From 2b6d825d3c17ead3ca7dca0d6e8a34d8c1cadfd7 Mon Sep 17 00:00:00 2001
From: Liran Rotenberg <lrotenbe@redhat.com>
Date: Thu, 7 Dec 2023 17:52:24 +0200
Subject: [PATCH] Virt-v2v: read LUKS keys

This patch will read the given LUKS key provided to the container and
add them as arguments to the virt-v2v command. Since virt-v2v supports
this feature only since 2.2, it applies only for cold migrations.

Signed-off-by: Liran Rotenberg <lrotenbe@redhat.com>
---
 virt-v2v/cold/entrypoint | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/virt-v2v/cold/entrypoint b/virt-v2v/cold/entrypoint
index 3792fe2bf..5d9160a2a 100755
--- a/virt-v2v/cold/entrypoint
+++ b/virt-v2v/cold/entrypoint
@@ -71,6 +71,14 @@ for disk in /dev/block[0-9]* ; do
 	ln -s "$disk" "$DIR/$V2V_vmName-sd$(gen_name "$((num+1))")"
 done
 
+# Adds LUKS keys, if existing.
+if [ -d "/etc/luks" ]; then
+    IFS=$'\n'
+    for line in $(cat /etc/luks/luks); do
+        args+=(--key "$line")
+    done
+fi
+
 if [ "$V2V_source" == "vCenter" ] ; then
   # Store password to file
   echo -n "$V2V_secretKey" > "$DIR/vmware.pw"