[ANSIBLE] Do not add kubernetes nodes host keys to known_hosts file

This operation is redundant and causes a warning on each ssh connection
from infra host to any node. As per documentation keys should be set up
prior to running installer with setup.yml playbook. If using cicdansible
those are also set up automatically there.

Change-Id: I4fae07f632b425321e95cff02370e6e7f2b5e66f
Issue-ID: OOM-2964
Signed-off-by: Bartek Grzybowski <b.grzybowski@partner.samsung.com>

diff --git a/ansible/roles/rke/tasks/rke_config.yml b/ansible/roles/rke/tasks/rke_config.yml
index 9dc0d8c..2759a47 100644 (file)
--- a/ansible/roles/rke/tasks/rke_config.yml
+++ b/ansible/roles/rke/tasks/rke_config.yml
@@ -5,14 +5,6 @@
     mode: 0700
     state: directory
 
-- name: Add kubernetes nodes host keys to known_hosts file
-  known_hosts:
-    name: "{{ hostvars[item].cluster_ip }}"
-    key: "{{ hostvars[item].cluster_ip }} ssh-rsa {{ hostvars[item].ansible_ssh_host_key_rsa_public }}"
-    hash_host: true
-    state: present
-  loop: "{{ groups['kubernetes'] }}"
-
 - name: "Ensure {{ cluster_config_dir }} is present"
   file:
     path: "{{ cluster_config_dir }}"