RBD pool cleaning command

pool_clean.sh

@@ -0,0 +1,26 @@
+#!/bin/bash
+
+set -e -u
+
+pool=prod
+
+images=$( rbd -p "$pool" ls )
+
+regexp='rbd_directory$|rbd_children$|rbd_info$'
+for image in $images; do
+    prefix=$( rbd --format=json info "$pool/$image" | jq -r .block_name_prefix )
+    [[ "$prefix" =~ ^rbd_data\.([a-f0-9]+)$ ]] || exit 1
+    #echo "$image - $prefix"
+    image_id=${BASH_REMATCH[1]}
+    regexp="$regexp|rbd_[a-z_]+[.]$image_id([.][a-f0-9]+)?"
+    regexp="$regexp|rbd_id[.]$image"
+done
+regexp="^($regexp)\$"
+
+rados -p "$pool" ls | egrep -v "$regexp" > extra.txt
+
+# xargs rados -p "$pool" rm < extra.txt
+
+#while read line; do
+#    rados -p "$pool" stat "$line"
+#done < extra.txt > sizes.txt