From 8020f71afd34d7696d7933659df2d763ab05542f Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sat, 4 May 2024 16:31:17 +0200
Subject: Adding upstream version 1.37.1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 health/health.d/cgroups.conf | 141 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 141 insertions(+)
 create mode 100644 health/health.d/cgroups.conf

(limited to 'health/health.d/cgroups.conf')

diff --git a/health/health.d/cgroups.conf b/health/health.d/cgroups.conf
new file mode 100644
index 0000000..4bfe38b
--- /dev/null
+++ b/health/health.d/cgroups.conf
@@ -0,0 +1,141 @@
+
+# you can disable an alarm notification by setting the 'to' line to: silent
+
+ template: cgroup_10min_cpu_usage
+       on: cgroup.cpu_limit
+    class: Utilization
+     type: Cgroups
+component: CPU
+       os: linux
+    hosts: *
+   lookup: average -10m unaligned
+    units: %
+    every: 1m
+     warn: $this > (($status >= $WARNING)  ? (75) : (85))
+     crit: $this > (($status == $CRITICAL) ? (85) : (95))
+    delay: down 15m multiplier 1.5 max 1h
+     info: average cgroup CPU utilization over the last 10 minutes
+       to: sysadmin
+
+ template: cgroup_ram_in_use
+       on: cgroup.mem_usage
+    class: Utilization
+     type: Cgroups
+component: Memory
+       os: linux
+    hosts: *
+     calc: ($ram) * 100 / $memory_limit
+    units: %
+    every: 10s
+     warn: $this > (($status >= $WARNING)  ? (80) : (90))
+     crit: $this > (($status == $CRITICAL) ? (90) : (98))
+    delay: down 15m multiplier 1.5 max 1h
+     info: cgroup memory utilization
+       to: sysadmin
+
+# -----------------------------------------------------------------------------
+# check for packet storms
+
+# 1. calculate the rate packets are received in 1m: 1m_received_packets_rate
+# 2. do the same for the last 10s
+# 3. raise an alarm if the later is 10x or 20x the first
+# we assume the minimum packet storm should at least have
+# 10000 packets/s, average of the last 10 seconds
+
+ template: cgroup_1m_received_packets_rate
+       on: cgroup.net_packets
+    class: Workload
+     type: Cgroups
+component: Network
+    hosts: *
+   lookup: average -1m unaligned of received
+    units: packets
+    every: 10s
+     info: average number of packets received by the network interface $family over the last minute
+
+ template: cgroup_10s_received_packets_storm
+       on: cgroup.net_packets
+    class: Workload
+     type: Cgroups
+component: Network
+    hosts: *
+   lookup: average -10s unaligned of received
+     calc: $this * 100 / (($1m_received_packets_rate < 1000)?(1000):($1m_received_packets_rate))
+    every: 10s
+    units: %
+     warn: $this > (($status >= $WARNING)?(200):(5000))
+     crit: $this > (($status == $CRITICAL)?(5000):(6000))
+  options: no-clear-notification
+     info: ratio of average number of received packets for the network interface $family over the last 10 seconds, \
+           compared to the rate over the last minute
+       to: sysadmin
+
+# ---------------------------------K8s containers--------------------------------------------
+
+ template: k8s_cgroup_10min_cpu_usage
+       on: k8s.cgroup.cpu_limit
+    class: Utilization
+     type: Cgroups
+component: CPU
+       os: linux
+    hosts: *
+   lookup: average -10m unaligned
+    units: %
+    every: 1m
+     warn: $this > (($status >= $WARNING)  ? (75) : (85))
+     crit: $this > (($status == $CRITICAL) ? (85) : (95))
+    delay: down 15m multiplier 1.5 max 1h
+     info: average cgroup CPU utilization over the last 10 minutes
+       to: sysadmin
+
+ template: k8s_cgroup_ram_in_use
+       on: k8s.cgroup.mem_usage
+    class: Utilization
+     type: Cgroups
+component: Memory
+       os: linux
+    hosts: *
+     calc: ($ram) * 100 / $memory_limit
+    units: %
+    every: 10s
+     warn: $this > (($status >= $WARNING)  ? (80) : (90))
+     crit: $this > (($status == $CRITICAL) ? (90) : (98))
+    delay: down 15m multiplier 1.5 max 1h
+     info: cgroup memory utilization
+       to: sysadmin
+
+# check for packet storms
+
+# 1. calculate the rate packets are received in 1m: 1m_received_packets_rate
+# 2. do the same for the last 10s
+# 3. raise an alarm if the later is 10x or 20x the first
+# we assume the minimum packet storm should at least have
+# 10000 packets/s, average of the last 10 seconds
+
+ template: k8s_cgroup_1m_received_packets_rate
+       on: k8s.cgroup.net_packets
+    class: Workload
+     type: Cgroups
+component: Network
+    hosts: *
+   lookup: average -1m unaligned of received
+    units: packets
+    every: 10s
+     info: average number of packets received by the network interface $family over the last minute
+
+ template: k8s_cgroup_10s_received_packets_storm
+       on: k8s.cgroup.net_packets
+    class: Workload
+     type: Cgroups
+component: Network
+    hosts: *
+   lookup: average -10s unaligned of received
+     calc: $this * 100 / (($k8s_cgroup_10s_received_packets_storm < 1000)?(1000):($k8s_cgroup_10s_received_packets_storm))
+    every: 10s
+    units: %
+     warn: $this > (($status >= $WARNING)?(200):(5000))
+     crit: $this > (($status == $CRITICAL)?(5000):(6000))
+  options: no-clear-notification
+     info: ratio of average number of received packets for the network interface $family over the last 10 seconds, \
+           compared to the rate over the last minute
+       to: sysadmin
-- 
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