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Posted to commits@camel.apache.org by da...@apache.org on 2021/11/19 15:33:12 UTC

[camel] 01/02: CAMEL-17210: camel-jbang - Allow to run a file loaded via github resource loader

This is an automated email from the ASF dual-hosted git repository.

davsclaus pushed a commit to branch main
in repository https://gitbox.apache.org/repos/asf/camel.git

commit f342b67d0313eac9fc9cae576161442a23538d18
Author: Claus Ibsen <cl...@gmail.com>
AuthorDate: Fri Nov 19 16:28:02 2021 +0100

    CAMEL-17210: camel-jbang - Allow to run a file loaded via github resource loader
---
 .../apache/camel/dsl/jbang/core/commands/Run.java  | 53 ++++++++++++++++------
 dsl/camel-kamelet-main/pom.xml                     |  7 +++
 .../java/org/apache/camel/main/KameletMain.java    | 23 ++++++----
 .../apache/camel/main/KameletMainGithubTest.java   | 35 ++++++++++++++
 .../org/apache/camel/main/KameletMainTest.java     | 34 ++++++++++++++
 .../src/test/resources/log4j2.properties           | 28 ++++++++++++
 .../src/test/resources/my-route.yaml               | 27 +++++++++++
 7 files changed, 186 insertions(+), 21 deletions(-)

diff --git a/dsl/camel-jbang/camel-jbang-core/src/main/java/org/apache/camel/dsl/jbang/core/commands/Run.java b/dsl/camel-jbang/camel-jbang-core/src/main/java/org/apache/camel/dsl/jbang/core/commands/Run.java
index 1330c3f..fc0b072 100644
--- a/dsl/camel-jbang/camel-jbang-core/src/main/java/org/apache/camel/dsl/jbang/core/commands/Run.java
+++ b/dsl/camel-jbang/camel-jbang-core/src/main/java/org/apache/camel/dsl/jbang/core/commands/Run.java
@@ -25,6 +25,7 @@ import org.apache.camel.CamelContext;
 import org.apache.camel.builder.RouteBuilder;
 import org.apache.camel.dsl.jbang.core.common.RuntimeUtil;
 import org.apache.camel.main.KameletMain;
+import org.apache.camel.support.ResourceHelper;
 import picocli.CommandLine.Command;
 import picocli.CommandLine.Option;
 import picocli.CommandLine.Parameters;
@@ -38,7 +39,7 @@ class Run implements Callable<Integer> {
 
     //CHECKSTYLE:OFF
     @Option(names = { "-h", "--help" }, usageHelp = true, description = "Display the help and sub-commands")
-    private boolean helpRequested = false;
+    private boolean helpRequested;
     //CHECKSTYLE:ON
 
     @Option(names = { "--debug-level" }, defaultValue = "info", description = "Default debug level")
@@ -53,6 +54,10 @@ class Run implements Callable<Integer> {
     @Option(names = { "--reload" }, description = "Enables live reload when source file is changed (saved)")
     private boolean reload;
 
+    @Option(names = { "--file-lock" },
+            description = "Whether to create a temporary file lock, which upon deleting triggers this process to terminate")
+    private boolean fileLock;
+
     class ShutdownRoute extends RouteBuilder {
         private File lockFile;
 
@@ -99,25 +104,47 @@ class Run implements Callable<Integer> {
             System.setProperty("camel.main.durationMaxMessages", String.valueOf(maxMessages));
         }
 
-        System.setProperty("camel.main.routes-include-pattern", "file:" + binding);
-        System.setProperty("camel.main.routes-reload-enabled", reload ? "true" : "false");
-        System.setProperty("camel.main.routes-reload-directory", ".");
-        System.setProperty("camel.main.routes-reload-pattern", binding);
-
         RuntimeUtil.configureLog(debugLevel);
 
-        File bindingFile = new File(binding);
-        if (!bindingFile.exists()) {
-            System.err.println("The binding file does not exist");
+        KameletMain main = new KameletMain() {
+            @Override
+            protected void configureInitialProperties() {
+                addInitialProperty("camel.component.kamelet.location", "classpath:/kamelets,github:apache:camel-kamelets");
+                // turn off lightweight if we have routes reload enabled
+                addInitialProperty("camel.main.lightweight", reload ? "false" : "true");
+                // shutdown quickly
+                addInitialProperty("camel.main.shutdown-timeout", "5");
+            }
+        };
+
+        // special route to trigger shutdown on watch file delete
+        if (fileLock) {
+            // TODO: use another way
+            main.configure().addRoutesBuilder(new ShutdownRoute(createLockFile()));
+        }
 
-            return 1;
+        if (!ResourceHelper.hasScheme(binding) && !binding.startsWith("github:")) {
+            binding = "file:" + binding;
         }
+        main.addInitialProperty("camel.main.routes-include-pattern", binding);
+
+        if (binding.startsWith("file:")) {
+            // check if file exist
+            File bindingFile = new File(binding.substring(5));
+            if (!bindingFile.exists() && !bindingFile.isFile()) {
+                System.err.println("The binding file does not exist");
+                return 1;
+            }
 
-        System.out.println("Starting Camel JBang!");
-        KameletMain main = new KameletMain();
+            // we can only reload if file based
+            main.addInitialProperty("camel.main.routes-reload-enabled", reload ? "true" : "false");
+            main.addInitialProperty("camel.main.routes-reload-directory", ".");
+            main.addInitialProperty("camel.main.routes-reload-pattern", binding);
+        }
 
-        main.configure().addRoutesBuilder(new ShutdownRoute(createLockFile()));
+        System.out.println("Starting Camel JBang!  ZZZ");
         main.start();
+
         context = main.getCamelContext();
 
         main.run();
diff --git a/dsl/camel-kamelet-main/pom.xml b/dsl/camel-kamelet-main/pom.xml
index 1041be3..cf7bd5c 100644
--- a/dsl/camel-kamelet-main/pom.xml
+++ b/dsl/camel-kamelet-main/pom.xml
@@ -83,6 +83,13 @@
             <groupId>org.junit.jupiter</groupId>
             <artifactId>junit-jupiter-engine</artifactId>
         </dependency>
+
+        <dependency>
+            <groupId>org.apache.logging.log4j</groupId>
+            <artifactId>log4j-slf4j-impl</artifactId>
+            <scope>test</scope>
+        </dependency>
+
     </dependencies>
 
 </project>
diff --git a/dsl/camel-kamelet-main/src/main/java/org/apache/camel/main/KameletMain.java b/dsl/camel-kamelet-main/src/main/java/org/apache/camel/main/KameletMain.java
index 854c5f8..3274e80 100644
--- a/dsl/camel-kamelet-main/src/main/java/org/apache/camel/main/KameletMain.java
+++ b/dsl/camel-kamelet-main/src/main/java/org/apache/camel/main/KameletMain.java
@@ -147,14 +147,7 @@ public class KameletMain extends MainCommandLineSupport {
         answer.setApplicationContextClassLoader(kameletClassLoader);
         answer.setRegistry(registry);
 
-        addInitialProperty("camel.component.kamelet.location", "classpath:/kamelets,github:apache:camel-kamelets");
-        addInitialProperty("camel.main.routes-reload-enabled", "true");
-        addInitialProperty("camel.main.routes-reload-directory", "src/main/resources");
-        addInitialProperty("camel.main.routes-reload-pattern", "camel/*.yaml");
-        // turn off lightweight as we have routes reload enabled
-        addInitialProperty("camel.main.lightweight", "false");
-        // shutdown quickly
-        addInitialProperty("camel.main.shutdown-timeout", "5");
+        configureInitialProperties();
 
         if (download) {
             try {
@@ -171,4 +164,18 @@ public class KameletMain extends MainCommandLineSupport {
         return answer;
     }
 
+    /**
+     * Sets initial properties that are specific to camel-kamelet-main
+     */
+    protected void configureInitialProperties() {
+        addInitialProperty("camel.component.kamelet.location", "classpath:/kamelets,github:apache:camel-kamelets");
+        addInitialProperty("camel.main.routes-reload-enabled", "true");
+        addInitialProperty("camel.main.routes-reload-directory", "src/main/resources");
+        addInitialProperty("camel.main.routes-reload-pattern", "camel/*.yaml");
+        // turn off lightweight as we have routes reload enabled
+        addInitialProperty("camel.main.lightweight", "false");
+        // shutdown quickly
+        addInitialProperty("camel.main.shutdown-timeout", "5");
+    }
+
 }
diff --git a/dsl/camel-kamelet-main/src/test/java/org/apache/camel/main/KameletMainGithubTest.java b/dsl/camel-kamelet-main/src/test/java/org/apache/camel/main/KameletMainGithubTest.java
new file mode 100644
index 0000000..d62e2e9
--- /dev/null
+++ b/dsl/camel-kamelet-main/src/test/java/org/apache/camel/main/KameletMainGithubTest.java
@@ -0,0 +1,35 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.camel.main;
+
+import org.junit.jupiter.api.Disabled;
+import org.junit.jupiter.api.Test;
+
+@Disabled("Manual test")
+public class KameletMainGithubTest {
+
+    @Test
+    public void testKameletMain() throws Exception {
+        KameletMain main = new KameletMain();
+        main.setDownload(true);
+        main.configure().withDurationMaxSeconds(10);
+//        main.configure().withRoutesIncludePattern("github:apache:camel-k:examples/languages/routes.yaml");
+        main.configure().withRoutesIncludePattern("github:apache:camel-examples:examples/main-yaml/src/main/resources/my-route.yaml");
+
+        main.run();
+    }
+}
diff --git a/dsl/camel-kamelet-main/src/test/java/org/apache/camel/main/KameletMainTest.java b/dsl/camel-kamelet-main/src/test/java/org/apache/camel/main/KameletMainTest.java
new file mode 100644
index 0000000..c3c163b
--- /dev/null
+++ b/dsl/camel-kamelet-main/src/test/java/org/apache/camel/main/KameletMainTest.java
@@ -0,0 +1,34 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.camel.main;
+
+import org.junit.jupiter.api.Disabled;
+import org.junit.jupiter.api.Test;
+
+@Disabled("Manual test")
+public class KameletMainTest {
+
+    @Test
+    public void testKameletMain() throws Exception {
+        KameletMain main = new KameletMain();
+        main.setDownload(true);
+        main.configure().withDurationMaxSeconds(5);
+        main.configure().withRoutesIncludePattern("file:src/test/resources/my-route.yaml");
+
+        main.run();
+    }
+}
diff --git a/dsl/camel-kamelet-main/src/test/resources/log4j2.properties b/dsl/camel-kamelet-main/src/test/resources/log4j2.properties
new file mode 100644
index 0000000..ceb0f20
--- /dev/null
+++ b/dsl/camel-kamelet-main/src/test/resources/log4j2.properties
@@ -0,0 +1,28 @@
+## ---------------------------------------------------------------------------
+## Licensed to the Apache Software Foundation (ASF) under one or more
+## contributor license agreements.  See the NOTICE file distributed with
+## this work for additional information regarding copyright ownership.
+## The ASF licenses this file to You under the Apache License, Version 2.0
+## (the "License"); you may not use this file except in compliance with
+## the License.  You may obtain a copy of the License at
+##
+##      http://www.apache.org/licenses/LICENSE-2.0
+##
+## Unless required by applicable law or agreed to in writing, software
+## distributed under the License is distributed on an "AS IS" BASIS,
+## WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+## See the License for the specific language governing permissions and
+## limitations under the License.
+## ---------------------------------------------------------------------------
+
+appender.file.type = File
+appender.file.name = file
+appender.file.fileName = target/camel-kamelet-main-test.log
+appender.file.layout.type = PatternLayout
+appender.file.layout.pattern = %d [%-15.15t] %-5p %-30.30c{1} - %m%n
+appender.out.type = Console
+appender.out.name = out
+appender.out.layout.type = PatternLayout
+appender.out.layout.pattern = %d [%-15.15t] %-5p %-30.30c{1} - %m%n
+rootLogger.level = INFO
+rootLogger.appenderRef.file.ref = out
diff --git a/dsl/camel-kamelet-main/src/test/resources/my-route.yaml b/dsl/camel-kamelet-main/src/test/resources/my-route.yaml
new file mode 100644
index 0000000..03909be
--- /dev/null
+++ b/dsl/camel-kamelet-main/src/test/resources/my-route.yaml
@@ -0,0 +1,27 @@
+# ---------------------------------------------------------------------------
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+# ---------------------------------------------------------------------------
+
+- from:
+    uri: "timer:tick"
+    parameters:
+      period: "1000"
+    steps:
+      - set-body:
+          constant: "Hello Yaml !!!"
+      - transform:
+          simple: "${body.toUpperCase()}"
+      - to: "log:info"
\ No newline at end of file