From 1e7a172a612d822688cb40f3751a426c54f26298 Mon Sep 17 00:00:00 2001
From: Jakub Cechacek <jcechace@gmail.com>
Date: Mon, 18 Sep 2023 19:04:38 +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.
---
 .gitignore                                    |  3 +-
 olm/bundles/README.md                         |  8 ++
 pom.xml                                       | 92 ++++++++++++++++++-
 .../operator/DebeziumCsvMetadata.java         |  2 +-
 4 files changed, 102 insertions(+), 3 deletions(-)
 create mode 100644 olm/bundles/README.md

diff --git a/.gitignore b/.gitignore
index b216644..fa0c1be 100644
--- a/.gitignore
+++ b/.gitignore
@@ -46,4 +46,5 @@ nb-configuration.xml
 kubernetes.json
 
 # OLM build workspace
-olm/
\ No newline at end of file
+olm/*
+!olm/bundles
\ No newline at end of file
diff --git a/olm/bundles/README.md b/olm/bundles/README.md
new file mode 100644
index 0000000..8174be5
--- /dev/null
+++ b/olm/bundles/README.md
@@ -0,0 +1,8 @@
+# Debezium Operator OLM Bundle Manifests
+For main branch this directory is expected to be empty. For release branches the raw OLM bundle manifests should be located here.
+
+_Note that such OLM bundle requires further processing and without it the bundle is not usable._
+
+To release this bundle follow the instruction is [Operator Bundle Manifests repository](https://github.com/debezium/debezium-operator-manifests). 
+
+
diff --git a/pom.xml b/pom.xml
index d432987..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>${project.parent.version}</olm.bundle.version>
             </properties>
         </profile>
         <profile>
@@ -226,6 +235,87 @@
                 <quarkus.operator-sdk.bundle.channels>debezium-stable,debezium-${version.debezium.channel}</quarkus.operator-sdk.bundle.channels>
             </properties>
         </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>
+                        <groupId>org.apache.maven.plugins</groupId>
+                        <artifactId>maven-resources-plugin</artifactId>
+                        <version>${version.resources.plugin}</version>
+                        <executions>
+                            <execution>
+                                <id>copy-olm</id>
+                                <phase>package</phase>
+                                <goals>
+                                    <goal>copy-resources</goal>
+                                </goals>
+                                <configuration>
+                                    <outputDirectory>${project.basedir}/olm/bundles/${olm.bundle.version}</outputDirectory>
+                                    <resources>
+                                        <resource>
+                                            <!-- 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/${olm.bundle.name}.clusterserviceversion.yaml</arg>
+                                            </exec>
+                                        </cmd>
+                                    </run>
+                                </image>
+                            </images>
+                        </configuration>
+                        <executions>
+                            <execution>
+                                <id>wire-olm</id>
+                                <phase>package</phase>
+                                <goals>
+                                    <goal>start</goal>
+                                </goals>
+                            </execution>
+                        </executions>
+                    </plugin>
+                </plugins>
+            </build>
+        </profile>
         <profile>
             <id>k8update</id>
             <properties>
diff --git a/src/main/java/io/debezium/operator/DebeziumCsvMetadata.java b/src/main/java/io/debezium/operator/DebeziumCsvMetadata.java
index 4a61a51..5c2a128 100644
--- a/src/main/java/io/debezium/operator/DebeziumCsvMetadata.java
+++ b/src/main/java/io/debezium/operator/DebeziumCsvMetadata.java
@@ -89,5 +89,5 @@
                 "Start it up, point it at your databases, and your apps can start responding " +
                 "to all of the inserts, updates, and deletes that other apps commit to your databases")
 public class DebeziumCsvMetadata implements SharedCSVMetadata {
-    public static final String NAME = "debezium-operator";
+    public static final String NAME = "${olm.bundle.name}";
 }