfBase(AnsiblePlugin):
def m(self):
return self._connection._manager
@ensure_ncclient
@ensure_connected
def rpc(self, name):
"""

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@ -22,29 +22,31 @@ __metaclass__ = type
import json
import re
from ansible import constants as C
from ansible.module_utils._text import to_text, to_bytes, to_native
from ansible.errors import AnsibleConnectionFailure, AnsibleError
from ansible.errors import AnsibleConnectionFailure
from ansible.plugins.netconf import NetconfBase
from ansible.plugins.netconf import ensure_connected
from ansible.plugins.netconf import ensure_connected, ensure_ncclient
try:
from ncclient import manager
from ncclient.operations import RPCError
from ncclient.transport.errors import SSHUnknownHostError
from ncclient.xml_ import to_ele, to_xml, new_ele
except ImportError:
raise AnsibleError("ncclient is not installed")
HAS_NCCLIENT = True
except (ImportError, AttributeError): # paramiko and gssapi are incompatible and raise AttributeError not ImportError
HAS_NCCLIENT = False
class Netconf(NetconfBase):
@ensure_ncclient
def get_text(self, ele, tag):
try:
return to_text(ele.find(tag).text, errors='surrogate_then_replace').strip()
except AttributeError:
pass
@ensure_ncclient
def get_device_info(self):
device_info = dict()
device_info['network_os'] = 'ce'
@ -65,6 +67,7 @@ class Netconf(NetconfBase):
:name: Name of rpc in string format"""
return self.rpc(name)
@ensure_ncclient
@ensure_connected
def load_configuration(self, *args, **kwargs):
"""Loads given configuration on device
@ -95,8 +98,8 @@ class Netconf(NetconfBase):
return json.dumps(result)
@staticmethod
@ensure_ncclient
def guess_network_os(obj):
try:
m = manager.connect(
host=obj._play_context.remote_addr,
@ -135,6 +138,7 @@ class Netconf(NetconfBase):
:rollback: rollback id"""
return self.m.compare_configuration(*args, **kwargs).data_xml
@ensure_ncclient
@ensure_connected
def execute_action(self, xml_str):
"""huawei execute-action"""
@ -156,11 +160,7 @@ class Netconf(NetconfBase):
"""reboot the device"""
return self.m.reboot().data_xml
@ensure_connected
def halt(self):
"""reboot the device"""
return self.m.halt().data_xml
@ensure_ncclient
@ensure_connected
def get(self, *args, **kwargs):
try:
@ -168,6 +168,7 @@ class Netconf(NetconfBase):
except RPCError as exc:
raise Exception(to_xml(exc.xml))
@ensure_ncclient
@ensure_connected
def get_config(self, *args, **kwargs):
try:
@ -175,6 +176,7 @@ class Netconf(NetconfBase):
except RPCError as exc:
raise Exception(to_xml(exc.xml))
@ensure_ncclient
@ensure_connected
def edit_config(self, *args, **kwargs):
try:
@ -182,6 +184,7 @@ class Netconf(NetconfBase):
except RPCError as exc:
raise Exception(to_xml(exc.xml))
@ensure_ncclient
@ensure_connected
def execute_nc_cli(self, *args, **kwargs):
try:
@ -189,6 +192,7 @@ class Netconf(NetconfBase):
except RPCError as exc:
raise Exception(to_xml(exc.xml))
@ensure_ncclient
@ensure_connected
def commit(self, *args, **kwargs):
try:
@ -203,9 +207,3 @@ class Netconf(NetconfBase):
@ensure_connected
def discard_changes(self, *args, **kwargs):
return self.m.discard_changes(*args, **kwargs).data_xml
@ensure_connected
def execute_rpc(self, name):
"""RPC to be execute on remote device
:name: Name of rpc in string format"""
return self.rpc(name)

View file

@ -24,30 +24,24 @@ import json
import re
import collections
from ansible import constants as C
from ansible.module_utils._text import to_native
from ansible.module_utils.network.common.netconf import remove_namespaces
from ansible.module_utils.network.iosxr.iosxr import build_xml, etree_find
from ansible.errors import AnsibleConnectionFailure, AnsibleError
from ansible.errors import AnsibleConnectionFailure
from ansible.plugins.netconf import NetconfBase
from ansible.plugins.netconf import ensure_connected
from ansible.plugins.netconf import ensure_connected, ensure_ncclient
try:
from ncclient import manager
from ncclient.operations import RPCError
from ncclient.transport.errors import SSHUnknownHostError
from ncclient.xml_ import to_ele, to_xml, new_ele
except ImportError:
raise AnsibleError("ncclient is not installed")
try:
from lxml import etree
except ImportError:
raise AnsibleError("lxml is not installed")
from ncclient.xml_ import to_xml
HAS_NCCLIENT = True
except (ImportError, AttributeError): # paramiko and gssapi are incompatible and raise AttributeError not ImportError
HAS_NCCLIENT = False
class Netconf(NetconfBase):
@ensure_connected
def get_device_info(self):
device_info = {}
@ -93,6 +87,7 @@ class Netconf(NetconfBase):
return json.dumps(result)
@staticmethod
@ensure_ncclient
def guess_network_os(obj):
"""
Guess the remote network os name
@ -124,6 +119,7 @@ class Netconf(NetconfBase):
return guessed_os
# TODO: change .xml to .data_xml, when ncclient supports data_xml on all platforms
@ensure_ncclient
@ensure_connected
def get(self, filter=None, remove_ns=False):
if isinstance(filter, list):
@ -138,6 +134,7 @@ class Netconf(NetconfBase):
except RPCError as exc:
raise Exception(to_xml(exc.xml))
@ensure_ncclient
@ensure_connected
def get_config(self, source=None, filter=None, remove_ns=False):
if isinstance(filter, list):
@ -152,6 +149,7 @@ class Netconf(NetconfBase):
except RPCError as exc:
raise Exception(to_xml(exc.xml))
@ensure_ncclient
@ensure_connected
def edit_config(self, config=None, format='xml', target='candidate', default_operation=None, test_option=None, error_option=None, remove_ns=False):
if config is None:
@ -167,6 +165,7 @@ class Netconf(NetconfBase):
except RPCError as exc:
raise Exception(to_xml(exc.xml))
@ensure_ncclient
@ensure_connected
def commit(self, confirmed=False, timeout=None, persist=None, remove_ns=False):
try:
@ -179,6 +178,7 @@ class Netconf(NetconfBase):
except RPCError as exc:
raise Exception(to_xml(exc.xml))
@ensure_ncclient
@ensure_connected
def validate(self, source="candidate", remove_ns=False):
try:
@ -191,6 +191,7 @@ class Netconf(NetconfBase):
except RPCError as exc:
raise Exception(to_xml(exc.xml))
@ensure_ncclient
@ensure_connected
def discard_changes(self, remove_ns=False):
try:

View file

@ -22,29 +22,29 @@ __metaclass__ = type
import json
import re
from ansible import constants as C
from ansible.module_utils._text import to_text, to_bytes, to_native
from ansible.errors import AnsibleConnectionFailure, AnsibleError
from ansible.module_utils._text import to_text, to_native
from ansible.errors import AnsibleConnectionFailure
from ansible.plugins.netconf import NetconfBase
from ansible.plugins.netconf import ensure_connected
from ansible.plugins.netconf import ensure_connected, ensure_ncclient
try:
from ncclient import manager
from ncclient.operations import RPCError
from ncclient.transport.errors import SSHUnknownHostError
from ncclient.xml_ import to_ele, to_xml, new_ele, sub_ele
except ImportError:
raise AnsibleError("ncclient is not installed")
HAS_NCCLIENT = True
except (ImportError, AttributeError): # paramiko and gssapi are incompatible and raise AttributeError not ImportError
HAS_NCCLIENT = False
class Netconf(NetconfBase):
def get_text(self, ele, tag):
try:
return to_text(ele.find(tag).text, errors='surrogate_then_replace').strip()
except AttributeError:
pass
@ensure_ncclient
def get_device_info(self):
device_info = dict()
device_info['network_os'] = 'junos'
@ -68,6 +68,7 @@ class Netconf(NetconfBase):
"""
return self.rpc(name)
@ensure_ncclient
@ensure_connected
def load_configuration(self, format='xml', action='merge', target='candidate', config=None):
"""
@ -101,6 +102,7 @@ class Netconf(NetconfBase):
return json.dumps(result)
@staticmethod
@ensure_ncclient
def guess_network_os(obj):
"""
Guess the remote network os name
@ -165,6 +167,7 @@ class Netconf(NetconfBase):
# below commit() is a workaround which build's raw `commit-configuration` xml with required tags and uses
# ncclient generic rpc() method to execute rpc on remote host.
# Remove below method after the issue in ncclient is fixed.
@ensure_ncclient
@ensure_connected
def commit(self, confirmed=False, check=False, timeout=None, comment=None, synchronize=False, at_time=None):
"""

View file

@ -22,24 +22,18 @@ __metaclass__ = type
import json
import re
from ansible import constants as C
from ansible.module_utils._text import to_text, to_bytes, to_native
from ansible.errors import AnsibleConnectionFailure, AnsibleError
from ansible.module_utils._text import to_text, to_native
from ansible.errors import AnsibleConnectionFailure
from ansible.plugins.netconf import NetconfBase
from ansible.plugins.netconf import ensure_connected
from ansible.plugins.netconf import ensure_ncclient
try:
from ncclient import manager
from ncclient.operations import RPCError
from ncclient.transport.errors import SSHUnknownHostError
from ncclient.xml_ import to_ele, to_xml, new_ele
except ImportError:
raise AnsibleError("ncclient is not installed")
try:
from lxml import etree
except ImportError:
raise AnsibleError("lxml is not installed")
from ncclient.xml_ import to_ele
HAS_NCCLIENT = True
except (ImportError, AttributeError): # paramiko and gssapi are incompatible and raise AttributeError not ImportError
HAS_NCCLIENT = False
class Netconf(NetconfBase):
@ -49,6 +43,7 @@ class Netconf(NetconfBase):
except AttributeError:
pass
@ensure_ncclient
def get_device_info(self):
device_info = dict()
device_info['network_os'] = 'sros'
@ -75,6 +70,7 @@ class Netconf(NetconfBase):
return json.dumps(result)
@staticmethod
@ensure_ncclient
def guess_network_os(obj):
try:
m = manager.connect(