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statefulset.go
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statefulset.go
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package models
import (
"encoding/json"
"errors"
"fmt"
"strconv"
"strings"
"time"
"github.com/astaxie/beego/logs"
kapi "k8s.io/api/core/v1"
"github.com/Qihoo360/wayne/src/backend/util/hack"
)
const (
TableNameStatefulset = "statefulset"
)
type statefulsetModel struct{}
type StatefulsetMetaData struct {
Replicas map[string]int32 `json:"replicas"`
Resources map[string]string `json:"resources,omitempty"`
Affinity *kapi.Affinity `json:"affinity,omitempty"`
// 是否允许用户使用特权模式,默认不允许,key 为容器名称
Privileged map[string]*bool `json:"privileged"`
}
type Statefulset struct {
Id int64 `orm:"auto" json:"id,omitempty"`
Name string `orm:"unique;index;size(128)" json:"name,omitempty"`
/* 存储元数据
{
"replicas": {
"K8S": 1
},
"privileged":{"nginx",true},
"affinity": {
"podAntiAffinity": {
"requiredDuringSchedulingIgnoredDuringExecution": [
{
"labelSelector": {
"matchExpressions": [
{
"operator": "In",
"values": [
"xxx"
],
"key": "app"
}
]
},
"topologyKey": "kubernetes.io/hostname"
}
]
}
},
"resources":{
"cpuRequestLimitPercent": "50%", // cpu request和limit百分比,默认50%
"memoryRequestLimitPercent": "100%", // memory request和limit百分比,默认100%
"cpuLimit":"12", // cpu限制,默认12个核
"memoryLimit":"64" // 内存限制,默认64G
"replicaLimit":"32" // 份数限制,默认32份
}
}
*/
MetaData string `orm:"type(text)" json:"metaData,omitempty"`
MetaDataObj StatefulsetMetaData `orm:"-" json:"-"`
App *App `orm:"index;rel(fk)" json:"app,omitempty"`
Description string `orm:"null;size(512)" json:"description,omitempty"`
OrderId int64 `orm:"index;default(0)" json:"order"`
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"`
AppId int64 `orm:"-" json:"appId,omitempty"`
}
func (*Statefulset) TableName() string {
return TableNameStatefulset
}
func (*statefulsetModel) GetNames(filters map[string]interface{}) ([]Statefulset, error) {
var statefulsets []Statefulset
qs := Ormer().
QueryTable(new(Statefulset))
if len(filters) > 0 {
for k, v := range filters {
qs = qs.Filter(k, v)
}
}
_, err := qs.All(&statefulsets, "Id", "Name")
if err != nil {
return nil, err
}
return statefulsets, nil
}
func (*statefulsetModel) UpdateOrders(statefulsets []*Statefulset) error {
if len(statefulsets) < 1 {
return errors.New("statefulsets' length should greater than 0. ")
}
batchUpateSql := fmt.Sprintf("UPDATE `%s` SET `order_id` = CASE ", TableNameStatefulset)
ids := make([]string, 0)
for _, statefulset := range statefulsets {
ids = append(ids, strconv.Itoa(int(statefulset.Id)))
batchUpateSql = fmt.Sprintf("%s WHEN `id` = %d THEN %d ", batchUpateSql, statefulset.Id, statefulset.OrderId)
}
batchUpateSql = fmt.Sprintf("%s END WHERE `id` IN (%s)", batchUpateSql, strings.Join(ids, ","))
_, err := Ormer().Raw(batchUpateSql).Exec()
return err
}
func (*statefulsetModel) Add(m *Statefulset) (id int64, err error) {
m.App = &App{Id: m.AppId}
id, err = Ormer().Insert(m)
return
}
func (*statefulsetModel) UpdateById(m *Statefulset) (err error) {
v := Statefulset{Id: m.Id}
// ascertain id exists in the database
if err = Ormer().Read(&v); err == nil {
m.App = &App{Id: m.AppId}
_, err = Ormer().Update(m)
return err
}
return
}
func (*statefulsetModel) GetById(id int64) (v *Statefulset, err error) {
v = &Statefulset{Id: id}
if err = Ormer().Read(v); err == nil {
v.AppId = v.App.Id
return v, nil
}
return nil, err
}
func (*statefulsetModel) GetParseMetaDataById(id int64) (v *Statefulset, err error) {
v = &Statefulset{Id: id}
if err = Ormer().Read(v); err == nil {
v.AppId = v.App.Id
err = json.Unmarshal(hack.Slice(v.MetaData), &v.MetaDataObj)
if err != nil {
logs.Error("parse statefulset metaData error.", v.MetaData)
return nil, err
}
return v, nil
}
return nil, err
}
func (*statefulsetModel) DeleteById(id int64, logical bool) (err error) {
v := Statefulset{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
}