# Copyright 2016 the original author or authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

# -------------
# Build stage

FROM --platform=linux/amd64 golang:1.16.3-alpine3.13 AS dev

# Install required packages
RUN apk add --no-cache build-base=0.5-r2

# Use Standard go build directory structure
WORKDIR /go/src
COPY . .

ARG EXTRA_GO_BUILD_TAGS=""

ARG org_label_schema_version=unknown
ARG org_label_schema_vcs_url=unknown
ARG org_label_schema_vcs_ref=unknown
ARG org_label_schema_build_date=unknown
ARG org_opencord_vcs_commit_date=unknown
ARG org_opencord_vcs_dirty=unknown

# Build
SHELL ["/bin/ash", "-o", "pipefail", "-c"]
RUN \
CGO_ENABLED=0 go build $EXTRA_GO_BUILD_TAGS -mod=vendor -o /app/openolt \
-ldflags \
"-X github.com/opencord/voltha-lib-go/v4/pkg/version.version=$org_label_schema_version \
-X github.com/opencord/voltha-lib-go/v4/pkg/version.vcsRef=$org_label_schema_vcs_ref \
-X github.com/opencord/voltha-lib-go/v4/pkg/version.vcsDirty=$org_opencord_vcs_dirty \
-X github.com/opencord/voltha-lib-go/v4/pkg/version.goVersion=$(go version 2>&1 | sed -E  's/.*go([0-9]+\.[0-9]+\.[0-9]+).*/\1/g') \
-X github.com/opencord/voltha-lib-go/v4/pkg/version.os=$(go env GOHOSTOS) \
-X github.com/opencord/voltha-lib-go/v4/pkg/version.arch=$(go env GOHOSTARCH) \
-X github.com/opencord/voltha-lib-go/v4/pkg/version.buildTime=$org_label_schema_build_date" \
./cmd/openolt-adapter/

WORKDIR /app

# -------------
# Image creation stage

FROM --platform=linux/amd64 gcr.io/distroless/static:nonroot AS prod

# Set the working directory
WORKDIR /app

# Copy required files
COPY --from=dev /app/openolt /app/openolt

# Label image
ARG org_label_schema_version=unknown
ARG org_label_schema_vcs_url=unknown
ARG org_label_schema_vcs_ref=unknown
ARG org_label_schema_build_date=unknown
ARG org_opencord_vcs_commit_date=unknown
ARG org_opencord_vcs_dirty=unknown

LABEL \
org.label-schema.schema-version=1.0 \
org.label-schema.name=voltha-openolt-adapter-go \
org.label-schema.version=$org_label_schema_version \
org.label-schema.vcs-url=$org_label_schema_vcs_url \
org.label-schema.vcs-ref=$org_label_schema_vcs_ref \
org.label-schema.build-date=$org_label_schema_build_date \
org.opencord.vcs-commit-date=$org_opencord_vcs_commit_date \
org.opencord.vcs-dirty=$org_opencord_vcs_dirty

USER nonroot:nonroot