/
webhook.go
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/
webhook.go
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/*
Copyright 2021 The KubeVela 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 usecase
import (
"context"
"errors"
"fmt"
"time"
"github.com/emicklei/go-restful/v3"
"k8s.io/apimachinery/pkg/runtime"
"github.com/oam-dev/kubevela/pkg/apiserver/datastore"
"github.com/oam-dev/kubevela/pkg/apiserver/log"
"github.com/oam-dev/kubevela/pkg/apiserver/model"
apisv1 "github.com/oam-dev/kubevela/pkg/apiserver/rest/apis/v1"
"github.com/oam-dev/kubevela/pkg/apiserver/rest/utils/bcode"
"github.com/oam-dev/kubevela/pkg/policy/envbinding"
)
// WebhookUsecase webhook usecase
type WebhookUsecase interface {
HandleApplicationWebhook(ctx context.Context, token string, req *restful.Request) (interface{}, error)
}
type webhookUsecaseImpl struct {
ds datastore.DataStore
applicationUsecase ApplicationUsecase
}
// WebhookHandlers is the webhook handlers
var WebhookHandlers []string
// NewWebhookUsecase new webhook usecase
func NewWebhookUsecase(ds datastore.DataStore,
applicationUsecase ApplicationUsecase,
) WebhookUsecase {
registerHandlers()
return &webhookUsecaseImpl{
ds: ds,
applicationUsecase: applicationUsecase,
}
}
func registerHandlers() {
new(customHandlerImpl).install()
new(acrHandlerImpl).install()
new(dockerHubHandlerImpl).install()
new(harborHandlerImpl).install()
new(jfrogHandlerImpl).install()
}
type webhookHandler interface {
handle(ctx context.Context, trigger *model.ApplicationTrigger, app *model.Application) (interface{}, error)
install()
}
type customHandlerImpl struct {
req apisv1.HandleApplicationTriggerWebhookRequest
w *webhookUsecaseImpl
}
type acrHandlerImpl struct {
req apisv1.HandleApplicationTriggerACRRequest
w *webhookUsecaseImpl
}
type dockerHubHandlerImpl struct {
req apisv1.HandleApplicationTriggerDockerHubRequest
w *webhookUsecaseImpl
}
func (c *webhookUsecaseImpl) newCustomHandler(req *restful.Request) (webhookHandler, error) {
var webhookReq apisv1.HandleApplicationTriggerWebhookRequest
if err := req.ReadEntity(&webhookReq); err != nil {
return nil, bcode.ErrInvalidWebhookPayloadBody
}
return &customHandlerImpl{
req: webhookReq,
w: c,
}, nil
}
func (c *webhookUsecaseImpl) newACRHandler(req *restful.Request) (webhookHandler, error) {
var acrReq apisv1.HandleApplicationTriggerACRRequest
if err := req.ReadEntity(&acrReq); err != nil {
return nil, bcode.ErrInvalidWebhookPayloadBody
}
return &acrHandlerImpl{
req: acrReq,
w: c,
}, nil
}
func (c *webhookUsecaseImpl) newDockerHubHandler(req *restful.Request) (webhookHandler, error) {
var dockerHubReq apisv1.HandleApplicationTriggerDockerHubRequest
if err := req.ReadEntity(&dockerHubReq); err != nil {
return nil, bcode.ErrInvalidWebhookPayloadBody
}
return &dockerHubHandlerImpl{
req: dockerHubReq,
w: c,
}, nil
}
func (c *webhookUsecaseImpl) HandleApplicationWebhook(ctx context.Context, token string, req *restful.Request) (interface{}, error) {
webhookTrigger := &model.ApplicationTrigger{
Token: token,
}
if err := c.ds.Get(ctx, webhookTrigger); err != nil {
if errors.Is(err, datastore.ErrRecordNotExist) {
return nil, bcode.ErrInvalidWebhookToken
}
return nil, err
}
app := &model.Application{
Name: webhookTrigger.AppPrimaryKey,
}
if err := c.ds.Get(ctx, app); err != nil {
if errors.Is(err, datastore.ErrRecordNotExist) {
return nil, bcode.ErrApplicationNotExist
}
return nil, err
}
var handler webhookHandler
var err error
switch webhookTrigger.PayloadType {
case model.PayloadTypeCustom:
handler, err = c.newCustomHandler(req)
if err != nil {
return nil, err
}
case model.PayloadTypeACR:
handler, err = c.newACRHandler(req)
if err != nil {
return nil, err
}
case model.PayloadTypeHarbor:
handler, err = c.newHarborHandler(req)
if err != nil {
return nil, err
}
case model.PayloadTypeDockerhub:
handler, err = c.newDockerHubHandler(req)
if err != nil {
return nil, err
}
case model.PayloadTypeJFrog:
handler, err = c.newJFrogHandler(req)
if err != nil {
return nil, err
}
default:
return nil, bcode.ErrInvalidWebhookPayloadType
}
return handler.handle(ctx, webhookTrigger, app)
}
func (c *webhookUsecaseImpl) patchComponentProperties(ctx context.Context, component *model.ApplicationComponent, patch *runtime.RawExtension) error {
merge, err := envbinding.MergeRawExtension(component.Properties.RawExtension(), patch)
if err != nil {
return err
}
prop, err := model.NewJSONStructByStruct(merge)
if err != nil {
return err
}
component.Properties = prop
if err := c.ds.Put(ctx, component); err != nil {
return err
}
return nil
}
func (c *customHandlerImpl) handle(ctx context.Context, webhookTrigger *model.ApplicationTrigger, app *model.Application) (interface{}, error) {
for comp, properties := range c.req.Upgrade {
component := &model.ApplicationComponent{
AppPrimaryKey: webhookTrigger.AppPrimaryKey,
Name: comp,
}
if err := c.w.ds.Get(ctx, component); err != nil {
if errors.Is(err, datastore.ErrRecordNotExist) {
return nil, bcode.ErrApplicationComponentNotExist
}
return nil, err
}
if err := c.w.patchComponentProperties(ctx, component, properties.RawExtension()); err != nil {
return nil, err
}
}
return c.w.applicationUsecase.Deploy(ctx, app, apisv1.ApplicationDeployRequest{
WorkflowName: webhookTrigger.WorkflowName,
Note: "triggered by webhook custom",
TriggerType: apisv1.TriggerTypeWebhook,
Force: true,
CodeInfo: c.req.CodeInfo,
})
}
func (c *customHandlerImpl) install() {
WebhookHandlers = append(WebhookHandlers, model.PayloadTypeCustom)
}
func (c *acrHandlerImpl) handle(ctx context.Context, webhookTrigger *model.ApplicationTrigger, app *model.Application) (interface{}, error) {
comp := &model.ApplicationComponent{
AppPrimaryKey: webhookTrigger.AppPrimaryKey,
}
comps, err := c.w.ds.List(ctx, comp, &datastore.ListOptions{})
if err != nil {
return nil, err
}
if len(comps) == 0 {
return nil, bcode.ErrApplicationComponentNotExist
}
// use the first component as the target component
component := comps[0].(*model.ApplicationComponent)
acrReq := c.req
image := fmt.Sprintf("registry.%s.aliyuncs.com/%s:%s", acrReq.Repository.Region, acrReq.Repository.RepoFullName, acrReq.PushData.Tag)
if err := c.w.patchComponentProperties(ctx, component, &runtime.RawExtension{
Raw: []byte(fmt.Sprintf(`{"image": "%s"}`, image)),
}); err != nil {
return nil, err
}
return c.w.applicationUsecase.Deploy(ctx, app, apisv1.ApplicationDeployRequest{
WorkflowName: webhookTrigger.WorkflowName,
Note: "triggered by webhook acr",
TriggerType: apisv1.TriggerTypeWebhook,
Force: true,
ImageInfo: &model.ImageInfo{
Type: model.PayloadTypeACR,
Resource: &model.ImageResource{
Digest: acrReq.PushData.Digest,
Tag: acrReq.PushData.Tag,
URL: image,
CreateTime: parseTimeString(acrReq.PushData.PushedAt),
},
Repository: &model.ImageRepository{
Name: acrReq.Repository.Name,
Namespace: acrReq.Repository.Namespace,
FullName: acrReq.Repository.RepoFullName,
Region: acrReq.Repository.Region,
Type: acrReq.Repository.RepoType,
CreateTime: parseTimeString(acrReq.Repository.DateCreated),
},
},
})
}
func (c *acrHandlerImpl) install() {
WebhookHandlers = append(WebhookHandlers, model.PayloadTypeACR)
}
func (c dockerHubHandlerImpl) handle(ctx context.Context, trigger *model.ApplicationTrigger, app *model.Application) (interface{}, error) {
dockerHubReq := c.req
if dockerHubReq.Repository.Status != "Active" {
log.Logger.Debugf("receive dockerhub webhook but not create event: %v", dockerHubReq)
return &apisv1.ApplicationDockerhubWebhookResponse{
State: "failed",
Description: "not create event",
}, nil
}
comp := &model.ApplicationComponent{
AppPrimaryKey: trigger.AppPrimaryKey,
}
comps, err := c.w.ds.List(ctx, comp, &datastore.ListOptions{})
if err != nil {
return nil, err
}
if len(comps) == 0 {
return nil, bcode.ErrApplicationComponentNotExist
}
// use the first component as the target component
component := comps[0].(*model.ApplicationComponent)
image := fmt.Sprintf("docker.io/%s:%s", dockerHubReq.Repository.RepoName, dockerHubReq.PushData.Tag)
if err := c.w.patchComponentProperties(ctx, component, &runtime.RawExtension{
Raw: []byte(fmt.Sprintf(`{"image": "%s"}`, image)),
}); err != nil {
return nil, err
}
repositoryType := "public"
if dockerHubReq.Repository.IsPrivate {
repositoryType = "private"
}
if _, err = c.w.applicationUsecase.Deploy(ctx, app, apisv1.ApplicationDeployRequest{
WorkflowName: trigger.WorkflowName,
Note: "triggered by webhook dockerhub",
TriggerType: apisv1.TriggerTypeWebhook,
Force: true,
ImageInfo: &model.ImageInfo{
Type: model.PayloadTypeDockerhub,
Resource: &model.ImageResource{
Tag: dockerHubReq.PushData.Tag,
URL: image,
CreateTime: time.Unix(dockerHubReq.PushData.PushedAt, 0),
},
Repository: &model.ImageRepository{
Name: dockerHubReq.Repository.Name,
Namespace: dockerHubReq.Repository.Namespace,
FullName: dockerHubReq.Repository.RepoName,
Type: repositoryType,
CreateTime: time.Unix(dockerHubReq.Repository.DateCreated, 0),
},
},
}); err != nil {
return nil, err
}
return &apisv1.ApplicationDockerhubWebhookResponse{
State: "success",
Description: fmt.Sprintf("update application %s/%s success", app.Name, component.Name),
}, nil
}
func (c dockerHubHandlerImpl) install() {
WebhookHandlers = append(WebhookHandlers, model.PayloadTypeDockerhub)
}
func parseTimeString(t string) time.Time {
if t == "" {
return time.Time{}
}
l, err := time.LoadLocation("PRC")
if err != nil {
log.Logger.Errorf("failed to load location: %v", err)
return time.Time{}
}
parsedTime, err := time.ParseInLocation("2006-01-02 15:04:05", t, l)
if err != nil {
log.Logger.Errorf("failed to parse time: %v", err)
return time.Time{}
}
return parsedTime
}
type harborHandlerImpl struct {
req apisv1.HandleApplicationHarborReq
w *webhookUsecaseImpl
}
func (c *webhookUsecaseImpl) newHarborHandler(req *restful.Request) (webhookHandler, error) {
var harborReq apisv1.HandleApplicationHarborReq
if err := req.ReadEntity(&harborReq); err != nil {
return nil, bcode.ErrInvalidWebhookPayloadBody
}
if harborReq.Type != model.HarborEventTypePushArtifact {
return nil, bcode.ErrInvalidWebhookPayloadBody
}
return &harborHandlerImpl{
req: harborReq,
w: c,
}, nil
}
func (c *harborHandlerImpl) install() {
WebhookHandlers = append(WebhookHandlers, model.PayloadTypeHarbor)
}
func (c *harborHandlerImpl) handle(ctx context.Context, webhookTrigger *model.ApplicationTrigger, app *model.Application) (interface{}, error) {
resources := c.req.EventData.Resources
if len(resources) < 1 {
return nil, bcode.ErrInvalidWebhookPayloadBody
}
imageURL := resources[0].ResourceURL
digest := resources[0].Digest
tag := resources[0].Tag
comp := &model.ApplicationComponent{
AppPrimaryKey: webhookTrigger.AppPrimaryKey,
}
comps, err := c.w.ds.List(ctx, comp, &datastore.ListOptions{})
if err != nil {
return nil, err
}
if len(comps) == 0 {
return nil, bcode.ErrApplicationComponentNotExist
}
// use the first component as the target component
component := comps[0].(*model.ApplicationComponent)
harborReq := c.req
if err := c.w.patchComponentProperties(ctx, component, &runtime.RawExtension{
Raw: []byte(fmt.Sprintf(`{"image": "%s"}`, imageURL)),
}); err != nil {
return nil, err
}
return c.w.applicationUsecase.Deploy(ctx, app, apisv1.ApplicationDeployRequest{
WorkflowName: webhookTrigger.WorkflowName,
Note: "triggered by webhook harbor",
TriggerType: apisv1.TriggerTypeWebhook,
Force: true,
ImageInfo: &model.ImageInfo{
Type: model.PayloadTypeHarbor,
Resource: &model.ImageResource{
Digest: digest,
Tag: tag,
URL: imageURL,
CreateTime: time.Unix(harborReq.OccurAt, 0),
},
Repository: &model.ImageRepository{
Name: harborReq.EventData.Repository.Name,
Namespace: harborReq.EventData.Repository.Namespace,
FullName: harborReq.EventData.Repository.RepoFullName,
Type: harborReq.EventData.Repository.RepoType,
CreateTime: time.Unix(harborReq.EventData.Repository.DateCreated, 0),
},
},
})
}
type jfrogHandlerImpl struct {
req apisv1.HandleApplicationTriggerJFrogRequest
w *webhookUsecaseImpl
}
func (c *webhookUsecaseImpl) newJFrogHandler(req *restful.Request) (webhookHandler, error) {
var jfrogReq apisv1.HandleApplicationTriggerJFrogRequest
if err := req.ReadEntity(&jfrogReq); err != nil {
return nil, bcode.ErrInvalidWebhookPayloadBody
}
if jfrogReq.Domain != model.JFrogDomainDocker || jfrogReq.EventType != model.JFrogEventTypePush {
return nil, bcode.ErrInvalidWebhookPayloadBody
}
// jfrog should use request header to give URL, it is not exist in request body
jfrogReq.Data.URL = req.HeaderParameter("X-JFrogURL")
return &jfrogHandlerImpl{
req: jfrogReq,
w: c,
}, nil
}
func (j *jfrogHandlerImpl) handle(ctx context.Context, webhookTrigger *model.ApplicationTrigger, app *model.Application) (interface{}, error) {
jfrogReq := j.req
comp := &model.ApplicationComponent{
AppPrimaryKey: webhookTrigger.AppPrimaryKey,
}
comps, err := j.w.ds.List(ctx, comp, &datastore.ListOptions{})
if err != nil {
return nil, err
}
if len(comps) == 0 {
return nil, bcode.ErrApplicationComponentNotExist
}
// use the first component as the target component
component := comps[0].(*model.ApplicationComponent)
image := fmt.Sprintf("%s/%s:%s", jfrogReq.Data.RepoKey, jfrogReq.Data.ImageName, jfrogReq.Data.Tag)
if jfrogReq.Data.URL != "" {
image = fmt.Sprintf("%s/%s", jfrogReq.Data.URL, image)
}
if err := j.w.patchComponentProperties(ctx, component, &runtime.RawExtension{
Raw: []byte(fmt.Sprintf(`{"image": "%s"}`, image)),
}); err != nil {
return nil, err
}
return j.w.applicationUsecase.Deploy(ctx, app, apisv1.ApplicationDeployRequest{
WorkflowName: webhookTrigger.WorkflowName,
Note: "triggered by webhook jfrog",
TriggerType: apisv1.TriggerTypeWebhook,
Force: true,
ImageInfo: &model.ImageInfo{
Type: model.PayloadTypeHarbor,
Resource: &model.ImageResource{
Digest: jfrogReq.Data.Digest,
Tag: jfrogReq.Data.Tag,
URL: image,
},
Repository: &model.ImageRepository{
Name: jfrogReq.Data.ImageName,
Namespace: jfrogReq.Data.RepoKey,
FullName: fmt.Sprintf("%s/%s", jfrogReq.Data.RepoKey, jfrogReq.Data.ImageName),
},
},
})
}
func (j *jfrogHandlerImpl) install() {
WebhookHandlers = append(WebhookHandlers, model.PayloadTypeJFrog)
}