1 files changed, 41 insertions, 0 deletions
diff --git a/src/ceph-volume/ceph_volume/devices/simple/main.py b/src/ceph-volume/ceph_volume/devices/simple/main.py
new file mode 100644
index 000000000..2119963f8
--- /dev/null
+++ b/src/ceph-volume/ceph_volume/devices/simple/main.py
@@ -0,0 +1,41 @@
+import argparse
+from textwrap import dedent
+from ceph_volume import terminal
+from . import scan
+from . import activate
+from . import trigger
+
+
+class Simple(object):
+
+    help = 'Manage already deployed OSDs with ceph-volume'
+
+    _help = dedent("""
+    Take over a deployed OSD, persisting its metadata in /etc/ceph/osd/ so that it can be managed
+    with ceph-volume directly. Avoids UDEV and ceph-disk handling.
+
+    {sub_help}
+    """)
+
+    mapper = {
+        'scan': scan.Scan,
+        'activate': activate.Activate,
+        'trigger': trigger.Trigger,
+    }
+
+    def __init__(self, argv):
+        self.argv = argv
+
+    def print_help(self, sub_help):
+        return self._help.format(sub_help=sub_help)
+
+    def main(self):
+        terminal.dispatch(self.mapper, self.argv)
+        parser = argparse.ArgumentParser(
+            prog='ceph-volume simple',
+            formatter_class=argparse.RawDescriptionHelpFormatter,
+            description=self.print_help(terminal.subhelp(self.mapper)),
+        )
+        parser.parse_args(self.argv)
+        if len(self.argv) <= 1:
+            return parser.print_help()