From 5d3e812fd7fd1eeae3bb02018e75c6204c85a84c Mon Sep 17 00:00:00 2001
From: Rob Brown <rob.brown@visual20.com>
Date: Thu, 14 May 2020 15:00:24 +0100
Subject: [PATCH 1/3] Add HostNetworkNot1GbSpeed rule

---
 _data/rules.yml | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/_data/rules.yml b/_data/rules.yml
index 0c1de75..e503740 100644
--- a/_data/rules.yml
+++ b/_data/rules.yml
@@ -223,6 +223,10 @@ groups:
                 description: '{{ $labels.instance }} interface {{ $labels.device }} has encountered {{ printf "%.0f" $value }} transmit errors in the last five minutes.'
                 query: 'increase(node_network_transmit_errs_total[5m]) > 0'
                 severity: warning
+              - name: Host Network Not 1Gb Speed
+                description: 'The network interface "{{ $labels.device }}" on "{{ $labels.instance }}" is not connected at 1Gb.'
+                query: 'node_network_speed_bytes != 125000000'
+                severity: warning
                 
       - name: Docker containers
         exporters:

From 5050fd64d5e5eb6b2faba81d85d81a5d9b637cae Mon Sep 17 00:00:00 2001
From: Rob Brown <rob.brown@visual20.com>
Date: Thu, 14 May 2020 16:57:19 +0100
Subject: [PATCH 2/3] Correct "device" to "interface"

---
 _data/rules.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/_data/rules.yml b/_data/rules.yml
index e503740..9893353 100644
--- a/_data/rules.yml
+++ b/_data/rules.yml
@@ -224,7 +224,7 @@ groups:
                 query: 'increase(node_network_transmit_errs_total[5m]) > 0'
                 severity: warning
               - name: Host Network Not 1Gb Speed
-                description: 'The network interface "{{ $labels.device }}" on "{{ $labels.instance }}" is not connected at 1Gb.'
+                description: 'The network interface "{{ $labels.interface }}" on "{{ $labels.instance }}" is not connected at 1Gb.'
                 query: 'node_network_speed_bytes != 125000000'
                 severity: warning
                 

From 06205cd91c356d4e4a24f1d5bf5ba1fa47ffb048 Mon Sep 17 00:00:00 2001
From: Samuel Berthe <dev@samuel-berthe.fr>
Date: Sun, 11 Oct 2020 19:39:17 +0200
Subject: [PATCH 3/3] Update rules.yml

---
 _data/rules.yml | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/_data/rules.yml b/_data/rules.yml
index 9893353..849e647 100644
--- a/_data/rules.yml
+++ b/_data/rules.yml
@@ -223,9 +223,9 @@ groups:
                 description: '{{ $labels.instance }} interface {{ $labels.device }} has encountered {{ printf "%.0f" $value }} transmit errors in the last five minutes.'
                 query: 'increase(node_network_transmit_errs_total[5m]) > 0'
                 severity: warning
-              - name: Host Network Not 1Gb Speed
-                description: 'The network interface "{{ $labels.interface }}" on "{{ $labels.instance }}" is not connected at 1Gb.'
-                query: 'node_network_speed_bytes != 125000000'
+              - name: Host Network Interface Saturated
+                description: 'The network interface "{{ $labels.interface }}" on "{{ $labels.instance }}" is getting overloaded.'
+                query: '(rate(node_network_receive_bytes_total{device!~"^tap.*"}[1m]) + rate(node_network_transmit_bytes_total{device!~"^tap.*"}[1m])) / node_network_speed_bytes{device!~"^tap.*"} > 0.8'
                 severity: warning
                 
       - name: Docker containers