Merge pull request #834 from linuxserver/universal-docker-in-docker-multi

dind: switch to multi-arch

Author: aptalca

.github/workflows/BuildImage.yml

@@ -7,6 +7,7 @@ env:
   ENDPOINT: "linuxserver/mods" #don't modify
   BASEIMAGE: "universal" #replace
   MODNAME: "docker-in-docker" #replace
+  MULTI_ARCH: "true" #set to true if needed
 
 jobs:
   set-vars:
@@ -19,6 +20,7 @@ jobs:
           echo "ENDPOINT=${{ env.ENDPOINT }}" >> $GITHUB_OUTPUT
           echo "BASEIMAGE=${{ env.BASEIMAGE }}" >> $GITHUB_OUTPUT
           echo "MODNAME=${{ env.MODNAME }}" >> $GITHUB_OUTPUT
+          echo "MULTI_ARCH=${{ env.MULTI_ARCH }}" >> $GITHUB_OUTPUT
           # **** If the mod needs to be versioned, set the versioning logic below. Otherwise leave as is. ****
           COMPOSE_RELEASE=$(curl -sX GET "https://api.github.com/repos/docker/compose/releases/latest" | awk '/tag_name/{print $4;exit}' FS='[""]' | sed 's|^v||')
           DOCKER_RELEASE=$(curl -sX GET "https://api.github.com/repos/moby/moby/releases/latest" | awk '/tag_name/{print $4;exit}' FS='[""]' | sed 's|^v||')
@@ -29,6 +31,7 @@ jobs:
       ENDPOINT: ${{ steps.outputs.outputs.ENDPOINT }}
       BASEIMAGE: ${{ steps.outputs.outputs.BASEIMAGE }}
       MODNAME: ${{ steps.outputs.outputs.MODNAME }}
+      MULTI_ARCH: ${{ steps.outputs.outputs.MULTI_ARCH }}
       MOD_VERSION: ${{ steps.outputs.outputs.MOD_VERSION }}
 
   build:
@@ -44,4 +47,5 @@ jobs:
       ENDPOINT: ${{ needs.set-vars.outputs.ENDPOINT }}
       BASEIMAGE: ${{ needs.set-vars.outputs.BASEIMAGE }}
       MODNAME: ${{ needs.set-vars.outputs.MODNAME }}
+      MULTI_ARCH: ${{ needs.set-vars.outputs.MULTI_ARCH }}
       MOD_VERSION: ${{ needs.set-vars.outputs.MOD_VERSION }}

Dockerfile

@@ -1,13 +1,13 @@
 # syntax=docker/dockerfile:1
 
 ## Buildstage ##
-FROM ghcr.io/linuxserver/baseimage-alpine:3.17 as buildstage
+FROM ghcr.io/linuxserver/baseimage-alpine:3.19 as buildstage
 
 ARG MOD_VERSION
 
 RUN \
   echo "**** retrieve latest version ****" && \
-  if [[ -z "${MOD_VERSION+x}" ]]; then \
+  if [ -z "${MOD_VERSION+x}" ]; then \
     DOCKER_RELEASE=$(curl -sX GET "https://api.github.com/repos/moby/moby/releases/latest" \
       | awk '/tag_name/{print $4;exit}' FS='[""]' \
       | sed 's|^v||'); \
@@ -18,45 +18,45 @@ RUN \
     DOCKER_RELEASE=$(echo "${MOD_VERSION}" | sed 's|-.*||'); \
     COMPOSE_RELEASE=$(echo "${MOD_VERSION}" | sed 's|.*-||'); \
   fi && \
-  echo "**** grab docker ****" && \
-  mkdir -p /root-layer/docker-tgz && \
-  curl -fo \
-    /root-layer/docker-tgz/docker_x86_64.tgz -L \
-    "https://download.docker.com/linux/static/stable/x86_64/docker-${DOCKER_RELEASE}.tgz" && \
-  curl -fo \
-    /root-layer/docker-tgz/docker_aarch64.tgz -L \
-    "https://download.docker.com/linux/static/stable/aarch64/docker-${DOCKER_RELEASE}.tgz" && \
-  echo "**** grab compose ****" && \
-  curl -fo \
-    /root-layer/docker-tgz/docker-compose_x86_64 -L \
-    "https://github.com/docker/compose/releases/download/v${COMPOSE_RELEASE}/docker-compose-linux-x86_64" && \
-  curl -fo \
-    /root-layer/docker-tgz/docker-compose_aarch64 -L \
-    "https://github.com/docker/compose/releases/download/v${COMPOSE_RELEASE}/docker-compose-linux-aarch64" && \
   echo "**** retrieve latest compose switch version ****" && \
   SWITCH_RELEASE=$(curl -sX GET "https://api.github.com/repos/docker/compose-switch/releases/latest" \
     | awk '/tag_name/{print $4;exit}' FS='[""]' \
     | sed 's|^v||') && \
-  echo "**** grab compose switch ****" && \
-  curl -fo \
-    /root-layer/docker-tgz/compose-switch_x86_64 -L \
-    "https://github.com/docker/compose-switch/releases/download/v${SWITCH_RELEASE}/docker-compose-linux-amd64" && \
-  curl -fo \
-    /root-layer/docker-tgz/compose-switch_aarch64 -L \
-    "https://github.com/docker/compose-switch/releases/download/v${SWITCH_RELEASE}/docker-compose-linux-arm64" && \
   echo "**** retrieve latest buildx version ****" && \
   BUILDX_RELEASE=$(curl -sX GET "https://api.github.com/repos/docker/buildx/releases/latest" \
     | awk '/tag_name/{print $4;exit}' FS='[""]') && \
-  echo "**** grab buildx ****" && \
-  curl -fo \
-    /root-layer/docker-tgz/docker-buildx_x86_64 -L \
-    "https://github.com/docker/buildx/releases/download/${BUILDX_RELEASE}/buildx-${BUILDX_RELEASE}.linux-amd64" && \
-  curl -fo \
-    /root-layer/docker-tgz/docker-buildx_aarch64 -L \
-    "https://github.com/docker/buildx/releases/download/${BUILDX_RELEASE}/buildx-${BUILDX_RELEASE}.linux-arm64" && \
+  mkdir -p /root-layer/docker-tgz && \
+  if [ $(uname -m) = "x86_64" ]; then \
+    echo "**** grab x86_64 tarballs and binaries ****" && \
+    curl -fo \
+      /root-layer/docker-tgz/docker.tgz -L \
+      "https://download.docker.com/linux/static/stable/x86_64/docker-${DOCKER_RELEASE}.tgz" && \
+    curl -fo \
+      /root-layer/docker-tgz/docker-compose -L \
+      "https://github.com/docker/compose/releases/download/v${COMPOSE_RELEASE}/docker-compose-linux-x86_64" && \
+    curl -fo \
+      /root-layer/docker-tgz/compose-switch -L \
+      "https://github.com/docker/compose-switch/releases/download/v${SWITCH_RELEASE}/docker-compose-linux-amd64" && \
+    curl -fo \
+      /root-layer/docker-tgz/docker-buildx -L \
+      "https://github.com/docker/buildx/releases/download/${BUILDX_RELEASE}/buildx-${BUILDX_RELEASE}.linux-amd64"; \
+  elif [ $(uname -m) = "aarch64" ]; then \
+    echo "**** grab aarch64 tarballs and binaries ****" && \
+    curl -fo \
+      /root-layer/docker-tgz/docker.tgz -L \
+      "https://download.docker.com/linux/static/stable/aarch64/docker-${DOCKER_RELEASE}.tgz" && \
+    curl -fo \
+      /root-layer/docker-tgz/docker-compose -L \
+      "https://github.com/docker/compose/releases/download/v${COMPOSE_RELEASE}/docker-compose-linux-aarch64" && \
+    curl -fo \
+      /root-layer/docker-tgz/compose-switch -L \
+      "https://github.com/docker/compose-switch/releases/download/v${SWITCH_RELEASE}/docker-compose-linux-arm64" && \
+    curl -fo \
+      /root-layer/docker-tgz/docker-buildx -L \
+      "https://github.com/docker/buildx/releases/download/${BUILDX_RELEASE}/buildx-${BUILDX_RELEASE}.linux-arm64"; \
+  fi && \
   chmod +x /root-layer/docker-tgz/* && \
   rm -rf /tmp/*
-  
 
 
 # copy local files

root/etc/s6-overlay/s6-rc.d/init-mod-universal-docker-in-docker-add-package/run

@@ -41,10 +41,10 @@ fi
 if [ -d "/docker-tgz" ] ; then
     echo "Copying over docker and docker-compose binaries"
     mkdir -p /usr/local/lib/docker/cli-plugins
-    mv "/docker-tgz/docker-compose_${ARCH}" /usr/local/lib/docker/cli-plugins/docker-compose
-    mv "/docker-tgz/docker-buildx_${ARCH}" /usr/local/lib/docker/cli-plugins/docker-buildx
-    mv "/docker-tgz/compose-switch_${ARCH}" /usr/local/bin/docker-compose
-    tar xf /docker-tgz/docker_${ARCH}.tgz \
+    mv "/docker-tgz/docker-compose" /usr/local/lib/docker/cli-plugins/docker-compose
+    mv "/docker-tgz/docker-buildx" /usr/local/lib/docker/cli-plugins/docker-buildx
+    mv "/docker-tgz/compose-switch" /usr/local/bin/docker-compose
+    tar xf /docker-tgz/docker.tgz \
         --strip-components=1 -C \
         /usr/local/bin/
     rm -rf /docker-tgz