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author | Jonathan Bauer | 2021-06-25 14:55:08 +0200 |
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committer | Jonathan Bauer | 2021-06-25 14:55:08 +0200 |
commit | 09f9b20ae36bbbff9e303c52d2a8f2a034cd4f1e (patch) | |
tree | 75f018f5ad995d286de930f0a0c450ab8a208f4b /core/modules/qemu/runvirt-plugin-qemu/src/main/java/org/openslx/runvirt/plugin/qemu/configuration/TransformationGenericDiskFloppyDevices.java | |
parent | Merge branch 'master' into installer (diff) | |
parent | [clientrequest] add remote debugging modul from Christoph Schulthess (diff) | |
download | mltk-09f9b20ae36bbbff9e303c52d2a8f2a034cd4f1e.tar.gz mltk-09f9b20ae36bbbff9e303c52d2a8f2a034cd4f1e.tar.xz mltk-09f9b20ae36bbbff9e303c52d2a8f2a034cd4f1e.zip |
Merge branch 'master' into installer
Diffstat (limited to 'core/modules/qemu/runvirt-plugin-qemu/src/main/java/org/openslx/runvirt/plugin/qemu/configuration/TransformationGenericDiskFloppyDevices.java')
-rw-r--r-- | core/modules/qemu/runvirt-plugin-qemu/src/main/java/org/openslx/runvirt/plugin/qemu/configuration/TransformationGenericDiskFloppyDevices.java | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/core/modules/qemu/runvirt-plugin-qemu/src/main/java/org/openslx/runvirt/plugin/qemu/configuration/TransformationGenericDiskFloppyDevices.java b/core/modules/qemu/runvirt-plugin-qemu/src/main/java/org/openslx/runvirt/plugin/qemu/configuration/TransformationGenericDiskFloppyDevices.java new file mode 100644 index 00000000..fe3d3c34 --- /dev/null +++ b/core/modules/qemu/runvirt-plugin-qemu/src/main/java/org/openslx/runvirt/plugin/qemu/configuration/TransformationGenericDiskFloppyDevices.java @@ -0,0 +1,104 @@ +package org.openslx.runvirt.plugin.qemu.configuration; + +import java.util.ArrayList; + +import org.openslx.libvirt.domain.Domain; +import org.openslx.libvirt.domain.device.Disk.BusType; +import org.openslx.libvirt.domain.device.Disk.StorageType; +import org.openslx.libvirt.domain.device.DiskFloppy; +import org.openslx.runvirt.plugin.qemu.cmdln.CommandLineArgs; +import org.openslx.virtualization.configuration.VirtualizationConfigurationQemuUtils; +import org.openslx.virtualization.configuration.transformation.TransformationException; +import org.openslx.virtualization.configuration.transformation.TransformationGeneric; + +/** + * Generic floppy drive transformation for Libvirt/QEMU virtualization configurations. + * + * @author Manuel Bentele + * @version 1.0 + */ +public class TransformationGenericDiskFloppyDevices extends TransformationGeneric<Domain, CommandLineArgs> +{ + /** + * Name of the configuration transformation. + */ + private static final String NAME = "Disk floppy devices"; + + /** + * Creates a new floppy drive transformation for Libvirt/QEMU virtualization configurations. + */ + public TransformationGenericDiskFloppyDevices() + { + super( TransformationGenericDiskFloppyDevices.NAME ); + } + + /** + * 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 floppy drive 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 floppy drive. + * @param index number of the floppy drive in the virtualization configuration that is selected. + * @throws TransformationException transformation has failed. + */ + private void transformDiskFloppyDevice( Domain config, String fileName, int index ) throws TransformationException + { + final ArrayList<DiskFloppy> devices = config.getDiskFloppyDevices(); + final DiskFloppy disk = VirtualizationConfigurationQemuUtils.getArrayIndex( devices, index ); + + if ( disk == null ) { + if ( fileName != null ) { + // floppy device does not exist, so create new floppy device + final DiskFloppy newDisk = config.addDiskFloppyDevice(); + newDisk.setBusType( BusType.FDC ); + String targetDevName = VirtualizationConfigurationQemuUtils.createAlphabeticalDeviceName( "fd", index ); + newDisk.setTargetDevice( targetDevName ); + + if ( fileName.isEmpty() ) { + newDisk.removeStorage(); + } else { + newDisk.setStorage( StorageType.FILE, fileName ); + } + } + } else { + // floppy device exists, so update existing floppy device + if ( fileName == null ) { + disk.remove(); + } else if ( fileName.isEmpty() ) { + disk.removeStorage(); + } else { + disk.setStorage( StorageType.FILE, fileName ); + } + } + } + + @Override + public void transform( Domain config, CommandLineArgs args ) throws TransformationException + { + // validate configuration and input arguments + this.validateInputs( config, args ); + + // alter floppy drives + this.transformDiskFloppyDevice( config, args.getVmDiskFileNameFloppy0(), 0 ); + this.transformDiskFloppyDevice( config, args.getVmDiskFileNameFloppy1(), 1 ); + + // remove all additional disk storage devices + final ArrayList<DiskFloppy> devices = config.getDiskFloppyDevices(); + for ( int i = 2; i < devices.size(); i++ ) { + devices.get( i ).remove(); + } + } +} |