Update docker integration tests to use golem

Use registry example from golem repository.
Use the golem test runner for the docker integration environment

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

contrib/docker-integration/helpers.bash

@@ -1,21 +1,101 @@
-# Start docker daemon
-function start_daemon() {
-	# Drivers to use for Docker engines the tests are going to create.
-	STORAGE_DRIVER=${STORAGE_DRIVER:-overlay}
-	EXEC_DRIVER=${EXEC_DRIVER:-native}
-
-	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 [ $tries -le 0 ]; then
-			echo >&2 "error: daemon failed to start"
-			exit 1
-		fi
-		sleep 1
-	done
+# has_digest enforces the last output line is "Digest: sha256:..."
+# the input is the output from a docker push cli command
+function has_digest() {
+	filtered=$(echo "$1" |sed -rn '/[dD]igest\: sha(256|384|512)/ p')
+	[ "$filtered" != "" ]
+	# See http://wiki.alpinelinux.org/wiki/Regex#BREs before making changes to regex
+	digest=$(expr "$filtered" : ".*\(sha[0-9]\{3,3\}:[a-z0-9]*\)")
+}
+
+# tempImage creates a new image using the provided name
+# requires bats
+function tempImage() {
+	dir=$(mktemp -d)
+	run dd if=/dev/urandom of="$dir/f" bs=1024 count=512
+	cat <<DockerFileContent > "$dir/Dockerfile"
+FROM scratch
+COPY f /f
+
+CMD []
+DockerFileContent
+
+	cp_t $dir "/tmpbuild/"
+	exec_t "cd /tmpbuild/; docker build --no-cache -t $1 .; rm -rf /tmpbuild/"
+}
+
+# skip basic auth tests with Docker 1.6, where they don't pass due to
+# certificate issues, requires bats
+function basic_auth_version_check() {
+	run sh -c 'docker version | fgrep -q "Client version: 1.6."'
+	if [ "$status" -eq 0 ]; then
+		skip "Basic auth tests don't support 1.6.x"
+	fi
+}
+
+# login issues a login to docker to the provided server
+# uses user, password, and email variables set outside of function
+# requies bats
+function login() {
+	rm -f /root/.docker/config.json
+	run docker_t login -u $user -p $password -e $email $1
+	if [ "$status" -ne 0 ]; then
+		echo $output
+	fi
+	[ "$status" -eq 0 ]
+	# First line is WARNING about credential save or email deprecation (maybe both)
+	[ "${lines[2]}" = "Login Succeeded" -o "${lines[1]}" = "Login Succeeded" ]
+}
+
+function login_oauth() {
+	login $@
+
+	tmpFile=$(mktemp)
+	get_file_t /root/.docker/config.json $tmpFile
+	run awk -v RS="" "/\"$1\": \\{[[:space:]]+\"auth\": \"[[:alnum:]]+\",[[:space:]]+\"identitytoken\"/ {exit 3}" $tmpFile
+	[ "$status" -eq 3 ]
+}
+
+function parse_version() {
+	version=$(echo "$1" | cut -d '-' -f1) # Strip anything after '-'
+	major=$(echo "$version" | cut -d . -f1)
+	minor=$(echo "$version" | cut -d . -f2)
+	rev=$(echo "$version" | cut -d . -f3)
+
+	version=$((major * 1000 * 1000 + minor * 1000 + rev))
+}
+
+function version_check() {
+	name=$1
+	checkv=$2
+	minv=$3
+	parse_version "$checkv"
+	v=$version
+	parse_version "$minv"
+	if [ "$v" -lt "$version" ]; then
+		skip "$name version \"$checkv\" does not meet required version \"$minv\""
+	fi
+}
+
+function get_file_t() {
+	docker cp dockerdaemon:$1 $2
+}
+
+function cp_t() {
+	docker cp $1 dockerdaemon:$2
+}
+
+function exec_t() {
+	docker exec dockerdaemon sh -c "$@"
+}
+
+function docker_t() {
+	docker exec dockerdaemon docker $@
+}
+
+# build reates a new docker image id from another image
+function build() {
+	docker exec -i dockerdaemon docker build --no-cache -t $1 - <<DOCKERFILE
+FROM $2
+MAINTAINER distribution@docker.com
+DOCKERFILE
 }