[one-users] Equallogic premigrate script

[Javier Fontan]

Thanks a lot for the contribution! I've added the script to the
community wiki [1]. Feel free to log in the wiki and change anything
or add any information you may find useful.

Cheers


[1] http://wiki.opennebula.org/iscsi_dell_equallogic

On Thu, Dec 27, 2012 at 3:05 PM, Francesco Camisa
<francesco.camisa at policlinicosanmarco.it> wrote:
> I'm using ON 3.8.1. KVM is the hypervisor.
>
> I customized the premigrate script to login the iscsi target before initiating a live migration.
>
> It's a work-in-progress since at least it has to be modified to iterate in case there are multiple targets.
>
> #!/bin/bash
>
> # -------------------------------------------------------------------------- #
> # Copyright 2002-2012, 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.                                             #
> #--------------------------------------------------------------------------- #
> # PREMIGRATE SOURCE DST remote_system_dir vmid dsid template
> #  - SOURCE is the host where the VM is running
> #  - DST is the host where the VM is to be migrated
> #  - remote_system_dir is the path for the VM home in the system datastore
> #  - vmid is the id of the VM
> #  - dsid is the target datastore
> #  - template is the template of the VM in XML and base64 encoded
>
> # To access the vm_template you can use the xpath.rb utility. Check the
> # datastore drivers for an example.
>
> DST=$1
> SRC=$2
> RSD=$3
> VMID=$4
> DSID=$5
> TMPL=$6
>
> if [ -z "${ONE_LOCATION}" ]; then
>     TMCOMMON=/var/lib/one/remotes/tm/tm_common.sh
> else
>     TMCOMMON=$ONE_LOCATION/var/remotes/tm/tm_common.sh
> fi
>
> . $TMCOMMON
>
> DRIVER_PATH=$(dirname $0)
>
> source ${DRIVER_PATH}/../../datastore/iscsi/iscsi.conf
>
> TARGET_HOST=192.168.10.2
> IQN=$(onevm show $VMID|grep SOURCE|cut -f2 -d "\""|cut -f1 -d "\"")
>
> DISCOVER_CMD=$(cat <<EOF
>     set -e
>     $SUDO $(iscsiadm_discovery "$TARGET_HOST")
>     $SUDO $(iscsiadm_login "$IQN" "$TARGET_HOST")
>     sleep 10
> EOF
> )
>
> ssh_exec_and_log "$DST" "$DISCOVER_CMD" \
>         "Error registering $DST_HOST:$DEV"
> exit 0
>
>
>
>
> Francesco Camisa
> Vice Direttore Generale
> Policlinico San Marco
> via Zanotto 40
> 30173 Mestre-VE
> Italy
> _______________________________________________
> Users mailing list
> Users at lists.opennebula.org
> http://lists.opennebula.org/listinfo.cgi/users-opennebula.org



-- 
Javier Fontán Muiños
Project Engineer
OpenNebula - The Open Source Toolkit for Data Center Virtualization
www.OpenNebula.org | jfontan at opennebula.org | @OpenNebula