-
Notifications
You must be signed in to change notification settings - Fork 2.7k
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Print messages about ports that can't change at runtime for K8s
- Loading branch information
Showing
4 changed files
with
110 additions
and
10 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
84 changes: 84 additions & 0 deletions
84
...illa/deployment/src/main/java/io/quarkus/kubernetes/deployment/RuntimePropertiesUtil.java
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,84 @@ | ||
package io.quarkus.kubernetes.deployment; | ||
|
||
import java.util.Map; | ||
import java.util.Optional; | ||
|
||
import org.eclipse.microprofile.config.ConfigProvider; | ||
import org.jboss.logging.Logger; | ||
|
||
import io.dekorate.kubernetes.config.Port; | ||
|
||
/** | ||
* Utility to handling runtime properties. | ||
*/ | ||
public final class RuntimePropertiesUtil { | ||
|
||
private static final Logger LOG = Logger.getLogger(KubernetesDeployer.class); | ||
|
||
private static final String CONTAINER_PORT = "the container port"; | ||
/** | ||
* List of ports that are linked to a runtime property. | ||
*/ | ||
private static final Map<String, RuntimeProperty> PORTS = Map.of( | ||
"http", new RuntimeProperty<>("quarkus.http.port", Integer.class, 8080, CONTAINER_PORT), | ||
"https", new RuntimeProperty<>("quarkus.http.ssl-port", Integer.class, 8443, CONTAINER_PORT), | ||
"management", new RuntimeProperty<>("quarkus.management.port", Integer.class, 9000, CONTAINER_PORT)); | ||
|
||
private RuntimePropertiesUtil() { | ||
|
||
} | ||
|
||
/** | ||
* This method will return the port number that is configured from the runtime property. If the runtime property does not | ||
* return any value, it will return the default value that is defined in the {@link RuntimePropertiesUtil#PORTS} map. | ||
*/ | ||
public static Integer getPortNumberFromRuntime(String name) { | ||
RuntimeProperty runtimeProperty = PORTS.get(name); | ||
if (runtimeProperty != null) { | ||
return (Integer) runtimeProperty.getValue().orElse(runtimeProperty.defaultValue); | ||
} | ||
|
||
return null; | ||
} | ||
|
||
/** | ||
* This method will trace an informative message to let users know that runtime properties that are used in the generated | ||
* resources by Kubernetes can't change again at runtime. | ||
* | ||
* For example, for users that set a runtime property "quarkus.http.port=9000" at build time, Kubernetes will use this value | ||
* in the generated resources. Then, when running the application in Kubernetes, if users try to modify again the | ||
* runtime property "quarkus.http.port" to a different value, this won't work because the generated resources already took | ||
* the 9000 value. | ||
* | ||
* Note that this message won't be printed if the users didn't provide the runtime property at build time. | ||
*/ | ||
public static void printTraceIfRuntimePropertyIsSet(String target, Port port) { | ||
RuntimeProperty runtimeProperty = PORTS.get(port.getName()); | ||
if (runtimeProperty != null) { | ||
var runtimePropertyValue = runtimeProperty.getValue(); | ||
if (runtimePropertyValue.isPresent()) { | ||
LOG.info(String.format("The '%s' manifests are generated with %s '%s' having value '%d'. " | ||
+ "The app and manifests will get out of sync if the property '%s' is changed at runtime.", | ||
target, runtimeProperty.usage, port.getName(), port.getContainerPort(), runtimeProperty.propertyName)); | ||
} | ||
} | ||
} | ||
|
||
private static class RuntimeProperty<T> { | ||
private final String propertyName; | ||
private final Class<T> clazzOfValue; | ||
private final T defaultValue; | ||
private final String usage; | ||
|
||
public RuntimeProperty(String propertyName, Class<T> clazzOfValue, T defaultValue, String usage) { | ||
this.propertyName = propertyName; | ||
this.clazzOfValue = clazzOfValue; | ||
this.defaultValue = defaultValue; | ||
this.usage = usage; | ||
} | ||
|
||
public Optional<T> getValue() { | ||
return ConfigProvider.getConfig().getOptionalValue(propertyName, clazzOfValue); | ||
} | ||
} | ||
} |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters