脚本将镜像文件推送到 Docker Registry

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Import

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#!/usr/bin/env bash

set -e

REGISTRY="hub.starudream.local"

function load() {
  if [ ! -f "$1" ]; then
    echo "file not found: $1"
    exit 1
  fi
  res=$(docker image load -i "$1" 2>/dev/null | grep "Loaded image:" || true)
  images=${res//Loaded image: /}
  for image in $images; do
    echo "-> loaded $image"
    if [ -z $REGISTRY ]; then
      continue
    fi
    cnt=$(echo "$image" | awk -F/ "{print NF-1}")
    name=$image
    case $cnt in
    0)
      name="library/$image"
      ;;
    1) ;;
    *)
      part=${image%/*}
      left=${part%/*}
      name=${image/$left\//}
      ;;
    esac
    docker image tag "$image" "$REGISTRY/$name"
    docker image push "$REGISTRY/$name"
    echo "=> pushed $image to $REGISTRY/$name"
    docker image rm "$REGISTRY/$name"
    docker image rm "$image" || true
  done
}

cnt=$(grep -c $REGISTRY /etc/hosts || true)
if [ "$cnt" -eq 0 ]; then
  REGISTRY=""
elif [ "$PUSH_REGISTRY" = 0 ]; then
  REGISTRY=""
fi

if [ -z "$1" ]; then
  files=$(find . -type f -name "*.tar.gz" | sort -u)
  for file in $files; do
    echo ">> found $file"
    load "$file"
  done
else
  load "$1"
fi

Export

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#!/usr/bin/env bash

set -e

CUR_DIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
ROOT_DIR=$(dirname "$CUR_DIR")

mkdir -p "$ROOT_DIR"/images

function save() {
  if [ ! -f "$1" ]; then
    echo "file not found: $1"
    exit 1
  fi
  images=$(docker-compose -f "$1" config --images | sort -u)
  for image in $images; do
    name=${image////-}
    name=${name//:/_}
    if [ -f "$ROOT_DIR/images/$name.tar.gz" ]; then
      echo "-> exist $name.tar.gz, skip"
      continue
    fi
    docker image pull --platform linux/amd64 "$image"
    echo "=> save $image to $name.tar.gz"
    docker image save "$image" | gzip > "$ROOT_DIR/images/$name.tar.gz"
  done
}

if [ -z "$1" ]; then
  files=$(find . -type f -name "docker-compose*.yaml" | sort -u)
  for file in $files; do
    echo ">> found $file"
    save "$file"
  done
else
  save "$1"
fi