Merge pull request mesosphere-backup#11 from mesosphere/ubuntu-dind

Add Ubuntu Based DIND Agent

.dockerignore

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+scripts/*

Dockerfile.ubuntu

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+FROM ubuntu:16.04
+
+ENV JAVA_HOME /usr/lib/jvm/java-8-openjdk-amd64
+
+RUN apt-get update -y       \
+    && apt-get upgrade -y   \
+    && apt-get install -y   \
+       apt-transport-https  \
+       build-essential      \
+       bzip2                \
+       ca-certificates      \
+       ca-certificates-java \
+       curl                 \
+       git                  \
+       iptables             \
+       jq                   \
+       lvm2                 \
+       lxc                  \
+       openjdk-8-jre-headless  \
+       unzip                \
+       zip
+
+ENV DIND_COMMIT 3b5fac462d21ca164b3778647420016315289034
+# docker
+RUN curl -sSL https://get.docker.com | sh
+# fetch DIND script
+RUN curl -sSL https://raw.githubusercontent.com/docker/docker/${DIND_COMMIT}/hack/dind -o /usr/local/bin/dind \
+    && chmod a+x /usr/local/bin/dind
+
+COPY ./wrapper.sh /usr/local/bin/wrapper.sh
+RUN chmod a+x /usr/local/bin/wrapper.sh
+
+VOLUME /var/lib/docker
+ENTRYPOINT []
+CMD []

scripts/build_images.sh

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+#!/bin/bash
+GIT_BRANCH=$(git rev-parse --abbrev-ref HEAD)
+TAG=${GIT_BRANCH#*/}
+
+function usage() {
+    echo "$0 <image name> [yes] [tag prefix]"
+    echo "build Jenkins DIND Agent docker images."
+    echo ""
+    echo "<image name> is the image name, with prefix."
+    echo "[yes] is optional; include to also push images to docker hub."
+    echo "[tag prefix] is optional; include to overwrite using the git branch."
+    echo ""
+    exit -1
+}
+
+function preflight {
+    if [ ! -d ".git" ]
+    then
+        echo "This directory does not contain a .git directory."
+        echo "Please run this script from the jenkins-dind-agent root directory."
+        echo ""
+        exit -2
+    fi
+}
+
+function dock_build {
+    local image=$1
+    local tag=$2
+    local file=$3
+
+    echo "Building $image:$tag ..."
+    docker build -t $image:$tag -f $file .
+}
+
+function dock_push {
+    local image=$1
+    local tag=$2
+
+    echo "Pushing $image:$tag ..."
+    docker push $image:$tag
+}
+
+function build_images() {
+    if [ "x$1" == "x" ]
+    then
+        usage
+    else
+        image_name="$1"
+    fi
+
+    if [ "x$3" != "x" ]
+    then
+        TAG=$3
+    fi
+
+    preflight
+
+    for i in Dockerfile*
+    do
+        local possible_tag=${i#*.}
+        local tag_suffix=""
+        if [ "$possible_tag" != "Dockerfile" ]
+        then
+            tag_suffix="-${possible_tag}"
+        fi
+
+        final_tag="$TAG${tag_suffix}"
+
+        dock_build "$image_name" "$final_tag" "$i"
+
+        if [ "x$2" == "xyes" ]
+        then
+            dock_push "$image_name" "$final_tag"
+        fi
+    done
+}
+
+build_images $1 $2 $3