def _begin_start(self, name, program, args):
run_trace = tr.TraceWriter(
tr.trace_fn(self.trace_dir, SCREEN_TEMPL % (name)))
run_trace.trace(TYPE, RUN_TYPE)
run_trace.trace(NAME, name)
run_trace.trace(ARGS, json.dumps(args))
full_cmd = [program] + list(args)
session_name = self._get_session()
inited_screen = False
if session_name is None:
inited_screen = True
self._do_screen_init()
session_name = self._get_session()
if session_name is None:
msg = "After initializing screen with session named [%s], no screen session with that name was found!" % (
SESSION_NAME)
raise excp.StartException(msg)
run_trace.trace(SESSION_ID, session_name)
if inited_screen or not sh.isfile(SCREEN_RC):
rc_gen = ScreenRcGenerator(self)
rc_contents = rc_gen.create(session_name, self._get_env())
out_fn = sh.abspth(SCREEN_RC)
LOG.info("Writing your created screen rc file to [%s]" % (out_fn))
sh.write_file(out_fn, rc_contents)
self._do_start(session_name, name, full_cmd)
return run_trace.filename()
def stop(self, app_name):
with sh.Rooted(ROOT_GO):
if not sh.isdir(self.trace_dir):
msg = "No trace directory found from which to stop %s" % (app_name)
raise excp.StopException(msg)
fn_name = FORK_TEMPL % (app_name)
(pid_file, stderr_fn, stdout_fn) = self._form_file_names(fn_name)
trace_fn = tr.trace_fn(self.trace_dir, fn_name)
if sh.isfile(pid_file) and sh.isfile(trace_fn):
pid = int(sh.load_file(pid_file).strip())
(killed, attempts) = self._stop_pid(pid)
# Trash the files if it worked
if killed:
LOG.debug("Killed pid %s after %s attempts" % (pid, attempts))
LOG.debug("Removing pid file %s" % (pid_file))
sh.unlink(pid_file)
LOG.debug("Removing stderr file %s" % (stderr_fn))
sh.unlink(stderr_fn)
LOG.debug("Removing stdout file %s" % (stdout_fn))
sh.unlink(stdout_fn)
LOG.debug("Removing %s trace file %s" % (app_name, trace_fn))
sh.unlink(trace_fn)
else:
msg = "Could not stop %s after %s attempts" % (app_name, attempts)
raise excp.StopException(msg)
else:
msg = "No pid or trace file could be found to stop %s in directory %s" % (app_name, self.trace_dir)
raise excp.StopException(msg)
def stop(self, name, *args, **kargs):
with sh.Rooted(kargs.get("run_as_root", True)):
trace_dir = kargs.get("trace_dir")
if not trace_dir or not sh.isdir(trace_dir):
msg = "No trace directory found from which to stop %s" % (name)
raise excp.StopException(msg)
fn_name = FORK_TEMPL % (name)
(pid_file, stderr_fn, stdout_fn) = self._form_file_names(trace_dir, fn_name)
trace_fn = tr.trace_fn(trace_dir, fn_name)
if sh.isfile(pid_file) and sh.isfile(trace_fn):
pid = int(sh.load_file(pid_file).strip())
(killed, attempts) = self._stop_pid(pid)
#trash the files
if killed:
LOG.debug("Killed pid %s after %s attempts" % (pid, attempts))
LOG.debug("Removing pid file %s" % (pid_file))
sh.unlink(pid_file)
LOG.debug("Removing stderr file %s" % (stderr_fn))
sh.unlink(stderr_fn)
LOG.debug("Removing stdout file %s" % (stdout_fn))
sh.unlink(stdout_fn)
LOG.debug("Removing %s trace file %s" % (name, trace_fn))
sh.unlink(trace_fn)
else:
msg = "Could not stop %s after %s attempts" % (name, attempts)
raise excp.StopException(msg)
else:
msg = "No pid or trace file could be found to stop %s in directory %s" % (name, trace_dir)
raise excp.StopException(msg)
def stop(self, app_name):
fn_name = UPSTART_TEMPL % (app_name)
trace_fn = tr.trace_fn(self.trace_dir, fn_name)
# Emit the start, keep track and only do one per component name
component_event = self.component_name + STOP_EVENT_SUFFIX
if component_event in self.events:
LOG.debug("Already emitted event: %s" % (component_event))
else:
LOG.info("About to emit event: %s" % (component_event))
cmd = EMIT_BASE_CMD + [component_event]
sh.execute(*cmd, run_as_root=True)
self.events.add(component_event)
sh.unlink(trace_fn)
def stop(self, app_name):
fn_name = UPSTART_TEMPL % (app_name)
trace_fn = tr.trace_fn(self.trace_dir, fn_name)
# Emit the start, keep track and only do one per component name
component_event = self.component_name + STOP_EVENT_SUFFIX
if component_event in self.events:
LOG.debug("Already emitted event: %s" % (component_event))
else:
LOG.debug("About to emit event: %s" % (component_event))
cmd = EMIT_BASE_CMD + [component_event]
sh.execute(*cmd, run_as_root=True)
self.events.add(component_event)
sh.unlink(trace_fn)
def _start(self, app_name, program, program_args):
run_trace = tr.TraceWriter(tr.trace_fn(self.trace_dir, UPSTART_TEMPL % (app_name)))
run_trace.trace(TYPE, RUN_TYPE)
run_trace.trace(NAME, app_name)
run_trace.trace(ARGS, json.dumps(program_args))
# Emit the start, keep track and only do one per component name
component_event = self.component_name + START_EVENT_SUFFIX
if component_event in self.events:
LOG.debug("Already emitted event: %s" % (component_event))
else:
LOG.debug("About to emit event: %s" % (component_event))
cmd = EMIT_BASE_CMD + [component_event]
sh.execute(*cmd, run_as_root=True)
self.events.add(component_event)
return run_trace.filename()
def _start(self, app_name, program, program_args):
run_trace = tr.TraceWriter(
tr.trace_fn(self.trace_dir, UPSTART_TEMPL % (app_name)))
run_trace.trace(TYPE, RUN_TYPE)
run_trace.trace(NAME, app_name)
run_trace.trace(ARGS, json.dumps(program_args))
# Emit the start, keep track and only do one per component name
component_event = self.component_name + START_EVENT_SUFFIX
if component_event in self.events:
LOG.debug("Already emitted event: %s" % (component_event))
else:
LOG.debug("About to emit event: %s" % (component_event))
cmd = EMIT_BASE_CMD + [component_event]
sh.execute(*cmd, run_as_root=True)
self.events.add(component_event)
return run_trace.filename()
def _install_python_setups(self):
pydirs = self._get_python_directories()
if pydirs:
LOG.info("Setting up %s python directories (%s)", len(pydirs), pydirs)
for (name, wkdir) in pydirs.items():
working_dir = wkdir or self.app_dir
self.tracewriter.dirs_made(*sh.mkdirslist(working_dir))
self.tracewriter.py_installed(name, working_dir)
(stdout, stderr) = sh.execute(*PY_INSTALL, cwd=working_dir, run_as_root=True)
py_trace_name = "%s-%s" % (tr.PY_TRACE, name)
py_writer = tr.TraceWriter(tr.trace_fn(self.trace_dir, py_trace_name))
# Format or json encoding isn't really needed here since this is
# more just for information output/lookup if desired.
py_writer.trace("CMD", " ".join(PY_INSTALL))
py_writer.trace("STDOUT", stdout)
py_writer.trace("STDERR", stderr)
self.tracewriter.file_touched(py_writer.filename())
def _install_python_setups(self):
pydirs = self._get_python_directories()
if pydirs:
LOG.info("Setting up %s python directories (%s)" % (len(pydirs), pydirs))
for (name, wkdir) in pydirs.items():
working_dir = wkdir or self.appdir
#ensure working dir is there
self.tracewriter.dirs_made(*sh.mkdirslist(working_dir))
#do this before write just incase it craps out half way through
self.tracewriter.py_installed(name, working_dir)
#now actually do it
(stdout, stderr) = sh.execute(*PY_INSTALL, cwd=working_dir, run_as_root=True)
py_trace_name = "%s-%s" % (tr.PY_TRACE, name)
py_writer = tr.TraceWriter(tr.trace_fn(self.tracedir, py_trace_name))
py_writer.trace("CMD", " ".join(PY_INSTALL))
py_writer.trace("STDOUT", stdout)
py_writer.trace("STDERR", stderr)
self.tracewriter.file_touched(py_writer.filename())
def _install_python_setups(self):
pydirs = self._get_python_directories()
if pydirs:
LOG.info("Setting up %s python directories (%s)", len(pydirs),
pydirs)
for (name, wkdir) in pydirs.items():
working_dir = wkdir or self.app_dir
self.tracewriter.dirs_made(*sh.mkdirslist(working_dir))
self.tracewriter.py_installed(name, working_dir)
(stdout, stderr) = sh.execute(*PY_INSTALL,
cwd=working_dir,
run_as_root=True)
py_trace_name = "%s-%s" % (tr.PY_TRACE, name)
py_writer = tr.TraceWriter(
tr.trace_fn(self.trace_dir, py_trace_name))
# Format or json encoding isn't really needed here since this is
# more just for information output/lookup if desired.
py_writer.trace("CMD", " ".join(PY_INSTALL))
py_writer.trace("STDOUT", stdout)
py_writer.trace("STDERR", stderr)
self.tracewriter.file_touched(py_writer.filename())
def _begin_start(self, name, program, args):
run_trace = tr.TraceWriter(tr.trace_fn(self.trace_dir, SCREEN_TEMPL % (name)))
run_trace.trace(TYPE, RUN_TYPE)
run_trace.trace(NAME, name)
run_trace.trace(ARGS, json.dumps(args))
full_cmd = [program] + list(args)
session_name = self._get_session()
inited_screen = False
if session_name is None:
inited_screen = True
self._do_screen_init()
session_name = self._get_session()
if session_name is None:
msg = "After initializing screen with session named [%s], no screen session with that name was found!" % (SESSION_NAME)
raise excp.StartException(msg)
run_trace.trace(SESSION_ID, session_name)
if inited_screen or not sh.isfile(SCREEN_RC):
rc_gen = ScreenRcGenerator(self)
rc_contents = rc_gen.create(session_name, self._get_env())
out_fn = sh.abspth(SCREEN_RC)
LOG.info("Writing your created screen rc file to [%s]" % (out_fn))
sh.write_file(out_fn, rc_contents)
self._do_start(session_name, name, full_cmd)
return run_trace.filename()
def is_started(self):
return tr.TraceReader(tr.trace_fn(self.trace_dir, tr.START_TRACE)).exists()
def stop(self, app_name):
trace_fn = tr.trace_fn(self.trace_dir, SCREEN_TEMPL % (app_name))
session_id = self._find_session(app_name, trace_fn)
self._do_stop(app_name, session_id)
sh.unlink(trace_fn)
def __init__(self, *args, **kargs):
ComponentBase.__init__(self, *args, **kargs)
self.tracewriter = tr.TraceWriter(tr.trace_fn(self.trace_dir, tr.IN_TRACE))
self.packages = kargs.get("packages", list())
def __init__(self, *args, **kargs):
ComponentBase.__init__(self, *args, **kargs)
self.tracereader = tr.TraceReader(
tr.trace_fn(self.trace_dir, tr.IN_TRACE))
def __init__(self, *args, **kargs):
ComponentBase.__init__(self, *args, **kargs)
self.tracewriter = tr.TraceWriter(
tr.trace_fn(self.trace_dir, tr.IN_TRACE))
self.packages = kargs.get('packages', list())
def stop(self, app_name):
trace_fn = tr.trace_fn(self.trace_dir, SCREEN_TEMPL % (app_name))
session_id = self._find_session(app_name, trace_fn)
self._do_stop(app_name, session_id)
sh.unlink(trace_fn)
def __init__(self, *args, **kargs):
ComponentBase.__init__(self, *args, **kargs)
PackageBasedComponentMixin.__init__(self)
self.tracereader = tr.TraceReader(tr.trace_fn(self.trace_dir,
tr.IN_TRACE))
self.keep_old = kargs.get('keep_old')
def is_installed(self):
return tr.TraceReader(tr.trace_fn(self.trace_dir, tr.IN_TRACE)).exists()
def _do_trace(self, fn, kvs):
run_trace = tr.TraceWriter(tr.trace_fn(self.trace_dir, fn))
for (k, v) in kvs.items():
run_trace.trace(k, v)
return run_trace.filename()
def __init__(self, component_name, *args, **kargs):
ComponentBase.__init__(self, component_name, *args, **kargs)
self.tracewriter = tr.TraceWriter(tr.trace_fn(self.tracedir, tr.IN_TRACE))
def __init__(self, component_name, *args, **kargs):
ComponentBase.__init__(self, component_name, *args, **kargs)
self.tracereader = tr.TraceReader(tr.trace_fn(self.tracedir, tr.IN_TRACE))
self.keep_old = kargs.get("keep_old")
def __init__(self, *args, **kargs):
ComponentBase.__init__(self, *args, **kargs)
PackageBasedComponentMixin.__init__(self)
self.tracewriter = tr.TraceWriter(tr.trace_fn(self.trace_dir,
tr.IN_TRACE))
self.packages = kargs.get('packages', list())
def is_started(self):
return tr.TraceReader(tr.trace_fn(self.trace_dir,
tr.START_TRACE)).exists()
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()
