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Þ'¯°ÌME[YéïĵÂCå½ Ué©Áû'Ê9%eÔðNU”ë‘ÌsD3/®+UI˜9h.WC”빓$#:pz:YÓ ¿xž* ³$Í +$kñAŠ‹†¢ Uê>¸)_š¬÷©ßAÂÔb9ÇU ¯¾á•9¯ÏÏ÷O÷¼¼Fähal1‰3Ì[Ïr•´UCksNÐ] R‘¸¥H+§Šé†c©vÖÞ0iÓ76s†î!§=ß ¼~Ô'°Ãmäoäš³ªøi1úÉ)³yV8 CLÄØÁ‘WYïi€H6ÖÑiámø^ÈY´°Ñ7¥Û*—Ñ©L«Qƒï—Ùrÿ ›£Ð*š¸ˆL©ˆ$ˆ ÷¾D§9È®«qbqC)–ˆïv´çñsÑVT­Ø, <àïºÀO«Jý·õ àfPìð .wFšir´þ’2_Y *Æ€x\« ì€9š@ Ž|F⇥ˆkZ@hÖÄ0t¿-<“‹qµ¾*ZL¤Ú)&BJpÓF5=$„at*Zš$’ÑtdûÝRI1 2Ž‰$€$I$#‰SÞ’Hë¬ï;Á$¡t$’`<(ñÇt)$‡Ð.Êf¢X’Kt=Éé$‚ˆªè¢oÝëòI%Rgcª÷ŠyI%¡‰ÿ !ñ)´õ $¤ Ô’IIGÿÙimport logging import agent_util import jpype from jpype import java, javax logger = logging.getLogger(__name__) class TomcatJMXPlugin(agent_util.Plugin): """Tomcat Plugin for the FortiMonitor Agent using JMX to collect data.""" textkey = "tomcat_jmx" label = "Tomcat (JMX)" JMX_MAPPING = { # Memory "memory.heap": ( "Heap Memory Usage Used", "java.lang", "Memory", None, "HeapMemoryUsage", "used", "bytes", ), "memory.heap.committed": ( "Heap Memory Usage Committed", "java.lang", "Memory", None, "HeapMemoryUsage", "committed", "bytes", ), "memory.heap.init": ( "Heap Memory Usage Init", "java.lang", "Memory", None, "HeapMemoryUsage", "init", "bytes", ), "memory.heap.max": ( "Heap Memory Usage Max", "java.lang", "Memory", None, "HeapMemoryUsage", "max", "bytes", ), "memory.non_heap": ( "Non-Heap Memory Usage Used", "java.lang", "Memory", None, "NonHeapMemoryUsage", "used", "bytes", ), "memory.non_heap.committed": ( "Non-Heap Memory Usage Committed", "java.lang", "Memory", None, "NonHeapMemoryUsage", "committed", "bytes", ), "memory.non_heap.init": ( "Non-Heap Memory Usage Init", "java.lang", "Memory", None, "NonHeapMemoryUsage", "init", "bytes", ), "memory.non_heap.max": ( "Non-Heap Memory Usage Max", "java.lang", "Memory", None, "NonHeapMemoryUsage", "max", "bytes", ), # Threading "threading.count": ( "Thread Count", "java.lang", "Threading", None, "ThreadCount", None, "count", ), # OS "os.cpu_load.process": ( "OS Process CPU Load", "java.lang", "OperatingSystem", None, "ProcessCpuLoad", None, "percent", ), "os.cpu_load.system": ( "OS System CPU Load", "java.lang", "OperatingSystem", None, "SystemCpuLoad", None, "percent", ), "os.open_file_descriptors": ( "OS Open File Descriptor Count", "java.lang", "OperatingSystem", None, "OpenFileDescriptorCount", None, "count", ), # Class loading "class_loading.loaded_classes": ( "Loaded Class Count", "java.lang", "ClassLoading", None, "LoadedClassCount", None, "count", ), # MemoryPool "memory_pool.eden": ( "Eden Space", "java.lang", "MemoryPool", "Eden Space", "Usage", "used", "bytes", ), "memory_pool.eden.ps": ( "PS Eden Space", "java.lang", "MemoryPool", "PS Eden Space", "Usage", "used", "bytes", ), "memory_pool.eden.par": ( "Par Eden Space", "java.lang", "MemoryPool", "Par Eden Space", "Usage", "used", "bytes", ), "memory_pool.eden.g1": ( "G1 Eden Space", "java.lang", "MemoryPool", "G1 Eden Space", "Usage", "used", "bytes", ), "memory_pool.survivor": ( "Survivor Space", "java.lang", "MemoryPool", "Survivor Space", "Usage", "used", "bytes", ), "memory_pool.survivor.ps": ( "PS Survivor Space", "java.lang", "MemoryPool", "PS Survivor Space", "Usage", "used", "bytes", ), "memory_pool.survivor.par": ( "Par Survivor Space", "java.lang", "MemoryPool", "Par Survivor Space", "Usage", "used", "bytes", ), "memory_pool.survivor.g1": ( "G1 Survivor Space", "java.lang", "MemoryPool", "G1 Survivor Space", "Usage", "used", "bytes", ), "memory_pool.old.ps": ( "PS Old Gen", "java.lang", "MemoryPool", "PS Old Gen", "Usage", "used", "bytes", ), "memory_pool.old.cms": ( "CMS Old Gen", "java.lang", "MemoryPool", "CMS Old Gen", "Usage", "used", "bytes", ), "memory_pool.old.g1": ( "G1 Old Gen", "java.lang", "MemoryPool", "G1 Old Gen", "Usage", "used", "bytes", ), # Garbage Collector "gc.young.copy": ( "Copy", "java.lang", "GarbageCollector", "Copy", "CollectionCount", None, "count", ), "gc.young.ps_scavenge": ( "PS Scavenge", "java.lang", "MemoryPool", "PS Scavenge", "CollectionCount", None, "count", ), "gc.young.par_new": ( "ParNew", "java.lang", "GarbageCollector", "ParNew", "CollectionCount", None, "count", ), "gc.young.g1_generation": ( "G1 Young Generation", "java.lang", "GarbageCollector", "G1 Young Generation", "CollectionCount", None, "count", ), "gc.mixed.g1_generation": ( "G1 Mixed Generation", "java.lang", "GarbageCollector", "G1 Mixed Generation", "CollectionCount", None, "count", ), "gc.old.mark_sweep_compact": ( "MarkSweepCompact", "java.lang", "GarbageCollector", "MarkSweepCompact", "CollectionCount", None, "count", ), "gc.old.ps_mark_sweep": ( "PS MarkSweep", "java.lang", "GarbageCollector", "PS MarkSweep", "CollectionCount", None, "count", ), "gc.old.concurrent_mark_sweep": ( "ConcurrentMarkSweep", "java.lang", "GarbageCollector", "ConcurrentMarkSweep", "CollectionCount", None, "count", ), "gc.old.g1_generation": ( "G1 Old Generation", "java.lang", "GarbageCollector", "G1 Old Generation", "CollectionCount", None, "count", ), } @staticmethod def __get_object_name_from_tuple(tuple_): """returns a constructed ObjectName. :type tuple_: tuple (label, domain, type, bean_name, attribute_name, composite_data_key, unit) :param tuple_: A tuple with all the information for an ObjectName. A string that represents the label, a string that represents the domain, and so on and so forth. :rtype: javax.management.ObjectName :return: An ObjectName object that can be used to lookup a MBean. """ domain, type_, bean_name = tuple_[1], tuple_[2], tuple_[3] canonical_name = "%s:" % domain if bean_name: canonical_name += "name=%s," % bean_name if type_: canonical_name += "type=%s" % type_ return javax.management.ObjectName(canonical_name) @classmethod def get_connections_from_config(cls, config): """ Parse the config object to build a structure of connections parameters based on the number of entries that are in each key. The main parameter we base on to split off is host. :type config: dict (host, port, username, password, jvm_path) :param config: Dictionary with the information stored in the config file. :rtype: Dict :return: Dictionary with connection information split up in multiple if needed. """ keys = ["host", "port", "username", "password", "jvm_path"] data = {} for key in keys: key_value = config.get(key) if not key_value and key not in ("username", "password"): raise ValueError("Missing %s information from config" % key) elif not key_value and key in ("username", "password"): # Username and password are not required continue else: values = [value.strip(" ") for value in key_value.split(",")] data[key] = values connections = {} hosts = data["host"] for index, host in enumerate(hosts): connections[index] = { "host": host, } for key in ["port", "username", "password", "jvm_path"]: if len(data.get(key, [])) > 1: # Multiple entries in this config, use the index to apply. value = data[key][index] elif len(data.get(key, [])) == 1: value = data[key][0] elif key not in ("username", "password"): raise ValueError("Missing %s information from config" % (key)) else: # Username and password can be skipped continue connections[index][key] = value return connections @classmethod def __get_connection(cls, config): """ returns a list of connections from the jpype library - a python interface to the Java Native Interface. Wheter there are 1 or many connections depends on the number of entries in the host, port and optionally username/password/jvm entries. :type config: dict :param config: Mapping of information under the application block for this plugin. :rtype: tuple (status, connection, error_message) :return: A tuple containing a numeric value corresponding to the agent_util status'. A MBeanServerConnection object. And, a string with an error message if any. """ status = agent_util.SUPPORTED msg = None # Check that we have an agent config if not config: msg = "No JMX configuration found" cls.log.info(msg) status = agent_util.MISCONFIGURED # Make sure at least host and port are in the config if "host" not in config or "port" not in config: msg = ( "Missing value in the [%s] block of the agent config file" " (e.g host, port)." ) % cls.textkey cls.log.info(msg) status = agent_util.MISCONFIGURED # Try and get the jvm path from the config jvm_path = config.get("jvm_path") # If we can't find it then try and use the default if not jvm_path: try: jvm_path = jpype.getDefaultJVMPath() if not jvm_path: status = agent_util.MISCONFIGURED msg = ( "Unable to find JVM, please specify 'jvm_path' in" " the [%s] block of the agent config file." ) % cls.textkey cls.log.info(msg) except: status = agent_util.MISCONFIGURED msg = ( "Unable to find JVM, please specify 'jvm_path' in the" " [%s] block of the agent config file." ) % cls.textkey cls.log.info(msg) try: # If the JVM has not been started try and start it if status is agent_util.SUPPORTED and not jpype.isJVMStarted(): jpype.startJVM(jvm_path) except: status = agent_util.MISCONFIGURED msg = "Unable to access JMX metrics because JVM cannot be started." cls.log.info(msg) if status is agent_util.SUPPORTED: try: # Start the JVM if its not started # XXX: Redundant logic - is this necessary? if not jpype.isJVMStarted(): jpype.startJVM(jvm_path) j_hash = java.util.HashMap() # If we have a username and password use it as our credentials if config.get("username") and config.get("password"): j_array = jpype.JArray(java.lang.String)( [config.get("username"), config.get("password")] ) j_hash.put( javax.management.remote.JMXConnector.CREDENTIALS, j_array ) url = "service:jmx:rmi:///jndi/rmi://%s:%s/jmxrmi" % ( config.get("host"), int(config.get("port")), ) jmx_url = javax.management.remote.JMXServiceURL(url) jmx_soc = javax.management.remote.JMXConnectorFactory.connect( jmx_url, j_hash ) connection = jmx_soc.getMBeanServerConnection() return status, connection, None except Exception: msg = ( "Unable to access JMX metrics, JMX is not running or not installed." ) cls.log.exception(msg) return status, None, msg @classmethod def get_metadata(cls, config): """returns a json object who's textkeys correspond to a given metric available on the JVM. :type config: dict :param config: Mapping of information under the application block for this plugin. :return: JSON Object for all metrics """ result = {} configs = cls.get_connections_from_config(config) connections = {} errors = [] for entry in configs.values(): status, connection, msg = cls.__get_connection(entry) connection_key = "%s:%s" % (entry["host"], entry["port"]) if msg: errors.append("%s %s" % (connection_key, msg)) else: connections[connection_key] = connection if not connections.keys(): cls.log.info("Unable to connect to any connection") for msg in errors: cls.log.error(msg) return result else: status = agent_util.SUPPORTED msg = "" for error in errors: cls.log.warning(error) for key, tuple_ in cls.JMX_MAPPING.items(): object_name = cls.__get_object_name_from_tuple(tuple_) # Check to see if the object exists, if it doesnt we will throw # an error which will be handled silently by continuing through # the for loop. options = [] for connection_key, connection in connections.items(): try: connection.getObjectInstance(object_name) options.append(connection_key) except Exception: cls.log.exception( "Tomcat (JMX) plugin - %s bean not found at %s." % (object_name, connection_key) ) continue if len(connections.keys()) >= 1 and not options: # No connection was able to get this value. Set it to unsupported. options = None status = agent_util.UNSUPPORTED msg = "Unreachable %s at any connection" % key else: # We found options. Is supported. msg = "" status = agent_util.SUPPORTED label, unit = tuple_[0], tuple_[6] result[key] = { "label": label, "options": options, "status": status, "error_message": msg, "unit": unit, } return result @classmethod def check(cls, textkey, data, config): """returns a value for the metric. :type textkey: string :param textkey: Canonical name for a metric. :type data: string :param data: Specific option to check for. :type config: dict :param config: Mapping of information under the application block for this plugin. :rtype: double :return: Value for a specific metric """ entries = cls.get_connections_from_config(config) if data: for entry in entries.values(): possible_match = "%s:%s" % (entry["host"], entry["port"]) if possible_match == data: config = entry else: # Default to the first configuration config = entries[0] status, connection, msg = cls.__get_connection(config) if msg: cls.log.info("Failed to get a connection: %s" % msg) return None tuple_ = cls.JMX_MAPPING.get(textkey) attribute_name, composite_data_key = tuple_[4], tuple_[5] # Create an ObjectName object to lookup object_name = cls.__get_object_name_from_tuple(tuple_) try: object_instance = connection.getObjectInstance(object_name) attribute_value = connection.getAttribute( object_instance.getObjectName(), attribute_name ) attribute_class_name = attribute_value.__class__.__name__ # If the object returned is just a numeric value if "CompositeDataSupport" not in attribute_class_name: return attribute_value.floatValue() # If the attribute object does not have the composite data key # return none if not attribute_value.containsKey(composite_data_key): return None # If the object returned is of type CompositeDataSupport return the # correct value from that object check_result = attribute_value.get(composite_data_key) return check_result.floatValue() except: cls.log.info("Tomcat (JMX) plugin - %s bean not found." % object_name) return 0