kubeeye/pkg/config/schema.go

100 lines
2.9 KiB
Go

// Copyright 2020 KubeSphere 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 config
import (
"encoding/json"
"github.com/qri-io/jsonschema"
corev1 "k8s.io/api/core/v1"
)
type TargetKind string
const (
// TargetContainer points to the container spec
TargetContainer TargetKind = "Container"
// TargetPod points to the pod spec
TargetPod TargetKind = "Pod"
)
type SchemaCheck struct {
ID string `yaml:"id"`
Category string `yaml:"category"`
//SuccessMessage string `yaml:"successMessage"`
PromptMessage string `yaml:"promptMessage"`
Containers includeExcludeList `yaml:"containers"`
Target TargetKind `yaml:"target"`
SchemaTarget TargetKind `yaml:"schemaTarget"`
Schema jsonschema.RootSchema `yaml:"schema"`
JSONSchema string `yaml:"jsonSchema"`
}
type includeExcludeList struct {
Include []string `yaml:"include"`
Exclude []string `yaml:"exclude"`
}
func (check SchemaCheck) CheckPod(pod *corev1.PodSpec) (bool, error) {
return check.CheckObject(pod)
}
func (check SchemaCheck) CheckObject(obj interface{}) (bool, error) {
bytes, err := json.Marshal(obj)
if err != nil {
return false, err
}
errs, err := check.Schema.ValidateBytes(bytes)
return len(errs) == 0, err
}
func (check SchemaCheck) IsActionable(target TargetKind, controllerType string, isInit bool) bool {
if check.Target != target {
return false
}
if check.Target == TargetContainer {
isIncluded := len(check.Containers.Include) == 0
for _, inclusion := range check.Containers.Include {
if (inclusion == "initContainer" && isInit) || (inclusion == "container" && !isInit) {
isIncluded = true
break
}
}
if !isIncluded {
return false
}
for _, exclusion := range check.Containers.Exclude {
if (exclusion == "initContainer" && isInit) || (exclusion == "container" && !isInit) {
return false
}
}
}
return true
}
func (check SchemaCheck) CheckContainer(container *corev1.Container) (bool, error) {
return check.CheckObject(container)
}
func (check SchemaCheck) CheckController(bytes []byte) (bool, error) {
errs, err := check.Schema.ValidateBytes(bytes)
return len(errs) == 0, err
}
func (check *SchemaCheck) Initialize(id string) error {
check.ID = id
if check.JSONSchema != "" {
if err := json.Unmarshal([]byte(check.JSONSchema), &check.Schema); err != nil {
return err
}
}
return nil
}