/
pod.go
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/
pod.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 appm
import (
"fmt"
"os"
"regexp"
"strconv"
"strings"
"github.com/goodrain/rainbond/db"
"github.com/goodrain/rainbond/db/model"
"github.com/goodrain/rainbond/event"
"github.com/goodrain/rainbond/util"
"github.com/Sirupsen/logrus"
"k8s.io/apimachinery/pkg/api/resource"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/util/intstr"
"k8s.io/client-go/pkg/api/v1"
)
//PodTemplateSpecBuild pod build
type PodTemplateSpecBuild struct {
serviceID, eventID string
needProxy bool
hostName string
service *model.TenantServices
tenant *model.Tenants
pluginsRelation []*model.TenantServicePluginRelation
dbmanager db.Manager
logger event.Logger
localScheduler bool
volumeMount map[string]string
NodeAPI string
}
//PodTemplateSpecBuilder pod builder
func PodTemplateSpecBuilder(serviceID string, logger event.Logger, nodeAPI string) (*PodTemplateSpecBuild, error) {
dbmanager := db.GetManager()
service, err := dbmanager.TenantServiceDao().GetServiceByID(serviceID)
if err != nil {
return nil, fmt.Errorf("find service error. %v", err.Error())
}
tenant, err := dbmanager.TenantDao().GetTenantByUUID(service.TenantID)
if err != nil {
return nil, fmt.Errorf("find tenant error. %v", err.Error())
}
pluginRelations, err := dbmanager.TenantServicePluginRelationDao().GetALLRelationByServiceID(serviceID)
if err != nil {
return nil, fmt.Errorf("find plugins error. %v", err.Error())
}
return &PodTemplateSpecBuild{
serviceID: serviceID,
eventID: logger.Event(),
dbmanager: dbmanager,
pluginsRelation: pluginRelations,
service: service,
tenant: tenant,
logger: logger,
volumeMount: make(map[string]string),
NodeAPI: nodeAPI,
}, nil
}
//GetTenant get tenant
func (p *PodTemplateSpecBuild) GetTenant() *model.Tenants {
return p.tenant
}
//GetService get service
func (p *PodTemplateSpecBuild) GetService() *model.TenantServices {
return p.service
}
//Build 通过service 构建pod template
func (p *PodTemplateSpecBuild) Build() (*v1.PodTemplateSpec, error) {
//step1:构建环境变量定义
envs, err := p.createEnv()
if err != nil {
return nil, fmt.Errorf("create envs in pod template error :%v", err.Error())
}
//step2:构建挂载定义
volumes, volumeMounts, err := p.createVolumes(envs)
if err != nil {
return nil, fmt.Errorf("create volume in pod template error :%v", err.Error())
}
//step3.0:构建initContainer
initContainers, plugincontainers, err := p.createPluginsContainer(volumeMounts, envs)
if err != nil {
return nil, fmt.Errorf("create plugin container error. %v", err.Error())
}
//step3.1:构建容器定义
containers := p.createContainer(volumeMounts, envs)
if len(plugincontainers) != 0 {
for _, plugin := range plugincontainers {
containers = append(containers, plugin)
}
}
//step4:Node selector
nodeSelector := p.createNodeSelector()
//step5:pod 亲和性
podSpec := v1.PodSpec{
Volumes: volumes,
Containers: containers,
NodeSelector: nodeSelector,
Affinity: p.createAffinity(),
}
if len(initContainers) != 0 {
podSpec.InitContainers = initContainers
}
//step6:构建pod label
labels := map[string]string{
"name": p.service.ServiceAlias,
"version": p.service.DeployVersion,
"tenant_name": p.tenant.Name,
"event_id": p.eventID,
}
//step7:插件启动排序
pid, err := p.sortPlugins()
if err != nil {
return nil, fmt.Errorf("sort plugin errro. %v", err.Error())
}
for k, v := range pid {
labels[fmt.Sprintf("f%d", k)] = v
}
//设置为本地调度,调度器会识别此label
//只要statefulset应用支持本地调度
if p.localScheduler {
serviceType, err := p.dbmanager.TenantServiceLabelDao().GetTenantServiceTypeLabel(p.serviceID)
if err != nil {
return nil, fmt.Errorf("get service type error.don't support local scheduler")
}
if serviceType.LabelValue == util.StatefulServiceType {
labels["local-scheduler"] = "true"
ls, err := p.dbmanager.LocalSchedulerDao().GetLocalScheduler(p.serviceID)
if err != nil {
logrus.Error("get local scheduler info error.", err.Error())
return nil, err
}
if ls != nil {
for _, l := range ls {
labels["scheduler-"+l.PodName] = l.NodeIP
}
}
}
}
outPorts, err := p.dbmanager.TenantServicesPortDao().GetOuterPorts(p.serviceID)
if err != nil {
return nil, fmt.Errorf("find outer ports error. %v", err.Error())
}
if outPorts != nil && len(outPorts) > 0 {
crt, err := p.checkUpstreamPluginRelation()
if err != nil {
return nil, fmt.Errorf("get service upstream plugin relation error, %s", err.Error())
}
if crt {
pluginPorts, err := p.dbmanager.TenantServicesStreamPluginPortDao().GetPluginMappingPorts(
p.serviceID,
model.UpNetPlugin,
)
if err != nil {
return nil, fmt.Errorf("find upstream plugin mapping port error, %s", err.Error())
}
outPorts, err = p.CreateUpstreamPluginMappingPort(outPorts, pluginPorts)
}
labels["service_type"] = "outer"
var pStr string
for _, p := range outPorts {
if pStr != "" {
pStr += "-.-"
}
pStr += fmt.Sprintf("%d_._%s", p.ContainerPort, p.Protocol)
}
labels["protocols"] = pStr
}
//step7: set hostname
if p.hostName != "" {
logrus.Infof("set pod name is %s", p.hostName)
podSpec.Hostname = p.hostName
}
//step8: 构建PodTemplateSpec
temp := v1.PodTemplateSpec{
Spec: podSpec,
}
temp.Annotations = p.createPodAnnotations()
temp.Labels = labels
return &temp, nil
}
//createPodAnnotations create pod annotation
func (p *PodTemplateSpecBuild) createPodAnnotations() map[string]string {
var annotations = make(map[string]string)
if p.service.Replicas <= 1 {
annotations["rainbond.com/tolerate-unready-endpoints"] = "true"
}
return annotations
}
//TODO:
//节点亲和性 应用亲和性
func (p *PodTemplateSpecBuild) createAffinity() *v1.Affinity {
var affinity v1.Affinity
labels, err := p.dbmanager.TenantServiceLabelDao().GetTenantServiceAffinityLabel(p.serviceID)
if err == nil && labels != nil && len(labels) > 0 {
nsr := make([]v1.NodeSelectorRequirement, 0)
podAffinity := make([]v1.PodAffinityTerm, 0)
podAntAffinity := make([]v1.PodAffinityTerm, 0)
for _, l := range labels {
if l.LabelKey == model.LabelKeyNodeAffinity {
nsr = append(nsr, v1.NodeSelectorRequirement{
Key: l.LabelKey,
Operator: v1.NodeSelectorOpIn,
Values: []string{l.LabelValue},
})
}
if l.LabelKey == model.LabelKeyServiceAffinity {
podAffinity = append(podAffinity, v1.PodAffinityTerm{
LabelSelector: metav1.SetAsLabelSelector(map[string]string{
"name": l.LabelValue,
}),
})
}
if l.LabelKey == model.LabelKeyServiceAntyAffinity {
podAntAffinity = append(
podAntAffinity, v1.PodAffinityTerm{
LabelSelector: metav1.SetAsLabelSelector(map[string]string{
"name": l.LabelValue,
}),
})
}
}
affinity.NodeAffinity = &v1.NodeAffinity{
RequiredDuringSchedulingIgnoredDuringExecution: &v1.NodeSelector{
NodeSelectorTerms: []v1.NodeSelectorTerm{
v1.NodeSelectorTerm{MatchExpressions: nsr},
},
},
}
affinity.PodAffinity = &v1.PodAffinity{
RequiredDuringSchedulingIgnoredDuringExecution: podAffinity,
}
affinity.PodAntiAffinity = &v1.PodAntiAffinity{
RequiredDuringSchedulingIgnoredDuringExecution: podAntAffinity,
}
}
return &affinity
}
func (p *PodTemplateSpecBuild) createNodeSelector() map[string]string {
selector := make(map[string]string)
labels, err := p.dbmanager.TenantServiceLabelDao().GetTenantServiceNodeSelectorLabel(p.serviceID)
if err == nil && labels != nil && len(labels) > 0 {
for _, l := range labels {
//应用机器选择标签的值作为机器标签的key,值都使用node
selector[l.LabelValue] = model.LabelKeyNodeSelector
}
}
return selector
}
func (p *PodTemplateSpecBuild) checkUpstreamPluginRelation() (bool, error) {
return p.dbmanager.TenantServicePluginRelationDao().CheckSomeModelPluginByServiceID(
p.serviceID,
model.UpNetPlugin)
}
//CreateUpstreamPluginMappingPort 检查是否存在upstream插件,接管入口网络
func (p *PodTemplateSpecBuild) CreateUpstreamPluginMappingPort(
ports []*model.TenantServicesPort,
pluginPorts []*model.TenantServicesStreamPluginPort,
) (
[]*model.TenantServicesPort,
error) {
//start from 65301
for i := range ports {
port := ports[i]
for _, pport := range pluginPorts {
if pport.ContainerPort == port.ContainerPort {
port.ContainerPort = pport.PluginPort
port.MappingPort = pport.PluginPort
}
}
}
return ports, nil
}
func (p *PodTemplateSpecBuild) createContainer(volumeMounts []v1.VolumeMount, envs *[]v1.EnvVar) []v1.Container {
var containers []v1.Container
//create app container
var containerName string
for _, e := range *envs {
if e.Name == "CONTAINERNAME" {
if e.Value != "" {
containerName = e.Value
}
break
}
}
if containerName == "" {
containerName = p.serviceID
}
c1 := v1.Container{
Name: containerName,
Image: p.service.ImageName,
Env: *envs,
Ports: p.createPorts(),
Resources: p.createResources(),
TerminationMessagePath: "",
ReadinessProbe: p.createProbe("readiness"),
LivenessProbe: p.createProbe("liveness"),
VolumeMounts: volumeMounts,
Args: p.createArgs(*envs),
}
containers = append(containers, c1)
return containers
}
func (p *PodTemplateSpecBuild) createArgs(envs []v1.EnvVar) (args []string) {
if p.service.ContainerCMD == "" {
return
}
cmd := p.service.ContainerCMD
var reg = regexp.MustCompile(`(?U)\$\{.*\}`)
resultKey := reg.FindAllString(cmd, -1)
for _, rk := range resultKey {
value := getenv(GetConfigKey(rk), envs)
cmd = strings.Replace(cmd, rk, value, -1)
}
args = strings.Split(cmd, " ")
args = util.RemoveSpaces(args)
return args
}
//GetConfigKey 获取配置key
func GetConfigKey(rk string) string {
if len(rk) < 4 {
return ""
}
left := strings.Index(rk, "{")
right := strings.Index(rk, "}")
return rk[left+1 : right]
}
func getenv(key string, envs []v1.EnvVar) string {
for _, env := range envs {
if env.Name == key {
return env.Value
}
}
return ""
}
func (p *PodTemplateSpecBuild) createProbe(mode string) *v1.Probe {
//TODO:应用创建时如果有开端口,创建默认探针
probe, err := p.dbmanager.ServiceProbeDao().GetServiceUsedProbe(p.serviceID, mode)
if err == nil && probe != nil {
if mode == "liveness" && probe.SuccessThreshold < 1 {
probe.SuccessThreshold = 1
}
if mode == "readiness" && probe.FailureThreshold < 1 {
probe.FailureThreshold = 3
}
p := &v1.Probe{
FailureThreshold: int32(probe.FailureThreshold),
SuccessThreshold: int32(probe.SuccessThreshold),
InitialDelaySeconds: int32(probe.InitialDelaySecond),
TimeoutSeconds: int32(probe.TimeoutSecond),
PeriodSeconds: int32(probe.PeriodSecond),
}
if probe.Scheme == "tcp" {
tcp := &v1.TCPSocketAction{
Port: intstr.FromInt(probe.Port),
}
p.TCPSocket = tcp
return p
} else if probe.Scheme == "http" {
action := v1.HTTPGetAction{Path: probe.Path, Port: intstr.FromInt(probe.Port)}
if probe.HTTPHeader != "" {
hds := strings.Split(probe.HTTPHeader, ",")
var headers []v1.HTTPHeader
for _, hd := range hds {
kv := strings.Split(hd, "=")
if len(kv) == 1 {
header := v1.HTTPHeader{
Name: kv[0],
Value: "",
}
headers = append(headers, header)
} else if len(kv) == 2 {
header := v1.HTTPHeader{
Name: kv[0],
Value: kv[1],
}
headers = append(headers, header)
}
}
action.HTTPHeaders = headers
}
p.HTTPGet = &action
return p
}
return nil
}
if err != nil {
logrus.Error("query probe error:", err.Error())
}
//TODO:使用默认探针
return nil
}
//createAdapterResources
//memory Mb
//cpu (core*1000)
//TODO:内存暂时不限制
func (p *PodTemplateSpecBuild) createAdapterResources(memory int, cpu int) v1.ResourceRequirements {
limits := v1.ResourceList{}
limits[v1.ResourceCPU] = *resource.NewMilliQuantity(
int64(cpu*3),
resource.DecimalSI)
//limits[v1.ResourceMemory] = *resource.NewQuantity(
// int64(memory*1024*1024),
// resource.BinarySI)
request := v1.ResourceList{}
request[v1.ResourceCPU] = *resource.NewMilliQuantity(
int64(cpu*2),
resource.DecimalSI)
//request[v1.ResourceMemory] = *resource.NewQuantity(
// int64(memory*1024*1024),
// resource.BinarySI)
return v1.ResourceRequirements{
Limits: limits,
Requests: request,
}
}
//createPluginResources
//memory Mb
//cpu (core*1000)
//TODO:插件的资源限制,CPU暂时不限制
func (p *PodTemplateSpecBuild) createPluginResources(memory int, cpu int) v1.ResourceRequirements {
limits := v1.ResourceList{}
// limits[v1.ResourceCPU] = *resource.NewMilliQuantity(
// int64(cpu*3),
// resource.DecimalSI)
limits[v1.ResourceMemory] = *resource.NewQuantity(
int64(memory*1024*1024),
resource.BinarySI)
request := v1.ResourceList{}
// request[v1.ResourceCPU] = *resource.NewMilliQuantity(
// int64(cpu*2),
// resource.DecimalSI)
request[v1.ResourceMemory] = *resource.NewQuantity(
int64(memory*1024*1024),
resource.BinarySI)
return v1.ResourceRequirements{
Limits: limits,
Requests: request,
}
}
func (p *PodTemplateSpecBuild) createResources() v1.ResourceRequirements {
var cpuRequest, cpuLimit int64
memory := p.service.ContainerMemory
if memory < 512 {
cpuRequest, cpuLimit = int64(memory)/128*30, int64(memory)/128*80
} else if memory <= 1024 {
cpuRequest, cpuLimit = int64(memory)/128*30, int64(memory)/128*160
} else {
cpuRequest, cpuLimit = int64(memory)/128*30, ((int64(memory)-1024)/1024*500 + 1280)
}
limits := v1.ResourceList{}
limits[v1.ResourceCPU] = *resource.NewMilliQuantity(
cpuLimit,
resource.DecimalSI)
limits[v1.ResourceMemory] = *resource.NewQuantity(
int64(p.service.ContainerMemory*1024*1024),
resource.BinarySI)
request := v1.ResourceList{}
request[v1.ResourceCPU] = *resource.NewMilliQuantity(
cpuRequest,
resource.DecimalSI)
request[v1.ResourceMemory] = *resource.NewQuantity(
int64(p.service.ContainerMemory*1024*1024),
resource.BinarySI)
return v1.ResourceRequirements{
Limits: limits,
Requests: request,
}
}
func (p *PodTemplateSpecBuild) createPorts() (ports []v1.ContainerPort) {
ps, err := p.dbmanager.TenantServicesPortDao().GetPortsByServiceID(p.serviceID)
if err == nil && ps != nil && len(ps) > 0 {
crt, err := p.checkUpstreamPluginRelation()
if err != nil {
//return nil, fmt.Errorf("get service upstream plugin relation error, %s", err.Error())
return
}
if crt {
pluginPorts, err := p.dbmanager.TenantServicesStreamPluginPortDao().GetPluginMappingPorts(
p.serviceID,
model.UpNetPlugin,
)
if err != nil {
//return nil, fmt.Errorf("find upstream plugin mapping port error, %s", err.Error())
return
}
ps, err = p.CreateUpstreamPluginMappingPort(ps, pluginPorts)
}
for i := range ps {
p := ps[i]
var hostPort int32
if p.IsOuterService && os.Getenv("CUR_NET") == "midonet" {
hostPort = 1
}
ports = append(ports, v1.ContainerPort{
HostPort: hostPort,
ContainerPort: int32(p.ContainerPort),
})
}
}
return
}
func (p *PodTemplateSpecBuild) createVolumes(envs *[]v1.EnvVar) ([]v1.Volume, []v1.VolumeMount, error) {
var volumes []v1.Volume
var volumeMounts []v1.VolumeMount
//应用自定义挂载
vs, err := p.dbmanager.TenantServiceVolumeDao().GetTenantServiceVolumesByServiceID(p.serviceID)
if err != nil {
return nil, nil, err
}
if vs != nil && len(vs) > 0 {
for i := range vs {
v := vs[i]
if v.VolumeType != model.MemoryFSVolumeType.String() {
err := util.CheckAndCreateDir(v.HostPath)
if err != nil {
return nil, nil, fmt.Errorf("create host path %s error,%s", v.HostPath, err.Error())
}
os.Chmod(v.HostPath, 0777)
}
//应用含有本地存储,设置调度类型为本地调度
if v.VolumeType == model.LocalVolumeType.String() {
p.localScheduler = true
}
p.createVolumeObj(model.VolumeType(v.VolumeType), fmt.Sprintf("manual%d", v.ID), v.VolumePath, v.HostPath, v.IsReadOnly, &volumeMounts, &volumes)
}
}
//应用本身定义挂载 TODO:确定本身挂载是否一定生效在自定义挂载有数据的情况下
if p.service.VolumeMountPath != "" && p.service.VolumePath != "" {
err := util.CheckAndCreateDir(p.service.HostPath)
if err != nil {
return nil, nil, fmt.Errorf("create host path %s error,%s", p.service.HostPath, err.Error())
}
os.Chmod(p.service.HostPath, 0777)
p.createVolumeObj(model.VolumeType(p.service.VolumeType), p.service.VolumePath, p.service.VolumeMountPath, p.service.HostPath, false, &volumeMounts, &volumes)
}
//依赖挂载
tsmr, err := p.dbmanager.TenantServiceMountRelationDao().GetTenantServiceMountRelationsByService(p.serviceID)
if err != nil {
return nil, nil, err
}
if vs != nil && len(tsmr) > 0 {
for i := range tsmr {
t := tsmr[i]
err := util.CheckAndCreateDir(t.HostPath)
if err != nil {
return nil, nil, fmt.Errorf("create host path %s error,%s", t.HostPath, err.Error())
}
p.createVolumeObj(model.ShareFileVolumeType, fmt.Sprintf("mnt%d", t.ID), t.VolumePath, t.HostPath, false, &volumeMounts, &volumes)
}
}
//处理slug挂载
if strings.HasPrefix(p.service.ImageName, "goodrain.me/runner") {
var slugPath string
for _, e := range *envs {
if e.Name == "SLUG_PATH" {
slugPath = e.Value
break
}
}
if slugPath != "" {
slugPath = "/grdata/build/tenant/" + slugPath
} else {
slugPath = fmt.Sprintf("/grdata/build/tenant/%s/slug/%s/%s.tgz", p.service.TenantID, p.service.ServiceID, p.service.DeployVersion)
versionInfo, err := p.dbmanager.VersionInfoDao().GetVersionByDeployVersion(p.service.DeployVersion, p.serviceID)
if err != nil {
logrus.Warnf("error get slug path from versioninfo table by key %s,prepare use path", p.service.DeployVersion)
} else {
if len(versionInfo.DeliveredPath) != 0 {
slugPath = versionInfo.DeliveredPath
}
}
}
p.createVolumeObj(model.ShareFileVolumeType, "slug", "/tmp/slug/slug.tgz", slugPath, true, &volumeMounts, &volumes)
}
//有依赖的服务需要启动grproxy,挂载kubeconfig
if p.needProxy {
p.createVolumeObj(model.ShareFileVolumeType, "kube-config", "/etc/kubernetes", "/grdata/kubernetes", true, nil, &volumes)
}
return volumes, volumeMounts, nil
}
func (p *PodTemplateSpecBuild) createVolumeObj(VolumeType model.VolumeType, name, mountPath, hostPath string, readOnly bool, volumeMounts *[]v1.VolumeMount, volumes *[]v1.Volume) {
//Ensure mount directory is unique.
if _, ok := p.volumeMount[mountPath]; ok {
return
}
p.volumeMount[mountPath] = mountPath
if volumeMounts != nil {
vm := v1.VolumeMount{
MountPath: mountPath,
Name: name,
ReadOnly: readOnly,
SubPath: "",
}
*volumeMounts = append(*volumeMounts, vm)
}
if VolumeType != model.MemoryFSVolumeType {
vo := v1.Volume{
Name: name,
}
vo.HostPath = &v1.HostPathVolumeSource{
Path: hostPath,
}
*volumes = append(*volumes, vo)
} else {
vo := v1.Volume{Name: name}
vo.EmptyDir = &v1.EmptyDirVolumeSource{
Medium: v1.StorageMediumMemory,
}
*volumes = append(*volumes, vo)
}
//TODO:handle other volume type
}
//createEnv create app env
func (p *PodTemplateSpecBuild) createEnv() (*[]v1.EnvVar, error) {
var envs []v1.EnvVar
//set app history env
if p.service.ContainerEnv != "" {
vs := strings.Split(p.service.ContainerEnv, ",")
for _, s := range vs {
kv := strings.Split(s, "=")
if len(kv) == 2 {
envs = append(envs, v1.EnvVar{
Name: kv[0],
Value: kv[1],
})
}
}
}
//set default env
envs = append(envs, v1.EnvVar{Name: "TENANT_ID", Value: p.service.TenantID})
envs = append(envs, v1.EnvVar{Name: "SERVICE_ID", Value: p.service.ServiceID})
envs = append(envs, v1.EnvVar{Name: "SERVICE_VERSION", Value: p.service.ServiceVersion})
envs = append(envs, v1.EnvVar{Name: "MEMORY_SIZE", Value: p.getMemoryType()})
envs = append(envs, v1.EnvVar{Name: "SERVICE_NAME", Value: p.service.ServiceAlias})
envs = append(envs, v1.EnvVar{Name: "SERVICE_EXTEND_METHOD", Value: p.service.ExtendMethod})
envs = append(envs, v1.EnvVar{Name: "SERVICE_POD_NUM", Value: fmt.Sprintf("%d", p.service.Replicas)})
envs = append(envs, v1.EnvVar{Name: "EVENT_ID", Value: p.eventID})
var envsAll []*model.TenantServiceEnvVar
//set relation app outer env
relations, err := p.dbmanager.TenantServiceRelationDao().GetTenantServiceRelations(p.serviceID)
if err != nil {
return nil, err
}
if relations != nil && len(relations) > 0 {
var relationIDs []string
for _, r := range relations {
relationIDs = append(relationIDs, r.DependServiceID)
}
if len(relationIDs) > 0 {
es, err := p.dbmanager.TenantServiceEnvVarDao().GetDependServiceEnvs(relationIDs, []string{"outer", "both"})
if err != nil {
return nil, err
}
if es != nil {
envsAll = append(envsAll, es...)
}
serviceAliass, err := p.dbmanager.TenantServiceDao().GetServiceAliasByIDs(relationIDs)
if err != nil {
return nil, err
}
var Depend string
for _, sa := range serviceAliass {
if Depend != "" {
Depend += ","
}
Depend += fmt.Sprintf("%s:%s", sa.ServiceAlias, sa.ServiceID)
}
envs = append(envs, v1.EnvVar{Name: "DEPEND_SERVICE", Value: Depend})
p.needProxy = true
}
}
//set app relation env
relations, err = p.dbmanager.TenantServiceRelationDao().GetTenantServiceRelationsByDependServiceID(p.serviceID)
if err != nil {
return nil, err
}
if relations != nil && len(relations) > 0 {
var relationIDs []string
for _, r := range relations {
relationIDs = append(relationIDs, r.ServiceID)
}
if len(relationIDs) > 0 {
serviceAliass, err := p.dbmanager.TenantServiceDao().GetServiceAliasByIDs(relationIDs)
if err != nil {
return nil, err
}
var Depend string
for _, sa := range serviceAliass {
if Depend != "" {
Depend += ","
}
Depend += fmt.Sprintf("%s:%s", sa.ServiceAlias, sa.ServiceID)
}
envs = append(envs, v1.EnvVar{Name: "REVERSE_DEPEND_SERVICE", Value: Depend})
}
}
//set app port and net env
ports, err := p.dbmanager.TenantServicesPortDao().GetPortsByServiceID(p.serviceID)
if err != nil {
return nil, err
}
if ports != nil && len(ports) > 0 {
var portStr string
for i, port := range ports {
if i == 0 {
envs = append(envs, v1.EnvVar{Name: "PORT", Value: strconv.Itoa(ports[0].ContainerPort)})
}
if portStr != "" {
portStr += ":"
}
portStr += fmt.Sprintf("%d", port.ContainerPort)
if port.IsOuterService && (port.Protocol == "http" || port.Protocol == "https") {
envs = append(envs, v1.EnvVar{Name: "DEFAULT_DOMAIN", Value: p.service.Autodomain(p.tenant.Name, port.ContainerPort)})
}
}
envs = append(envs, v1.EnvVar{Name: "MONITOR_PORT", Value: portStr})
}
//set net mode env by get from system
envs = append(envs, v1.EnvVar{Name: "CUR_NET", Value: os.Getenv("CUR_NET")})
//set app custom envs
es, err := p.dbmanager.TenantServiceEnvVarDao().GetServiceEnvs(p.serviceID, []string{"inner", "both", "outer"})
if err != nil {
return nil, err
}
if len(es) > 0 {
envsAll = append(envsAll, es...)
}
for _, e := range envsAll {
if e.AttrName == "HOSTNAME" {
p.hostName = e.AttrValue
}
envs = append(envs, v1.EnvVar{Name: e.AttrName, Value: e.AttrValue})
}
return &envs, nil
}
func (p *PodTemplateSpecBuild) createPluginsContainer(volumeMounts []v1.VolumeMount, mainEnvs *[]v1.EnvVar) ([]v1.Container, []v1.Container, error) {
var containers []v1.Container
var initContainers []v1.Container
if len(p.pluginsRelation) == 0 && !p.needProxy {
return nil, containers, nil
}
netPlugin := false
for _, pluginR := range p.pluginsRelation {
//if plugin not enable,ignore it
if pluginR.Switch == false {
continue
}
versionInfo, err := p.dbmanager.TenantPluginBuildVersionDao().GetLastBuildVersionByVersionID(pluginR.PluginID, pluginR.VersionID)
if err != nil {
return nil, nil, err
}
envs, err := p.createPluginEnvs(pluginR.PluginID, mainEnvs, pluginR.VersionID)
if err != nil {
return nil, nil, err
}
args, err := p.createPluginArgs(versionInfo.ContainerCMD)
if err != nil {
return nil, nil, err
}
pc := v1.Container{
Name: "plugin-" + pluginR.PluginID,
Image: versionInfo.BuildLocalImage,
Env: *envs,
Resources: p.createPluginResources(pluginR.ContainerMemory, pluginR.ContainerCPU),
TerminationMessagePath: "",
Args: args,
VolumeMounts: volumeMounts,
}
pluginModel, err := p.getPluginModel(pluginR.PluginID)
if err != nil {
return nil, nil, err
}
if pluginModel == model.InitPlugin {
initContainers = append(initContainers, pc)
continue
}
if pluginModel == model.DownNetPlugin {
netPlugin = true
}
containers = append(containers, pc)
}
//if need proxy but not install net plugin
if p.needProxy && !netPlugin {
c2 := v1.Container{
Name: "adapter-" + p.serviceID[len(p.serviceID)-20:],
VolumeMounts: []v1.VolumeMount{v1.VolumeMount{
MountPath: "/etc/kubernetes",
Name: "kube-config",
ReadOnly: true,
}},
TerminationMessagePath: "",
Env: *mainEnvs,
Image: "goodrain.me/adapter",
Resources: p.createAdapterResources(50, 20),
}
containers = append(containers, c2)
}
return initContainers, containers, nil
}
func (p *PodTemplateSpecBuild) getPluginModel(pluginID string) (string, error) {
plugin, err := p.dbmanager.TenantPluginDao().GetPluginByID(pluginID, p.tenant.UUID)
if err != nil {
return "", err
}
return plugin.PluginModel, nil
}
func (p *PodTemplateSpecBuild) createPluginArgs(cmd string) ([]string, error) {
if cmd == "" {
return nil, nil
}
return strings.Split(cmd, " "), nil
}
//container envs
func (p *PodTemplateSpecBuild) createPluginEnvs(pluginID string, mainEnvs *[]v1.EnvVar, versionID string) (*[]v1.EnvVar, error) {
versionEnvs, err := p.dbmanager.TenantPluginVersionENVDao().GetVersionEnvByServiceID(p.serviceID, pluginID)
if err != nil {
return nil, err
}
var envs []v1.EnvVar
for _, e := range versionEnvs {
envs = append(envs, v1.EnvVar{Name: e.EnvName, Value: e.EnvValue})
}
for _, pluginRelation := range p.pluginsRelation {
if strings.Contains(pluginRelation.PluginModel, "net-plugin") {
envs = append(envs, v1.EnvVar{Name: "PLUGIN_MOEL", Value: pluginRelation.PluginModel})
}
}
discoverURL := fmt.Sprintf(
"%s/v1/resources/%s/%s/%s",
p.NodeAPI,
p.tenant.UUID,
p.service.ServiceAlias,
pluginID)
envs = append(envs, v1.EnvVar{Name: "DISCOVER_URL", Value: discoverURL})
envs = append(envs, v1.EnvVar{Name: "PLUGIN_ID", Value: pluginID})
for _, e := range *mainEnvs {
envs = append(envs, e)
}
//TODO: 在哪些情况下需要注入主容器的环境变量
logrus.Debugf("plugin env is %v", envs)
return &envs, nil
}
func (p *PodTemplateSpecBuild) sortPlugins() ([]string, error) {
var pid []string
var mid []int
//one app could have one plugin of same mode
for _, plugin := range p.pluginsRelation {
pi, err := p.dbmanager.TenantPluginDao().GetPluginByID(plugin.PluginID, p.tenant.UUID)
if err != nil {
return nil, err
}
pid = append(pid, plugin.PluginID)
mid = append(mid, p.pluginWeight(pi.PluginModel))
}
for i := 0; i < len(p.pluginsRelation); i++ {
for j := i + 1; j < len(p.pluginsRelation); j++ {
if mid[i] < mid[j] {
tmpM := mid[i]
mid[i] = mid[j]
mid[j] = tmpM
tmpP := pid[i]
pid[i] = pid[j]
pid[j] = tmpP
}
}
}
return pid, nil
}
func (p *PodTemplateSpecBuild) pluginWeight(pluginModel string) int {
switch pluginModel {
case model.UpNetPlugin:
return 9
case model.DownNetPlugin:
return 8
case model.GeneralPlugin:
return 1
default:
return 0
}
}
var memoryLabels = map[int]string{
128: "micro",
256: "small",
512: "medium",
1024: "large",
2048: "2xlarge",
4096: "4xlarge",
8192: "8xlarge",
16384: "16xlarge",
32768: "32xlarge",
65536: "64xlarge",
}
func (p *PodTemplateSpecBuild) getMemoryType() string {
memorySize := p.service.ContainerMemory
memoryType := "small"
if v, ok := memoryLabels[memorySize]; ok {
memoryType = v
}
return memoryType
}