def configure_gmetad():
juju_log("INFO", "Configuring gmetad for master unit")
data_sources = {
"self": ["localhost"]
}
for _rid in relation_ids("master"):
for _unit in relation_list(_rid):
# endpoint is set by ganglia-node
# subordinate to indicate that
# gmond should not be used as a
# datasource
_datasource = relation_get('datasource',
_unit, _rid)
if _datasource == "true":
service_name = _unit.split('/')[0]
if service_name not in data_sources:
data_sources[service_name] = []
data_sources[service_name]\
.append(relation_get('private-address',
_unit, _rid))
context = {
"data_sources": data_sources,
"gridname": config_get("gridname")
}
before = checksum(GMETAD_CONF)
with open(GMETAD_CONF, "w") as gmetad:
gmetad.write(render_template("gmetad.conf", context))
if before != checksum(GMETAD_CONF):
control(GMETAD, RESTART)
def get_ceph_nodes():
hosts = []
for r_id in utils.relation_ids('ceph'):
for unit in utils.relation_list(r_id):
hosts.append(utils.relation_get('private-address',
unit=unit, rid=r_id))
return hosts
def configure_gmond():
juju_log("INFO", "Configuring new ganglia node")
_rid = relation_ids("juju-info")[0]
principle_unit = get_principle_name()
service_name = principle_unit.split('/')[0]
_rids = relation_ids("node")
masters = []
if _rids:
# Configure as head unit and send data to masters
for _rid in _rids:
for _master in relation_list(_rid):
masters.append(relation_get('private-address',
_master, _rid))
context = {
"service_name": service_name,
"masters": masters,
"unit_name": principle_unit
}
before = checksum(GMOND_CONF)
with open(GMOND_CONF, "w") as gmond:
gmond.write(render_template("gmond.conf", context))
if len(masters) > 0:
if before != checksum(GMOND_CONF):
control(GMOND, RESTART)
else:
control(GMOND, STOP)
def get_conf(name):
for relid in utils.relation_ids('mon'):
for unit in utils.relation_list(relid):
conf = utils.relation_get(name, unit, relid)
if conf:
return conf
return None
def is_clustered():
for r_id in (relation_ids('ha') or []):
for unit in (relation_list(r_id) or []):
clustered = relation_get('clustered', rid=r_id, unit=unit)
if clustered:
return True
return False
def get_keystone_conf():
for relid in utils.relation_ids('identity-service'):
for unit in utils.relation_list(relid):
ks_auth = {
'auth_type': 'keystone',
'auth_protocol': 'http',
'auth_host': utils.relation_get('auth_host', unit, relid),
'auth_port': utils.relation_get('auth_port', unit, relid),
'admin_token': utils.relation_get('admin_token', unit, relid),
'user_roles': utils.config_get('operator-roles'),
'cache_size': utils.config_get('cache-size'),
'revocation_check_interval': utils.config_get('revocation-check-interval')
}
if None not in ks_auth.itervalues():
return ks_auth
return None
def configure_haproxy(service_ports):
'''
Configure HAProxy based on the current peers in the service
cluster using the provided port map:
"swift": [ 8080, 8070 ]
HAproxy will also be reloaded/started if required
service_ports: dict: dict of lists of [ frontend, backend ]
'''
cluster_hosts = {}
cluster_hosts[os.getenv('JUJU_UNIT_NAME').replace('/', '-')] = \
unit_get('private-address')
for r_id in relation_ids('cluster'):
for unit in relation_list(r_id):
cluster_hosts[unit.replace('/', '-')] = \
relation_get(attribute='private-address',
rid=r_id,
unit=unit)
context = {'units': cluster_hosts, 'service_ports': service_ports}
with open(HAPROXY_CONF, 'w') as f:
f.write(render_template(os.path.basename(HAPROXY_CONF), context))
with open(HAPROXY_DEFAULT, 'w') as f:
f.write('ENABLED=1')
reload('haproxy')
def get_cert():
cert = config_get('ssl_cert')
key = config_get('ssl_key')
if not (cert and key):
juju_log('INFO',
"Inspecting identity-service relations for SSL certificate.")
cert = key = None
for r_id in relation_ids('identity-service'):
for unit in relation_list(r_id):
if not cert:
cert = relation_get('ssl_cert',
rid=r_id, unit=unit)
if not key:
key = relation_get('ssl_key',
rid=r_id, unit=unit)
return (cert, key)
def get_conf(name):
for relid in utils.relation_ids('mon'):
for unit in utils.relation_list(relid):
conf = utils.relation_get(name,
unit, relid)
if conf:
return conf
return None
def mon_relation():
utils.juju_log('INFO', 'Begin mon-relation hook.')
emit_cephconf()
key = utils.relation_get('radosgw_key')
if key:
ceph.import_radosgw_key(key)
restart() # TODO figure out a better way todo this
utils.juju_log('INFO', 'End mon-relation hook.')
def mon_relation():
utils.juju_log('INFO', 'Begin mon-relation hook.')
emit_cephconf()
key = utils.relation_get('radosgw_key')
if key:
ceph.import_radosgw_key(key)
restart() # TODO figure out a better way todo this
utils.juju_log('INFO', 'End mon-relation hook.')
def is_clustered():
for r_id in (relation_ids('ha') or []):
for unit in (relation_list(r_id) or []):
clustered = relation_get('clustered',
rid=r_id,
unit=unit)
if clustered:
return True
return False
def get_mon_hosts():
hosts = []
for relid in utils.relation_ids('mon'):
for unit in utils.relation_list(relid):
hosts.append('{}:6789'.format(
utils.get_host_ip(
utils.relation_get('private-address', unit, relid))))
hosts.sort()
return hosts
def https():
'''
Determines whether enough data has been provided in configuration
or relation data to configure HTTPS
.
returns: boolean
'''
if config_get('use-https') == "yes":
return True
if config_get('ssl_cert') and config_get('ssl_key'):
return True
for r_id in relation_ids('identity-service'):
for unit in relation_list(r_id):
if (relation_get('https_keystone', rid=r_id, unit=unit)
and relation_get('ssl_cert', rid=r_id, unit=unit)
and relation_get('ssl_key', rid=r_id, unit=unit)
and relation_get('ca_cert', rid=r_id, unit=unit)):
return True
return False
def get_ca_cert():
ca_cert = None
juju_log('INFO',
"Inspecting identity-service relations for CA SSL certificate.")
for r_id in relation_ids('identity-service'):
for unit in relation_list(r_id):
if not ca_cert:
ca_cert = relation_get('ca_cert',
rid=r_id, unit=unit)
return ca_cert
def https():
'''
Determines whether enough data has been provided in configuration
or relation data to configure HTTPS
.
returns: boolean
'''
if config_get('use-https') == "yes":
return True
if config_get('ssl_cert') and config_get('ssl_key'):
return True
for r_id in relation_ids('identity-service'):
for unit in relation_list(r_id):
if (relation_get('https_keystone', rid=r_id, unit=unit) and
relation_get('ssl_cert', rid=r_id, unit=unit) and
relation_get('ssl_key', rid=r_id, unit=unit) and
relation_get('ca_cert', rid=r_id, unit=unit)):
return True
return False
def get_mon_hosts():
hosts = []
for relid in utils.relation_ids('mon'):
for unit in utils.relation_list(relid):
hosts.append(
'{}:6789'.format(utils.get_host_ip(
utils.relation_get('private-address',
unit, relid)))
)
hosts.sort()
return hosts
def get_keystone_conf():
for relid in utils.relation_ids('identity-service'):
for unit in utils.relation_list(relid):
ks_auth = {
'auth_type':
'keystone',
'auth_protocol':
'http',
'auth_host':
utils.relation_get('auth_host', unit, relid),
'auth_port':
utils.relation_get('auth_port', unit, relid),
'admin_token':
utils.relation_get('admin_token', unit, relid),
'user_roles':
utils.config_get('operator-roles'),
'cache_size':
utils.config_get('cache-size'),
'revocation_check_interval':
utils.config_get('revocation-check-interval')
}
if None not in ks_auth.itervalues():
return ks_auth
return None
def configure_gmond():
juju_log("INFO", "Configuring ganglia monitoring daemon")
service_name = os.environ['JUJU_UNIT_NAME'].split('/')[0]
_rids = relation_ids("head")
masters = []
if _rids:
# Configure as head unit and send data to masters
for _rid in _rids:
for _master in relation_list(_rid):
masters.append(relation_get('private-address',
_master, _rid))
context = {
"service_name": service_name,
"masters": masters,
"dead_host_timeout": config_get("dead_host_timeout")
}
before = checksum(GMOND_CONF)
with open(GMOND_CONF, "w") as gmond:
gmond.write(render_template("gmond.conf", context))
if before != checksum(GMOND_CONF):
control(GMOND, RESTART)
