Github user mike-tutkowski commented on a diff in the pull request:
https://github.com/apache/cloudstack/pull/816#discussion_r62545797
--- Diff:
engine/api/src/org/apache/cloudstack/engine/subsystem/api/storage/HypervisorHostListener.java
---
@@ -21,7 +21,13 @@
import com.cloud.exception.StorageConflictException;
public interface HypervisorHostListener {
+ boolean hostAdded(long hostId);
+
boolean hostConnect(long hostId, long poolId) throws
StorageConflictException;
boolean hostDisconnected(long hostId, long poolId);
+
+ boolean hostAboutToBeRemoved(long hostId);
--- End diff --
This event was added specifically to address hypervisors like VMware that
need to be told to remove iSCSI targets.
Those kind of hypervisor hosts need to be notified to do this before the
host is removed because CloudStack can no longer talk to those hosts once
they're in the Removed state.
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