def _register(self, manifest, refresh_interval=None):
app_presence = presence.EndpointPresence(context.GLOBAL.zk.conn,
manifest)
try:
app_presence.register()
if manifest.get('tickets', None):
_get_tickets(manifest['name'], manifest, self.container_dir)
_start_service_sup(self.container_dir)
except exc.ContainerSetupError as err:
app_abort.abort(self.tm_env, manifest['name'], reason=str(err))
# If tickets are not ok, app will be aborted. Waiting for tickets
# in the loop is harmless way to wait for that.
#
# If tickets acquired successfully, services will start, and
# tickets will be refreshed after each interval.
tkts_spool_dir = os.path.join(self.container_dir, 'root', 'var',
'spool', 'tickets')
while True:
time.sleep(refresh_interval)
reply = tickets.request_tickets(context.GLOBAL.zk.conn,
manifest['name'])
if reply:
tickets.store_tickets(reply, tkts_spool_dir)
else:
_LOGGER.error('Error requesting tickets.')
def _get_tickets(appname, app, container_dir):
"""Get tickets."""
tkts_spool_dir = os.path.join(
container_dir, 'root', 'var', 'spool', 'tickets')
reply = tickets.request_tickets(context.GLOBAL.zk.conn, appname)
if reply:
tickets.store_tickets(reply, tkts_spool_dir)
# Check that all requested tickets are valid.
for princ in app.get('tickets', []):
krbcc_file = os.path.join(tkts_spool_dir, princ)
if not tickets.krbcc_ok(krbcc_file):
_LOGGER.error('Missing or expired tickets: %s, %s',
princ, krbcc_file)
raise exc.ContainerSetupError('tickets.%s' % princ)
else:
_LOGGER.info('Ticket ok: %s, %s', princ, krbcc_file)
def register(approot, refresh_interval, manifest, container_dir,
appevents_dir):
"""Register container presence."""
del appevents_dir
tm_env = appmgr.AppEnvironment(approot)
app = yaml.load(manifest.read())
appname = app['name']
app_presence = presence.EndpointPresence(
context.GLOBAL.zk.conn,
app
)
try:
app_presence.register()
_get_tickets(appname, app, container_dir)
_start_service_sup(container_dir)
except exc.ContainerSetupError as err:
app_abort.abort(
tm_env,
appname,
reason=str(err)
)
# If tickets are not ok, app will be aborted. Waiting for tickets
# in the loop is harmless way to wait for that.
#
# If tickets acquired successfully, services will start, and
# tickets will be refreshed after each interval.
tkts_spool_dir = os.path.join(
container_dir, 'root', 'var', 'spool', 'tickets')
while True:
time.sleep(refresh_interval)
reply = tickets.request_tickets(context.GLOBAL.zk.conn,
appname)
if reply:
tickets.store_tickets(reply, tkts_spool_dir)
else:
_LOGGER.error('Error requesting tickets.')