[WFCORE-4917]: Experimental - Provide a cool boot banner.

* Add support for a cool ASCII art banner via a banner.txt in the $JBOSS_HOME/bin directory. Jira: https://issues.redhat.com/browse/WFCORE-4917 Signed-off-by: Emmanuel Hugonnet <[email protected]>
wildfly · Mar 13, 2024 · 2eb6a7e · 2eb6a7e
1 parent eb092ef
commit 2eb6a7e
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Showing 7 changed files with 38 additions and 8 deletions.
diff --git a/...duct.conf/content/modules/system/layers/base/org/jboss/as/product/wildfly-core/module.xml b/...duct.conf/content/modules/system/layers/base/org/jboss/as/product/wildfly-core/module.xml
@@ -16,4 +16,4 @@
     </resources>
 
     <dependencies/>
-</module>
+</module>
diff --git a/host-controller/src/main/java/org/jboss/as/host/controller/HostControllerEnvironment.java b/host-controller/src/main/java/org/jboss/as/host/controller/HostControllerEnvironment.java
@@ -479,6 +479,7 @@ public HostControllerEnvironment(Map<String, String> hostSystemProperties, boole
         this.hostControllerUUID = uuid;
         this.backupDomainFiles = backupDomainFiles;
         this.useCachedDc = useCachedDc;
+        ProductConfig.getBannerFile(productConfig, homeDir.getAbsolutePath());
         this.productConfig = productConfig;
         // Note the java.security.manager property shouldn't be set, but we'll check to ensure the security manager should be enabled
         this.securityManagerEnabled = securityManagerEnabled || isJavaSecurityManagerConfigured(hostSystemProperties);

diff --git a/host-controller/src/main/java/org/jboss/as/host/controller/HostControllerService.java b/host-controller/src/main/java/org/jboss/as/host/controller/HostControllerService.java
@@ -103,7 +103,8 @@ public void start(StartContext context) throws StartException {
         // processState.setStarting();
         final ProductConfig config = environment.getProductConfig();
         final String prettyVersion = config.getPrettyVersionString();
-        ServerLogger.AS_ROOT_LOGGER.serverStarting(prettyVersion);
+        final String banner = environment.getStability() == org.jboss.as.version.Stability.EXPERIMENTAL ? config.getBanner() : "";
+        ServerLogger.AS_ROOT_LOGGER.serverStarting(prettyVersion, banner);
         if (System.getSecurityManager() != null) {
             ServerLogger.AS_ROOT_LOGGER.securityManagerEnabled();
         }

diff --git a/server/src/main/java/org/jboss/as/server/ApplicationServerService.java b/server/src/main/java/org/jboss/as/server/ApplicationServerService.java
@@ -82,7 +82,8 @@ public synchronized void start(final StartContext context) throws StartException
         final ServerEnvironment serverEnvironment = configuration.getServerEnvironment();
         final ProductConfig config = serverEnvironment.getProductConfig();
         final String prettyVersion = config.getPrettyVersionString();
-        ServerLogger.AS_ROOT_LOGGER.serverStarting(prettyVersion);
+        final String banner = serverEnvironment.getStability() == org.jboss.as.version.Stability.EXPERIMENTAL ? config.getBanner() : "";
+        ServerLogger.AS_ROOT_LOGGER.serverStarting(prettyVersion, banner);
         if (System.getSecurityManager() != null) {
             ServerLogger.AS_ROOT_LOGGER.securityManagerEnabled();
         }

diff --git a/server/src/main/java/org/jboss/as/server/ServerEnvironment.java b/server/src/main/java/org/jboss/as/server/ServerEnvironment.java
@@ -549,6 +549,7 @@ public ServerEnvironment(final String hostControllerName, final Properties props
             throw ServerLogger.ROOT_LOGGER.couldNotObtainServerUuidFile(ex, filePath);
         }
         this.serverUUID = uuid;
+        ProductConfig.getBannerFile(productConfig, homeDir.getAbsolutePath());
         this.productConfig = productConfig;
 
         // Keep a copy of the original properties

diff --git a/server/src/main/java/org/jboss/as/server/logging/ServerLogger.java b/server/src/main/java/org/jboss/as/server/logging/ServerLogger.java
@@ -317,10 +317,11 @@ public interface ServerLogger extends BasicLogger {
      * Logs an informational message indicating the server is starting.
      *
      * @param prettyVersion  the server version.
+     * @param banner the server ACII banner.
      */
     @LogMessage(level = INFO)
-    @Message(id = 49, value = "%s starting")
-    void serverStarting(String prettyVersion);
+    @Message(id = 49, value = "%s starting%s")
+    void serverStarting(String prettyVersion, String banner);
 
     /**
      * Logs an informational message indicating the server is stopped.

diff --git a/version/src/main/java/org/jboss/as/version/ProductConfig.java b/version/src/main/java/org/jboss/as/version/ProductConfig.java
@@ -12,6 +12,7 @@
 import java.io.Serializable;
 import java.nio.charset.StandardCharsets;
 import java.nio.file.Files;
+import java.nio.file.Path;
 import java.nio.file.Paths;
 import java.security.AccessController;
 import java.security.PrivilegedAction;
@@ -34,19 +35,20 @@ public class ProductConfig implements Serializable {
 
     private final String name;
     private final String version;
+    private String banner;
     private final String consoleSlot;
     private final Stability defaultStability;
     private final Set<Stability> stabilities;
     private boolean isProduct;
 
     public static ProductConfig fromFilesystemSlot(ModuleLoader loader, String home, Map<?, ?> providedProperties) {
-        return new ProductConfig(loader, getProductConfProperties(home), providedProperties);
+        return new ProductConfig(loader, home, getProductConfProperties(home), providedProperties);
     }
 
     public static ProductConfig fromKnownSlot(String slot, ModuleLoader loader, Map<?, ?> providedProperties) {
-        return new ProductConfig(loader, new ProductConfProps(slot), providedProperties);
+        return new ProductConfig(loader, null, new ProductConfProps(slot), providedProperties);
     }
-    private ProductConfig(ModuleLoader loader, ProductConfProps productConfProps, Map<?, ?> providedProperties) {
+    private ProductConfig(ModuleLoader loader, String home, ProductConfProps productConfProps, Map<?, ?> providedProperties) {
         String productName = null;
         String projectName = null;
         String productVersion = null;
@@ -81,6 +83,7 @@ private ProductConfig(ModuleLoader loader, ProductConfProps productConfProps, Ma
                         minStability = Stability.fromString(minStabilityValue);
                     }
                 }
+                getBannerFile(this, home);
             }
 
             setSystemProperties(productConfProps.miscProperties, providedProperties);
@@ -97,6 +100,19 @@ private ProductConfig(ModuleLoader loader, ProductConfProps productConfProps, Ma
         this.stabilities = EnumSet.range(maxStability, minStability);
     }
 
+    public static void getBannerFile(ProductConfig config, String home) {
+        if (home != null) {
+            Path bannerPath = Paths.get(home, "bin", "banner.txt");
+            if (bannerPath != null && Files.exists(bannerPath)) {
+                try {
+                    config.banner = System.lineSeparator() + Files.readString(bannerPath, StandardCharsets.UTF_8);
+                } catch (Exception e) {
+                    // Don't care
+                }
+            }
+        }
+    }
+
     private static String getProductConf(String home) {
         final String defaultVal = home + File.separator + "bin" + File.separator + "product.conf";
         PrivilegedAction<String> action = new PrivilegedAction<String>() {
@@ -133,6 +149,7 @@ public ProductConfig(final String productName, final String productVersion, fina
         this.consoleSlot = consoleSlot;
         this.defaultStability = Stability.DEFAULT;
         this.stabilities = EnumSet.of(this.defaultStability);
+        this.banner = null;
     }
 
     public String getProductName() {
@@ -167,6 +184,14 @@ public Set<Stability> getStabilitySet() {
         return this.stabilities;
     }
 
+    /**
+     * The product ASCII banner defined in $JBOSS_HOME\bin\banner.txt using \n as line ending.
+     * @return the ASCII banner.
+     */
+    public String getBanner() {
+        return banner;
+    }
+
     public String getPrettyVersionString() {
         if (name != null) {
             return String.format("%s %s (WildFly Core %s)", name, version, Version.AS_VERSION);