Moving more action plugins over and fixing some bugs with role loading

v2/ansible/plugins/action/script.py

@@ -0,0 +1,99 @@
+# (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/>.
+
+import os
+
+from ansible import constants as C
+from ansible.plugins.action import ActionBase
+
+class ActionModule(ActionBase):
+    TRANSFERS_FILES = True
+
+    def run(self, tmp=None, task_vars=None):
+        ''' handler for file transfer operations '''
+
+        # FIXME: noop stuff still needs to be sorted out
+        #if self.runner.noop_on_check(inject):
+        #    # in check mode, always skip this module
+        #    return ReturnData(conn=conn, comm_ok=True,
+        #                      result=dict(skipped=True, msg='check mode not supported for this module'))
+
+        if not tmp:
+            tmp = self._make_tmp_path()
+
+        creates = self._task.args.get('creates')
+        if creates:
+            # do not run the command if the line contains creates=filename
+            # and the filename already exists. This allows idempotence
+            # of command executions.
+            result = self._execute_module(module_name='stat', module_args=dict(path=creates), tmp=tmp, persist_files=True)
+            stat = result.get('stat', None)
+            if stat and stat.get('exists', False):
+                return dict(skipped=True, msg=("skipped, since %s exists" % creates))
+
+        removes = self._task.args.get('removes')
+        if removes:
+            # do not run the command if the line contains removes=filename
+            # and the filename does not exist. This allows idempotence
+            # of command executions.
+            result = self._execute_module(module_name='stat', module_args=dict(path=removes), tmp=tmp, persist_files=True)
+            stat = result.get('stat', None)
+            if stat and not stat.get('exists', False):
+                return dict(skipped=True, msg=("skipped, since %s does not exist" % removes))
+
+        # the script name is the first item in the raw params, so we split it
+        # out now so we know the file name we need to transfer to the remote,
+        # and everything else is an argument to the script which we need later
+        # to append to the remote command
+        parts  = self._task.args.get('_raw_params', '').strip().split()
+        source = parts[0]
+        args   = ' '.join(parts[1:])
+
+        # FIXME: need to sort out all the _original_file stuff still
+        #if '_original_file' in task_vars:
+        #    source = self._loader.path_dwim_relative(inject['_original_file'], 'files', source, self.runner.basedir)
+        #else:
+        #    source = self._loader.path_dwim(self.runner.basedir, source)
+        source = self._loader.path_dwim(source)
+
+        # transfer the file to a remote tmp location
+        tmp_src = self._shell.join_path(tmp, os.path.basename(source))
+        self._connection.put_file(source, tmp_src)
+
+        sudoable = True
+        # set file permissions, more permissive when the copy is done as a different user
+        if ((self._connection_info.sudo and self._connection_info.sudo_user != 'root') or
+            (self._connection_info.su and self._connection_info.su_user != 'root')):
+            chmod_mode = 'a+rx'
+            sudoable = False
+        else:
+            chmod_mode = '+rx'
+        self._remote_chmod(tmp, chmod_mode, tmp_src, sudoable=sudoable)
+
+        # add preparation steps to one ssh roundtrip executing the script
+        env_string = self._compute_environment_string()
+        script_cmd = ' '.join([env_string, tmp_src, args])
+        
+        result = self._low_level_execute_command(cmd=script_cmd, tmp=None, sudoable=sudoable)
+
+        # clean up after
+        if tmp and "tmp" in tmp and not C.DEFAULT_KEEP_REMOTE_FILES:
+            self._remove_tmp_path(tmp)
+
+        result['changed'] = True
+
+        return result