Revise the workflow of publish dokcer images

tools/github_workflows/prepare_for_docker_build_and_push.sh

@@ -0,0 +1,57 @@
+#!/bin/bash
+
+# SPDX-License-Identifier: MPL-2.0
+
+set -e
+
+if [[ -z "$1" || -z "$2" || -z "$3" ]]; then
+    echo "Prepare the environment for the Github action of docker/build-push-action"
+    echo "Usage: $0 <username> <token> <image_name>"
+    exit 1
+fi
+
+USERNAME="$1"
+TOKEN="$2"
+IMAGE_NAME="$3"
+
+# Step 1: Set up Docker Buildx
+echo "Setting up Docker Buildx..."
+docker buildx create --use || {
+    echo "Failed to set up Docker Buildx"
+    exit 1
+}
+
+# Step 2: Login to Docker Hub
+echo "Logging in to Docker Hub..."
+echo "${TOKEN}" | docker login -u "${USERNAME}" --password-stdin || {
+    echo "Docker login failed"
+    exit 2
+}
+
+# Step 3: Fetch versions
+echo "Fetching Docker image version and Rust version..."
+ASTER_SRC_DIR=$(dirname "$0")/../..
+IMAGE_VERSION=$(cat ${ASTER_SRC_DIR}/DOCKER_IMAGE_VERSION)
+RUST_VERSION=$(grep -m1 -o 'nightly-[0-9]\+-[0-9]\+-[0-9]\+' ${ASTER_SRC_DIR}/rust-toolchain.toml)
+echo "image_version=$IMAGE_VERSION" >> $GITHUB_OUTPUT
+echo "rust_version=$RUST_VERSION" >> $GITHUB_OUTPUT
+
+# Step 4: Check if Docker image exists
+echo "Checking if Docker image exists..."
+if [[ "${IMAGE_NAME}" == "osdk" ]]; then
+    DOCKER_IMAGE="asterinas/osdk:${IMAGE_VERSION}"
+elif [[ "${IMAGE_NAME}" == "osdk-tdx" ]]; then
+    DOCKER_IMAGE="asterinas/osdk:${IMAGE_VERSION}-tdx"
+elif [[ "${IMAGE_NAME}" == "asterinas" ]]; then
+    DOCKER_IMAGE="asterinas/asterinas:${IMAGE_VERSION}"
+elif [[ "${IMAGE_NAME}" == "asterinas-tdx" ]]; then
+    DOCKER_IMAGE="asterinas/asterinas:${IMAGE_VERSION}-tdx"
+else
+    echo "Error: Unknown image name '${IMAGE_NAME}'"
+    exit 4
+fi
+if docker manifest inspect "${DOCKER_IMAGE}" > /dev/null 2>&1; then
+    echo "is_existed=true" >> $GITHUB_OUTPUT
+else
+    echo "is_existed=false" >> $GITHUB_OUTPUT
+fi