ec2.py 文件源码

def get_reservations(module, ec2, tags=None, state=None, zone=None):

    # TODO: filters do not work with tags that have underscores
    filters = dict()

    if tags is not None:

        if type(tags) is str:
            try:
                tags = literal_eval(tags)
            except:
                pass

        # if string, we only care that a tag of that name exists
        if type(tags) is str:
            filters.update({"tag-key": tags})

        # if list, append each item to filters
        if type(tags) is list:
            for x in tags:
                if type(x) is dict:
                    x = _set_none_to_blank(x)
                    filters.update(dict(("tag:"+tn, tv) for (tn,tv) in x.iteritems()))
                else:
                    filters.update({"tag-key": x})

        # if dict, add the key and value to the filter
        if type(tags) is dict:
            tags = _set_none_to_blank(tags)
            filters.update(dict(("tag:"+tn, tv) for (tn,tv) in tags.iteritems()))

    if state:
        # http://stackoverflow.com/questions/437511/what-are-the-valid-instancestates-for-the-amazon-ec2-api
        filters.update({'instance-state-name': state})

    if zone:
        filters.update({'availability-zone': zone})

    results = ec2.get_all_instances(filters=filters)

    return results