File rbd-support.patch of Package targetcli-fb.12590
From dc250fa879939702bdf69e561cb9041a57f997ea Mon Sep 17 00:00:00 2001
From: Mike Christie <mchristi@redhat.com>
Date: Tue, 10 Apr 2018 17:31:32 +0200
Subject: [PATCH 4/4] rbd support
targetcli-fb-rbd.patch obtained from:
https://marc.info/?l=ceph-devel&m=143816209010058
[ddiss@suse.de: accept and propagate wwn parameter]
Reviewed-by: David Disseldorp <ddiss@suse.de>
---
targetcli/ui_backstore.py | 59 ++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 59 insertions(+)
--- a/targetcli/ui_backstore.py
+++ b/targetcli/ui_backstore.py
@@ -29,6 +29,7 @@ import stat
from configshell_fb import ExecutionError
from rtslib_fb import BlockStorageObject, FileIOStorageObject
from rtslib_fb import PSCSIStorageObject, RDMCPStorageObject, UserBackedStorageObject
+from rtslib_fb import RBDStorageObject
from rtslib_fb import ALUATargetPortGroup
from rtslib_fb import RTSLibError
from rtslib_fb import RTSRoot
@@ -281,6 +282,7 @@ class UIBackstores(UINode):
UIRDMCPBackstore(self)
UIFileIOBackstore(self)
UIBlockBackstore(self)
+ UIRBDBackstore(self)
for name, iface, prop_dict in self._user_backstores():
UIUserBackedBackstore(self, name, iface, prop_dict)
@@ -589,6 +591,48 @@ class UIBlockBackstore(UIBackstore):
completions = [completions[0] + ' ']
return completions
+class UIRBDBackstore(UIBackstore):
+ '''
+ RBD backstore UI.
+ '''
+ def __init__(self, parent):
+ self.so_cls = UIRBDStorageObject
+ UIBackstore.__init__(self, 'rbd', parent)
+
+ def ui_command_create(self, name, dev, readonly=None, wwn=None):
+ '''
+ Creates an RBD Storage object. I{dev} is the path to the RBD
+ block device to use.
+ '''
+ self.assert_root()
+
+ ro_string = self.ui_eval_param(readonly, 'string', None)
+ if ro_string == None:
+ # attempt to detect block device readonly state via ioctl
+ readonly = blk_dev_ro_check(dev)
+ else:
+ readonly = self.ui_eval_param(readonly, 'bool', False)
+
+ wwn = self.ui_eval_param(wwn, 'string', None)
+
+ so = RBDStorageObject(name, dev, readonly=readonly, wwn=wwn)
+ ui_so = UIRBDStorageObject(so, self)
+ self.setup_model_alias(so)
+ self.shell.log.info("Created RBD storage object %s using %s."
+ % (name, dev))
+ return self.new_node(ui_so)
+
+ def ui_complete_create(self, parameters, text, current_param):
+ '''
+ Auto-completes the device name
+ '''
+ if current_param != 'dev':
+ return []
+ completions = complete_path(text, stat.S_ISBLK)
+ if len(completions) == 1 and not completions[0].endswith('/'):
+ completions = [completions[0] + ' ']
+ return completions
+
class UIUserBackedBackstore(UIBackstore):
'''
@@ -791,6 +835,21 @@ class UIBlockStorageObject(UIStorageObje
return ("%s (%s) %s%s %s" % (so.udev_path, bytes_to_human(so.size),
ro_str, wb_str, so.status), True)
+class UIRBDStorageObject(UIStorageObject):
+ def summary(self):
+ so = self.rtsnode
+
+ if so.write_back:
+ wb_str = "write-back"
+ else:
+ wb_str = "write-thru"
+
+ ro_str = ""
+ if so.readonly:
+ ro_str = "ro "
+
+ return ("%s (%s) %s%s %s" % (so.udev_path, bytes_to_human(so.size),
+ ro_str, wb_str, so.status), True)
class UIUserBackedStorageObject(UIStorageObject):
def summary(self):
