def get_instances(ids=None, state=None, tags=None, filters=None):
''' Get ec2 instances based on filters. '''
# apply filters based on arguments
filter_list = []
if state:
filter_list.append({'Name': 'instance-state-name', 'Values': utils.str_to_list(state)})
if tags:
utils.add_tag_filters(tags, filter_list)
if filters:
utils.add_filters(filters, filter_list)
# build collection filter arguments
kwargs = {}
if filter_list:
kwargs['Filters'] = filter_list
if ids:
kwargs['InstanceIds'] = utils.str_to_list(ids)
#return a collection of ec2 instances
return CONN.instances.filter(**kwargs)
def get_snapshots(owner_id, snapshot_ids=None, volume_ids=None, status=None, tags=None):
''' Get ec2 snapshots based on filters '''
# apply filters based on arguments
filter_list = []
filter_list.append({'Name': 'owner-id', 'Values': utils.str_to_list(owner_id)})
if volume_ids:
filter_list.append({'Name': 'volume-id', 'Values': utils.str_to_list(volume_ids)})
if status:
filter_list.append({'Name': 'status', 'Values': utils.str_to_list(status)})
if tags:
utils.add_tag_filters(tags, filter_list)
kwargs = {}
if filter_list:
kwargs['Filters'] = filter_list
if snapshot_ids:
kwargs['SnapshotIds'] = utils.str_to_list(snapshot_ids)
#return a collection of ec2 snapshots
return CONN.snapshots.filter(**kwargs)
def get_amis(owner_ids, image_ids=None, tags=None, state=None, filters=None):
''' get AMIs based on filters '''
# apply filters based on arguments
filter_list = []
if state:
filter_list.append({'Name': 'state', 'Values': utils.str_to_list(state)})
if tags:
utils.add_tag_filters(tags, filter_list)
if filters:
utils.add_filters(filters, filter_list)
# build collection filter arguments
kwargs = {}
if filter_list:
kwargs['Filters'] = filter_list
if image_ids:
kwargs['ImageIds'] = utils.str_to_list(image_ids)
if owner_ids:
kwargs['Owners'] = utils.str_to_list(owner_ids)
#return a collection of ec2 instances
return CONN.images.filter(**kwargs)