Contributing lib/ansible/modules/network/cloudengine/ce_rollback.py module to manage HUAWEI data center CloudEngine (#22061)
* add ce_rollback add ce_rollback * fix review issues
This commit is contained in:
QijunPan
John R Barker
parent
954906c143
commit
7353b357e9
1 changed files with 522 additions and 0 deletions
522
lib/ansible/modules/network/cloudengine/ce_rollback.py
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lib/ansible/modules/network/cloudengine/ce_rollback.py
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#!/usr/bin/python
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#
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# This file is part of Ansible
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#
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# Ansible is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# Ansible is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
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#
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ANSIBLE_METADATA = {'status': ['preview'],
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'supported_by': 'community',
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'metadata_version': '1.0'}
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DOCUMENTATION = '''
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---
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module: ce_rollback
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version_added: "2.4"
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short_description: Set a checkpoint or rollback to a checkpoint on HUAWEI CloudEngine switches.
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description:
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- This module offers the ability to set a configuration checkpoint
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file or rollback to a configuration checkpoint file on HUAWEI CloudEngine switches.
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author:
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- Li Yanfeng (@CloudEngine-Ansible)
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options:
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commit_id:
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description:
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- Specifies the label of the configuration rollback point to which system configurations are
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expected to roll back.
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The value is an integer that the system generates automatically.
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required: false
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label:
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description:
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- Specifies a user label for a configuration rollback point.
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The value is a string of 1 to 256 case-sensitive ASCII characters, spaces not supported.
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The value must start with a letter and cannot be presented in a single hyphen (-).
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required: false
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default: null
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filename:
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description:
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- Specifies a configuration file for configuration rollback.
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The value is a string of 5 to 64 case-sensitive characters in the format of *.zip, *.cfg, or *.dat,
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spaces not supported.
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required: false
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default: null
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last:
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description:
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- Specifies the number of configuration rollback points.
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The value is an integer that ranges from 1 to 80.
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required: false
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default: null
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oldest:
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description:
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- Specifies the number of configuration rollback points.
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The value is an integer that ranges from 1 to 80.
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required: false
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default: null
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action:
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description:
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- The operation of configuration rollback.
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required: true
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choices: ['rollback','clear','set','display','commit']
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'''
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EXAMPLES = '''
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- name: rollback module test
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hosts: cloudengine
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connection: local
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gather_facts: no
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vars:
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cli:
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host: "{{ inventory_hostname }}"
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port: "{{ ansible_ssh_port }}"
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username: "{{ username }}"
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password: "{{ password }}"
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transport: cli
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tasks:
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- name: Ensure commit_id is exist, and specifies the label of the configuration rollback point to
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which system configurations are expected to roll back.
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ce_rollback:
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commit_id: 1000000748
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action: rollback
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provider: "{{ cli }}"
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'''
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RETURN = '''
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proposed:
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description: k/v pairs of parameters passed into module
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returned: sometimes
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type: dict
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sample: {"commit_id": "1000000748", "action": "rollback"}
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existing:
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description: k/v pairs of existing rollback
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returned: sometimes
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type: dict
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sample: {"commitId": "1000000748", "userLabel": "abc"}
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updates:
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description: command sent to the device
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returned: always
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type: list
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sample: ["rollback configuration to file a.cfg",
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"set configuration commit 1000000783 label ddd",
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"clear configuration commit 1000000783 label",
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"display configuration commit list"]
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changed:
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description: check to see if a change was made on the device
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returned: always
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type: boolean
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sample: true
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end_state:
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description: k/v pairs of configuration after module execution
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returned: always
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type: dict
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sample: {"commitId": "1000000748", "userLabel": "abc"}
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'''
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import re
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from ansible.module_utils.basic import AnsibleModule
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from ansible.module_utils.ce import get_nc_config, execute_nc_action, ce_argument_spec, run_commands
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CE_NC_GET_CHECKPOINT = """
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<filter type="subtree">
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<cfg xmlns="http://www.huawei.com/netconf/vrp" content-version="1.0" format-version="1.0">
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<checkPointInfos>
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<checkPointInfo>
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<commitId></commitId>
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<userLabel></userLabel>
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<userName></userName>
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</checkPointInfo>
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</checkPointInfos>
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</cfg>
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</filter>
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"""
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CE_NC_ACTION_ROLLBACK_COMMIT_ID = """
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<action>
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<cfg xmlns="http://www.huawei.com/netconf/vrp" content-version="1.0" format-version="1.0">
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<rollbackByCommitId>
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<commitId>%s</commitId>
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</rollbackByCommitId>
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</cfg>
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</action>
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"""
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CE_NC_ACTION_ROLLBACK_LABEL = """
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<action>
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<cfg xmlns="http://www.huawei.com/netconf/vrp" content-version="1.0" format-version="1.0">
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<rollbackByUserLabel>
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<userLabel>%s</userLabel>
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</rollbackByUserLabel>
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</cfg>
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</action>
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"""
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CE_NC_ACTION_ROLLBACK_LAST = """
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<action>
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<cfg xmlns="http://www.huawei.com/netconf/vrp" content-version="1.0" format-version="1.0">
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<rollbackByLastNum>
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<checkPointNum>%s</checkPointNum>
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</rollbackByLastNum>
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</cfg>
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</action>
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"""
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CE_NC_ACTION_ROLLBACK_FILE = """
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<action>
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<cfg xmlns="http://www.huawei.com/netconf/vrp" content-version="1.0" format-version="1.0">
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<rollbackByFile>
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<fileName>%s</fileName>
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</rollbackByFile>
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</cfg>
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</action>
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"""
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CE_NC_ACTION_SET_COMMIT_ID_LABEL = """
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<action>
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<cfg xmlns="http://www.huawei.com/netconf/vrp" content-version="1.0" format-version="1.0">
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<setUserLabelByCommitId>
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<commitId>%s</commitId>
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<userLabel>%s</userLabel>
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</setUserLabelByCommitId>
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</cfg>
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</action>
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"""
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CE_NC_ACTION_CLEAR_COMMIT_ID_LABEL = """
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<action>
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<cfg xmlns="http://www.huawei.com/netconf/vrp" content-version="1.0" format-version="1.0">
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<resetUserLabelByCommitId>
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<commitId>%s</commitId>
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</resetUserLabelByCommitId>
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</cfg>
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</action>
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"""
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CE_NC_ACTION_CLEAR_OLDEST_COMMIT_ID = """
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<action>
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<cfg xmlns="http://www.huawei.com/netconf/vrp" content-version="1.0" format-version="1.0">
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<delCheckPointByOldestNum>
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<checkPointNum>%s</checkPointNum>
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</delCheckPointByOldestNum>
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</cfg>
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</action>
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"""
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class RollBack(object):
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"""
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Manages rolls back the system from the current configuration state to a historical configuration state.
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"""
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def __init__(self, argument_spec):
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self.spec = argument_spec
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self.module = None
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self.init_module()
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# module input info
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self.commit_id = self.module.params['commit_id']
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self.label = self.module.params['label']
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self.filename = self.module.params['filename']
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self.last = self.module.params['last']
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self.oldest = self.module.params['oldest']
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self.action = self.module.params['action']
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# state
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self.changed = False
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self.updates_cmd = list()
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self.results = dict()
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self.existing = dict()
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self.proposed = dict()
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self.end_state = dict()
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# configuration rollback points info
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self.rollback_info = None
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def init_module(self):
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""" init module """
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self.module = AnsibleModule(
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argument_spec=self.spec, supports_check_mode=True)
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def check_response(self, xml_str, xml_name):
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"""Check if response message is already succeed."""
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if "<ok/>" not in xml_str:
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self.module.fail_json(msg='Error: %s failed.' % xml_name)
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def get_rollback_dict(self):
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""" get rollback attributes dict."""
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rollback_info = dict()
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conf_str = CE_NC_GET_CHECKPOINT
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xml_str = get_nc_config(self.module, conf_str)
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rollback_info["RollBackInfos"] = list()
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if "<data/>" in xml_str:
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return rollback_info
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else:
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re_find = re.findall(r'.*<commitId>(.*)</commitId>.*\s*'
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r'<userName>(.*)</userName>.*\s*'
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r'<userLabel>(.*)</userLabel>.*', xml_str)
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for mem in re_find:
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rollback_info["RollBackInfos"].append(
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dict(commitId=mem[0], userLabel=mem[2]))
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return rollback_info
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def get_filename_type(self, filename):
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"""Gets the type of filename, such as cfg, zip, dat..."""
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if filename is None:
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return None
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if ' ' in filename:
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self.module.fail_json(
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msg='Error: Configuration file name include spaces.')
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iftype = None
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if filename.endswith('.cfg'):
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iftype = 'cfg'
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elif filename.endswith('.zip'):
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iftype = 'zip'
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elif filename.endswith('.dat'):
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iftype = 'dat'
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else:
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return None
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return iftype.lower()
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def rollback_commit_id(self):
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"""rollback comit_id"""
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cfg_xml = ""
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self.updates_cmd.append(
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"rollback configuration to commit-id %s" % self.commit_id)
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cfg_xml = CE_NC_ACTION_ROLLBACK_COMMIT_ID % self.commit_id
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recv_xml = execute_nc_action(self.module, cfg_xml)
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self.check_response(recv_xml, "ROLLBACK_COMMITID")
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self.changed = True
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def rollback_label(self):
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"""rollback label"""
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cfg_xml = ""
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self.updates_cmd.append(
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"rollback configuration to label %s" % self.label)
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cfg_xml = CE_NC_ACTION_ROLLBACK_LABEL % self.label
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recv_xml = execute_nc_action(self.module, cfg_xml)
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self.check_response(recv_xml, "ROLLBACK_LABEL")
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self.changed = True
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def rollback_filename(self):
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"""rollback filename"""
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cfg_xml = ""
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self.updates_cmd.append(
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"rollback configuration to file %s" % self.filename)
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cfg_xml = CE_NC_ACTION_ROLLBACK_FILE % self.filename
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recv_xml = execute_nc_action(self.module, cfg_xml)
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self.check_response(recv_xml, "ROLLBACK_FILENAME")
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self.changed = True
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def rollback_last(self):
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"""rollback last"""
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cfg_xml = ""
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self.updates_cmd.append(
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"rollback configuration to last %s" % self.last)
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cfg_xml = CE_NC_ACTION_ROLLBACK_LAST % self.last
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recv_xml = execute_nc_action(self.module, cfg_xml)
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self.check_response(recv_xml, "ROLLBACK_LAST")
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self.changed = True
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def set_commitid_label(self):
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"""set commitid label"""
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cfg_xml = ""
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self.updates_cmd.append(
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"set configuration commit %s label %s" % (self.commit_id, self.label))
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cfg_xml = CE_NC_ACTION_SET_COMMIT_ID_LABEL % (
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self.commit_id, self.label)
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recv_xml = execute_nc_action(self.module, cfg_xml)
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self.check_response(recv_xml, "SET_COMIMIT_LABEL")
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self.changed = True
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def clear_commitid_label(self):
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"""clear commitid label"""
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cfg_xml = ""
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self.updates_cmd.append(
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"clear configuration commit %s label" % self.commit_id)
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cfg_xml = CE_NC_ACTION_CLEAR_COMMIT_ID_LABEL % self.commit_id
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recv_xml = execute_nc_action(self.module, cfg_xml)
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self.check_response(recv_xml, "CLEAR_COMMIT_LABEL")
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self.changed = True
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def clear_oldest(self):
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"""clear oldest"""
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cfg_xml = ""
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self.updates_cmd.append(
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"clear configuration commit oldest %s" % self.oldest)
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cfg_xml = CE_NC_ACTION_CLEAR_OLDEST_COMMIT_ID % self.oldest
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recv_xml = execute_nc_action(self.module, cfg_xml)
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self.check_response(recv_xml, "CLEAR_COMMIT_OLDEST")
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self.changed = True
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def commit_label(self):
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"""commit label"""
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commands = list()
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cmd1 = {'output': None, 'command': 'system-view'}
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commands.append(cmd1)
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cmd2 = {'output': None, 'command': ''}
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cmd2['command'] = "commit label %s" % self.label
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commands.append(cmd2)
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self.updates_cmd.append(
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"commit label %s" % self.label)
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run_commands(self.module, commands)
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self.changed = True
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def check_params(self):
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"""Check all input params"""
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# commit_id check
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if self.commit_id:
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if not self.commit_id.isdigit():
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self.module.fail_json(
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msg='Error: The parameter of commit_id is invalid.')
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# label check
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if self.label:
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if self.label[0].isdigit():
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self.module.fail_json(
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msg='Error: Commit label which should not start with a number.')
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if len(self.label.replace(' ', '')) == 1:
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if cmp(self.label, '-') == 0:
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self.module.fail_json(
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msg='Error: Commit label which should not be "-"')
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if len(self.label.replace(' ', '')) < 1 or len(self.label) > 256:
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self.module.fail_json(
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msg='Error: Label of configuration checkpoints is a string of 1 to 256 characters.')
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# filename check
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if self.filename:
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if not self.get_filename_type(self.filename):
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self.module.fail_json(
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msg='Error: Invalid file name or file name extension ( *.cfg, *.zip, *.dat ).')
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# last check
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if self.last:
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if not self.last.isdigit():
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self.module.fail_json(
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msg='Error: Number of configuration checkpoints is not digit.')
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if int(self.last) <= 0 or int(self.last) > 80:
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self.module.fail_json(
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msg='Error: Number of configuration checkpoints is not in the range from 1 to 80.')
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# oldest check
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if self.oldest:
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if not self.oldest.isdigit():
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self.module.fail_json(
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msg='Error: Number of configuration checkpoints is not digit.')
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if int(self.oldest) <= 0 or int(self.oldest) > 80:
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self.module.fail_json(
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msg='Error: Number of configuration checkpoints is not in the range from 1 to 80.')
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def get_proposed(self):
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"""get proposed info"""
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if self.commit_id:
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self.proposed["commit_id"] = self.commit_id
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if self.label:
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self.proposed["label"] = self.label
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if self.filename:
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self.proposed["filename"] = self.filename
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if self.last:
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self.proposed["last"] = self.last
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if self.oldest:
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self.proposed["oldest"] = self.oldest
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def get_existing(self):
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"""get existing info"""
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if not self.rollback_info:
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return
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self.existing["RollBackInfos"] = self.rollback_info["RollBackInfos"]
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def get_end_state(self):
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"""get end state info"""
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self.end_state = None
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def work(self):
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"""worker"""
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self.check_params()
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self.get_proposed()
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# action mode
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if self.action == "rollback":
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if self.commit_id:
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self.rollback_commit_id()
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if self.label:
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self.rollback_label()
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if self.filename:
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self.rollback_filename()
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if self.last:
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self.rollback_last()
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elif self.action == "set":
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if self.commit_id and self.label:
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self.set_commitid_label()
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elif self.action == "clear":
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if self.commit_id:
|
||||
self.clear_commitid_label()
|
||||
if self.oldest:
|
||||
self.clear_oldest()
|
||||
elif self.action == "commit":
|
||||
if self.label:
|
||||
self.commit_label()
|
||||
elif self.action == "display":
|
||||
self.rollback_info = self.get_rollback_dict()
|
||||
|
||||
self.get_existing()
|
||||
self.get_end_state()
|
||||
self.results['changed'] = self.changed
|
||||
self.results['proposed'] = self.proposed
|
||||
self.results['existing'] = self.existing
|
||||
self.results['end_state'] = self.end_state
|
||||
if self.changed:
|
||||
self.results['updates'] = self.updates_cmd
|
||||
else:
|
||||
self.results['updates'] = list()
|
||||
|
||||
self.module.exit_json(**self.results)
|
||||
|
||||
|
||||
def main():
|
||||
"""Module main"""
|
||||
|
||||
argument_spec = dict(
|
||||
commit_id=dict(required=False),
|
||||
label=dict(required=False, type='str'),
|
||||
filename=dict(required=False, type='str'),
|
||||
last=dict(required=False, type='str'),
|
||||
oldest=dict(required=False, type='str'),
|
||||
action=dict(required=False, type='str', choices=[
|
||||
'rollback', 'clear', 'set', 'commit', 'display']),
|
||||
)
|
||||
argument_spec.update(ce_argument_spec)
|
||||
module = RollBack(argument_spec)
|
||||
module.work()
|
||||
|
||||
|
||||
if __name__ == '__main__':
|
||||
main()
|
||||
Loading…
Reference in a new issue