# 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 golang:1.12-alpine3.9 AS build-env

# Install required packages
RUN apk add --no-cache \
        wget=1.20.3-r0 \
        git=2.20.1-r0 \
        make=4.2.1-r2 \
        build-base=0.5-r1 \
        protobuf=3.6.1-r1 \
        protobuf-dev=3.6.1-r1

# Prepare directory structure
RUN mkdir -p /build/src/arouter \
        "$GOPATH/src/" "$GOPATH/pkg" "$GOPATH/bin"

WORKDIR /build/src/arouter

# Copy source
COPY . .

# Copy config
COPY arouter.json  /build

# Copy config and runtime protobuf needed for routing
RUN cp vendor/github.com/opencord/voltha-protos/voltha.pb /build

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 go build -mod=vendor -o /build/afrouter \
	-ldflags \
	"-X github.com/opencord/voltha-lib-go/v2/pkg/version.version=$org_label_schema_version \
	 -X github.com/opencord/voltha-lib-go/v2/pkg/version.vcsRef=$org_label_schema_vcs_ref  \
	 -X github.com/opencord/voltha-lib-go/v2/pkg/version.vcsDirty=$org_opencord_vcs_dirty \
	 -X github.com/opencord/voltha-lib-go/v2/pkg/version.goVersion=$(go version 2>&1 | sed -E  's/.*go([0-9]+\.[0-9]+\.[0-9]+).*/\1/g') \
	 -X github.com/opencord/voltha-lib-go/v2/pkg/version.os=$(go env GOHOSTOS) \
	 -X github.com/opencord/voltha-lib-go/v2/pkg/version.arch=$(go env GOHOSTARCH) \
	 -X github.com/opencord/voltha-lib-go/v2/pkg/version.buildTime=$org_label_schema_build_date" \
         cmd/arouter/arouter.go
# -------------
# Image creation stage

FROM alpine:3.9.4

# Set the working directory
WORKDIR /app

# Copy required files
COPY --from=build-env /build/afrouter /app/
COPY --from=build-env /build/arouter.json /app/
COPY --from=build-env /build/voltha.pb /app

# 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=afrouter \
      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=$org_opencord_vcs_commit_date \
      org.opencord.vcs-commit-dirty=$org_opencord_vcs_dirty