通过镜像站点获取gcr仓库的镜像

shell/getgcr.sh

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+#!/bin/env bash
+# 
+# lework
+# Download Google container image from proxy point.
+
+
+######################################################################################################
+# environment configuration
+######################################################################################################
+
+RED='\033[0;31m'
+GREEN='\033[0;32m'
+ORANGE='\033[0;33m'
+BLUE='\033[0;34m'
+PURPLE='\033[0;35m'
+GREEN_PS3=$'\e[0;32m'
+ORANGE_PS3=$'\e[0;33m'
+WHITE='\033[0;37m'
+
+proxy=(
+  "gcr.azk8s.cn/google_containers"
+  "registry.aliyuncs.com/google_containers"
+  "gcrxio"
+)
+images=(
+  "k8s.gcr.io/kube-apiserver:"
+  "k8s.gcr.io/kube-controller-manager:"
+  "k8s.gcr.io/kube-scheduler:"
+  "k8s.gcr.io/kube-proxy:"
+  "k8s.gcr.io/pause-amd64:3.1"
+)
+
+######################################################################################################
+# function
+######################################################################################################
+
+function check() {
+  docker info >/dev/null 2>1
+  if [ "$?" != "0" ]; then
+    echo -e "${RED}Please check if the docker service is started or installed."
+    tput sgr0
+    exit 1
+  fi
+}
+
+function pull() {
+  local image_url=$1
+  local image=${image_url##*/}
+
+  for proxy_url in ${proxy[*]}; do
+    [ "${proxy_url:0-1}" != "/" ] && proxy_url=$proxy_url/
+    echo -e "${ORANGE}[Proxy:] $proxy_url"
+    echo -e "[Image:] $image_url"
+    tput sgr0
+    docker pull $proxy_url$image
+    if [ "$?" == "0" ]; then
+      docker tag $proxy_url$image $image_url
+      docker images ${image_url}
+      echo -e "${ORANGE}[Delete:] Delete Proxy image."
+      tput sgr0
+      docker rmi $proxy_url$image
+      echo -e "${GREEN}[Result:] Pull image success."
+      tput sgr0
+      echo
+      break
+    else
+      echo -e "${RED}[Result:] Pull image failed."
+      tput sgr0
+      echo
+    fi
+  done 
+}
+
+function usage {
+    echo "Download the Google docker image through the proxy node"
+    echo
+    echo "Usage: $0 [[[-p proxy] [-i image] | [-t tag] | [-f file]] | [-h]]"
+    echo "  -p,--proxy      Specify proxy node url"
+    echo "  -i,--image      Specify the image name"
+    echo "  -t,--tag        Specify the image tag and download the k8s family bucket."
+    echo "  -f,--file       Specify a file path containing the name"
+    echo "  -h,--help       View help"
+    echo
+    echo
+    echo "Example:"
+    echo "  $0 gcr.io/google_containers/pause-amd64:3.1"
+    echo "  $0 \"k8s.gcr.io/kube-{apiserver,controller-manager,proxy,scheduler}:v1.14.3\""
+    echo "  $0 -i k8s.gcr.io/pause-amd64:3.1"
+    echo "  $0 -p registry.aliyuncs.com/google_containers -i k8s.gcr.io/pause-amd64:3.1"
+    echo "  $0 -t v1.14.3"
+    echo "  $0 -f ./images.txt"
+    echo
+    exit 1
+}
+
+
+######################################################################################################
+# main 
+######################################################################################################
+
+check
+
+[ "$#" == "0" ] && usage
+
+while [ "$1" != "" ]; do
+    case $1 in
+        -p | --proxy )          shift
+                                unset proxy
+                                proxy=$1
+                                ;;
+        -i | --image )          shift
+				image_url=$1
+                                ;;
+        -t | --tag )            shift
+				tag=$1
+                                ;;
+        -f | --file )           shift
+				file=$1
+                                ;;
+        -h | --help )           usage
+                                exit
+                                ;;
+        *\.* | *\/*)            image_url=$1
+                                ;;
+        * )                     usage
+                                exit 1
+    esac
+    shift
+done
+
+if echo "$image_url" | grep -q "{"; then
+  prefix_image=$(echo $image_url | cut -d '{' -f 1)
+  tag_image=$(echo $image_url | cut -d ':' -f 2)
+  muti_image=$(echo $image_url | cut -d '{' -f 2 | cut -d '}' -f 1)
+  for i in $(echo $muti_image | tr "," "\n")
+  do
+    pull $prefix_image$i:$tag_image
+  done
+  exit 0
+fi
+
+if [ "$tag" != "" ]; then
+  for image in ${images[*]}
+  do
+    [ "${image:0-1}" == ":" ] && pull $image$tag || pull $image
+  done
+  exit 0
+fi
+
+if [ "$file" != "" ]; then
+  while IFS= read line
+  do
+    pull $line
+  done <"$file"
+  exit 0
+fi
+
+pull $image_url