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# Copyright 2007, Red Hat, Inc
# James Bowes <jbowes@redhat.com>
# Steve 'Ashcrow' Milner <smilner@redhat.com>
#
# This software may be freely redistributed under the terms of the GNU
# general public license.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
"""
Abitrary command execution module for func.
"""
import func_module
from func.minion import sub_process
class Command(func_module.FuncModule):
version = "0.0.1"
api_version = "0.0.2"
description = "Works with shell commands."
def run(self, command, env=None):
"""
Runs a command, returning the return code, stdout, and stderr as a tuple.
NOT FOR USE WITH INTERACTIVE COMMANDS.
"""
cmdref = sub_process.Popen(command, stdout=sub_process.PIPE,
stderr=sub_process.PIPE, shell=True,
close_fds=True, env=env)
data = cmdref.communicate()
return (cmdref.returncode, data[0], data[1])
def exists(self, command):
"""
Checks to see if a command exists on the target system(s).
"""
import os
if os.access(command, os.X_OK):
return True
return False
def register_method_args(self):
"""
The argument export method
"""
#common type in both descriptions
command = {
'type':'string',
'optional':False,
'description':'The command that is going to be used',
}
return {
'run':{
'args':{
'command':command
},
'description':'Run a specified command'
},
'exists':{
'args':{
'command':command
},
'description':'Check if specific command exists'
}
}
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