rafaelweingartner commented on a change in pull request #2518:
CLOUDSTACK-10348: Don't specify cache mode for empty cdrom device
URL: https://github.com/apache/cloudstack/pull/2518#discussion_r178522730
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File path:
plugins/hypervisors/kvm/src/com/cloud/hypervisor/kvm/resource/LibvirtVMDef.java
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@@ -819,8 +819,12 @@ public String toString() {
diskBuilder.append(" type='" + _diskType + "'");
diskBuilder.append(">\n");
if(qemuDriver) {
- diskBuilder.append("<driver name='qemu'" + " type='" +
_diskFmtType
- + "' cache='" + _diskCacheMode + "' ");
+ if (_deviceType == DeviceType.CDROM && _sourcePath == null) {
Review comment:
What about extracting this bit of code that appends the disk information to
a XML to a method called? Then, it is possible to further document it (when the
cache mode is used and why it is not used sometimes), and of course it would
enable us to unit test this logic of creating the disk entry.
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