From cdaa25a366245781eac714d81ecc57175ddbc9a8 Mon Sep 17 00:00:00 2001
From: Steve Brasier <steveb@stackhpc.com>
Date: Fri, 10 Oct 2025 15:32:03 +0100
Subject: [PATCH] add support for InfiniBand interfaces to NHC

---
 ansible/roles/nhc/README.md             | 1 +
 ansible/roles/nhc/templates/nhc.conf.j2 | 5 +++++
 2 files changed, 6 insertions(+)

diff --git a/ansible/roles/nhc/README.md b/ansible/roles/nhc/README.md
index 689f054a4..def7bffda 100644
--- a/ansible/roles/nhc/README.md
+++ b/ansible/roles/nhc/README.md
@@ -37,6 +37,7 @@ When the `ansible/site.yml` playbook is run this will automatically:
 
    - Filesystem mounts
    - Ethernet interfaces
+   - InfiniBand interfaces
 
    See `/etc/nhc/nhc.conf` on a compute node for the full configuration.
 
diff --git a/ansible/roles/nhc/templates/nhc.conf.j2 b/ansible/roles/nhc/templates/nhc.conf.j2
index 393af5aaf..5666ce4af 100644
--- a/ansible/roles/nhc/templates/nhc.conf.j2
+++ b/ansible/roles/nhc/templates/nhc.conf.j2
@@ -16,5 +16,10 @@
 {{ ansible_fqdn }} || check_hw_eth {{ iface }}
 {% endfor %}
 
+## InfiniBand interface checks
+{% for iface in ansible_interfaces | select('match', 'ib') %}
+{{ ansible_fqdn }} || check_hw_ib {{ (ansible_facts[iface]['speed'] / 1000) | int }} {{ iface }}
+{% endfor %}
+
 ## Site-specific checks
 {{ nhc_config_extra }}