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Viewing changes to hooks/lib/nuage_common.sh

  • Committer: Subbarayudu Mukkamala
  • Date: 2014-10-17 03:50:01 UTC
  • Revision ID: smukkamala@nuagenetworks.net-20141017035001-tjkccm83icjtxoa7
nuage-vsc add virsh utils fixes

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Lines of Context:
hooks/lib/nuage_common.sh
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#!/bin/bash
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LOG_TERMINAL=0
 
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function logger
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{
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    if [ $LOG_TERMINAL -eq 1 ]; then
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    fi
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}
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function check_env
 
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{
 
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    logger "VSP_VM_NAME: ${VSP_VM_NAME}"
 
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    logger "VSP_VM_DIR: ${VSP_VM_DIR}"
 
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    logger "VSP_VM_XML: ${VSP_VM_XML}"
 
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    logger "VSP_VM_IMAGE_NAME: ${VSP_VM_IMAGE_NAME}"
 
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    logger "VSP_VM_ORIG_IMAGE_NAME: ${VSP_VM_ORIG_IMAGE_NAME}"
 
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    logger "VSP_VM_IMAGE_DIR: ${VSP_VM_IMAGE_DIR}"
 
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}
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# Returns 0 if VSP is not running
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function is_vsp_vm_running
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function create_vsp_qemu_img
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{
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    juju-log "Check and create the qemu-img"
 
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    logger "Check and create the qemu-img"
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    is_vsp_vm_running
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    if [ $? -eq 0 ]; then
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        set -e
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        /usr/bin/qemu-img create -f qcow2 -b ${VSP_VM_IMAGE_DIR}/${VSP_VM_ORIG_IMAGE_NAME} ${VSP_VM_IMAGE_DIR}/${VSP_VM_IMAGE_NAME}
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        sudo cp $${VSP_VM_IMAGE_DIR}/${VSP_VM_ORIG_IMAGE_NAME} /var/lib/libvirt/images/${VSP_VM_ORIG_IMAGE_NAME}
 
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        sudo cp ${VSP_VM_IMAGE_DIR}/${VSP_VM_ORIG_IMAGE_NAME} /var/lib/libvirt/images/${VSP_VM_ORIG_IMAGE_NAME}
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        sudo mv ${VSP_VM_IMAGE_DIR}/${VSP_VM_IMAGE_NAME} /var/lib/libvirt/images/${VSP_VM_IMAGE_NAME}
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        set +e
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        juju-log "qemu-img create done"
 
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        logger "qemu-img create done"
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    fi
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}
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# Returns 1 if it was not able to create it
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function create_vsp_vm
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{
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    juju-log "Check if ${VSP_VM_NAME} vm already exists"
 
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    logger "Check if ${VSP_VM_NAME} vm already exists"
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    if [ `/usr/bin/virsh list --all | grep -c ${VSP_VM_NAME}` -eq 1 ]; then
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        juju-log "vsp vm is already created"
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        return 0
 
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        logger "vsp vm is already created"
 
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        return
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    fi
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    create_vsp_qemu_img
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    juju-log "Define vsp vm"
 
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    logger "Define vsp vm"
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    if [ ! -f ${VSP_VM_DIR}/${VSP_VM_XML} ]; then
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        juju-log "Error: ${VSP_VM_NAME} template does not exist"
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        return 1
 
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        logger "Error: ${VSP_VM_NAME} template does not exist"
 
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        exit 1
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    fi
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    /usr/bin/virsh define ${VSP_VM_DIR}/${VSP_VM_XML}
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    if [ "`sudo virsh list --all | awk '/shut off/{print $2}'`" != "${VSP_VM_NAME}" ]; then
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        juju-log "start: unable to define vsp vm"
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        return 1
 
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        logger "start: unable to define vsp vm"
 
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        exit 1
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    fi
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}
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function start_vsp_vm
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{
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    juju-log "Get vsp vm state"
 
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    logger "Get vsp vm state"
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    state="`sudo virsh dominfo ${VSP_VM_NAME} | awk '/State:/' | cut -d: -f 2 | tr -d ' '`"
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    case $state in
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        running)   juju-log "vsp ${VSP_VM_NAME} is already runnning"
 
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        running)   logger "vsp ${VSP_VM_NAME} is already runnning"
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                   ;;
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        shut*)     juju-log "need to start vsp ${VSP_VM_NAME}"
 
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        shut*)     logger "need to start vsp ${VSP_VM_NAME}"
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                   /usr/bin/virsh start ${VSP_VM_NAME}
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                   if [ $? -eq 1 ]; then
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                       juju-log "Error: vsp vm is shutdown but couldn't restart it"
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                       return 1
 
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                       logger "Error: vsp vm is shutdown but couldn't restart it"
 
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                       exit 1
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                   fi
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                   ;;
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        *)         juju-log "Unknown state($state) of vsp ${VSP_VM_NAME}"
 
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        *)         logger "Unknown state($state) of vsp ${VSP_VM_NAME}"
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                   ;;
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    esac
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    return 0
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}
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function stop_vsp_vm
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{
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    juju-log "stop: handling hook"
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    is_vsp_vm_running
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    if [ $? -eq 1 ]; then
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        juju-log "Shutting down vsp vm"
 
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        logger "Shutting down vsp vm"
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        virsh shutdown ${VSP_VM_NAME}
 
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        sleep 5
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    fi
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    sleep 5
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    is_vsp_vm_running
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    if [ $? -eq 1 ]; then
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        juju-log "Destroying vsp vm"
 
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        logger "Destroying vsp vm"
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        /usr/bin/virsh destroy ${VSP_VM_NAME}
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        /usr/bin/virsh undefine ${VSP_VM_NAME}
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    fi