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#!/usr/bin/env python
# (c) 2012, Michael DeHaan <michael.dehaan@gmail.com>
#
# This file is part of Ansible
#
# Ansible is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Ansible is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
#
# this script is for testing modules without running through the
# entire guts of ansible, and is very helpful for when developing
# modules
#
# example:
# test-module -m ../library/commands/command -a "/bin/sleep 3"
# test-module -m ../library/system/service -a "name=httpd ensure=restarted"
# test-module -m ../library/system/service -a "name=httpd ensure=restarted" --debugger /usr/bin/pdb
# test-module -m ../library/file/lineinfile -a "dest=/etc/exports line='/srv/home hostname1(rw,sync)'" --check
# test-module -m ../library/commands/command -a "echo hello" -n -o "test_hello"
import sys
import base64
import os
import subprocess
import traceback
import optparse
import ansible.utils.vars as utils_vars
from ansible.parsing import DataLoader
from ansible.parsing.utils.jsonify import jsonify
from ansible.parsing.splitter import parse_kv
import ansible.executor.module_common as module_common
import ansible.constants as C
try:
import json
except ImportError:
import simplejson as json
def parse():
"""parse command line
:return : (options, args)"""
parser = optparse.OptionParser()
parser.usage = "%prog -[options] (-h for help)"
parser.add_option('-m', '--module-path', dest='module_path',
help="REQUIRED: full path of module source to execute")
parser.add_option('-a', '--args', dest='module_args', default="",
help="module argument string")
parser.add_option('-D', '--debugger', dest='debugger',
help="path to python debugger (e.g. /usr/bin/pdb)")
parser.add_option('-I', '--interpreter', dest='interpreter',
help="path to interpreter to use for this module (e.g. ansible_python_interpreter=/usr/bin/python)",
metavar='INTERPRETER_TYPE=INTERPRETER_PATH',
default='python={}'.format(sys.executable))
parser.add_option('-c', '--check', dest='check', action='store_true',
help="run the module in check mode")
parser.add_option('-n', '--noexecute', dest='execute', action='store_false',
default=True, help="do not run the resulting module")
parser.add_option('-o', '--output', dest='filename',
help="Filename for resulting module",
default="~/.ansible_module_generated")
options, args = parser.parse_args()
if not options.module_path:
parser.print_help()
sys.exit(1)
else:
return options, args
def write_argsfile(argstring, json=False):
""" Write args to a file for old-style module's use. """
argspath = os.path.expanduser("~/.ansible_test_module_arguments")
argsfile = open(argspath, 'w')
if json:
args = parse_kv(argstring)
argstring = jsonify(args)
argsfile.write(argstring)
argsfile.close()
return argspath
def boilerplate_module(modfile, args, interpreter, check, destfile):
""" simulate what ansible does with new style modules """
#module_fh = open(modfile)
#module_data = module_fh.read()
#module_fh.close()
#replacer = module_common.ModuleReplacer()
loader = DataLoader()
#included_boilerplate = module_data.find(module_common.REPLACER) != -1 or module_data.find("import ansible.module_utils") != -1
complex_args = {}
if args.startswith("@"):
# Argument is a YAML file (JSON is a subset of YAML)
complex_args = utils_vars.combine_vars(complex_args, loader.load_from_file(args[1:]))
args=''
elif args.startswith("{"):
# Argument is a YAML document (not a file)
complex_args = utils_vars.combine_vars(complex_args, loader.load(args))
args=''
inject = {}
if interpreter:
if '=' not in interpreter:
print 'interpreter must by in the form of ansible_python_interpreter=/usr/bin/python'
sys.exit(1)
interpreter_type, interpreter_path = interpreter.split('=')
if not interpreter_type.startswith('ansible_'):
interpreter_type = 'ansible_%s' % interpreter_type
if not interpreter_type.endswith('_interpreter'):
interpreter_type = '%s_interpreter' % interpreter_type
inject[interpreter_type] = interpreter_path
if check:
complex_args['CHECKMODE'] = True
(module_data, module_style, shebang) = module_common.modify_module(
modfile,
complex_args,
args,
inject
)
modfile2_path = os.path.expanduser(destfile)
print "* including generated source, if any, saving to: %s" % modfile2_path
print "* this may offset any line numbers in tracebacks/debuggers!"
modfile2 = open(modfile2_path, 'w')
modfile2.write(module_data)
modfile2.close()
modfile = modfile2_path
return (modfile2_path, module_style)
def runtest( modfile, argspath):
"""Test run a module, piping it's output for reporting."""
os.system("chmod +x %s" % modfile)
invoke = "%s" % (modfile)
if argspath is not None:
invoke = "%s %s" % (modfile, argspath)
cmd = subprocess.Popen(invoke, shell=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
(out, err) = cmd.communicate()
try:
print "***********************************"
print "RAW OUTPUT"
print out
print err
results = json.loads(out)
except:
print "***********************************"
print "INVALID OUTPUT FORMAT"
print out
traceback.print_exc()
sys.exit(1)
print "***********************************"
print "PARSED OUTPUT"
print jsonify(results,format=True)
def rundebug(debugger, modfile, argspath):
"""Run interactively with console debugger."""
if argspath is not None:
subprocess.call("%s %s %s" % (debugger, modfile, argspath), shell=True)
else:
subprocess.call("%s %s" % (debugger, modfile), shell=True)
def main():
options, args = parse()
(modfile, module_style) = boilerplate_module(options.module_path, options.module_args, options.interpreter, options.check, options.filename)
argspath = None
if module_style != 'new':
if module_style == 'non_native_want_json':
argspath = write_argsfile(options.module_args, json=True)
elif module_style == 'old':
argspath = write_argsfile(options.module_args, json=False)
else:
raise Exception("internal error, unexpected module style: %s" % module_style)
if options.execute:
if options.debugger:
rundebug(options.debugger, modfile, argspath)
else:
runtest(modfile, argspath)
if __name__ == "__main__":
main()
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