kvm: remove unnecessary new String (#4870)

Thanks @rubieHess to point it out.
see #4800 (comment)
This commit is contained in:
Wei Zhou 2021-04-04 09:38:29 +02:00 committed by GitHub
parent 2cdde8774b
commit 09428380f7
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GPG Key ID: 4AEE18F83AFDEB23
4 changed files with 24 additions and 18 deletions

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@ -4264,8 +4264,8 @@ public class LibvirtComputingResource extends ServerResourceBase implements Serv
QemuImg qemu = new QemuImg(timeout);
try{
Map<String, String> info = qemu.info(file);
String backingFilePath = info.get(new String("backing_file"));
String backingFileFormat = info.get(new String("backing_file_format"));
String backingFilePath = info.get(QemuImg.BACKING_FILE);
String backingFileFormat = info.get(QemuImg.BACKING_FILE_FORMAT);
if (org.apache.commons.lang.StringUtils.isNotBlank(backingFilePath)
&& org.apache.commons.lang.StringUtils.isBlank(backingFileFormat)) {
// VMs which are created in CloudStack 4.14 and before cannot be started or migrated
@ -4274,7 +4274,7 @@ public class LibvirtComputingResource extends ServerResourceBase implements Serv
s_logger.info("Setting backing file format of " + volPath);
QemuImgFile backingFile = new QemuImgFile(backingFilePath);
Map<String, String> backingFileinfo = qemu.info(backingFile);
String backingFileFmt = backingFileinfo.get(new String("file_format"));
String backingFileFmt = backingFileinfo.get(QemuImg.FILE_FORMAT);
qemu.rebase(file, backingFile, backingFileFmt, false);
}
} catch (QemuImgException e) {

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@ -809,7 +809,7 @@ public class LibvirtStorageAdaptor implements StorageAdaptor {
try{
qemu.create(destFile, options);
Map<String, String> info = qemu.info(destFile);
virtualSize = Long.parseLong(info.get(new String("virtual_size")));
virtualSize = Long.parseLong(info.get(QemuImg.VIRTUAL_SIZE));
actualSize = new File(destFile.getFileName()).length();
} catch (QemuImgException e) {
s_logger.error("Failed to create " + volPath +
@ -1287,7 +1287,7 @@ public class LibvirtStorageAdaptor implements StorageAdaptor {
srcFile = new QemuImgFile(sourcePath, sourceFormat);
try {
Map<String, String> info = qemu.info(srcFile);
String backingFile = info.get(new String("backing_file"));
String backingFile = info.get(QemuImg.BACKING_FILE);
// qcow2 templates can just be copied into place
if (sourceFormat.equals(destFormat) && backingFile == null && sourcePath.endsWith(".qcow2")) {
String result = Script.runSimpleBashScript("cp -f " + sourcePath + " " + destPath, timeout);
@ -1299,7 +1299,7 @@ public class LibvirtStorageAdaptor implements StorageAdaptor {
try {
qemu.convert(srcFile, destFile);
Map<String, String> destInfo = qemu.info(destFile);
Long virtualSize = Long.parseLong(destInfo.get(new String("virtual_size")));
Long virtualSize = Long.parseLong(destInfo.get(QemuImg.VIRTUAL_SIZE));
newDisk.setVirtualSize(virtualSize);
newDisk.setSize(virtualSize);
} catch (QemuImgException e) {

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@ -28,6 +28,12 @@ import com.cloud.utils.script.OutputInterpreter;
import com.cloud.utils.script.Script;
public class QemuImg {
public final static String BACKING_FILE = "backing_file";
public final static String BACKING_FILE_FORMAT = "backing_file_format";
public final static String CLUSTER_SIZE = "cluster_size";
public final static String FILE_FORMAT = "file_format";
public final static String IMAGE = "image";
public final static String VIRTUAL_SIZE = "virtual_size";
/* The qemu-img binary. We expect this to be in $PATH */
public String _qemuImgPath = "qemu-img";

View File

@ -51,10 +51,10 @@ public class QemuImgTest {
fail("We didn't get any information back from qemu-img");
}
Long infoSize = Long.parseLong(info.get(new String("virtual_size")));
Long infoSize = Long.parseLong(info.get(QemuImg.VIRTUAL_SIZE));
assertEquals(Long.valueOf(size), Long.valueOf(infoSize));
String infoPath = info.get(new String("image"));
String infoPath = info.get(QemuImg.IMAGE);
assertEquals(filename, infoPath);
File f = new File(filename);
@ -78,13 +78,13 @@ public class QemuImgTest {
qemu.create(file, options);
Map<String, String> info = qemu.info(file);
Long infoSize = Long.parseLong(info.get(new String("virtual_size")));
Long infoSize = Long.parseLong(info.get(QemuImg.VIRTUAL_SIZE));
assertEquals(Long.valueOf(size), Long.valueOf(infoSize));
String infoPath = info.get(new String("image"));
String infoPath = info.get(QemuImg.IMAGE);
assertEquals(filename, infoPath);
String infoClusterSize = info.get(new String("cluster_size"));
String infoClusterSize = info.get(QemuImg.CLUSTER_SIZE);
assertEquals(clusterSize, infoClusterSize);
File f = new File(filename);
@ -135,7 +135,7 @@ public class QemuImgTest {
fail("We didn't get any information back from qemu-img");
}
Long infoSize = Long.parseLong(info.get(new String("virtual_size")));
Long infoSize = Long.parseLong(info.get(QemuImg.VIRTUAL_SIZE));
assertEquals(Long.valueOf(endSize), Long.valueOf(infoSize));
} catch (QemuImgException e) {
fail(e.getMessage());
@ -164,7 +164,7 @@ public class QemuImgTest {
fail("We didn't get any information back from qemu-img");
}
Long infoSize = Long.parseLong(info.get(new String("virtual_size")));
Long infoSize = Long.parseLong(info.get(QemuImg.VIRTUAL_SIZE));
assertEquals(Long.valueOf(startSize + increment), Long.valueOf(infoSize));
} catch (QemuImgException e) {
fail(e.getMessage());
@ -192,7 +192,7 @@ public class QemuImgTest {
fail("We didn't get any information back from qemu-img");
}
Long infoSize = Long.parseLong(info.get(new String("virtual_size")));
Long infoSize = Long.parseLong(info.get(QemuImg.VIRTUAL_SIZE));
assertEquals(Long.valueOf(startSize + increment), Long.valueOf(infoSize));
} catch (QemuImgException e) {
fail(e.getMessage());
@ -255,7 +255,7 @@ public class QemuImgTest {
fail("We didn't get any information back from qemu-img");
}
String backingFile = info.get(new String("backing_file"));
String backingFile = info.get(QemuImg.BACKING_FILE);
if (backingFile == null) {
fail("The second file does not have a property backing_file! Create failed?");
}
@ -303,10 +303,10 @@ public class QemuImgTest {
Map<String, String> info = qemu.info(destFile);
PhysicalDiskFormat infoFormat = PhysicalDiskFormat.valueOf(info.get(new String("format")).toUpperCase());
PhysicalDiskFormat infoFormat = PhysicalDiskFormat.valueOf(info.get(QemuImg.FILE_FORMAT).toUpperCase());
assertEquals(destFormat, infoFormat);
Long infoSize = Long.parseLong(info.get(new String("virtual_size")));
Long infoSize = Long.parseLong(info.get(QemuImg.VIRTUAL_SIZE));
assertEquals(Long.valueOf(srcSize), Long.valueOf(infoSize));
File sf = new File(srcFileName);
@ -316,4 +316,4 @@ public class QemuImgTest {
df.delete();
}
}
}