用以下命令生成代码：
./generate-groups.sh all "github.com/openshift-evangelist/crd-code-generation/pkg/client" "github.com/openshift-evangelist/crd-code-generation/pkg/apis" "ingressgroup:v1"
第一个报错
生成代码报错：
Generating deepcopy funcs
F0910 19:18:35.552948 12153 main.go:82] Error: Failed making a parser: unable to add directory "github.com/openshift-evangelist/crd-code-generation/pkg/client": unable to import "github.com/asdfsx/getkubeconfig/pkg/apis/example/v1": cannot find package "github.com/openshift-evangelist/crd-code-generation/pkg/client" in any of:
D:/Program Files/Go/go103/src/github.com/openshift-evangelist/crd-code-generation/pkg/client (from $GOROOT)
D:/SoftwareAndProgram/program/Go/Development/src/github.com/openshift-evangelist/crd-code-generation/pkg/client (from $GOPATH)
这个问题可以参考issue
image.png
由于该链接国内访问比较困难，故转载到了这里：
https://www.jianshu.com/p/dcfe6eac4152
总而言之，就是目录有问题。比如：
./generate-groups.sh all k8s.io/sample-controller/pkg/client k8s.io/sample-controller/pkg/apis samplecontroller:v1alpha1
那么k8s.io/sample-controller/pkg/apis目录下就需要有一个samplecontroller/v1alpha1的文件夹，最终生成的文件会被放到k8s.io/sample-controller/pkg/client目录下。
[root@10 code-generator]# ./generate-groups.sh all k8s.io/sample-controller/pkg/client k8s.io/sample-controller/pkg/apis samplecontroller:v1alpha1
Generating deepcopy funcs
Generating clientset for samplecontroller:v1alpha1 at k8s.io/sample-controller/pkg/client/clientset
Generating listers for samplecontroller:v1alpha1 at k8s.io/sample-controller/pkg/client/listers
Generating informers for samplecontroller:v1alpha1 at k8s.io/sample-controller/pkg/client/informers
[root@10 code-generator]# ll $GOPATH/src/k8s.io/sample-controller/pkg/
总用量 0
drwxr-xr-x 3 root root 30 4月 16 21:42 apis
drwxr-xr-x 5 root root 55 4月 16 21:58 client
[root@10 code-generator]# ll $GOPATH/src/k8s.io/sample-controller/pkg/apis/samplecontroller/v1alpha1/
总用量 8
-rw-r--r-- 1 root root 1462 4月 16 21:42 types.go
-rw-r--r-- 1 root root 3272 4月 16 21:57 zz_generated.deepcopy.go
[root@10 code-generator]# ll $GOPATH/src/k8s.io/sample-controller/pkg/client
总用量 0
drwxr-xr-x 3 root root 23 4月 16 21:57 clientset
drwxr-xr-x 3 root root 30 4月 16 21:58 informers
drwxr-xr-x 3 root root 30 4月 16 21:58 listers
第二个报错：
Generating deepcopy funcs
F1104 02:57:44.419529 35 main.go:82] Error: Failed executing generator: some packages had errors:
type "k8s.io/apimachinery/pkg/runtime.Object" in k8s:deepcopy-gen:interfaces tag of type k8s.io/apimachinery/pkg/runtime.Object is not an interface, but: ""
goroutine 1 [running]:
这个报错是因为k8s.io/apimachinery这个包目录结构不对，放到vendor目录下找不到，必须放到$GOPATH下的src/k8s.io/apimachinery，具体参考issue
image.png
我解决了这个问题 。这不起作用，除非k8s.io/apimachinery在GOPATH中，如果它只是在vendor目录下，那么deepcopy无法找到它。至少，这需要在某处记录。如果在vendor目录下也能正常工作，那将会很棒。
目录结构如下：
$GOPATH/src
image.png
$GOPATH/src/github.com/
image.png
第三个报错
image.png
Generating deepcopy funcs
F0221 09:54:08.335328 26316 main.go:82] Error: Failed executing generator: som e packages had errors:
errors in package "github.com/openshift-evangelist/crd-code-generation/pkg/apis/ ingressgroup/v1":
unable to format file "D:\\SoftwareAndProgram\\program\\Go\\Development\\src\\gi thub.com\\openshift-evangelist\\crd-code-generation\\pkg\\apis\\ingressgroup\\v1 \\zz_generated.deepcopy.go" (The filename, directory name, or volume label synta x is incorrect.).
windows上执行报这个错，需要在linux上执行generate-groups.sh 脚本。
最终生成如下：
image.png
[root@master-192 code-generator]# dos2unix generate-groups.sh
dos2unix: converting file generate-groups.sh to Unix format ...
[root@master-192 code-generator]# ./generate-groups.sh all "github.com/openshift-evangelist/crd-code-generation/pkg/client" "github.com/openshift-evangelist/crd-code-generation/pkg/apis" "ingressgroup:v1"
Generating deepcopy funcs
Generating clientset for ingressgroup:v1 at github.com/openshift-evangelist/crd-code-generation/pkg/client/clientset
Generating listers for ingressgroup:v1 at github.com/openshift-evangelist/crd-code-generation/pkg/client/listers
Generating informers for ingressgroup:v1 at github.com/openshift-evangelist/crd-code-generation/pkg/client/informers
最终生成目录结构如下：
[root@master-192 crd-code-generation]# pwd
/root/Work/programmer/go/gopath/src/github.com/openshift-evangelist/crd-code-generation
[root@master-192 crd-code-generation]# tree
.
└── pkg
├── apis
│ └── ingressgroup
│ ├── register.go
│ └── v1
│ ├── doc.go
│ ├── register.go
│ ├── types.go
│ └── zz_generated.deepcopy.go
└── client
├── clientset
│ └── versioned
│ ├── clientset.go
│ ├── doc.go
│ ├── fake
│ │ ├── clientset_generated.go
│ │ ├── doc.go
│ │ └── register.go
│ ├── scheme
│ │ ├── doc.go
│ │ └── register.go
│ └── typed
│ └── ingressgroup
│ └── v1
│ ├── doc.go
│ ├── fake
│ │ ├── doc.go
│ │ ├── fake_ingressgroup_client.go
│ │ └── fake_ingressgroup.go
│ ├── generated_expansion.go
│ ├── ingressgroup_client.go
│ └── ingressgroup.go
├── informers
│ └── externalversions
│ ├── factory.go
│ ├── generic.go
│ ├── ingressgroup
│ │ ├── interface.go
│ │ └── v1
│ │ ├── ingressgroup.go
│ │ └── interface.go
│ └── internalinterfaces
│ └── factory_interfaces.go
└── listers
└── ingressgroup
└── v1
├── expansion_generated.go
└── ingressgroup.go
