/
utils.go
627 lines (552 loc) · 18.9 KB
/
utils.go
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package db
import (
"fmt"
"time"
"github.com/cloudstax/firecamp/common"
"github.com/cloudstax/firecamp/utils"
)
const (
// Service members need to be created in advance. So TaskID, ContainerInstanceID
// and ServerInstanceID would be empty at service member creation.
// set them to default values, this will help the later conditional update.
DefaultTaskID = "defaultTaskID"
DefaultContainerInstanceID = "defaultContainerInstanceID"
DefaultServerInstanceID = "defaultServerInstanceID"
)
func CreateDevice(cluster string, device string, service string) *common.Device {
return &common.Device{
ClusterName: cluster,
DeviceName: device,
ServiceName: service,
}
}
func EqualDevice(t1 *common.Device, t2 *common.Device) bool {
if t1.ClusterName == t2.ClusterName &&
t1.DeviceName == t2.DeviceName &&
t1.ServiceName == t2.ServiceName {
return true
}
return false
}
func CopyDevice(d *common.Device) *common.Device {
return &common.Device{
ClusterName: d.ClusterName,
DeviceName: d.DeviceName,
ServiceName: d.ServiceName,
}
}
func CreateService(cluster string, service string, serviceUUID string) *common.Service {
return &common.Service{
ClusterName: cluster,
ServiceName: service,
ServiceUUID: serviceUUID,
}
}
func EqualService(t1 *common.Service, t2 *common.Service) bool {
if t1.ClusterName == t2.ClusterName &&
t1.ServiceName == t2.ServiceName &&
t1.ServiceUUID == t2.ServiceUUID {
return true
}
return false
}
func CopyService(s *common.Service) *common.Service {
return &common.Service{
ClusterName: s.ClusterName,
ServiceName: s.ServiceName,
ServiceUUID: s.ServiceUUID,
}
}
func CreateServiceMeta(cluster string, service string, mtime int64, serviceType string, status string) *common.ServiceMeta {
return &common.ServiceMeta{
ClusterName: cluster,
ServiceName: service,
LastModified: mtime,
ServiceType: serviceType,
ServiceStatus: status,
}
}
func EqualServiceMeta(s1 *common.ServiceMeta, s2 *common.ServiceMeta, skipMtime bool) bool {
return s1.ClusterName == s2.ClusterName &&
s1.ServiceName == s2.ServiceName &&
(skipMtime || s1.LastModified == s2.LastModified) &&
s1.ServiceType == s2.ServiceType &&
s1.ServiceStatus == s2.ServiceStatus
}
func CopyServiceMeta(s *common.ServiceMeta) *common.ServiceMeta {
return &common.ServiceMeta{
ClusterName: s.ClusterName,
ServiceName: s.ServiceName,
LastModified: s.LastModified,
ServiceType: s.ServiceType,
ServiceStatus: s.ServiceStatus,
}
}
func CreateServiceSpec(replicas int64, res *common.Resources, registerDNS bool, domain string,
hostedZoneID string, requireStaticIP bool, serviceCfgs []common.ConfigID,
catalogServiceType string, vols *common.ServiceVolumes) *common.ServiceSpec {
return &common.ServiceSpec{
Replicas: replicas,
Resource: *res,
RegisterDNS: registerDNS,
DomainName: domain,
HostedZoneID: hostedZoneID,
RequireStaticIP: requireStaticIP,
ServiceConfigs: serviceCfgs,
CatalogServiceType: catalogServiceType,
Volumes: *vols,
}
}
func EqualServiceSpec(s1 *common.ServiceSpec, s2 *common.ServiceSpec) bool {
return s1.Replicas == s2.Replicas &&
EqualResources(&s1.Resource, &s2.Resource) &&
s1.RegisterDNS == s2.RegisterDNS &&
s1.DomainName == s2.DomainName &&
s1.HostedZoneID == s2.HostedZoneID &&
s1.RequireStaticIP == s2.RequireStaticIP &&
EqualConfigs(s1.ServiceConfigs, s2.ServiceConfigs) &&
s1.CatalogServiceType == s2.CatalogServiceType &&
EqualServiceVolumes(&s1.Volumes, &s2.Volumes)
}
func CopyServiceSpec(s *common.ServiceSpec) *common.ServiceSpec {
return &common.ServiceSpec{
Replicas: s.Replicas,
Resource: *CopyResources(&s.Resource),
RegisterDNS: s.RegisterDNS,
DomainName: s.DomainName,
HostedZoneID: s.HostedZoneID,
RequireStaticIP: s.RequireStaticIP,
ServiceConfigs: CopyConfigs(s.ServiceConfigs),
CatalogServiceType: s.CatalogServiceType,
Volumes: *CopyServiceVolumes(&s.Volumes),
}
}
func CreateServiceAttr(serviceUUID string, revision int64, meta *common.ServiceMeta, spec *common.ServiceSpec) *common.ServiceAttr {
return &common.ServiceAttr{
ServiceUUID: serviceUUID,
Revision: revision,
Meta: *meta,
Spec: *spec,
}
}
func EqualServiceAttr(s1 *common.ServiceAttr, s2 *common.ServiceAttr, skipMtime bool, skipRevision bool) bool {
return s1.ServiceUUID == s2.ServiceUUID &&
(skipRevision || s1.Revision == s2.Revision) &&
EqualServiceMeta(&s1.Meta, &s2.Meta, skipMtime) &&
EqualServiceSpec(&s1.Spec, &s2.Spec)
}
func EqualServiceAttrImmutableFields(s1 *common.ServiceAttr, s2 *common.ServiceAttr) bool {
// Only Revision, Meta.LastModified, Meta.ServiceStatus, Spec.Replicas,
// Spec.Resources, Spec.ServiceConfigs are allowed to change.
return s1.ServiceUUID == s2.ServiceUUID &&
s1.Meta.ClusterName == s2.Meta.ClusterName &&
s1.Meta.ServiceName == s2.Meta.ServiceName &&
s1.Meta.ServiceType == s2.Meta.ServiceType &&
s1.Spec.RegisterDNS == s2.Spec.RegisterDNS &&
s1.Spec.DomainName == s2.Spec.DomainName &&
s1.Spec.HostedZoneID == s2.Spec.HostedZoneID &&
s1.Spec.RequireStaticIP == s2.Spec.RequireStaticIP &&
EqualServiceVolumes(&s1.Spec.Volumes, &s2.Spec.Volumes)
}
func CopyServiceAttr(s *common.ServiceAttr) *common.ServiceAttr {
return &common.ServiceAttr{
ServiceUUID: s.ServiceUUID,
Revision: s.Revision,
Meta: *CopyServiceMeta(&s.Meta),
Spec: *CopyServiceSpec(&s.Spec),
}
}
func UpdateServiceStatus(s *common.ServiceAttr, status string) *common.ServiceAttr {
newMeta := CopyServiceMeta(&s.Meta)
newMeta.LastModified = time.Now().UnixNano()
newMeta.ServiceStatus = status
return &common.ServiceAttr{
ServiceUUID: s.ServiceUUID,
Revision: s.Revision + 1,
Meta: *newMeta,
Spec: s.Spec,
}
}
func UpdateServiceReplicas(s *common.ServiceAttr, replicas int64) *common.ServiceAttr {
newMeta := CopyServiceMeta(&s.Meta)
newMeta.LastModified = time.Now().UnixNano()
newSpec := CopyServiceSpec(&s.Spec)
newSpec.Replicas = replicas
return &common.ServiceAttr{
ServiceUUID: s.ServiceUUID,
Revision: s.Revision + 1,
Meta: *newMeta,
Spec: *newSpec,
}
}
func UpdateServiceConfig(s *common.ServiceAttr, cfgIndex int, newFileID string, fileMD5 string) *common.ServiceAttr {
newMeta := CopyServiceMeta(&s.Meta)
newMeta.LastModified = time.Now().UnixNano()
newSpec := CopyServiceSpec(&s.Spec)
newSpec.ServiceConfigs[cfgIndex].FileID = newFileID
newSpec.ServiceConfigs[cfgIndex].FileMD5 = fileMD5
return &common.ServiceAttr{
ServiceUUID: s.ServiceUUID,
Revision: s.Revision + 1,
Meta: *newMeta,
Spec: *newSpec,
}
}
func UpdateServiceResources(s *common.ServiceAttr, res *common.Resources) *common.ServiceAttr {
newMeta := CopyServiceMeta(&s.Meta)
newMeta.LastModified = time.Now().UnixNano()
newSpec := CopyServiceSpec(&s.Spec)
newSpec.Resource = *res
return &common.ServiceAttr{
ServiceUUID: s.ServiceUUID,
Revision: s.Revision + 1,
Meta: *newMeta,
Spec: *newSpec,
}
}
func EqualResources(r1 *common.Resources, r2 *common.Resources) bool {
if r1.MaxCPUUnits == r2.MaxCPUUnits &&
r1.ReserveCPUUnits == r2.ReserveCPUUnits &&
r1.MaxMemMB == r2.MaxMemMB &&
r1.ReserveMemMB == r2.ReserveMemMB {
return true
}
return false
}
func CopyResources(r *common.Resources) *common.Resources {
return &common.Resources{
MaxCPUUnits: r.MaxCPUUnits,
ReserveCPUUnits: r.ReserveCPUUnits,
MaxMemMB: r.MaxMemMB,
ReserveMemMB: r.ReserveMemMB,
}
}
func EqualServiceVolumes(v1 *common.ServiceVolumes, v2 *common.ServiceVolumes) bool {
return v1.PrimaryDeviceName == v2.PrimaryDeviceName &&
EqualServiceVolume(&(v1.PrimaryVolume), &(v2.PrimaryVolume)) &&
v1.JournalDeviceName == v2.JournalDeviceName &&
EqualServiceVolume(&(v1.JournalVolume), &(v2.JournalVolume))
}
func CopyServiceVolumes(v *common.ServiceVolumes) *common.ServiceVolumes {
return &common.ServiceVolumes{
PrimaryDeviceName: v.PrimaryDeviceName,
PrimaryVolume: *CopyServiceVolume(&v.PrimaryVolume),
JournalDeviceName: v.JournalDeviceName,
JournalVolume: *CopyServiceVolume(&v.JournalVolume),
}
}
func EqualServiceVolume(v1 *common.ServiceVolume, v2 *common.ServiceVolume) bool {
return v1.VolumeType == v2.VolumeType &&
v1.Iops == v2.Iops &&
v1.VolumeSizeGB == v2.VolumeSizeGB &&
v1.Encrypted == v2.Encrypted
}
func CopyServiceVolume(v *common.ServiceVolume) *common.ServiceVolume {
return &common.ServiceVolume{
VolumeType: v.VolumeType,
Iops: v.Iops,
VolumeSizeGB: v.VolumeSizeGB,
Encrypted: v.Encrypted,
}
}
func CreateMemberMeta(mtime int64, status string) *common.MemberMeta {
return &common.MemberMeta{
LastModified: mtime,
Status: status,
}
}
func EqualMemberMeta(m1 *common.MemberMeta, m2 *common.MemberMeta, skipMtime bool) bool {
return (skipMtime || m1.LastModified == m2.LastModified) &&
m1.Status == m2.Status
}
func CopyMemberMeta(m *common.MemberMeta) *common.MemberMeta {
return &common.MemberMeta{
LastModified: m.LastModified,
Status: m.Status,
}
}
func CreateInitialMemberSpec(az string, vols *common.MemberVolumes, staticIP string, configs []common.ConfigID) *common.MemberSpec {
return &common.MemberSpec{
AvailableZone: az,
TaskID: DefaultTaskID,
ContainerInstanceID: DefaultContainerInstanceID,
ServerInstanceID: DefaultServerInstanceID,
Volumes: *vols,
StaticIP: staticIP,
Configs: configs,
}
}
func CreateMemberSpec(az string, taskID string, containerInstanceID string, serverInstanceID string,
vols *common.MemberVolumes, staticIP string, configs []common.ConfigID) *common.MemberSpec {
return &common.MemberSpec{
AvailableZone: az,
TaskID: taskID,
ContainerInstanceID: containerInstanceID,
ServerInstanceID: serverInstanceID,
Volumes: *vols,
StaticIP: staticIP,
Configs: configs,
}
}
func EqualMemberSpec(m1 *common.MemberSpec, m2 *common.MemberSpec) bool {
return m1.AvailableZone == m2.AvailableZone &&
m1.TaskID == m2.TaskID &&
m1.ContainerInstanceID == m2.ContainerInstanceID &&
m1.ServerInstanceID == m2.ServerInstanceID &&
EqualMemberVolumes(&m1.Volumes, &m2.Volumes) &&
m1.StaticIP == m2.StaticIP &&
EqualConfigs(m1.Configs, m2.Configs)
}
func CopyMemberSpec(m *common.MemberSpec) *common.MemberSpec {
return &common.MemberSpec{
AvailableZone: m.AvailableZone,
TaskID: m.TaskID,
ContainerInstanceID: m.ContainerInstanceID,
ServerInstanceID: m.ServerInstanceID,
Volumes: *CopyMemberVolumes(&m.Volumes),
StaticIP: m.StaticIP,
Configs: CopyConfigs(m.Configs),
}
}
func CreateServiceMember(serviceUUID string, memberName string, revision int64, meta *common.MemberMeta, spec *common.MemberSpec) *common.ServiceMember {
return &common.ServiceMember{
ServiceUUID: serviceUUID,
MemberName: memberName,
Revision: revision,
Meta: *meta,
Spec: *spec,
}
}
func EqualServiceMember(t1 *common.ServiceMember, t2 *common.ServiceMember, skipMtime bool) bool {
return t1.ServiceUUID == t2.ServiceUUID &&
t1.MemberName == t2.MemberName &&
t1.Revision == t2.Revision &&
EqualMemberMeta(&t1.Meta, &t2.Meta, skipMtime) &&
EqualMemberSpec(&t1.Spec, &t2.Spec)
}
func EqualServiceMemberImmutableFields(m1 *common.ServiceMember, m2 *common.ServiceMember) bool {
// Only Revision, Meta.LastModified, Meta.Status, Spec.TaskID, Spec.ContainerInstanceID,
// Spec.ServerInstanceID, Spec.Volumes, Spec.Configs are allowed to change
return m1.ServiceUUID == m2.ServiceUUID &&
m1.MemberName == m2.MemberName &&
m1.Spec.AvailableZone == m2.Spec.AvailableZone &&
m1.Spec.StaticIP == m2.Spec.StaticIP
}
func CopyServiceMember(m *common.ServiceMember) *common.ServiceMember {
return &common.ServiceMember{
ServiceUUID: m.ServiceUUID,
MemberName: m.MemberName,
Revision: m.Revision,
Meta: *CopyMemberMeta(&m.Meta),
Spec: *CopyMemberSpec(&m.Spec),
}
}
func UpdateServiceMemberConfigs(t1 *common.ServiceMember, c []common.ConfigID) *common.ServiceMember {
newMeta := CopyMemberMeta(&t1.Meta)
newMeta.LastModified = time.Now().UnixNano()
newSpec := CopyMemberSpec(&t1.Spec)
newSpec.Configs = c
return &common.ServiceMember{
ServiceUUID: t1.ServiceUUID,
MemberName: t1.MemberName,
Revision: t1.Revision + 1,
Meta: *newMeta,
Spec: *newSpec,
}
}
func UpdateServiceMemberOwner(t1 *common.ServiceMember, taskID string, containerInstanceID string, serverInstanceID string) *common.ServiceMember {
newMeta := CopyMemberMeta(&t1.Meta)
newMeta.LastModified = time.Now().UnixNano()
newSpec := CopyMemberSpec(&t1.Spec)
newSpec.TaskID = taskID
newSpec.ContainerInstanceID = containerInstanceID
newSpec.ServerInstanceID = serverInstanceID
return &common.ServiceMember{
ServiceUUID: t1.ServiceUUID,
MemberName: t1.MemberName,
Revision: t1.Revision + 1,
Meta: *newMeta,
Spec: *newSpec,
}
}
func EqualMemberVolumes(v1 *common.MemberVolumes, v2 *common.MemberVolumes) bool {
if v1.PrimaryVolumeID == v2.PrimaryVolumeID &&
v1.PrimaryDeviceName == v2.PrimaryDeviceName &&
v1.JournalVolumeID == v2.JournalVolumeID &&
v1.JournalDeviceName == v2.JournalDeviceName {
return true
}
return false
}
func CopyMemberVolumes(v *common.MemberVolumes) *common.MemberVolumes {
return &common.MemberVolumes{
PrimaryVolumeID: v.PrimaryVolumeID,
PrimaryDeviceName: v.PrimaryDeviceName,
JournalVolumeID: v.JournalVolumeID,
JournalDeviceName: v.JournalDeviceName,
}
}
func EqualConfigs(c1 []common.ConfigID, c2 []common.ConfigID) bool {
if len(c1) != len(c2) {
return false
}
for i := 0; i < len(c1); i++ {
if c1[i].FileName != c2[i].FileName ||
c1[i].FileID != c2[i].FileID ||
c1[i].FileMD5 != c2[i].FileMD5 {
return false
}
}
return true
}
func CopyConfigs(c1 []common.ConfigID) []common.ConfigID {
c2 := make([]common.ConfigID, len(c1))
for i, c := range c1 {
c2[i] = common.ConfigID{
FileName: c.FileName,
FileID: c.FileID,
FileMD5: c.FileMD5,
}
}
return c2
}
func CreateConfigFileMeta(fileName string, mtime int64) *common.ConfigFileMeta {
return &common.ConfigFileMeta{
FileName: fileName,
LastModified: mtime,
}
}
func CopyConfigFileMeta(c *common.ConfigFileMeta) *common.ConfigFileMeta {
return &common.ConfigFileMeta{
FileName: c.FileName,
LastModified: c.LastModified,
}
}
func CreateConfigFileSpec(fileMode uint32, fileMD5 string, content string) *common.ConfigFileSpec {
return &common.ConfigFileSpec{
FileMode: fileMode,
FileMD5: fileMD5,
Content: content,
}
}
func CopyConfigFileSpec(c *common.ConfigFileSpec) *common.ConfigFileSpec {
return &common.ConfigFileSpec{
FileMode: c.FileMode,
FileMD5: c.FileMD5,
Content: c.Content,
}
}
func CreateInitialConfigFile(serviceUUID string, fileID string, fileName string, fileMode uint32, content string) *common.ConfigFile {
meta := CreateConfigFileMeta(fileName, time.Now().UnixNano())
chksum := utils.GenMD5(content)
spec := CreateConfigFileSpec(fileMode, chksum, content)
return &common.ConfigFile{
ServiceUUID: serviceUUID,
FileID: fileID,
Revision: 0,
Meta: *meta,
Spec: *spec,
}
}
func CreateConfigFile(serviceUUID string, fileID string, revision int64, meta *common.ConfigFileMeta, spec *common.ConfigFileSpec) *common.ConfigFile {
return &common.ConfigFile{
ServiceUUID: serviceUUID,
FileID: fileID,
Revision: revision,
Meta: *meta,
Spec: *spec,
}
}
func CreateNewConfigFile(c *common.ConfigFile, newFileID string, newContent string) *common.ConfigFile {
newMD5 := utils.GenMD5(newContent)
meta := CopyConfigFileMeta(&c.Meta)
meta.LastModified = time.Now().UnixNano()
spec := CopyConfigFileSpec(&c.Spec)
spec.FileMD5 = newMD5
spec.Content = newContent
return &common.ConfigFile{
ServiceUUID: c.ServiceUUID,
FileID: newFileID,
Revision: c.Revision + 1,
Meta: *meta,
Spec: *spec,
}
}
func EqualConfigFile(c1 *common.ConfigFile, c2 *common.ConfigFile, skipMtime bool, skipContent bool) bool {
return c1.ServiceUUID == c2.ServiceUUID &&
c1.FileID == c2.FileID &&
c1.Revision == c2.Revision &&
c1.Meta.FileName == c2.Meta.FileName &&
(skipMtime || c1.Meta.LastModified == c2.Meta.LastModified) &&
c1.Spec.FileMD5 == c2.Spec.FileMD5 &&
c1.Spec.FileMode == c2.Spec.FileMode &&
(skipContent || c1.Spec.Content == c2.Spec.Content)
}
func CopyConfigFile(c *common.ConfigFile) *common.ConfigFile {
newMeta := CopyConfigFileMeta(&c.Meta)
newSpec := CopyConfigFileSpec(&c.Spec)
return &common.ConfigFile{
ServiceUUID: c.ServiceUUID,
FileID: c.FileID,
Meta: *newMeta,
Spec: *newSpec,
}
}
func PrintConfigFile(cfg *common.ConfigFile) string {
return fmt.Sprintf("serviceUUID %s fileID %s revision %d fileName %s LastModified %d fileMD5 %s fileMode %d",
cfg.ServiceUUID, cfg.FileID, cfg.Revision, cfg.Meta.FileName, cfg.Meta.LastModified, cfg.Spec.FileMD5, cfg.Spec.FileMode)
}
func CreateStaticIPSpec(serviceUUID string, az string, serverInstanceID string, netInterfaceID string) *common.StaticIPSpec {
return &common.StaticIPSpec{
ServiceUUID: serviceUUID,
AvailableZone: az,
ServerInstanceID: serverInstanceID,
NetworkInterfaceID: netInterfaceID,
}
}
func EqualStaticIPSpec(t1 *common.StaticIPSpec, t2 *common.StaticIPSpec) bool {
return t1.ServiceUUID == t2.ServiceUUID &&
t1.AvailableZone == t2.AvailableZone &&
t1.ServerInstanceID == t2.ServerInstanceID &&
t1.NetworkInterfaceID == t2.NetworkInterfaceID
}
func CopyStaticIPSpec(s *common.StaticIPSpec) *common.StaticIPSpec {
return &common.StaticIPSpec{
ServiceUUID: s.ServiceUUID,
AvailableZone: s.AvailableZone,
ServerInstanceID: s.ServerInstanceID,
NetworkInterfaceID: s.NetworkInterfaceID,
}
}
func CreateServiceStaticIP(staticIP string, revision int64, spec *common.StaticIPSpec) *common.ServiceStaticIP {
return &common.ServiceStaticIP{
StaticIP: staticIP,
Revision: revision,
Spec: *spec,
}
}
func EqualServiceStaticIP(t1 *common.ServiceStaticIP, t2 *common.ServiceStaticIP) bool {
return t1.StaticIP == t2.StaticIP &&
t1.Revision == t2.Revision &&
EqualStaticIPSpec(&t1.Spec, &t2.Spec)
}
func EqualServiceStaticIPImmutableFields(t1 *common.ServiceStaticIP, t2 *common.ServiceStaticIP) bool {
return t1.StaticIP == t2.StaticIP &&
t1.Spec.ServiceUUID == t2.Spec.ServiceUUID &&
t1.Spec.AvailableZone == t2.Spec.AvailableZone
}
func UpdateServiceStaticIP(t1 *common.ServiceStaticIP, serverInstanceID string, netInterfaceID string) *common.ServiceStaticIP {
newSpec := CreateStaticIPSpec(t1.Spec.ServiceUUID, t1.Spec.AvailableZone, serverInstanceID, netInterfaceID)
return &common.ServiceStaticIP{
StaticIP: t1.StaticIP,
Revision: t1.Revision + 1,
Spec: *newSpec,
}
}
func CopyServiceStaticIP(s *common.ServiceStaticIP) *common.ServiceStaticIP {
return &common.ServiceStaticIP{
StaticIP: s.StaticIP,
Revision: s.Revision,
Spec: *CopyStaticIPSpec(&s.Spec),
}
}