4ad0ff61e5
the 'chdir' argument changes the current working directory to the fullpath supplied as its value, before the execution of the command.
118 lines
3.7 KiB
Python
Executable file
118 lines
3.7 KiB
Python
Executable file
#!/usr/bin/python
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# (c) 2012, Michael DeHaan <michael.dehaan@gmail.com>, and others
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#
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# This file is part of Ansible
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#
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# Ansible is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# Ansible is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
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import subprocess
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import sys
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import datetime
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import traceback
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import shlex
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import os
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def main():
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# the command module is the one ansible module that does not take key=value args
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# hence don't copy this one if you are looking to build others!
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module = CommandModule(argument_spec=dict())
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shell = module.params['shell']
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chdir = module.params['chdir']
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args = module.params['args']
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if chdir:
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os.chdir(chdir)
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if not shell:
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args = shlex.split(args)
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startd = datetime.datetime.now()
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try:
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cmd = subprocess.Popen(args, shell=shell, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
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out, err = cmd.communicate()
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except (OSError, IOError), e:
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module.fail_json(cmd=args, msg=str(e))
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except:
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module.fail_json(msg=traceback.format_exc())
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endd = datetime.datetime.now()
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delta = endd - startd
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if out is None:
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out = ''
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if err is None:
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err = ''
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module.exit_json(
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cmd = args,
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stdout = out.strip(),
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stderr = err.strip(),
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rc = cmd.returncode,
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start = str(startd),
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end = str(endd),
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delta = str(delta),
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changed = True
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)
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# include magic from lib/ansible/module_common.py
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#<<INCLUDE_ANSIBLE_MODULE_COMMON>>
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# only the command module should ever need to do this
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# everything else should be simple key=value
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class CommandModule(AnsibleModule):
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def _load_params(self):
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''' read the input and return a dictionary and the arguments string '''
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args = base64.b64decode(MODULE_ARGS)
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items = shlex.split(args)
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params = {}
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params['chdir'] = None
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params['shell'] = False
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if args.find("#USE_SHELL") != -1:
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args = args.replace("#USE_SHELL", "")
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params['shell'] = True
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check_args = shlex.split(args)
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for x in check_args:
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if x.startswith("creates="):
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# do not run the command if the line contains creates=filename
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# and the filename already exists. This allows idempotence
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# of command executions.
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(k,v) = x.split("=",1)
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if os.path.exists(v):
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self.exit_json(
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cmd=args,
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stdout="skipped, since %s exists" % v,
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skipped=True,
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changed=False,
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stderr=False,
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rc=0
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)
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args = args.replace(x,'')
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elif x.startswith("chdir="):
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(k,v) = x.split("=", 1)
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if not (os.path.exists(v) and os.path.isdir(v)):
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self.fail_json(msg="cannot change to directory '%s': path does not exist" % v)
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elif v[0] != '/':
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self.fail_json(msg="the path for 'chdir' argument must be fully qualified")
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params['chdir'] = v
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args = args.replace(x, '')
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params['args'] = args
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return (params, args)
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main()
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