forked from Qihoo360/wayne
/
namespace.go
308 lines (282 loc) · 8.47 KB
/
namespace.go
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package namespace
import (
"encoding/json"
"sync"
"k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/labels"
utilerrors "k8s.io/apimachinery/pkg/util/errors"
"github.com/Qihoo360/wayne/src/backend/client"
"github.com/Qihoo360/wayne/src/backend/controllers/base"
"github.com/Qihoo360/wayne/src/backend/models"
"github.com/Qihoo360/wayne/src/backend/resources/common"
"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/util/maps"
)
type KubeNamespaceController struct {
base.APIController
}
func (c *KubeNamespaceController) URLMapping() {
c.Mapping("Resources", c.Resources)
c.Mapping("List", c.List)
c.Mapping("GetNames", c.GetNames)
}
func (c *KubeNamespaceController) Prepare() {
// Check administration
c.APIController.Prepare()
}
// @Title List namespace
// @Description get all namespace by page
// @Param cluster path string true "the cluster name"
// @Success 200 {object} common.Page success
// @router /clusters/:cluster [get]
func (c *KubeNamespaceController) List() {
param := c.BuildQueryParam()
cluster := c.Ctx.Input.Param(":cluster")
cli, err := client.Client(cluster)
if err == nil {
result, err := namespace.GetNamespacePage(cli, param)
if err != nil {
logs.Error("list kubernetes namespaces error.", cluster, err)
c.HandleError(err)
return
}
c.Success(result)
} else {
c.AbortBadRequestFormat("Cluster")
}
}
// @Title List all namespace name
// @Description get all namespace name
// @Param cluster path string true "the cluster name"
// @router /clusters/:cluster/names [get]
func (c *KubeNamespaceController) GetNames() {
cluster := c.Ctx.Input.Param(":cluster")
cli, err := client.Client(cluster)
if err == nil {
result, err := namespace.GetAllNamespaceName(cli)
if err != nil {
logs.Error("list all kubernetes namespace names error.", cluster, err)
c.HandleError(err)
return
}
c.Success(result)
} else {
c.AbortBadRequestFormat("Cluster")
}
}
// @Title Get namespace info
// @Description get one namespace detail
// @Param cluster path string true "the cluster name"
// @Param namespace path string true "the namespace name"
// @Success 200 {object} common.Page success
// @router /:name/clusters/:cluster [get]
func (c *KubeNamespaceController) Get() {
cluster := c.Ctx.Input.Param(":cluster")
ns := c.Ctx.Input.Param(":name")
cli, err := client.Client(cluster)
if err == nil {
result, err := namespace.GetNamespace(cli, ns)
if err != nil {
logs.Error("get kubernetes namespaces error.", cluster, err)
c.HandleError(err)
return
}
c.Success(result)
} else {
c.AbortBadRequestFormat("Cluster")
}
}
// @Title Update
// @Description update the Namespace
// @router /:name/clusters/:cluster [put]
func (c *KubeNamespaceController) Update() {
cluster := c.Ctx.Input.Param(":cluster")
name := c.Ctx.Input.Param(":name")
var tpl v1.Namespace
err := json.Unmarshal(c.Ctx.Input.RequestBody, &tpl)
if err != nil {
c.AbortBadRequestFormat("Namespace")
}
if name != tpl.Name {
c.AbortBadRequestFormat("Name")
}
cli, err := client.Client(cluster)
if err == nil {
result, err := namespace.UpdateNamespace(cli, &tpl)
if err != nil {
logs.Error("update namespace (%v) by cluster (%s) error.%v", tpl, cluster, err)
c.HandleError(err)
return
}
c.Success(result)
} else {
c.AbortBadRequestFormat("Cluster")
}
}
// @Title Create
// @Description create the namespace
// @router /:name/clusters/:cluster [post]
func (c *KubeNamespaceController) Create() {
cluster := c.Ctx.Input.Param(":cluster")
name := c.Ctx.Input.Param(":name")
tpl := new(v1.Namespace)
tpl.Name = name
cli, err := client.Client(cluster)
if err == nil {
// If the namespace does not exist, the value of result is nil.
result, err := namespace.CreateNotExitNamespace(cli, tpl)
if err != nil {
logs.Error("create namespace (%v) by cluster (%s) error.%v", tpl, cluster, err)
c.HandleError(err)
return
}
c.Success(result)
} else {
c.AbortBadRequestFormat("Cluster")
}
}
// @Title Get namespace resource statistics
// @Description Get namespace resource statistics
// @Param app query string false "The app Name"
// @Param nid path string true "The namespace id"
// @Success 200 return ok success
// @router /:id([0-9]+)/resources [get]
func (c *KubeNamespaceController) Resources() {
appName := c.Input().Get("app")
id := c.GetIDFromURL()
ns, err := models.NamespaceModel.GetById(int64(id))
if err != nil {
logs.Warning("get namespace by id (%d) error. %v", id, err)
c.HandleError(err)
return
}
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)
c.HandleError(err)
return
}
syncResourceMap := sync.Map{}
var errs []error
wg := sync.WaitGroup{}
managers := client.Managers()
managers.Range(func(key, value interface{}) bool {
manager := value.(*client.ClusterManager)
wg.Add(1)
go func(m *client.ClusterManager) {
defer wg.Done()
clusterMetas, ok := namespaceMetaData.ClusterMetas[m.Cluster.Name]
// can't use current cluster
if !ok {
return
}
selectorMap := map[string]string{
util.NamespaceLabelKey: ns.Name,
}
if appName != "" {
selectorMap[util.AppLabelKey] = appName
}
selector := labels.SelectorFromSet(selectorMap)
resourceUsage, err := namespace.ResourcesUsageByNamespace(m.Client, namespaceMetaData.Namespace, selector.String())
if err != nil {
logs.Error("get (%s) k8s resource usage error. %v", m.Cluster.Name, err.Error())
errs = append(errs, err)
return
}
syncResourceMap.Store(m.Cluster.Name, common.Resource{
Usage: &common.ResourceList{
Cpu: resourceUsage.Cpu / 1000,
Memory: resourceUsage.Memory / (1024 * 1024 * 1024),
},
Limit: &common.ResourceList{
Cpu: clusterMetas.ResourcesLimit.Cpu,
Memory: clusterMetas.ResourcesLimit.Memory,
},
})
}(manager)
return true
})
wg.Wait()
if len(errs) == maps.SyncMapLen(managers) && len(errs) > 0 {
c.HandleError(utilerrors.NewAggregate(errs))
return
}
result := make(map[string]common.Resource)
syncResourceMap.Range(func(key, value interface{}) bool {
result[key.(string)] = value.(common.Resource)
return true
})
c.Success(result)
}
// @Title Get namespace resource statistics 2.0
// @Description Get namespace resource statistics for report
// @Param app query string false "The app Name"
// @Param nid path string true "The namespace id"
// @Success 200 return ok success
// @router /:id([0-9]+)/statistics [get]
func (c *KubeNamespaceController) Statistics() {
appName := c.Input().Get("app")
id := c.GetIDFromURL()
ns, err := models.NamespaceModel.GetById(int64(id))
if err != nil {
logs.Warning("get namespace by id (%d) error. %v", id, err)
c.HandleError(err)
return
}
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)
c.HandleError(err)
return
}
syncResourceMap := sync.Map{}
var errs []error
wg := sync.WaitGroup{}
managers := client.Managers()
managers.Range(func(key, value interface{}) bool {
manager := value.(*client.ClusterManager)
wg.Add(1)
go func(m *client.ClusterManager) {
defer wg.Done()
selectorMap := map[string]string{
util.NamespaceLabelKey: ns.Name,
}
if appName != "" {
selectorMap[util.AppLabelKey] = appName
}
selector := labels.SelectorFromSet(selectorMap)
resourceUsage, err := namespace.ResourcesOfAppByNamespace(m.Client, namespaceMetaData.Namespace, selector.String())
if err != nil {
logs.Error("get (%s) k8s resource usage error. %v", m.Cluster.Name, err.Error())
errs = append(errs, err)
return
}
syncResourceMap.Store(m.Cluster.Name, resourceUsage)
}(manager)
return true
})
wg.Wait()
if len(errs) == maps.SyncMapLen(managers) && len(errs) > 0 {
c.HandleError(utilerrors.NewAggregate(errs))
return
}
result := make(map[string]*common.ResourceApp)
syncResourceMap.Range(func(key, value interface{}) bool {
for k, v := range value.(map[string]*common.ResourceApp) {
if result[k] == nil {
result[k] = v
} else {
result[k].Cpu += v.Cpu
result[k].Memory += v.Memory
result[k].PodNum += v.PodNum
}
}
return true
})
c.Success(result)
}