# The MIT License
#
#  Copyright (c) 2021-2021, Cabillot Julien
#  Copyright (c) 2015-2020, CloudBees, Inc. and other Jenkins contributors
#
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#  of this software and associated documentation files (the "Software"), to deal
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#  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.
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#  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FROM alpine:3.13

RUN apk add --no-cache openjdk11-jre-headless tini

ARG VERSION=4.6
ARG user=jenkins
ARG group=jenkins
ARG uid=1000
ARG gid=1000

RUN addgroup -g ${gid} ${group}
RUN adduser -h /home/${user} -u ${uid} -G ${group} -D ${user}
LABEL Description="This is a base image, which provides the Jenkins agent executable (slave.jar)" Vendor="Jenkins project" Version="${VERSION}"

ARG AGENT_WORKDIR=/home/${user}/agent

RUN apk add --update --no-cache curl bash git git-lfs openssh-client openssl procps \
  && curl --create-dirs -fsSLo /usr/share/jenkins/agent.jar https://repo.jenkins-ci.org/public/org/jenkins-ci/main/remoting/${VERSION}/remoting-${VERSION}.jar \
  && chmod 755 /usr/share/jenkins \
  && chmod 644 /usr/share/jenkins/agent.jar \
  && ln -sf /usr/share/jenkins/agent.jar /usr/share/jenkins/slave.jar \
  && apk del curl

COPY jenkins-agent /usr/local/bin/jenkins-agent
RUN chmod +x /usr/local/bin/jenkins-agent &&\
    ln -s /usr/local/bin/jenkins-agent /usr/local/bin/jenkins-slave

USER ${user}
ENV AGENT_WORKDIR=${AGENT_WORKDIR}
RUN mkdir /home/${user}/.jenkins && mkdir -p ${AGENT_WORKDIR}

VOLUME /home/${user}/.jenkins
VOLUME ${AGENT_WORKDIR}
WORKDIR /home/${user}

ENTRYPOINT ["/sbin/tini", "--", "/usr/local/bin/jenkins-agent"]