fedora-ansible/filter_plugins/fedmsg.py

40 lines
1.2 KiB
Python

import operator
def invert_fedmsg_policy(groups, vars, env):
""" Given hostvars that map hosts -> topics, invert that
and return a dict that maps topics -> hosts.
Really, returns a list of tuples -- not a dict.
"""
if env == 'staging':
hosts = groups['staging'] + groups['staging_friendly']
else:
hosts = [h for h in groups['all'] if h not in groups['staging']]
inverted = {}
for host in hosts:
prefix = '.'.join([vars[host]['fedmsg_prefix'],
vars[host]['fedmsg_env']])
fqdn = vars[host].get('fedmsg_fqdn', host)
for cert in vars[host]['fedmsg_certs']:
for topic in cert.get('can_send', []):
key = prefix + '.' + topic
inverted[key] = inverted.get(key, [])
inverted[key].append(cert['service'] + '-' + fqdn)
result = list(inverted.items())
# Sort things so they come out in a reliable order (idempotence)
[inverted[key].sort() for key in inverted]
result.sort(key=operator.itemgetter(0))
return result
class FilterModule(object):
def filters(self):
return {
"invert_fedmsg_policy": invert_fedmsg_policy,
}