From 5416f8599ffa92b69bb87434dc1175d760760bbe Mon Sep 17 00:00:00 2001
From: "Suren A. Chilingaryan" <csa@suren.me>
Date: Thu, 5 Jul 2018 16:22:30 +0200
Subject: Initial import

---
 ssh.yml | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)
 create mode 100644 ssh.yml

(limited to 'ssh.yml')

diff --git a/ssh.yml b/ssh.yml
new file mode 100644
index 0000000..43d8d2d
--- /dev/null
+++ b/ssh.yml
@@ -0,0 +1,30 @@
+- name: Store known hosts of 'all' the hosts in the inventory file
+  hosts: all:localhost
+  connection: local
+  tasks:
+  - delegate_to: "localhost"
+    set_fact: target_hosts="{{ play_hosts | difference(['localhost']) }}"
+    
+ 
+- name: Store known hosts of 'all' the hosts in the inventory file
+  hosts: localhost
+  connection: local
+ 
+  vars:
+    ssh_known_hosts_command: "ssh-keyscan -T 10"
+    ssh_known_hosts_file: "{{ lookup('env','HOME') + '/.ssh/known_hosts' }}"
+    ssh_known_hosts: "{{ target_hosts }}"
+
+  tasks:
+  - name: For each host, scan for its ssh public key
+    shell: "ssh-keyscan {{ item }},`dig +short {{ item }}`"
+    with_items: "{{ ssh_known_hosts }}"
+    register: ssh_known_host_results
+    ignore_errors: yes
+
+  - name: "Add/update the public key of {{ item.item }} in the {{ ssh_known_hosts_file }}"
+    known_hosts:
+      name: "{{ item.item }}"
+      key: "{{ item.stdout }}"
+      path: "{{ ssh_known_hosts_file }}"
+    with_items: "{{ ssh_known_host_results.results }}"
-- 
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