diff --git a/roles/compute-node/vars/main.yml b/roles/compute-node/vars/main.yml
new file mode 100644
index 0000000..6d1a0cd
--- /dev/null
+++ b/roles/compute-node/vars/main.yml
@@ -0,0 +1 @@
+pub_ssh_key: "{{ lookup('file', 'files/id_rsa.pub') }}"