def test_persistence_fail():
# Assert remove doesn't crap out if a file doesn't exist.
CollectorStatus.remove_latest_status()
CollectorStatus.remove_latest_status()
status = CollectorStatus.load_latest_status()
assert not status
def test_persistence_fail():
# Assert remove doesn't crap out if a file doesn't exist.
CollectorStatus.remove_latest_status()
CollectorStatus.remove_latest_status()
status = CollectorStatus.load_latest_status()
assert not status
def run(self, config=None):
"""Main loop of the collector"""
# Gracefully exit on sigterm.
signal.signal(signal.SIGTERM, self._handle_sigterm)
# Save the agent start-up stats.
CollectorStatus().persist()
# Intialize the collector.
if not config:
config = get_config(parse_args=True)
agentConfig = self._set_agent_config_hostname(config)
systemStats = get_system_stats()
emitters = self._get_emitters(agentConfig)
self.collector = Collector(agentConfig, emitters, systemStats)
# Load the checks.d checks
checksd = load_check_directory(agentConfig)
# Configure the watchdog.
check_frequency = int(agentConfig['check_freq'])
watchdog = self._get_watchdog(check_frequency, agentConfig)
# Run the main loop.
while self.run_forever:
# Do the work.
self.collector.run(checksd=checksd)
# Only plan for the next loop if we will continue,
# otherwise just exit quickly.
if self.run_forever:
if watchdog:
watchdog.reset()
time.sleep(check_frequency)
# Now clean-up.
try:
CollectorStatus.remove_latest_status()
except:
pass
# Explicitly kill the process, because it might be running
# as a daemon.
log.info("Exiting. Bye bye.")
sys.exit(0)
def run(self):
"""Main loop of the collector"""
# Gracefully exit on sigterm.
signal.signal(signal.SIGTERM, self._handle_sigterm)
# Save the agent start-up stats.
CollectorStatus().persist()
# Intialize the collector.
agentConfig = self._set_agent_config_hostname(get_config())
systemStats = get_system_stats()
emitters = self._get_emitters(agentConfig)
self.collector = Collector(agentConfig, emitters, systemStats)
# Load the checks.d checks
checksd = load_check_directory(agentConfig)
# Configure the watchdog.
check_frequency = int(agentConfig['check_freq'])
watchdog = self._get_watchdog(check_frequency, agentConfig)
# Run the main loop.
while self.run_forever:
# Do the work.
self.collector.run(checksd=checksd)
# Only plan for the next loop if we will continue,
# otherwise just exit quickly.
if self.run_forever:
if watchdog:
watchdog.reset()
time.sleep(check_frequency)
# Now clean-up.
try:
CollectorStatus.remove_latest_status()
except:
pass
# Explicitly kill the process, because it might be running
# as a daemon.
agent_logger.info("Exiting. Bye bye.")
sys.exit(0)
def run(self, config=None):
"""Main loop of the collector"""
# Gracefully exit on sigterm.
signal.signal(signal.SIGTERM, self._handle_sigterm)
if not Platform.is_windows():
# A SIGUSR1 signals an exit with an autorestart
signal.signal(signal.SIGUSR1, self._handle_sigusr1)
# Handle Keyboard Interrupt
signal.signal(signal.SIGINT, self._handle_sigterm)
# A SIGHUP signals a configuration reload
signal.signal(signal.SIGHUP, self._handle_sighup)
# Save the agent start-up stats.
CollectorStatus().persist()
# Intialize the collector.
if not config:
config = get_config(parse_args=True)
self._agentConfig = self._set_agent_config_hostname(config)
hostname = get_hostname(self._agentConfig)
systemStats = get_system_stats(proc_path=self._agentConfig.get(
'procfs_path', '/proc').rstrip('/'))
emitters = self._get_emitters()
# Initialize service discovery
if self._agentConfig.get('service_discovery'):
self.sd_backend = get_sd_backend(self._agentConfig)
if _is_affirmative(self._agentConfig.get('sd_jmx_enable', False)):
pipe_path = get_jmx_pipe_path()
if Platform.is_windows():
pipe_name = pipe_path.format(pipename=SD_PIPE_NAME)
else:
pipe_name = os.path.join(pipe_path, SD_PIPE_NAME)
if os.access(pipe_path, os.W_OK):
if not os.path.exists(pipe_name):
os.mkfifo(pipe_name)
self.sd_pipe = os.open(
pipe_name, os.O_RDWR) # RW to avoid blocking (will only W)
# Initialize Supervisor proxy
self.supervisor_proxy = self._get_supervisor_socket(
self._agentConfig)
else:
log.debug(
'Unable to create pipe in temporary directory. JMX service discovery disabled.'
)
# Load the checks.d checks
self._checksd = load_check_directory(self._agentConfig, hostname)
# Load JMX configs if available
if self._jmx_service_discovery_enabled:
jmx_sd_configs = generate_jmx_configs(self._agentConfig, hostname)
if jmx_sd_configs:
self._submit_jmx_service_discovery(jmx_sd_configs)
# Initialize the Collector
self.collector = Collector(self._agentConfig, emitters, systemStats,
hostname)
# In developer mode, the number of runs to be included in a single collector profile
try:
self.collector_profile_interval = int(
self._agentConfig.get('collector_profile_interval',
DEFAULT_COLLECTOR_PROFILE_INTERVAL))
except ValueError:
log.warn('collector_profile_interval is invalid. '
'Using default value instead (%s).' %
DEFAULT_COLLECTOR_PROFILE_INTERVAL)
self.collector_profile_interval = DEFAULT_COLLECTOR_PROFILE_INTERVAL
# Configure the watchdog.
self.check_frequency = int(self._agentConfig['check_freq'])
watchdog = self._get_watchdog(self.check_frequency)
# Initialize the auto-restarter
self.restart_interval = int(
self._agentConfig.get('restart_interval', RESTART_INTERVAL))
self.agent_start = time.time()
self.allow_profiling = self._agentConfig.get('allow_profiling', True)
profiled = False
collector_profiled_runs = 0
# Run the main loop.
while self.run_forever:
# Setup profiling if necessary
if self.allow_profiling and self.in_developer_mode and not profiled:
try:
profiler = AgentProfiler()
profiler.enable_profiling()
profiled = True
except Exception as e:
log.warn("Cannot enable profiler: %s" % str(e))
if self.reload_configs_flag:
if isinstance(self.reload_configs_flag, set):
self.reload_configs(
checks_to_reload=self.reload_configs_flag)
else:
self.reload_configs()
# Do the work. Pass `configs_reloaded` to let the collector know if it needs to
# look for the AgentMetrics check and pop it out.
self.collector.run(
checksd=self._checksd,
start_event=self.start_event,
configs_reloaded=True if self.reload_configs_flag else False)
self.reload_configs_flag = False
# Look for change in the config template store.
# The self.sd_backend.reload_check_configs flag is set
# to True if a config reload is needed.
if self._agentConfig.get('service_discovery') and self.sd_backend and \
not self.sd_backend.reload_check_configs:
try:
self.sd_backend.reload_check_configs = get_config_store(
self._agentConfig).crawl_config_template()
except Exception as e:
log.warn(
'Something went wrong while looking for config template changes: %s'
% str(e))
# Check if we should run service discovery
# The `reload_check_configs` flag can be set through the docker_daemon check or
# using ConfigStore.crawl_config_template
if self._agentConfig.get('service_discovery') and self.sd_backend and \
self.sd_backend.reload_check_configs:
self.reload_configs_flag = self.sd_backend.reload_check_configs
self.sd_backend.reload_check_configs = False
if profiled:
if collector_profiled_runs >= self.collector_profile_interval:
try:
profiler.disable_profiling()
profiled = False
collector_profiled_runs = 0
except Exception as e:
log.warn("Cannot disable profiler: %s" % str(e))
# Check if we should restart.
if self.autorestart and self._should_restart():
self._do_restart()
# Only plan for next loop if we will continue, otherwise exit quickly.
if self.run_forever:
if watchdog:
watchdog.reset()
if profiled:
collector_profiled_runs += 1
log.debug("Sleeping for {0} seconds".format(
self.check_frequency))
time.sleep(self.check_frequency)
# Now clean-up.
try:
CollectorStatus.remove_latest_status()
except Exception:
pass
# Explicitly kill the process, because it might be running as a daemon.
log.info("Exiting. Bye bye.")
sys.exit(0)
def run(self, config=None):
"""Main loop of the collector"""
# Gracefully exit on sigterm.
signal.signal(signal.SIGTERM, self._handle_sigterm)
# A SIGUSR1 signals an exit with an autorestart
signal.signal(signal.SIGUSR1, self._handle_sigusr1)
# Handle Keyboard Interrupt
signal.signal(signal.SIGINT, self._handle_sigterm)
# Save the agent start-up stats.
CollectorStatus().persist()
# Intialize the collector.
if not config:
config = get_config(parse_args=True)
agentConfig = self._set_agent_config_hostname(config)
systemStats = get_system_stats()
emitters = self._get_emitters(agentConfig)
# Load the checks.d checks
checksd = load_check_directory(agentConfig)
self.collector = Collector(agentConfig, emitters, systemStats)
# Configure the watchdog.
check_frequency = int(agentConfig['check_freq'])
watchdog = self._get_watchdog(check_frequency, agentConfig)
# Initialize the auto-restarter
self.restart_interval = int(
agentConfig.get('restart_interval', RESTART_INTERVAL))
self.agent_start = time.time()
# Run the main loop.
while self.run_forever:
# enable profiler if needed
profiled = False
if agentConfig.get(
'profile',
False) and agentConfig.get('profile').lower() == 'yes':
try:
import cProfile
profiler = cProfile.Profile()
profiled = True
profiler.enable()
log.debug("Agent profiling is enabled")
except Exception:
log.warn("Cannot enable profiler")
# Do the work.
self.collector.run(checksd=checksd, start_event=self.start_event)
# disable profiler and printout stats to stdout
if agentConfig.get('profile', False) and agentConfig.get(
'profile').lower() == 'yes' and profiled:
try:
profiler.disable()
import pstats
from cStringIO import StringIO
s = StringIO()
ps = pstats.Stats(profiler,
stream=s).sort_stats("cumulative")
ps.print_stats()
log.debug(s.getvalue())
except Exception:
log.warn("Cannot disable profiler")
# Check if we should restart.
if self.autorestart and self._should_restart():
self._do_restart()
# Only plan for the next loop if we will continue,
# otherwise just exit quickly.
if self.run_forever:
if watchdog:
watchdog.reset()
time.sleep(check_frequency)
# Now clean-up.
try:
CollectorStatus.remove_latest_status()
except Exception:
pass
# Explicitly kill the process, because it might be running
# as a daemon.
log.info("Exiting. Bye bye.")
sys.exit(0)
def run(self, config=None):
"""Main loop of the collector"""
# Gracefully exit on sigterm.
signal.signal(signal.SIGTERM, self._handle_sigterm)
# A SIGUSR1 signals an exit with an autorestart
signal.signal(signal.SIGUSR1, self._handle_sigusr1)
# Handle Keyboard Interrupt
signal.signal(signal.SIGINT, self._handle_sigterm)
# Save the agent start-up stats.
CollectorStatus().persist()
# Intialize the collector.
if not config:
config = get_config(parse_args=True)
agentConfig = self._set_agent_config_hostname(config)
hostname = get_hostname(agentConfig)
systemStats = get_system_stats()
emitters = self._get_emitters(agentConfig)
# Load the checks.d checks
checksd = load_check_directory(agentConfig, hostname)
self.collector = Collector(agentConfig, emitters, systemStats, hostname)
# Configure the watchdog.
check_frequency = int(agentConfig['check_freq'])
watchdog = self._get_watchdog(check_frequency, agentConfig)
# Initialize the auto-restarter
self.restart_interval = int(agentConfig.get('restart_interval', RESTART_INTERVAL))
self.agent_start = time.time()
# Run the main loop.
while self.run_forever:
# enable profiler if needed
profiled = False
if agentConfig.get('profile', False) and agentConfig.get('profile').lower() == 'yes':
try:
import cProfile
profiler = cProfile.Profile()
profiled = True
profiler.enable()
log.debug("Agent profiling is enabled")
except Exception:
log.warn("Cannot enable profiler")
# Do the work.
self.collector.run(checksd=checksd, start_event=self.start_event)
# disable profiler and printout stats to stdout
if agentConfig.get('profile', False) and agentConfig.get('profile').lower() == 'yes' and profiled:
try:
profiler.disable()
import pstats
from cStringIO import StringIO
s = StringIO()
ps = pstats.Stats(profiler, stream=s).sort_stats("cumulative")
ps.print_stats()
log.debug(s.getvalue())
except Exception:
log.warn("Cannot disable profiler")
# Check if we should restart.
if self.autorestart and self._should_restart():
self._do_restart()
# Only plan for the next loop if we will continue,
# otherwise just exit quickly.
if self.run_forever:
if watchdog:
watchdog.reset()
time.sleep(check_frequency)
# Now clean-up.
try:
CollectorStatus.remove_latest_status()
except Exception:
pass
# Explicitly kill the process, because it might be running
# as a daemon.
log.info("Exiting. Bye bye.")
sys.exit(0)
def run(self, config=None):
"""Main loop of the collector"""
# Gracefully exit on sigterm.
signal.signal(signal.SIGTERM, self._handle_sigterm)
# A SIGUSR1 signals an exit with an autorestart
signal.signal(signal.SIGUSR1, self._handle_sigusr1)
# Handle Keyboard Interrupt
signal.signal(signal.SIGINT, self._handle_sigterm)
# A SIGHUP signals a configuration reload
signal.signal(signal.SIGHUP, self._handle_sighup)
# Save the agent start-up stats.
CollectorStatus().persist()
# Intialize the collector.
if not config:
config = get_config(parse_args=True)
self._agentConfig = self._set_agent_config_hostname(config)
hostname = get_hostname(self._agentConfig)
systemStats = get_system_stats(
proc_path=self._agentConfig.get('procfs_path', '/proc').rstrip('/')
)
emitters = self._get_emitters()
# Initialize service discovery
if self._agentConfig.get('service_discovery'):
self.sd_backend = get_sd_backend(self._agentConfig)
if _is_affirmative(self._agentConfig.get('sd_jmx_enable')):
pipe_path = get_jmx_pipe_path()
if Platform.is_windows():
pipe_name = pipe_path.format(pipename=SD_PIPE_NAME)
else:
pipe_name = os.path.join(pipe_path, SD_PIPE_NAME)
if os.access(pipe_path, os.W_OK):
if not os.path.exists(pipe_name):
os.mkfifo(pipe_name)
self.sd_pipe = os.open(pipe_name, os.O_RDWR) # RW to avoid blocking (will only W)
# Initialize Supervisor proxy
self.supervisor_proxy = self._get_supervisor_socket(self._agentConfig)
else:
log.debug('Unable to create pipe in temporary directory. JMX service discovery disabled.')
# Load the checks.d checks
self._checksd = load_check_directory(self._agentConfig, hostname)
# Load JMX configs if available
if self._jmx_service_discovery_enabled:
jmx_sd_configs = generate_jmx_configs(self._agentConfig, hostname)
if jmx_sd_configs:
self._submit_jmx_service_discovery(jmx_sd_configs)
# Initialize the Collector
self.collector = Collector(self._agentConfig, emitters, systemStats, hostname)
# In developer mode, the number of runs to be included in a single collector profile
try:
self.collector_profile_interval = int(
self._agentConfig.get('collector_profile_interval', DEFAULT_COLLECTOR_PROFILE_INTERVAL))
except ValueError:
log.warn('collector_profile_interval is invalid. '
'Using default value instead (%s).' % DEFAULT_COLLECTOR_PROFILE_INTERVAL)
self.collector_profile_interval = DEFAULT_COLLECTOR_PROFILE_INTERVAL
# Configure the watchdog.
self.check_frequency = int(self._agentConfig['check_freq'])
watchdog = self._get_watchdog(self.check_frequency)
# Initialize the auto-restarter
self.restart_interval = int(self._agentConfig.get('restart_interval', RESTART_INTERVAL))
self.agent_start = time.time()
self.allow_profiling = self._agentConfig.get('allow_profiling', True)
profiled = False
collector_profiled_runs = 0
# Run the main loop.
while self.run_forever:
# Setup profiling if necessary
if self.allow_profiling and self.in_developer_mode and not profiled:
try:
profiler = AgentProfiler()
profiler.enable_profiling()
profiled = True
except Exception as e:
log.warn("Cannot enable profiler: %s" % str(e))
if self.reload_configs_flag:
if isinstance(self.reload_configs_flag, set):
self.reload_configs(checks_to_reload=self.reload_configs_flag)
else:
self.reload_configs()
# Do the work. Pass `configs_reloaded` to let the collector know if it needs to
# look for the AgentMetrics check and pop it out.
self.collector.run(checksd=self._checksd,
start_event=self.start_event,
configs_reloaded=True if self.reload_configs_flag else False)
self.reload_configs_flag = False
# Look for change in the config template store.
# The self.sd_backend.reload_check_configs flag is set
# to True if a config reload is needed.
if self._agentConfig.get('service_discovery') and self.sd_backend and \
not self.sd_backend.reload_check_configs:
try:
self.sd_backend.reload_check_configs = get_config_store(
self._agentConfig).crawl_config_template()
except Exception as e:
log.warn('Something went wrong while looking for config template changes: %s' % str(e))
# Check if we should run service discovery
# The `reload_check_configs` flag can be set through the docker_daemon check or
# using ConfigStore.crawl_config_template
if self._agentConfig.get('service_discovery') and self.sd_backend and \
self.sd_backend.reload_check_configs:
self.reload_configs_flag = self.sd_backend.reload_check_configs
self.sd_backend.reload_check_configs = False
if profiled:
if collector_profiled_runs >= self.collector_profile_interval:
try:
profiler.disable_profiling()
profiled = False
collector_profiled_runs = 0
except Exception as e:
log.warn("Cannot disable profiler: %s" % str(e))
# Check if we should restart.
if self.autorestart and self._should_restart():
self._do_restart()
# Only plan for next loop if we will continue, otherwise exit quickly.
if self.run_forever:
if watchdog:
watchdog.reset()
if profiled:
collector_profiled_runs += 1
log.debug("Sleeping for {0} seconds".format(self.check_frequency))
time.sleep(self.check_frequency)
# Now clean-up.
try:
CollectorStatus.remove_latest_status()
except Exception:
pass
# Explicitly kill the process, because it might be running as a daemon.
log.info("Exiting. Bye bye.")
sys.exit(0)
def run(self, config=None):
"""Main loop of the collector"""
# Gracefully exit on sigterm.
signal.signal(signal.SIGTERM, self._handle_sigterm)
# A SIGUSR1 signals an exit with an autorestart
signal.signal(signal.SIGUSR1, self._handle_sigusr1)
# Handle Keyboard Interrupt
signal.signal(signal.SIGINT, self._handle_sigterm)
# Save the agent start-up stats.
CollectorStatus().persist()
# Intialize the collector.
if not config:
config = get_config(parse_args=True)
agentConfig = self._set_agent_config_hostname(config)
systemStats = get_system_stats()
emitters = self._get_emitters(agentConfig)
# Load the checks.d checks
checksd = load_check_directory(agentConfig)
self.collector = Collector(agentConfig, emitters, systemStats)
# Configure the watchdog.
check_frequency = int(agentConfig['check_freq'])
watchdog = self._get_watchdog(check_frequency, agentConfig)
# Initialize the auto-restarter
self.restart_interval = int(
agentConfig.get('restart_interval', RESTART_INTERVAL))
self.agent_start = time.time()
# Run the main loop.
while self.run_forever:
# Do the work.
self.collector.run(checksd=checksd, start_event=self.start_event)
# Check if we should restart.
if self.autorestart and self._should_restart():
self._do_restart()
# Only plan for the next loop if we will continue,
# otherwise just exit quickly.
if self.run_forever:
if watchdog:
watchdog.reset()
time.sleep(check_frequency)
# Now clean-up.
try:
CollectorStatus.remove_latest_status()
except:
pass
# Explicitly kill the process, because it might be running
# as a daemon.
log.info("Exiting. Bye bye.")
sys.exit(0)
def run(self, config=None):
signal.signal(signal.SIGTERM, self._handle_sigterm)
signal.signal(signal.SIGUSR1, self._handle_sigusr1)
signal.signal(signal.SIGINT, self._handle_sigterm)
signal.signal(signal.SIGHUP, self._handle_sighup)
CollectorStatus().persist()
if not config:
config = get_config(parse_args=True)
self._agentConfig = self._set_agent_config_hostname(config)
hostname = get_hostname(self._agentConfig)
systemStats = get_system_stats()
emitters = self._get_emitters()
self._checksd = load_check_directory(self._agentConfig, hostname)
self.collector = Collector(self._agentConfig, emitters, systemStats, hostname)
self.collector_profile_interval = self._agentConfig.get('collector_profile_interval',
DEFAULT_COLLECTOR_PROFILE_INTERVAL)
self.check_frequency = int(self._agentConfig['check_freq'])
watchmonitor = self._get_watchmonitor(self.check_frequency)
self.restart_interval = int(self._agentConfig.get('restart_interval', RESTART_INTERVAL))
self.agent_start = time.time()
profiled = False
collector_profiled_runs = 0
while self.run_forever:
log.debug("Found {num_checks} checks".format(num_checks=len(self._checksd['initialized_checks'])))
if self.in_developer_mode and not profiled:
try:
profiler = AgentProfiler()
profiler.enable_profiling()
profiled = True
except Exception as e:
log.warn("Cannot enable profiler: %s" % str(e))
self.collector.run(checksd=self._checksd,
start_event=self.start_event,
configs_reloaded=self.configs_reloaded)
if self.configs_reloaded:
self.configs_reloaded = False
if profiled:
if collector_profiled_runs >= self.collector_profile_interval:
try:
profiler.disable_profiling()
profiled = False
collector_profiled_runs = 0
except Exception as e:
log.warn("Cannot disable profiler: %s" % str(e))
if self.autorestart and self._should_restart():
self._do_restart()
if self.run_forever:
if watchmonitor:
watchmonitor.reset()
if profiled:
collector_profiled_runs += 1
log.debug("Sleeping for {0} seconds".format(self.check_frequency))
time.sleep(self.check_frequency)
try:
CollectorStatus.remove_latest_status()
except Exception:
pass
log.info("Exiting. Bye bye.")
sys.exit(0)
def run(self, config=None):
"""Main loop of the collector"""
# Gracefully exit on sigterm.
signal.signal(signal.SIGTERM, self._handle_sigterm)
# A SIGUSR1 signals an exit with an autorestart
signal.signal(signal.SIGUSR1, self._handle_sigusr1)
# Handle Keyboard Interrupt
signal.signal(signal.SIGINT, self._handle_sigterm)
# A SIGHUP signals a configuration reload
signal.signal(signal.SIGHUP, self._handle_sighup)
# Save the agent start-up stats.
CollectorStatus().persist()
# Intialize the collector.
if not config:
config = get_config(parse_args=True)
self._agentConfig = self._set_agent_config_hostname(config)
hostname = get_hostname(self._agentConfig)
systemStats = get_system_stats()
emitters = self._get_emitters()
# Initialize service discovery
if self._agentConfig.get("service_discovery"):
self.sd_backend = get_sd_backend(self._agentConfig)
# Load the checks.d checks
self._checksd = load_check_directory(self._agentConfig, hostname)
# Initialize the Collector
self.collector = Collector(self._agentConfig, emitters, systemStats, hostname)
# In developer mode, the number of runs to be included in a single collector profile
self.collector_profile_interval = self._agentConfig.get(
"collector_profile_interval", DEFAULT_COLLECTOR_PROFILE_INTERVAL
)
# Configure the watchdog.
self.check_frequency = int(self._agentConfig["check_freq"])
watchdog = self._get_watchdog(self.check_frequency)
# Initialize the auto-restarter
self.restart_interval = int(self._agentConfig.get("restart_interval", RESTART_INTERVAL))
self.agent_start = time.time()
profiled = False
collector_profiled_runs = 0
# Run the main loop.
while self.run_forever:
log.debug("Found {num_checks} checks".format(num_checks=len(self._checksd["initialized_checks"])))
# Setup profiling if necessary
if self.in_developer_mode and not profiled:
try:
profiler = AgentProfiler()
profiler.enable_profiling()
profiled = True
except Exception as e:
log.warn("Cannot enable profiler: %s" % str(e))
# Do the work.
self.collector.run(
checksd=self._checksd, start_event=self.start_event, configs_reloaded=self.configs_reloaded
)
# This flag is used to know if the check configs have been reloaded at the current
# run of the agent yet or not. It's used by the collector to know if it needs to
# look for the AgentMetrics check and pop it out.
# See: https://github.com/DataDog/dd-agent/blob/5.6.x/checks/collector.py#L265-L272
self.configs_reloaded = False
# Look for change in the config template store.
# The self.sd_backend.reload_check_configs flag is set
# to True if a config reload is needed.
if (
self._agentConfig.get("service_discovery")
and self.sd_backend
and not self.sd_backend.reload_check_configs
):
try:
self.sd_backend.reload_check_configs = get_config_store(self._agentConfig).crawl_config_template()
except Exception as e:
log.warn("Something went wrong while looking for config template changes: %s" % str(e))
# Check if we should run service discovery
# The `reload_check_configs` flag can be set through the docker_daemon check or
# using ConfigStore.crawl_config_template
if self._agentConfig.get("service_discovery") and self.sd_backend and self.sd_backend.reload_check_configs:
self.reload_configs()
self.configs_reloaded = True
self.sd_backend.reload_check_configs = False
if profiled:
if collector_profiled_runs >= self.collector_profile_interval:
try:
profiler.disable_profiling()
profiled = False
collector_profiled_runs = 0
except Exception as e:
log.warn("Cannot disable profiler: %s" % str(e))
# Check if we should restart.
if self.autorestart and self._should_restart():
self._do_restart()
# Only plan for next loop if we will continue, otherwise exit quickly.
if self.run_forever:
if watchdog:
watchdog.reset()
if profiled:
collector_profiled_runs += 1
log.debug("Sleeping for {0} seconds".format(self.check_frequency))
time.sleep(self.check_frequency)
# Now clean-up.
try:
CollectorStatus.remove_latest_status()
except Exception:
pass
# Explicitly kill the process, because it might be running as a daemon.
log.info("Exiting. Bye bye.")
sys.exit(0)
def run(self, config=None):
"""Main loop of the collector"""
# Gracefully exit on sigterm.
signal.signal(signal.SIGTERM, self._handle_sigterm)
# A SIGUSR1 signals an exit with an autorestart
signal.signal(signal.SIGUSR1, self._handle_sigusr1)
# Handle Keyboard Interrupt
signal.signal(signal.SIGINT, self._handle_sigterm)
# A SIGHUP signals a configuration reload
signal.signal(signal.SIGHUP, self._handle_sighup)
# Save the agent start-up stats.
CollectorStatus().persist()
# Intialize the collector.
if not config:
config = get_config(parse_args=True)
self._agentConfig = self._set_agent_config_hostname(config)
hostname = get_hostname(self._agentConfig)
systemStats = get_system_stats(proc_path=self._agentConfig.get(
'procfs_path', '/proc').rstrip('/'))
emitters = self._get_emitters()
# Initialize service discovery
if self._agentConfig.get('service_discovery'):
self.sd_backend = get_sd_backend(self._agentConfig)
# Load the checks.d checks
self._checksd = load_check_directory(self._agentConfig, hostname)
# Initialize the Collector
self.collector = Collector(self._agentConfig, emitters, systemStats,
hostname)
# In developer mode, the number of runs to be included in a single collector profile
self.collector_profile_interval = self._agentConfig.get(
'collector_profile_interval', DEFAULT_COLLECTOR_PROFILE_INTERVAL)
# Configure the watchdog.
self.check_frequency = int(self._agentConfig['check_freq'])
watchdog = self._get_watchdog(self.check_frequency)
# Initialize the auto-restarter
self.restart_interval = int(
self._agentConfig.get('restart_interval', RESTART_INTERVAL))
self.agent_start = time.time()
profiled = False
collector_profiled_runs = 0
# Run the main loop.
while self.run_forever:
log.debug("Found {num_checks} checks".format(
num_checks=len(self._checksd['initialized_checks'])))
# Setup profiling if necessary
if self.in_developer_mode and not profiled:
try:
profiler = AgentProfiler()
profiler.enable_profiling()
profiled = True
except Exception as e:
log.warn("Cannot enable profiler: %s" % str(e))
# Do the work.
self.collector.run(checksd=self._checksd,
start_event=self.start_event,
configs_reloaded=self.configs_reloaded)
# This flag is used to know if the check configs have been reloaded at the current
# run of the agent yet or not. It's used by the collector to know if it needs to
# look for the AgentMetrics check and pop it out.
# See: https://github.com/DataDog/dd-agent/blob/5.6.x/checks/collector.py#L265-L272
self.configs_reloaded = False
# Look for change in the config template store.
# The self.sd_backend.reload_check_configs flag is set
# to True if a config reload is needed.
if self._agentConfig.get('service_discovery') and self.sd_backend and \
not self.sd_backend.reload_check_configs:
try:
self.sd_backend.reload_check_configs = get_config_store(
self._agentConfig).crawl_config_template()
except Exception as e:
log.warn(
'Something went wrong while looking for config template changes: %s'
% str(e))
# Check if we should run service discovery
# The `reload_check_configs` flag can be set through the docker_daemon check or
# using ConfigStore.crawl_config_template
if self._agentConfig.get('service_discovery') and self.sd_backend and \
self.sd_backend.reload_check_configs:
self.reload_configs()
self.configs_reloaded = True
self.sd_backend.reload_check_configs = False
if profiled:
if collector_profiled_runs >= self.collector_profile_interval:
try:
profiler.disable_profiling()
profiled = False
collector_profiled_runs = 0
except Exception as e:
log.warn("Cannot disable profiler: %s" % str(e))
# Check if we should restart.
if self.autorestart and self._should_restart():
self._do_restart()
# Only plan for next loop if we will continue, otherwise exit quickly.
if self.run_forever:
if watchdog:
watchdog.reset()
if profiled:
collector_profiled_runs += 1
log.debug("Sleeping for {0} seconds".format(
self.check_frequency))
time.sleep(self.check_frequency)
# Now clean-up.
try:
CollectorStatus.remove_latest_status()
except Exception:
pass
# Explicitly kill the process, because it might be running as a daemon.
log.info("Exiting. Bye bye.")
sys.exit(0)
def run(self, config=None):
"""Main loop of the collector"""
# Gracefully exit on sigterm.
signal.signal(signal.SIGTERM, self._handle_sigterm)
# A SIGUSR1 signals an exit with an autorestart
signal.signal(signal.SIGUSR1, self._handle_sigusr1)
# Handle Keyboard Interrupt
signal.signal(signal.SIGINT, self._handle_sigterm)
# Save the agent start-up stats.
CollectorStatus().persist()
# Intialize the collector.
if not config:
config = get_config(parse_args=True)
agentConfig = self._set_agent_config_hostname(config)
hostname = get_hostname(agentConfig)
systemStats = get_system_stats()
emitters = self._get_emitters(agentConfig)
# Load the checks.d checks
checksd = load_check_directory(agentConfig, hostname)
self.collector = Collector(agentConfig, emitters, systemStats,
hostname)
# In developer mode, the number of runs to be included in a single collector profile
collector_profile_interval = agentConfig.get(
'collector_profile_interval', DEFAULT_COLLECTOR_PROFILE_INTERVAL)
# Configure the watchdog.
check_frequency = int(agentConfig['check_freq'])
watchdog = self._get_watchdog(check_frequency, agentConfig)
# Initialize the auto-restarter
self.restart_interval = int(
agentConfig.get('restart_interval', RESTART_INTERVAL))
self.agent_start = time.time()
profiled = False
collector_profiled_runs = 0
# Run the main loop.
while self.run_forever:
# Setup profiling if necessary
if self.in_developer_mode and not profiled:
try:
profiler = AgentProfiler()
profiler.enable_profiling()
profiled = True
except Exception as e:
log.warn("Cannot enable profiler: %s" % str(e))
# Do the work.
self.collector.run(checksd=checksd, start_event=self.start_event)
if profiled:
if collector_profiled_runs >= collector_profile_interval:
try:
profiler.disable_profiling()
profiled = False
collector_profiled_runs = 0
except Exception as e:
log.warn("Cannot disable profiler: %s" % str(e))
# Check if we should restart.
if self.autorestart and self._should_restart():
self._do_restart()
# Only plan for the next loop if we will continue,
# otherwise just exit quickly.
if self.run_forever:
if watchdog:
watchdog.reset()
if profiled:
collector_profiled_runs += 1
time.sleep(check_frequency)
# Now clean-up.
try:
CollectorStatus.remove_latest_status()
except Exception:
pass
# Explicitly kill the process, because it might be running
# as a daemon.
log.info("Exiting. Bye bye.")
sys.exit(0)
def run(self, config=None):
"""Main loop of the collector"""
# Gracefully exit on sigterm.
signal.signal(signal.SIGTERM, self._handle_sigterm)
# A SIGUSR1 signals an exit with an autorestart
signal.signal(signal.SIGUSR1, self._handle_sigusr1)
# Handle Keyboard Interrupt
signal.signal(signal.SIGINT, self._handle_sigterm)
# Save the agent start-up stats.
CollectorStatus().persist()
# Intialize the collector.
if not config:
config = get_config(parse_args=True)
agentConfig = self._set_agent_config_hostname(config)
systemStats = get_system_stats()
emitters = self._get_emitters(agentConfig)
# Load the checks.d checks
checksd = load_check_directory(agentConfig)
self.collector = Collector(agentConfig, emitters, systemStats)
# Configure the watchdog.
check_frequency = int(agentConfig['check_freq'])
watchdog = self._get_watchdog(check_frequency, agentConfig)
# Initialize the auto-restarter
self.restart_interval = int(agentConfig.get('restart_interval', RESTART_INTERVAL))
self.agent_start = time.time()
# Run the main loop.
while self.run_forever:
# Do the work.
self.collector.run(checksd=checksd, start_event=self.start_event)
# Check if we should restart.
if self.autorestart and self._should_restart():
self._do_restart()
# Only plan for the next loop if we will continue,
# otherwise just exit quickly.
if self.run_forever:
if watchdog:
watchdog.reset()
time.sleep(check_frequency)
# Now clean-up.
try:
CollectorStatus.remove_latest_status()
except Exception:
pass
# Explicitly kill the process, because it might be running
# as a daemon.
log.info("Exiting. Bye bye.")
sys.exit(0)
def run(self, config=None):
"""Main loop of the collector"""
# Gracefully exit on sigterm.
signal.signal(signal.SIGTERM, self._handle_sigterm)
# A SIGUSR1 signals an exit with an autorestart
signal.signal(signal.SIGUSR1, self._handle_sigusr1)
# Handle Keyboard Interrupt
signal.signal(signal.SIGINT, self._handle_sigterm)
# A SIGHUP signals a configuration reload
signal.signal(signal.SIGHUP, self._handle_sighup)
# Save the agent start-up stats.
CollectorStatus().persist()
# Intialize the collector.
if not config:
config = get_config(parse_args=True)
self._agentConfig = self._set_agent_config_hostname(config)
hostname = get_hostname(self._agentConfig)
systemStats = get_system_stats()
emitters = self._get_emitters()
# Load the checks.d checks
self._checksd = load_check_directory(self._agentConfig, hostname)
# Initialize the Collector
self.collector = Collector(self._agentConfig, emitters, systemStats, hostname)
# In developer mode, the number of runs to be included in a single collector profile
self.collector_profile_interval = self._agentConfig.get('collector_profile_interval',
DEFAULT_COLLECTOR_PROFILE_INTERVAL)
# Configure the watchdog.
self.check_frequency = int(self._agentConfig['check_freq'])
watchdog = self._get_watchdog(self.check_frequency)
# Initialize the auto-restarter
self.restart_interval = int(self._agentConfig.get('restart_interval', RESTART_INTERVAL))
self.agent_start = time.time()
profiled = False
collector_profiled_runs = 0
# Run the main loop.
while self.run_forever:
log.debug("Found {num_checks} checks".format(num_checks=len(self._checksd['initialized_checks'])))
# Setup profiling if necessary
if self.in_developer_mode and not profiled:
try:
profiler = AgentProfiler()
profiler.enable_profiling()
profiled = True
except Exception as e:
log.warn("Cannot enable profiler: %s" % str(e))
# Do the work.
self.collector.run(checksd=self._checksd,
start_event=self.start_event,
configs_reloaded=self.configs_reloaded)
if self.configs_reloaded:
self.configs_reloaded = False
if profiled:
if collector_profiled_runs >= self.collector_profile_interval:
try:
profiler.disable_profiling()
profiled = False
collector_profiled_runs = 0
except Exception as e:
log.warn("Cannot disable profiler: %s" % str(e))
# Check if we should restart.
if self.autorestart and self._should_restart():
self._do_restart()
# Only plan for next loop if we will continue, otherwise exit quickly.
if self.run_forever:
if watchdog:
watchdog.reset()
if profiled:
collector_profiled_runs += 1
log.info("Sleeping for {0} seconds".format(self.check_frequency))
time.sleep(self.check_frequency)
# Now clean-up.
try:
CollectorStatus.remove_latest_status()
except Exception:
pass
# Explicitly kill the process, because it might be running as a daemon.
log.info("Exiting. Bye bye.")
sys.exit(0)