Package de.iip_ecosphere.platform.monitoring.prometheus

Class PrometheusLifecycleDescriptor

java.lang.Object

de.iip_ecosphere.platform.monitoring.prometheus.PrometheusLifecycleDescriptor

All Implemented Interfaces:

de.iip_ecosphere.platform.support.LifecycleDescriptor

public class PrometheusLifecycleDescriptor
extends Object
implements de.iip_ecosphere.platform.support.LifecycleDescriptor

Platform lifecycle descriptor for prometheus monitoring. Unpacks and starts prometheus.

Author:

bettelsc

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
private class	PrometheusLifecycleDescriptor.ModifierRunnable	Processes all modification requests.

Field Summary

Fields

Modifier and Type	Field	Description
private AlertManagerImporter	alertImporter
static final String	ALERTMGR
static final String	ALERTMGR_CONFIG
static final String	ALERTMGR_VERSION
private Process	alertMgrProcess
private Supplier<AlertManagerImporter>	alertMgrSupplier
private static boolean	debug
private IipEcospherePrometheusExporter	exporter
private Supplier<IipEcospherePrometheusExporter>	exporterSupplier
private Deque<ConfigModifier>	modifierQueue
private PrometheusLifecycleDescriptor.ModifierRunnable	modifierRunnable
private Supplier<ConfigModifier>	modifierSupplier
static final String	PROMETHEUS
static final String	PROMETHEUS_CONFIG
static final String	PROMETHEUS_CONFIG_INITIAL
static final String	PROMETHEUS_VERSION
private Process	prometheusProcess
private File	prometheusWorkingDirectory
static final String	RESOURCES

Fields inherited from interface de.iip_ecosphere.platform.support.LifecycleDescriptor

AAS_PRIORITY, CMD_LINE_PRIORITY, INIT_PRIORITY

Constructor Summary

Constructors

Constructor	Description
PrometheusLifecycleDescriptor()

Method Summary

Modifier and Type	Method	Description
void	deleteWorkingFiles()	Deletes all files used in prometheus run.
private static List<ConfigModifier.ScrapeEndpoint>	getDefaultScrapePoints()	Returns the default scrape points.
IipEcospherePrometheusExporter	getExporter()	Returns the exporter instance.
private static InputStream	getResource(String name)	Returns a resource to use.
Thread	getShutdownHook()
int	priority()
static void	setDebugFlag(boolean flag)	Allows changing the debug flag.
void	setExporterSupplier(Supplier<IipEcospherePrometheusExporter> supplier)	Defines the exporter supplier.
void	shutdown()
void	startup(String[] args)
private void	updateConfiguration(ConfigModifier modifier, boolean notify)	Updates the prometheus configuration.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

PROMETHEUS

public static final String PROMETHEUS

See Also:

• Constant Field Values

PROMETHEUS_VERSION

public static final String PROMETHEUS_VERSION

See Also:

• Constant Field Values

ALERTMGR

public static final String ALERTMGR

See Also:

• Constant Field Values

ALERTMGR_VERSION

public static final String ALERTMGR_VERSION

See Also:

• Constant Field Values

PROMETHEUS_CONFIG_INITIAL

public static final String PROMETHEUS_CONFIG_INITIAL

See Also:

• Constant Field Values

PROMETHEUS_CONFIG

public static final String PROMETHEUS_CONFIG

See Also:

• Constant Field Values

ALERTMGR_CONFIG

public static final String ALERTMGR_CONFIG

See Also:

• Constant Field Values

RESOURCES

public static final String RESOURCES

See Also:

• Constant Field Values

debug

private static boolean debug

prometheusProcess

private Process prometheusProcess

alertMgrProcess

private Process alertMgrProcess

prometheusWorkingDirectory

private File prometheusWorkingDirectory

exporter

private IipEcospherePrometheusExporter exporter

alertImporter

private AlertManagerImporter alertImporter

modifierRunnable

private PrometheusLifecycleDescriptor.ModifierRunnable modifierRunnable

modifierQueue

private Deque<ConfigModifier> modifierQueue

exporterSupplier

private Supplier<IipEcospherePrometheusExporter> exporterSupplier

alertMgrSupplier

private Supplier<AlertManagerImporter> alertMgrSupplier

modifierSupplier

private Supplier<ConfigModifier> modifierSupplier

Constructor Details

PrometheusLifecycleDescriptor

public PrometheusLifecycleDescriptor()

Method Details

getDefaultScrapePoints

private static List<ConfigModifier.ScrapeEndpoint> getDefaultScrapePoints()

Returns the default scrape points.

Returns:

the default scrape points

setDebugFlag

public static void setDebugFlag(boolean flag)

Allows changing the debug flag. [testing, debugging]

Parameters:

flag - the new value of the debug flag, true with prometheus debug information

updateConfiguration

private void updateConfiguration(ConfigModifier modifier,
 boolean notify)

Updates the prometheus configuration. Rules may follow.

Parameters:

modifier - the modifier to use

notify - notify prometheus about the change, e.g., after initial writing

getResource

private static InputStream getResource(String name)
                                throws IOException

Returns a resource to use.

Parameters:

name - the name of the resource

Returns:

the resource

Throws:

IOException - if the resource can (finally) not be loaded

startup

public void startup(String[] args)

Specified by:

startup in interface de.iip_ecosphere.platform.support.LifecycleDescriptor

setExporterSupplier

public void setExporterSupplier(Supplier<IipEcospherePrometheusExporter> supplier)

Defines the exporter supplier.

Parameters:

supplier - the supplier

deleteWorkingFiles

public void deleteWorkingFiles()

Deletes all files used in prometheus run.

getExporter

public IipEcospherePrometheusExporter getExporter()

Returns the exporter instance. [testing]

Returns:

the exporter instance

shutdown

public void shutdown()

Specified by:

shutdown in interface de.iip_ecosphere.platform.support.LifecycleDescriptor

getShutdownHook

public Thread getShutdownHook()

Specified by:

getShutdownHook in interface de.iip_ecosphere.platform.support.LifecycleDescriptor

priority

public int priority()

Specified by:

priority in interface de.iip_ecosphere.platform.support.LifecycleDescriptor