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require webhook admission kubeconfigfile to be absolute

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This commit is contained in:
David Eads 2017-11-22 08:17:47 -05:00
parent e570831443
commit 7e6ce2a04c
2 changed files with 8 additions and 2 deletions
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1
staging/src/k8s.io/apiserver/pkg/admission/plugin/webhook/config/BUILD
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@ -16,6 +16,7 @@ go_library(
"//vendor/k8s.io/apimachinery/pkg/runtime:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/runtime/serializer:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/util/errors:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/util/validation/field:go_default_library",
"//vendor/k8s.io/apiserver/pkg/admission/plugin/webhook/config/apis/webhookadmission:go_default_library",
"//vendor/k8s.io/apiserver/pkg/admission/plugin/webhook/config/apis/webhookadmission/v1alpha1:go_default_library",
"//vendor/k8s.io/apiserver/pkg/admission/plugin/webhook/errors:go_default_library",

9
staging/src/k8s.io/apiserver/pkg/admission/plugin/webhook/config/kubeconfig.go
View File

@ -17,13 +17,14 @@ limitations under the License.
package config
import (
"fmt"
"io"
"io/ioutil"
"fmt"
"path"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/runtime/serializer"
"k8s.io/apimachinery/pkg/util/validation/field"
"k8s.io/apiserver/pkg/admission/plugin/webhook/config/apis/webhookadmission"
"k8s.io/apiserver/pkg/admission/plugin/webhook/config/apis/webhookadmission/v1alpha1"
)
@ -57,6 +58,10 @@ func LoadConfig(configFile io.Reader) (string, error) {
return "", fmt.Errorf("unexpected type: %T", decodedObj)
}
if !path.IsAbs(config.KubeConfigFile) {
return "", field.Invalid(field.NewPath("kubeConfigFile"), config.KubeConfigFile, "must be an absolute file path")
}
kubeconfigFile = config.KubeConfigFile
}
return kubeconfigFile, nil