在docker内部,由于这个错误,我似乎无法编译我的GRPC微服务:

Step 4/9 : RUN make build
 ---> Running in ceb6e4d0e19b
protoc --version
libprotoc 3.12.4
protoc --proto_path=pkg/proto/notify/ --go_out=pkg/proto/notify/ --go-grpc_out=pkg/proto/notify/ --go_opt=paths=source_relative --go-grpc_opt=paths=source_relative notify.proto

plugin versions reported in *.pb.go files:
./pkg/proto/notify/notify.pb.go://  protoc-gen-go v1.25.0-devel
./pkg/proto/notify/notify.pb.go://  protoc        v3.12.4

go build -o notify-service *.go
go: downloading github.com/lib/pq v1.7.0
go: downloading google.golang.org/grpc v1.27.0
go: downloading github.com/jinzhu/gorm v1.9.14
go: downloading github.com/aws/aws-sdk-go v1.33.7
go: downloading github.com/go-kit/kit v0.10.0
go: downloading google.golang.org/protobuf v1.25.0
go: downloading github.com/go-co-op/gocron v0.2.1
go: downloading github.com/sirupsen/logrus v1.6.0
go: downloading github.com/golang/protobuf v1.4.2
go: downloading github.com/matcornic/hermes/v2 v2.1.0
go: downloading github.com/jhillyerd/enmime v0.8.1
go: downloading golang.org/x/sys v0.0.0-20200523222454-059865788121
go: downloading github.com/jaytaylor/html2text v0.0.0-20190408195923-01ec452cbe43
go: downloading github.com/vanng822/go-premailer v0.0.0-20191214114701-be27abe028fe
go: downloading github.com/imdario/mergo v0.3.9
go: downloading github.com/russross/blackfriday/v2 v2.0.1
go: downloading github.com/jinzhu/inflection v1.0.0
go: downloading github.com/Masterminds/sprig v2.16.0+incompatible
go: downloading golang.org/x/net v0.0.0-20200520182314-0ba52f642ac2
go: downloading github.com/PuerkitoBio/goquery v1.5.1
go: downloading github.com/pkg/errors v0.9.1
go: downloading golang.org/x/text v0.3.2
go: downloading github.com/vanng822/css v0.0.0-20190504095207-a21e860bcd04
go: downloading github.com/shurcooL/sanitized_anchor_name v1.0.0
go: downloading github.com/aokoli/goutils v1.0.1
go: downloading google.golang.org/genproto v0.0.0-20200526211855-cb27e3aa2013
go: downloading gopkg.in/gormigrate.v1 v1.6.0
go: downloading github.com/gorilla/css v1.0.0
go: downloading github.com/ssor/bom v0.0.0-20170718123548-6386211fdfcf
go: downloading github.com/andybalholm/cascadia v1.1.0
go: downloading github.com/gogs/chardet v0.0.0-20150115103509-2404f7772561
go: downloading golang.org/x/crypto v0.0.0-20200510223506-06a226fb4e37
go: downloading github.com/olekukonko/tablewriter v0.0.1
go: downloading github.com/cention-sany/utf7 v0.0.0-20170124080048-26cad61bd60a
go: downloading github.com/huandu/xstrings v1.2.0
go: downloading github.com/Masterminds/semver v1.4.2
go: downloading github.com/google/uuid v1.1.1
go: downloading github.com/mattn/go-runewidth v0.0.4
go: downloading github.com/go-logfmt/logfmt v0.5.0
go: downloading github.com/jmespath/go-jmespath v0.3.0
# gitlab.com/kuecr/fero/backend/notify/pkg/proto/notify
pkg/proto/notify/notify_grpc.pb.go:14:11: undefined: grpc.SupportPackageIsVersion7
pkg/proto/notify/notify_grpc.pb.go:71:30: undefined: grpc.ServiceRegistrar
make: *** [Makefile:14: build] Error 2
ERROR: Service 'notify' failed to build: The command '/bin/sh -c make build' returned a non-zero code: 2
make: *** [Makefile:64: build/notify] Error 1

然而,在Docker之外,它的运行和编译是成功的.

这是我的基本Docker图像:

RG go_version

FROM golang:${go_version}-buster

ARG pb_version

RUN apt-get update && apt-get install -y build-essential curl git wget unzip && rm -rf /var/lib/apt/lists/*

RUN wget https://github.com/protocolbuffers/protobuf/releases/download/v${pb_version}/protobuf-cpp-${pb_version}.zip && \
        unzip protobuf-cpp-${pb_version}.zip && \
        cd protobuf-${pb_version} && \
        ./configure  && \
        make  && \
        make check  && \
        make install  && \
        ldconfig && \
        cd ../ && \
        rm -rf protobuf-*

RUN go get github.com/githubnemo/CompileDaemon && \
        go get github.com/golang/protobuf/protoc-gen-go && \
        go get github.com/grpc/grpc-go/cmd/protoc-gen-go-grpc && \
        go install github.com/golang/protobuf/protoc-gen-go && \
        go install github.com/grpc/grpc-go/cmd/protoc-gen-go-grpc

这是完成编译的Docker镜像:

FROM registry.gitlab.com/kuecr/devops/go-protobuf-base:1.14 as base

WORKDIR /app

COPY . .

RUN make build

FROM base as testing

ENTRYPOINT ["make", "test"]

FROM base as production

RUN make build

ENTRYPOINT CompileDaemon -log-prefix=false -build="go build -o notify-service" -command="./notify-service"

我的docker和docker compose以及protoc版本:

✖ docker --version && docker-compose --version
Docker version 19.03.12-ce, build 48a66213fe
docker-compose version 1.26.2, build unknown
➜ protoc --version
libprotoc 3.12.4

当我在我的机器上运行make build时,会发生以下情况:

➜ make build
protoc --version
libprotoc 3.12.4
protoc --proto_path=pkg/proto/notify/ --go_out=pkg/proto/notify/ --go-grpc_out=pkg/proto/notify/ --go_opt=paths=source_relative --go-grpc_opt=paths=source_relative notify.proto

plugin versions reported in *.pb.go files:
./pkg/proto/notify/notify.pb.go://  protoc-gen-go v1.25.0
./pkg/proto/notify/notify.pb.go://  protoc        v3.12.4

go build -o notify-service *.go

我使用的是Golang 1.15,而Docker映像使用的是1.14.

推荐答案

此错误的要点是用于生成代码的二进制版本与当前版本的代码不兼容.一个快速而简单的解决方案是try 将protoc-gen-go编译器和GRPC库更新到最新版本.

go 拿-u github.com/golang/protobuf/protoc gen go

然后重新生成原型

heres指向讨论该问题的reddit帖子的链接

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