Merge pull request #26 from deepfence/fix-musl

Fix build with musl

Author: vadorovsky

.github/workflows/build.yml

@@ -0,0 +1,26 @@
+name: build
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-go@v2
+        with:
+          go-version: "1.17"
+      - name: Build
+        run: make docker-bin
+        env:
+          DOCKER_BUILDKIT: 1
+          COMPOSE_DOCKER_CLI_BUILD: 1
+      - name: Test
+        run: make docker-test
+        env:
+          DOCKER_BUILDKIT: 1
+          COMPOSE_DOCKER_CLI_BUILD: 1

Dockerfile

@@ -24,7 +24,8 @@ RUN git clone --branch libpcap-1.10.1 --depth 1 https://github.com/the-tcpdump-g
 COPY . /src
 WORKDIR /src
 ARG RELEASE=0
-RUN make build STATIC=1 RELEASE=${RELEASE}
+RUN --mount=type=cache,target=/root/.cache/go-build \
+    make build STATIC=1 RELEASE=${RELEASE}
 
 FROM alpine:3.15 as packetstreamer
 

Makefile

@@ -1,9 +1,12 @@
 IMAGE ?= docker.io/deepfenceio/deepfence_packetstreamer
+IMAGE_BUILD ?= docker.io/deepfenceio/deepfence_packetstreamer_build
 CC ?= gcc
 LDFLAGS ?=
+TAGS ?=
 STATIC ?= 0
 ifeq ($(STATIC),1)
 	LDFLAGS += -linkmode external -extldflags "-static"
+	TAGS += musl
 endif
 RELEASE ?= 0
 ifeq ($(RELEASE),1)
@@ -15,7 +18,7 @@ endif
 all: build
 
 build:
-	go build --ldflags '$(LDFLAGS)' -o packetstreamer ./main.go
+	go build -tags '$(TAGS)' --ldflags '$(LDFLAGS)' -o packetstreamer ./main.go
 
 docker-bin: docker-image
 	docker cp $(shell docker create --rm $(IMAGE)):/usr/bin/packetstreamer .
@@ -26,5 +29,9 @@ docker-image:
 docker-push:
 	docker push $(IMAGE)
 
+docker-test:
+	docker build -t $(IMAGE_BUILD) --target builder .
+	docker run --rm $(IMAGE_BUILD) make test STATIC=1
+
 test:
-	go test ./...
+	go test -tags '$(TAGS)' ./...