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Define health check for `BindException` on enforced TCP port (#11145)

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Jesse Glick 2025-10-04 16:12:07 -04:00 committed by GitHub
parent b1fe658d39
commit 9f200b11b6
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1 changed files with 11 additions and 0 deletions
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core/src/main/java/hudson/TcpSlaveAgentListener.java
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@ -50,6 +50,7 @@ import java.util.Base64;
import java.util.logging.Level; import java.util.logging.Level;
import java.util.logging.Logger; import java.util.logging.Logger;
import jenkins.AgentProtocol; import jenkins.AgentProtocol;
import jenkins.health.HealthCheck;
import jenkins.model.Jenkins; import jenkins.model.Jenkins;
import jenkins.model.identity.InstanceIdentityProvider; import jenkins.model.identity.InstanceIdentityProvider;
import jenkins.security.stapler.StaplerAccessibleType; import jenkins.security.stapler.StaplerAccessibleType;
@ -445,4 +446,14 @@ public final class TcpSlaveAgentListener extends Thread {
@SuppressFBWarnings(value = "MS_SHOULD_BE_FINAL", justification = "Accessible via System Groovy Scripts") @SuppressFBWarnings(value = "MS_SHOULD_BE_FINAL", justification = "Accessible via System Groovy Scripts")
@Restricted(NoExternalUse.class) @Restricted(NoExternalUse.class)
public static Integer CLI_PORT = SystemProperties.getInteger(TcpSlaveAgentListener.class.getName() + ".port"); public static Integer CLI_PORT = SystemProperties.getInteger(TcpSlaveAgentListener.class.getName() + ".port");
@Extension
public static final class EnforcedPortHealthCheck implements HealthCheck {
@Override
public boolean check() {
var j = Jenkins.get();
return !j.isSlaveAgentPortEnforced() || j.getSlaveAgentPort() <= 0 || j.getTcpSlaveAgentListener() != null;
}
}
} }