1 files changed, 70 insertions, 0 deletions
diff --git a/health/health.d/cgroups.conf b/health/health.d/cgroups.conf
index aa416c79..4bfe38b6 100644
--- a/health/health.d/cgroups.conf
+++ b/health/health.d/cgroups.conf
@@ -69,3 +69,73 @@ component: Network
      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