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3a70affb9a
Current code has sys.exit(1) at the end of the codepath for the options --help, --list and --host. These are not error conditions so should be returning 0 for success, not 1 which is EPERM i.e. "Operation not permitted". Newer Vagrant versions examine the exit codes from subprocesses and interpret this as a failure.
132 lines
3.6 KiB
Python
Executable file
132 lines
3.6 KiB
Python
Executable file
#!/usr/bin/env python
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"""
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Vagrant external inventory script. Automatically finds the IP of the booted vagrant vm(s), and
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returns it under the host group 'vagrant'
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Example Vagrant configuration using this script:
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config.vm.provision :ansible do |ansible|
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ansible.playbook = "./provision/your_playbook.yml"
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ansible.inventory_file = "./provision/inventory/vagrant.py"
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ansible.verbose = true
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end
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"""
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# Copyright (C) 2013 Mark Mandel <mark@compoundtheory.com>
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#
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# This program 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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# This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
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#
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# Thanks to the spacewalk.py inventory script for giving me the basic structure
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# of this.
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#
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import sys
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import subprocess
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import re
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import string
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from optparse import OptionParser
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try:
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import json
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except:
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import simplejson as json
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# Options
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#------------------------------
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parser = OptionParser(usage="%prog [options] --list | --host <machine>")
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parser.add_option('--list', default=False, dest="list", action="store_true",
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help="Produce a JSON consumable grouping of Vagrant servers for Ansible")
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parser.add_option('--host', default=None, dest="host",
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help="Generate additional host specific details for given host for Ansible")
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(options, args) = parser.parse_args()
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#
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# helper functions
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#
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# get all the ssh configs for all boxes in an array of dictionaries.
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def get_ssh_config():
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configs = []
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boxes = list_running_boxes()
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for box in boxes:
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config = get_a_ssh_config(box)
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configs.append(config)
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return configs
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#list all the running boxes
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def list_running_boxes():
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output = subprocess.check_output(["vagrant", "status"]).split('\n')
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boxes = []
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for line in output:
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matcher = re.search("([^\s]+)[\s]+running \(.+", line)
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if matcher:
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boxes.append(matcher.group(1))
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return boxes
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#get the ssh config for a single box
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def get_a_ssh_config(box_name):
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"""Gives back a map of all the machine's ssh configurations"""
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output = subprocess.check_output(["vagrant", "ssh-config", box_name]).split('\n')
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config = {}
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for line in output:
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if line.strip() != '':
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matcher = re.search("( )?([a-zA-Z]+) (.*)", line)
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config[matcher.group(2)] = matcher.group(3)
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return config
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# List out servers that vagrant has running
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#------------------------------
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if options.list:
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ssh_config = get_ssh_config()
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hosts = { 'vagrant': []}
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for data in ssh_config:
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hosts['vagrant'].append(data['HostName'])
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print json.dumps(hosts)
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sys.exit(0)
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# Get out the host details
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#------------------------------
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elif options.host:
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result = {}
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ssh_config = get_ssh_config()
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details = filter(lambda x: (x['HostName'] == options.host), ssh_config)
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if len(details) > 0:
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#pass through the port, in case it's non standard.
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result = details[0]
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result['ansible_ssh_port'] = result['Port']
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print json.dumps(result)
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sys.exit(0)
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# Print out help
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#------------------------------
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else:
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parser.print_help()
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sys.exit(0)
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