cloudstack/tools/cli/cloudmonkey/cloudmonkey.py
Rohit Yadav 77e957c91b cli: fix python sdist, add readline as installation requirement
Signed-off-by: Rohit Yadav <bhaisaab@apache.org>
2012-11-06 17:06:11 +05:30

444 lines
16 KiB
Python

#!/usr/bin/env python
# -*- coding: utf-8 -*-
# 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.
try:
import atexit
import cmd
import clint
import codecs
import logging
import os
import pdb
import readline
import rlcompleter
import shlex
import sys
import types
from clint.textui import colored
from ConfigParser import ConfigParser, SafeConfigParser
from marvin.cloudstackConnection import cloudConnection
from marvin.cloudstackException import cloudstackAPIException
from marvin.cloudstackAPI import *
from marvin import cloudstackAPI
except ImportError, e:
print "Import error in %s : %s" % (__name__, e)
import sys
sys.exit()
# Use following rules for versioning:
# <cli major version>.<cloudstack minor version>.<cloudstack major version>
# Example: For CloudStack 4.1.x, CLI version should be 0.1.4
__version__ = "0.0.4"
log_fmt = '%(asctime)s - %(filename)s:%(lineno)s - [%(levelname)s] %(message)s'
logger = logging.getLogger(__name__)
completions = cloudstackAPI.__all__
class CloudStackShell(cmd.Cmd):
intro = ("☁ Apache CloudStack cloudmonkey " + __version__ +
". Type help or ? to list commands.\n")
ruler = "-"
config_file = os.path.expanduser('~/.cloudmonkey_config')
grammar = []
# datastructure {'list': {'users': ['listUsers', [params], docstring]}}
cache_verbs = {}
def __init__(self):
self.config_fields = {'host': 'localhost', 'port': '8080',
'apiKey': '', 'secretKey': '',
'prompt': 'cloudmonkey> ', 'color': 'true',
'log_file':
os.path.expanduser('~/.cloudmonkey_log'),
'history_file':
os.path.expanduser('~/.cloudmonkey_history')}
if os.path.exists(self.config_file):
config = self.read_config()
else:
for key in self.config_fields.keys():
setattr(self, key, self.config_fields[key])
config = self.write_config()
print("🙉 Set your apiKey, secretKey, host, port, prompt, color,"
" log_file, history_file using the set command!")
for key in self.config_fields.keys():
setattr(self, key, config.get('CLI', key))
self.prompt += " " # Cosmetic fix for prompt
logging.basicConfig(filename=self.log_file,
level=logging.DEBUG, format=log_fmt)
self.logger = logging.getLogger(self.__class__.__name__)
cmd.Cmd.__init__(self)
# Update config if config_file does not exist
if not os.path.exists(self.config_file):
config = self.write_config()
# Fix autocompletion issue
if sys.platform == "darwin":
readline.parse_and_bind("bind ^I rl_complete")
else:
readline.parse_and_bind("tab: complete")
# Enable history support
try:
if os.path.exists(self.history_file):
readline.read_history_file(self.history_file)
atexit.register(readline.write_history_file, self.history_file)
except IOError:
print("Error: history support")
def read_config(self):
config = ConfigParser()
try:
with open(self.config_file, 'r') as cfg:
config.readfp(cfg)
for section in config.sections():
for option in config.options(section):
logger.debug("[%s] %s=%s" % (section, option,
config.get(section, option)))
except IOError, e:
self.print_shell("Error: config_file not found", e)
return config
def write_config(self):
config = ConfigParser()
config.add_section('CLI')
for key in self.config_fields.keys():
config.set('CLI', key, getattr(self, key))
with open(self.config_file, 'w') as cfg:
config.write(cfg)
return config
def emptyline(self):
pass
def set_grammar(self, grammar):
self.grammar = grammar
def print_shell(self, *args):
try:
for arg in args:
if isinstance(type(args), types.NoneType):
continue
if self.color == 'true':
if str(arg).count(self.ruler) == len(str(arg)):
print colored.green(arg),
elif 'type' in arg:
print colored.green(arg),
elif 'state' in arg:
print colored.yellow(arg),
elif 'id =' in arg:
print colored.cyan(arg),
elif 'name =' in arg:
print colored.magenta(arg),
elif 'Error' in arg:
print colored.red(arg),
elif ':' in arg:
print colored.blue(arg),
else:
print arg,
else:
print arg,
print
except Exception, e:
print colored.red("Error: "), e
# FIXME: Fix result processing and printing
def print_result(self, result, response, api_mod):
def print_result_as_list():
if result is None:
return
for node in result:
print_result_as_instance(node)
def print_result_as_instance(node):
for attribute in dir(response):
if "__" not in attribute:
attribute_value = getattr(node, attribute)
if isinstance(attribute_value, list):
self.print_shell("\n%s:" % attribute)
try:
self.print_result(attribute_value,
getattr(api_mod, attribute)(),
api_mod)
except AttributeError, e:
pass
elif attribute_value is not None:
self.print_shell("%s = %s" %
(attribute, attribute_value))
self.print_shell(self.ruler * 80)
if result is None:
return
if type(result) is types.InstanceType:
print_result_as_instance(result)
elif isinstance(result, list):
print_result_as_list()
elif isinstance(result, str):
print result
elif isinstance(type(result), types.NoneType):
print_result_as_instance(result)
elif not (str(result) is None):
self.print_shell(result)
def make_request(self, command, requests={}):
conn = cloudConnection(self.host, port=int(self.port),
apiKey=self.apiKey, securityKey=self.secretKey,
logging=logging.getLogger("cloudConnection"))
try:
response = conn.make_request(command, requests)
except cloudstackAPIException, e:
self.print_shell("API Error", e)
return None
return response
def get_api_module(self, api_name, api_class_strs=[]):
try:
api_mod = __import__("marvin.cloudstackAPI.%s" % api_name,
globals(), locals(), api_class_strs, -1)
except ImportError, e:
self.print_shell("Error: API %s not found!" % e)
return None
return api_mod
def default(self, args):
args = shlex.split(args.strip())
api_name = args[0]
try:
api_cmd_str = "%sCmd" % api_name
api_rsp_str = "%sResponse" % api_name
api_mod = self.get_api_module(api_name, [api_cmd_str, api_rsp_str])
api_cmd = getattr(api_mod, api_cmd_str)
api_rsp = getattr(api_mod, api_rsp_str)
except AttributeError, e:
self.print_shell("Error: API %s not found!" % e)
return
command = api_cmd()
response = api_rsp()
args_dict = dict(map(lambda x: [x.partition("=")[0],
x.partition("=")[2]],
args[1:])[x] for x in range(len(args) - 1))
for attribute in dir(command):
if attribute in args_dict:
setattr(command, attribute, args_dict[attribute])
result = self.make_request(command, response)
try:
self.print_result(result, response, api_mod)
except Exception as e:
self.print_shell("🙈 Error on parsing and printing", e)
def cache_verb_miss(self, verb):
completions_found = filter(lambda x: x.startswith(verb), completions)
self.cache_verbs[verb] = {}
for api_name in completions_found:
try:
api_cmd_str = "%sCmd" % api_name
api_mod = self.get_api_module(api_name, [api_cmd_str])
api_cmd = getattr(api_mod, api_cmd_str)()
doc = api_mod.__doc__
except AttributeError, e:
self.print_shell("Error: API attribute %s not found!" % e)
params = filter(lambda x: '__' not in x and 'required' not in x,
dir(api_cmd))
if len(api_cmd.required) > 0:
doc += "\nRequired args: %s" % " ".join(api_cmd.required)
doc += "\nArgs: %s" % " ".join(params)
api_name_lower = api_name.replace(verb, '').lower()
self.cache_verbs[verb][api_name_lower] = [api_name, params, doc]
def completedefault(self, text, line, begidx, endidx):
partitions = line.partition(" ")
verb = partitions[0]
rline = partitions[2].partition(" ")
subject = rline[0]
separator = rline[1]
params = rline[2]
if verb not in self.grammar:
return []
autocompletions = []
search_string = ""
if verb not in self.cache_verbs:
self.cache_verb_miss(verb)
if separator != " ": # Complete verb subjects
autocompletions = self.cache_verbs[verb].keys()
search_string = subject
else: # Complete subject params
autocompletions = self.cache_verbs[verb][subject][1]
search_string = text
return [s for s in autocompletions if s.startswith(search_string)]
def do_api(self, args):
"""
Make raw api calls. Syntax: api <apiName> <args>=<values>.
Example:
api listAccount listall=true
"""
if len(args) > 0:
return self.default(args)
else:
self.print_shell("Please use a valid syntax")
def complete_api(self, text, line, begidx, endidx):
mline = line.partition(" ")[2]
offs = len(mline) - len(text)
return [s[offs:] for s in completions if s.startswith(mline)]
def do_set(self, args):
"""
Set config for CloudStack CLI. Available options are:
host, port, apiKey, secretKey, log_file, history_file
Example:
set host 192.168.56.2
set prompt 🙉 cloudmonkey>
set log_file /var/log/cloudmonkey.log
"""
args = args.split(' ')
if len(args) == 2:
key, value = args
# Note: keys and fields should have same names
setattr(self, key, value)
self.write_config()
else:
self.print_shell("Please use the syntax: set valid-key value")
def complete_set(self, text, line, begidx, endidx):
mline = line.partition(" ")[2]
offs = len(mline) - len(text)
return [s[offs:] for s in
['host', 'port', 'apiKey', 'secretKey', 'prompt', 'color',
'log_file', 'history_file'] if s.startswith(mline)]
def do_shell(self, args):
"""
Execute shell commands using shell <command> or !<command>
Example:
!ls
shell ls
!for((i=0; i<10; i++)); do cloudmonkey create user account=admin \
email=test@test.tt firstname=user$i lastname=user$i \
password=password username=user$i; done
"""
os.system(args)
def do_help(self, args):
"""
Show help docs for various topics
Example:
help list
help list users
?list
?list users
"""
fields = args.partition(" ")
if fields[2] == "":
cmd.Cmd.do_help(self, args)
else:
verb = fields[0]
subject = fields[2].partition(" ")[0]
if verb not in self.cache_verbs:
self.cache_verb_miss(verb)
self.print_shell(self.cache_verbs[verb][subject][2])
def complete_help(self, text, line, begidx, endidx):
fields = line.partition(" ")
subfields = fields[2].partition(" ")
if subfields[1] != " ":
return cmd.Cmd.complete_help(self, text, line, begidx, endidx)
else:
line = fields[2]
text = subfields[2]
return self.completedefault(text, line, begidx, endidx)
def do_quit(self, args):
"""
Quit Apache CloudStack CLI
"""
self.print_shell("Bye!")
return self.do_EOF(args)
def do_EOF(self, args):
"""
Quit on Ctrl+d or EOF
"""
return True
def main():
# Add verbs in grammar
grammar = ['create', 'list', 'delete', 'update',
'enable', 'disable', 'add', 'remove', 'attach', 'detach',
'assign', 'authorize', 'change', 'register',
'start', 'restart', 'reboot', 'stop', 'reconnect',
'cancel', 'destroy', 'revoke',
'copy', 'extract', 'migrate', 'restore',
'get', 'prepare', 'deploy', 'upload']
# Create handlers on the fly using closures
self = CloudStackShell
for rule in grammar:
def add_grammar(rule):
def grammar_closure(self, args):
if not rule in self.cache_verbs:
self.cache_verb_miss(rule)
try:
args_partition = args.partition(" ")
res = self.cache_verbs[rule][args_partition[0]]
except KeyError, e:
self.print_shell("Error: no such command on %s" % rule)
return
if '--help' in args:
self.print_shell(res[2])
return
self.default(res[0] + " " + args_partition[2])
return grammar_closure
grammar_handler = add_grammar(rule)
grammar_handler.__doc__ = "%ss resources" % rule.capitalize()
grammar_handler.__name__ = 'do_' + rule
setattr(self, grammar_handler.__name__, grammar_handler)
shell = CloudStackShell()
shell.set_grammar(grammar)
if len(sys.argv) > 1:
shell.onecmd(' '.join(sys.argv[1:]))
else:
shell.cmdloop()
if __name__ == "__main__":
main()