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namespace.go
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namespace.go
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package models
import (
"encoding/json"
"fmt"
"time"
"k8s.io/api/core/v1"
"github.com/Qihoo360/wayne/src/backend/util/hack"
"github.com/Qihoo360/wayne/src/backend/util/logs"
)
const (
DefaultNamespace = "demo"
TableNameNamespace = "namespace"
)
type namespaceModel struct{}
type Namespace struct {
Id int64 `orm:"auto" json:"id,omitempty"`
Name string `orm:"index;unique;size(128)" json:"name,omitempty"`
// 配置对应Kubernetes的namespace {"namespace":"default"}
// 配置对应namespace可使用的集群 {"clusters":"K8S"}
MetaData string `orm:"type(text)" json:"metaData,omitempty"`
MetaDataObj NamespaceMetaData `orm:"-" json:"-"`
CreateTime *time.Time `orm:"auto_now_add;type(datetime)" json:"createTime,omitempty"`
UpdateTime *time.Time `orm:"auto_now;type(datetime)" json:"updateTime,omitempty"`
User string `orm:"size(128)" json:"user,omitempty"`
Deleted bool `orm:"default(false)" json:"deleted,omitempty"`
// 用于权限的关联查询
NamespaceUsers []*NamespaceUser `orm:"reverse(many)" json:"-"`
}
func (ns *Namespace) String() string {
return fmt.Sprintf("[%d]%s", ns.Id, ns.Name)
}
func (*Namespace) TableName() string {
return TableNameNamespace
}
type NamespaceMetaData struct {
// kubernetes' namespace
Namespace string `json:"namespace,omitempty"`
// key is cluster name, if the key not exist on clusterMeta
// means this namespace could't use the cluster
ClusterMetas map[string]ClusterMeta `json:"clusterMeta,omitempty"`
// current namespace env, will overwrite cluster's Env
Env []v1.EnvVar `json:"env,omitempty"`
// current namespace image pull secrets, will overwrite cluster's ImagePullSecrets
ImagePullSecrets []v1.LocalObjectReference `json:"imagePullSecrets"`
// current namespace service annotation, will overwrite cluster service's Annotation
ServiceAnnotations map[string]string `json:"serviceAnnotations,omitempty"`
// current namespace ingress annotation, will overwrite cluster ingress's Annotation
IngressAnnotations map[string]string `json:"ingressAnnotations,omitempty"`
}
type ClusterMeta struct {
ResourcesLimit ResourcesLimit `json:"resourcesLimit"`
}
type ResourcesLimit struct {
// unit core
Cpu int64 `json:"cpu,omitempty"`
// unit G
Memory int64 `json:"memory,omitempty"`
}
func (*namespaceModel) GetNames(deleted bool) ([]*Namespace, error) {
namespaces := []*Namespace{}
_, err := Ormer().
QueryTable(new(Namespace)).
Filter("Deleted", deleted).
All(&namespaces, "Id", "Name")
if err != nil {
return nil, err
}
return namespaces, nil
}
func (*namespaceModel) GetAll(deleted bool) ([]*Namespace, error) {
namespaces := []*Namespace{}
_, err := Ormer().
QueryTable(new(Namespace)).
Filter("Deleted", deleted).
OrderBy("Name").
All(&namespaces)
if err != nil {
return nil, err
}
return namespaces, nil
}
func (*namespaceModel) GetByName(name string) (n *Namespace, err error) {
n = &Namespace{Name: name}
if err = Ormer().Read(n, "name"); err == nil {
return n, nil
}
return nil, err
}
// Add insert a new Namespace into database and returns
// last inserted Id on success.
func (*namespaceModel) Add(m *Namespace) (id int64, err error) {
m.CreateTime = nil
id, err = Ormer().Insert(m)
return
}
// UpdateById updates Namespace by Id and returns error if
// the record to be updated doesn't exist
func (*namespaceModel) UpdateById(m *Namespace) (err error) {
v := Namespace{Id: m.Id}
// ascertain id exists in the database
if err = Ormer().Read(&v); err == nil {
m.UpdateTime = nil
_, err = Ormer().Update(m)
return err
}
return
}
// GetById retrieves Namespace by Id. Returns error if
// Id doesn't exist
func (*namespaceModel) GetById(id int64) (v *Namespace, err error) {
v = &Namespace{Id: id}
if err = Ormer().Read(v); err == nil {
return v, nil
}
return nil, err
}
// Delete deletes Namespace by Id and returns error if
// the record to be deleted doesn't exist
func (*namespaceModel) DeleteById(id int64, logical bool) (err error) {
v := Namespace{Id: id}
// ascertain id exists in the database
if err = Ormer().Read(&v); err == nil {
if logical {
v.Deleted = true
_, err = Ormer().Update(&v)
return err
}
_, err = Ormer().Delete(&v)
return err
}
return
}
// 初始化默认命名空间
func (*namespaceModel) InitNamespace() (err error) {
// 检查现有数据库,避免重复插入
defaultNS := Namespace{
Name: DefaultNamespace,
User: "system",
MetaData: "{\"namespace\": \"default\"}",
}
_, _, err = Ormer().ReadOrCreate(&defaultNS, "Name")
return
}
func (*namespaceModel) GetNamespaceByAppId(appId int64) (*Namespace, error) {
app, err := AppModel.GetById(appId)
if err != nil {
logs.Warning("get app by id (%d) error. %v", appId, err)
return nil, err
}
ns, err := 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 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
}