Add dind test runner

Signed-off-by: Derek McGowan <derek@mcgstyle.net> (github: dmcgowan)

contrib/docker-integration/Dockerfile

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+FROM debian:jessie
+
+# compile and runtime deps
+# https://github.com/docker/docker/blob/master/project/PACKAGERS.md#runtime-dependencies
+RUN apt-get update && apt-get install -y --no-install-recommends \
+        # For DIND
+        ca-certificates \
+        curl \
+        iptables \
+        procps \
+        e2fsprogs \
+        xz-utils \
+        # For build
+        build-essential \
+        file \
+        git \
+        net-tools \ 
+    && apt-get clean && rm -rf /var/lib/apt/lists/*
+
+# Install Docker
+ENV VERSION 1.7.0-rc1
+RUN curl -L -o /usr/local/bin/docker https://test.docker.com/builds/Linux/x86_64/docker-${VERSION} \
+    && chmod +x /usr/local/bin/docker
+
+# Install DIND
+RUN curl -L -o /dind https://raw.githubusercontent.com/docker/docker/master/hack/dind \
+    && chmod +x /dind
+
+# Install golang
+ENV GO_VERSION 1.4.2
+RUN curl -sSL https://golang.org/dl/go${GO_VERSION}.src.tar.gz | tar -v -C /usr/local -xz \
+    && mkdir -p /go/bin
+ENV PATH /go/bin:/usr/local/go/bin:$PATH
+ENV GOPATH /go
+RUN cd /usr/local/go/src && ./make.bash --no-clean 2>&1
+
+# Go dependencies
+RUN go get github.com/tools/godep
+
+# Install bats
+RUN cd /usr/local/src/ \
+    && git clone https://github.com/sstephenson/bats.git \
+    && cd bats \
+    && ./install.sh /usr/local
+
+# Install docker-compose
+RUN curl -L https://github.com/docker/compose/releases/download/1.2.0/docker-compose-`uname -s`-`uname -m` > /usr/local/bin/docker-compose \
+    && chmod +x /usr/local/bin/docker-compose
+
+RUN mkdir -p /go/src/github.com/docker/distribution
+WORKDIR /go/src/github.com/docker/distribution/contrib/docker-integration
+
+VOLUME /var/lib/docker
+
+ENTRYPOINT ["/dind"]

contrib/docker-integration/run.sh

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+#!/usr/bin/env bash
+set -e
+
+cd "$(dirname "$(readlink -f "$BASH_SOURCE")")"
+
+# Root directory of Distribution
+DISTRIBUTION_ROOT=$(cd ../..; pwd -P)
+
+# Image containing the integration tests environment.
+INTEGRATION_IMAGE=${INTEGRATION_IMAGE:-distribution/docker-integration}
+
+# Make sure we upgrade the integration environment.
+# Not yet on hub, run `docker build -t distribution/docker-integration .`
+#docker pull $INTEGRATION_IMAGE
+
+# Start the integration tests in a Docker container.
+ID=$(docker run -d -t --privileged \
+	-v ${DISTRIBUTION_ROOT}:/go/src/github.com/docker/distribution \
+	-e "DOCKER_IMAGE=$DOCKER_IMAGE" \
+	-e "DOCKER_VERSION=$DOCKER_VERSION" \
+	-e "STORAGE_DRIVER=$STORAGE_DRIVER" \
+	-e "EXEC_DRIVER=$EXEC_DRIVER" \
+	${INTEGRATION_IMAGE} \
+	./test_runner.sh "$@")
+
+# Clean it up when we exit.
+trap "docker rm -f -v $ID > /dev/null" EXIT
+
+docker logs -f $ID

contrib/docker-integration/test_runner.sh

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+#!/usr/bin/env bash
+set -e
+
+cd "$(dirname "$(readlink -f "$BASH_SOURCE")")"
+
+# Load the helpers.
+#. helpers.bash
+
+TESTS=${@:-.}
+
+# Drivers to use for Docker engines the tests are going to create.
+STORAGE_DRIVER=${STORAGE_DRIVER:-overlay}
+EXEC_DRIVER=${EXEC_DRIVER:-native}
+
+
+function execute() {
+	>&2 echo "++ $@"
+	eval "$@"
+}
+
+# Set IP address in /etc/hosts for localregistry
+IP=$(ifconfig eth0|grep "inet addr:"| cut -d: -f2 | awk '{ print $1}')
+execute echo "$IP localregistry" >> /etc/hosts
+
+# Setup certificates
+execute sh install_certs.sh localregistry
+
+# Start the docker engine.
+execute docker --daemon --log-level=panic \
+	--storage-driver="$STORAGE_DRIVER" --exec-driver="$EXEC_DRIVER" &
+DOCKER_PID=$!
+
+# Wait for it to become reachable.
+tries=10
+until docker version &> /dev/null; do
+	(( tries-- ))
+	if [ $tries -le 0 ]; then
+		echo >&2 "error: daemon failed to start"
+		exit 1
+	fi
+	sleep 1
+done
+
+execute time docker-compose build
+
+execute docker-compose up -d
+
+# Run the tests.
+execute time bats -p $TESTS
+
+
+# Run test script
+execute sh test_docker.sh localregistry
+