/
validate.go
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/
validate.go
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// Copyright 2018 The Kubeflow 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 util
import (
"context"
"fmt"
"regexp"
"k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/client-go/kubernetes"
)
const dns1123LabelFmt string = "[a-z0-9]([-a-z0-9]*[a-z0-9])?"
// Job Max lenth should be 49
const JobMaxLength int = 49
var dns1123LabelRegexp = regexp.MustCompile("^" + dns1123LabelFmt + "$")
// ValidateJobName validates the job name, its length should less than 63, and match dns1123LabelFmt
func ValidateJobName(value string) error {
if len(value) > JobMaxLength {
return fmt.Errorf("The len %d of name %s is too long, it should be less than %d",
len(value),
value,
JobMaxLength)
}
if !dns1123LabelRegexp.MatchString(value) {
return fmt.Errorf("The job name must consist of lower case alphanumeric characters, '-' or '.', and must start and end with an alphanumeric character.")
}
return nil
}
// Check if PriorityClassName exists
func ValidatePriorityClassName(client *kubernetes.Clientset, name string) error {
// client.SchedulingV1alpha1()
_, err := client.SchedulingV1().PriorityClasses().Get(context.TODO(), name, metav1.GetOptions{})
if err != nil && errors.IsNotFound(err) {
err = fmt.Errorf("The priority %s doesn't exist. Please check with `kubectl get pc` to get a valid priority.", name)
}
return err
}