def _locate_killers(self):
start_traces = self.tracereader.apps_started()
killer_instances = dict()
to_kill = list()
for (trace_fn, app_name) in start_traces:
# Figure out which class will stop it
killcls = None
for (cmd, action) in tr.TraceReader(trace_fn).read():
if cmd == settings.RUN_TYPE_TYPE and action:
killcls = RUNNER_CLS_MAPPING.get(action)
break
# Did we find a class that can do it?
if killcls:
if killcls in killer_instances:
killer = killer_instances[killcls]
else:
killer = killcls(
self.cfg,
self.component_name,
self.trace_dir,
)
killer_instances[killcls] = killer
to_kill.append((app_name, killer))
else:
msg = "Could not figure out which class to use to stop (%s, %s)" % (
app_name, trace_fn)
raise excp.StopException(msg)
return to_kill
def _find_session(self, app_name, trace_fn):
session_id = None
for (key, value) in tr.TraceReader(trace_fn).read():
if key == SESSION_ID and value:
session_id = value
if not session_id:
msg = "Could not find a screen session id for %s in file [%s]" % (
app_name, trace_fn)
raise excp.StopException(msg)
return session_id
def __init__(self, *args, **kargs):
ComponentBase.__init__(self, *args, **kargs)
self.tracereader = tr.TraceReader(
tr.trace_fn(self.trace_dir, tr.IN_TRACE))
def is_installed(self):
return tr.TraceReader(tr.trace_fn(self.trace_dir,
tr.IN_TRACE)).exists()
def is_started(self):
return tr.TraceReader(tr.trace_fn(self.trace_dir,
tr.START_TRACE)).exists()