obs: build_from_docker: Add arg to build based in a branch.

Build OBS packages based in a kata brach.

Signed-off-by: Jose Carlos Venegas Munoz <jose.carlos.venegas.munoz@intel.com>

obs-packaging/build_from_docker.sh

@@ -10,8 +10,8 @@ set -o errexit
 set -o nounset
 set -o pipefail
 
-
 script_dir=$( cd $( dirname "${BASH_SOURCE[0]}" ) && pwd )
+script_name="$(basename "${BASH_SOURCE[0]}")"
 cache_dir=${PWD}/obs-cache
 #where packaing repo lives
 packaging_repo_dir=$(cd "${script_dir}/.." && pwd )
@@ -24,20 +24,12 @@ https_proxy=${https_proxy:-}
 no_proxy=${no_proxy:-}
 PUSH=${PUSH:-}
 
-
 GO_ARCH=$(go env GOARCH)
 export GO_ARCH
-sudo docker build \
-	--build-arg http_proxy="${http_proxy}" \
-	--build-arg https_proxy="${https_proxy}" \
-	-t $obs_image "${script_dir}"
 
-pushd "${script_dir}/kata-containers-image/" >> /dev/null
+docker_run(){
-	echo "Building image"
+	local cmd="$@"
-	./build_image.sh
+	sudo docker run \
-popd >> /dev/null
-
-sudo docker run \
 		--rm \
 		-v "${HOME}/.ssh":/root/.ssh \
 		-v "${HOME}/.gitconfig":/root/.gitconfig \
@@ -51,4 +43,35 @@ sudo docker run \
 		-v "$packaging_repo_dir":${packaging_repo_dir} \
 		-v "$host_datadir":/var/packaging \
 		-v "$HOME/.oscrc":/root/.oscrc \
-	-ti "$obs_image" bash -c "${packaging_repo_dir}/obs-packaging/build_all.sh"
+		-ti "$obs_image" bash -c "${cmd}"
+}
+usage(){
+	msg="${1:-}"
+	exit_code=$"${2:-0}"
+cat << EOT
+${msg}
+Usage:
+${script_name} <kata-branch>
+EOT
+	exit "${exit_code}"
+}
+
+main(){
+	local branch="${1:-}"
+	[ -n "${branch}" ] || usage "missing branch" "1"
+	pushd "${script_dir}/kata-containers-image/" >> /dev/null
+	echo "Building image"
+	./build_image.sh
+	popd >> /dev/null
+	sudo docker build \
+		--build-arg http_proxy="${http_proxy}" \
+		--build-arg https_proxy="${https_proxy}" \
+		-t $obs_image "${script_dir}"
+
+	#Create/update OBS repository for branch
+	docker_run "${packaging_repo_dir}/obs-packaging/create-pkg-branch.sh ${branch}"
+	#Build all kata packages
+	docker_run "${packaging_repo_dir}/obs-packaging/build_all.sh ${branch}"
+}
+
+main $@