Rainbond/worker/appm/statefulset.go

117 lines
3.7 KiB
Go

// Copyright (C) 2014-2018 Goodrain Co., Ltd.
// RAINBOND, Application Management Platform
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version. For any non-GPL usage of Rainbond,
// one or multiple Commercial Licenses authorized by Goodrain Co., Ltd.
// must be obtained first.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package appm
import (
"fmt"
"strings"
"github.com/goodrain/rainbond/db"
"github.com/goodrain/rainbond/db/model"
"github.com/goodrain/rainbond/event"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/client-go/pkg/apis/apps/v1beta1"
"github.com/Sirupsen/logrus"
)
//StatefulSetBuild StatefulSetBuild
type StatefulSetBuild struct {
serviceID, eventID string
podBuild *PodTemplateSpecBuild
dbmanager db.Manager
service *model.TenantServices
tenant *model.Tenants
logger event.Logger
}
//StatefulSetBuilder StatefulSetBuilder
func StatefulSetBuilder(serviceID string, logger event.Logger, nodeAPI string) (*StatefulSetBuild, error) {
podBuild, err := PodTemplateSpecBuilder(serviceID, logger, nodeAPI)
if err != nil {
logrus.Error("create pod template build error.", err.Error())
return nil, err
}
return &StatefulSetBuild{
serviceID: serviceID,
eventID: logger.Event(),
podBuild: podBuild,
tenant: podBuild.GetTenant(),
service: podBuild.GetService(),
dbmanager: db.GetManager(),
}, nil
}
func int32Ptr(i int) *int32 {
j := int32(i)
return &j
}
//Build 构建
func (s *StatefulSetBuild) Build() (*v1beta1.StatefulSet, error) {
pod, err := s.podBuild.Build()
if err != nil {
logrus.Error("pod template build error:", err.Error())
return nil, fmt.Errorf("pod template build error: %s", err.Error())
}
//有状态服务挂载目录地址到POD级。即每个POD挂载以不变PODNAME结尾的目录
//原路径: /grdata/tenant/***/services/***
//有状态服务路径: /grdata/tenant/***/services/***/PODNAME
if len(pod.Spec.Containers) > 0 && len(pod.Spec.Containers[0].VolumeMounts) > 0 {
for j := range pod.Spec.Containers {
for i := range pod.Spec.Containers[j].VolumeMounts {
vm := pod.Spec.Containers[j].VolumeMounts[i]
var podName = "PODNAME"
if strings.HasPrefix(vm.Name, "manual") || strings.HasPrefix(vm.Name, "mnt") || strings.HasPrefix(vm.Name, "vol") {
pod.Spec.Containers[j].VolumeMounts[i].SubPath = podName
}
}
}
}
statefulSpec := v1beta1.StatefulSetSpec{
Template: *pod,
}
statefulSpec.Replicas = int32Ptr(s.service.Replicas)
statefulSpec.Selector = metav1.SetAsLabelSelector(map[string]string{
"name": s.service.ServiceAlias,
"version": s.service.DeployVersion,
})
//赋值 对应的ServiceName
statefulSpec.ServiceName = s.service.ServiceAlias
stateful := &v1beta1.StatefulSet{
Spec: statefulSpec,
}
stateful.Namespace = s.tenant.UUID
stateful.Name = s.service.ServiceAlias
stateful.GenerateName = s.service.ServiceAlias
stateful.Labels = map[string]string{
"name": s.service.ServiceAlias,
"version": s.service.DeployVersion,
}
stateful.Kind = "StatefulSet"
//TODO: 根据k8s版本进行更改
stateful.APIVersion = "apps/v1beta1"
return stateful, nil
}
//GetTenant 获取租户id
func (s *StatefulSetBuild) GetTenant() string {
return s.tenant.UUID
}