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diff --git a/bionic-amd64-hafnium/jenkins-slave b/bionic-amd64-hafnium/jenkins-slave
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+#!/usr/bin/env sh
+
+# 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
+# * JENKINS_AGENT_WORKDIR : agent work directory, if not set by optional parameter -workDir
+
+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
+ case "$@" in
+ *"-tunnel "*) ;;
+ *)
+ if [ ! -z "$JENKINS_TUNNEL" ]; then
+ TUNNEL="-tunnel $JENKINS_TUNNEL"
+ fi ;;
+ esac
+
+ # if -workDir is not provided, try env vars
+ if [ ! -z "$JENKINS_AGENT_WORKDIR" ]; then
+ case "$@" in
+ *"-workDir"*) echo "Warning: Work directory is defined twice in command-line arguments and the environment variable" ;;
+ *)
+ WORKDIR="-workDir $JENKINS_AGENT_WORKDIR" ;;
+ esac
+ fi
+
+ if [ -n "$JENKINS_URL" ]; then
+ URL="-url $JENKINS_URL"
+ fi
+
+ if [ -n "$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 java home is defined, use it
+ JAVA_BIN="java"
+ if [ "$JAVA_HOME" ]; then
+ JAVA_BIN="$JAVA_HOME/bin/java"
+ fi
+
+ # if both required options are defined, do not pass the parameters
+ OPT_JENKINS_SECRET=""
+ if [ -n "$JENKINS_SECRET" ]; then
+ case "$@" in
+ *"${JENKINS_SECRET}"*) echo "Warning: SECRET is defined twice in command-line arguments and the environment variable" ;;
+ *)
+ OPT_JENKINS_SECRET="${JENKINS_SECRET}" ;;
+ esac
+ fi
+
+ OPT_JENKINS_AGENT_NAME=""
+ if [ -n "$JENKINS_AGENT_NAME" ]; then
+ case "$@" in
+ *"${JENKINS_AGENT_NAME}"*) echo "Warning: AGENT_NAME is defined twice in command-line arguments and the environment variable" ;;
+ *)
+ OPT_JENKINS_AGENT_NAME="${JENKINS_AGENT_NAME}" ;;
+ esac
+ fi
+
+ #TODO: Handle the case when the command-line and Environment variable contain different values.
+ #It is fine it blows up for now since it should lead to an error anyway.
+
+ exec $JAVA_BIN $JAVA_OPTS $JNLP_PROTOCOL_OPTS -cp /usr/share/jenkins/slave.jar hudson.remoting.jnlp.Main -headless $TUNNEL $URL $WORKDIR $OPT_JENKINS_SECRET $OPT_JENKINS_AGENT_NAME "$@"
+fi