HBASE-3512 Shell support for listing currently loaded coprocessors

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1188444 13f79535-47bb-0310-9956-ffa450edef68

CHANGES.txt

@@ -397,6 +397,8 @@ Release 0.92.0 - Unreleased
    HBASE-4578  NPE when altering a table that has moving regions (gaojinchao)
    HBASE-4070  Improve region server metrics to report loaded coprocessors to
                master (Eugene Koontz via apurtell)
+   HBASE-3512  Shell support for listing currently loaded coprocessors (Eugene
+               Koontz via apurtell)
 
   TESTS
    HBASE-4450  test for number of blocks read: to serve as baseline for expected

src/main/ruby/hbase/admin.rb

@@ -386,6 +386,10 @@ module Hbase
         for k, v in status.getRegionsInTransition()
           puts("    %s" % [v])
         end
+        master_coprocs = java.util.Arrays.toString(@admin.getMasterCoprocessors())
+        if master_coprocs != nil
+          puts("master coprocessors: %s" % master_coprocs)
+        end
         puts("%d live servers" % [ status.getServersSize() ])
         for server in status.getServers()
           puts("    %s:%d %d" % \