bitbake: eventreplay: rewrite the script
Rewritten toaster-eventreplay to make code working as expected, more compact and readable. [YOCTO #9585] (Bitbake rev: 45370a860b24a761d1b6e08ba752079cc45f54da) Signed-off-by: Ed Bartosh <ed.bartosh@linux.intel.com> Signed-off-by: Elliot Smith <elliot.smith@intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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@ -21,11 +21,13 @@
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# with this program; if not, write to the Free Software Foundation, Inc.,
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# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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"""
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This command takes a filename as a single parameter. The filename is read
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as a build eventlog, and the ToasterUI is used to process events in the file
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and log data in the database
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"""
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# This command takes a filename as a single parameter. The filename is read
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# as a build eventlog, and the ToasterUI is used to process events in the file
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# and log data in the database
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import os
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import sys
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import json
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import pickle
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@ -40,130 +42,85 @@ sys.path.insert(0, join(dirname(dirname(abspath(__file__))), 'lib'))
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import bb.cooker
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from bb.ui import toasterui
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class FileReadEventsServerConnection():
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""" Emulates a connection to a bitbake server that feeds
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events coming actually read from a saved log file.
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"""
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class EventPlayer:
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"""Emulate a connection to a bitbake server."""
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class MockConnection():
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""" fill-in for the proxy to the server. we just return generic data
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"""
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def __init__(self, sc):
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self._sc = sc
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def __init__(self, eventfile, variables):
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self.eventfile = eventfile
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self.variables = variables
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self.eventmask = []
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def runCommand(self, commandArray):
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""" emulates running a command on the server; only read-only commands are accepted """
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command_name = commandArray[0]
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if command_name == "getVariable":
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if commandArray[1] in self._sc._variables:
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return (self._sc._variables[commandArray[1]]['v'], None)
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return (None, "Missing variable")
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elif command_name == "getAllKeysWithFlags":
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dump = {}
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flaglist = commandArray[1]
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for k in self._sc._variables.keys():
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def waitEvent(self, _timeout):
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"""Read event from the file."""
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line = self.eventfile.readline().strip()
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if not line:
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return
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try:
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if not k.startswith("__"):
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v = self._sc._variables[k]['v']
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dump[k] = {
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'v' : v ,
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'history' : self._sc._variables[k]['history'],
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event_str = json.loads(line)['vars'].encode('utf-8')
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event = pickle.loads(codecs.decode(event_str, 'base64'))
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event_name = "%s.%s" % (event.__module__, event.__class__.__name__)
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if event_name not in self.eventmask:
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return
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return event
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except ValueError as err:
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print("Failed loading ", line)
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raise err
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def runCommand(self, command_line):
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"""Emulate running a command on the server."""
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name = command_line[0]
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if name == "getVariable":
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var_name = command_line[1]
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variable = self.variables.get(var_name)
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if variable:
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return variable['v'], None
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return None, "Missing variable %s" % var_name
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elif name == "getAllKeysWithFlags":
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dump = {}
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flaglist = command_line[1]
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for key, val in self.variables.items():
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try:
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if not key.startswith("__"):
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dump[key] = {
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'v': val['v'],
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'history' : val['history'],
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}
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for d in flaglist:
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dump[k][d] = self._sc._variables[k][d]
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except Exception as e:
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print(e)
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for flag in flaglist:
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dump[key][flag] = val[flag]
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except Exception as err:
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print(err)
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return (dump, None)
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elif command_name == 'setEventMask':
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self.eventmask = commandArray[-1]
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elif name == 'setEventMask':
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self.eventmask = command_line[-1]
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return True, None
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else:
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raise Exception("Command %s not implemented" % commandArray[0])
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def terminateServer(self):
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""" do not do anything """
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pass
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raise Exception("Command %s not implemented" % command_line[0])
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def getEventHandle(self):
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"""
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This method is called by toasterui.
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The return value is passed to self.runCommand but not used there.
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"""
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pass
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def main(argv):
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with open(argv[-1]) as eventfile:
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# load variables from the first line
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variables = json.loads(eventfile.readline().strip())['allvariables']
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class EventReader():
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def __init__(self, sc):
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self._sc = sc
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self.firstraise = 0
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params = namedtuple('ConfigParams', ['observe_only'])(True)
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player = EventPlayer(eventfile, variables)
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def _create_event(self, line):
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def _import_class(name):
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assert len(name) > 0
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assert "." in name, name
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components = name.strip().split(".")
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modulename = ".".join(components[:-1])
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moduleklass = components[-1]
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module = __import__(modulename, fromlist=[str(moduleklass)])
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return getattr(module, moduleklass)
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# we build a toaster event out of current event log line
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try:
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event_data = json.loads(line.strip())
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event_class = _import_class(event_data['class'])
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event_str = event_data['vars'].encode('utf-8')
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event_object = pickle.loads(codecs.decode(event_str, 'base64'))
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except ValueError as e:
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print("Failed loading ", line)
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raise e
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if not isinstance(event_object, event_class):
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raise Exception("Error loading objects %s class %s ", event_object, event_class)
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return event_object
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def waitEvent(self, timeout):
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nextline = self._sc._eventfile.readline()
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if len(nextline) == 0:
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# the build data ended, while toasterui still waits for events.
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# this happens when the server was abruptly stopped, so we simulate this
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self.firstraise += 1
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if self.firstraise == 1:
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raise KeyboardInterrupt()
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else:
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return None
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else:
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self._sc.lineno += 1
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return self._create_event(nextline)
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def _readVariables(self, variableline):
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self._variables = json.loads(variableline.strip())['allvariables']
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def __init__(self, file_name):
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self.connection = FileReadEventsServerConnection.MockConnection(self)
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self._eventfile = open(file_name, "r")
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# we expect to have the variable dump at the start of the file
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self.lineno = 1
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self._readVariables(self._eventfile.readline())
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self.events = FileReadEventsServerConnection.EventReader(self)
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return toasterui.main(player, player, params)
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# run toaster ui on our mock bitbake class
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if __name__ == "__main__":
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if len(sys.argv) < 2:
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print("Usage: %s event.log " % sys.argv[0])
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if len(sys.argv) != 2:
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print("Usage: %s <event file>" % os.path.basename(sys.argv[0]))
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sys.exit(1)
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file_name = sys.argv[-1]
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mock_connection = FileReadEventsServerConnection(file_name)
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configParams = namedtuple('ConfigParams', ['observe_only'])(True)
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# run the main program and set exit code to the returned value
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sys.exit(toasterui.main(mock_connection.connection, mock_connection.events, configParams))
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sys.exit(main(sys.argv))
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