Fix PowerStore iSCSI targets filtering

If PowerStore ports are configured for multiple purposes
(iSCSI, Replication, etc.) driver will report that no accessible
iSCSI targets found because of the wrong REST filter.

Closes-Bug: #1920729
Change-Id: I1175d68466ac069e90ecaeef51ec6adb444241d3
(cherry picked from commit f0abdefed7)
(cherry picked from commit 80adbda09c)

cinder/volume/drivers/dell_emc/powerstore/client.py

@@ -384,7 +384,7 @@ class PowerStoreClient(object):
             "/ip_pool_address",
             params={
                 "appliance_id": "eq.%s" % appliance_id,
-                "purposes": "eq.{Storage_Iscsi_Target}",
+                "purposes": "cs.{Storage_Iscsi_Target}",
                 "select": "address,ip_port(target_iqn)"
 
             }

cinder/volume/drivers/dell_emc/powerstore/driver.py

@@ -38,9 +38,12 @@ class PowerStoreDriver(driver.VolumeDriver):
       Version history:
         1.0.0 - Initial version
         1.0.1 - Add CHAP support
+        1.0.2 - Fix iSCSI targets not being returned from the REST API call if
+                targets are used for multiple purposes
+                (iSCSI target, Replication target, etc.)
     """
 
-    VERSION = "1.0.1"
+    VERSION = "1.0.2"
     VENDOR = "Dell EMC"
 
     # ThirdPartySystems wiki page

releasenotes/notes/bug-1920729-powerstore-iscsi-targets-filtering-9623ac03da5c6721.yaml

@@ -0,0 +1,8 @@
+---
+fixes:
+  - |
+    PowerStore driver `Bug #1920729
+    <https://bugs.launchpad.net/cinder/+bug/1920729>`_: Fix
+    iSCSI targets not being returned from the REST API call if
+    targets are used for multiple purposes
+    (iSCSI target, Replication target, etc.).