| #!/usr/bin/env bash |
|
|
| set -eo pipefail |
|
|
| SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd ) |
|
|
| DOCKER_IMAGE_TAG="segment-algorithm" |
|
|
| echo "=+= (Re)build the container" |
| source "${SCRIPT_DIR}/do_build.sh" |
|
|
| build_timestamp=$( docker inspect --format='{{ .Created }}' "$DOCKER_IMAGE_TAG") |
|
|
| if [ -z "$build_timestamp" ]; then |
| echo "Error: Failed to retrieve build information for container $DOCKER_IMAGE_TAG" |
| exit 1 |
| fi |
|
|
| formatted_build_info=$(echo $build_timestamp | sed -E 's/(.*)T(.*)\..*Z/\1_\2/' | sed 's/[-,:]/-/g') |
|
|
| output_filename="${SCRIPT_DIR}/${DOCKER_IMAGE_TAG}_${formatted_build_info}.tar.gz" |
|
|
| echo "==+==" |
| echo "Saving the container image as ${output_filename}. This can take a while." |
| echo "" |
|
|
| |
| if command -v pigz >/dev/null 2>&1; then |
| compressor=(pigz -c) |
| else |
| compressor=(gzip -c) |
| fi |
|
|
| |
| image_size=$(docker image inspect "$DOCKER_IMAGE_TAG" --format '{{.Size}}' 2>/dev/null || true) |
|
|
| if command -v pv >/dev/null 2>&1; then |
| if [[ "$image_size" =~ ^[0-9]+$ && "$image_size" -gt 0 ]]; then |
| docker save "$DOCKER_IMAGE_TAG" \ |
| | pv --size "$image_size" --progress --timer --eta --rate --bytes \ |
| | "${compressor[@]}" > "$output_filename" |
| else |
| docker save "$DOCKER_IMAGE_TAG" | pv --timer --rate --bytes | "${compressor[@]}" > "$output_filename" |
| fi |
| else |
| echo "Tip: install 'pv' (e.g. sudo apt-get install pv) for a progress bar." |
| docker save "$DOCKER_IMAGE_TAG" | "${compressor[@]}" > "$output_filename" |
| fi |
| echo "Container image saved as ${output_filename}" |
| echo "==+==" |
|
|
