switch to go binary

.github/workflows/ci.yaml

@@ -24,6 +24,21 @@ jobs:
     steps:
     - name: checkout
       uses: actions/checkout@v3
+    - uses: actions/setup-go@v3
+      with:
+        go-version: '1.19'
+    - name: golangci-lint
+      uses: golangci/golangci-lint-action@v3
+      with:
+        version: latest
+    - name: Build
+      run: go build -o dist/mysql-backup -v .
+    - name: vet
+      run: make vet
+    - name: Test
+      run: make test
+    - name: Integration Test
+      run: make integration_test
     - name: Set up QEMU
       uses: docker/setup-qemu-action@v2
     - name: Set up Docker Buildx

.github/workflows/release.yaml

@@ -31,12 +31,24 @@ jobs:
         with:
           username: ${{ secrets.DOCKER_USERNAME }}
           password: ${{ secrets.DOCKER_PASSWORD }}
-      - name: Build and push
-        id: docker_build
+      - name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          # list of Docker images to use as base name for tags
+          images: |
+            ${{env.IMAGE_NAME}}
+          # generate Docker tags based on the following events/attributes
+          # for any semver, including rc and alpha, etc. take the tag as is
+          # for ones that are exactly X.Y.Z, also tag it as latest
+          tags: |
+            type=semver,pattern={{version}}
+            type=semver,pattern={{major}}.{{minor}}.{{patch}},value=latest
+      - name: Build and push semver tag
+        id: docker_build_push_semver
         uses: docker/build-push-action@v2
         with:
           push: true
           platforms: linux/amd64,linux/arm64
           tags: |
-            ${{env.IMAGE_NAME}}:${{ github.ref_name }}
-            ${{env.IMAGE_NAME}}:latest
+            ${{ steps.meta.outputs.tags }}

.gitignore

@@ -0,0 +1,2 @@
+dist/
+tmp/

Dockerfile

@@ -1,25 +1,23 @@
 # mysql backup image
-FROM alpine:3.17
-LABEL org.opencontainers.image.authors="https://github.com/deitch"
+FROM golang:1.19.6-alpine3.17 as build
+
+COPY . /src/mysql-backup
+WORKDIR /src/mysql-backup
 
-# install the necessary client
-# the mysql-client must be 10.3.15 or later
-RUN apk add --update 'mariadb-client>10.3.15' mariadb-connector-c bash python3 py3-pip samba-client shadow openssl coreutils && \
-    rm -rf /var/cache/apk/* && \
-    touch /etc/samba/smb.conf && \
-    pip3 install awscli
+RUN mkdir /out && go build -o /out/mysql-backup .
+
+# we would do from scratch, but we need basic utilities in order to support pre/post scripts
+FROM alpine:3.17
+LABEL org.opencontainers.image.authors="https://github.com/databacker"
 
 # set us up to run as non-root user
-RUN groupadd -g 1005 appuser && \
-    useradd -r -u 1005 -g appuser appuser
-# add home directory for user so IRSA AWS auth works
-RUN mkdir -p /home/appuser && chmod 0755 /home/appuser && chown appuser /home/appuser
-# ensure smb stuff works correctly
-RUN mkdir -p /var/cache/samba && chmod 0755 /var/cache/samba && chown appuser /var/cache/samba && chown appuser /var/lib/samba/private
+RUN apk add bash
+RUN addgroup -g 1005 appuser && \
+    adduser -u 1005 -G appuser -D appuser
 USER appuser
 
-# install the entrypoint
-COPY functions.sh /
+COPY --from=build /out/mysql-backup /mysql-backup
+
 COPY entrypoint /entrypoint
 
 # start

Makefile

@@ -13,19 +13,19 @@ push: build
 	docker tag $(BUILDIMAGE) $(TARGET)
 	docker push $(TARGET)
 
-test_dump:
-	cd test && DEBUG=$(DEBUG) ./test_dump.sh
+integration_test:
+	go test -v ./test --tags=integration
 
-test_cron:
-	cd test && ./test_cron.sh
+integration_test_debug:
+	dlv --wd=./test test ./test --build-flags="-tags=integration"
 
-test_source_target:
-	cd test && ./test_source_target.sh
+vet:
+	go vet --tags=integration ./...
 
-test_restore:
-	cd test && ./test_restore.sh
+test: unit_test integration_test
 
-test: test_dump test_restore test_cron test_source_target
+unit_test:
+	go test -v ./...
 
 .PHONY: clean-test-stop clean-test-remove clean-test
 clean-test-stop:
@@ -39,15 +39,5 @@ clean-test-remove:
 	$(eval IDS:=$(shell docker ps -a --filter label=mysqltest -q))
 	@if [ -n "$(IDS)" ]; then docker rm $(IDS); fi
 	@echo
-	@echo Remove Volumes
-	$(eval IDS:=$(shell docker volume ls --filter label=mysqltest -q))
-	@if [ -n "$(IDS)" ]; then docker volume rm $(IDS); fi
-	@echo
-
-clean-test-network:
-	@echo Remove Networks
-	$(eval IDS:=$(shell docker network ls --filter label=mysqltest -q))
-	@if [ -n "$(IDS)" ]; then docker network rm $(IDS); fi
-	@echo
 
-clean-test: clean-test-stop clean-test-remove clean-test-network
+clean-test: clean-test-stop clean-test-remove