From e015807e729686dafc9ed6f9f81a0705d80705ff Mon Sep 17 00:00:00 2001
From: Kevin Fenzi <kevin@scrye.com>
Date: Thu, 28 May 2015 19:58:02 +0000
Subject: [PATCH] Add the same logic as for virt hosts to cloud spin up. When
 new instance is made it gathers the key automatically.

---
 tasks/persistent_cloud_new.yml | 14 ++++++++++++++
 tasks/transient_cloud.yml      | 12 ++++++++++++
 2 files changed, 26 insertions(+)

diff --git a/tasks/persistent_cloud_new.yml b/tasks/persistent_cloud_new.yml
index 3ffc457ea0..ab313357dc 100644
--- a/tasks/persistent_cloud_new.yml
+++ b/tasks/persistent_cloud_new.yml
@@ -44,6 +44,20 @@
   local_action: wait_for host={{ public_ip }} port=22 delay=1 timeout=600
   when: host_is_up|failed
 
+- name: gather ssh host key from new instance
+  local_action: command ssh-keyscan -t rsa {{ inventory_hostname }}
+  ignore_errors: True
+  register: hostkey
+  when: host_is_up|failed
+
+- name: add new ssh host key (you still need to add it to official ssh_host_keys later)
+  local_action: known_hosts path={{item}} key="{{ hostkey.stdout }}" host={{ inventory_hostname }} state=present
+  ignore_errors: True
+  with_items:
+  - /root/.ssh/known_hosts
+  - /etc/ssh/ssh_known_hosts
+  when: host_is_up|failed
+
 # SSH is up and running, however cloud-init still did not deployed ssh keypair
 # we have to wait some time. 10 sec is usually enough, but not always.
 - name: waiting for cloud-init
diff --git a/tasks/transient_cloud.yml b/tasks/transient_cloud.yml
index 69478a9b36..e432423a1a 100644
--- a/tasks/transient_cloud.yml
+++ b/tasks/transient_cloud.yml
@@ -36,6 +36,18 @@
 - name: wait for he host to be hot
   local_action: wait_for host={{ nova_result.public_ip }} port=22 delay=1 timeout=600
 
+- name: gather ssh host key from new instance
+  local_action: command ssh-keyscan -t rsa {{ nova_result.public_ip }}
+  ignore_errors: True
+  register: hostkey
+
+- name: add new ssh host key (you still need to add it to official ssh_host_keys later)
+  local_action: known_hosts path={{item}} key="{{ hostkey.stdout }}" host={{ nova_result.public_ip }} state=present
+  ignore_errors: True
+  with_items:
+  - /root/.ssh/known_hosts
+  - /etc/ssh/ssh_known_hosts
+
 # SSH is up and running, however cloud-init still did not deployed ssh keypair
 # we have to wait some time. 10 sec is usually enough, but not always.
 - name: waiting for cloud-init