func InitVMPoolDB(retryTimeout time.Duration, retryInterval time.Duration, logger boshlog.Logger) error {
SQLITE_DB_FOLDER = common.GetOSEnvVariable("SQLITE_DB_FOLDER", "/var/vcap/store/director/")
SQLITE_DB_FILE = common.GetOSEnvVariable("SQLITE_DB_FILE", "vm_pool.sqlite")
SQLITE_DB_FILE_PATH = filepath.Join(SQLITE_DB_FOLDER, SQLITE_DB_FILE)
err := os.MkdirAll(SQLITE_DB_FOLDER, os.ModePerm)
if err != nil {
return bosherr.WrapError(err, "Failed to make directory: "+SQLITE_DB_FOLDER)
}
db, err := OpenDB(SQLITE_DB_FILE_PATH)
defer db.Close()
if err != nil {
return bosherr.WrapError(err, "Opening DB")
}
sqlStmt := `CREATE TABLE IF NOT EXISTS vms (id int not null primary key, name varchar(32), in_use varchar(32),
public_ip varchar(32), private_ip varchar(32), root_pwd varchar(32),
image_id varchar(64),
agent_id varchar(32),
timestamp timestamp)`
err = exec(db, sqlStmt, retryTimeout, retryInterval, logger)
if err != nil {
return bosherr.WrapError(err, "Failed to execute sql statement: "+sqlStmt)
}
return nil
}
func (vm SoftLayerVM) Delete(agentID string) error {
if strings.ToUpper(common.GetOSEnvVariable("OS_RELOAD_ENABLED", "TRUE")) == "FALSE" {
if strings.ToUpper(common.GetOSEnvVariable("DEL_NOT_ALLOWED", "FALSE")) == "FALSE" {
return vm.DeleteVM()
} else {
return bosherr.Error("DEL_NOT_ALLOWED is set to TRUE, the VM deletion reqeust is refused.")
}
}
err := bslcvmpool.InitVMPoolDB(bslcvmpool.DB_RETRY_TIMEOUT, bslcvmpool.DB_RETRY_INTERVAL, vm.logger)
if err != nil {
return bosherr.WrapError(err, "Failed to initialize VM pool DB")
}
db, err := bslcvmpool.OpenDB(bslcvmpool.SQLITE_DB_FILE_PATH)
if err != nil {
return bosherr.WrapError(err, "Opening DB")
}
vmInfoDB := bslcvmpool.NewVMInfoDB(vm.id, "", "", "", "", vm.logger, db)
defer vmInfoDB.CloseDB()
err = vmInfoDB.QueryVMInfobyID(bslcvmpool.DB_RETRY_TIMEOUT, bslcvmpool.DB_RETRY_INTERVAL)
if err != nil {
return bosherr.WrapError(err, fmt.Sprintf("Failed to query VM info by given ID %d", vm.id))
}
vm.logger.Info(SOFTLAYER_VM_LOG_TAG, fmt.Sprintf("vmInfoDB.vmProperties.id is %d", vmInfoDB.VmProperties.Id))
if vmInfoDB.VmProperties.Id != 0 {
if agentID != "" {
vm.logger.Info(SOFTLAYER_VM_LOG_TAG, fmt.Sprintf("Release the VM with id %d back to the VM pool", vmInfoDB.VmProperties.Id))
vmInfoDB.VmProperties.InUse = "f"
err = vmInfoDB.UpdateVMInfoByID(bslcvmpool.DB_RETRY_TIMEOUT, bslcvmpool.DB_RETRY_INTERVAL)
if err != nil {
return bosherr.WrapError(err, fmt.Sprintf("Failed to update in_use to %s by given ID %d", vmInfoDB.VmProperties.InUse, vm.id))
} else {
return nil
}
} else {
if strings.ToUpper(common.GetOSEnvVariable("DEL_NOT_ALLOWED", "FALSE")) == "FALSE" {
return vm.DeleteVM()
} else {
return bosherr.Error("DEL_NOT_ALLOWED is set to TRUE, the VM deletion reqeust is refused.")
}
}
} else {
if strings.ToUpper(common.GetOSEnvVariable("DEL_NOT_ALLOWED", "FALSE")) == "FALSE" {
return vm.DeleteVM()
} else {
return bosherr.Error("DEL_NOT_ALLOWED is set to TRUE, the VM deletion reqeust is refused.")
}
}
}
func (vm SoftLayerVM) DeleteVM() error {
virtualGuestService, err := vm.softLayerClient.GetSoftLayer_Virtual_Guest_Service()
if err != nil {
return bosherr.WrapError(err, "Creating SoftLayer VirtualGuestService from client")
}
vmCID := vm.ID()
err = bslcommon.WaitForVirtualGuestToHaveNoRunningTransactions(vm.softLayerClient, vmCID)
if err != nil {
if !strings.Contains(err.Error(), "HTTP error code") {
return bosherr.WrapError(err, fmt.Sprintf("Waiting for VirtualGuest `%d` to have no pending transactions before deleting vm", vmCID))
}
}
deleted, err := virtualGuestService.DeleteObject(vm.ID())
if err != nil {
if !strings.Contains(err.Error(), "HTTP error code") {
return bosherr.WrapError(err, "Deleting SoftLayer VirtualGuest from client")
}
}
if !deleted {
return bosherr.WrapError(nil, "Did not delete SoftLayer VirtualGuest from client")
}
err = vm.postCheckActiveTransactionsForDeleteVM(vm.softLayerClient, vmCID)
if err != nil {
if !strings.Contains(err.Error(), "HTTP error code") {
return err
}
}
if strings.ToUpper(common.GetOSEnvVariable("OS_RELOAD_ENABLED", "TRUE")) == "TRUE" {
db, err := bslcvmpool.OpenDB(bslcvmpool.SQLITE_DB_FILE_PATH)
if err != nil {
return bosherr.WrapError(err, "Opening DB")
}
vmInfoDB := bslcvmpool.NewVMInfoDB(vm.ID(), "", "", "", "", vm.logger, db)
err = vmInfoDB.DeleteVMFromVMDB(bslcvmpool.DB_RETRY_TIMEOUT, bslcvmpool.DB_RETRY_INTERVAL)
if err != nil {
return bosherr.WrapError(err, "Failed to delete the record from VM pool DB")
}
}
return nil
}
func (c SoftLayerCreator) CreateNewVM(agentID string, stemcell bslcstem.Stemcell, cloudProps VMCloudProperties, networks Networks, env Environment) (VM, error) {
virtualGuestTemplate, err := CreateVirtualGuestTemplate(stemcell, cloudProps)
if err != nil {
return SoftLayerVM{}, bosherr.WrapError(err, "Creating virtual guest template")
}
virtualGuestService, err := c.softLayerClient.GetSoftLayer_Virtual_Guest_Service()
if err != nil {
return SoftLayerVM{}, bosherr.WrapError(err, "Creating VirtualGuestService from SoftLayer client")
}
virtualGuest, err := virtualGuestService.CreateObject(virtualGuestTemplate)
if err != nil {
return SoftLayerVM{}, bosherr.WrapError(err, "Creating VirtualGuest from SoftLayer client")
}
if cloudProps.EphemeralDiskSize == 0 {
err = bslcommon.WaitForVirtualGuestLastCompleteTransaction(c.softLayerClient, virtualGuest.Id, "Service Setup")
if err != nil {
return SoftLayerVM{}, bosherr.WrapErrorf(err, "Waiting for VirtualGuest `%d` has Service Setup transaction complete", virtualGuest.Id)
}
} else {
err = bslcommon.AttachEphemeralDiskToVirtualGuest(c.softLayerClient, virtualGuest.Id, cloudProps.EphemeralDiskSize, c.logger)
if err != nil {
return SoftLayerVM{}, bosherr.WrapError(err, fmt.Sprintf("Attaching ephemeral disk to VirtualGuest `%d`", virtualGuest.Id))
}
}
virtualGuest, err = bslcommon.GetObjectDetailsOnVirtualGuest(c.softLayerClient, virtualGuest.Id)
if err != nil {
return SoftLayerVM{}, bosherr.WrapErrorf(err, "Cannot get details from virtual guest with id: %d.", virtualGuest.Id)
}
softlayerFileService := NewSoftlayerFileService(util.GetSshClient(), virtualGuest, c.logger, c.uuidGenerator, c.fs)
agentEnvService := c.agentEnvServiceFactory.New(softlayerFileService, strconv.Itoa(virtualGuest.Id))
if len(cloudProps.BoshIp) == 0 {
// update /etc/hosts file of bosh-init vm
c.updateEtcHostsOfBoshInit(fmt.Sprintf("%s %s", virtualGuest.PrimaryBackendIpAddress, virtualGuest.FullyQualifiedDomainName))
// Update mbus url setting for bosh director: construct mbus url with new director ip
mbus, err := c.parseMbusURL(c.agentOptions.Mbus, virtualGuest.PrimaryBackendIpAddress)
if err != nil {
return SoftLayerVM{}, bosherr.WrapErrorf(err, "Cannot construct mbus url.")
}
c.agentOptions.Mbus = mbus
} else {
// Update mbus url setting
mbus, err := c.parseMbusURL(c.agentOptions.Mbus, cloudProps.BoshIp)
if err != nil {
return SoftLayerVM{}, bosherr.WrapErrorf(err, "Cannot construct mbus url.")
}
c.agentOptions.Mbus = mbus
// Update blobstore setting
switch c.agentOptions.Blobstore.Provider {
case BlobstoreTypeDav:
davConf := DavConfig(c.agentOptions.Blobstore.Options)
c.updateDavConfig(&davConf, cloudProps.BoshIp)
}
}
agentEnv := CreateAgentUserData(agentID, cloudProps, networks, env, c.agentOptions)
if err != nil {
return SoftLayerVM{}, bosherr.WrapErrorf(err, "Cannot agent env for virtual guest with id: %d.", virtualGuest.Id)
}
err = agentEnvService.Update(agentEnv)
if err != nil {
return SoftLayerVM{}, bosherr.WrapError(err, "Updating VM's agent env")
}
vm := NewSoftLayerVM(virtualGuest.Id, c.softLayerClient, util.GetSshClient(), agentEnvService, c.logger)
if strings.ToUpper(common.GetOSEnvVariable("OS_RELOAD_ENABLED", "TRUE")) == "TRUE" && !strings.Contains(cloudProps.VmNamePrefix, "-worker") {
db, err := bslcvmpool.OpenDB(bslcvmpool.SQLITE_DB_FILE_PATH)
if err != nil {
return SoftLayerVM{}, bosherr.WrapError(err, "Opening DB")
}
vmInfoDB := bslcvmpool.NewVMInfoDB(vm.ID(), virtualGuestTemplate.Hostname+"."+virtualGuestTemplate.Domain, "t", stemcell.Uuid(), agentID, c.logger, db)
err = vmInfoDB.InsertVMInfo(bslcvmpool.DB_RETRY_TIMEOUT, bslcvmpool.DB_RETRY_INTERVAL)
if err != nil {
return SoftLayerVM{}, bosherr.WrapError(err, "Failed to insert the record into VM pool DB")
}
}
if len(c.agentOptions.VcapPassword) > 0 {
err = c.SetVcapPassword(vm, virtualGuest, c.agentOptions.VcapPassword)
if err != nil {
return SoftLayerVM{}, bosherr.WrapError(err, "Updating VM's vcap password")
}
}
return vm, nil
}
func (c SoftLayerCreator) Create(agentID string, stemcell bslcstem.Stemcell, cloudProps VMCloudProperties, networks Networks, env Environment) (VM, error) {
if strings.ToUpper(common.GetOSEnvVariable("OS_RELOAD_ENABLED", "TRUE")) == "FALSE" {
return c.CreateNewVM(agentID, stemcell, cloudProps, networks, env)
}
err := bslcvmpool.InitVMPoolDB(bslcvmpool.DB_RETRY_TIMEOUT, bslcvmpool.DB_RETRY_INTERVAL, c.logger)
if err != nil {
return SoftLayerVM{}, bosherr.WrapError(err, "Failed to initialize VM pool DB")
}
if strings.Contains(cloudProps.VmNamePrefix, "-worker") {
vm, err := c.CreateNewVM(agentID, stemcell, cloudProps, networks, env)
return vm, err
}
db, err := bslcvmpool.OpenDB(bslcvmpool.SQLITE_DB_FILE_PATH)
if err != nil {
return SoftLayerVM{}, bosherr.WrapError(err, "Opening DB")
}
vmInfoDB := bslcvmpool.NewVMInfoDB(0, "", "f", "", agentID, c.logger, db)
defer vmInfoDB.CloseDB()
err = vmInfoDB.QueryVMInfobyAgentID(bslcvmpool.DB_RETRY_TIMEOUT, bslcvmpool.DB_RETRY_INTERVAL)
if err != nil {
return SoftLayerVM{}, bosherr.WrapError(err, "Failed to query VM info by given agent ID "+agentID)
}
if vmInfoDB.VmProperties.Id != 0 {
c.logger.Info(SOFTLAYER_VM_CREATOR_LOG_TAG, fmt.Sprintf("OS reload on the server id %d with stemcell %d", vmInfoDB.VmProperties.Id, stemcell.ID()))
vm := NewSoftLayerVM(vmInfoDB.VmProperties.Id, c.softLayerClient, util.GetSshClient(), nil, c.logger)
bslcommon.TIMEOUT = 2 * time.Hour
err = vm.ReloadOS(stemcell)
if err != nil {
return SoftLayerVM{}, bosherr.WrapError(err, "Failed to reload OS")
}
if cloudProps.EphemeralDiskSize == 0 {
err = bslcommon.WaitForVirtualGuestLastCompleteTransaction(c.softLayerClient, vmInfoDB.VmProperties.Id, "Service Setup")
if err != nil {
return SoftLayerVM{}, bosherr.WrapErrorf(err, "Waiting for VirtualGuest `%d` has Service Setup transaction complete", vmInfoDB.VmProperties.Id)
}
} else {
err = bslcommon.AttachEphemeralDiskToVirtualGuest(c.softLayerClient, vmInfoDB.VmProperties.Id, cloudProps.EphemeralDiskSize, c.logger)
if err != nil {
return SoftLayerVM{}, bosherr.WrapError(err, fmt.Sprintf("Attaching ephemeral disk to VirtualGuest `%d`", vmInfoDB.VmProperties.Id))
}
}
virtualGuest, err := bslcommon.GetObjectDetailsOnVirtualGuest(c.softLayerClient, vmInfoDB.VmProperties.Id)
if err != nil {
return SoftLayerVM{}, bosherr.WrapErrorf(err, "Cannot get details from virtual guest with id: %d.", virtualGuest.Id)
}
softlayerFileService := NewSoftlayerFileService(util.GetSshClient(), virtualGuest, c.logger, c.uuidGenerator, c.fs)
agentEnvService := c.agentEnvServiceFactory.New(softlayerFileService, strconv.Itoa(virtualGuest.Id))
if len(cloudProps.BoshIp) == 0 {
// update /etc/hosts file of bosh-init vm
c.updateEtcHostsOfBoshInit(fmt.Sprintf("%s %s", virtualGuest.PrimaryBackendIpAddress, virtualGuest.FullyQualifiedDomainName))
// Update mbus url setting for bosh director: construct mbus url with new director ip
mbus, err := c.parseMbusURL(c.agentOptions.Mbus, virtualGuest.PrimaryBackendIpAddress)
if err != nil {
return SoftLayerVM{}, bosherr.WrapErrorf(err, "Cannot construct mbus url.")
}
c.agentOptions.Mbus = mbus
} else {
// Update mbus url setting
mbus, err := c.parseMbusURL(c.agentOptions.Mbus, cloudProps.BoshIp)
if err != nil {
return SoftLayerVM{}, bosherr.WrapErrorf(err, "Cannot construct mbus url.")
}
c.agentOptions.Mbus = mbus
// Update blobstore setting
switch c.agentOptions.Blobstore.Provider {
case BlobstoreTypeDav:
davConf := DavConfig(c.agentOptions.Blobstore.Options)
c.updateDavConfig(&davConf, cloudProps.BoshIp)
}
}
agentEnv := CreateAgentUserData(agentID, cloudProps, networks, env, c.agentOptions)
if err != nil {
return SoftLayerVM{}, bosherr.WrapErrorf(err, "Cannot agent env for virtual guest with id: %d.", virtualGuest.Id)
}
err = agentEnvService.Update(agentEnv)
if err != nil {
return SoftLayerVM{}, bosherr.WrapError(err, "Updating VM's agent env")
}
vm = NewSoftLayerVM(virtualGuest.Id, c.softLayerClient, util.GetSshClient(), agentEnvService, c.logger)
c.logger.Info(SOFTLAYER_VM_CREATOR_LOG_TAG, fmt.Sprintf("Updated in_use flag to 't' for the VM %d in VM pool", vmInfoDB.VmProperties.Id))
vmInfoDB.VmProperties.InUse = "t"
err = vmInfoDB.UpdateVMInfoByID(bslcvmpool.DB_RETRY_TIMEOUT, bslcvmpool.DB_RETRY_INTERVAL)
if err != nil {
return vm, bosherr.WrapError(err, fmt.Sprintf("Failed to query VM info by given ID %d", vm.ID()))
} else {
if len(c.agentOptions.VcapPassword) > 0 {
err = c.SetVcapPassword(vm, virtualGuest, c.agentOptions.VcapPassword)
if err != nil {
return SoftLayerVM{}, bosherr.WrapError(err, "Updating VM's vcap password")
}
}
return vm, nil
}
}
vmInfoDB.VmProperties.InUse = ""
err = vmInfoDB.QueryVMInfobyAgentID(bslcvmpool.DB_RETRY_TIMEOUT, bslcvmpool.DB_RETRY_INTERVAL)
if err != nil {
return SoftLayerVM{}, bosherr.WrapError(err, "Failed to query VM info by given agent ID "+agentID)
}
if vmInfoDB.VmProperties.Id != 0 {
return SoftLayerVM{}, bosherr.WrapError(err, "Wrong in_use status in VM with agent ID "+agentID+", Do not create a new VM")
} else {
return c.CreateNewVM(agentID, stemcell, cloudProps, networks, env)
}
}