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client: utility functions for getting detail of v2 auth errors

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Current v2 auth API doesn't propagate its error code. This commit adds
utility functions for parsing error messages and getting detail of v2
auth errors.

Fixes https://github.com/coreos/etcd/issues/5894
This commit is contained in:
Hitoshi Mitake 2016-07-20 11:27:15 +09:00 committed by Hitoshi Mitake
parent a61862acc7
commit 564bf8d17e
1 changed files with 30 additions and 0 deletions
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30
client/util.go
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@ -14,6 +14,20 @@
package client
import (
"regexp"
)
var (
roleNotFoundRegExp *regexp.Regexp
userNotFoundRegExp *regexp.Regexp
)
func init() {
roleNotFoundRegExp = regexp.MustCompile("auth: Role .* does not exist.")
userNotFoundRegExp = regexp.MustCompile("auth: User .* does not exist.")
}
// IsKeyNotFound returns true if the error code is ErrorCodeKeyNotFound.
func IsKeyNotFound(err error) bool {
if cErr, ok := err.(Error); ok {
@ -21,3 +35,19 @@ func IsKeyNotFound(err error) bool {
}
return false
}
// IsRoleNotFound returns true if the error means role not found of v2 API.
func IsRoleNotFound(err error) bool {
if ae, ok := err.(authError); ok {
return roleNotFoundRegExp.MatchString(ae.Message)
}
return false
}
// IsUserNotFound returns true if the error means user not found of v2 API.
func IsUserNotFound(err error) bool {
if ae, ok := err.(authError); ok {
return userNotFoundRegExp.MatchString(ae.Message)
}
return false
}