def _start_node(self, node_configuration, node_count_on_host, java_major_version):
host_name = node_configuration.ip
node_name = node_configuration.node_name
car = node_configuration.car
binary_path = node_configuration.binary_path
data_paths = node_configuration.data_paths
node_telemetry_dir = "%s/telemetry" % node_configuration.node_root_path
self.logger.info("Starting node [%s] based on car [%s].", node_name, car)
enabled_devices = self.cfg.opts("mechanic", "telemetry.devices")
telemetry_params = self.cfg.opts("mechanic", "telemetry.params")
node_telemetry = [
telemetry.FlightRecorder(telemetry_params, node_telemetry_dir, java_major_version),
telemetry.JitCompiler(node_telemetry_dir),
telemetry.Gc(node_telemetry_dir, java_major_version),
telemetry.PerfStat(node_telemetry_dir),
telemetry.DiskIo(self.metrics_store, node_count_on_host),
telemetry.CpuUsage(self.metrics_store),
telemetry.NodeEnvironmentInfo(self.metrics_store),
telemetry.IndexSize(data_paths, self.metrics_store),
telemetry.MergeParts(self.metrics_store, node_configuration.log_path),
telemetry.StartupTime(self.metrics_store),
]
t = telemetry.Telemetry(enabled_devices, devices=node_telemetry)
env = self._prepare_env(car, node_name, t)
t.on_pre_node_start(node_name)
node_process = self._start_process(env, node_name, binary_path)
node = cluster.Node(node_process, host_name, node_name, t)
self.logger.info("Node [%s] has successfully started. Attaching telemetry devices.", node_name)
t.attach_to_node(node)
self.logger.info("Telemetry devices are now attached to node [%s].", node_name)
return node
def _start_node(self, node, car, es, binary_path):
node_name = self._node_name(node)
host_name = socket.gethostname()
enabled_devices = self.cfg.opts("mechanic", "telemetry.devices")
node_telemetry = [
telemetry.FlightRecorder(self.node_telemetry_dir),
telemetry.JitCompiler(self.node_telemetry_dir),
telemetry.Gc(self.node_telemetry_dir),
telemetry.PerfStat(self.node_telemetry_dir),
telemetry.DiskIo(self.metrics_store),
telemetry.CpuUsage(self.metrics_store),
telemetry.EnvironmentInfo(es, self.metrics_store),
]
t = telemetry.Telemetry(enabled_devices, devices=node_telemetry)
env = self._prepare_env(car, node_name, t)
cmd = self.prepare_cmd(car, node_name)
process = self._start_process(cmd, env, node_name, binary_path)
node = cluster.Node(process, host_name, node_name, t)
logger.info("Cluster node [%s] has successfully started. Attaching telemetry devices to node." % node_name)
t.attach_to_node(node)
logger.info("Telemetry devices are now attached to node [%s]." % node_name)
return node
def _start_node(self, node, car, es):
node_name = self._node_name(node)
host_name = socket.gethostname()
node_telemetry = [
telemetry.FlightRecorder(self.cfg, self.metrics_store),
telemetry.JitCompiler(self.cfg, self.metrics_store),
telemetry.Gc(self.cfg, self.metrics_store),
telemetry.PerfStat(self.cfg, self.metrics_store),
telemetry.DiskIo(self.cfg, self.metrics_store),
telemetry.CpuUsage(self.cfg, self.metrics_store),
telemetry.EnvironmentInfo(self.cfg, es, self.metrics_store),
]
t = telemetry.Telemetry(self.cfg, devices=node_telemetry)
env = self._prepare_env(car, node_name, t)
cmd = self.prepare_cmd(car, node_name)
process = self._start_process(cmd, env, node_name)
node = cluster.Node(process, host_name, node_name, t)
t.attach_to_node(node)
return node
