M #-: Clean up in the vCenter drivers

- Remove useless detach_disk content
- Use dummy.sh for prereconfigure

(cherry picked from commit efcbe93914f1888988f3fc971568ccc219548fd2)

src/vmm_mad/remotes/vcenter/detach_disk

@@ -1,4 +1,4 @@
-#!/usr/bin/env ruby
+#!/bin/sh
 
 # -------------------------------------------------------------------------- #
 # Copyright 2002-2019, OpenNebula Project, OpenNebula Systems                #
@@ -16,41 +16,8 @@
 # limitations under the License.                                             #
 #--------------------------------------------------------------------------- #
 
-ONE_LOCATION ||= ENV['ONE_LOCATION']
+# Detach disk functionality is implemented in src/tm_mad/vcenter/delete
 
-if !ONE_LOCATION
-    RUBY_LIB_LOCATION ||= '/usr/lib/one/ruby'
-    GEMS_LOCATION     ||= '/usr/share/one/gems'
-else
-    RUBY_LIB_LOCATION ||= ONE_LOCATION + '/lib/ruby'
-    GEMS_LOCATION     ||= ONE_LOCATION + '/share/gems'
-end
+STDIN=`cat -`
 
-$LOAD_PATH << RUBY_LIB_LOCATION
-$LOAD_PATH << File.dirname(__FILE__)
-
-require 'vcenter_driver'
-
-vm_ref           = ARGV[0]
-vc_cluster_name  = ARGV[-1]
-
-drv_action = OpenNebula::XMLElement.new
-drv_action.initialize_xml(Base64.decode64(STDIN.read), 'VMM_DRIVER_ACTION_DATA')
-
-host_id = drv_action['VM/HISTORY_RECORDS/HISTORY/HID']
-
-begin
-    vi_client = VCenterDriver::VIClient.new_from_host(host_id)
-
-    VCenterDriver::VirtualMachine.new_without_id(vi_client, vm_ref)
-rescue StandardError => e
-    message = "Detach DISK for VM #{vm_ref} on vCenter cluster " \
-              "#{vc_cluster_name} failed due to \"#{e.message}\"."
-    OpenNebula.log_error(message)
-    if VCenterDriver::CONFIG[:debug_information]
-        STDERR.puts "#{message} #{e.backtrace}"
-    end
-    exit(-1)
-ensure
-    vi_client.close_connection if vi_client
-end
+exit 0

src/vmm_mad/remotes/vcenter/prereconfigure

@@ -1,21 +0,0 @@
-#!/bin/sh
-
-# -------------------------------------------------------------------------- #
-# Copyright 2002-2019, OpenNebula Project, OpenNebula Systems                #
-#                                                                            #
-# 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.                                             #
-#--------------------------------------------------------------------------- #
-
-STDIN=`cat -`
-
-exit 0

src/vmm_mad/remotes/vcenter/prereconfigure

@@ -0,0 +1 @@
+../common/dummy.sh