def load_json(fn):
data = load_file(fn)
lines = data.splitlines()
new_lines = list()
for line in lines:
if(line.lstrip().startswith('#')):
continue
new_lines.append(line)
data = joinlinesep(*new_lines)
return json.loads(data)
def load_json(fn):
data = load_file(fn)
lines = data.splitlines()
new_lines = list()
for line in lines:
if (line.lstrip().startswith('#')):
continue
new_lines.append(line)
data = joinlinesep(*new_lines)
return json.loads(data)
def _readpy(self):
lines = self._read()
pyfn = None
pylines = list()
for (cmd, action) in lines:
if(cmd == PYTHON_INSTALL and len(action)):
pyfn = action
break
if(pyfn != None):
lines = load_file(pyfn).splitlines()
pylines = lines
return pylines
def parse_fn(fn):
if(not isfile(fn)):
msg = "No trace found at filename %s" % (fn)
raise NoTraceException(msg)
contents = load_file(fn)
lines = contents.splitlines()
accum = list()
for line in lines:
ep = split_line(line)
if(ep == None):
continue
accum.append(tuple(ep))
return accum
def configure(self):
dirsmade = mkdirslist(self.cfgdir)
self.tracewriter.dir_made(*dirsmade)
configs = self._get_config_files()
if(configs and len(configs)):
for fn in configs:
parameters = self._get_param_map(fn)
sourcefn = joinpths(STACK_CONFIG_DIR, self.component_name, fn)
tgtfn = joinpths(self.cfgdir, fn)
LOG.info("Configuring template file %s" % (sourcefn))
contents = load_file(sourcefn)
LOG.info("Replacing parameters in file %s" % (sourcefn))
LOG.debug("Replacements = %s" % (parameters))
contents = param_replace(contents, parameters)
LOG.debug("Applying side-effects of param replacement for template %s" % (sourcefn))
contents = self._config_adjust(contents, fn)
LOG.info("Writing configuration file %s" % (tgtfn))
write_file(tgtfn, contents)
#this trace is used to remove the files configured
self.tracewriter.cfg_write(tgtfn)
return self.tracedir
def configure(self):
dirsmade = mkdirslist(self.cfgdir)
self.tracewriter.dir_made(*dirsmade)
configs = self._get_config_files()
if (configs and len(configs)):
for fn in configs:
parameters = self._get_param_map(fn)
sourcefn = joinpths(STACK_CONFIG_DIR, self.component_name, fn)
tgtfn = joinpths(self.cfgdir, fn)
LOG.info("Configuring template file %s" % (sourcefn))
contents = load_file(sourcefn)
LOG.info("Replacing parameters in file %s" % (sourcefn))
LOG.debug("Replacements = %s" % (parameters))
contents = param_replace(contents, parameters)
LOG.debug(
"Applying side-effects of param replacement for template %s"
% (sourcefn))
contents = self._config_adjust(contents, fn)
LOG.info("Writing configuration file %s" % (tgtfn))
write_file(tgtfn, contents)
#this trace is used to remove the files configured
self.tracewriter.cfg_write(tgtfn)
return self.tracedir
def stop(self, name, *args, **kargs):
rootdir = kargs.get("trace_dir")
pidfile = joinpths(rootdir, name + ".pid")
stderr = joinpths(rootdir, name + ".stderr")
stdout = joinpths(rootdir, name + ".stdout")
tfname = Trace.trace_fn(rootdir, name)
if(isfile(pidfile) and isfile(tfname)):
pid = int(load_file(pidfile).strip())
killed = False
lastmsg = ""
attempts = 1
for attempt in range(0, MAX_KILL_TRY):
try:
os.kill(pid, signal.SIGKILL)
attempts += 1
except OSError as (ec, msg):
if(ec == errno.ESRCH):
killed = True
break
else:
lastmsg = msg
time.sleep(SLEEP_TIME)
#trash the files
if(killed):
LOG.info("Killed pid %s in %s attempts" % (str(pid), str(attempts)))
LOG.info("Removing pid file %s" % (pidfile))
unlink(pidfile)
LOG.info("Removing stderr file %s" % (stderr))
unlink(stderr)
LOG.info("Removing stdout file %s" % (stdout))
unlink(stdout)
LOG.info("Removing %s trace file %s" % (name, tfname))
unlink(tfname)
else:
msg = "Could not stop program named %s after %s attempts - [%s]" % (name, MAX_KILL_TRY, lastmsg)
raise StopException(msg)
def read(rootdir, name):
pth = trace_fn(rootdir, name)
contents = load_file(pth)
lines = contents.splitlines()
return lines
