forked from ksonnet/ksonnet
/
validate.go
140 lines (114 loc) · 3.49 KB
/
validate.go
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// Copyright 2018 The ksonnet 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 actions
import (
"fmt"
"io"
"os"
"github.com/ksonnet/ksonnet/pkg/app"
"github.com/ksonnet/ksonnet/pkg/client"
"github.com/ksonnet/ksonnet/pkg/openapi"
"github.com/ksonnet/ksonnet/pkg/pipeline"
"github.com/ksonnet/ksonnet/utils"
"github.com/pkg/errors"
log "github.com/sirupsen/logrus"
"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
"k8s.io/client-go/discovery"
)
// RunValidate runs `ns list`
func RunValidate(m map[string]interface{}) error {
v, err := NewValidate(m)
if err != nil {
return err
}
return v.Run()
}
type discoveryFn func(a app.App, clientConfig *client.Config, envName string) (discovery.DiscoveryInterface, error)
type validateObjectFn func(
a app.App,
obj *unstructured.Unstructured,
envName string) []error
type findObjectsFn func(a app.App, envName string,
componentNames []string) ([]*unstructured.Unstructured, error)
// Validate lists namespaces.
type Validate struct {
app app.App
envName string
module string
componentNames []string
clientConfig *client.Config
out io.Writer
discoveryFn discoveryFn
validateObjectFn validateObjectFn
findObjectsFn findObjectsFn
}
// NewValidate creates an instance of Validate.
func NewValidate(m map[string]interface{}) (*Validate, error) {
ol := newOptionLoader(m)
v := &Validate{
app: ol.LoadApp(),
envName: ol.LoadString(OptionEnvName),
module: ol.LoadString(OptionModule),
componentNames: ol.LoadStringSlice(OptionComponentNames),
clientConfig: ol.LoadClientConfig(),
out: os.Stdout,
discoveryFn: loadDiscovery,
validateObjectFn: openapi.ValidateAgainstSchema,
findObjectsFn: findObjects,
}
if ol.err != nil {
return nil, ol.err
}
if err := setCurrentEnv(v.app, v, ol); err != nil {
return nil, err
}
return v, nil
}
// Run lists namespaces.
func (v *Validate) Run() error {
objects, err := v.findObjectsFn(v.app, v.envName, v.componentNames)
if err != nil {
return err
}
disc, err := v.discoveryFn(v.app, v.clientConfig, v.envName)
if err != nil {
return err
}
var hasError bool
for _, obj := range objects {
desc := fmt.Sprintf("%s %s", utils.ResourceNameFor(disc, obj), utils.FqName(obj))
log.Info("Validating ", desc)
errs := v.validateObjectFn(v.app, obj, v.envName)
for _, err := range errs {
log.Errorf("Error in %s: %v", desc, err)
hasError = true
}
}
if hasError {
return errors.Errorf("validation failed")
}
return nil
}
func loadDiscovery(a app.App, clientConfig *client.Config, envName string) (discovery.DiscoveryInterface, error) {
_, d, _, err := clientConfig.RestClient(a, &envName)
return d, err
}
func findObjects(a app.App, envName string, componentNames []string) ([]*unstructured.Unstructured, error) {
p := pipeline.New(a, envName)
return p.Objects(componentNames)
}
func (v *Validate) setCurrentEnv(name string) {
v.envName = name
}