Changed atomic_replace to atomic_move, now ti DOES move atomically in the last

step
Signed-off-by: Brian Coca <briancoca+dev@gmail.com>

authorized_key

@@ -162,7 +162,7 @@ def writekeys(module, filename, keys):
     except IOError, e:
         module.fail_json(msg="Failed to write to file %s: %s" % (tmp_path, str(e)))
     f.close()
-    module.atomic_replace(tmp_path, filename)
+    module.atomic_move(tmp_path, filename)
 
 def enforce_state(module, params):
     """

copy

@@ -19,7 +19,6 @@
 # along with Ansible.  If not, see <http://www.gnu.org/licenses/>.
 
 import os
-import shutil
 import time
 
 DOCUMENTATION = '''
@@ -144,17 +143,15 @@ def main():
             if os.path.islink(dest):
                 os.unlink(dest)
                 open(dest, 'w').close()
-            # TODO:pid + epoch should avoid most collisions, hostname/mac for those using nfs?
-            # might be an issue with exceeding path length
-            dest_tmp = "%s.%s.%s.tmp" % (dest,os.getpid(),time.time())
-            shutil.copyfile(src, dest_tmp)
             if validate:
-               (rc,out,err) = module.run_command(validate % dest_tmp)
+               (rc,out,err) = module.run_command(validate % src)
                if rc != 0:
                  module.fail_json(msg="failed to validate: rc:%s error:%s" % (rc,err))
-            module.atomic_replace(dest_tmp, dest)
-        except shutil.Error:
-            module.fail_json(msg="failed to copy: %s and %s are the same" % (src, dest))
+            if not module.atomic_move(src, dest):
+                try:
+                    os.unlink(src) # cleanup tmp files on failure
+                except OSError, e:
+                    sys.stderr.write("failed to clean up tmp file %s: %s\n" % (src, e))
         except IOError:
             module.fail_json(msg="failed to copy: %s to %s" % (src, dest))
         changed = True

cron

@@ -145,15 +145,7 @@ def get_jobs_file(module, user, tmpfile, cron_file):
 def install_jobs(module, user, tmpfile, cron_file):
     if cron_file:
         cron_file = '/etc/cron.d/%s' % cron_file
-        try:
-            module.atomic_replace(tmpfile, cron_file)
-        except (OSError, IOError), e:
-            return (1, "", str(e))   
-        except:
-            return (1, "", str(e))
-        else:
-            return (0, "", "")
-
+        module.atomic_move(tmpfile, cron_file)
     else:
         cmd = "crontab %s %s" % (user, tmpfile)
         return module.run_command(cmd)

service

@@ -334,7 +334,7 @@ class Service(object):
             os.close(TMP_RCCONF)
 
             # Replace previous rc.conf.
-            self.module.atomic_replace(tmp_rcconf_file, self.rcconf_file)
+            self.module.atomic_move(tmp_rcconf_file, self.rcconf_file)
 
 # ===========================================
 # Subclass: Linux

sysctl

@@ -112,7 +112,7 @@ def write_sysctl(module, lines, **sysctl_args):
     f.close()
 
     # replace the real one
-    module.atomic_replace(tmp_path, sysctl_args['sysctl_file']) 
+    module.atomic_move(tmp_path, sysctl_args['sysctl_file']) 
 
     # end
     return sysctl_args