deploy.sh

#!/usr/bin/env bash

# Environment variables:
#
# REPOSITORY_URI (Optional)

echo "[INFO] $0 started at $(date)"

images=( shib-test-idp test-ldap )

# Get the commit hash
read -r commit_hash<<<"$(git rev-parse --short HEAD)"
echo "[INFO] Commit hash: \"$commit_hash\""

for image in "${images[@]}"
do
    echo "[INFO] Building the $image image"

    cd containers/"$image" || exit 1

    # Get the image version from the label
    read -r version<<<"$(docker inspect --format='{{.Config.Labels.version}}' "$image":"$commit_hash")"
    if [ -z "$version" ]; then
        echo "[ERROR] Unable to inspect version label for image $image:$commit_hash"
        exit 1
    fi
    echo "[INFO] Version: $version"
    read -r major minor patch<<<"$(echo """$version""" | tr . ' ')"
    echo "[DEBUG] major.minor.patch=\"$major.$minor.$patch\""
    local_image="$image:$commit_hash"
    echo "[DEBUG] local_image=\"$local_image\""

    # If no ECR hostname is set, default to using Docker Hub
    if [ -z "$REPOSITORY_URI" ]; then
        remote_image_uri="${image}"
    else
        remote_image_uri="${REPOSITORY_URI}/${image}"
    fi
    echo "[DEBUG] image_uri=$remote_image_uri"

    # Determine tags to apply
    tags=(
        "latest"
        "$major.$minor.$patch"
        "$major.$minor"
        "$major"
    )
    echo "[DEBUG] tags=\"${tags[*]}\""

    # Tag the image
    echo "[INFO] Tagging the $image image"
    for tag in "${tags[@]}"; do
        cmd="docker tag $local_image $remote_image_uri:$tag"
        echo "[DEBUG] cmd=\"$cmd\""
        if ! $cmd
        then
            echo "[ERROR] Tagging the $image image with \"$tag\" failed (exit code $rc)"
            exit 1
        fi
    done

    # Push the image to the registry
    echo "[INFO] Pushing the image to the registry"
    for tag in "${tags[@]}"; do
        cmd="docker push $remote_image_uri:$tag"
        echo "[DEBUG] cmd=\"$cmd\""
        $cmd
        rc=$?
        if [ $rc -ne 0 ]; then
            echo "[ERROR] Push failed (exit code $rc)"
            exit 1
        fi
    done

    cd ../..
done

echo "[INFO] $0 finished at $(date)"