net_command platform agnostic module (#25249)
* net_command platform agnostic implementation Signed-off-by: Trishna Guha <trishnaguha17@gmail.com> * Add net_command platform agnostic module Signed-off-by: Trishna Guha <trishnaguha17@gmail.com> * Add integration test for net_command module Signed-off-by: Trishna Guha <trishnaguha17@gmail.com> * fix yaml issue
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14 changed files with 296 additions and 7 deletions
131
lib/ansible/modules/network/net_command.py
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131
lib/ansible/modules/network/net_command.py
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#!/usr/bin/python
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# -*- coding: utf-8 -*-
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# (c) 2017, Ansible by Red Hat, inc
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#
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# This file is part of Ansible by Red Hat
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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 = {'metadata_version': '1.0',
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'status': ['preview'],
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'supported_by': 'core'}
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DOCUMENTATION = """
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---
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module: net_command
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version_added: "2.4"
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author: "Trishna Guha (@trishnag)"
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short_description: Run arbitrary commands on a network device
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description:
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- Sends an arbitrary set of commands to network node and returns the results
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read from the device. This module includes an
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argument that will cause the module to wait for a specific condition
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before returning or timing out if the condition is not met.
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options:
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commands:
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description:
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- The commands to send to the remote network device over the
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configured provider. The resulting output from the command
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is returned. If the I(wait_for) argument is provided, the
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module is not returned until the condition is satisfied or
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the number of I(retries) has been exceeded.
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required: true
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wait_for:
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description:
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- Specifies what to evaluate from the output of the command
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and what conditionals to apply. This argument will cause
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the task to wait for a particular conditional to be true
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before moving forward. If the conditional is not true
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by the configured retries, the task fails. See examples.
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required: false
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default: null
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aliases: ['waitfor']
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version_added: "2.2"
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match:
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description:
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- The I(match) argument is used in conjunction with the
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I(wait_for) argument to specify the match policy. Valid
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values are C(all) or C(any). If the value is set to C(all)
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then all conditionals in the I(wait_for) must be satisfied. If
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the value is set to C(any) then only one of the values must be
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satisfied.
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required: false
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default: all
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choices: ['any', 'all']
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version_added: "2.2"
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retries:
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description:
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- Specifies the number of retries a command should be tried
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before it is considered failed. The command is run on the
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target device every retry and evaluated against the I(wait_for)
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conditionals.
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required: false
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default: 10
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interval:
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description:
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- Configures the interval in seconds to wait between retries
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of the command. If the command does not pass the specified
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conditional, the interval indicates how to long to wait before
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trying the command again.
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required: false
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default: 1
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"""
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EXAMPLES = """
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- name: run show version on remote devices
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net_command:
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commands: show version
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- name: run show version and check to see if output contains Network vendor name
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net_command:
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commands: show version
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wait_for: result[0] contains Network vendor name
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- name: run multiple commands on remote nodes
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net_command:
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commands:
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- show version
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- show interfaces
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- name: run multiple commands and evaluate the output
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net_command:
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commands:
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- show version
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- show interfaces
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wait_for:
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- result[0] contains Network vendor name
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- result[1] contains Loopback0
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- name: run commands and specify the output format
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net_command:
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commands:
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- command: show version
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output: json
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"""
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RETURN = """
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stdout:
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description: The set of responses from the commands
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returned: always apart from low level errors (such as action plugin)
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type: list
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sample: ['...', '...']
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stdout_lines:
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description: The value of stdout split into a list
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returned: always apart from low level errors (such as action plugin)
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type: list
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sample: [['...', '...'], ['...'], ['...']]
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failed_conditions:
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description: The list of conditionals that have failed
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returned: failed
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type: list
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sample: ['...', '...']
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"""
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26
lib/ansible/plugins/action/net_command.py
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26
lib/ansible/plugins/action/net_command.py
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# (c) 2017, Ansible Inc,
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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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from __future__ import (absolute_import, division, print_function)
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__metaclass__ = type
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from ansible.plugins.action.net_base import ActionModule as _ActionModule
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class ActionModule(_ActionModule):
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def run(self, tmp=None, task_vars=None):
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result = super(ActionModule, self).run(tmp, task_vars)
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return result
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@ -1,7 +0,0 @@
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- hosts:
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- vyos
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- junos
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- ios
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gather_facts: false
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roles:
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- { role: net_command, tags: net_command }
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@ -10,3 +10,4 @@
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roles:
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- { role: net_system, when: "limit_to in ['*', 'net_system']" }
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- { role: net_banner, when: "limit_to in ['*', 'net_banner']" }
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- { role: net_command, when: "limit_to in ['*', 'net_command']" }
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1
test/integration/targets/net_command/aliases
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1
test/integration/targets/net_command/aliases
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network/ci
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2
test/integration/targets/net_command/defaults/main.yaml
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2
test/integration/targets/net_command/defaults/main.yaml
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---
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testcase: "*"
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test/integration/targets/net_command/tasks/cli.yaml
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test/integration/targets/net_command/tasks/cli.yaml
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---
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- name: collect all cli test cases
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find:
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paths: "{{ role_path }}/tests/cli"
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patterns: "{{ testcase }}.yaml"
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register: test_cases
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delegate_to: localhost
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- name: set test_items
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set_fact: test_items="{{ test_cases.files | map(attribute='path') | list }}"
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- name: run test case
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include: "{{ test_case_to_run }}"
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with_items: "{{ test_items }}"
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loop_control:
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loop_var: test_case_to_run
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test/integration/targets/net_command/tasks/main.yaml
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2
test/integration/targets/net_command/tasks/main.yaml
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---
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- { include: cli.yaml, tags: ['cli'] }
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test/integration/targets/net_command/tests/cli/contains.yaml
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test/integration/targets/net_command/tests/cli/contains.yaml
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---
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- debug: msg="START cli/contains.yaml"
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- include: "{{ role_path }}/tests/ios/contains.yaml"
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when: hostvars[inventory_hostname]['ansible_network_os'] == 'ios'
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- include: "{{ role_path }}/tests/iosxr/contains.yaml"
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when: hostvars[inventory_hostname]['ansible_network_os'] == 'iosxr'
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- include: "{{ role_path }}/tests/nxos/contains.yaml"
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when: hostvars[inventory_hostname]['ansible_network_os'] == 'nxos'
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- include: "{{ role_path }}/tests/eos/contains.yaml"
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when: hostvars[inventory_hostname]['ansible_network_os'] == 'eos'
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- include: "{{ role_path }}/tests/vyos/contains.yaml"
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when: hostvars[inventory_hostname]['ansible_network_os'] == 'vyos'
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- debug: msg="END cli/contains.yaml"
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test/integration/targets/net_command/tests/eos/contains.yaml
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test/integration/targets/net_command/tests/eos/contains.yaml
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---
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- debug: msg="START eos/contains.yaml"
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- name: test contains operator
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net_command:
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commands:
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- show version
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- show interface Management1 | json
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wait_for:
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- "result[0] contains EOS"
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- "result[1].interfaces.Management1.name contains Manage"
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provider: "{{ cli }}"
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register: result
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- assert:
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that:
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- "result.changed == false"
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- "result.stdout is defined"
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- debug: msg="END eos/contains.yaml"
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test/integration/targets/net_command/tests/ios/contains.yaml
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test/integration/targets/net_command/tests/ios/contains.yaml
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---
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- debug: msg="START ios/contains.yaml"
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- name: test contains operator
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net_command:
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commands:
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- show version
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- show interface loopback 888
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wait_for:
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- "result[0] contains Cisco"
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- "result[1] contains Loopback888"
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register: result
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- assert:
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that:
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- "result.changed == false"
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- "result.stdout is defined"
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- debug: msg="END ios/contains.yaml"
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---
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- debug: msg="START iosxr/contains.yaml"
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- name: test contains operator
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net_command:
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commands:
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- show version
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- show interfaces Loopback 888
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wait_for:
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- "result[0] contains 'Cisco IOS XR Software'"
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- "result[1] contains 'Hardware is Loopback interface'"
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register: result
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- assert:
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that:
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- "result.changed == false"
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- "result.stdout is defined"
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- debug: msg="END iosxr/contains.yaml"
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---
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- debug: msg="START nxos/contains.yaml"
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- name: test contains operator
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net_command:
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commands:
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- show version
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- show interface mgmt0 | json
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wait_for:
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- "result[0] contains NX-OS"
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- "result[1].TABLE_interface.ROW_interface.interface contains mgmt"
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provider: "{{ cli }}"
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register: result
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- assert:
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that:
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- "result.changed == false"
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- debug: msg="END nxos/contains.yaml"
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---
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- debug: msg="START vyos/contains.yaml"
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- name: test contains operator
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net_command:
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commands:
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- show version
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- show interface
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wait_for:
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- result[0] contains VyOS
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- result[1] contains eth0
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provider: "{{ cli }}"
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register: result
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- assert:
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that:
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- result.changed == false
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- result.stdout is defined
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- result.stdout_lines is defined
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- debug: msg="END vyos/contains.yaml"
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