forked from Qihoo360/wayne
/
deployment.go
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/
deployment.go
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package deployment
import (
"encoding/json"
"fmt"
"net/http"
"k8s.io/api/apps/v1beta1"
"k8s.io/apimachinery/pkg/labels"
"k8s.io/client-go/kubernetes"
"github.com/Qihoo360/wayne/src/backend/client"
"github.com/Qihoo360/wayne/src/backend/controllers/base"
"github.com/Qihoo360/wayne/src/backend/controllers/common"
"github.com/Qihoo360/wayne/src/backend/models"
"github.com/Qihoo360/wayne/src/backend/models/response"
"github.com/Qihoo360/wayne/src/backend/models/response/errors"
"github.com/Qihoo360/wayne/src/backend/resources/deployment"
"github.com/Qihoo360/wayne/src/backend/resources/namespace"
"github.com/Qihoo360/wayne/src/backend/util"
"github.com/Qihoo360/wayne/src/backend/util/hack"
"github.com/Qihoo360/wayne/src/backend/util/logs"
"github.com/Qihoo360/wayne/src/backend/workers/webhook"
)
type KubeDeploymentController struct {
base.APIController
}
func (c *KubeDeploymentController) URLMapping() {
c.Mapping("List", c.List)
c.Mapping("Get", c.Get)
c.Mapping("Update", c.Update)
c.Mapping("GetDetail", c.GetDetail)
c.Mapping("Offline", c.Offline)
c.Mapping("Deploy", c.Deploy)
}
func (c *KubeDeploymentController) Prepare() {
// Check administration
c.APIController.Prepare()
perAction := ""
_, method := c.GetControllerAndAction()
switch method {
case "Get":
perAction = models.PermissionRead
case "Deploy":
perAction = models.PermissionDeploy
case "Offline":
perAction = models.PermissionOffline
}
if perAction != "" {
c.CheckPermission(models.PermissionTypeDeployment, perAction)
}
}
// @Title List deployment
// @Description get all deployment
// @Param pageNo query int false "the page current no"
// @Param pageSize query int false "the page size"
// @Param filter query string false "column filter, ex. filter=name=test"
// @Param sortby query string false "column sorted by, ex. sortby=-id, '-' representation desc, and sortby=id representation asc"
// @Param cluster path string true "the cluster name"
// @Param namespace path string true "the namespace name"
// @Success 200 {object} common.Page success
// @router /namespaces/:namespace/clusters/:cluster [get]
func (c *KubeDeploymentController) List() {
param := c.BuildQueryParam()
cluster := c.Ctx.Input.Param(":cluster")
namespace := c.Ctx.Input.Param(":namespace")
manager, err := client.Manager(cluster)
if err == nil {
result, err := deployment.GetDeploymentPage(manager.Client, manager.Indexer, namespace, param)
if err != nil {
logs.Error("list kubernetes deployments error.", cluster, namespace, err)
c.HandleError(err)
return
}
c.Success(result)
} else {
c.AbortBadRequestFormat("Cluster")
}
}
// @Title Update
// @Description update the Deployment
// @Param id path int true "The id you want to update"
// @Param body body models.App true "The body"
// @Success 200 models.Namespace success
// @router /:deployment/namespaces/:namespace/clusters/:cluster [put]
func (c *KubeDeploymentController) Update() {
cluster := c.Ctx.Input.Param(":cluster")
namespace := c.Ctx.Input.Param(":namespace")
name := c.Ctx.Input.Param(":deployment")
var obj v1beta1.Deployment
err := json.Unmarshal(c.Ctx.Input.RequestBody, &obj)
if err != nil {
logs.Error("Invalid param body.%v", err)
c.AbortBadRequestFormat("Deployment")
}
cli, err := client.Client(cluster)
if err == nil {
result, err := deployment.UpdateDeployment(cli, &obj)
if err != nil {
logs.Error("update kubernetes deployment error.", cluster, namespace, name, err)
c.HandleError(err)
return
}
c.Success(result)
} else {
c.AbortBadRequestFormat("Cluster")
}
}
// @Title deploy
// @Description deploy tpl
// @Param body body string true "The tpl content"
// @Success 200 return ok success
// @router /:deploymentId([0-9]+)/tpls/:tplId([0-9]+)/clusters/:cluster [post]
func (c *KubeDeploymentController) Deploy() {
deploymentId := c.GetIntParamFromURL(":deploymentId")
tplId := c.GetIntParamFromURL(":tplId")
var kubeDeployment v1beta1.Deployment
err := json.Unmarshal(c.Ctx.Input.RequestBody, &kubeDeployment)
if err != nil {
logs.Error("Invalid deployment tpl %v", string(c.Ctx.Input.RequestBody))
c.AbortBadRequestFormat("KubeDeployment")
}
cluster := c.Ctx.Input.Param(":cluster")
cli, err := client.Client(cluster)
if err == nil {
namespaceModel, err := getNamespace(c.AppId)
if err != nil {
logs.Error("get getNamespaceMetaData error.%v", err)
c.HandleError(err)
return
}
clusterModel, err := models.ClusterModel.GetParsedMetaDataByName(cluster)
if err != nil {
logs.Error("get cluster error.%v", err)
c.HandleError(err)
return
}
deploymentModel, err := models.DeploymentModel.GetParseMetaDataById(int64(deploymentId))
if err != nil {
logs.Error("get deployment error.%v", err)
c.HandleError(err)
return
}
common.DeploymentPreDeploy(&kubeDeployment, deploymentModel, clusterModel, namespaceModel)
publishHistory := &models.PublishHistory{
Type: models.PublishTypeDeployment,
ResourceId: int64(deploymentId),
ResourceName: kubeDeployment.Name,
TemplateId: int64(tplId),
Cluster: cluster,
User: c.User.Name,
}
defer models.PublishHistoryModel.Add(publishHistory)
err = checkResourceAvailable(namespaceModel, cli, &kubeDeployment, cluster)
if err != nil {
publishHistory.Status = models.ReleaseFailure
publishHistory.Message = err.Error()
c.HandleError(err)
return
}
// 发布资源到k8s平台
_, err = deployment.CreateOrUpdateDeployment(cli, &kubeDeployment)
if err != nil {
publishHistory.Status = models.ReleaseFailure
publishHistory.Message = err.Error()
logs.Error("deploy deployment error.%v", err)
c.HandleError(err)
return
} else {
publishHistory.Status = models.ReleaseSuccess
err = models.PublishStatusModel.Add(deploymentId, tplId, cluster, models.PublishTypeDeployment)
// 添加发布状态
if err != nil {
logs.Error("add deployment deploy status error.%v", err)
c.HandleError(err)
return
}
err = models.DeploymentModel.Update(*kubeDeployment.Spec.Replicas, deploymentModel, cluster)
if err != nil {
logs.Error("update deployment metadata error.%v", err)
c.HandleError(err)
return
}
}
webhook.PublishEventDeployment(c.NamespaceId, c.AppId, c.User.Name, c.Ctx.Input.IP(), webhook.UpgradeDeployment, response.Resource{
Type: publishHistory.Type,
ResourceId: publishHistory.ResourceId,
ResourceName: publishHistory.ResourceName,
TemplateId: publishHistory.TemplateId,
Cluster: publishHistory.Cluster,
Status: publishHistory.Status,
Message: publishHistory.Message,
Object: kubeDeployment,
})
c.Success("ok")
} else {
c.AbortBadRequestFormat("Cluster")
}
}
func checkResourceAvailable(ns *models.Namespace, cli *kubernetes.Clientset, kubeDeployment *v1beta1.Deployment, cluster string) error {
// this namespace can't use current cluster.
clusterMetas, ok := ns.MetaDataObj.ClusterMetas[cluster]
if !ok {
return &errors.ErrorResult{
Code: http.StatusForbidden,
SubCode: http.StatusForbidden,
Msg: fmt.Sprintf("Current namespace (%s) can't use current cluster (%s).Please contact administrator. ", ns.Name, cluster),
}
}
// check resources
selector := labels.SelectorFromSet(map[string]string{
util.NamespaceLabelKey: ns.Name,
})
namespaceResourceUsed, err := namespace.ResourcesUsageByNamespace(cli, ns.MetaDataObj.Namespace, selector.String())
requestResourceList, err := deployment.GetDeploymentResource(cli, kubeDeployment)
if err != nil {
logs.Error("get deployment (%v) resource list error.%v", kubeDeployment, err)
return err
}
if clusterMetas.ResourcesLimit.Memory != 0 &&
clusterMetas.ResourcesLimit.Memory-(namespaceResourceUsed.Memory+requestResourceList.Memory)/1024 < 0 {
return &errors.ErrorResult{
Code: http.StatusForbidden,
SubCode: base.ErrorSubCodeInsufficientResource,
Msg: fmt.Sprintf("request namespace resource (memory:%dGi) is not enough for this deploy", requestResourceList.Memory/1024),
}
}
if clusterMetas.ResourcesLimit.Cpu != 0 &&
clusterMetas.ResourcesLimit.Cpu-(namespaceResourceUsed.Cpu+requestResourceList.Cpu)/1000 < 0 {
return &errors.ErrorResult{
Code: http.StatusForbidden,
SubCode: base.ErrorSubCodeInsufficientResource,
Msg: fmt.Sprintf("request namespace resource (cpu:%d) is not enough for this deploy", requestResourceList.Cpu/1000),
}
}
return nil
}
func getNamespace(appId int64) (*models.Namespace, error) {
app, err := models.AppModel.GetById(appId)
if err != nil {
logs.Warning("get app by id (%d) error. %v", appId, err)
return nil, err
}
ns, err := models.NamespaceModel.GetById(app.Namespace.Id)
if err != nil {
logs.Warning("get namespace by id (%d) error. %v", app.Namespace.Id, err)
return nil, err
}
var namespaceMetaData models.NamespaceMetaData
err = json.Unmarshal(hack.Slice(ns.MetaData), &namespaceMetaData)
if err != nil {
logs.Error("Unmarshal namespace metadata (%s) error. %v", ns.MetaData, err)
return nil, err
}
ns.MetaDataObj = namespaceMetaData
return ns, nil
}
// @Title Get
// @Description find Deployment by cluster
// @Param cluster path string true "the cluster name"
// @Param namespace path string true "the namespace name"
// @Success 200 {object} models.Deployment success
// @router /:deployment/detail/namespaces/:namespace/clusters/:cluster [get]
func (c *KubeDeploymentController) GetDetail() {
cluster := c.Ctx.Input.Param(":cluster")
namespace := c.Ctx.Input.Param(":namespace")
name := c.Ctx.Input.Param(":deployment")
manager, err := client.Manager(cluster)
if err == nil {
result, err := deployment.GetDeploymentDetail(manager.Client, manager.Indexer, name, namespace)
if err != nil {
logs.Error("get kubernetes deployment detail error.", cluster, namespace, name, err)
c.HandleError(err)
return
}
c.Success(result)
} else {
c.AbortBadRequestFormat("Cluster")
}
}
// @Title Get
// @Description find Deployment by cluster
// @Param cluster path string true "the cluster name"
// @Param namespace path string true "the namespace name"
// @Success 200 {object} models.Deployment success
// @router /:deployment/namespaces/:namespace/clusters/:cluster [get]
func (c *KubeDeploymentController) Get() {
cluster := c.Ctx.Input.Param(":cluster")
namespace := c.Ctx.Input.Param(":namespace")
name := c.Ctx.Input.Param(":deployment")
manager, err := client.Manager(cluster)
if err == nil {
result, err := deployment.GetDeployment(manager.Client, name, namespace)
if err != nil {
logs.Error("get kubernetes deployment error.", cluster, namespace, name, err)
c.HandleError(err)
return
}
c.Success(result)
} else {
c.AbortBadRequestFormat("Cluster")
}
}
// @Title Delete
// @Description delete the Deployment
// @Param cluster path string true "the cluster want to delete"
// @Param namespace path string true "the namespace want to delete"
// @Param deployment path string true "the deployment name want to delete"
// @Success 200 {string} delete success!
// @router /:deployment/namespaces/:namespace/clusters/:cluster [delete]
func (c *KubeDeploymentController) Offline() {
cluster := c.Ctx.Input.Param(":cluster")
namespace := c.Ctx.Input.Param(":namespace")
name := c.Ctx.Input.Param(":deployment")
cli, err := client.Client(cluster)
if err == nil {
err := deployment.DeleteDeployment(cli, name, namespace)
if err != nil {
logs.Error("delete deployment (%s) by cluster (%s) error.%v", name, cluster, err)
c.HandleError(err)
return
}
webhook.PublishEventDeployment(c.NamespaceId, c.AppId, c.User.Name, c.Ctx.Input.IP(), webhook.DeleteDeployment, response.Resource{
Type: models.PublishTypeDeployment,
ResourceName: name,
Cluster: cluster,
})
c.Success("ok!")
} else {
c.AbortBadRequestFormat("Cluster")
}
}