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The following commit(s) were added to refs/heads/master by this push:
new ede1347 CAMEL-15767: Completed camel-nagios tests with a mock nsca
server based test
ede1347 is described below
commit ede1347be948a3a955243010b8dc6c535d3a6f4b
Author: aldettinger <aldettin...@gmail.com>
AuthorDate: Tue Oct 27 16:25:51 2020 +0100
CAMEL-15767: Completed camel-nagios tests with a mock nsca server based test
---
components/camel-nagios/pom.xml | 15 +++
.../component/nagios/MockNscaServerBasedTest.java | 119 +++++++++++++++++++++
2 files changed, 134 insertions(+)
diff --git a/components/camel-nagios/pom.xml b/components/camel-nagios/pom.xml
index b5dd688..939d9db 100644
--- a/components/camel-nagios/pom.xml
+++ b/components/camel-nagios/pom.xml
@@ -55,6 +55,11 @@
<scope>test</scope>
</dependency>
<dependency>
+ <groupId>org.apache.camel</groupId>
+ <artifactId>camel-netty</artifactId>
+ <scope>test</scope>
+ </dependency>
+ <dependency>
<groupId>org.junit.jupiter</groupId>
<artifactId>junit-jupiter</artifactId>
<scope>test</scope>
@@ -65,6 +70,16 @@
<scope>test</scope>
</dependency>
<dependency>
+ <groupId>org.awaitility</groupId>
+ <artifactId>awaitility</artifactId>
+ <scope>test</scope>
+ </dependency>
+ <dependency>
+ <groupId>commons-codec</groupId>
+ <artifactId>commons-codec</artifactId>
+ <scope>test</scope>
+ </dependency>
+ <dependency>
<groupId>org.apache.logging.log4j</groupId>
<artifactId>log4j-slf4j-impl</artifactId>
<scope>test</scope>
diff --git
a/components/camel-nagios/src/test/java/org/apache/camel/component/nagios/MockNscaServerBasedTest.java
b/components/camel-nagios/src/test/java/org/apache/camel/component/nagios/MockNscaServerBasedTest.java
new file mode 100644
index 0000000..9b93492
--- /dev/null
+++
b/components/camel-nagios/src/test/java/org/apache/camel/component/nagios/MockNscaServerBasedTest.java
@@ -0,0 +1,119 @@
+/*
+ * 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.component.nagios;
+
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.concurrent.TimeUnit;
+
+import io.netty.buffer.ByteBuf;
+import io.netty.channel.Channel;
+import io.netty.channel.ChannelHandlerContext;
+import io.netty.handler.codec.ByteToMessageDecoder;
+import org.apache.camel.BindToRegistry;
+import org.apache.camel.builder.RouteBuilder;
+import org.apache.camel.component.netty.NettyConsumer;
+import org.apache.camel.component.netty.ServerInitializerFactory;
+import org.apache.camel.test.AvailablePortFinder;
+import org.apache.camel.test.junit5.CamelTestSupport;
+import org.apache.commons.codec.digest.DigestUtils;
+import org.awaitility.Awaitility;
+import org.junit.jupiter.api.Test;
+
+/**
+ * In the context of this test, the NSCA nagios server is mocked with a
camel-netty route. Incoming message digests are
+ * computed and later on verified against expectations. The protocol is
simulated in a way that ensure predictable
+ * digest outputs given incoming messages are always produced in the same
order.
+ */
+public class MockNscaServerBasedTest extends CamelTestSupport {
+
+ @BindToRegistry("mockNscaServer")
+ protected static MockNscaServerInitializerFactory mockNscaServer = new
MockNscaServerInitializerFactory();
+
+ private static final String EXPECTED_NSCA_SIMPLE_FRAME_DIGEST =
"2ec8ecf15f363bf507b8e19f0118e3cb";
+ private static final String EXPECTED_NSCA_MULTI_HEADERS_FRAME_DIGEST =
"315d4b1aed2bb2db79d516f7c651b0d1";
+ private static final int INIT_VECTOR_PLUS_TIMESTAMP_SIZE_IN_BYTES = 128 +
Integer.BYTES;
+
+ private int nscaPort;
+
+ @Override
+ protected void doPreSetup() throws Exception {
+ super.doPreSetup();
+ nscaPort = AvailablePortFinder.getNextAvailable();
+ }
+
+ @Test
+ public void sendSimpleThenMultiHeadersNscaFramesShouldSucceed() {
+ template.sendBody("direct:start", "Hello Nagios");
+ mockNscaServer.verifyFrameReceived(EXPECTED_NSCA_SIMPLE_FRAME_DIGEST);
+
+ Map<String, Object> headers = new HashMap<>();
+ headers.put(NagiosConstants.LEVEL, "CRITICAL");
+ headers.put(NagiosConstants.HOST_NAME, "myHost");
+ headers.put(NagiosConstants.SERVICE_NAME, "myService");
+ template.sendBodyAndHeaders("direct:start", "Hello Nagios", headers);
+
mockNscaServer.verifyFrameReceived(EXPECTED_NSCA_MULTI_HEADERS_FRAME_DIGEST);
+ }
+
+ @Override
+ protected RouteBuilder createRouteBuilder() {
+ return new RouteBuilder() {
+ @Override
+ public void configure() {
+
from("direct:start").toF("nagios:localhost:%s?password=secret", nscaPort);
+
fromF("netty:tcp://0.0.0.0:%s?serverInitializerFactory=#mockNscaServer",
nscaPort).log("NSCA frame received");
+ }
+ };
+ }
+
+ public static class MockNscaServerInitializerFactory extends
ServerInitializerFactory {
+
+ private volatile String actualFrameDigest;
+
+ protected void initChannel(Channel ch) {
+ ch.pipeline().addFirst("mock-nsca-handler", new
ByteToMessageDecoder() {
+ @Override
+ public void channelActive(ChannelHandlerContext ctx) {
+ final ByteBuf initVectorAndTimeStamp =
ctx.alloc().buffer(INIT_VECTOR_PLUS_TIMESTAMP_SIZE_IN_BYTES);
+ initVectorAndTimeStamp.writeBytes(new
byte[INIT_VECTOR_PLUS_TIMESTAMP_SIZE_IN_BYTES]);
+ ctx.writeAndFlush(initVectorAndTimeStamp);
+ }
+
+ @Override
+ protected void decode(ChannelHandlerContext ctx, ByteBuf in,
List<Object> out) {
+ byte[] bytes = new byte[in.readableBytes()];
+ in.readBytes(bytes);
+ actualFrameDigest = DigestUtils.md5Hex(bytes);
+ }
+ });
+ }
+
+ void verifyFrameReceived(String expectedFrameDigest) {
+ if (expectedFrameDigest == null) {
+ throw new IllegalArgumentException("argument
expectedFrameDigest can't be null");
+ }
+ Awaitility.await().atMost(5, TimeUnit.SECONDS).until(() ->
expectedFrameDigest.equals(actualFrameDigest));
+ }
+
+ @Override
+ public ServerInitializerFactory createPipelineFactory(NettyConsumer
consumer) {
+ return this;
+ }
+ }
+
+}
