fix: container image building issue

Signed-off-by: STRRL <[email protected]>

Dockerfile

@@ -3,11 +3,20 @@
 FROM golang:1.19 AS build-env
 ENV GO111MODULE on
 WORKDIR /
-RUN git clone --depth 1 --branch v1.7.0 https://github.com/coredns/coredns
+RUN git clone --depth 1 --branch v1.7.1 https://github.com/coredns/coredns
 COPY . /k8s_dns_chaos
-RUN ln -s /k8s_dns_chaos /coredns/plugin/k8s_dns_chaos
-RUN echo "k8s_dns_chaos:k8s_dns_chaos" >> plugin.cfg
-RUN cd coredns && make
+# RUN ln -s /k8s_dns_chaos /coredns/plugin/k8s_dns_chaos
+RUN echo "k8s_dns_chaos:github.com/chaos-mesh/k8s_dns_chaos" >> /coredns/plugin.cfg
+RUN --mount=type=cache,target=/go \
+    cd coredns && \
+    go mod edit -require github.com/chaos-mesh/[email protected] && \
+    go mod edit -replace github.com/chaos-mesh/k8s_dns_chaos=/k8s_dns_chaos && \ 
+    go mod edit -replace google.golang.org/grpc=google.golang.org/[email protected] && \
+    go get github.com/chaos-mesh/k8s_dns_chaos && \
+    go generate && \
+    go mod tidy
+RUN --mount=type=cache,target=/go \
+    cd coredns && make
 
 FROM debian:stable-slim AS certs
 RUN apt-get update && apt-get -uy upgrade
@@ -18,4 +27,5 @@ LABEL org.opencontainers.image.source=https://github.com/chaos-mesh/k8s_dns_chao
 COPY --from=certs /etc/ssl/certs /etc/ssl/certs
 COPY --from=build-env /coredns/coredns /coredns
 EXPOSE 53 53/udp
+ENV GOLANG_PROTOBUF_REGISTRATION_CONFLICT=warn
 ENTRYPOINT ["/coredns"]

Makefile

@@ -10,6 +10,10 @@ coredns: image ## Build the coredns executable binary
 	docker container cp extract-coredns:/coredns ./coredns
 	docker container rm -f extract-coredns
 
+protoc: ## Generate the protobuf code
+	go install google.golang.org/protobuf/cmd/protoc-gen-go@latest
+	protoc --proto_path=pb --go_out=pb --go_opt=paths=source_relative ./pb/dns.proto
+
 # The help will print out all targets with their descriptions organized bellow their categories. The categories are represented by `##@` and the target descriptions by `##`.
 # The awk commands is responsible to read the entire set of makefiles included in this invocation, looking for lines of the file as xyz: ## something, and then pretty-format the target and help. Then, if there's a line with ##@ something, that gets pretty-printed as a category.
 # More info over the usage of ANSI control characters for terminal formatting: https://en.wikipedia.org/wiki/ANSI_escape_code#SGR_parameters