Allow editing of params at any time

Currently it is only possible to edit command line parameters in dev mode after the application has exited. This means that if you have long running applications (or accidently hang your app) you can't restart with different parameters.
quarkusio · Mar 20, 2023 · 664f048 · 664f048
1 parent d870b54
commit 664f048
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Showing 3 changed files with 31 additions and 25 deletions.
diff --git a/core/deployment/src/main/java/io/quarkus/deployment/console/ConsoleStateManager.java b/core/deployment/src/main/java/io/quarkus/deployment/console/ConsoleStateManager.java
@@ -26,10 +26,13 @@
 import java.util.logging.Level;
 import java.util.stream.Collectors;
 
+import org.jboss.logging.Logger;
 import org.jboss.logmanager.LogManager;
 
 import io.quarkus.deployment.dev.RuntimeUpdatesProcessor;
+import io.quarkus.deployment.dev.testing.MessageFormat;
 import io.quarkus.deployment.dev.testing.TestSupport;
+import io.quarkus.deployment.util.CommandLineUtil;
 import io.quarkus.dev.console.QuarkusConsole;
 import io.quarkus.dev.spi.DevModeType;
 
@@ -97,6 +100,25 @@ void installBuiltins(DevModeType devModeType) {
             commands.add(new ConsoleCommand('s', "Force restart", null, () -> {
                 forceRestart();
             }));
+            commands.add(new ConsoleCommand('e', "Edits the command line parameters and restarts",
+                    "to edit command line args (currently '" + MessageFormat.GREEN
+                            + String.join(" ", RuntimeUpdatesProcessor.INSTANCE.getCommandLineArgs()) + MessageFormat.RESET
+                            + "')",
+                    100, new ConsoleCommand.HelpState(() -> BLUE,
+                            () -> String.join(" ", RuntimeUpdatesProcessor.INSTANCE.getCommandLineArgs())),
+                    new Consumer<String>() {
+                        @Override
+                        public void accept(String args) {
+                            try {
+                                RuntimeUpdatesProcessor.INSTANCE.setCommandLineArgs(
+                                        CommandLineUtil.translateCommandline(args));
+                            } catch (Exception e) {
+                                Logger.getLogger(ConsoleStateManager.class).errorf(e, "Failed to parse command line %s", args);
+                                return;
+                            }
+                            RuntimeUpdatesProcessor.INSTANCE.doScan(true, true);
+                        }
+                    }));
 
             commands.add(new ConsoleCommand('i', "Toggle instrumentation based reload",
                     new ConsoleCommand.HelpState(() -> RuntimeUpdatesProcessor.INSTANCE.instrumentationEnabled()), () -> {

diff --git a/core/deployment/src/main/java/io/quarkus/deployment/dev/IsolatedDevModeMain.java b/core/deployment/src/main/java/io/quarkus/deployment/dev/IsolatedDevModeMain.java
@@ -1,7 +1,5 @@
 package io.quarkus.deployment.dev;
 
-import static io.quarkus.deployment.dev.testing.MessageFormat.BLUE;
-
 import java.io.ByteArrayInputStream;
 import java.io.ByteArrayOutputStream;
 import java.io.Closeable;
@@ -42,10 +40,8 @@
 import io.quarkus.deployment.builditem.ApplicationClassPredicateBuildItem;
 import io.quarkus.deployment.console.ConsoleCommand;
 import io.quarkus.deployment.console.ConsoleStateManager;
-import io.quarkus.deployment.dev.testing.MessageFormat;
 import io.quarkus.deployment.dev.testing.TestSupport;
 import io.quarkus.deployment.steps.ClassTransformingBuildStep;
-import io.quarkus.deployment.util.CommandLineUtil;
 import io.quarkus.dev.appstate.ApplicationStartException;
 import io.quarkus.dev.console.DevConsoleManager;
 import io.quarkus.dev.spi.DeploymentFailedStartHandler;
@@ -110,27 +106,7 @@ public void accept(Integer integer) {
                                         () -> {
                                             consoleContext.reset();
                                             RuntimeUpdatesProcessor.INSTANCE.doScan(true, true);
-                                        }),
-                                        new ConsoleCommand('e', "Edits the command line parameters and restarts",
-                                                "to edit command line args (currently '" + MessageFormat.GREEN
-                                                        + String.join(" ", context.getArgs()) + MessageFormat.RESET + "')",
-                                                100, new ConsoleCommand.HelpState(() -> BLUE,
-                                                        () -> String.join(" ", context.getArgs())),
-                                                new Consumer<String>() {
-                                                    @Override
-                                                    public void accept(String args) {
-                                                        try {
-                                                            context.setArgs(
-                                                                    CommandLineUtil.translateCommandline(args));
-                                                        } catch (Exception e) {
-                                                            log.error("Failed to parse command line", e);
-                                                            return;
-                                                        }
-                                                        consoleContext.reset();
-                                                        RuntimeUpdatesProcessor.INSTANCE.doScan(true, true);
-                                                    }
-                                                }));
-
+                                        }));
                             }
                         });
 

diff --git a/core/deployment/src/main/java/io/quarkus/deployment/dev/RuntimeUpdatesProcessor.java b/core/deployment/src/main/java/io/quarkus/deployment/dev/RuntimeUpdatesProcessor.java
@@ -1237,4 +1237,12 @@ public void merge(TimestampSet other) {
         }
     }
 
+    public String[] getCommandLineArgs() {
+        return context.getArgs();
+    }
+
+    public RuntimeUpdatesProcessor setCommandLineArgs(String[] commandLineArgs) {
+        this.context.setArgs(commandLineArgs);
+        return this;
+    }
 }