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Viewing changes to charmhelpers/contrib/openstack/utils.py

  • Committer: Liam Young
  • Date: 2014-10-20 09:39:31 UTC
  • mfrom: (202.3.11 charm-helpers-0mq)
  • Revision ID: liam.young@canonical.com-20141020093931-m8eiogi1u36zxsuv
[gnuoy,r=jamespage] Add 0mq support to charmhelpers/contrib/openstack

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charmhelpers/contrib/openstack/utils.py
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# Common python helper functions used for OpenStack charms.
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from collections import OrderedDict
 
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from functools import wraps
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import subprocess
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import json
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        return result.split('.')[0]
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def get_matchmaker_map(mm_file='/etc/oslo/matchmaker_ring.json'):
 
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    mm_map = {}
 
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    if os.path.isfile(mm_file):
 
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        with open(mm_file, 'r') as f:
 
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            mm_map = json.load(f)
 
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    return mm_map
 
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def sync_db_with_multi_ipv6_addresses(database, database_user,
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                                      relation_prefix=None):
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    hosts = get_ipv6_addr(dynamic_only=False)
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    for rid in relation_ids('shared-db'):
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        relation_set(relation_id=rid, **kwargs)
 
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def os_requires_version(ostack_release, pkg):
 
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    """
 
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    Decorator for hook to specify minimum supported release
 
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    """
 
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    def wrap(f):
 
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        @wraps(f)
 
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        def wrapped_f(*args):
 
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            if os_release(pkg) < ostack_release:
 
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                raise Exception("This hook is not supported on releases"
 
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                                " before %s" % ostack_release)
 
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            f(*args)
 
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        return wrapped_f
 
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    return wrap