[PATCH 4/6] Create VMs asynchronously: Backend

Signed-off-by: Christy Perez <christy@linux.vnet.ibm.com> --- src/kimchi/control/vms.py | 4 ++-- src/kimchi/model/vms.py | 27 ++++++++++++++++++++++++--- 2 files changed, 26 insertions(+), 5 deletions(-) diff --git a/src/kimchi/control/vms.py b/src/kimchi/control/vms.py index 6352a26..a40b56e 100644 --- a/src/kimchi/control/vms.py +++ b/src/kimchi/control/vms.py @@ -17,13 +17,13 @@ # License along with this library; if not, write to the Free Software # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA -from kimchi.control.base import Collection, Resource +from kimchi.control.base import AsyncCollection, Resource from kimchi.control.utils import internal_redirect, UrlSubNode from kimchi.control.vm import sub_nodes @UrlSubNode('vms', True) -class VMs(Collection): +class VMs(AsyncCollection): def __init__(self, model): super(VMs, self).__init__(model) self.resource = VM diff --git a/src/kimchi/model/vms.py b/src/kimchi/model/vms.py index 5f8c3da..9786063 100644 --- a/src/kimchi/model/vms.py +++ b/src/kimchi/model/vms.py @@ -79,9 +79,9 @@ def __init__(self, **kargs): self.conn = kargs['conn'] self.objstore = kargs['objstore'] self.caps = CapabilitiesModel(**kargs) + self.task = TaskModel(**kargs) def create(self, params): - conn = self.conn.get() t_name = template_name_from_uri(params['template']) vm_uuid = str(uuid.uuid4()) vm_list = self.get_list() @@ -102,7 +102,26 @@ def create(self, params): raise InvalidOperation("KCHVM0005E") t.validate() + taskid = add_task(u'/vms/%s' % name, + self._create_task, self.objstore, + {'vm_uuid': vm_uuid, 'template': t, 'name': name}) + + return self.task.lookup(taskid) + + def _create_task(self, cb, params): + """ + params: A dict with the following values: + - vm_uuid: The UUID of the VM being created + - template: The template being used to create the VM + - name: The name for the new VM + """ + + vm_uuid = params['vm_uuid'] + t = params['template'] + name = params['name'] + conn = self.conn.get() + cb('Storing VM icon') # Store the icon for displaying later icon = t.info.get('icon') if icon: @@ -117,6 +136,7 @@ def create(self, params): # If storagepool is SCSI, volumes will be LUNs and must be passed by # the user from UI or manually. + cb('Provisioning storage for new VM') vol_list = [] if t._get_storage_type() not in ["iscsi", "scsi"]: vol_list = t.fork_vm_storage(vm_uuid) @@ -128,6 +148,7 @@ def create(self, params): graphics=graphics, volumes=vol_list) + cb('Defining new VM') try: conn.defineXML(xml.encode('utf-8')) except libvirt.libvirtError as e: @@ -138,10 +159,10 @@ def create(self, params): raise OperationFailed("KCHVM0007E", {'name': name, 'err': e.get_error_message()}) + cb('Updating VM metadata') VMModel.vm_update_os_metadata(VMModel.get_vm(name, self.conn), t.info, self.caps.metadata_support) - - return name + cb('OK', True) def get_list(self): return VMsModel.get_vms(self.conn) -- 2.1.0
participants (1)
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Christy Perez