Ejemplo n.º 1
0
func (vm SoftLayerVM) DetachDisk(disk bslcdisk.Disk) error {
	virtualGuest, volume, err := vm.fetchVMandIscsiVolume(vm.ID(), disk.ID())
	if err != nil {
		return bosherr.WrapError(err, fmt.Sprintf("failed in disk `%d` from virtual gusest `%d`", disk.ID(), virtualGuest.Id))
	}

	hasMultiPath, err := vm.hasMulitPathToolBasedOnShellScript(virtualGuest)
	if err != nil {
		return bosherr.WrapError(err, fmt.Sprintf("Failed to get multipath information from virtual guest `%d`", virtualGuest.Id))
	}

	err = vm.detachVolumeBasedOnShellScript(virtualGuest, volume, hasMultiPath)
	if err != nil {
		return bosherr.WrapErrorf(err, "Failed to detach volume with id %d from virtual guest with id: %d.", volume.Id, virtualGuest.Id)
	}

	networkStorageService, err := vm.softLayerClient.GetSoftLayer_Network_Storage_Service()
	if err != nil {
		return bosherr.WrapError(err, "Cannot get network storage service.")
	}

	allowed, err := networkStorageService.HasAllowedVirtualGuest(disk.ID(), vm.ID())
	if err == nil && allowed == true {
		err = networkStorageService.DetachIscsiVolume(virtualGuest, disk.ID())
	}
	if err != nil {
		return bosherr.WrapError(err, fmt.Sprintf("Failed to revoke access of disk `%d` from virtual gusest `%d`", disk.ID(), virtualGuest.Id))
	}

	oldAgentEnv, err := vm.agentEnvService.Fetch()
	if err != nil {
		return bosherr.WrapErrorf(err, "Failed to unmarshal userdata from virutal guest with id: %d.", virtualGuest.Id)
	}

	newAgentEnv := oldAgentEnv.DetachPersistentDisk(strconv.Itoa(disk.ID()))
	err = vm.agentEnvService.Update(newAgentEnv)
	if err != nil {
		return bosherr.WrapError(err, fmt.Sprintf("Configuring userdata on VirtualGuest with id: `%d`", virtualGuest.Id))
	}

	if len(newAgentEnv.Disks.Persistent) == 1 {
		for key, devicePath := range newAgentEnv.Disks.Persistent {
			leftDiskId, err := strconv.Atoi(key)
			if err != nil {
				return bosherr.WrapError(err, fmt.Sprintf("Failed to transfer disk id %s from string to int", key))
			}
			vm.logger.Debug(SOFTLAYER_VM_LOG_TAG, "Left Disk Id %d", leftDiskId)
			vm.logger.Debug(SOFTLAYER_VM_LOG_TAG, "Left Disk device path %s", devicePath)
			virtualGuest, volume, err := vm.fetchVMandIscsiVolume(vm.ID(), leftDiskId)
			if err != nil {
				return bosherr.WrapError(err, fmt.Sprintf("Failed to fetch disk `%d` and virtual gusest `%d`", disk.ID(), virtualGuest.Id))
			}

			_, err = vm.discoveryOpenIscsiTargetsBasedOnShellScript(virtualGuest, volume)
			if err != nil {
				return bosherr.WrapError(err, fmt.Sprintf("Failed to reattach volume `%s` to virtual guest `%d`", key, virtualGuest.Id))
			}

			command := fmt.Sprintf("sleep 5; mount %s-part1 /var/vcap/store", devicePath)
			_, err = vm.sshClient.ExecCommand(ROOT_USER_NAME, vm.getRootPassword(virtualGuest), virtualGuest.PrimaryBackendIpAddress, command)
			if err != nil {
				return bosherr.WrapError(err, "mount /var/vcap/store")
			}
		}
	}

	return nil
}
Ejemplo n.º 2
0
func (vm SoftLayerVM) AttachDisk(disk bslcdisk.Disk) error {

	virtualGuest, volume, err := vm.fetchVMandIscsiVolume(vm.ID(), disk.ID())
	if err != nil {
		return bosherr.WrapError(err, fmt.Sprintf("Failed to fetch disk `%d` and virtual gusest `%d`", disk.ID(), virtualGuest.Id))
	}

	networkStorageService, err := vm.softLayerClient.GetSoftLayer_Network_Storage_Service()
	if err != nil {
		return bosherr.WrapError(err, "Cannot get network storage service.")
	}

	allowed, err := networkStorageService.HasAllowedVirtualGuest(disk.ID(), vm.ID())

	totalTime := time.Duration(0)
	if err == nil && allowed == false {
		for totalTime < bslcommon.TIMEOUT {
			allowable, err := networkStorageService.AttachIscsiVolume(virtualGuest, disk.ID())
			if err != nil {
				if !strings.Contains(err.Error(), "HTTP error code") {
					return bosherr.WrapError(err, fmt.Sprintf("Granting volume access to vitrual guest %d", virtualGuest.Id))
				}
			} else {
				if allowable {
					break
				}
			}

			totalTime += bslcommon.POLLING_INTERVAL
			time.Sleep(bslcommon.POLLING_INTERVAL)
		}
	}
	if totalTime >= bslcommon.TIMEOUT {
		return bosherr.Error("Waiting for grantting access to virutal guest TIME OUT!")
	}

	hasMultiPath, err := vm.hasMulitPathToolBasedOnShellScript(virtualGuest)
	if err != nil {
		return bosherr.WrapError(err, fmt.Sprintf("Failed to get multipath information from virtual guest `%d`", virtualGuest.Id))
	}

	deviceName, err := vm.waitForVolumeAttached(virtualGuest, volume, hasMultiPath)
	if err != nil {
		return bosherr.WrapError(err, fmt.Sprintf("Failed to attach volume `%d` to virtual guest `%d`", disk.ID(), virtualGuest.Id))
	}

	oldAgentEnv, err := vm.agentEnvService.Fetch()
	if err != nil {
		return bosherr.WrapErrorf(err, "Failed to unmarshal userdata from virutal guest with id: %d.", virtualGuest.Id)
	}

	var newAgentEnv AgentEnv
	if hasMultiPath {
		newAgentEnv = oldAgentEnv.AttachPersistentDisk(strconv.Itoa(disk.ID()), "/dev/mapper/"+deviceName)
	} else {
		newAgentEnv = oldAgentEnv.AttachPersistentDisk(strconv.Itoa(disk.ID()), "/dev/"+deviceName)
	}

	err = vm.agentEnvService.Update(newAgentEnv)
	if err != nil {
		return bosherr.WrapError(err, fmt.Sprintf("Configuring userdata on VirtualGuest with id: `%d`", virtualGuest.Id))
	}

	return nil
}