def get_machine_id():
"""
Get the Juju node ID from the environment; may return "None" if
the environment settings are not as expected.
"""
kv = unitdata.kv()
val = kv.get(kvdata.KEY_MACHINE_ID, None)
if val is None:
env = hookenv.execution_environment()
if "env" not in env:
rdebug(
'No "env" in the execution environment: {env}'.format(env=env)
)
val = ""
elif "JUJU_MACHINE_ID" not in env["env"]:
rdebug(
"No JUJU_MACHINE_ID in the environment: {env}".format(
env=env["env"]
)
)
val = ""
else:
val = env["env"]["JUJU_MACHINE_ID"]
kv.set(kvdata.KEY_MACHINE_ID, val)
return None if val == "" else val
def _record_hook(self, hookenv):
data = hookenv.execution_environment()
self.conf = conf_delta = self.kv.delta(data['conf'], 'config')
self.rels = rels_delta = self.kv.delta(data['rels'], 'rels')
self.kv.set('env', dict(data['env']))
self.kv.set('unit', data['unit'])
self.kv.set('relid', data.get('relid'))
return conf_delta, rels_delta
def _record_hook(self, hookenv):
data = hookenv.execution_environment()
self.conf = conf_delta = self.kv.delta(data['conf'], 'config')
self.rels = rels_delta = self.kv.delta(data['rels'], 'rels')
self.kv.set('env', dict(data['env']))
self.kv.set('unit', data['unit'])
self.kv.set('relid', data.get('relid'))
return conf_delta, rels_delta
def test_gets_execution_environment_no_relation(self, os_, relations_get,
relations, relation_id,
local_unit, relation_type,
config):
config.return_value = 'some-config'
relation_type.return_value = 'some-type'
local_unit.return_value = 'some-unit'
relation_id.return_value = None
relations.return_value = 'all-relations'
relations_get.return_value = 'some-relations'
os_.environ = 'some-environment'
result = hookenv.execution_environment()
self.assertEqual(
result, {
'conf': 'some-config',
'unit': 'some-unit',
'rels': 'all-relations',
'env': 'some-environment',
})
def render(template, extra={}, **kwargs):
"""Return the template rendered using Python's str.format()."""
context = hookenv.execution_environment()
context.update(extra)
context.update(kwargs)
return template.format(**context)
def get_controllers():
controllers = []
for endpoint in execution_environment()['env']['JUJU_API_ADDRESSES'].split(" "):
ip,port=endpoint.split(':')
controllers.append(ip)
return controllers
def update_status():
log("States %s"%get_states() )
log("Env %s"% execution_environment() )
controllers = get_controllers()
if data_changed('controllers', controllers):
ipset_update(controllers_set_name(), controllers)
def render(template, extra={}, **kwargs):
"""Return the template rendered using Python's str.format()."""
context = hookenv.execution_environment()
context.update(extra)
context.update(kwargs)
return template.format(**context)