Current Kaminario K2 driver only supports iSCSI multipathing using discovery (sendtargets), which in some cases may be undesirable, since a broken primary path could prevent an attachment. This code adds the possibility of not using discovery mode and return all connection information when `initialize_connection` is called, which should provide increased reliability. Change-Id: I7932b1d952844b49cfdb504ed0ba188b489d7f44 (cherry picked from commitc9ec9b9bd7) (cherry picked from commit7bcb2ff94c)
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