libvirt = None
log = logging.getLogger(__name__)
# Relevant configuration options must be set in 'conf.d/libvirt.yaml'
# file under 'init_config'.
# eg.
# init_config:
# libvirt_type: kvm
# libvirt_uri: qemu:///system
#
# 'libvirt_type' valid choices: ('kvm', 'lxc', 'qemu', 'uml', 'xen')
# 'libvirt_uri' is dependent on 'libvirt_type'
paths = util.Paths()
conf_path = os.path.join(paths.get_confd_path(), 'libvirt.yaml')
config = configuration.Config()
if os.path.exists(conf_path):
try:
check_config = config.check_yaml(conf_path)
except Exception as e:
log.exception('Unable to parse yaml config in {}\n{}'.format(
conf_path, str(e)))
else:
log.debug('No conf.d/libvirt.yaml found for virt/libvirt/inspector.py')
init_config = check_config.get('init_config', {})
if init_config is None:
def main():
options, args = util.get_parsed_args()
config = cfg.Config()
collector_config = config.get_config(['Main', 'Api', 'Logging'])
# todo autorestart isn't used remove
autorestart = collector_config.get('autorestart', False)
COMMANDS = [
'start',
'stop',
'restart',
'foreground',
'status',
'info',
'check',
'check_all',
'configcheck',
'jmx',
]
if len(args) < 1:
sys.stderr.write("Usage: %s %s\n" % (sys.argv[0], "|".join(COMMANDS)))
return 2
command = args[0]
if command not in COMMANDS:
sys.stderr.write("Unknown command: %s\n" % command)
return 3
pid_file = util.PidFile('monasca-agent')
if options.clean:
pid_file.clean()
agent = CollectorDaemon(pid_file.get_path(), autorestart)
if command in START_COMMANDS:
log.info('Agent version %s' % config.get_version())
if 'start' == command:
log.info('Start daemon')
agent.start()
elif 'stop' == command:
log.info('Stop daemon')
agent.stop()
elif 'restart' == command:
log.info('Restart daemon')
agent.restart()
elif 'status' == command:
agent.status()
elif 'info' == command:
return agent.info(verbose=options.verbose)
elif 'foreground' == command:
logging.info('Running in foreground')
if autorestart:
# Set-up the supervisor callbacks and fork it.
logging.info('Running Agent with auto-restart ON')
def child_func():
agent.run()
def parent_func():
agent.start_event = False
monasca_agent.common.daemon.AgentSupervisor.start(parent_func, child_func)
else:
# Run in the standard foreground.
agent.run(collector_config)
elif 'check' == command:
check_name = args[1]
checks = util.load_check_directory()
for check in checks['initialized_checks']:
if check.name == check_name:
run_check(check)
elif 'check_all' == command:
print("Loading check directory...")
checks = util.load_check_directory()
print("...directory loaded.\n")
for check in checks['initialized_checks']:
run_check(check)
elif 'configcheck' == command or 'configtest' == command:
osname = util.get_os()
all_valid = True
paths = util.Paths()
for conf_path in glob.glob(os.path.join(paths.get_confd_path(), "*.yaml")):
basename = os.path.basename(conf_path)
try:
config.check_yaml(conf_path)
except Exception as e:
all_valid = False
print("%s contains errors:\n %s" % (basename, e))
else:
print("%s is valid" % basename)
if all_valid:
print("All yaml files passed. You can now run the Monitoring agent.")
return 0
else:
print("Fix the invalid yaml files above in order to start the Monitoring agent. "
"A useful external tool for yaml parsing can be found at "
"http://yaml-online-parser.appspot.com/")
return 1
elif 'jmx' == command:
if len(args) < 2 or args[1] not in jmxfetch.JMX_LIST_COMMANDS.keys():
print("#" * 80)
print("JMX tool to be used to help configure your JMX checks.")
print("See http://docs.datadoghq.com/integrations/java/ for more information")
print("#" * 80)
print("\n")
print("You have to specify one of the following commands:")
for command, desc in jmxfetch.JMX_LIST_COMMANDS.iteritems():
print(" - %s [OPTIONAL: LIST OF CHECKS]: %s" % (command, desc))
print("Example: sudo /etc/init.d/monasca-agent jmx list_matching_attributes tomcat jmx solr")
print("\n")
else:
jmx_command = args[1]
checks_list = args[2:]
paths = util.Paths()
confd_path = paths.get_confd_path()
# Start JMXFetch if needed
should_run = jmxfetch.JMXFetch.init(confd_path,
config,
15,
jmx_command,
checks_list,
reporter="console")
if not should_run:
print("Couldn't find any valid JMX configuration in your conf.d directory: %s" % confd_path)
print("Have you enabled any JMX checks ?")
return 0
def main():
options, args = util.get_parsed_args()
config = cfg.Config()
collector_config = config.get_config(['Main', 'Api', 'Logging'])
# todo autorestart isn't used remove
autorestart = collector_config.get('autorestart', False)
COMMANDS = [
'start',
'stop',
'restart',
'foreground',
'status',
'info',
'check',
'check_all',
'configcheck',
'jmx',
]
if len(args) < 1:
sys.stderr.write("Usage: %s %s\n" % (sys.argv[0], "|".join(COMMANDS)))
return 2
command = args[0]
if command not in COMMANDS:
sys.stderr.write("Unknown command: %s\n" % command)
return 3
pid_file = util.PidFile('monasca-agent')
if options.clean:
pid_file.clean()
agent = CollectorDaemon(pid_file.get_path(), autorestart)
if command in START_COMMANDS:
log.info('Agent version %s' % config.get_version())
if 'start' == command:
log.info('Start daemon')
agent.start()
elif 'stop' == command:
log.info('Stop daemon')
agent.stop()
elif 'restart' == command:
log.info('Restart daemon')
agent.restart()
elif 'status' == command:
agent.status()
elif 'info' == command:
return agent.info(verbose=options.verbose)
elif 'foreground' == command:
logging.info('Running in foreground')
if autorestart:
# Set-up the supervisor callbacks and fork it.
logging.info('Running Agent with auto-restart ON')
def child_func():
agent.run()
def parent_func():
agent.start_event = False
monasca_agent.common.daemon.AgentSupervisor.start(parent_func, child_func)
else:
# Run in the standard foreground.
agent.run(collector_config)
elif 'check' == command:
check_name = args[1]
checks = util.load_check_directory()
for check in checks['initialized_checks']:
if check.name == check_name:
run_check(check)
elif 'check_all' == command:
print("Loading check directory...")
checks = util.load_check_directory()
print("...directory loaded.\n")
for check in checks['initialized_checks']:
run_check(check)
elif 'configcheck' == command or 'configtest' == command:
all_valid = True
paths = util.Paths()
for conf_path in glob.glob(os.path.join(paths.get_confd_path(), "*.yaml")):
basename = os.path.basename(conf_path)
try:
config.check_yaml(conf_path)
except Exception as e:
all_valid = False
print("%s contains errors:\n %s" % (basename, e))
else:
print("%s is valid" % basename)
if all_valid:
print("All yaml files passed. You can now run the Monitoring agent.")
return 0
else:
print("Fix the invalid yaml files above in order to start the Monitoring agent. "
"A useful external tool for yaml parsing can be found at "
"http://yaml-online-parser.appspot.com/")
return 1