~juju-jitsu/juju-jitsu/stable

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#!/usr/bin/python
#
# capfile - returns a capistrano formatted version of the juju status
#
# Copyright 2012 Canonical Ltd. All Rights Reserved
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

import yaml
import sys
from subprocess import Popen, PIPE


def main():
    d = yaml.safe_load(Popen(['juju','status'],stdout=PIPE).stdout)
    try:
        srv = d["services"]
    except KeyError:
        return
    for service in srv:
        if service is None:
            return
        unit_addresses = []
        sys.stdout.write("role :%s, " % service)
        try:
            for unit in srv[service]['units']:
                if unit is None:
                    return
                if isinstance(srv[service]['units'][unit]['public-address'], str):
                    unit_addresses.append("%r" % srv[service]['units'][unit]['public-address'])
            sys.stdout.write(", ".join(unit_addresses))
        except KeyError:
            return
        sys.stdout.write("\r\n")

if __name__ == "__main__":
    main()