docker里面设置GO环境变量的问题

Question

docker里面设置GO环境变量的问题

zhanghanke opened this issue 3 years ago · comments

在实践一下部署流程，在docker的时候报错:

�[91mgo mod download: github.com/globalsign/mgo@v0.0.0-20181015135952-eeefdecb41b8: Get "https://proxy.golang.org/github.com/globalsign/mgo/@v/v0.0.0-20181015135952-eeefdecb41b8.info": dial tcp 142.251.42.241:443: i/o timeout
go mod download: github.com/golang-jwt/jwt@v3.2.1+incompatible: Get "https://proxy.golang.org/github.com/golang-jwt/jwt/@v/v3.2.1+incompatible.info": dial tcp 142.251.43.17:443: i/o timeout
go mod download: github.com/tal-tech/go-zero@v1.2.2: Get "https://proxy.golang.org/github.com/tal-tech/go-zero/@v/v1.2.2.info": dial tcp 142.251.42.241:443: i/o timeout

即时我自己打开/var/lib/jenkins/workspace/book/Dockerfile，添加一下RUN go env，发现打印的结果有点奇怪。
GO111MODULE没开on，提示下载不到。

Step 8/17 : RUN go env
---> Running in 6e8597623344
> GO111MODULE=""
GOARCH="amd64"
GOBIN=""
GOCACHE="/root/.cache/go-build"
GOENV="/root/.config/go/env"
GOEXE=""
GOEXPERIMENT=""
GOFLAGS=""
GOHOSTARCH="amd64"
GOHOSTOS="linux"
GOINSECURE=""
GOMODCACHE="/go/pkg/mod"
GONOPROXY=""
GONOSUMDB=""
GOOS="linux"
GOPATH="/go"
GOPRIVATE=""
> GOPROXY="https://proxy.golang.org,direct"
GOROOT="/usr/local/go"
GOSUMDB="sum.golang.org"
GOTMPDIR=""
GOTOOLDIR="/usr/local/go/pkg/tool/linux_amd64"
GOVCS=""
GOVERSION="go1.17.2"
GCCGO="gccgo"
AR="ar"
CC="gcc"
CXX="g++"
CGO_ENABLED="0"
GOMOD="/build/zero/go.mod"
CGO_CFLAGS="-g -O2"
CGO_CPPFLAGS=""
CGO_CXXFLAGS="-g -O2"
CGO_FFLAGS="-g -O2"
CGO_LDFLAGS="-g -O2"
PKG_CONFIG="pkg-config"
GOGCCFLAGS="-fPIC -m64 -fno-caret-diagnostics -Qunused-arguments -fmessage-length=0 -fdebug-prefix-map=/tmp/go-build2483992440=/tmp/go-build -gno-record-gcc-switches"
Removing intermediate container 6e8597623344
---> de5d455c4788
Step 9/17 : RUN go mod download
---> Running in 060b007757fa
�[91mgo mod download: github.com/globalsign/mgo@v0.0.0-20181015135952-eeefdecb41b8: Get "https://proxy.golang.org/github.com/globalsign/mgo/@v/v0.0.0-20181015135952-eeefdecb41b8.info": dial tcp 142.251.42.241:443: i/o timeout
go mod download: github.com/golang-jwt/jwt@v3.2.1+incompatible: Get "https://proxy.golang.org/github.com/golang-jwt/jwt/@v/v3.2.1+incompatible.info": dial tcp 142.251.43.17:443: i/o timeout
go mod download: github.com/tal-tech/go-zero@v1.2.2: Get "https://proxy.golang.org/github.com/tal-tech/go-zero/@v/v1.2.2.info": dial tcp 142.251.42.241:443: i/o timeout

如果我在/var/lib/jenkins/workspace/book/Dockerfile里面设置GO111MODULE=on，反倒会报不在GOPATH的错误。
有点不解啊。
---> Running in d24b59b77efe
GO111MODULE="on"
GOARCH="amd64"
GOBIN=""
GOCACHE="/root/.cache/go-build"
GOENV="/root/.config/go/env"
GOEXE=""
GOEXPERIMENT=""
GOFLAGS=""
GOHOSTARCH="amd64"
GOHOSTOS="linux"
GOINSECURE=""
GOMODCACHE="/go/pkg/mod"
GONOPROXY=""
GONOSUMDB=""
GOOS="linux"
GOPATH="/go"
GOPRIVATE=""
GOPROXY="https://goproxy.cn,direct"
GOROOT="/usr/local/go"
GOSUMDB="sum.golang.org"
GOTMPDIR=""
GOTOOLDIR="/usr/local/go/pkg/tool/linux_amd64"
GOVCS=""
GOVERSION="go1.17.2"
GCCGO="gccgo"
AR="ar"
CC="gcc"
CXX="g++"
CGO_ENABLED="0"
GOMOD="/dev/null"
CGO_CFLAGS="-g -O2"
CGO_CPPFLAGS=""
CGO_CXXFLAGS="-g -O2"
CGO_FFLAGS="-g -O2"
CGO_LDFLAGS="-g -O2"
PKG_CONFIG="pkg-config"
GOGCCFLAGS="-fPIC -m64 -fno-caret-diagnostics -Qunused-arguments -fmessage-length=0 -fdebug-prefix-map=/tmp/go-build3884164958=/tmp/go-build -gno-record-gcc-switches"
Removing intermediate container d24b59b77efe
---> 0f9d207cc600
Step 9/19 : ADD go.mod .
---> 2028a80fb854
Step 10/19 : ADD go.sum .
---> d1cd0d58a36d
Step 11/19 : RUN go mod download
---> Running in 6acbbb73482f
Removing intermediate container 6acbbb73482f
---> 61fac67630c7
Step 12/19 : COPY . .
---> a3a82c730220
Step 13/19 : RUN go build -ldflags="-s -w" -o /app/user user/cmd/api/service/user/cmd/api/user.go
---> Running in e0e6ecf0a91d
�[91mpackage user/cmd/api/service/user/cmd/api/user.go is not in GOROOT (/usr/local/go/src/user/cmd/api/service/user/cmd/api/user.go)
�[0mThe command '/bin/sh -c go build -ldflags="-s -w" -o /app/user user/cmd/api/service/user/cmd/api/user.go' returned a non-zero code: 1

求大佬指教

zhanghanke · Answer 1 · Fri Oct 29 2021 17:49:36 GMT+0800 (China Standard Time)

跟踪到源码，发现在docker template里面已经有判断是不是**的生成选项了。。后面应该完善一下文档。。

package docker

import (
"github.com/tal-tech/go-zero/tools/goctl/util"
"github.com/urfave/cli"
)

const (
category = "docker"
dockerTemplateFile = "docker.tpl"
dockerTemplate = `FROM golang:alpine AS builder

LABEL stage=gobuilder

ENV CGO_ENABLED 0
ENV GOOS linux
{{if .Chinese}}ENV GOPROXY https://goproxy.cn,direct
{{end}}
WORKDIR /build/zero

ADD go.mod .
ADD go.sum .
RUN go mod download
COPY . .
{{if .Argument}}COPY {{.GoRelPath}}/etc /app/etc
{{end}}RUN go build -ldflags="-s -w" -o /app/{{.ExeFile}} {{.GoRelPath}}/{{.GoFile}}

FROM alpine

RUN apk update --no-cache && apk add --no-cache ca-certificates tzdata
ENV TZ Asia/Shanghai

WORKDIR /app
COPY --from=builder /app/{{.ExeFile}} /app/{{.ExeFile}}{{if .Argument}}
COPY --from=builder /app/etc /app/etc{{end}}
{{if .HasPort}}
EXPOSE {{.Port}}
{{end}}
CMD ["./{{.ExeFile}}"{{.Argument}}]

`
)

Kevin Wan · Answer 2 · Fri Oct 29 2021 22:14:00 GMT+0800 (China Standard Time)

你的意思是这个已经没有问题了，对吧？

zhanghanke · Answer 3 · Fri Oct 29 2021 22:50:50 GMT+0800 (China Standard Time)

你的意思是这个已经没有问题了，对吧？
我修改了系统的时区后，生成的DOCKERFILE正常了。但Docker build仍然提示不在GOROOT里面

Step 1/20 : FROM golang:alpine AS builder
---> 35cd8c8897b1
Step 2/20 : LABEL stage=gobuilder
---> Using cache
---> 9526c57f6b6b
Step 3/20 : ENV CGO_ENABLED 0
---> Using cache
---> 8dbbca4b31c3
Step 4/20 : ENV GOOS linux
---> Using cache
---> 1b0265c2c39f
Step 5/20 : ENV GO111MODULE on
---> Using cache
---> f2475e2265e9
Step 6/20 : ENV GOPROXY https://goproxy.cn,direct
---> Using cache
---> ab0683ac7ad1
Step 7/20 : ENV GOMODCACHE /root/go/pkg/mod
---> Running in 06fb239a5a74
Removing intermediate container 06fb239a5a74
---> 268a7ca63667
Step 8/20 : RUN go env
---> Running in 135e4c994a86
GO111MODULE="on"
GOARCH="amd64"
GOBIN=""
GOCACHE="/root/.cache/go-build"
GOENV="/root/.config/go/env"
GOEXE=""
GOEXPERIMENT=""
GOFLAGS=""
GOHOSTARCH="amd64"
GOHOSTOS="linux"
GOINSECURE=""
GOMODCACHE="/root/go/pkg/mod"
GONOPROXY=""
GONOSUMDB=""
GOOS="linux"
GOPATH="/go"
GOPRIVATE=""
GOPROXY="https://goproxy.cn,direct"
GOROOT="/usr/local/go"
GOSUMDB="sum.golang.org"
GOTMPDIR=""
GOTOOLDIR="/usr/local/go/pkg/tool/linux_amd64"
GOVCS=""
GOVERSION="go1.17.2"
GCCGO="gccgo"
AR="ar"
CC="gcc"
CXX="g++"
CGO_ENABLED="0"
GOMOD="/dev/null"
CGO_CFLAGS="-g -O2"
CGO_CPPFLAGS=""
CGO_CXXFLAGS="-g -O2"
CGO_FFLAGS="-g -O2"
CGO_LDFLAGS="-g -O2"
PKG_CONFIG="pkg-config"
GOGCCFLAGS="-fPIC -m64 -fno-caret-diagnostics -Qunused-arguments -fmessage-length=0 -fdebug-prefix-map=/tmp/go-build2033944662=/tmp/go-build -gno-record-gcc-switches"
Removing intermediate container 135e4c994a86
---> 532027491463
Step 9/20 : WORKDIR /build/zero
---> Running in b641a134458e
Removing intermediate container b641a134458e
---> 15b4b08ffd98
Step 10/20 : ADD go.mod .
---> ea3142a9dced
Step 11/20 : ADD go.sum .
---> a2f0266e307e
Step 12/20 : RUN go mod download
---> Running in dd0f2886dafa
Removing intermediate container dd0f2886dafa
---> d78b6a2d7325
Step 13/20 : COPY . .
---> 4bbea0c349d1
Step 14/20 : RUN go build -ldflags="-s -w" -o /app/user user/cmd/api/service/user/cmd/api/user.go
---> Running in 1f94d5883dab
�[91mpackage user/cmd/api/service/user/cmd/api/user.go is not in GOROOT (/usr/local/go/src/user/cmd/api/service/user/cmd/api/user.go)
�[0mThe command '/bin/sh -c go build -ldflags="-s -w" -o /app/user user/cmd/api/service/user/cmd/api/user.go' returned a non-zero code: 1

zhanghanke · Answer 4 · Fri Oct 29 2021 23:07:12 GMT+0800 (China Standard Time)

你的意思是这个已经没有问题了，对吧？

刚接触docker不久，了解比较少，待我研究一下，感谢回复。

zhanghanke · Answer 5 · Mon Nov 01 2021 16:58:58 GMT+0800 (China Standard Time)

问题解决了，阅读了goctl里面的代码 tools/docker/里面，原因是生成的Dockerfile的生成错误：
输入：
/root/go/bin/goctl docker -go service/user/cmd/api/user.go
生成的Dockerfile里面的go build的路径明显不对（黑体字）user/cmd/api/service/user/cmd/api/user.go

FROM golang:alpine AS builder

LABEL stage=gobuilder

ENV CGO_ENABLED 0
ENV GOOS linux
ENV GO111MODULE on
ENV GOPROXY https://goproxy.cn,direct

WORKDIR /build/zero

RUN go env
ADD go.mod .
ADD go.sum .
RUN go mod download
COPY . .
RUN go build -ldflags="-s -w" -o /app/user user/cmd/api/service/user/cmd/api/user.go

FROM alpine

RUN apk update --no-cache && apk add --no-cache ca-certificates tzdata
ENV TZ Asia/Shanghai

WORKDIR /app
COPY --from=builder /app/user /app/user

CMD ["./user"]

看了一下大佬的源码，发现生成Dockerfile的时候，默认模板里面有把GoRelPath+GoFile拼起来的逻辑，
是我用得不对，还是默认模板情况下有错？

const (
category = "docker"
dockerTemplateFile = "docker.tpl"
dockerTemplate = `FROM golang:alpine AS builder

LABEL stage=gobuilder

ENV CGO_ENABLED 0
ENV GOOS linux
{{if .Chinese}}ENV GOPROXY https://goproxy.cn,direct
{{end}}
WORKDIR /build/zero

ADD go.mod .
ADD go.sum .
RUN go mod download
COPY . .
{{if .Argument}}COPY {{.GoRelPath}}/etc /app/etc
{{end}}RUN go build -ldflags="-s -w" -o /app/{{.ExeFile}} {{.GoRelPath}}/{{.GoFile}}

FROM alpine

RUN apk update --no-cache && apk add --no-cache ca-certificates tzdata
ENV TZ Asia/Shanghai

WORKDIR /app
COPY --from=builder /app/{{.ExeFile}} /app/{{.ExeFile}}{{if .Argument}}
COPY --from=builder /app/etc /app/etc{{end}}
{{if .HasPort}}
EXPOSE {{.Port}}
{{end}}
CMD ["./{{.ExeFile}}"{{.Argument}}]
`
)

解决方法是自己创建一个模板，即 ~/.goctrl/docker/docker.tpl，把{{.GoRelPath}}/{{.GoFile}}里面的{{.GoRelPath}}/去掉。

求大佬指点！