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remove duplicate errors from aggregate error outputs

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This commit is contained in:
juanvallejo 2016-08-09 17:56:51 -04:00
parent 93f802b1a6
commit 6e7df2c986
1 changed files with 23 additions and 11 deletions
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34
pkg/kubectl/cmd/util/helpers.go
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@ -19,6 +19,7 @@ package util
import (
"bytes"
"encoding/json"
"errors"
"fmt"
"io"
"io/ioutil"
@ -27,7 +28,7 @@ import (
"strings"
"time"
"k8s.io/kubernetes/pkg/api/errors"
kerrors "k8s.io/kubernetes/pkg/api/errors"
"k8s.io/kubernetes/pkg/api/meta"
"k8s.io/kubernetes/pkg/api/unversioned"
"k8s.io/kubernetes/pkg/apimachinery/registered"
@ -38,6 +39,7 @@ import (
"k8s.io/kubernetes/pkg/kubectl/resource"
"k8s.io/kubernetes/pkg/runtime"
utilerrors "k8s.io/kubernetes/pkg/util/errors"
"k8s.io/kubernetes/pkg/util/sets"
"k8s.io/kubernetes/pkg/util/strategicpatch"
"github.com/evanphx/json-patch"
@ -59,10 +61,10 @@ type debugError interface {
// souce is the filename or URL to the template file(*.json or *.yaml), or stdin to use to handle the resource.
func AddSourceToErr(verb string, source string, err error) error {
if source != "" {
if statusError, ok := err.(errors.APIStatus); ok {
if statusError, ok := err.(kerrors.APIStatus); ok {
status := statusError.Status()
status.Message = fmt.Sprintf("error when %s %q: %v", verb, source, status.Message)
return &errors.StatusError{ErrStatus: status}
return &kerrors.StatusError{ErrStatus: status}
}
return fmt.Errorf("error when %s %q: %v", verb, source, err)
}
@ -118,11 +120,12 @@ func checkErr(pref string, err error, handleErr func(string)) {
return
}
if errors.IsInvalid(err) {
details := err.(*errors.StatusError).Status().Details
if kerrors.IsInvalid(err) {
details := err.(*kerrors.StatusError).Status().Details
prefix := fmt.Sprintf("%sThe %s %q is invalid.\n", pref, details.Kind, details.Name)
errs := statusCausesToAggrError(details.Causes)
handleErr(MultilineError(prefix, errs))
return
}
if noMatch, ok := err.(*meta.NoResourceMatchError); ok {
@ -142,9 +145,11 @@ func checkErr(pref string, err error, handleErr func(string)) {
// handle multiline errors
if clientcmd.IsConfigurationInvalid(err) {
handleErr(MultilineError(fmt.Sprintf("%sError in configuration: ", pref), err))
return
}
if agg, ok := err.(utilerrors.Aggregate); ok && len(agg.Errors()) > 0 {
handleErr(MultipleErrors(pref, agg.Errors()))
return
}
msg, ok := StandardErrorMessage(err)
@ -158,9 +163,16 @@ func checkErr(pref string, err error, handleErr func(string)) {
}
func statusCausesToAggrError(scs []unversioned.StatusCause) utilerrors.Aggregate {
errs := make([]error, len(scs))
for i, sc := range scs {
errs[i] = fmt.Errorf("%s: %s", sc.Field, sc.Message)
errs := make([]error, 0, len(scs))
errorMsgs := sets.NewString()
for _, sc := range scs {
// check for duplicate error messages and skip them
msg := fmt.Sprintf("%s: %s", sc.Field, sc.Message)
if errorMsgs.Has(msg) {
continue
}
errorMsgs.Insert(msg)
errs = append(errs, errors.New(msg))
}
return utilerrors.NewAggregate(errs)
}
@ -175,7 +187,7 @@ func StandardErrorMessage(err error) (string, bool) {
if debugErr, ok := err.(debugError); ok {
glog.V(4).Infof(debugErr.DebugError())
}
status, isStatus := err.(errors.APIStatus)
status, isStatus := err.(kerrors.APIStatus)
switch {
case isStatus:
switch s := status.Status(); {
@ -184,7 +196,7 @@ func StandardErrorMessage(err error) (string, bool) {
default:
return fmt.Sprintf("Error from server: %s", err.Error()), true
}
case errors.IsUnexpectedObjectError(err):
case kerrors.IsUnexpectedObjectError(err):
return fmt.Sprintf("Server returned an unexpected response: %s", err.Error()), true
}
switch t := err.(type) {
@ -503,7 +515,7 @@ func GetThirdPartyGroupVersions(discovery discovery.DiscoveryInterface) ([]unver
groupList, err := discovery.ServerGroups()
if err != nil {
// On forbidden or not found, just return empty lists.
if errors.IsForbidden(err) || errors.IsNotFound(err) {
if kerrors.IsForbidden(err) || kerrors.IsNotFound(err) {
return result, gvks, nil
}