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tenant.go
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tenant.go
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// 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 handler
import (
"encoding/json"
"fmt"
"net/http"
"strconv"
"strings"
"github.com/goodrain/rainbond/cmd/api/option"
"github.com/Sirupsen/logrus"
api_model "github.com/goodrain/rainbond/api/model"
"github.com/goodrain/rainbond/api/util"
"github.com/goodrain/rainbond/db"
dbmodel "github.com/goodrain/rainbond/db/model"
"github.com/goodrain/rainbond/mq/api/grpc/pb"
cli "github.com/goodrain/rainbond/node/nodem/client"
"github.com/goodrain/rainbond/worker/client"
)
//TenantAction tenant act
type TenantAction struct {
MQClient pb.TaskQueueClient
statusCli *client.AppRuntimeSyncClient
OptCfg *option.Config
}
//CreateTenManager create Manger
func CreateTenManager(MQClient pb.TaskQueueClient, statusCli *client.AppRuntimeSyncClient,
optCfg *option.Config) *TenantAction {
return &TenantAction{
MQClient: MQClient,
statusCli: statusCli,
OptCfg: optCfg,
}
}
//GetTenants get tenants
func (t *TenantAction) GetTenants() ([]*dbmodel.Tenants, error) {
tenants, err := db.GetManager().TenantDao().GetALLTenants()
if err != nil {
return nil, err
}
return tenants, err
}
//GetTenantsByEid GetTenantsByEid
func (t *TenantAction) GetTenantsByEid(eid string) ([]*dbmodel.Tenants, error) {
tenants, err := db.GetManager().TenantDao().GetTenantByEid(eid)
if err != nil {
return nil, err
}
return tenants, err
}
//GetTenantsPaged GetTenantsPaged
func (t *TenantAction) GetTenantsPaged(offset, len int) ([]*dbmodel.Tenants, error) {
tenants, err := db.GetManager().TenantDao().GetALLTenants()
if err != nil {
return nil, err
}
return tenants, err
}
//TotalMemCPU StatsMemCPU
func (t *TenantAction) TotalMemCPU(services []*dbmodel.TenantServices) (*api_model.StatsInfo, error) {
cpus := 0
mem := 0
for _, service := range services {
logrus.Debugf("service is %d, cpus is %d, mem is %v", service.ID, service.ContainerCPU, service.ContainerMemory)
cpus += service.ContainerCPU
mem += service.ContainerMemory
}
si := &api_model.StatsInfo{
CPU: cpus,
MEM: mem,
}
return si, nil
}
//GetTenantsName get tenants name
func (t *TenantAction) GetTenantsName() ([]string, error) {
tenants, err := db.GetManager().TenantDao().GetALLTenants()
if err != nil {
return nil, err
}
var result []string
for _, v := range tenants {
result = append(result, strings.ToLower(v.Name))
}
return result, err
}
//GetTenantsByName get tenants
func (t *TenantAction) GetTenantsByName(name string) (*dbmodel.Tenants, error) {
tenant, err := db.GetManager().TenantDao().GetTenantIDByName(name)
if err != nil {
return nil, err
}
return tenant, err
}
//GetTenantsByUUID get tenants
func (t *TenantAction) GetTenantsByUUID(uuid string) (*dbmodel.Tenants, error) {
tenant, err := db.GetManager().TenantDao().GetTenantByUUID(uuid)
if err != nil {
return nil, err
}
return tenant, err
}
//StatsMemCPU StatsMemCPU
func (t *TenantAction) StatsMemCPU(services []*dbmodel.TenantServices) (*api_model.StatsInfo, error) {
cpus := 0
mem := 0
for _, service := range services {
status := t.statusCli.GetStatus(service.ServiceID)
if t.statusCli.IsClosedStatus(status) {
continue
}
cpus += service.ContainerCPU
mem += service.ContainerMemory
}
si := &api_model.StatsInfo{
CPU: cpus,
MEM: mem,
}
return si, nil
}
// QueryResult contains result data for a query.
type QueryResult struct {
Data struct {
Type string `json:"resultType"`
Result []map[string]interface{} `json:"result"`
} `json:"data"`
Status string `json:"status"`
}
//GetTenantsResources Gets the resource usage of the specified tenant.
func (t *TenantAction) GetTenantsResources(tr *api_model.TenantResources) (map[string]map[string]interface{}, error) {
ids, err := db.GetManager().TenantDao().GetTenantIDsByNames(tr.Body.TenantNames)
if err != nil {
return nil, err
}
limits, err := db.GetManager().TenantDao().GetTenantLimitsByNames(tr.Body.TenantNames)
if err != nil {
return nil, err
}
services, err := db.GetManager().TenantServiceDao().GetServicesByTenantIDs(ids)
if err != nil {
return nil, err
}
var serviceTenantCount = make(map[string]int, len(ids))
for _, s := range services {
serviceTenantCount[s.TenantID]++
}
// get cluster resources
clusterStats, err := t.GetAllocatableResources()
if err != nil {
return nil, fmt.Errorf("error getting allocatalbe cpu and memory: %v", err)
}
var result = make(map[string]map[string]interface{}, len(ids))
for _, tenantID := range ids {
tr, _ := t.statusCli.GetTenantResource(tenantID)
var limitMemory int64
if l, ok := limits[tenantID]; ok && l != 0 {
limitMemory = int64(l)
} else {
limitMemory = clusterStats.AllMemory
}
result[tenantID] = map[string]interface{}{
"tenant_id": tenantID,
"limit_memory": limitMemory,
"limit_cpu": clusterStats.AllCPU,
"service_running_num": tr.RunningAppNum,
"service_total_num": serviceTenantCount[tenantID],
"cpu": tr.CpuRequest,
"memory": tr.MemoryRequest,
"disk": 0,
}
}
//query disk used in prometheus
pproxy := GetPrometheusProxy()
query := fmt.Sprintf(`sum(app_resource_appfs{tenant_id=~"%s"}) by(tenant_id)`, strings.Join(ids, "|"))
query = strings.Replace(query, " ", "%20", -1)
req, err := http.NewRequest("GET", fmt.Sprintf("http://127.0.0.1:9999/api/v1/query?query=%s", query), nil)
if err != nil {
logrus.Error("create request prometheus api error ", err.Error())
return result, nil
}
presult, err := pproxy.Do(req)
if err != nil {
logrus.Error("do pproxy request prometheus api error ", err.Error())
return result, nil
}
if presult.Body != nil {
defer presult.Body.Close()
if presult.StatusCode != 200 {
return result, nil
}
var qres QueryResult
err = json.NewDecoder(presult.Body).Decode(&qres)
if err == nil {
for _, re := range qres.Data.Result {
var tenantID string
var disk int
if tid, ok := re["metric"].(map[string]interface{}); ok {
tenantID = tid["tenant_id"].(string)
}
if re, ok := (re["value"]).([]interface{}); ok && len(re) == 2 {
disk, _ = strconv.Atoi(re[1].(string))
}
if _, ok := result[tenantID]; ok {
result[tenantID]["disk"] = disk / 1024
}
}
}
}
return result, nil
}
//TenantResourceStats tenant resource stats
type TenantResourceStats struct {
TenantID string `json:"tenant_id,omitempty"`
CPURequest int64 `json:"cpu_request,omitempty"`
CPULimit int64 `json:"cpu_limit,omitempty"`
MemoryRequest int64 `json:"memory_request,omitempty"`
MemoryLimit int64 `json:"memory_limit,omitempty"`
RunningAppNum int64 `json:"running_app_num"`
}
//GetTenantResource get tenant resource
func (t *TenantAction) GetTenantResource(tenantID string) (ts TenantResourceStats, err error) {
tr, err := t.statusCli.GetTenantResource(tenantID)
if err != nil {
return ts, err
}
ts.TenantID = tenantID
ts.CPULimit = tr.CpuLimit
ts.CPURequest = tr.CpuRequest
ts.MemoryLimit = tr.MemoryLimit
ts.MemoryRequest = tr.MemoryRequest
ts.RunningAppNum = tr.RunningAppNum
return
}
//ClusterResourceStats cluster resource stats
type ClusterResourceStats struct {
AllCPU int64
AllMemory int64
RequestCPU int64
RequestMemory int64
}
// GetAllocatableResources returns allocatable cpu and memory (MB)
func (t *TenantAction) GetAllocatableResources() (*ClusterResourceStats, error) {
var crs ClusterResourceStats
nproxy := GetNodeProxy()
req, err := http.NewRequest("GET", fmt.Sprintf("http://%s/v2/nodes/rule/compute",
t.OptCfg.NodeAPI), nil)
if err != nil {
return &crs, fmt.Errorf("error creating http request: %v", err)
}
resp, err := nproxy.Do(req)
if err != nil {
return &crs, fmt.Errorf("error getting cluster resources: %v", err)
}
if resp.Body != nil {
defer resp.Body.Close()
if resp.StatusCode != 200 {
return &crs, fmt.Errorf("error getting cluster resources: status code: %d; "+
"response: %v", resp.StatusCode, resp)
}
type foo struct {
List []*cli.HostNode `json:"list"`
}
var f foo
err = json.NewDecoder(resp.Body).Decode(&f)
if err != nil {
return &crs, fmt.Errorf("error decoding response body: %v", err)
}
for _, n := range f.List {
if k := n.NodeStatus.KubeNode; k != nil && !k.Spec.Unschedulable {
s := strings.Replace(k.Status.Allocatable.Cpu().String(), "m", "", -1)
i, err := strconv.ParseInt(s, 10, 64)
if err != nil {
return &crs, fmt.Errorf("error converting string to int64: %v", err)
}
crs.AllCPU += i
crs.AllMemory += k.Status.Allocatable.Memory().Value() / (1024 * 1024)
}
}
}
ts, _ := t.statusCli.GetTenantResource("")
crs.RequestCPU = ts.CpuRequest
crs.RequestMemory = ts.MemoryRequest
return &crs, nil
}
//GetServicesResources Gets the resource usage of the specified service.
func (t *TenantAction) GetServicesResources(tr *api_model.ServicesResources) (re map[string]map[string]interface{}, err error) {
status := t.statusCli.GetStatuss(strings.Join(tr.Body.ServiceIDs, ","))
var running, closed []string
for k, v := range status {
if !t.statusCli.IsClosedStatus(v) {
running = append(running, k)
} else {
closed = append(closed, k)
}
}
resmp, err := db.GetManager().TenantServiceDao().GetServiceMemoryByServiceIDs(running)
if err != nil {
return nil, err
}
for _, c := range closed {
resmp[c] = map[string]interface{}{"memory": 0, "cpu": 0}
}
re = resmp
disks := GetServicesDisk(tr.Body.ServiceIDs, GetPrometheusProxy())
for serviceID, disk := range disks {
if _, ok := resmp[serviceID]; ok {
resmp[serviceID]["disk"] = disk / 1024
} else {
resmp[serviceID] = make(map[string]interface{})
resmp[serviceID]["disk"] = disk / 1024
}
}
return resmp, nil
}
//TenantsSum TenantsSum
func (t *TenantAction) TenantsSum() (int, error) {
s, err := db.GetManager().TenantDao().GetALLTenants()
if err != nil {
return 0, err
}
return len(s), nil
}
//GetProtocols GetProtocols
func (t *TenantAction) GetProtocols() ([]*dbmodel.RegionProcotols, *util.APIHandleError) {
rps, err := db.GetManager().RegionProcotolsDao().GetAllSupportProtocol("v2")
if err != nil {
return nil, util.CreateAPIHandleErrorFromDBError("get all support protocols", err)
}
return rps, nil
}
//TransPlugins TransPlugins
func (t *TenantAction) TransPlugins(tenantID, tenantName, fromTenant string, pluginList []string) *util.APIHandleError {
tenantInfo, err := db.GetManager().TenantDao().GetTenantIDByName(fromTenant)
if err != nil {
return util.CreateAPIHandleErrorFromDBError("get tenant infos", err)
}
goodrainID := tenantInfo.UUID
tx := db.GetManager().Begin()
for _, p := range pluginList {
pluginInfo, err := db.GetManager().TenantPluginDao().GetPluginByID(p, goodrainID)
if err != nil {
tx.Rollback()
return util.CreateAPIHandleErrorFromDBError("get plugin infos", err)
}
pluginInfo.TenantID = tenantID
pluginInfo.Domain = tenantName
pluginInfo.ID = 0
err = db.GetManager().TenantPluginDaoTransactions(tx).AddModel(pluginInfo)
if err != nil {
if !strings.Contains(err.Error(), "is exist") {
tx.Rollback()
return util.CreateAPIHandleErrorFromDBError("add plugin Info", err)
}
}
}
if err := tx.Commit().Error; err != nil {
return util.CreateAPIHandleErrorFromDBError("trans plugins infos", err)
}
return nil
}
// GetServicesStatus returns a list of service status matching ids.
func (t *TenantAction) GetServicesStatus(ids string) map[string]string {
return t.statusCli.GetStatuss(ids)
}
//IsClosedStatus checks if the status is closed status.
func (t *TenantAction) IsClosedStatus(status string) bool {
return t.statusCli.IsClosedStatus(status)
}