mirror of
https://github.com/apache/cloudstack.git
synced 2025-10-26 08:42:29 +01:00
7ae8c4ad7e
Patch fixes lexical parser for default argument on shell. Signed-off-by: Rohit Yadav <bhaisaab@apache.org>
457 lines
16 KiB
Python
457 lines
16 KiB
Python
#!/usr/bin/python
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# -*- coding: utf-8 -*-
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# Licensed to the Apache Software Foundation (ASF) under one
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# or more contributor license agreements. See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership. The ASF licenses this file
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# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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try:
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import atexit
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import cmd
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import clint
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import codecs
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import logging
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import os
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import pdb
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import shlex
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import sys
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import types
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from clint.textui import colored
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from ConfigParser import ConfigParser, SafeConfigParser
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from version import __version__
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from marvin.cloudstackConnection import cloudConnection
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from marvin.cloudstackException import cloudstackAPIException
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from marvin.cloudstackAPI import *
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from marvin import cloudstackAPI
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except ImportError, e:
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print "Import error in %s : %s" % (__name__, e)
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import sys
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sys.exit()
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# Fix autocompletion issue, can be put in .pythonstartup
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try:
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import readline
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except ImportError, e:
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print "Module readline not found, autocompletions will fail", e
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else:
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import rlcompleter
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if 'libedit' in readline.__doc__:
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readline.parse_and_bind("bind ^I rl_complete")
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else:
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readline.parse_and_bind("tab: complete")
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log_fmt = '%(asctime)s - %(filename)s:%(lineno)s - [%(levelname)s] %(message)s'
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logger = logging.getLogger(__name__)
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completions = cloudstackAPI.__all__
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class CloudStackShell(cmd.Cmd):
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intro = ("☁ Apache CloudStack 🐵 cloudmonkey " + __version__ +
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". Type help or ? to list commands.\n")
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ruler = "-"
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config_file = os.path.expanduser('~/.cloudmonkey_config')
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grammar = []
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# datastructure {'list': {'users': ['listUsers', [params], docstring]}}
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cache_verbs = {}
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def __init__(self):
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self.config_fields = {'host': 'localhost', 'port': '8080',
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'apikey': '', 'secretkey': '',
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'prompt': '🐵 cloudmonkey>', 'color': 'true',
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'log_file':
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os.path.expanduser('~/.cloudmonkey_log'),
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'history_file':
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os.path.expanduser('~/.cloudmonkey_history')}
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if os.path.exists(self.config_file):
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config = self.read_config()
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else:
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for key in self.config_fields.keys():
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setattr(self, key, self.config_fields[key])
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config = self.write_config()
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print("Set your apikey, secretkey, host, port, prompt, color,"
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" log_file, history_file using the set command!")
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for key in self.config_fields.keys():
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setattr(self, key, config.get('CLI', key))
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self.prompt += " " # Cosmetic fix for prompt
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logging.basicConfig(filename=self.log_file,
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level=logging.DEBUG, format=log_fmt)
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self.logger = logging.getLogger(self.__class__.__name__)
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cmd.Cmd.__init__(self)
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# Update config if config_file does not exist
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if not os.path.exists(self.config_file):
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config = self.write_config()
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# Enable history support
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try:
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if os.path.exists(self.history_file):
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readline.read_history_file(self.history_file)
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atexit.register(readline.write_history_file, self.history_file)
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except IOError:
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print("Error: history support")
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def read_config(self):
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config = ConfigParser()
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try:
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with open(self.config_file, 'r') as cfg:
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config.readfp(cfg)
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for section in config.sections():
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for option in config.options(section):
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logger.debug("[%s] %s=%s" % (section, option,
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config.get(section, option)))
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except IOError, e:
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self.print_shell("Error: config_file not found", e)
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return config
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def write_config(self):
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config = ConfigParser()
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config.add_section('CLI')
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for key in self.config_fields.keys():
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config.set('CLI', key, getattr(self, key))
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with open(self.config_file, 'w') as cfg:
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config.write(cfg)
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return config
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def emptyline(self):
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pass
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def set_grammar(self, grammar):
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self.grammar = grammar
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def print_shell(self, *args):
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try:
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for arg in args:
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if isinstance(type(args), types.NoneType):
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continue
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if self.color == 'true':
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if str(arg).count(self.ruler) == len(str(arg)):
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print colored.green(arg),
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elif 'type' in arg:
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print colored.green(arg),
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elif 'state' in arg:
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print colored.yellow(arg),
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elif 'id =' in arg:
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print colored.cyan(arg),
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elif 'name =' in arg:
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print colored.magenta(arg),
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elif 'Error' in arg:
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print colored.red(arg),
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elif ':' in arg:
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print colored.blue(arg),
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else:
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print arg,
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else:
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print arg,
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print
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except Exception, e:
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print colored.red("Error: "), e
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# FIXME: Fix result processing and printing
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def print_result(self, result, response, api_mod):
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def print_result_as_list():
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if result is None:
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return
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for node in result:
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print_result_as_instance(node)
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def print_result_as_instance(node):
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for attribute in dir(response):
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if "__" not in attribute:
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attribute_value = getattr(node, attribute)
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if isinstance(attribute_value, list):
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self.print_shell("\n%s:" % attribute)
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try:
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self.print_result(attribute_value,
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getattr(api_mod, attribute)(),
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api_mod)
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except AttributeError, e:
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pass
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elif attribute_value is not None:
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self.print_shell("%s = %s" %
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(attribute, attribute_value))
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self.print_shell(self.ruler * 80)
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if result is None:
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return
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if type(result) is types.InstanceType:
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print_result_as_instance(result)
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elif isinstance(result, list):
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print_result_as_list()
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elif isinstance(result, str):
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print result
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elif isinstance(type(result), types.NoneType):
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print_result_as_instance(result)
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elif not (str(result) is None):
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self.print_shell(result)
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def make_request(self, command, requests={}):
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conn = cloudConnection(self.host, port=int(self.port),
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apiKey=self.apikey, securityKey=self.secretkey,
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logging=logging.getLogger("cloudConnection"))
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try:
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response = conn.make_request(command, requests)
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except cloudstackAPIException, e:
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self.print_shell("API Error", e)
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return None
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return response
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def get_api_module(self, api_name, api_class_strs=[]):
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try:
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api_mod = __import__("marvin.cloudstackAPI.%s" % api_name,
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globals(), locals(), api_class_strs, -1)
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except ImportError, e:
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self.print_shell("Error: API %s not found!" % e)
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return None
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return api_mod
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def default(self, args):
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lexp = shlex.shlex(args.strip())
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lexp.whitespace = " "
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lexp.whitespace_split = True
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args = list(lexp)
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api_name = args[0]
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try:
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api_cmd_str = "%sCmd" % api_name
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api_rsp_str = "%sResponse" % api_name
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api_mod = self.get_api_module(api_name, [api_cmd_str, api_rsp_str])
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api_cmd = getattr(api_mod, api_cmd_str)
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api_rsp = getattr(api_mod, api_rsp_str)
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except AttributeError, e:
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self.print_shell("Error: API %s not found!" % e)
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return
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command = api_cmd()
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response = api_rsp()
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args_dict = dict(map(lambda x: [x.partition("=")[0],
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x.partition("=")[2]],
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args[1:])[x] for x in range(len(args) - 1))
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for attribute in dir(command):
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if attribute in args_dict:
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setattr(command, attribute, args_dict[attribute])
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result = self.make_request(command, response)
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try:
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self.print_result(result, response, api_mod)
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except Exception as e:
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self.print_shell("🙈 Error on parsing and printing", e)
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def cache_verb_miss(self, verb):
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completions_found = filter(lambda x: x.startswith(verb), completions)
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self.cache_verbs[verb] = {}
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for api_name in completions_found:
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try:
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api_cmd_str = "%sCmd" % api_name
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api_mod = self.get_api_module(api_name, [api_cmd_str])
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api_cmd = getattr(api_mod, api_cmd_str)()
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doc = api_mod.__doc__
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except AttributeError, e:
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self.print_shell("Error: API attribute %s not found!" % e)
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params = filter(lambda x: '__' not in x and 'required' not in x,
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dir(api_cmd))
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if len(api_cmd.required) > 0:
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doc += "\nRequired args: %s" % " ".join(api_cmd.required)
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doc += "\nArgs: %s" % " ".join(params)
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api_name_lower = api_name.replace(verb, '').lower()
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self.cache_verbs[verb][api_name_lower] = [api_name, params, doc]
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def completedefault(self, text, line, begidx, endidx):
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partitions = line.partition(" ")
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verb = partitions[0]
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rline = partitions[2].partition(" ")
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subject = rline[0]
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separator = rline[1]
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params = rline[2]
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if verb not in self.grammar:
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return []
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autocompletions = []
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search_string = ""
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if verb not in self.cache_verbs:
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self.cache_verb_miss(verb)
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if separator != " ": # Complete verb subjects
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autocompletions = self.cache_verbs[verb].keys()
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search_string = subject
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else: # Complete subject params
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autocompletions = map(lambda x: x + "=",
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self.cache_verbs[verb][subject][1])
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search_string = text
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return [s for s in autocompletions if s.startswith(search_string)]
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def do_api(self, args):
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"""
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Make raw api calls. Syntax: api <apiName> <args>=<values>.
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Example:
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api listAccount listall=true
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"""
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if len(args) > 0:
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return self.default(args)
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else:
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self.print_shell("Please use a valid syntax")
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def complete_api(self, text, line, begidx, endidx):
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mline = line.partition(" ")[2]
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offs = len(mline) - len(text)
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return [s[offs:] for s in completions if s.startswith(mline)]
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def do_set(self, args):
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"""
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Set config for CloudStack CLI. Available options are:
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host, port, apikey, secretkey, log_file, history_file
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You may also edit your ~/.cloudmonkey_config instead of using set.
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Example:
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set host 192.168.56.2
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set prompt 🐵 cloudmonkey>
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set log_file /var/log/cloudmonkey.log
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"""
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args = args.strip().partition(" ")
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key, value = (args[0], args[2])
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# Note: keys and class attributes should have same names
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setattr(self, key, value)
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self.write_config()
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def complete_set(self, text, line, begidx, endidx):
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mline = line.partition(" ")[2]
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offs = len(mline) - len(text)
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return [s[offs:] for s in
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['host', 'port', 'apikey', 'secretkey', 'prompt', 'color',
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'log_file', 'history_file'] if s.startswith(mline)]
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def do_shell(self, args):
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"""
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Execute shell commands using shell <command> or !<command>
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Example:
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!ls
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shell ls
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!for((i=0; i<10; i++)); do cloudmonkey create user account=admin \
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email=test@test.tt firstname=user$i lastname=user$i \
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password=password username=user$i; done
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"""
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os.system(args)
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def do_help(self, args):
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"""
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Show help docs for various topics
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Example:
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help list
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help list users
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?list
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?list users
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"""
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fields = args.partition(" ")
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if fields[2] == "":
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cmd.Cmd.do_help(self, args)
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else:
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verb = fields[0]
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subject = fields[2].partition(" ")[0]
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if verb not in self.cache_verbs:
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self.cache_verb_miss(verb)
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if subject in self.cache_verbs[verb]:
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self.print_shell(self.cache_verbs[verb][subject][2])
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else:
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self.print_shell("Error: no such api (%s) on %s" %
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(subject, verb))
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def complete_help(self, text, line, begidx, endidx):
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fields = line.partition(" ")
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subfields = fields[2].partition(" ")
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if subfields[1] != " ":
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return cmd.Cmd.complete_help(self, text, line, begidx, endidx)
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else:
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line = fields[2]
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text = subfields[2]
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return self.completedefault(text, line, begidx, endidx)
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def do_quit(self, args):
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"""
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Quit Apache CloudStack CLI
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"""
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self.print_shell("Bye!")
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return self.do_EOF(args)
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def do_EOF(self, args):
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"""
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Quit on Ctrl+d or EOF
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"""
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return True
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def main():
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# Add verbs in grammar
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grammar = ['create', 'list', 'delete', 'update',
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'enable', 'disable', 'add', 'remove', 'attach', 'detach',
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'assign', 'authorize', 'change', 'register', 'configure',
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'start', 'restart', 'reboot', 'stop', 'reconnect',
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'cancel', 'destroy', 'revoke',
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'copy', 'extract', 'migrate', 'restore',
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'get', 'prepare', 'deploy', 'upload']
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# Create handlers on the fly using closures
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self = CloudStackShell
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for rule in grammar:
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def add_grammar(rule):
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def grammar_closure(self, args):
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if '|' in args: #FIXME: Consider parsing issues
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prog_name = sys.argv[0]
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if '.py' in prog_name:
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prog_name = "python " + prog_name
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self.do_shell("%s %s %s" % (prog_name, rule, args))
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return
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if not rule in self.cache_verbs:
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self.cache_verb_miss(rule)
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try:
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args_partition = args.partition(" ")
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res = self.cache_verbs[rule][args_partition[0]]
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except KeyError, e:
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self.print_shell("Error: no such command on %s" % rule)
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return
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if '--help' in args:
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self.print_shell(res[2])
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return
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self.default(res[0] + " " + args_partition[2])
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return grammar_closure
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grammar_handler = add_grammar(rule)
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grammar_handler.__doc__ = "%ss resources" % rule.capitalize()
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grammar_handler.__name__ = 'do_' + rule
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setattr(self, grammar_handler.__name__, grammar_handler)
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shell = CloudStackShell()
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shell.set_grammar(grammar)
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if len(sys.argv) > 1:
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shell.onecmd(' '.join(sys.argv[1:]))
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else:
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shell.cmdloop()
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if __name__ == "__main__":
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main()
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