import ceph nautilus 14.2.2

[ceph.git] / ceph / src / ceph-volume / ceph_volume / util / disk.py

diff --git a/ceph/src/ceph-volume/ceph_volume/util/disk.py b/ceph/src/ceph-volume/ceph_volume/util/disk.py
index 96417027db34e1f6952a6a68da8557006ee9043a..98239be3a445fdf7c8f02c6f8f4fb52354571faf 100644 (file)
--- a/ceph/src/ceph-volume/ceph_volume/util/disk.py
+++ b/ceph/src/ceph-volume/ceph_volume/util/disk.py
@@ -686,6 +686,26 @@ def human_readable_size(size):
         suffix=suffixes[suffix_index])
 
 
+def size_from_human_readable(s):
+    """
+    Takes a human readable string and converts into a Size. If no unit is
+    passed, bytes is assumed.
+    """
+    s = s.replace(' ', '')
+    if s[-1].isdigit():
+        return Size(b=float(s))
+    n = float(s[:-1])
+    if s[-1].lower() == 't':
+        return Size(tb=n)
+    if s[-1].lower() == 'g':
+        return Size(gb=n)
+    if s[-1].lower() == 'm':
+        return Size(mb=n)
+    if s[-1].lower() == 'k':
+        return Size(kb=n)
+    return None
+
+
 def get_partitions_facts(sys_block_path):
     partition_metadata = {}
     for folder in os.listdir(sys_block_path):