Fixes api fails to unpack metadata using cinder
Fixes api fails to unpack metadata using cinder

Fix for bug 1023027

Change-Id: I2d19f461f3734518717b8b54d9d3428b75a2a44d

blueboxgroup/nova,petrutlucian94/nova_dev,whitepages/nova,sridevikoushik31/openstack,JioCloud/nova_test_latest,tudorvio/nova,shail2810/nova,mahak/nova,CiscoSystems/nova,saleemjaveds/https-github.com-openstack-nova,shahar-stratoscale/nova,zhimin711/nova,blueboxgroup/nova,savi-dev/nova,rickerc/nova_audit,ruslanloman/nova,luogangyi/bcec-nova,leilihh/novaha,zaina/nova,qwefi/nova,BeyondTheClouds/nova,rahulunair/nova,cyx1231st/nova,TieWei/nova,Tehsmash/nova,shahar-stratoscale/nova,eharney/nova,maoy/zknova,devendermishrajio/nova,Stavitsky/nova,devendermishrajio/nova_test_latest,SUSE-Cloud/nova,badock/nova,mahak/nova,isyippee/nova,akash1808/nova,belmiromoreira/nova,maelnor/nova,mmnelemane/nova,cernops/nova,tangfeixiong/nova,redhat-openstack/nova,Metaswitch/calico-nova,dstroppa/openstack-smartos-nova-grizzly,zhimin711/nova,Juniper/nova,isyippee/nova,dstroppa/openstack-smartos-nova-grizzly,yosshy/nova,thomasem/nova,vmturbo/nova,imsplitbit/nova,tianweizhang/nova,plumgrid/plumgrid-nova,jianghuaw/nova,dstroppa/openstack-smartos-nova-grizzly,badock/nova,watonyweng/nova,affo/nova,sebrandon1/nova,rajalokan/nova,dawnpower/nova,rickerc/nova_audit,mandeepdhami/nova,savi-dev/nova,berrange/nova,eayunstack/nova,raildo/nova,klmitch/nova,sridevikoushik31/openstack,leilihh/novaha,petrutlucian94/nova_dev,JioCloud/nova,jianghuaw/nova,sridevikoushik31/openstack,ewindisch/nova,eonpatapon/nova,ruslanloman/nova,tianweizhang/nova,Stavitsky/nova,NeCTAR-RC/nova,shootstar/novatest,orbitfp7/nova,CEG-FYP-OpenStack/scheduler,usc-isi/nova,kimjaejoong/nova,viggates/nova,apporc/nova,petrutlucian94/nova,vladikr/nova_drafts,tudorvio/nova,Yuriy-Leonov/nova,double12gzh/nova,fajoy/nova,spring-week-topos/nova-week,bclau/nova,hanlind/nova,alvarolopez/nova,bigswitch/nova,maheshp/novatest,alexandrucoman/vbox-nova-driver,edulramirez/nova,TwinkleChawla/nova,sridevikoushik31/nova,leilihh/nova,yatinkumbhare/openstack-nova,openstack/nova,aristanetworks/arista-ovs-nova,MountainWei/nova,mandeepdhami/nova,shail2810/nova,fnordahl/nova,LoHChina/nova,cyx1231st/nova,CCI-MOC/nova,Francis-Liu/animated-broccoli,DirectXMan12/nova-hacking,sacharya/nova,tanglei528/nova,cloudbau/nova,yatinkumbhare/openstack-nova,Yusuke1987/openstack_template,scripnichenko/nova,Triv90/Nova,mgagne/nova,gspilio/nova,rrader/nova-docker-plugin,akash1808/nova_test_latest,Triv90/Nova,Yuriy-Leonov/nova,JioCloud/nova_test_latest,redhat-openstack/nova,Francis-Liu/animated-broccoli,thomasem/nova,phenoxim/nova,joker946/nova,j-carpentier/nova,apporc/nova,aristanetworks/arista-ovs-nova,alaski/nova,belmiromoreira/nova,Triv90/Nova,sridevikoushik31/nova,sridevikoushik31/nova,JianyuWang/nova,NeCTAR-RC/nova,JianyuWang/nova,leilihh/nova,NewpTone/stacklab-nova,maheshp/novatest,mikalstill/nova,tealover/nova,Brocade-OpenSource/OpenStack-DNRM-Nova,imsplitbit/nova,silenceli/nova,berrange/nova,paulmathews/nova,klmitch/nova,bgxavier/nova,maelnor/nova,Juniper/nova,CEG-FYP-OpenStack/scheduler,raildo/nova,CloudServer/nova,eharney/nova,zzicewind/nova,CCI-MOC/nova,affo/nova,CloudServer/nova,NewpTone/stacklab-nova,cloudbase/nova,savi-dev/nova,varunarya10/nova_test_latest,ntt-sic/nova,sebrandon1/nova,citrix-openstack-build/nova,cernops/nova,rahulunair/nova,spring-week-topos/nova-week,saleemjaveds/https-github.com-openstack-nova,TieWei/nova,NoBodyCam/TftpPxeBootBareMetal,barnsnake351/nova,vmturbo/nova,hanlind/nova,vmturbo/nova,Brocade-OpenSource/OpenStack-DNRM-Nova,alvarolopez/nova,Yusuke1987/openstack_template,klmitch/nova,BeyondTheClouds/nova,jeffrey4l/nova,ted-gould/nova,watonyweng/nova,jeffrey4l/nova,usc-isi/nova,angdraug/nova,Juniper/nova,virtualopensystems/nova,whitepages/nova,rrader/nova-docker-plugin,iuliat/nova,cloudbase/nova,NoBodyCam/TftpPxeBootBareMetal,adelina-t/nova,yrobla/nova,j-carpentier/nova,maoy/zknova,jianghuaw/nova,devendermishrajio/nova,houshengbo/nova_vmware_compute_driver,OpenAcademy-OpenStack/nova-scheduler,Metaswitch/calico-nova,tealover/nova,phenoxim/nova,cernops/nova,aristanetworks/arista-ovs-nova,LoHChina/nova,dims/nova,houshengbo/nova_vmware_compute_driver,zaina/nova,gooddata/openstack-nova,yosshy/nova,TwinkleChawla/nova,cloudbase/nova-virtualbox,iuliat/nova,mmnelemane/nova,eonpatapon/nova,takeshineshiro/nova,scripnichenko/nova,BeyondTheClouds/nova,nikesh-mahalka/nova,rajalokan/nova,felixma/nova,JioCloud/nova,takeshineshiro/nova,akash1808/nova,felixma/nova,gooddata/openstack-nova,sacharya/nova,bclau/nova,tanglei528/nova,fnordahl/nova,usc-isi/nova,openstack/nova,OpenAcademy-OpenStack/nova-scheduler,sebrandon1/nova,alexandrucoman/vbox-nova-driver,Juniper/nova,barnsnake351/nova,projectcalico/calico-nova,ted-gould/nova,cloudbase/nova,noironetworks/nova,luogangyi/bcec-nova,klmitch/nova,noironetworks/nova,maheshp/novatest,citrix-openstack-build/nova,kimjaejoong/nova,NewpTone/stacklab-nova,cloudbau/nova,paulmathews/nova,houshengbo/nova_vmware_compute_driver,qwefi/nova,dawnpower/nova,alaski/nova,jianghuaw/nova,joker946/nova,angdraug/nova,eayunstack/nova,zzicewind/nova,edulramirez/nova,Tehsmash/nova,virtualopensystems/nova,orbitfp7/nova,double12gzh/nova,fajoy/nova,paulmathews/nova,NoBodyCam/TftpPxeBootBareMetal,devoid/nova,rajalokan/nova,silenceli/nova,rajalokan/nova,plumgrid/plumgrid-nova,gspilio/nova,tangfeixiong/nova,mahak/nova,projectcalico/calico-nova,bgxavier/nova,mgagne/nova,shootstar/novatest,devendermishrajio/nova_test_latest,gooddata/openstack-nova,SUSE-Cloud/nova,gspilio/nova,rahulunair/nova,yrobla/nova,sridevikoushik31/nova,DirectXMan12/nova-hacking,adelina-t/nova,fajoy/nova,openstack/nova,ewindisch/nova,ntt-sic/nova,petrutlucian94/nova,vmturbo/nova,hanlind/nova,MountainWei/nova,cloudbase/nova-virtualbox,maoy/zknova,devoid/nova,bigswitch/nova,vladikr/nova_drafts,DirectXMan12/nova-hacking,gooddata/openstack-nova,CiscoSystems/nova,nikesh-mahalka/nova,yrobla/nova,viggates/nova,mikalstill/nova,dims/nova,akash1808/nova_test_latest,mikalstill/nova,varunarya10/nova_test_latest