DaanHoogland commented on a change in pull request #3154: Copy template to
target KVM host if needed when migrating local <> local storage
URL: https://github.com/apache/cloudstack/pull/3154#discussion_r251757894
##########
File path:
engine/storage/datamotion/src/main/java/org/apache/cloudstack/storage/motion/StorageSystemDataMotionStrategy.java
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@@ -1859,14 +1861,21 @@ protected void setVolumePath(VolumeVO volume) {
volume.setPath(volume.get_iScsiName());
}
+ /**
+ * For this strategy it is not necessary to check and migrate the
template; however, classes that extend this one may need to check if the
template is on the target storage pool (and if not then migrate) before
migrating the VM.
+ */
+ protected void migrateTemplateToTargetFilesystemStorageIfNeeded(VolumeInfo
srcVolumeInfo, DataStore destDataStore, StoragePool destStoragePool, Host
destHost) {
+ // This method is used by classes that extend this one
Review comment:
I am wary of this pattern. Can you explain why you implemented it this way?
It seems you are implementing a pattern for genericity while already knowing it
is only applicable for localstorage.
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