mirror of https://github.com/k3s-io/k3s
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
87 lines
2.2 KiB
87 lines
2.2 KiB
/*
|
|
Copyright 2016 The Kubernetes Authors.
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
*/
|
|
|
|
package volume
|
|
|
|
import (
|
|
"fmt"
|
|
)
|
|
|
|
const (
|
|
// ErrCodeNotSupported code for NotSupported Errors.
|
|
ErrCodeNotSupported int = iota + 1
|
|
ErrCodeNoPathDefined
|
|
ErrCodeFsInfoFailed
|
|
)
|
|
|
|
// NewNotSupportedError creates a new MetricsError with code NotSupported.
|
|
func NewNotSupportedError() *MetricsError {
|
|
return &MetricsError{
|
|
Code: ErrCodeNotSupported,
|
|
Msg: "metrics are not supported for MetricsNil Volumes",
|
|
}
|
|
}
|
|
|
|
// NewNotSupportedErrorWithDriverName creates a new MetricsError with code NotSupported.
|
|
// driver name is added to the error message.
|
|
func NewNotSupportedErrorWithDriverName(name string) *MetricsError {
|
|
return &MetricsError{
|
|
Code: ErrCodeNotSupported,
|
|
Msg: fmt.Sprintf("metrics are not supported for %s volumes", name),
|
|
}
|
|
}
|
|
|
|
// NewNoPathDefinedError creates a new MetricsError with code NoPathDefined.
|
|
func NewNoPathDefinedError() *MetricsError {
|
|
return &MetricsError{
|
|
Code: ErrCodeNoPathDefined,
|
|
Msg: "no path defined for disk usage metrics.",
|
|
}
|
|
}
|
|
|
|
// NewFsInfoFailedError creates a new MetricsError with code FsInfoFailed.
|
|
func NewFsInfoFailedError(err error) *MetricsError {
|
|
return &MetricsError{
|
|
Code: ErrCodeFsInfoFailed,
|
|
Msg: fmt.Sprintf("failed to get FsInfo due to error %v", err),
|
|
}
|
|
}
|
|
|
|
// MetricsError to distinguish different Metrics Errors.
|
|
type MetricsError struct {
|
|
Code int
|
|
Msg string
|
|
}
|
|
|
|
func (e *MetricsError) Error() string {
|
|
return e.Msg
|
|
}
|
|
|
|
// IsNotSupported returns true if and only if err is "key" not found error.
|
|
func IsNotSupported(err error) bool {
|
|
return isErrCode(err, ErrCodeNotSupported)
|
|
}
|
|
|
|
func isErrCode(err error, code int) bool {
|
|
if err == nil {
|
|
return false
|
|
}
|
|
if e, ok := err.(*MetricsError); ok {
|
|
return e.Code == code
|
|
}
|
|
return false
|
|
}
|