From c82762c5691e3cbc27a5d0f4f664cf30c2c51548 Mon Sep 17 00:00:00 2001
From: Dawud M <7688823+technowhizz@users.noreply.github.com>
Date: Wed, 4 Jan 2023 17:26:21 +0000
Subject: [PATCH 1/2] Add awesome alerts alert for NTP

Change-Id: I80610eeaa5cd7f83b0753af97d53cedbe12c2c86
---
 .../kolla/config/prometheus/system.rules       | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/etc/kayobe/kolla/config/prometheus/system.rules b/etc/kayobe/kolla/config/prometheus/system.rules
index ffc7d25a3..6adf515a6 100644
--- a/etc/kayobe/kolla/config/prometheus/system.rules
+++ b/etc/kayobe/kolla/config/prometheus/system.rules
@@ -78,4 +78,22 @@ groups:
       summary: "Host EDAC Uncorrectable Errors detected (instance {{ $labels.instance }})"
       description: "{{ $labels.instance }} has had {{ printf \"%.0f\" $value }} uncorrectable memory errors reported by EDAC in the last 5 minutes."
 
+  - alert: HostClockSkew
+    expr: (node_timex_offset_seconds > 0.05 and deriv(node_timex_offset_seconds[5m]) >= 0) or (node_timex_offset_seconds < -0.05 and deriv(node_timex_offset_seconds[5m]) <= 0)
+    for: 2m
+    labels:
+      severity: warning
+    annotations:
+      summary: Host clock skew (instance {{ $labels.instance }})
+      description: "Clock skew detected. Clock is out of sync. Ensure NTP is configured correctly on this host."
+
+  - alert: HostClockNotSynchronising
+    expr: min_over_time(node_timex_sync_status[1m]) == 0 and node_timex_maxerror_seconds >= 16
+    for: 2m
+    labels:
+      severity: warning
+    annotations:
+      summary: Host clock not synchronising (instance {{ $labels.instance }})
+      description: "Clock not synchronising. Ensure NTP is configured on this host."
+
 {% endraw %}

From fe3bb67e1ded5cced548ec0fc4a0ab0fed0be0fa Mon Sep 17 00:00:00 2001
From: Dawud M <7688823+technowhizz@users.noreply.github.com>
Date: Wed, 25 Jan 2023 10:24:25 +0000
Subject: [PATCH 2/2] Add release note

---
 releasenotes/notes/ntp-alerts-0d110b4979457165.yaml | 4 ++++
 1 file changed, 4 insertions(+)
 create mode 100644 releasenotes/notes/ntp-alerts-0d110b4979457165.yaml

diff --git a/releasenotes/notes/ntp-alerts-0d110b4979457165.yaml b/releasenotes/notes/ntp-alerts-0d110b4979457165.yaml
new file mode 100644
index 000000000..62d932cc2
--- /dev/null
+++ b/releasenotes/notes/ntp-alerts-0d110b4979457165.yaml
@@ -0,0 +1,4 @@
+---
+features:
+  - |
+    Adds NTP alerts to prometheus alertmanager.
\ No newline at end of file