Re: [ovirt-users] Ovirt Python SDK adding a directlun

On 05/08/2014 11:37 PM, Gary Lloyd wrote: > When I add direct Luns this way the size shows as <1 on the GUI and 0 when called from the rest api. All the other items mentioned are not present. > > Thanks > Ah, I understand. This is probably related to the fact that you aren't creating a storage domain, only the storage connection. This should work correctly, but I guess that either the GUI or the backend aren't completely prepared for this. I'm checking.

>> On 8 May 2014, at 18:05, Juan Hernandez <jhernand(a)redhat.com&gt; wrote: >> >>> On 05/08/2014 05:04 PM, Gary Lloyd wrote: >>> >>> We are working on a script so that we can create an ISCSI LUN on our SAN >>> and then directly assign it to a vm. >>> >>> We have been able to get it to work but with one small annoyance. I >>> can't figure out how to populate size,serial,vendor_id and product_id >>> via the api. Would anyone be able to point me in the right direction ? >>> code (see def add_disk): >>> >>> def get_clusterid(cluster_name): >>> cluster = ovirt_api.clusters.get(cluster_name) >>> try: >>> return cluster.id <http://cluster.id> >>> except: >>> logging.error('the cluster: %s does not appear to exist' % >>> cluster_name ) >>> sys.exit(1) >>> >>> def nominate_host(cluster_id): >>> for host in ovirt_api.hosts.list(): >>> if host.cluster.id <http://host.cluster.id> == cluster_id and >>> host.status.state == 'up': >>> host.iscsidiscover >>> return host >>> logging.error('could not find a suitable host to nominate in cluster:') >>> sys.exit(1) >>> >>> >>> def iscsi_discover_and_login(cluster,target,portal,chap_user,chap_pass): >>> clusterid=get_clusterid(cluster) >>> host=nominate_host(clusterid) >>> >>> iscsidet = params.IscsiDetails() >>> iscsidet.address=portal >>> iscsidet.username=chap_user >>> iscsidet.password=chap_pass >>> iscsidet.target=target >>> >>> host.iscsidiscover(params.Action(iscsi=iscsidet)) >>> result = host.iscsilogin(params.Action(iscsi=iscsidet)) >>> >>> if result.status.state == 'complete': >>> >>> storecon = params.StorageConnection() >>> storecon.address=portal >>> storecon.type_='iscsi' >>> storecon.port=3260 >>> storecon.target=target >>> storecon.username=chap_user >>> storecon.password=chap_pass >>> >>> ovirt_api.storageconnections.add(storecon) >>> >>> return result >>> # error checking code needs to be added to this function >>> >>> def add_disk(vm_name,wwid,target,size,portal): >>> >>> logunit = params.LogicalUnit() >>> logunit.id <http://logunit.id>=wwid >>> logunit.vendor_id='EQLOGIC' >>> logunit.product_id='100E-00' >>> logunit.port=3260 >>> logunit.lun_mapping=0 >>> logunit.address=portal >>> logunit.target=target >>> logunit.size=size * 1073741824 >>> >>> stor = params.Storage(logical_unit=[logunit]) >>> stor.type_='iscsi' >>> >>> >>> disk = params.Disk() >>> disk.alias = 'vm-' + vm_name >>> disk.name <http://disk.name> = disk.alias >>> disk.interface = 'virtio' >>> disk.bootable = True >>> disk.type_ = 'iscsi' >>> disk.format='raw' >>> disk.set_size(size * 1073741824) >>> #disk.size=size * 1073741824 >>> #disk.active=True >>> >>> disk.lun_storage=stor >>> >>> try: >>> result = ovirt_api.disks.add(disk) >>> except: >>> logging.error('Could not add disk') >>> sys.exit(1) >>> >>> attachdisk=ovirt_api.disks.get(disk.alias) >>> attachdisk.active = True >>> >>> try: >>> ovirt_api.vms.get(vm_name).disks.add(attachdisk) >>> except: >>> logging.error('Could attach disk to vm') >>> sys.exit(1) >>> >>> return result >>> >>> >>> >>> If we could just get the size to show correctly that would be enough, >>> the others don't really matter to me. >>> >>> >>> Thanks >>> >>> /Gary Lloyd/ >> >> For a direct LUN disk all these values are ready only. Why do you need >> to change them? >> >> -- >> Dirección Comercial: C/Jose Bardasano Baos, 9, Edif. Gorbea 3, planta >> 3ºD, 28016 Madrid, Spain >> Inscrita en el Reg. Mercantil de Madrid – C.I.F. B82657941 - Red Hat S.L. > _______________________________________________ > Users mailing list > Users(a)ovirt.org > http://lists.ovirt.org/mailman/listinfo/users >