Cannot build the project

[susanhuhu]

A clear and concise description of what the bug is.

Expected Behavior

run 'make build', it should succeed

Actual Behavior

Got below error

root@vm-laptopnew:/home/susan/go/src/github.com/keda# make build
WARNING: GOROOT is not defined
GO111MODULE=on CGO_ENABLED=0 GOOS=linux GOARCH=amd64 operator-sdk generate k8s
INFO[0000] Running deepcopy code-generation for Custom Resource group versions: [keda:[v1alpha1], ] 
F0331 20:53:43.804973   26835 deepcopy.go:885] Hit an unsupported type invalid type for invalid type, from ./pkg/apis/keda/v1alpha1.ScaledObject
goroutine 1 [running]:
k8s.io/klog.stacks(0xc00089f700, 0xc0006745a0, 0x91, 0xe1)
	/home/joe/go/pkg/mod/k8s.io/klog@v0.3.3/klog.go:855 +0xb8
k8s.io/klog.(*loggingT).output(0x335c940, 0xc000000003, 0xc0008ac2a0, 0x3146640, 0xb, 0x375, 0x0)
	/home/joe/go/pkg/mod/k8s.io/klog@v0.3.3/klog.go:806 +0x351
k8s.io/klog.(*loggingT).printf(0x335c940, 0x3, 0x1ee9b04, 0x2a, 0xc00062ced8, 0x3, 0x3)
	/home/joe/go/pkg/mod/k8s.io/klog@v0.3.3/klog.go:705 +0x14b
k8s.io/klog.Fatalf(...)
	/home/joe/go/pkg/mod/k8s.io/klog@v0.3.3/klog.go:1256
k8s.io/gengo/examples/deepcopy-gen/generators.(*genDeepCopy).doStruct(0xc0007ea600, 0xc0000eeb00, 0xc00027ae60)
	/home/joe/go/pkg/mod/k8s.io/gengo@v0.0.0-20191010091904-7fa3014cb28f/examples/deepcopy-gen/generators/deepcopy.go:885 +0x7bd
k8s.io/gengo/examples/deepcopy-gen/generators.(*genDeepCopy).generateFor(0xc0007ea600, 0xc0000eeb00, 0xc00027ae60)
	/home/joe/go/pkg/mod/k8s.io/gengo@v0.0.0-20191010091904-7fa3014cb28f/examples/deepcopy-gen/generators/deepcopy.go:695 +0xc5
k8s.io/gengo/examples/deepcopy-gen/generators.(*genDeepCopy).GenerateType(0xc0007ea600, 0xc0008ac230, 0xc0000eeb00, 0x21b7320, 0xc000587760, 0x0, 0x0)
	/home/joe/go/pkg/mod/k8s.io/gengo@v0.0.0-20191010091904-7fa3014cb28f/examples/deepcopy-gen/generators/deepcopy.go:608 +0xe98
k8s.io/gengo/generator.(*Context).executeBody(0xc0008ac230, 0x21b42a0, 0xc0005421b0, 0x222f9c0, 0xc0007ea600, 0x60, 0xc00062d288)
	/home/joe/go/pkg/mod/k8s.io/gengo@v0.0.0-20191010091904-7fa3014cb28f/generator/execute.go:306 +0x11c
k8s.io/gengo/generator.(*Context).ExecutePackage(0xc0008ac0e0, 0x0, 0x0, 0x2216ba0, 0xc0001319e0, 0x0, 0x0)
	/home/joe/go/pkg/mod/k8s.io/gengo@v0.0.0-20191010091904-7fa3014cb28f/generator/execute.go:267 +0xb25
k8s.io/gengo/generator.(*Context).ExecutePackages(0xc0008ac0e0, 0x0, 0x0, 0xc000781220, 0x1, 0x1, 0x0, 0x30)
	/home/joe/go/pkg/mod/k8s.io/gengo@v0.0.0-20191010091904-7fa3014cb28f/generator/execute.go:51 +0xbf
k8s.io/gengo/args.(*GeneratorArgs).Execute(0xc0003f5f40, 0xc00062d7b0, 0x1e886d7, 0x6, 0x1f94440, 0xc00041f8e0, 0x18)
	/home/joe/go/pkg/mod/k8s.io/gengo@v0.0.0-20191010091904-7fa3014cb28f/args/args.go:207 +0x1eb
github.com/operator-framework/operator-sdk/cmd/operator-sdk/internal/genutil.deepcopyGen(0xc000444d80, 0xe, 0xc000740ac0, 0x1, 0x1, 0x0, 0xc0000ca428)
	/home/joe/projects/work/operator-framework/operator-sdk/cmd/operator-sdk/internal/genutil/k8s.go:95 +0x4d9
github.com/operator-framework/operator-sdk/cmd/operator-sdk/internal/genutil.K8sCodegen.func1(0xc000444d80, 0xe, 0x0, 0x0)
	/home/joe/projects/work/operator-framework/operator-sdk/cmd/operator-sdk/internal/genutil/k8s.go:54 +0x50
github.com/operator-framework/operator-sdk/cmd/operator-sdk/internal/genutil.generateWithHeaderFile(0xc00062dc00, 0x0, 0x0)
	/home/joe/projects/work/operator-framework/operator-sdk/cmd/operator-sdk/internal/genutil/genutil.go:46 +0x175
github.com/operator-framework/operator-sdk/cmd/operator-sdk/internal/genutil.K8sCodegen(0xc00036f400, 0x0)
	/home/joe/projects/work/operator-framework/operator-sdk/cmd/operator-sdk/internal/genutil/k8s.go:55 +0x48d
github.com/operator-framework/operator-sdk/cmd/operator-sdk/generate.k8sFunc(0xc00036f400, 0x33841d8, 0x0, 0x0, 0x0, 0x0)
	/home/joe/projects/work/operator-framework/operator-sdk/cmd/operator-sdk/generate/k8s.go:56 +0x64
github.com/spf13/cobra.(*Command).execute(0xc00036f400, 0x33841d8, 0x0, 0x0, 0xc00036f400, 0x33841d8)
	/home/joe/go/pkg/mod/github.com/spf13/cobra@v0.0.5/command.go:826 +0x460
github.com/spf13/cobra.(*Command).ExecuteC(0xc000182c80, 0x21b8d40, 0xc0003da500, 0x0)
	/home/joe/go/pkg/mod/github.com/spf13/cobra@v0.0.5/command.go:914 +0x2fb
github.com/spf13/cobra.(*Command).Execute(...)
	/home/joe/go/pkg/mod/github.com/spf13/cobra@v0.0.5/command.go:864
main.main()
	/home/joe/projects/work/operator-framework/operator-sdk/cmd/operator-sdk/main.go:84 +0x584
Makefile:95: recipe for target 'generate-api' failed
make: *** [generate-api] Error 255

Steps to Reproduce the Problem

1. install v0.12.0
2. go to Keda folder and run 'make build'

Specifications

• KEDA Version: Latest from master branch
• Platform & Version: Ubuntu 18.4.3
• Kubernetes Version: v1.14.1
• Scaler(s): Noe

[susanhuhu]

This is fixed after explicility set GOPATH and GOROOT env in the build window. It doesn't help if only go env shows it.

[tomkerkhove]

Feel free to PR a doc improvement if you think it's required!

[tomkerkhove]

Happy to hear that it's fixed