83 lines
2.3 KiB
Bash
Executable file
83 lines
2.3 KiB
Bash
Executable file
#!/usr/bin/env bash
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set -eu;
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##
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## check input
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##
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BUILDCTL_CONTEXT=${PLUGIN_CONTEXT:-$(pwd)}
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BUILDCTL_DOCKERFILE=$(dirname "${PLUGIN_DOCKERFILE:-$BUILDCTL_CONTEXT/Dockerfile}")
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if [[ ! -f $BUILDCTL_DOCKERFILE/Dockerfile ]]; then
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echo "Dockerfile $BUILDCTL_DOCKERFILE/Dockerfile not found!"
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exit 1
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fi
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BUILDCTL_FRONTEND=${PLUGIN_FRONTEND:-dockerfile.v0}
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if [[ "$BUILDCTL_FRONTEND" != "dockerfile.v0" ]]; then
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echo "Only frontend 'dockerfile.v0' tested and supported yet."
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exit 1
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fi
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SOURCE_DATE_EPOCH=${PLUGIN_SOURCE_DATE_EPOCH:-0}
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if [[ -n "${PLUGIN_AUTH:-}" ]]; then
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echo "$PLUGIN_AUTH" | jq -r 'to_entries|map({(.key):{"auth":(.value.username+":"+.value.password)|@base64}})|add|{"auths":.}' > "$HOME/.docker/config.json"
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echo "Stored credentials at $HOME/.docker/config.json"
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echo
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fi
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##
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## build command
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##
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COMMAND="buildctl build"
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if [[ -n "${PLUGIN_ADDR:-}" ]]; then
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COMMAND+=" --addr=$PLUGIN_ADDR"
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fi
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COMMAND+=" --frontend=$BUILDCTL_FRONTEND"
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COMMAND+=" --local=context=$BUILDCTL_CONTEXT"
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COMMAND+=" --local=dockerfile=$BUILDCTL_DOCKERFILE"
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if [[ -n "${PLUGIN_PLATFORM:-}" ]]; then
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COMMAND+=" --opt=platform=$PLUGIN_PLATFORM"
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fi
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COMMAND+=" --opt=build-arg:SOURCE_DATE_EPOCH=$SOURCE_DATE_EPOCH"
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# https://github.com/moby/buildkit/blob/master/README.md#output
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if [[ -n "${PLUGIN_NAME:-}" ]]; then
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OUTPUT="type=image"
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if [[ "$PLUGIN_NAME" =~ .*,.* ]]; then
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# https://github.com/moby/buildkit/issues/797#issuecomment-1561601104
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OUTPUT+=",\"name=$PLUGIN_NAME\""
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else
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OUTPUT+=",name=$PLUGIN_NAME"
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fi
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if [[ -n "${PLUGIN_ANNOTATION:-}" ]]; then
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OUTPUT+="$(eval "echo \"${PLUGIN_ANNOTATION//\"/\\\"}\"" | jq --join-output 'keys[] as $k|",annotation.\($k)=\(.[$k])"')"
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fi
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OUTPUT+=",push=${PLUGIN_PUSH:-true},oci-mediatypes=true,compression=estargz,compression-level=9,rewrite-timestamp=true"
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COMMAND+=" --output='$OUTPUT'"
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fi
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##
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## execute command
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##
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echo
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echo Reproduce with docker:
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echo
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echo " docker buildx build ${PLUGIN_CONTEXT:-.} \\"
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echo " --no-cache \\"
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echo " --provenance=false \\"
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echo " --build-arg=SOURCE_DATE_EPOCH=$SOURCE_DATE_EPOCH \\"
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if [[ -n "${PLUGIN_PLATFORM:-}" ]]; then
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echo " --platform='$PLUGIN_PLATFORM' \\"
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fi
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if [[ -n "${OUTPUT:-}" ]]; then
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echo " --output='${OUTPUT//push=true/push=false}'"
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fi
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echo
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echo Running now:
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echo
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echo -e " ${COMMAND// --/ \\n --}"
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echo
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eval "$COMMAND"
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