.dockerignore

@@ -1,2 +0,0 @@
-ci/
-README.md

Dockerfile

@@ -1,7 +1,6 @@
 FROM moby/buildkit
 
 COPY entrypoint.sh /usr/local/bin/entrypoint.sh
-COPY entrypoint.sh /usr/local/bin/build
 ENTRYPOINT [ "entrypoint.sh" ]
 
 

README.md

@@ -1,14 +0,0 @@
-# concourse-buildkit
-
-A docker image to build multiarch images on [concourse](https://concourse-ci.org).
-
-## parameters
-
-- dest: Required. The output path for the oci image.
-- platform: Optional. A comma seperated list of target platforms, default: current platform
-- context: The context with which to build.
-- manual: Optional. Don't use params and instead supply all arguments via the command line, default: `false`
-
-## Example
-
-To view a simple invocation just look at [pipeline.yml](ci/pipeline.yml).

ci/pipeline.yml

@@ -1,68 +0,0 @@
----
-resources:
-- name: source
-  type: git
-  source:
-    uri: https://gitea.redxef.at/redxef/concourse-buildkit
-    branch: master
-    fetch_tags: true
-- name: upstream-image
-  type: registry-image
-  check_every: 6h
-  source:
-    repository: moby/buildkit
-
-jobs:
-- name: build-push
-  plan:
-  - get: source
-    trigger: true
-  - get: upstream-image
-    trigger: true
-  - task: compute-docker-tags
-    config:
-      platform: linux
-      image_resource:
-        type: registry-image
-        source:
-          repository: alpine/git
-      inputs:
-      - name: source
-        path: .
-      outputs:
-      - name: docker-tags
-      run:
-        path: sh
-        args:
-        - -c
-        - |
-          #!/usr/bin/env sh
-          git rev-parse --short HEAD > docker-tags/tags.txt
-          git show-ref --tags | \
-              sed -n "/$(git rev-parse HEAD)/ s|$(git rev-parse HEAD).refs/tags/||gp" \
-              >> docker-tags/tags.txt
-  - task: build
-    privileged: true
-    config:
-      platform: linux
-      image_resource:
-        type: registry-image
-        source:
-          repository: redxef/concourse-buildkit
-          tag: v0.2.1
-      inputs:
-      - name: source
-        path: .
-      - name: docker-tags
-      params:
-        username: ((docker.username))
-        password: ((docker.password))
-        repository: docker.io/redxef/concourse-buildkit
-        tag: latest
-        additional_tags: docker-tags/tags.txt
-        push: true
-        platform: aarch64,arm,ppc64le,s390x,x86_64
-        context: .
-        manual: false
-      run:
-        path: build

entrypoint.sh

@@ -1,47 +1,24 @@
 #!/usr/bin/env sh
 
-fail() {
-    echo "Error:" "$@" 1>&2
-    exit 1
+DOCKER_LOGIN_FILE_TMPL='{
+    "auths": {
+        "{{REGISTRY_URL}}": {
+            "auth": "{{BASE64_UNAME_PW}}"
+        }
+    }
+}'
+
+docker_login() {
+    # TODO: detect registry url
+    mkdir -p "$HOME/.docker"
+    echo "$DOCKER_LOGIN_FILE_TMPL" | \
+        sed -e "s|{{BASE64_UNAME_PW}}|$(printf '%s:%s' "$username" "$password" | base64)|g" \
+            -e "s|{{REGISTRY_URL}}|https://index.docker.io/v1/|g" \
+        > "$HOME/.docker/config.json"
 }
 
-echo_and_run() {
-    echo "$@"
-    "$@"
-}
-
-plain() {
-    buildctl-daemonless.sh "$@"
-}
-
-build() {
-    if [ -z "$dest" ]; then
-        fail "missing argument: dest"
-    fi
-    if [ -z "$context" ]; then
-        context=.
-    fi
-    if [ -z "$platform" ]; then
-        platform=""
-    else
-        platform="--opt platform=$platform"
-    fi
-
-    echo_and_run buildctl-daemonless.sh \
-        build \
-        --frontend dockerfile.v0 \
-        --local context="$context" \
-        --local dockerfile="$context" \
-        $platform \
-        --output type=oci,dest="$dest"
-}
-
-if [ -z "$manual" ]; then
-    manual=false
+if [ -n "$username" ]; then
+    docker_login
 fi
 
-if "$manual"; then
-    plain "$@"
-else
-    build
-fi
+buildctl-daemonless.sh "$@"