k8s-scripts

A collection of scripts for Kubernetes administration.

Quick Installation

$ git clone https://github.com/tuladhar/k8s-scripts.git
$ chmod +x *.sh

List of scripts

restart-top-10-mem-hunger-deployment.sh - Restart memory hunger pods

Usage

$ ./restart-top-10-mem-hunger-deployment.sh k8s-worker-7

kubectl -n verf rollout restart deploy trinity-storefront-deploy # MEM: 1200m
kubectl -n verf rollout restart deploy trinity-api-deploy # MEM: 1200m
kubectl -n torc rollout restart deploy trinity-storefront-deploy # MEM: 1200m
kubectl -n thg-society rollout restart deploy trinity-storefront-deploy # MEM: 1200m
kubectl -n spiffingbrit rollout restart deploy trinity-storefront-deploy # MEM: 1200m
kubectl -n sooxfar rollout restart deploy trinity-storefront-deploy # MEM: 1200m
kubectl -n songhouse rollout restart deploy trinity-storefront-deploy # MEM: 1200m
kubectl -n songhouse rollout restart deploy trinity-api-deploy # MEM: 1200m
kubectl -n solorenekton rollout restart deploy trinity-storefront-deploy # MEM: 1200m
kubectl -n settled rollout restart deploy trinity-api-deploy # MEM: 1200m

To execute, run the command with source.

$ ./restart-top-10-mem-hunger-deployment.sh k8s-worker-7 | source

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top-usage-by-ns.sh - List top memory/cpu consuming namespace

Usage

$ ./top-usage-by-ns.sh memory

--- Top Memory Usage By Namespace ---
NAMESPACE                 MEMORY(bytes)
kube-system               10815Mi
logging                   5713Mi
core                      5702Mi
ingress-nginx             3890Mi
demo                      3574Mi

$ ./top-usage-by-ns.sh cpu

--- Top CPU Usage By Namespace ---
NAMESPACE                 CPU(cores)
kube-system               3865m
logging                   752m
monitoring                700m
ingress-nginx             341m
konga                     276m