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/*
*
* Copyright (c) 2019-2020 Payara Foundation and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* https://github.com/payara/Payara/blob/master/LICENSE.txt
* See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at glassfish/legal/LICENSE.txt.
*
* GPL Classpath Exception:
* The Payara Foundation designates this particular file as subject to the "Classpath"
* exception as provided by the Payara Foundation in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
* If applicable, add the following below the License Header, with the fields
* enclosed by brackets [] replaced by your own identifying information:
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* If you wish your version of this file to be governed by only the CDDL or
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* recipient has the option to distribute your version of this file under
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package fish.payara.nucleus.healthcheck.admin;
import java.beans.PropertyVetoException;
import java.util.Arrays;
import java.util.Properties;
import java.util.function.BiConsumer;
import java.util.logging.Level;
import java.util.logging.Logger;
import java.util.stream.Collectors;
import javax.inject.Inject;
import javax.validation.constraints.Max;
import javax.validation.constraints.Min;
import org.glassfish.api.ActionReport;
import org.glassfish.api.I18n;
import org.glassfish.api.Param;
import org.glassfish.api.admin.AdminCommand;
import org.glassfish.api.admin.AdminCommandContext;
import org.glassfish.api.admin.CommandLock;
import org.glassfish.api.admin.ExecuteOn;
import org.glassfish.api.admin.RestEndpoint;
import org.glassfish.api.admin.RestEndpoints;
import org.glassfish.api.admin.RuntimeType;
import org.glassfish.api.admin.ServerEnvironment;
import org.glassfish.config.support.CommandTarget;
import org.glassfish.config.support.TargetType;
import org.glassfish.hk2.api.PerLookup;
import org.glassfish.hk2.api.ServiceLocator;
import org.glassfish.internal.api.Target;
import org.jvnet.hk2.annotations.Service;
import org.jvnet.hk2.config.ConfigSupport;
import org.jvnet.hk2.config.TransactionFailure;
import org.jvnet.hk2.config.types.Property;
import com.sun.enterprise.config.serverbeans.Config;
import com.sun.enterprise.config.serverbeans.Domain;
import com.sun.enterprise.util.LocalStringManagerImpl;
import com.sun.enterprise.util.SystemPropertyConstants;
import fish.payara.nucleus.healthcheck.HealthCheckConstants;
import fish.payara.nucleus.healthcheck.HealthCheckExecutionOptions;
import fish.payara.nucleus.healthcheck.HealthCheckService;
import fish.payara.nucleus.healthcheck.configuration.Checker;
import fish.payara.nucleus.healthcheck.configuration.CheckerConfigurationType;
import fish.payara.nucleus.healthcheck.configuration.CheckerType;
import fish.payara.nucleus.healthcheck.configuration.HealthCheckServiceConfiguration;
import fish.payara.nucleus.healthcheck.configuration.HoggingThreadsChecker;
import fish.payara.nucleus.healthcheck.configuration.MicroProfileMetricsChecker;
import fish.payara.nucleus.healthcheck.configuration.StuckThreadsChecker;
import fish.payara.nucleus.healthcheck.configuration.ThresholdDiagnosticsChecker;
import fish.payara.nucleus.healthcheck.preliminary.BaseHealthCheck;
import fish.payara.nucleus.healthcheck.preliminary.BaseThresholdHealthCheck;
import java.util.List;
import fish.payara.nucleus.healthcheck.configuration.MonitoredMetric;
/**
* Service to configure individual specific {@link BaseHealthCheck} service directly using dynamic or their
* {@link Checker} configuration.
*
* Depending on the concrete {@link Checker} type the are more parameters that have an effect.
*
* @author Jan Bernitt
* @since 5.191
*/
@Service(name = "set-healthcheck-service-configuration")
@PerLookup
@CommandLock(CommandLock.LockType.NONE)
@I18n("healthcheck.configure.service")
@ExecuteOn({RuntimeType.DAS,RuntimeType.INSTANCE})
@TargetType({CommandTarget.DAS, CommandTarget.STANDALONE_INSTANCE, CommandTarget.CLUSTER, CommandTarget.CLUSTERED_INSTANCE, CommandTarget.CONFIG})
@RestEndpoints({
@RestEndpoint(configBean = HealthCheckServiceConfiguration.class,
opType = RestEndpoint.OpType.POST,
path = "set-healthcheck-service-configuration",
description = "Enables/Disables Health Check Service Specified With Name")
})
public class SetHealthCheckServiceConfiguration implements AdminCommand {
final private static LocalStringManagerImpl strings = new LocalStringManagerImpl(SetHealthCheckServiceConfiguration.class);
@Inject
private ServiceLocator habitat;
@Inject
private Target targetUtil;
@Inject
private Logger logger;
@Inject
private HealthCheckService healthCheckService;
@Inject
private ServerEnvironment server;
@Inject
private Domain domain;
// target params:
@Param(name = "target", optional = true, defaultValue = SystemPropertyConstants.DEFAULT_SERVER_INSTANCE_NAME)
private String target;
private Config targetConfig;
@Param(name = "service", alias = "serviceName")
private String serviceName;
private CheckerType serviceType;
@Param(name = "dynamic", optional = true, defaultValue = "false")
private boolean dynamic;
// general properties params:
@Param(name = "checker-name", alias = "checkerName", optional = true)
private String checkerName;
@Param(name = "add-to-microprofile-health", alias = "addToMicroProfileHealth",
optional = true, defaultValue = "false")
private Boolean addToMicroProfileHealth;
@Param(name = "enabled", optional = true)
private Boolean enabled;
@Param(name = "time", optional = true)
@Min(value = 1, message = "Time period must be 1 or more")
private String time;
@Param(name = "time-unit", alias = "unit", optional = true,
acceptableValues = "DAYS,HOURS,MICROSECONDS,MILLISECONDS,MINUTES,NANOSECONDS,SECONDS")
private String timeUnit;
// hogging threads properties params:
@Param(name = "hogging-threads-threshold", alias = "threshold-percentage", optional = true)
@Min(value = 0, message = "Hogging threads threshold is a percentage so must be greater than zero")
@Max(value = 100, message ="Hogging threads threshold is a percentage so must be less than 100")
private String hogginThreadsThreshold;
@Min(value = 0, message = "Hogging threads retry count must be zero or more")
@Param(name = "hogging-threads-retry-count", alias = "retry-count", optional = true)
private String hogginThreadsRetryCount;
// stuck threads property params:
@Param(name = "stuck-threads-threshold", alias = "threshold", optional = true)
@Min(value = 1, message = "Threshold length must be 1 or more")
private String stuckThreadsThreshold;
@Param(name = "stuck-threads-threshold-unit", alias = "thresholdUnit", optional = true,
acceptableValues = "DAYS,HOURS,MILLISECONDS,MINUTES,SECONDS")
private String stuckThreadsThresholdUnit;
// threshold properties params:
@Param(name = "threshold-critical", alias = "thresholdCritical", optional = true,
defaultValue = HealthCheckConstants.THRESHOLD_DEFAULTVAL_CRITICAL)
@Min(value = 0, message = "Critical threshold is a percentage so must be greater than zero")
@Max(value = 100, message ="Critical threshold is a percentage so must be less than 100")
private String thresholdCritical;
@Param(name = "threshold-warning", alias = "thresholdWarning", optional = true,
defaultValue = HealthCheckConstants.THRESHOLD_DEFAULTVAL_WARNING)
@Min(value = 0, message = "Warning threshold is a percentage so must be greater than zero")
@Max(value = 100, message ="Wanring threshold is a percentage so must be less than 100")
private String thresholdWarning;
@Param(name = "threshold-good", alias = "thresholdGood", optional = true,
defaultValue = HealthCheckConstants.THRESHOLD_DEFAULTVAL_GOOD)
@Min(value = 0, message = "Good threshold is a percentage so must be greater than zero")
@Max(value = 100, message ="Good threshold is a percentage so must be less than 100")
private String thresholdGood;
// microprofile metrics properties params:
@Param(name = "add-metric", optional = true, multiple = true, alias = "addMetric")
private List metricsToAdd;
@Param(name = "delete-metric", optional = true, multiple = true, alias = "deleteMetric")
private List metricsToRemove;
private ActionReport report;
@Override
public void execute(AdminCommandContext context) {
report = context.getActionReport();
if (report.getExtraProperties() == null) {
report.setExtraProperties(new Properties());
}
targetConfig = targetUtil.getConfig(target);
serviceType = parseServiceType(serviceName);
if (serviceType == null) {
String values = Arrays.asList(CheckerType.values())
.stream().map(type -> type.name().toLowerCase().replace('_', '-')).collect(Collectors.joining(", "));
report.setMessage("No such service: " + serviceName + ".\nChoose one of: " + values
+ ".\nThe name can also be given in short form consisting only of the first letters of each word.");
report.setActionExitCode(ActionReport.ExitCode.FAILURE);
return;
}
// update the service to unify the way it is printed later on
serviceName = serviceType.name().toLowerCase().replace('_', '-');
BaseHealthCheck service = getService();
if (service == null) {
report.appendMessage(strings.getLocalString("healthcheck.service.configure.status.error",
"Service with name {0} could not be found.", serviceName));
report.setActionExitCode(ActionReport.ExitCode.FAILURE);
return;
}
updateServiceConfiguration(service);
}
/**
* Gives the {@link CheckerType} for its name case insensitive. Underscores in the enum name should be given as
* dash.
*
* The name can also be given in short form consisting only of the first letters of each word.
*/
private static CheckerType parseServiceType(String serviceName) {
if (serviceName.length() < 4) {
for (CheckerType type : CheckerType.values()) {
if (Arrays.asList(type.name().split("_")).stream().map(w -> w.charAt(0) + "")
.collect(Collectors.joining("")).equals(serviceName.toUpperCase())) {
return type;
}
}
} else {
try {
return CheckerType.valueOf(serviceName.toUpperCase().replace('-', '_'));
} catch (IllegalArgumentException ex) {
// fall through
}
}
return null;
}
private BaseHealthCheck getService() {
for (BaseHealthCheck service : habitat.getAllServices(BaseHealthCheck.class)) {
if (service.getCheckerType().getAnnotation(CheckerConfigurationType.class).type() == serviceType)
return service;
}
return null;
}
private void updateServiceConfiguration(BaseHealthCheck service) {
HealthCheckServiceConfiguration config = targetConfig.getExtensionByType(HealthCheckServiceConfiguration.class);
final Class checkerType = service.getCheckerType();
C checker = config.getCheckerByType(checkerType);
try {
if (checker == null) {
ConfigSupport.apply(configProxy-> {
Checker newChecker = configProxy.createChild(checkerType);
configProxy.getCheckerList().add(newChecker);
updateProperties(newChecker, checkerType);
return configProxy;
}, config);
} else {
ConfigSupport.apply(proxy -> updateProperties(proxy, checkerType), checker);
}
if (ThresholdDiagnosticsChecker.class.isAssignableFrom(checkerType)) {
ThresholdDiagnosticsChecker thresholdDiagnosisConfig = (ThresholdDiagnosticsChecker) config
.getCheckerByType(checkerType); // get updated checker
updateProperty(thresholdDiagnosisConfig, HealthCheckConstants.THRESHOLD_CRITICAL, thresholdCritical);
updateProperty(thresholdDiagnosisConfig, HealthCheckConstants.THRESHOLD_WARNING, thresholdWarning);
updateProperty(thresholdDiagnosisConfig, HealthCheckConstants.THRESHOLD_GOOD, thresholdGood);
}
report.setActionExitCode(ActionReport.ExitCode.SUCCESS);
}
catch (TransactionFailure ex) {
logger.log(Level.WARNING, "Exception during command ", ex);
report.setMessage(ex.getCause().getMessage());
report.setActionExitCode(ActionReport.ExitCode.FAILURE);
}
if (dynamic && (!server.isDas() || targetConfig.isDas())) {
configureDynamically(service, config.getCheckerByType(checkerType));
}
}
private void configureDynamically(
BaseHealthCheck service, C config) {
service.setOptions(service.constructOptions(config));
boolean register = true;
//This prevents MicroProfileMetricsChecker for registering without monitored metrics
if (config instanceof MicroProfileMetricsChecker) {
MicroProfileMetricsChecker checker = (MicroProfileMetricsChecker) config;
if (checker.getMonitoredMetrics().isEmpty()) {
register = false;
}
}
if (register) {
healthCheckService.registerCheck(config.getName(), service);
healthCheckService.reboot();
}
if (service instanceof BaseThresholdHealthCheck) {
configureDynamically((BaseThresholdHealthCheck) service);
}
}
private void configureDynamically(BaseThresholdHealthCheck service) {
if (thresholdCritical != null) {
service.getOptions().setThresholdCritical(Integer.valueOf(thresholdCritical));
report.appendMessage(strings.getLocalString(
"healthcheck.service.configure.threshold.critical.success",
"Critical threshold for {0} service is set with value {1}.", serviceName, thresholdCritical));
report.appendMessage("\n");
}
if (thresholdWarning != null) {
service.getOptions().setThresholdWarning(Integer.valueOf(thresholdWarning));
report.appendMessage(strings.getLocalString("healthcheck.service.configure.threshold.warning.success",
"Warning threshold for {0} service is set with value {1}.", serviceName, thresholdWarning));
report.appendMessage("\n");
}
if (thresholdGood != null) {
service.getOptions().setThresholdGood(Integer.valueOf(thresholdGood));
report.appendMessage(strings.getLocalString("healthcheck.service.configure.threshold.good.success",
"Good threshold for {0} service is set with value {1}.", serviceName, thresholdGood));
report.appendMessage("\n");
}
}
private Checker updateProperties(Checker config, Class type) throws PropertyVetoException, TransactionFailure {
if (enabled != null) {
updateProperty(config, "enabled", config.getEnabled(), enabled.toString(), Checker::setEnabled);
}
updateProperty(config, "checker-name", config.getName(), checkerName, Checker::setName);
updateProperty(config, "add-to-microprofile-health", config.getAddToMicroProfileHealth(),
addToMicroProfileHealth.toString(), Checker::setAddToMicroProfileHealth);
updateProperty(config, "time", config.getTime(), time, Checker::setTime);
updateProperty(config, "time-unit", config.getUnit(), timeUnit, Checker::setUnit);
updateProperty(config, "checker-name", config.getName(), checkerName, Checker::setName);
if (HoggingThreadsChecker.class.isAssignableFrom(type)) {
HoggingThreadsChecker hoggingThreadsConfig = (HoggingThreadsChecker) config;
updateProperty(hoggingThreadsConfig, "hogging-threads-threshold", hoggingThreadsConfig.getThresholdPercentage(),
hogginThreadsThreshold, HoggingThreadsChecker::setThresholdPercentage);
updateProperty(hoggingThreadsConfig, "hogging-threads-retry-count", hoggingThreadsConfig.getRetryCount(),
hogginThreadsRetryCount, HoggingThreadsChecker::setRetryCount);
}
if (StuckThreadsChecker.class.isAssignableFrom(type)) {
StuckThreadsChecker stuckThreadsConfig = (StuckThreadsChecker) config;
updateProperty(stuckThreadsConfig, "stuck-threads-threshold", stuckThreadsConfig.getThreshold(),
stuckThreadsThreshold, StuckThreadsChecker::setThreshold);
updateProperty(stuckThreadsConfig, "stuck-threads-threshold-unit", stuckThreadsConfig.getThresholdTimeUnit(),
stuckThreadsThresholdUnit, StuckThreadsChecker::setThresholdTimeUnit);
}
if (MicroProfileMetricsChecker.class.isAssignableFrom(type)) {
MicroProfileMetricsChecker microProfileMetricsConfig = (MicroProfileMetricsChecker) config;
// This is required as the child resources is not created if the name is not set.
microProfileMetricsConfig.setName(config.getName());
List metrics = microProfileMetricsConfig.getMonitoredMetrics();
if (metricsToRemove != null && !metricsToRemove.isEmpty()) {
for (String metricToRemove : metricsToRemove) {
MonitoredMetric monitoredMetric = parseToMonitoredMetric(metricToRemove, microProfileMetricsConfig.createChild(MonitoredMetric.class));
boolean removed = false;
for (MonitoredMetric metric : metrics) {
if (metric.equals(monitoredMetric)) {
metrics.remove(metric);
report.appendMessage("Metric 'metricName=" + monitoredMetric.getMetricName() + "' successfully deleted." + "\n");
removed = true;
break;
}
}
if (!removed) {
report.appendMessage("Metric 'metricName=" + monitoredMetric.getMetricName() + "' doesn't exist, so was ignored." + "\n");
}
}
}
if (metricsToAdd != null && !metricsToAdd.isEmpty()) {
for (String metricToAdd : metricsToAdd) {
MonitoredMetric monitoredMetric = parseToMonitoredMetric(metricToAdd, microProfileMetricsConfig.createChild(MonitoredMetric.class));
boolean metricExists = false;
for (MonitoredMetric metric : metrics) {
if (metric.equals(monitoredMetric)) {
metricExists = true;
report.appendMessage("Metric 'metricName=" + monitoredMetric.getMetricName() + "' already exists, so was ignored." + "\n");
break;
}
}
if (!metricExists) {
metrics.add(monitoredMetric);
report.appendMessage("Metric 'metricName=" + monitoredMetric.getMetricName() + "' successfully added." + "\n");
}
}
}
}
return config;
}
private MonitoredMetric parseToMonitoredMetric(String input, MonitoredMetric monitoredMetric) throws PropertyVetoException {
String[] metricTokens = input.split("(?=metricName ?=)|(?=description ?=)");
String metricName = null;
String description = null;
if (metricTokens.length < 1) {
throw new IllegalArgumentException("No metric property was available. The required metric property is 'metricName'.");
}
for (String token : metricTokens) {
token = token.replaceAll("\\\\", "");
String[] param = token.split("=", 2);
if (param.length != 2) {
throw new IllegalArgumentException("Incorrectly formatted metric property. Correct format is 'metricName=MetricName'.");
}
switch (param[0]) {
case "metricName":
metricName = param[1].trim();
break;
case "description":
description = param[1].trim();
break;
default:
throw new IllegalArgumentException("Unknown metric property: " + param[0] + ". Valid metric properties are: 'metricName' and 'description'.");
}
}
if (metricName == null || metricName.isEmpty()) {
throw new IllegalArgumentException("Invalid metric property: " + metricName);
}
monitoredMetric.setMetricName(metricName);
if (description != null) {
monitoredMetric.setDescription(description);
}
return monitoredMetric;
}
/**
* Updates the named property in the given config with the given value. If the property does not exist it is
* created.
*/
private void updateProperty(ThresholdDiagnosticsChecker config, final String name, final String value)
throws TransactionFailure {
Property prop = config.getProperty(name);
if (prop == null) {
ConfigSupport.apply(configProxy -> {
Property newProp = configProxy.createChild(Property.class);
updateProperty(newProp, name, value);
configProxy.getProperty().add(newProp);
return configProxy;
}, config);
} else {
ConfigSupport.apply(propertyProxy -> {
updateProperty(propertyProxy, name, value);
return propertyProxy;
}, prop);
}
}
private void updateProperty(Property prop, String name, String value) throws PropertyVetoException {
String from = prop.getValue();
if (value != null && !value.equals(from)) {
report.appendMessage(serviceName + "." + name +" was " + from + " set to " + value + "\n");
prop.setName(name);
prop.setValue(value);
}
}
private void updateProperty(T config, String name, String from, String to, PropertyBiConsumer setter) throws PropertyVetoException {
if (to != null && !to.equals(from)) {
report.appendMessage(serviceName + "." + name +" was " + from + " set to " + to + "\n");
try {
setter.accept(config, to.toString());
} catch (RuntimeException ex) {
if (ex.getCause() != null && PropertyVetoException.class.isAssignableFrom(ex.getCause().getClass())) {
throw (PropertyVetoException) ex.getCause();
}
throw ex;
}
}
}
@FunctionalInterface
static interface PropertyBiConsumer extends BiConsumer {
@Override
default void accept(A a, B b) {
try {
acceptChange(a, b);
} catch (PropertyVetoException e) {
throw new RuntimeException(e);
}
}
void acceptChange(A a, B b) throws PropertyVetoException;
}
}
