diff options
Diffstat (limited to 'core/modules/qemu/runvirt-plugin-qemu/src/main/java/org/openslx/runvirt/plugin/qemu/cmdln/CommandLineArgs.java')
| -rw-r--r-- | core/modules/qemu/runvirt-plugin-qemu/src/main/java/org/openslx/runvirt/plugin/qemu/cmdln/CommandLineArgs.java | 511 |
1 files changed, 511 insertions, 0 deletions
diff --git a/core/modules/qemu/runvirt-plugin-qemu/src/main/java/org/openslx/runvirt/plugin/qemu/cmdln/CommandLineArgs.java b/core/modules/qemu/runvirt-plugin-qemu/src/main/java/org/openslx/runvirt/plugin/qemu/cmdln/CommandLineArgs.java new file mode 100644 index 00000000..589dd197 --- /dev/null +++ b/core/modules/qemu/runvirt-plugin-qemu/src/main/java/org/openslx/runvirt/plugin/qemu/cmdln/CommandLineArgs.java @@ -0,0 +1,511 @@ +package org.openslx.runvirt.plugin.qemu.cmdln; + +import java.util.ArrayList; +import java.util.Arrays; +import java.util.List; + +import org.apache.commons.cli.CommandLine; +import org.apache.commons.cli.CommandLineParser; +import org.apache.commons.cli.DefaultParser; +import org.apache.commons.cli.HelpFormatter; +import org.apache.commons.cli.Option; +import org.apache.commons.cli.Options; +import org.apache.commons.cli.ParseException; + +/** + * Command line argument parser for the run-virt QEMU plugin (command line tool). + * + * @author Manuel Bentele + * @version 1.0 + */ +public class CommandLineArgs +{ + /** + * Parser for parsing command line arguments. + */ + private CommandLineParser cmdLnParser = null; + + /** + * Stores specified command line options. + */ + private Options cmdLnOptions = null; + + /** + * Stores the parsed command line arguments. + */ + private CommandLine cmdLn = null; + + /** + * Creates a new command line argument parser for the run-virt QEMU plugin. + * + * @implNote Please call {@link CommandLineArgs#parseCmdLnArgs(String[])} manually after + * obtaining the command line argument parser from this method. + */ + public CommandLineArgs() + { + this.createCmdLnParser(); + this.createCmdLnOptions(); + } + + /** + * Creates a new command line argument parser for the run-virt QEMU plugin and parses the command + * line arguments. + * + * @param args command line arguments submitted to the application. + * + * @throws CommandLineArgsException parsing of command line arguments failed. + */ + public CommandLineArgs( String[] args ) throws CommandLineArgsException + { + this(); + this.parseCmdLnArgs( args ); + } + + /** + * Creates a new parser and empty command line options for parsing command line arguments. + */ + private void createCmdLnParser() + { + this.cmdLnParser = new DefaultParser(); + this.cmdLnOptions = new Options(); + } + + /** + * Creates command line options specified by {@link CmdLnOption}. + */ + private void createCmdLnOptions() + { + for ( CmdLnOption option : CmdLnOption.values() ) { + final Option cmdlnOption; + + final boolean hasArg = ( option.getNumArguments() > 0 ) ? true : false; + cmdlnOption = new Option( option.getShortOption(), option.getLongOption(), hasArg, option.getDescription() ); + cmdlnOption.setValueSeparator( ',' ); + cmdlnOption.setArgs( option.getNumArguments() ); + + this.cmdLnOptions.addOption( cmdlnOption ); + } + } + + /** + * Prints command line help for the current application. + * + * @param appName name of the current application. + * @param header header for the command line help. + * @param footer footer for the command line help. + */ + public void printHelp( String appName, String header, String footer ) + { + HelpFormatter formatter = new HelpFormatter(); + formatter.setLeftPadding( 2 ); + formatter.printHelp( appName, header, this.cmdLnOptions, footer, true ); + } + + /** + * Parses command line arguments from a given argument {@link String}. + * + * @param args command line arguments submitted to the application. + * + * @throws CommandLineArgsException parsing of command line arguments failed. + */ + public void parseCmdLnArgs( String[] args ) throws CommandLineArgsException + { + try { + this.cmdLn = this.cmdLnParser.parse( this.cmdLnOptions, args ); + } catch ( ParseException e ) { + throw new CommandLineArgsException( e.getLocalizedMessage() ); + } + } + + /** + * Returns the parsed argument of the specified command line option. + * + * @param cmdLnOption command line option for that the parsed argument should be returned. + * @return parsed argument of the command line option. + */ + public String getArgument( CmdLnOption cmdLnOption ) + { + return this.cmdLn.getOptionValue( cmdLnOption.getShortOption() ); + } + + /** + * Returns the parsed arguments of the specified command line option. + * + * @param cmdLnOption command line option for that the parsed arguments should be returned. + * @return parsed argument of the command line option. + */ + public String[] getArguments( CmdLnOption cmdLnOption ) + { + return this.cmdLn.getOptionValues( cmdLnOption.getShortOption() ); + } + + /** + * Returns the presence of the command line option {@link CmdLnOption#HELP}. + * + * @return presence of the command line option {@link CmdLnOption#HELP}. + */ + public boolean isHelpAquired() + { + return this.cmdLn.hasOption( CmdLnOption.HELP.getShortOption() ); + } + + /** + * Returns the state of the command line option {@link CmdLnOption#DEBUG}. + * + * @return state of the command line option {@link CmdLnOption#DEBUG}. + */ + public boolean isDebugEnabled() + { + final String debugArg = this.getArgument( CmdLnOption.DEBUG ); + return ( "true".equals( debugArg ) ) ? true : false; + } + + /** + * Returns the argument of the command line option {@link CmdLnOption#VM_CFGINP}. + * + * @return argument of the command line option {@link CmdLnOption#VM_CFGINP}. + */ + public String getVmCfgInpFileName() + { + return this.getArgument( CmdLnOption.VM_CFGINP ); + } + + /** + * Returns the argument of the command line option {@link CmdLnOption#VM_CFGOUT}. + * + * @return argument of the command line option {@link CmdLnOption#VM_CFGOUT}. + */ + public String getVmCfgOutFileName() + { + return this.getArgument( CmdLnOption.VM_CFGOUT ); + } + + /** + * Returns the argument of the command line option {@link CmdLnOption#VM_NAME}. + * + * @return argument of the command line option {@link CmdLnOption#VM_NAME}. + */ + public String getVmName() + { + return this.getArgument( CmdLnOption.VM_NAME ); + } + + /** + * Returns the argument of the command line option {@link CmdLnOption#VM_UUID}. + * + * @return argument of the command line option {@link CmdLnOption#VM_UUID}. + */ + public String getVmUuid() + { + return this.getArgument( CmdLnOption.VM_UUID ); + } + + /** + * Returns the argument of the command line option {@link CmdLnOption#VM_DSPLNAME}. + * + * @return argument of the command line option {@link CmdLnOption#VM_DSPLNAME}. + */ + public String getVmDisplayName() + { + return this.getArgument( CmdLnOption.VM_DSPLNAME ); + } + + /** + * Returns the argument of the command line option {@link CmdLnOption#VM_OS}. + * + * @return argument of the command line option {@link CmdLnOption#VM_OS}. + */ + public String getVmOperatingSystem() + { + return this.getArgument( CmdLnOption.VM_OS ); + } + + /** + * Returns the argument of the command line option {@link CmdLnOption#VM_NCPUS}. + * + * @return argument of the command line option {@link CmdLnOption#VM_NCPUS}. + */ + public int getVmNumCpus() + { + final String numCpuArg = this.getArgument( CmdLnOption.VM_NCPUS ); + int numCpus = 0; + + if ( numCpuArg != null ) { + numCpus = Integer.parseInt( numCpuArg ); + } + + return numCpus; + } + + /** + * Returns the argument of the command line option {@link CmdLnOption#VM_MEM}. + * + * @return argument of the command line option {@link CmdLnOption#VM_MEM}. + */ + public String getVmMemory() + { + return this.getArgument( CmdLnOption.VM_MEM ); + } + + /** + * Returns the argument of the command line option {@link CmdLnOption#VM_HDD0}. + * + * @return argument of the command line option {@link CmdLnOption#VM_HDD0}. + */ + public String getVmDiskFileNameHDD0() + { + return this.getArgument( CmdLnOption.VM_HDD0 ); + } + + /** + * Returns the argument of the command line option {@link CmdLnOption#VM_FLOPPY0}. + * + * @return argument of the command line option {@link CmdLnOption#VM_FLOPPY0}. + */ + public String getVmDiskFileNameFloppy0() + { + return this.getArgument( CmdLnOption.VM_FLOPPY0 ); + } + + /** + * Returns the argument of the command line option {@link CmdLnOption#VM_FLOPPY1}. + * + * @return argument of the command line option {@link CmdLnOption#VM_FLOPPY1}. + */ + public String getVmDiskFileNameFloppy1() + { + return this.getArgument( CmdLnOption.VM_FLOPPY1 ); + } + + /** + * Returns the argument of the command line option {@link CmdLnOption#VM_CDROM0}. + * + * @return argument of the command line option {@link CmdLnOption#VM_CDROM0}. + */ + public String getVmDiskFileNameCdrom0() + { + return this.getArgument( CmdLnOption.VM_CDROM0 ); + } + + /** + * Returns the argument of the command line option {@link CmdLnOption#VM_CDROM1}. + * + * @return argument of the command line option {@link CmdLnOption#VM_CDROM1}. + */ + public String getVmDiskFileNameCdrom1() + { + return this.getArgument( CmdLnOption.VM_CDROM1 ); + } + + /** + * Returns the argument of the command line option {@link CmdLnOption#VM_PARALLEL0}. + * + * @return argument of the command line option {@link CmdLnOption#VM_SERIAL0}. + */ + public String getVmDeviceParallel0() + { + return this.getArgument( CmdLnOption.VM_PARALLEL0 ); + } + + /** + * Returns the argument of the command line option {@link CmdLnOption#VM_SERIAL0}. + * + * @return argument of the command line option {@link CmdLnOption#VM_SERIAL0}. + */ + public String getVmDeviceSerial0() + { + return this.getArgument( CmdLnOption.VM_SERIAL0 ); + } + + /** + * Returns the argument of the command line option {@link CmdLnOption#VM_MAC0}. + * + * @return argument of the command line option {@link CmdLnOption#VM_MAC0}. + */ + public String getVmMacAddress0() + { + return this.getArgument( CmdLnOption.VM_MAC0 ); + } + + /** + * Returns the argument of the command line option {@link CmdLnOption#VM_FSSRC0}. + * + * @return argument of the command line option {@link CmdLnOption#VM_FSSRC0}. + */ + public String getVmFsSrc0() + { + return this.getArgument( CmdLnOption.VM_FSSRC0 ); + } + + /** + * Returns the argument of the command line option {@link CmdLnOption#VM_FSTGT0}. + * + * @return argument of the command line option {@link CmdLnOption#VM_FSTGT0}. + */ + public String getVmFsTgt0() + { + return this.getArgument( CmdLnOption.VM_FSTGT0 ); + } + + /** + * Returns the argument of the command line option {@link CmdLnOption#VM_FSSRC1}. + * + * @return argument of the command line option {@link CmdLnOption#VM_FSSRC1}. + */ + public String getVmFsSrc1() + { + return this.getArgument( CmdLnOption.VM_FSSRC1 ); + } + + /** + * Returns the argument of the command line option {@link CmdLnOption#VM_FSTGT1}. + * + * @return argument of the command line option {@link CmdLnOption#VM_FSTGT1}. + */ + public String getVmFsTgt1() + { + return this.getArgument( CmdLnOption.VM_FSTGT1 ); + } + + /** + * Returns the argument of the command line option {@link CmdLnOption#VM_NVGPUIDS0}. + * + * @return argument of the command line option {@link CmdLnOption#VM_NVGPUIDS0}. + */ + public List<String> getVmNvGpuIds0() + { + final String[] nvidiaPciIdsRaw = this.getArguments( CmdLnOption.VM_NVGPUIDS0 ); + final ArrayList<String> nvidiaPciIds; + + if ( nvidiaPciIdsRaw == null || nvidiaPciIdsRaw.length <= 0 ) { + nvidiaPciIds = new ArrayList<String>(); + } else { + nvidiaPciIds = new ArrayList<String>( Arrays.asList( nvidiaPciIdsRaw ) ); + } + + return nvidiaPciIds; + } + + /** + * Returns the state whether a passthrough of a NVIDIA GPU is required. + * + * @return state whether a passthrough of a NVIDIA GPU is required. + */ + public boolean isNvidiaGpuPassthroughEnabled() + { + return this.getVmNvGpuIds0().size() > 0; + } + + /** + * Command line options for the run-virt QEMU plugin (command line tool). + * + * @author Manuel Bentele + * @version 1.0 + */ + public enum CmdLnOption + { + // @formatter:off + HELP ( 'h', "help", 0, "" ), + DEBUG ( 'b', "debug", 1, "Enable or disable debug mode" ), + VM_CFGINP ( 'i', "vmcfginp", 1, "File name of an existing and filtered Libvirt domain XML configuration file" ), + VM_CFGOUT ( 'o', "vmcfgout", 1, "File name to output a finalized Libvirt domain XML configuration file" ), + VM_NAME ( 'n', "vmname", 1, "Name for the virtual machine" ), + VM_UUID ( 'u', "vmuuid", 1, "UUID for the virtual machine" ), + VM_DSPLNAME ( 'd', "vmdsplname", 1, "Display name for the virtual machine" ), + VM_OS ( 's', "vmos", 1, "Operating system running in the virtual machine" ), + VM_NCPUS ( 'c', "vmncpus", 1, "Number of virtual CPUs for the virtual machine" ), + VM_MEM ( 'm', "vmmem", 1, "Amount of memory for the virtual machine" ), + VM_HDD0 ( 'r', "vmhdd0", 1, "Disk image for the first HDD device" ), + VM_FLOPPY0 ( 'f', "vmfloppy0", 1, "Disk image for the first floppy drive" ), + VM_FLOPPY1 ( 'g', "vmfloppy1", 1, "Disk image for the second floppy drive" ), + VM_CDROM0 ( 'k', "vmcdrom0", 1, "Disk image for the first CDROM drive" ), + VM_CDROM1 ( 'l', "vmcdrom1", 1, "Disk image for the second CDROM drive" ), + VM_PARALLEL0( 'p', "vmparallel0", 1, "Device for the first parallel port interface" ), + VM_SERIAL0 ( 'q', "vmserial0", 1, "Device for the first serial port interface" ), + VM_MAC0 ( 'a', "vmmac0", 1, "MAC address for the first network interface" ), + VM_FSSRC0 ( 't', "vmfssrc0", 1, "Source directory for first file system passthrough (shared folder)" ), + VM_FSTGT0 ( 'e', "vmfstgt0", 1, "Target directory for first file system passthrough (shared folder)" ), + VM_FSSRC1 ( 'v', "vmfssrc1", 1, "Source directory for second file system passthrough (shared folder)" ), + VM_FSTGT1 ( 'w', "vmfstgt1", 1, "Target directory for second file system passthrough (shared folder)" ), + VM_NVGPUIDS0( 'y', "vmnvgpuids0", 2, "PCI device description and address for passthrough of the first Nvidia GPU. " + + "The argument follow the pattern: " + + "\"<VENDOR ID>:<PRODUCT ID>,<PCI DOMAIN>:<PCI DEVICE>:<PCI DEVICE>.<PCI FUNCTION>\"" ); + // @formatter:on + + /** + * Stores the {@link Character} of the short command line option. + */ + private final char shortOption; + + /** + * Stores the {@link String} of the long command line option. + */ + private final String longOption; + + /** + * Stores the number of arguments for the command line option. + */ + private final int numArguments; + + /** + * Stores the textual description of the command line option. + */ + private final String description; + + /** + * Creates a new command line option for the run-virt QEMU plugin (command line tool). + * + * @param shortOption {@link Character} for the short command line option. + * @param longOption {@link String} for the long command line option. + * @param numArguments number of arguments for the command line option. + * @param description textual description of the command line option. + */ + CmdLnOption( char shortOption, String longOption, int numArguments, String description ) + { + this.shortOption = shortOption; + this.longOption = longOption; + this.numArguments = numArguments; + this.description = description; + } + + /** + * Returns the {@link Character} of the short command line option. + * + * @return {@link Character} of the short command line option. + */ + public String getShortOption() + { + return Character.toString( this.shortOption ); + } + + /** + * Returns the {@link String} of the long command line option. + * + * @return {@link String} of the long command line option. + */ + public String getLongOption() + { + return this.longOption; + } + + /** + * Returns the number of arguments for the command line option. + * + * @return number of arguments for the command line option. + */ + public int getNumArguments() + { + return this.numArguments; + } + + /** + * Returns the textual description of the command line option. + * + * @return textual description of the command line option. + */ + public String getDescription() + { + return this.description; + } + } +} |