diff --git a/roles/juju-user-prep/files/ansible.cfg b/roles/juju-user-prep/files/ansible.cfg
new file mode 100644
index 0000000..dd43d2b
--- /dev/null
+++ b/roles/juju-user-prep/files/ansible.cfg
@@ -0,0 +1,2 @@
+[defaults]
+host_key_checking = false
diff --git a/roles/juju-user-prep/tasks/main.yml b/roles/juju-user-prep/tasks/main.yml
new file mode 100644
index 0000000..27f1d91
--- /dev/null
+++ b/roles/juju-user-prep/tasks/main.yml
@@ -0,0 +1,15 @@
+---
+# roles/juju-user-prep/main/tasks.yml
+
+- name: Disable host key checking in ~/.ssh/config
+  lineinfile:
+    dest={{ ansible_env['PWD'] }}/.ssh/config
+    line="StrictHostKeyChecking no"
+    create=yes
+    mode=0600
+
+- name: Disable host key checking in ~/.ansible.cfg
+  copy:
+    src=ansible.cfg
+    dest={{ ansible_env['PWD'] }}/.ansible.cfg
+