From 75e02d510313bde9cdf4c5fe8bfd6148eea3ffef Mon Sep 17 00:00:00 2001
From: Mark Goddard <mark@stackhpc.com>
Date: Wed, 5 Apr 2017 16:04:10 +0100
Subject: [PATCH] Allow compute nodes being discovered to be limited
---
ansible/compute-node-discovery.yml | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/ansible/compute-node-discovery.yml b/ansible/compute-node-discovery.yml
index 983d2654..51154757 100644
--- a/ansible/compute-node-discovery.yml
+++ b/ansible/compute-node-discovery.yml
@@ -2,6 +2,11 @@
- name: Ensure compute nodes are present in the Ansible inventory
hosts: config-mgmt
gather_facts: no
+ vars:
+ # Set this to a colon-separated list of compute node hostnames on which to
+ # trigger discovery. If unset, all compute nodes will be triggered.
+ compute_node_limit:
+ compute_node_limit_list: "{{ compute_node_limit.split(':') }}"
tasks:
- name: Add hosts for the compute nodes
add_host:
@@ -12,6 +17,7 @@
when:
- "{{ item.key not in groups['all'] }}"
- "{{ item.key | replace('-idrac', '') not in groups['all'] }}"
+ - "{{ not compute_node_limit or item.key | replace('-idrac', '') in compute_node_limit_list }}"
run_once: True
- name: Ensure compute nodes are PXE booted
--
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