Molecule: implement prechroot facility

git-svn-id: http://svn.sabayonlinux.org/projects/molecule/trunk@2992 cd1c1023-2f26-0410-ae45-c471fc1f0318

molecule/handlers.py

@@ -147,7 +147,7 @@ class ChrootHandler(GenericHandlerInterface):
                 dest_exec = tmp_exec[len(self.dest_dir):]
                 if not dest_exec.startswith("/"):
                     dest_exec = "/%s" % (dest_exec,)
-                rc = molecule.utils.exec_chroot_cmd([dest_exec], self.dest_dir)
+                rc = molecule.utils.exec_chroot_cmd([dest_exec], self.dest_dir, self.metadata.get('prechroot',[]))
                 if rc != 0:
                     self.Output.updateProgress("[%s|%s] %s: %s" % (blue("ChrootHandler"),darkred(self.spec_name),_("inner chroot hook failed"),rc,))
                     return rc

molecule/settings.py

@@ -168,7 +168,7 @@ class SpecParser:
         self.parser_data_path = {
             'prechroot': {
                 'cb': valid_exec,
-                've': ve_string_stripper,
+                've': ve_string_splitter,
             },
             'release_string': {
                 'cb': ne_string, # validation callback

molecule/utils.py

@@ -49,17 +49,17 @@ def exec_cmd(args):
     # wildcards automatically ==> rsync no workie
     return subprocess.call(' '.join(args), shell = True)
 
-def exec_chroot_cmd(args, chroot):
+def exec_chroot_cmd(args, chroot, pre_chroot = []):
     pid = os.fork()
     if pid == 0:
         os.chroot(chroot)
         os.chdir("/")
-        p = subprocess.Popen(args)
-        rc = p.wait()
+        myargs = pre_chroot+args
+        rc = subprocess.call(myargs)
         os._exit(rc)
     else:
-        pid, status = os.waitpid(pid,0)
-        return status
+        rcpid, rc = os.waitpid(pid,0)
+        return rc
 
 def empty_dir(dest_dir):
     for el in os.listdir(dest_dir):