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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,153 @@ | ||
| #!/usr/bin/env python | ||
| """Executable Python script for testing the action proxy. | ||
| /* | ||
| * Licensed to the Apache Software Foundation (ASF) under one or more | ||
| * contributor license agreements. See the NOTICE file distributed with | ||
| * this work for additional information regarding copyright ownership. | ||
| * The ASF licenses this file to You 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. | ||
| */ | ||
| This script is useful for testing the action proxy (or its derivatives) | ||
| by simulating invoker interactions. Use it in combination with | ||
| docker run <image> which starts up the action proxy. | ||
| Example: | ||
| docker run -i -t -p 8080:8080 dockerskeleton # locally built images may be referenced without a tag | ||
| ./invoke.py init <action source file> | ||
| ./invoke.py run '{"some":"json object as a string"}' | ||
| For additional help, try ./invoke.py -h | ||
| """ | ||
|
|
||
| import os | ||
| import re | ||
| import sys | ||
| import json | ||
| import base64 | ||
| import requests | ||
| import codecs | ||
| import argparse | ||
| try: | ||
| import argcomplete | ||
| except ImportError: | ||
| argcomplete = False | ||
|
|
||
| def main(): | ||
| try: | ||
| args = parseArgs() | ||
| exitCode = { | ||
| 'init' : init, | ||
| 'run' : run | ||
| }[args.cmd](args) | ||
| except Exception as e: | ||
| print(e) | ||
| exitCode = 1 | ||
| sys.exit(exitCode) | ||
|
|
||
| def dockerHost(): | ||
| dockerHost = 'localhost' | ||
| if 'DOCKER_HOST' in os.environ: | ||
| try: | ||
| dockerHost = re.compile('tcp://(.*):[\d]+').findall(os.environ['DOCKER_HOST'])[0] | ||
| except Exception: | ||
| print('cannot determine docker host from %s' % os.environ['DOCKER_HOST']) | ||
| sys.exit(-1) | ||
| return dockerHost | ||
|
|
||
| def containerRoute(args, path): | ||
| return 'http://%s:%s/%s' % (args.host, args.port, path) | ||
|
|
||
| class objectify(object): | ||
| def __init__(self, d): | ||
| self.__dict__ = d | ||
|
|
||
| def parseArgs(): | ||
| parser = argparse.ArgumentParser(description='initialize and run an OpenWhisk action container') | ||
| parser.add_argument('-v', '--verbose', help='verbose output', action='store_true') | ||
| parser.add_argument('--host', help='action container host', default=dockerHost()) | ||
| parser.add_argument('-p', '--port', help='action container port number', default=8080, type=int) | ||
|
|
||
| subparsers = parser.add_subparsers(title='available commands', dest='cmd') | ||
|
|
||
| initmenu = subparsers.add_parser('init', help='initialize container with src or zip/tgz file') | ||
| initmenu.add_argument('-b', '--binary', help='treat artifact as binary', action='store_true') | ||
| initmenu.add_argument('-r', '--run', nargs='?', default=None, help='run after init') | ||
| initmenu.add_argument('main', nargs='?', default='main', help='name of the "main" entry method for the action') | ||
| initmenu.add_argument('artifact', help='a source file or zip/tgz archive') | ||
| initmenu.add_argument('env', nargs='?', help='the environment variables to export to the action, either a reference to a file or an inline JSON object', default=None) | ||
|
|
||
| runmenu = subparsers.add_parser('run', help='send arguments to container to run action') | ||
| runmenu.add_argument('payload', nargs='?', help='the arguments to send to the action, either a reference to a file or an inline JSON object', default=None) | ||
|
|
||
| if argcomplete: | ||
| argcomplete.autocomplete(parser) | ||
| return parser.parse_args() | ||
|
|
||
| def init(args): | ||
| main = args.main | ||
| artifact = args.artifact | ||
|
|
||
| if artifact and (args.binary or artifact.endswith('.zip') or artifact.endswith('tgz') or artifact.endswith('jar')): | ||
| with open(artifact, 'rb') as fp: | ||
| contents = fp.read() | ||
| contents = str(base64.b64encode(contents), 'utf-8') | ||
| binary = True | ||
| elif artifact != '': | ||
| with(codecs.open(artifact, 'r', 'utf-8')) as fp: | ||
| contents = fp.read() | ||
| binary = False | ||
| else: | ||
| contents = None | ||
| binary = False | ||
|
|
||
| r = requests.post( | ||
| containerRoute(args, 'init'), | ||
| json = { | ||
| "value": { | ||
| "code": contents, | ||
| "binary": binary, | ||
| "main": main, | ||
| "env": processPayload(args.env) | ||
| } | ||
| }) | ||
|
|
||
| print(r.text) | ||
|
|
||
| if r.status_code == 200 and args.run != None: | ||
| runArgs = objectify({}) | ||
| runArgs.__dict__ = args.__dict__.copy() | ||
| runArgs.payload = args.run | ||
| run(runArgs) | ||
|
|
||
| def run(args): | ||
| value = processPayload(args.payload) | ||
| if args.verbose: | ||
| print('Sending value: %s...' % json.dumps(value)[0:40]) | ||
| r = requests.post(containerRoute(args, 'run'), json = {"value": value}) | ||
| print(str(r.content, 'utf-8')) | ||
|
|
||
| def processPayload(payload): | ||
| if payload and os.path.exists(payload): | ||
| with open(payload) as fp: | ||
| return json.load(fp) | ||
| try: | ||
| d = json.loads(payload if payload else '{}') | ||
| if isinstance(d, dict): | ||
| return d | ||
| else: | ||
| raise | ||
| except: | ||
| print('payload must be a JSON object.') | ||
| sys.exit(-1) | ||
|
|
||
| if __name__ == '__main__': | ||
| main() |
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