First import

Dockerfile

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+FROM arm64v8/openjdk:11-jre
+MAINTAINER Marek Obuchowicz <marek@korekontrol.eu>
+
+# Tini
+ADD https://github.com/krallin/tini/releases/download/v0.18.0/tini-arm64 /tini
+RUN chmod +x /tini
+
+# Install docker client, kubectl and helm
+RUN curl -sSL https://get.docker.com/ | sh
+
+# Debian packages
+RUN apt-get update -qy && \
+    DEBIAN_FRONTEND=noninteractive apt-get install -qy python-pip groff-base git && \
+    apt-get clean && \
+    rm -rf /var/lib/apt/lists/*
+
+# AWS CLI, j2cli
+RUN pip install awscli && \
+    pip install j2cli
+
+# Jenkins
+ENV HOME /home/jenkins
+RUN useradd -c "Jenkins user" -d $HOME -u 10000 -g 999 -m jenkins
+LABEL Description="This is a base image, which provides the Jenkins agent executable (slave.jar) and tools: j2cli, awscli, docker client, kubectl and helm" Vendor="KoreKontrol" Version="3.27"
+
+ARG VERSION=3.40
+
+#RUN curl --create-dirs -sSLo /usr/share/jenkins/slave.jar https://repo.jenkins-ci.org/public/org/jenkins-ci/main/remoting/${VERSION}/remoting-${VERSION}.jar
+
+ADD https://jenkins.docker.cabillot.eu/jnlpJars/agent.jar /usr/share/jenkins/agent.jar
+RUN chmod 755 /usr/share/jenkins \
+  && chmod 644 /usr/share/jenkins/agent.jar
+
+# jnlp slave
+COPY jenkins-slave /usr/local/bin/jenkins-slave
+RUN chmod +x /usr/local/bin/jenkins-slave
+
+USER jenkins
+RUN mkdir /home/jenkins/.jenkins
+VOLUME /home/jenkins/.jenkins
+WORKDIR /home/jenkins
+
+ENTRYPOINT ["/tini", "--", "jenkins-slave"]

Jenkinsfile

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+pipeline {
+  environment {
+    registry = 'https://registry.hub.docker.com'
+    registryCredential = 'dockerhub_jcabillot'
+    dockerImage = 'jcabillot/jnlp-slave-docker-arm64'
+  }
+
+  agent { label 'arm64' }
+
+  triggers {
+    cron('@midnight')
+  }
+
+  stages {
+    stage('Clone repository') {
+      steps{
+        checkout scm
+      }
+    }
+
+    stage('Build image') {
+      steps{
+        sh 'docker build --force-rm=true --no-cache=true --pull -t ${dockerImage} .'
+      }
+    }
+
+    stage('Deploy Image') {
+      steps{
+        script {
+          withCredentials([usernamePassword(credentialsId: 'dockerhub_jcabillot', usernameVariable: 'DOCKER_USER', passwordVariable: 'DOCKER_PASS')]) {
+            sh 'docker login --username ${DOCKER_USER} --password ${DOCKER_PASS}'
+            sh 'docker push ${dockerImage}'
+          }
+        }
+      }
+    }
+  }
+}

jenkins-slave

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+#!/usr/bin/env bash
+
+# The MIT License
+#
+#  Copyright (c) 2015, CloudBees, Inc.
+#
+#  Permission is hereby granted, free of charge, to any person obtaining a copy
+#  of this software and associated documentation files (the "Software"), to deal
+#  in the Software without restriction, including without limitation the rights
+#  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+#  copies of the Software, and to permit persons to whom the Software is
+#  furnished to do so, subject to the following conditions:
+#
+#  The above copyright notice and this permission notice shall be included in
+#  all copies or substantial portions of the Software.
+#
+#  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+#  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+#  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+#  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+#  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+#  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+#  THE SOFTWARE.
+
+# Usage jenkins-slave.sh [options] -url http://jenkins [SECRET] [AGENT_NAME]
+# Optional environment variables :
+# * JENKINS_TUNNEL : HOST:PORT for a tunnel to route TCP traffic to jenkins host, when jenkins can't be directly accessed over network
+# * JENKINS_URL : alternate jenkins URL
+# * JENKINS_SECRET : agent secret, if not set as an argument
+# * JENKINS_AGENT_NAME : agent name, if not set as an argument
+
+if [ $# -eq 1 ]; then
+
+	# if `docker run` only has one arguments, we assume user is running alternate command like `bash` to inspect the image
+	exec "$@"
+
+else
+
+	# if -tunnel is not provided try env vars
+	if [[ "$@" != *"-tunnel "* ]]; then
+		if [ ! -z "$JENKINS_TUNNEL" ]; then
+			TUNNEL="-tunnel $JENKINS_TUNNEL"
+		fi
+	fi
+
+	if [ -n "$JENKINS_URL" ]; then
+		URL="-url $JENKINS_URL"
+	fi
+        if [ -n "$JENKINS_JNLP" ]; then
+		JNLPURL="-jnlpUrl $JENKINS_JNLP"
+	fi
+
+
+	if [ -n "$JENKINS_NAME" ]; then
+		JENKINS_AGENT_NAME="$JENKINS_NAME"
+	fi	
+
+	if [ -z "$JNLP_PROTOCOL_OPTS" ]; then
+		echo "Warning: JnlpProtocol3 is disabled by default, use JNLP_PROTOCOL_OPTS to alter the behavior"
+		JNLP_PROTOCOL_OPTS="-Dorg.jenkinsci.remoting.engine.JnlpProtocol3.disabled=true"
+	fi
+
+	# If both required options are defined, do not pass the parameters
+	OPT_JENKINS_SECRET=""
+	if [ -n "$JENKINS_SECRET" ]; then
+		if [[ "$@" != *"${JENKINS_SECRET}"* ]]; then
+			OPT_JENKINS_SECRET="${JENKINS_SECRET}"
+		else
+			echo "Warning: SECRET is defined twice in command-line arguments and the environment variable"
+		fi
+	fi
+	
+	OPT_JENKINS_AGENT_NAME=""
+	if [ -n "$JENKINS_AGENT_NAME" ]; then
+		if [[ "$@" != *"${JENKINS_AGENT_NAME}"* ]]; then
+			OPT_JENKINS_AGENT_NAME="${JENKINS_AGENT_NAME}"
+		else
+			echo "Warning: AGENT_NAME is defined twice in command-line arguments and the environment variable"
+		fi
+	fi
+
+	exec java $JAVA_OPTS $JNLP_PROTOCOL_OPTS -jar /usr/share/jenkins/agent.jar ${JNLPURL} -secret ${OPT_JENKINS_SECRET} -workDir "/home/jenkins/"
+fi