diff options
Diffstat (limited to 'core/modules/qemu/runvirt-plugin-qemu/src/main/java/org/openslx/runvirt/plugin/qemu/configuration/TransformationGenericDiskStorageDevices.java')
| -rw-r--r-- | core/modules/qemu/runvirt-plugin-qemu/src/main/java/org/openslx/runvirt/plugin/qemu/configuration/TransformationGenericDiskStorageDevices.java | 49 |
1 files changed, 45 insertions, 4 deletions
diff --git a/core/modules/qemu/runvirt-plugin-qemu/src/main/java/org/openslx/runvirt/plugin/qemu/configuration/TransformationGenericDiskStorageDevices.java b/core/modules/qemu/runvirt-plugin-qemu/src/main/java/org/openslx/runvirt/plugin/qemu/configuration/TransformationGenericDiskStorageDevices.java index ca71f7a3..30c26cae 100644 --- a/core/modules/qemu/runvirt-plugin-qemu/src/main/java/org/openslx/runvirt/plugin/qemu/configuration/TransformationGenericDiskStorageDevices.java +++ b/core/modules/qemu/runvirt-plugin-qemu/src/main/java/org/openslx/runvirt/plugin/qemu/configuration/TransformationGenericDiskStorageDevices.java @@ -10,16 +10,53 @@ import org.openslx.virtualization.configuration.VirtualizationConfigurationQemuU import org.openslx.virtualization.configuration.transformation.TransformationException; import org.openslx.virtualization.configuration.transformation.TransformationGeneric; +/** + * Generic storage device (HDD, SSD, ...) transformation for Libvirt/QEMU virtualization + * configurations. + * + * @author Manuel Bentele + * @version 1.0 + */ public class TransformationGenericDiskStorageDevices extends TransformationGeneric<Domain, CommandLineArgs> { - private static final String FILTER_NAME = "Disk storage devices [HDD, SSD, ...]"; + /** + * Name of the configuration transformation. + */ + private static final String NAME = "Disk storage devices [HDD, SSD, ...]"; + /** + * Creates a new storage device (HDD, SSD, ...) transformation for Libvirt/QEMU virtualization + * configurations. + */ public TransformationGenericDiskStorageDevices() { - super( TransformationGenericDiskStorageDevices.FILTER_NAME ); + super( TransformationGenericDiskStorageDevices.NAME ); } - private void filterDiskStorageDevice( Domain config, String fileName, int index ) throws TransformationException + /** + * Validates a virtualization configuration and input arguments for this transformation. + * + * @param config virtualization configuration for the validation. + * @param args input arguments for the validation. + * @throws TransformationException validation has failed. + */ + private void validateInputs( Domain config, CommandLineArgs args ) throws TransformationException + { + if ( config == null || args == null ) { + throw new TransformationException( "Virtualization configuration or input arguments are missing!" ); + } + } + + /** + * Transforms a storage device in a virtualization configuration selected by its {@code index}. + * + * @param config virtualization configuration for the transformation. + * @param fileName name of the image file for the storage device. + * @param index number of the storage device in the virtualization configuration that is + * selected. + * @throws TransformationException transformation has failed. + */ + private void transformDiskStorageDevice( Domain config, String fileName, int index ) throws TransformationException { final ArrayList<DiskStorage> devices = config.getDiskStorageDevices(); final DiskStorage disk = VirtualizationConfigurationQemuUtils.getArrayIndex( devices, index ); @@ -38,7 +75,11 @@ public class TransformationGenericDiskStorageDevices extends TransformationGener @Override public void transform( Domain config, CommandLineArgs args ) throws TransformationException { - this.filterDiskStorageDevice( config, args.getVmDiskFileNameHDD0(), 0 ); + // validate configuration and input arguments + this.validateInputs( config, args ); + + // alter storage device + this.transformDiskStorageDevice( config, args.getVmDiskFileNameHDD0(), 0 ); // remove all additional disk storage devices final ArrayList<DiskStorage> devices = config.getDiskStorageDevices(); |