Add some more

btrfs-retention.sh

@@ -0,0 +1,18 @@
+#!/bin/sh
+#
+# BTRFS rolling snapshots
+# CC0 ~caskd
+
+: ${SRC:?'Source not defined'}
+: ${DEST:?'Destination not defined'}
+: ${NAME:?'Name not defined'}
+: ${SN:?'Selection name not defined'}
+: ${RT:?'Retention time not defined'}
+
+s="$SRC"
+d="$DEST/$SN/$NAME"
+
+mkdir -p "${d%/*}"
+find "$DEST" -mindepth 1 -maxdepth 1 -type d -ctime +"$RT" -exec echo "{}/$NAME" ';' | xargs btrfs subvolume del
+btrfs subvolume delete "$d"
+btrfs subvolume snapshot -r "$s" "$d"

migrate-rbd.sh

@@ -0,0 +1,32 @@
+#!/bin/sh
+#
+# Don't use this script, just use rbd migrate X, this doesn't persist any snapshots
+
+sourcepool="$1"
+destpool="$2"
+destdatapool="${3:-$destpool}"
+snapname="${4:-premigrate}"
+
+checkdep() {
+	if ! which "$1" >/dev/null; then
+		echo "Missing $1 support"
+		exit 1
+	fi
+}
+
+checkdep "rbd"
+checkdep "jq"
+
+for img in $(rbd -p "$sourcepool" ls); do
+	if ! rbd -p "$sourcepool" status --format json "$img" | jq -e '.watchers[]'; then
+		echo "Migrating $img"
+		if rbd -p "$sourcepool" snap add "$img"@"$snapname"; then
+			rbd -p "$sourcepool" --dest-pool "$2" --data-pool "$3" clone "$img"@"$snapname" "$img"
+			rbd -p "$destpool" flatten "$img"
+
+			# Cleanup
+			rbd -p "$sourcepool" snap rm "$img"@"$snapname"
+			#rbd -p "$sourcepool" rm "$img"
+		fi
+	fi
+done