From 78ffe7e1d0aa2a1d164a7237dcf04a0d3377e046 Mon Sep 17 00:00:00 2001
From: Jakub Cechacek <jcechace@gmail.com>
Date: Tue, 19 Sep 2023 11:13:00 +0200
Subject: [PATCH] DBZ-6738 Functional bundle can be generated during maven
 build

This uses combination of maven resources plugin to perform property filtering and Fabric8 docker plugin to wire OLM and QOSDK configuration together.
---
 pom.xml                                       | 66 ++++++++++++++++++-
 .../operator/DebeziumCsvMetadata.java         |  2 +-
 2 files changed, 64 insertions(+), 4 deletions(-)

diff --git a/pom.xml b/pom.xml
index ba1fd7e..5a35649 100644
--- a/pom.xml
+++ b/pom.xml
@@ -24,6 +24,7 @@
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
         <maven.compiler.release>17</maven.compiler.release>
         <maven.compiler.testRelease>17</maven.compiler.testRelease>
+        <maven.build.timestamp.format>yyyy-MM-dd'T'HH:mm:ss'Z'</maven.build.timestamp.format>
 
         <!-- Debezium version -->
         <version.debezium>${project.version}</version.debezium>
@@ -32,6 +33,9 @@
         <version.buildhelper.plugin>3.4.0</version.buildhelper.plugin>
         <version.surefire.version>3.0.0</version.surefire.version>
         <version.compiler.plugin>3.11.0</version.compiler.plugin>
+        <version.resources.plugin>3.3.1</version.resources.plugin>
+        <version.docker.maven.plugin>0.43.4</version.docker.maven.plugin>
+
 
         <!-- Dependency versions -->
         <version.assertj>3.24.2</version.assertj>
@@ -44,7 +48,6 @@
 
         <!-- Operator and Image configuration -->
         <quarkus.operator-sdk.crd.validate>false</quarkus.operator-sdk.crd.validate>
-        <quarkus.operator-sdk.bundle.package-name>${project.artifactId}</quarkus.operator-sdk.bundle.package-name>
         <quarkus.container-image.registry>quay.io</quarkus.container-image.registry>
         <quarkus.container-image.group>debezium</quarkus.container-image.group>
         <quarkus.container-image.name>operator</quarkus.container-image.name>
@@ -52,6 +55,11 @@
         <quarkus.kubernetes.name>debezium-operator</quarkus.kubernetes.name>
         <!-- OLM configuration -->
         <version.debezium.channel>${parsedVersion.majorVersion}.${parsedVersion.minorVersion}.x</version.debezium.channel>
+        <olm.bundle.version>${parsedVersion.majorVersion}.${parsedVersion.minorVersion}.${parsedVersion.incrementalVersion}-nightly</olm.bundle.version>
+        <olm.bundle.name>debezium-operator.v${olm.bundle.version}</olm.bundle.name>
+        <olm.bundle.replaces></olm.bundle.replaces>
+        <olm.bundle.containerImage>${quarkus.container-image.registry}/${quarkus.container-image.group}/${quarkus.container-image.name}:${quarkus.container-image.tag}</olm.bundle.containerImage>
+        <olm.bundle.createdAt>${maven.build.timestamp}</olm.bundle.createdAt>
         <!-- Formatting configuration -->
         <format.imports.source.compliance>17</format.imports.source.compliance>
         <!-- Example properties -->
@@ -216,6 +224,7 @@
             <properties>
                 <quarkus.container-image.tag>${project.parent.version}</quarkus.container-image.tag>
                 <quarkus.operator-sdk.bundle.channels>debezium-${version.debezium.channel}</quarkus.operator-sdk.bundle.channels>
+                <olm.bundle.version>${project.parent.version}</olm.bundle.version>
             </properties>
         </profile>
         <profile>
@@ -228,6 +237,11 @@
         </profile>
         <profile>
             <id>olmUpdate</id>
+            <properties>
+                <quarkus.kubernetes.idempotent>true</quarkus.kubernetes.idempotent>
+                <!-- Outputting dollar sign has to be done through property-->
+                <dollar>$$</dollar>
+            </properties>
             <build>
                 <plugins>
                     <plugin>
@@ -242,17 +256,63 @@
                                     <goal>copy-resources</goal>
                                 </goals>
                                 <configuration>
-                                    <outputDirectory>${project.basedir}/olm/bundles/${project.parent.version}</outputDirectory>
+                                    <outputDirectory>${project.basedir}/olm/bundles/${olm.bundle.version}</outputDirectory>
                                     <resources>
                                         <resource>
-                                            <directory>${project.build.directory}/bundle/debezium-operator</directory>
+                                            <!-- Outputting ${olm.bundle.name} without actually expanding the property -->
+                                            <directory>${project.build.directory}/bundle/${dollar}{olm.bundle.name}</directory>
                                             <include>**/*</include>
+                                            <filtering>true</filtering>
                                         </resource>
                                     </resources>
+                                    <fileNameFiltering>true</fileNameFiltering>
                                 </configuration>
                             </execution>
                         </executions>
                     </plugin>
+                    <plugin>
+                    <!-- Wire OLM target namespaces and QOSDK configuration together-->
+                    <!-- Required since QOSDK doesn't generate this!-->
+                    <!--    OLM standard is to set the olm.targetNamespaces annotation on operator deployments-->
+                    <!--    whereas QOSDK uses the QUARKUS_OPERATOR_SDK_NAMESPACES environment variable for the same purpose-->
+                    <!-- This runs yq container and adds the variable to operator deployment in generated CSV-->
+                        <groupId>io.fabric8</groupId>
+                        <artifactId>docker-maven-plugin</artifactId>
+                        <version>${version.docker.maven.plugin}</version>
+                        <configuration>
+                            <images>
+                                <image>
+                                    <alias>yq</alias>
+                                    <name>mikefarah/yq:latest</name>
+                                    <run>
+                                        <autoRemove>true</autoRemove>
+                                        <volumes>
+                                            <bind>
+                                                <volume>${project.basedir}/olm/bundles/${olm.bundle.version}:/workdir</volume>
+                                            </bind>
+                                        </volumes>
+                                        <cmd>
+                                            <exec>
+                                                <arg>ea</arg>
+                                                <arg>-i</arg>
+                                                <arg>.spec.install.spec.deployments[0].spec.template.spec.containers[0].env += [{"name": "QUARKUS_OPERATOR_SDK_NAMESPACES", "valueFrom": {"fieldRef": {"fieldPath": "metadata.annotations['olm.targetNamespaces']"}}}]</arg>
+                                                <arg>manifests/${olm.bundle.name}.clusterserviceversion.yaml</arg>
+                                            </exec>
+                                        </cmd>
+                                    </run>
+                                </image>
+                            </images>
+                        </configuration>
+                        <executions>
+                            <execution>
+                                <id>wire-olm</id>
+                                <phase>package</phase>
+                                <goals>
+                                    <goal>start</goal>
+                                </goals>
+                            </execution>
+                        </executions>
+                    </plugin>
                 </plugins>
             </build>
         </profile>
diff --git a/src/main/java/io/debezium/operator/DebeziumCsvMetadata.java b/src/main/java/io/debezium/operator/DebeziumCsvMetadata.java
index 4a61a51..5c2a128 100644
--- a/src/main/java/io/debezium/operator/DebeziumCsvMetadata.java
+++ b/src/main/java/io/debezium/operator/DebeziumCsvMetadata.java
@@ -89,5 +89,5 @@
                 "Start it up, point it at your databases, and your apps can start responding " +
                 "to all of the inserts, updates, and deletes that other apps commit to your databases")
 public class DebeziumCsvMetadata implements SharedCSVMetadata {
-    public static final String NAME = "debezium-operator";
+    public static final String NAME = "${olm.bundle.name}";
 }