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#!/usr/bin/env python
# Licensed under the Apache License, Version 2.0 (the "License"); you may# not use this file except in compliance with the License. You may obtain# a copy of the License at## http://www.apache.org/licenses/LICENSE-2.0## Unless required by applicable law or agreed to in writing, software# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the# License for the specific language governing permissions and limitations# under the License.
import copyimport jsonimport randomimport uuid
from oslo_config import cfgfrom oslo_log import logfrom prettytable import PrettyTableimport requests
from faafo import version
LOG = log.getLogger('faafo.client')CONF = cfg.CONF
def get_random_task(): random.seed()
if CONF.command.width: width = int(CONF.command.width) else: width = random.randint(int(CONF.command.min_width), int(CONF.command.max_width))
if CONF.command.height: height = int(CONF.command.height) else: height = random.randint(int(CONF.command.min_height), int(CONF.command.max_height))
if CONF.command.iterations: iterations = int(CONF.command.iterations) else: iterations = random.randint(int(CONF.command.min_iterations), int(CONF.command.max_iterations))
if CONF.command.xa: xa = float(CONF.command.xa) else: xa = random.uniform(float(CONF.command.min_xa), float(CONF.command.max_xa))
if CONF.command.xb: xb = float(CONF.command.xb) else: xb = random.uniform(float(CONF.command.min_xb), float(CONF.command.max_xb))
if CONF.command.ya: ya = float(CONF.command.ya) else: ya = random.uniform(float(CONF.command.min_ya), float(CONF.command.max_ya))
if CONF.command.yb: yb = float(CONF.command.yb) else: yb = random.uniform(float(CONF.command.min_yb), float(CONF.command.max_yb))
task = { 'uuid': str(uuid.uuid4()), 'width': width, 'height': height, 'iterations': iterations, 'xa': xa, 'xb': xb, 'ya': ya, 'yb': yb }
return task
def do_get_fractal(): LOG.error("command 'download' not yet implemented")
def do_show_fractal(): LOG.info("showing fractal %s" % CONF.command.uuid) result = requests.get("%s/v1/fractal/%s" % (CONF.endpoint_url, CONF.command.uuid)) if result.status_code == 200: data = json.loads(result.text) output = PrettyTable(["Parameter", "Value"]) output.align["Parameter"] = "l" output.align["Value"] = "l" output.add_row(["uuid", data['uuid']]) output.add_row(["duration", "%f seconds" % data['duration']]) output.add_row(["dimensions", "%d x %d pixels" % (data['width'], data['height'])]) output.add_row(["iterations", data['iterations']]) output.add_row(["xa", data['xa']]) output.add_row(["xb", data['xb']]) output.add_row(["ya", data['ya']]) output.add_row(["yb", data['yb']]) output.add_row(["size", "%d bytes" % data['size']]) output.add_row(["checksum", data['checksum']]) output.add_row(["generated_by", data['generated_by']]) print(output) else: LOG.error("fractal '%s' not found" % CONF.command.uuid)
def do_list_fractals(): LOG.info("listing all fractals")
fractals = get_fractals() output = PrettyTable(["UUID", "Dimensions", "Filesize"]) for fractal in fractals: output.add_row([ fractal["uuid"], "%d x %d pixels" % (fractal["width"], fractal["height"]), "%d bytes" % (fractal["size"] or 0), ]) print(output)
def get_fractals(page=1): result = requests.get("%s/v1/fractal?page=%d" % (CONF.endpoint_url, page))
fractals = [] if result.status_code == 200: data = json.loads(result.text) if page < data['total_pages']: fractals = data['objects'] + get_fractals(page + 1) else: return data['objects']
return fractals
def do_delete_fractal(): LOG.info("deleting fractal %s" % CONF.command.uuid) result = requests.delete("%s/v1/fractal/%s" % (CONF.endpoint_url, CONF.command.uuid)) LOG.debug("result: %s" %result)
def do_create_fractal(): random.seed() if CONF.command.tasks: number = int(CONF.command.tasks) else: number = random.randint(int(CONF.command.min_tasks), int(CONF.command.max_tasks)) LOG.info("generating %d task(s)" % number) for i in xrange(0, number): task = get_random_task() LOG.debug("created task %s" % task) # NOTE(berendt): only necessary when using requests < 2.4.2 headers = {'Content-type': 'application/json', 'Accept': 'text/plain'} requests.post("%s/v1/fractal" % CONF.endpoint_url, json.dumps(task), headers=headers)
def add_command_parsers(subparsers): parser = subparsers.add_parser('create') parser.set_defaults(func=do_create_fractal) parser.add_argument("--height", default=None, help="The height of the generate image.") parser.add_argument("--min-height", default=256, help="The minimum height of the generate image.") parser.add_argument("--max-height", default=1024, help="The maximum height of the generate image.") parser.add_argument("--width", default=None, help="The width of the generated image.") parser.add_argument("--min-width", default=256, help="The minimum width of the generated image.") parser.add_argument("--max-width", default=1024, help="The maximum width of the generated image.") parser.add_argument("--iterations", default=None, help="The number of iterations.") parser.add_argument("--min-iterations", default=128, help="The minimum number of iterations.") parser.add_argument("--max-iterations", default=512, help="The maximum number of iterations.") parser.add_argument("--tasks", default=None, help="The number of generated fractals.") parser.add_argument("--min-tasks", default=1, help="The minimum number of generated fractals.") parser.add_argument("--max-tasks", default=10, help="The maximum number of generated fractals.") parser.add_argument("--xa", default=None, help="The value for the parameter 'xa'.") parser.add_argument("--min-xa", default=-1.0, help="The minimum value for the parameter 'xa'.") parser.add_argument("--max-xa", default=-4.0, help="The maximum value for the parameter 'xa'.") parser.add_argument("--xb", default=None, help="The value for the parameter 'xb'.") parser.add_argument("--min-xb", default=1.0, help="The minimum value for the parameter 'xb'.") parser.add_argument("--max-xb", default=4.0, help="The maximum value for the parameter 'xb'.") parser.add_argument("--ya", default=None, help="The value for the parameter 'ya'.") parser.add_argument("--min-ya", default=-0.5, help="The minimum value for the parameter 'ya'.") parser.add_argument("--max-ya", default=-3, help="The maximum value for the parameter 'ya'.") parser.add_argument("--yb", default=None, help="The value for the parameter 'yb'.") parser.add_argument("--min-yb", default=0.5, help="The minimum value for the parameter 'yb'.") parser.add_argument("--max-yb", default=3, help="The maximum value for the parameter 'yb'.")
parser = subparsers.add_parser('delete') parser.set_defaults(func=do_delete_fractal) parser.add_argument("uuid", help="Fractal to delete.")
parser = subparsers.add_parser('show') parser.set_defaults(func=do_show_fractal) parser.add_argument("uuid", help="Fractal to show.")
parser = subparsers.add_parser('get') parser.set_defaults(func=do_get_fractal) parser.add_argument("uuid", help="Fractal to download.")
parser = subparsers.add_parser('list') parser.set_defaults(func=do_list_fractals)
client_commands = cfg.SubCommandOpt('command', title='Commands', help='Show available commands.', handler=add_command_parsers)
CONF.register_cli_opts([client_commands])
client_cli_opts = [ cfg.StrOpt('endpoint-url', default='http://localhost', help='API connection URL')]
CONF.register_cli_opts(client_cli_opts)
if __name__ == '__main__': log.register_options(CONF) log.set_defaults()
CONF(project='client', prog='faafo-client', version=version.version_info.version_string())
log.setup(CONF, 'client', version=version.version_info.version_string())
CONF.command.func()
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