Add Python agent

Jenkinsfile_k8s

@@ -26,6 +26,12 @@ parallel(
       dockerfile: 'node/Dockerfile',
     ])
   },
+  'python': {
+     buildDockerAndPublishImage('inbound-agent-python', [
+      mainBranch: principalBranch,
+      dockerfile: 'python/Dockerfile',
+    ])
+  },
   'ruby': {
      buildDockerAndPublishImage('inbound-agent-ruby', [
       mainBranch: principalBranch,

python/Dockerfile

@@ -0,0 +1,31 @@
+# Use Debian base
+FROM jenkins/inbound-agent:jdk11 as jnlp
+
+FROM python:3-bullseye
+
+## Ignore apt package pinning as we always want the latest package here
+# hadolint ignore=DL3008
+RUN apt-get update && \
+    apt-get install -y --no-install-recommends \
+        bash \
+        git \
+        libfontconfig1 \
+        libfreetype6 \
+        && \
+    apt-get clean && \
+    rm -rf /var/lib/apt/lists/*
+
+# Install JDK from the official agent image
+ENV JAVA_HOME=/opt/jdk-11
+ENV PATH "${JAVA_HOME}/bin:${PATH}"
+COPY --from=jnlp /opt/java/openjdk "${JAVA_HOME}"
+
+COPY --from=jnlp /usr/local/bin/jenkins-agent /usr/local/bin/jenkins-agent
+COPY --from=jnlp /usr/share/jenkins/agent.jar /usr/share/jenkins/agent.jar
+
+ENTRYPOINT ["/usr/local/bin/jenkins-agent"]
+
+ARG user=jenkins
+RUN useradd -c "Jenkins user" -m ${user} \
+    && chmod 750 /home/${user}
+USER ${user}