From 5d8d82d529597010bcd1ece30aec5b1a8d5ff905 Mon Sep 17 00:00:00 2001
From: Christian Pointner <equinox@spreadspace.org>
Date: Thu, 24 Aug 2023 23:50:56 +0200
Subject: add nftables prometheus exporter

---
 roles/monitoring/prometheus/server/defaults/main/main.yml     |  1 +
 .../prometheus/server/defaults/main/rules_nftables.yml        | 11 +++++++++++
 2 files changed, 12 insertions(+)
 create mode 100644 roles/monitoring/prometheus/server/defaults/main/rules_nftables.yml

(limited to 'roles/monitoring/prometheus/server/defaults/main')

diff --git a/roles/monitoring/prometheus/server/defaults/main/main.yml b/roles/monitoring/prometheus/server/defaults/main/main.yml
index 1e0dcf32..7a9adde4 100644
--- a/roles/monitoring/prometheus/server/defaults/main/main.yml
+++ b/roles/monitoring/prometheus/server/defaults/main/main.yml
@@ -38,6 +38,7 @@ prometheus_server_rules:
   standalone-kubelet: "{{ prometheus_server_rules_standalone_kubelet + prometheus_server_rules_standalone_kubelet_extra }}"
   modbus: "{{ prometheus_server_rules_modbus + prometheus_server_rules_modbus_extra }}"
   modbus/probe: "{{ prometheus_server_rules_modbus__probe + prometheus_server_rules_modbus__probe_extra }}"
+  nftables: "{{ prometheus_server_rules_nftables + prometheus_server_rules_nftables_extra }}"
 
 # prometheus_server_alertmanager:
 #   url: "127.0.0.1:9093"
diff --git a/roles/monitoring/prometheus/server/defaults/main/rules_nftables.yml b/roles/monitoring/prometheus/server/defaults/main/rules_nftables.yml
new file mode 100644
index 00000000..8ce0b1c9
--- /dev/null
+++ b/roles/monitoring/prometheus/server/defaults/main/rules_nftables.yml
@@ -0,0 +1,11 @@
+---
+prometheus_server_rules_nftables_extra: []
+prometheus_server_rules_nftables:
+  - alert: NftablesFailedToReadRuleset
+    expr: nftables_up == 0
+    for: 2m
+    labels:
+      severity: warning
+    annotations:
+      summary: Unable to read nftables ruleset (instance {{ '{{' }} $labels.instance {{ '}}' }})
+      description: "The nftables collector failed to read the ruleset from the kernel.\n  VALUE = {{ '{{' }} $value {{ '}}' }}\n  LABELS = {{ '{{' }} $labels {{ '}}' }}"
-- 
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