Rainbond/worker/appm/volume/volume.go

507 lines
15 KiB
Go

// RAINBOND, Application Management Platform
// Copyright (C) 2014-2017 Goodrain Co., Ltd.
// 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 volume
import (
"fmt"
"os"
"path"
"sort"
"strconv"
"strings"
"github.com/Sirupsen/logrus"
"github.com/goodrain/rainbond/db"
"github.com/goodrain/rainbond/db/model"
dbmodel "github.com/goodrain/rainbond/db/model"
"github.com/goodrain/rainbond/util"
v1 "github.com/goodrain/rainbond/worker/appm/types/v1"
corev1 "k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/api/resource"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
)
// Volume volume function interface
type Volume interface {
CreateVolume(define *Define) error // use serviceVolume
CreateDependVolume(define *Define) error // use serviceMountR
setBaseInfo(as *v1.AppService, serviceVolume *model.TenantServiceVolume, serviceMountR *model.TenantServiceMountRelation, version *dbmodel.VersionInfo, dbmanager db.Manager)
}
// NewVolumeManager create volume
func NewVolumeManager(as *v1.AppService, serviceVolume *model.TenantServiceVolume, serviceMountR *model.TenantServiceMountRelation, version *dbmodel.VersionInfo, dbmanager db.Manager) Volume {
var v Volume
volumeType := ""
if serviceVolume != nil {
volumeType = serviceVolume.VolumeType
}
if serviceMountR != nil {
volumeType = serviceMountR.VolumeType
}
if volumeType == "" {
logrus.Warn("unknown volume Type, can't create volume")
return nil
}
switch volumeType {
case dbmodel.ShareFileVolumeType.String():
v = new(ShareFileVolume)
case dbmodel.ConfigFileVolumeType.String():
v = new(ConfigFileVolume)
case dbmodel.MemoryFSVolumeType.String():
v = new(MemoryFSVolume)
case dbmodel.LocalVolumeType.String():
v = new(LocalVolume)
default:
logrus.Warnf("other volume type[%s]", volumeType)
v = new(OtherVolume)
}
v.setBaseInfo(as, serviceVolume, serviceMountR, version, dbmanager)
return v
}
// Base volume base
type Base struct {
as *v1.AppService
svm *model.TenantServiceVolume
smr *model.TenantServiceMountRelation
version *dbmodel.VersionInfo
dbmanager db.Manager
}
func (b *Base) setBaseInfo(as *v1.AppService, serviceVolume *model.TenantServiceVolume, serviceMountR *model.TenantServiceMountRelation, version *dbmodel.VersionInfo, dbmanager db.Manager) {
b.as = as
b.svm = serviceVolume
b.smr = serviceMountR
b.version = version
b.dbmanager = dbmanager
}
func prepare() {
// TODO prepare volume info, create volume just create volume and return volumeMount, do not process anything else
}
func newVolumeClaim(name, volumePath, accessMode, storageClassName string, capacity int64, labels, annotations map[string]string) *corev1.PersistentVolumeClaim {
logrus.Debugf("volume annotaion is %+v", annotations)
resourceStorage, _ := resource.ParseQuantity(fmt.Sprintf("%dGi", capacity)) // 统一单位使用G
return &corev1.PersistentVolumeClaim{
ObjectMeta: metav1.ObjectMeta{
Name: name,
Labels: labels,
Annotations: annotations,
},
Spec: corev1.PersistentVolumeClaimSpec{
AccessModes: []corev1.PersistentVolumeAccessMode{parseAccessMode(accessMode)},
StorageClassName: &storageClassName,
Resources: corev1.ResourceRequirements{
Requests: map[corev1.ResourceName]resource.Quantity{
corev1.ResourceStorage: resourceStorage,
},
},
},
}
}
/*
RWO - ReadWriteOnce
ROX - ReadOnlyMany
RWX - ReadWriteMany
*/
func parseAccessMode(accessMode string) corev1.PersistentVolumeAccessMode {
accessMode = strings.ToUpper(accessMode)
switch accessMode {
case "RWO":
return corev1.ReadWriteOnce
case "ROX":
return corev1.ReadOnlyMany
case "RWX":
return corev1.ReadWriteMany
default:
return corev1.ReadWriteOnce
}
}
// Define define volume
type Define struct {
as *v1.AppService
volumeMounts []corev1.VolumeMount
volumes []corev1.Volume
}
// GetVolumes get define volumes
func (v *Define) GetVolumes() []corev1.Volume {
return v.volumes
}
// GetVolumeMounts get define volume mounts
func (v *Define) GetVolumeMounts() []corev1.VolumeMount {
return v.volumeMounts
}
// SetVolume define set volume
func (v *Define) SetVolume(VolumeType dbmodel.VolumeType, name, mountPath, hostPath string, hostPathType corev1.HostPathType, readOnly bool) {
for _, m := range v.volumeMounts {
if m.MountPath == mountPath {
return
}
}
switch VolumeType {
case dbmodel.MemoryFSVolumeType:
vo := corev1.Volume{Name: name}
vo.EmptyDir = &corev1.EmptyDirVolumeSource{
Medium: corev1.StorageMediumMemory,
}
v.volumes = append(v.volumes, vo)
if mountPath != "" {
vm := corev1.VolumeMount{
MountPath: mountPath,
Name: name,
ReadOnly: readOnly,
SubPath: "",
}
v.volumeMounts = append(v.volumeMounts, vm)
}
case dbmodel.ShareFileVolumeType:
if hostPath != "" {
vo := corev1.Volume{
Name: name,
}
vo.HostPath = &corev1.HostPathVolumeSource{
Path: hostPath,
Type: &hostPathType,
}
v.volumes = append(v.volumes, vo)
if mountPath != "" {
vm := corev1.VolumeMount{
MountPath: mountPath,
Name: name,
ReadOnly: readOnly,
SubPath: "",
}
v.volumeMounts = append(v.volumeMounts, vm)
}
}
case dbmodel.LocalVolumeType:
//no support
return
}
}
// SetVolumeCMap sets volumes and volumeMounts. The type of volumes is configMap.
func (v *Define) SetVolumeCMap(cmap *corev1.ConfigMap, k, p string, isReadOnly bool) {
var configFileMode int32 = 0777
vm := corev1.VolumeMount{
MountPath: p,
Name: cmap.Name,
ReadOnly: false,
SubPath: path.Base(p),
}
v.volumeMounts = append(v.volumeMounts, vm)
var defaultMode int32 = 0777
vo := corev1.Volume{
Name: cmap.Name,
VolumeSource: corev1.VolumeSource{
ConfigMap: &corev1.ConfigMapVolumeSource{
LocalObjectReference: corev1.LocalObjectReference{
Name: cmap.Name,
},
DefaultMode: &defaultMode,
Items: []corev1.KeyToPath{
corev1.KeyToPath{
Key: k,
Path: path.Base(p), // subpath
Mode: &configFileMode,
},
},
},
},
}
v.volumes = append(v.volumes, vo)
}
//createEnv create service container env
func createEnv(as *v1.AppService, dbmanager db.Manager) (*[]corev1.EnvVar, error) {
var envs []corev1.EnvVar
var envsAll []*dbmodel.TenantServiceEnvVar
//set logger env
//todo: user define and set logger config
envs = append(envs, corev1.EnvVar{
Name: "LOGGER_DRIVER_NAME",
Value: "streamlog",
})
//set relation app outer env
relations, err := dbmanager.TenantServiceRelationDao().GetTenantServiceRelations(as.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)
}
//set service all dependces ids
as.Dependces = relationIDs
if len(relationIDs) > 0 {
es, err := dbmanager.TenantServiceEnvVarDao().GetDependServiceEnvs(relationIDs, []string{"outer", "both"})
if err != nil {
return nil, err
}
if es != nil {
envsAll = append(envsAll, es...)
}
serviceAliass, err := 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, corev1.EnvVar{Name: "DEPEND_SERVICE", Value: Depend})
envs = append(envs, corev1.EnvVar{Name: "DEPEND_SERVICE_COUNT", Value: strconv.Itoa(len(serviceAliass))})
as.NeedProxy = true
}
}
//set app relation env
relations, err = dbmanager.TenantServiceRelationDao().GetTenantServiceRelationsByDependServiceID(as.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 := 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, corev1.EnvVar{Name: "REVERSE_DEPEND_SERVICE", Value: Depend})
}
}
//set app port and net env
ports, err := dbmanager.TenantServicesPortDao().GetPortsByServiceID(as.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, corev1.EnvVar{Name: "PORT", Value: strconv.Itoa(ports[0].ContainerPort)})
envs = append(envs, corev1.EnvVar{Name: "PROTOCOL", Value: ports[0].Protocol})
}
if portStr != "" {
portStr += ":"
}
portStr += fmt.Sprintf("%d", port.ContainerPort)
}
menvs := convertRulesToEnvs(as, dbmanager, ports)
if envs != nil && len(envs) > 0 {
envs = append(envs, menvs...)
}
envs = append(envs, corev1.EnvVar{Name: "MONITOR_PORT", Value: portStr})
}
//set net mode env by get from system
envs = append(envs, corev1.EnvVar{Name: "CUR_NET", Value: os.Getenv("CUR_NET")})
//set app custom envs
es, err := dbmanager.TenantServiceEnvVarDao().GetServiceEnvs(as.ServiceID, []string{"inner", "both", "outer"})
if err != nil {
return nil, err
}
if len(es) > 0 {
envsAll = append(envsAll, es...)
}
for _, e := range envsAll {
envs = append(envs, corev1.EnvVar{Name: strings.TrimSpace(e.AttrName), Value: e.AttrValue})
if strings.HasPrefix(e.AttrName, "ES_") {
as.ExtensionSet[strings.ToLower(e.AttrName[3:])] = e.AttrValue
}
}
svc, err := dbmanager.TenantServiceDao().GetServiceByID(as.ServiceID)
if err != nil {
return nil, err
}
//set default env
envs = append(envs, corev1.EnvVar{Name: "TENANT_ID", Value: as.TenantID})
envs = append(envs, corev1.EnvVar{Name: "SERVICE_ID", Value: as.ServiceID})
envs = append(envs, corev1.EnvVar{Name: "MEMORY_SIZE", Value: getMemoryType(as.ContainerMemory)})
envs = append(envs, corev1.EnvVar{Name: "SERVICE_NAME", Value: as.ServiceAlias})
envs = append(envs, corev1.EnvVar{Name: "SERVICE_EXTEND_METHOD", Value: svc.ExtendMethod})
envs = append(envs, corev1.EnvVar{Name: "SERVICE_POD_NUM", Value: strconv.Itoa(as.Replicas)})
envs = append(envs, corev1.EnvVar{Name: "HOST_IP", ValueFrom: &corev1.EnvVarSource{
FieldRef: &corev1.ObjectFieldSelector{
FieldPath: "status.hostIP",
},
}})
envs = append(envs, corev1.EnvVar{Name: "POD_IP", ValueFrom: &corev1.EnvVarSource{
FieldRef: &corev1.ObjectFieldSelector{
FieldPath: "status.podIP",
},
}})
var config = make(map[string]string, len(envs))
for _, env := range envs {
config[env.Name] = env.Value
}
for i, env := range envs {
envs[i].Value = util.ParseVariable(env.Value, config)
}
return &envs, nil
}
func convertRulesToEnvs(as *v1.AppService, dbmanager db.Manager, ports []*dbmodel.TenantServicesPort) (re []corev1.EnvVar) {
defDomain := fmt.Sprintf(".%s.%s.", as.ServiceAlias, as.TenantName)
httpRules, _ := dbmanager.HTTPRuleDao().ListByServiceID(as.ServiceID)
portDomainEnv := make(map[int][]corev1.EnvVar)
portProtocolEnv := make(map[int][]corev1.EnvVar)
for i := range httpRules {
rule := httpRules[i]
portDomainEnv[rule.ContainerPort] = append(portDomainEnv[rule.ContainerPort], corev1.EnvVar{
Name: fmt.Sprintf("DOMAIN_%d", rule.ContainerPort),
Value: rule.Domain,
})
portProtocolEnv[rule.ContainerPort] = append(portProtocolEnv[rule.ContainerPort], corev1.EnvVar{
Name: fmt.Sprintf("DOMAIN_PROTOCOL_%d", rule.ContainerPort),
Value: func() string {
if rule.CertificateID != "" {
return "https"
}
return "http"
}(),
})
}
var portInts []int
for _, port := range ports {
if *port.IsOuterService {
portInts = append(portInts, port.ContainerPort)
}
}
sort.Ints(portInts)
var gloalDomain, gloalDomainProcotol string
var firstDomain, firstDomainProcotol string
for _, p := range portInts {
if len(portDomainEnv[p]) == 0 {
continue
}
var portDomain, portDomainProcotol string
for i, renv := range portDomainEnv[p] {
//custom http rule
if !strings.Contains(renv.Value, defDomain) {
if gloalDomain == "" {
gloalDomain = renv.Value
gloalDomainProcotol = portProtocolEnv[p][i].Value
}
portDomain = renv.Value
portDomainProcotol = portProtocolEnv[p][i].Value
break
}
if firstDomain == "" {
firstDomain = renv.Value
firstDomainProcotol = portProtocolEnv[p][i].Value
}
}
if portDomain == "" {
portDomain = portDomainEnv[p][0].Value
portDomainProcotol = portProtocolEnv[p][0].Value
}
re = append(re, corev1.EnvVar{
Name: fmt.Sprintf("DOMAIN_%d", p),
Value: portDomain,
})
re = append(re, corev1.EnvVar{
Name: fmt.Sprintf("DOMAIN_PROTOCOL_%d", p),
Value: portDomainProcotol,
})
}
if gloalDomain == "" {
gloalDomain = firstDomain
gloalDomainProcotol = firstDomainProcotol
}
if gloalDomain != "" {
re = append(re, corev1.EnvVar{
Name: "DOMAIN",
Value: gloalDomain,
})
re = append(re, corev1.EnvVar{
Name: "DOMAIN_PROTOCOL",
Value: gloalDomainProcotol,
})
}
return
}
func getMemoryType(memorySize int) string {
memoryType := "small"
if v, ok := memoryLabels[memorySize]; ok {
memoryType = v
}
return memoryType
}
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",
}
//RewriteHostPathInWindows rewrite host path
func RewriteHostPathInWindows(hostPath string) string {
localPath := os.Getenv("LOCAL_DATA_PATH")
sharePath := os.Getenv("SHARE_DATA_PATH")
if localPath == "" {
localPath = "/grlocaldata"
}
if sharePath == "" {
sharePath = "/grdata"
}
hostPath = strings.Replace(hostPath, "/grdata", `z:`, 1)
hostPath = strings.Replace(hostPath, "/", `\`, -1)
return hostPath
}
//RewriteContainerPathInWindows mount path in windows
func RewriteContainerPathInWindows(mountPath string) string {
if mountPath == "" {
return ""
}
if mountPath[0] == '/' {
mountPath = `c:\` + mountPath[1:]
}
mountPath = strings.Replace(mountPath, "/", `\`, -1)
return mountPath
}