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Merge pull request #28004 from mikedanese/fix-nil

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Automatic merge from submit-queue

return nil from NewClientConfig instead of empty struct

This is a go convention and fixes an nil pointer in kubelet when passing in bad command line options:

```
I0624 04:12:33.333246   25404 plugins.go:141] Loaded network plugin "kubenet"
E0624 04:12:33.333390   25404 runtime.go:58] Recovered from panic: "invalid memory address or nil pointer dereference" (runtime error: invalid memory address or nil pointer dereference)
/go/src/k8s.io/kubernetes/_output/dockerized/go/src/k8s.io/kubernetes/pkg/util/runtime/runtime.go:52
/go/src/k8s.io/kubernetes/_output/dockerized/go/src/k8s.io/kubernetes/pkg/util/runtime/runtime.go:40
/usr/local/go/src/runtime/asm_amd64.s:472
/usr/local/go/src/runtime/panic.go:443
/usr/local/go/src/runtime/panic.go:62
/usr/local/go/src/runtime/sigpanic_unix.go:24
/go/src/k8s.io/kubernetes/_output/dockerized/go/src/k8s.io/kubernetes/pkg/client/clientset_generated/internalclientset/typed/core/unversioned/service.go:132
/go/src/k8s.io/kubernetes/_output/dockerized/go/src/k8s.io/kubernetes/pkg/kubelet/kubelet.go:254
/go/src/k8s.io/kubernetes/_output/dockerized/go/src/k8s.io/kubernetes/pkg/client/cache/listwatch.go:80
/go/src/k8s.io/kubernetes/_output/dockerized/go/src/k8s.io/kubernetes/pkg/client/cache/reflector.go:262
/go/src/k8s.io/kubernetes/_output/dockerized/go/src/k8s.io/kubernetes/pkg/client/cache/reflector.go:204
/go/src/k8s.io/kubernetes/_output/dockerized/go/src/k8s.io/kubernetes/pkg/util/wait/wait.go:86
/go/src/k8s.io/kubernetes/_output/dockerized/go/src/k8s.io/kubernetes/pkg/util/wait/wait.go:87
/go/src/k8s.io/kubernetes/_output/dockerized/go/src/k8s.io/kubernetes/pkg/util/wait/wait.go:49
```
cc @caesarxuchao @lavalamp
This commit is contained in:
k8s-merge-robot 2016-06-24 15:15:08 -07:00 committed by GitHub
commit 07d24e4557
6 changed files with 27 additions and 21 deletions
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5
cmd/libs/go2idl/client-gen/generators/generator_for_clientset.go
View File

@ -155,14 +155,15 @@ func NewForConfig(c *$.Config|raw$) (*Clientset, error) {
var err error var err error
$range .allGroups$ clientset.$.Group$Client, err =$.PackageName$.NewForConfig(&configShallowCopy) $range .allGroups$ clientset.$.Group$Client, err =$.PackageName$.NewForConfig(&configShallowCopy)
if err!=nil { if err!=nil {
return &clientset, err return nil, err
} }
$end$ $end$
clientset.DiscoveryClient, err = $.NewDiscoveryClientForConfig|raw$(&configShallowCopy) clientset.DiscoveryClient, err = $.NewDiscoveryClientForConfig|raw$(&configShallowCopy)
if err!=nil { if err!=nil {
glog.Errorf("failed to create the DiscoveryClient: %v", err) glog.Errorf("failed to create the DiscoveryClient: %v", err)
return nil, err
} }
return &clientset, err return &clientset, nil
} }
` `

5
cmd/libs/go2idl/client-gen/testoutput/clientset_generated/test_internalclientset/clientset.go
View File

@ -59,14 +59,15 @@ func NewForConfig(c *restclient.Config) (*Clientset, error) {
var err error var err error
clientset.TestgroupClient, err = unversionedtestgroup.NewForConfig(&configShallowCopy) clientset.TestgroupClient, err = unversionedtestgroup.NewForConfig(&configShallowCopy)
if err != nil { if err != nil {
return &clientset, err return nil, err
} }
clientset.DiscoveryClient, err = discovery.NewDiscoveryClientForConfig(&configShallowCopy) clientset.DiscoveryClient, err = discovery.NewDiscoveryClientForConfig(&configShallowCopy)
if err != nil { if err != nil {
glog.Errorf("failed to create the DiscoveryClient: %v", err) glog.Errorf("failed to create the DiscoveryClient: %v", err)
return nil, err
} }
return &clientset, err return &clientset, nil
} }
// NewForConfigOrDie creates a new Clientset for the given config and // NewForConfigOrDie creates a new Clientset for the given config and

7
federation/client/clientset_generated/federation_internalclientset/clientset.go
View File

@ -70,18 +70,19 @@ func NewForConfig(c *restclient.Config) (*Clientset, error) {
var err error var err error
clientset.FederationClient, err = unversionedfederation.NewForConfig(&configShallowCopy) clientset.FederationClient, err = unversionedfederation.NewForConfig(&configShallowCopy)
if err != nil { if err != nil {
return &clientset, err return nil, err
} }
clientset.CoreClient, err = unversionedcore.NewForConfig(&configShallowCopy) clientset.CoreClient, err = unversionedcore.NewForConfig(&configShallowCopy)
if err != nil { if err != nil {
return &clientset, err return nil, err
} }
clientset.DiscoveryClient, err = discovery.NewDiscoveryClientForConfig(&configShallowCopy) clientset.DiscoveryClient, err = discovery.NewDiscoveryClientForConfig(&configShallowCopy)
if err != nil { if err != nil {
glog.Errorf("failed to create the DiscoveryClient: %v", err) glog.Errorf("failed to create the DiscoveryClient: %v", err)
return nil, err
} }
return &clientset, err return &clientset, nil
} }
// NewForConfigOrDie creates a new Clientset for the given config and // NewForConfigOrDie creates a new Clientset for the given config and

7
federation/client/clientset_generated/federation_release_1_3/clientset.go
View File

@ -70,18 +70,19 @@ func NewForConfig(c *restclient.Config) (*Clientset, error) {
var err error var err error
clientset.FederationClient, err = v1alpha1federation.NewForConfig(&configShallowCopy) clientset.FederationClient, err = v1alpha1federation.NewForConfig(&configShallowCopy)
if err != nil { if err != nil {
return &clientset, err return nil, err
} }
clientset.CoreClient, err = v1core.NewForConfig(&configShallowCopy) clientset.CoreClient, err = v1core.NewForConfig(&configShallowCopy)
if err != nil { if err != nil {
return &clientset, err return nil, err
} }
clientset.DiscoveryClient, err = discovery.NewDiscoveryClientForConfig(&configShallowCopy) clientset.DiscoveryClient, err = discovery.NewDiscoveryClientForConfig(&configShallowCopy)
if err != nil { if err != nil {
glog.Errorf("failed to create the DiscoveryClient: %v", err) glog.Errorf("failed to create the DiscoveryClient: %v", err)
return nil, err
} }
return &clientset, err return &clientset, nil
} }
// NewForConfigOrDie creates a new Clientset for the given config and // NewForConfigOrDie creates a new Clientset for the given config and

13
pkg/client/clientset_generated/internalclientset/clientset.go
View File

@ -103,30 +103,31 @@ func NewForConfig(c *restclient.Config) (*Clientset, error) {
var err error var err error
clientset.CoreClient, err = unversionedcore.NewForConfig(&configShallowCopy) clientset.CoreClient, err = unversionedcore.NewForConfig(&configShallowCopy)
if err != nil { if err != nil {
return &clientset, err return nil, err
} }
clientset.ExtensionsClient, err = unversionedextensions.NewForConfig(&configShallowCopy) clientset.ExtensionsClient, err = unversionedextensions.NewForConfig(&configShallowCopy)
if err != nil { if err != nil {
return &clientset, err return nil, err
} }
clientset.AutoscalingClient, err = unversionedautoscaling.NewForConfig(&configShallowCopy) clientset.AutoscalingClient, err = unversionedautoscaling.NewForConfig(&configShallowCopy)
if err != nil { if err != nil {
return &clientset, err return nil, err
} }
clientset.BatchClient, err = unversionedbatch.NewForConfig(&configShallowCopy) clientset.BatchClient, err = unversionedbatch.NewForConfig(&configShallowCopy)
if err != nil { if err != nil {
return &clientset, err return nil, err
} }
clientset.RbacClient, err = unversionedrbac.NewForConfig(&configShallowCopy) clientset.RbacClient, err = unversionedrbac.NewForConfig(&configShallowCopy)
if err != nil { if err != nil {
return &clientset, err return nil, err
} }
clientset.DiscoveryClient, err = discovery.NewDiscoveryClientForConfig(&configShallowCopy) clientset.DiscoveryClient, err = discovery.NewDiscoveryClientForConfig(&configShallowCopy)
if err != nil { if err != nil {
glog.Errorf("failed to create the DiscoveryClient: %v", err) glog.Errorf("failed to create the DiscoveryClient: %v", err)
return nil, err
} }
return &clientset, err return &clientset, nil
} }
// NewForConfigOrDie creates a new Clientset for the given config and // NewForConfigOrDie creates a new Clientset for the given config and

11
pkg/client/clientset_generated/release_1_3/clientset.go
View File

@ -92,26 +92,27 @@ func NewForConfig(c *restclient.Config) (*Clientset, error) {
var err error var err error
clientset.CoreClient, err = v1core.NewForConfig(&configShallowCopy) clientset.CoreClient, err = v1core.NewForConfig(&configShallowCopy)
if err != nil { if err != nil {
return &clientset, err return nil, err
} }
clientset.ExtensionsClient, err = v1beta1extensions.NewForConfig(&configShallowCopy) clientset.ExtensionsClient, err = v1beta1extensions.NewForConfig(&configShallowCopy)
if err != nil { if err != nil {
return &clientset, err return nil, err
} }
clientset.AutoscalingClient, err = v1autoscaling.NewForConfig(&configShallowCopy) clientset.AutoscalingClient, err = v1autoscaling.NewForConfig(&configShallowCopy)
if err != nil { if err != nil {
return &clientset, err return nil, err
} }
clientset.BatchClient, err = v1batch.NewForConfig(&configShallowCopy) clientset.BatchClient, err = v1batch.NewForConfig(&configShallowCopy)
if err != nil { if err != nil {
return &clientset, err return nil, err
} }
clientset.DiscoveryClient, err = discovery.NewDiscoveryClientForConfig(&configShallowCopy) clientset.DiscoveryClient, err = discovery.NewDiscoveryClientForConfig(&configShallowCopy)
if err != nil { if err != nil {
glog.Errorf("failed to create the DiscoveryClient: %v", err) glog.Errorf("failed to create the DiscoveryClient: %v", err)
return nil, err
} }
return &clientset, err return &clientset, nil
} }
// NewForConfigOrDie creates a new Clientset for the given config and // NewForConfigOrDie creates a new Clientset for the given config and