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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 copy
import json
import random
import uuid
from oslo_config import cfg
from oslo_log import log
from prettytable import PrettyTable
import 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()