onedb: Add 3.0 migrator. It changes the tm_nfs drivers to tm_shared(cherry picked from commit 980222f28eb335ef0c4d66613664f4a99d9148dc)

install.sh

@@ -653,6 +653,7 @@ IMAGE_DRIVER_FS_SCRIPTS="src/image_mad/remotes/fs/cp \
 ONEDB_MIGRATOR_FILES="src/onedb/2.0_to_2.9.80.rb \
                       src/onedb/2.9.80_to_2.9.85.rb \
                       src/onedb/2.9.85_to_2.9.90.rb \
+                      src/onedb/2.9.90_to_3.0.rb \
                       src/onedb/onedb.rb \
                       src/onedb/onedb_backend.rb"
 

src/onedb/2.9.90_to_3.0.rb

@@ -0,0 +1,48 @@
+# -------------------------------------------------------------------------- *
+# Copyright 2002-2011, OpenNebula Project Leads (OpenNebula.org)             #
+# Licensed under the Apache License, Version 2.0 (the "License"); you may    *
+# not use this file except in compliance with the License. You may obtain    *
+# a copy of the License at                                                   *
+#                                                                            *
+# http://www.apache.org/licenses/LICENSE-2.0                                 *
+#                                                                            *
+# Unless required by applicable law or agreed to in writing, software        *
+# distributed under the License is distributed on an "AS IS" BASIS,          *
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.   *
+# See the License for the specific language governing permissions and        *
+# limitations under the License.                                             *
+# -------------------------------------------------------------------------- *
+
+require "rexml/document"
+include REXML
+
+module Migrator
+    def db_version
+        "3.0"
+    end
+
+    def one_version
+        "OpenNebula 3.0"
+    end
+
+    def up
+        # The tm_nfs driver has been renamed to tm_shared
+        # CREATE TABLE host_pool (oid INTEGER PRIMARY KEY, name VARCHAR(256), body TEXT, state INTEGER, last_mon_time INTEGER, UNIQUE(name));
+
+        @db.fetch("SELECT * FROM host_pool") do |row|
+            doc = Document.new(row[:body])
+
+            source = nil
+            doc.root.each_element("TM_MAD") { |e|
+                if e.text.downcase == "tm_nfs"
+                    e.text = "tm_shared"
+
+                    @db[:host_pool].filter(:oid => row[:oid]).update(
+                        :body => doc.root.to_s)
+                end
+            }
+        end
+
+        return true
+    end
+end