From 1ce5c58df8d06497243b78e8a26754509a4ab980 Mon Sep 17 00:00:00 2001
From: Kotresh HR <khiremat@redhat.com>
Date: Thu, 16 Dec 2021 14:11:54 +0530
Subject: [PATCH] mgr/volumes: Add subvolumegroup info cmd

Resolves: rhbz#2033545
Fixes: https://tracker.ceph.com/issues/53509
Signed-off-by: Kotresh HR <khiremat@redhat.com>
(cherry picked from commit 9e1b7ed39e25f28fdfc66b394d1f3ee61c7ce0ba)
---
 src/pybind/mgr/volumes/fs/operations/group.py | 28 +++++++++++++++++++
 src/pybind/mgr/volumes/fs/volume.py           | 21 ++++++++++++++
 src/pybind/mgr/volumes/module.py              | 12 ++++++++
 3 files changed, 61 insertions(+)

diff --git a/src/pybind/mgr/volumes/fs/operations/group.py b/src/pybind/mgr/volumes/fs/operations/group.py
index 1409c3e83676d..283a6d2f19d0d 100644
--- a/src/pybind/mgr/volumes/fs/operations/group.py
+++ b/src/pybind/mgr/volumes/fs/operations/group.py
@@ -88,6 +88,34 @@ class Group(GroupTemplate):
                 return []
             raise
 
+    def info(self):
+        st = self.fs.statx(self.path, cephfs.CEPH_STATX_BTIME | cephfs.CEPH_STATX_SIZE
+                           | cephfs.CEPH_STATX_UID | cephfs.CEPH_STATX_GID | cephfs.CEPH_STATX_MODE
+                           | cephfs.CEPH_STATX_ATIME | cephfs.CEPH_STATX_MTIME | cephfs.CEPH_STATX_CTIME,
+                           cephfs.AT_SYMLINK_NOFOLLOW)
+        usedbytes = st["size"]
+        try:
+            nsize = int(self.fs.getxattr(self.path, 'ceph.quota.max_bytes').decode('utf-8'))
+        except cephfs.NoData:
+            nsize = 0
+
+        try:
+            data_pool = self.fs.getxattr(self.path, 'ceph.dir.layout.pool').decode('utf-8')
+        except cephfs.Error as e:
+            raise VolumeException(-e.args[0], e.args[1])
+
+        return {'uid': int(st["uid"]),
+                'gid': int(st["gid"]),
+                'atime': str(st["atime"]),
+                'mtime': str(st["mtime"]),
+                'ctime': str(st["ctime"]),
+                'mode': int(st["mode"]),
+                'data_pool': data_pool,
+                'created_at': str(st["btime"]),
+                'bytes_quota': "infinite" if nsize == 0 else nsize,
+                'bytes_used': int(usedbytes),
+                'bytes_pcent': "undefined" if nsize == 0 else '{0:.2f}'.format((float(usedbytes) / nsize) * 100.0)}
+
 def set_group_attrs(fs, path, attrs):
     # set subvolume group attrs
     # set size
diff --git a/src/pybind/mgr/volumes/fs/volume.py b/src/pybind/mgr/volumes/fs/volume.py
index 7ba9c6bd9d511..69be9d1c22b2d 100644
--- a/src/pybind/mgr/volumes/fs/volume.py
+++ b/src/pybind/mgr/volumes/fs/volume.py
@@ -783,6 +783,27 @@ class VolumeClient(CephfsClient["Module"]):
                 ret = self.volume_exception_to_retval(ve)
         return ret
 
+    def subvolumegroup_info(self, **kwargs):
+        ret        = None
+        volname    = kwargs['vol_name']
+        groupname  = kwargs['group_name']
+
+        try:
+            with open_volume(self, volname) as fs_handle:
+                with open_group(fs_handle, self.volspec, groupname) as group:
+                        mon_addr_lst = []
+                        mon_map_mons = self.mgr.get('mon_map')['mons']
+                        for mon in mon_map_mons:
+                            ip_port = mon['addr'].split("/")[0]
+                            mon_addr_lst.append(ip_port)
+
+                        group_info_dict = group.info()
+                        group_info_dict["mon_addrs"] = mon_addr_lst
+                        ret = 0, json.dumps(group_info_dict, indent=4, sort_keys=True), ""
+        except VolumeException as ve:
+            ret = self.volume_exception_to_retval(ve)
+        return ret
+
     def getpath_subvolume_group(self, **kwargs):
         volname    = kwargs['vol_name']
         groupname  = kwargs['group_name']
diff --git a/src/pybind/mgr/volumes/module.py b/src/pybind/mgr/volumes/module.py
index aeec5ed3e60eb..5cc6ba091ad81 100644
--- a/src/pybind/mgr/volumes/module.py
+++ b/src/pybind/mgr/volumes/module.py
@@ -95,6 +95,13 @@ class Module(orchestrator.OrchestratorClientMixin, MgrModule):
             'desc': "Delete a CephFS subvolume group in a volume",
             'perm': 'rw'
         },
+        {
+            'cmd': 'fs subvolumegroup info '
+                   'name=vol_name,type=CephString '
+                   'name=group_name,type=CephString ',
+            'desc': "Get the metadata of a CephFS subvolume group in a volume, ",
+            'perm': 'r'
+        },
         {
             'cmd': 'fs subvolume ls '
                    'name=vol_name,type=CephString '
@@ -536,6 +543,11 @@ class Module(orchestrator.OrchestratorClientMixin, MgrModule):
                                               group_name=cmd['group_name'],
                                               force=cmd.get('force', False))
 
+    @mgr_cmd_wrap
+    def _cmd_fs_subvolumegroup_info(self, inbuf, cmd):
+        return self.vc.subvolumegroup_info(vol_name=cmd['vol_name'],
+                                           group_name=cmd['group_name'])
+
     @mgr_cmd_wrap
     def _cmd_fs_subvolumegroup_ls(self, inbuf, cmd):
         return self.vc.list_subvolume_groups(vol_name=cmd['vol_name'])
-- 
2.39.5