Github user bhaisaab commented on a diff in the pull request:
https://github.com/apache/cloudstack/pull/1365#discussion_r58906447
--- Diff:
utils/src/main/java/org/apache/cloudstack/utils/volume/VirtualMachineDiskInfo.java
---
@@ -39,4 +38,11 @@ public void setDiskDeviceBusName(String
diskDeviceBusName) {
public void setDiskChain(String[] diskChain) {
this.diskChain = diskChain;
}
+
+ public String getControllerFromDeviceBusName() {
+ if (StringUtils.isEmpty(diskDeviceBusName) ||
!diskDeviceBusName.contains(":")) {
+ return null;
--- End diff --
In either case, we'll need to do a comparison to check if the string is
null or empty. Returning an empty string might cover up potential functional
issues, while NPEs are bad but can expose the issue without hiding it.
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