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log info on invalid --output-version

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Object versions default to the current version (v1) when a specified
`--output-version` is invalid. This patch logs a warning when this is
the case. Cases affected are all commands with the `--output-version`
option, and anywhere runtime objects are converted to versioned objects.

**Example**
```
$ kubectl get pod <mypod> -o json --output-version=invalid
W1013 17:24:16.810278   26719 result.go:238]  info: the output version
specified (invalid) is invalid, defaulting to v1
{
        "kind": "Pod",
            "apiVersion": "v1",
                "metadata": {
                            "name": "mypod",
                                    "namespace": "test",
...
```
This commit is contained in:
juanvallejo 2016-12-05 10:16:12 -05:00
parent 6e5b455b77
commit 9c7b5c3425
2 changed files with 12 additions and 0 deletions
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1
pkg/kubectl/resource/BUILD
View File

@ -27,6 +27,7 @@ go_library(
"//pkg/api/validation:go_default_library",
"//pkg/apis/extensions:go_default_library",
"//pkg/client/restclient:go_default_library",
"//vendor:github.com/golang/glog",
"//vendor:golang.org/x/text/encoding/unicode",
"//vendor:golang.org/x/text/transform",
"//vendor:k8s.io/apimachinery/pkg/api/meta",

11
pkg/kubectl/resource/result.go
View File

@ -20,6 +20,8 @@ import (
"fmt"
"reflect"
"github.com/golang/glog"
"k8s.io/apimachinery/pkg/api/meta"
"k8s.io/apimachinery/pkg/apimachinery/registered"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
@ -229,6 +231,15 @@ func AsVersionedObject(infos []*Info, forceList bool, version schema.GroupVersio
}
object = converted
}
actualVersion := object.GetObjectKind().GroupVersionKind()
if actualVersion.Version != version.Version {
defaultVersionInfo := ""
if len(actualVersion.Version) > 0 {
defaultVersionInfo = fmt.Sprintf("Defaulting to %q", actualVersion.Version)
}
glog.V(1).Infof("info: the output version specified is invalid. %s\n", defaultVersionInfo)
}
return object, nil
}