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#!/usr/bin/env python | ||
# | ||
# Copyright (c) 2014, Arista Networks, Inc. | ||
# All rights reserved. | ||
# | ||
# Redistribution and use in source and binary forms, with or without | ||
# modification, are permitted provided that the following conditions are | ||
# met: | ||
# - Redistributions of source code must retain the above copyright notice, | ||
# this list of conditions and the following disclaimer. | ||
# - Redistributions in binary form must reproduce the above copyright | ||
# notice, this list of conditions and the following disclaimer in the | ||
# documentation and/or other materials provided with the distribution. | ||
# - Neither the name of Arista Networks nor the names of its | ||
# contributors may be used to endorse or promote products derived from | ||
# this software without specific prior written permission. | ||
# | ||
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | ||
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | ||
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | ||
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL ARISTA NETWORKS | ||
# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | ||
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | ||
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR | ||
# BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, | ||
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE | ||
# OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN | ||
# IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||
|
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#pylint: disable=W0703,E1103 | ||
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import os | ||
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TEMP_CONFIG = '/tmp/tmp-run-script' | ||
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def main(attributes): | ||
''' Runs a script in EOS from bash. | ||
This action is dual-supervisor compatible. | ||
Attributes: | ||
url: path to source script/template | ||
variables (optional): | ||
list of value substitutions (for a script template) | ||
Special_attributes: | ||
NODE: API object - see documentation for details | ||
Example: | ||
:: | ||
- | ||
action: run_script | ||
attributes: | ||
url: files/templates/ma1.template | ||
variables: | ||
version: 1.2.3 | ||
name: "install temp package" | ||
''' | ||
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node = attributes.get('NODE') | ||
url = attributes.get('url') | ||
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if not url: | ||
raise Exception('Missing attribute(\'url\')') | ||
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substitution_mode = attributes.get('substitution_mode', 'loose') | ||
if substitution_mode not in ['loose', 'strict']: | ||
raise Exception('Invalid option specified for substitution_mode ' | ||
'attribute') | ||
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try: | ||
node.retrieve_url(url, TEMP_CONFIG) | ||
except Exception as exc: | ||
raise Exception('Unable to retrieve config from URL (%s)' % | ||
exc) | ||
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contents = open(TEMP_CONFIG, 'r').read() | ||
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variables = attributes.get('variables') | ||
if not variables: | ||
variables = {} | ||
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if not isinstance(variables, dict): | ||
node.log_msg('Variables: %s' % variables) | ||
raise Exception('Unable to perform variable substitution - ' | ||
'invalid variables') | ||
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contents = node.substitute(contents, variables) | ||
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(cmd, code, out, err) = node.bash_cmds(contents.split('\n')) | ||
if code: | ||
raise Exception('Running %s in bash failed with' | ||
'error code %s (stdout=%s, stderr=%s)' % | ||
(cmd, code, out, err)) | ||
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# Only remove this in case everything else succeeded | ||
# for debugging purposes | ||
os.remove(TEMP_CONFIG) |
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