Merge pull request #1799 from dagwieers/raw-script

Make script module use raw module so it does not require python

lib/ansible/runner/action_plugins/script.py

@@ -34,9 +34,6 @@ class ActionModule(object):
     def run(self, conn, tmp, module_name, module_args, inject):
         ''' handler for file transfer operations '''
 
-        # load up options
-        options = utils.parse_kv(module_args)
-
         tokens  = shlex.split(module_args)
         source  = tokens[0]
         # FIXME: error handling
@@ -44,8 +41,6 @@ class ActionModule(object):
         source  = utils.template(self.runner.basedir, source, inject)
         source  = utils.path_dwim(self.runner.basedir, source)
 
-        exec_rc = None
-
         # transfer the file to a remote tmp location
         source  = source.replace('\x00','') # why does this happen here?
         args    = args.replace('\x00','') # why does this happen here?
@@ -56,12 +51,18 @@ class ActionModule(object):
 
         # fix file permissions when the copy is done as a different user
         if self.runner.sudo and self.runner.sudo_user != 'root':
-            self.runner._low_level_exec_command(conn, "chmod a+r %s" % tmp_src, tmp)
+            prepcmd = 'chmod a+rx %s' % tmp_src
+        else:
+            prepcmd = 'chmod +x %s' % tmp_src
 
-        # make executable
-        self.runner._low_level_exec_command(conn, "chmod +x %s" % tmp_src, tmp)
+        # add preparation steps to one ssh roundtrip executing the script
+        module_args = prepcmd + '; ' + tmp_src + ' ' + args
 
-        # run it through the command module
-        module_args = tmp_src + " " + args + " #USE_SHELL"
-        return self.runner._execute_module(conn, tmp, 'command', module_args, inject=inject)
+        handler = utils.plugins.action_loader.get('raw', self.runner)
+        result = handler.run(conn, tmp, 'raw', module_args, inject)
 
+        # clean up after
+        if tmp.find("tmp") != -1 and C.DEFAULT_KEEP_REMOTE_FILES != '1':
+            self.runner._low_level_exec_command(conn, 'rm -rf %s >/dev/null 2>&1' % tmp, tmp)
+
+        return result

library/raw

@@ -16,8 +16,16 @@ description:
        given to M(raw) are run directly through the configured remote shell.
        Standard output, error output and return code are returned when
        available. There is no change handler support for this module.
+     - This module does not require python on the remote system, much like
+       the M(script) module.
 examples:
     - description: Example from C(/usr/bin/ansible) to bootstrap a legacy python 2.4 host
-      code: ansible newhost.example.com -m raw -a "yum -y install python-simplejson"
+      code: "action: raw yum -y install python-simplejson"
+notes:
+   -  If you want to execute a command securely and predictably, it may be
+      better to use the M(command) module instead. Best practices when writing
+      playbooks will follow the trend of using M(command) unless M(shell) is
+      explicitly required. When running ad-hoc commands, use your best
+      judgement.
 author: Michael DeHaan
 '''

library/script

@@ -4,9 +4,11 @@ DOCUMENTATION = """
 module: script
 short_description: Runs a local script on a remote node
 description:
-     - The M(script) module takes the script name followed by a list of space-delimited arguments.
+     - The M(script) module takes the script name followed by a list of
+       space-delimited arguments.
      - The given script will be processed through the shell environment.
-     - See also the M(command) and M(shell) modules.
+     - This module does not require python on the remote system, much like
+       the M(raw) module.
 options:
   free_form:
     description:
@@ -16,7 +18,7 @@ options:
     aliases: []
 examples:
   - description: "Example from Ansible Playbooks"
-    code: "script: /some/local/script.sh --some-arguments 1234"
+    code: "action: script /some/local/script.sh --some-arguments 1234"
 notes:
   - It is preferable to write Ansible modules than pushing scripts. Convert your script to an Ansible module for bonus points!
 author: Michael DeHaan