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cmd/go: go1.11 failed to derive $GOPATH in container environment #27468

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rockmenjack opened this issue Sep 3, 2018 · 5 comments
Closed

cmd/go: go1.11 failed to derive $GOPATH in container environment #27468

rockmenjack opened this issue Sep 3, 2018 · 5 comments
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FrozenDueToAge NeedsInvestigation Someone must examine and confirm this is a valid issue and not a duplicate of an existing one.
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Unplanned

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@rockmenjack
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What version of Go are you using (go version)?

go 1.11

Does this issue reproduce with the latest release?

yes

What operating system and processor architecture are you using (go env)?

linux amd64

What did you do?

go test/build a module in a container

What did you expect to see?

command shall run without any issue

What did you see instead?

go complains "missing $GOPATH"

I have checked go env output in the container:

GOARCH="amd64"
GOBIN=""
GOCACHE="/root/.cache/go-build"
GOEXE=""
GOFLAGS=""
GOHOSTARCH="amd64"
GOHOSTOS="linux"
GOOS="linux"
GOPATH=""             <--  empty here!!!
GOPROXY=""
GORACE=""
GOROOT="/root/go"
GOTMPDIR=""
GOTOOLDIR="/root/go/pkg/tool/linux_amd64"
GCCGO="gccgo"
CC="gcc"
CXX="g++"
CGO_ENABLED="1"
GOMOD=""
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 -pthread -fno-caret-diagnostics -Qunused-arguments -fmessage-length=0 -fdebug-prefix-map=/tmp/go-build579993932=/tmp/go-build -gno-record-gcc-switches"

go env looks ok in the host:

GOARCH="amd64"
GOBIN=""
GOCACHE="/home/rockmen1/.cache/go-build"
GOEXE=""
GOFLAGS=""
GOHOSTARCH="amd64"
GOHOSTOS="linux"
GOOS="linux"
GOPATH="/home/rockmen1/go"    <--   however this dir does not exist
GOPROXY=""
GORACE=""
GOROOT="/tmp/go"
GOTMPDIR=""
GOTOOLDIR="/tmp/go/pkg/tool/linux_amd64"
GCCGO="gccgo"
CC="gcc"
CXX="g++"
CGO_ENABLED="1"
GOMOD=""
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 -pthread -fmessage-length=0 -fdebug-prefix-map=/tmp/go-build691156100=/tmp/go-build -gno-record-gcc-switches"

Can be easily reproduce with below Dockerfile:

#FROM centos:7
FROM debian:9

ADD go1.11.linux-amd64.tar.gz /root

CMD GOROOT=/root/go /root/go/bin/go env

older go version runs fine.
@mfrw
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mfrw commented Sep 3, 2018

The issue #17262 might help you in understanding why host shows $GOPATH as a non-existent directory.

@andybons andybons changed the title go1.11 failed to derive $GOPATH in container environment cmd/go: go1.11 failed to derive $GOPATH in container environment Sep 5, 2018
@andybons
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andybons commented Sep 5, 2018

@bcmills

@andybons andybons added the NeedsInvestigation Someone must examine and confirm this is a valid issue and not a duplicate of an existing one. label Sep 5, 2018
@andybons andybons added this to the Unplanned milestone Sep 5, 2018
@bcmills
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bcmills commented Sep 5, 2018

go test/build a module in a container

older go version runs fine.

These can't both hold, can they? Older go versions don't support modules.

@rockmenjack
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These can't both hold, can they? Older go versions don't support modules.

True. That's why go 1.11 shall not complain missing $GOPATH when modules is used, but it did in the container case where GOPATH is empty.

@bcmills
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bcmills commented Jan 17, 2019

In Go 1.12, you will need to set either $HOME, or both $GOCACHE and $GOPATH (see #29267).

Environments without $HOME are pretty clearly in power-user territory, so the need for a bit of configuration should not come as a big surprise.

@bcmills bcmills closed this as completed Jan 17, 2019
@linzhp linzhp mentioned this issue Jun 1, 2019
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@golang golang locked and limited conversation to collaborators Jan 17, 2020
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