from nepi.execution.attribute import Attribute, Flags, Types
from nepi.execution.trace import Trace, TraceAttr
from nepi.execution.resource import ResourceManager, clsinit_copy, \
- ResourceState, ResourceAction, failtrap
+ ResourceState, ResourceAction
from nepi.util.sshfuncs import ProcStatus
import os
@clsinit_copy
class Collector(ResourceManager):
- """ The collector is reponsible of collecting traces
+ """ The collector entity is reponsible of collecting traces
of a same type associated to RMs into a local directory.
.. class:: Class Args :
@classmethod
def _register_attributes(cls):
- trace_name = Attribute("traceName", "Name of the trace to be collected",
- flags = Flags.ExecReadOnly)
- store_dir = Attribute("storeDir", "Path to local directory to store trace results",
- default = tempfile.gettempdir(),
- flags = Flags.ExecReadOnly)
- sub_dir = Attribute("subDir", "Sub directory to collect traces into",
- flags = Flags.ExecReadOnly)
- rename = Attribute("rename", "Name to give to the collected trace file",
- flags = Flags.ExecReadOnly)
+ trace_name = Attribute("traceName",
+ "Name of the trace to be collected",
+ flags = Flags.Design)
+
+ sub_dir = Attribute("subDir",
+ "Sub directory to collect traces into",
+ flags = Flags.Design)
+
+ rename = Attribute("rename",
+ "Name to give to the collected trace file",
+ flags = Flags.Design)
cls._register_attribute(trace_name)
- cls._register_attribute(store_dir)
cls._register_attribute(sub_dir)
cls._register_attribute(rename)
def store_path(self):
return self._store_path
- @failtrap
- def provision(self):
+ def do_provision(self):
trace_name = self.get("traceName")
if not trace_name:
self.fail()
self.error(msg)
raise RuntimeError, msg
- store_dir = self.get("storeDir")
- self._store_path = os.path.join(store_dir, self.ec.exp_id, self.ec.run_id)
+ self._store_path = self.ec.run_dir
subdir = self.get("subDir")
if subdir:
- self._store_path = os.path.join(self._store_path, subdir)
+ self._store_path = os.path.join(self.store_path, subdir)
msg = "Creating local directory at %s to store %s traces " % (
- store_dir, trace_name)
+ self.store_path, trace_name)
self.info(msg)
try:
except OSError:
pass
- super(Collector, self).provision()
+ super(Collector, self).do_provision()
- @failtrap
- def deploy(self):
- self.discover()
- self.provision()
+ def do_deploy(self):
+ self.do_discover()
+ self.do_provision()
- super(Collector, self).deploy()
+ super(Collector, self).do_deploy()
- def release(self):
- try:
- trace_name = self.get("traceName")
- rename = self.get("rename") or trace_name
+ def do_release(self):
+ trace_name = self.get("traceName")
+ rename = self.get("rename") or trace_name
+
+ msg = "Collecting '%s' traces to local directory %s" % (
+ trace_name, self.store_path)
+ self.info(msg)
- msg = "Collecting '%s' traces to local directory %s" % (
- trace_name, self.store_path)
- self.info(msg)
+ rms = self.get_connected()
+ for rm in rms:
+ fpath = os.path.join(self.store_path, "%d.%s" % (rm.guid,
+ rename))
- rms = self.get_connected()
- for rm in rms:
+ try:
result = self.ec.trace(rm.guid, trace_name)
- fpath = os.path.join(self.store_path, "%d.%s" % (rm.guid,
- rename))
- try:
- f = open(fpath, "w")
- f.write(result)
- f.close()
- except:
- msg = "Couldn't retrieve trace %s for %d at %s " % (trace_name,
- rm.guid, fpath)
- self.error(msg)
- continue
- except:
- import traceback
- err = traceback.format_exc()
- self.error(err)
-
- super(Collector, self).release()
+ f = open(fpath, "w")
+ f.write(result)
+ f.close()
+ except:
+ import traceback
+ err = traceback.format_exc()
+ msg = "Couldn't retrieve trace %s for %d at %s " % (trace_name,
+ rm.guid, fpath)
+ self.error(msg, out = "", err = err)
+ continue
+
+ super(Collector, self).do_release()
def valid_connection(self, guid):
# TODO: Validate!