wdias-data-collector

Kubernetes nodes and pods data collection for analysys.

Installation

• Go to the Web Server cd web and build with npm run build
• Go helm-chart dir cd ./helm
• Build and deploy into K8s with wdias build ~/wdias/wdias-data-collector & wdias up helm/wdias-data-collector
  • wdias refer to wdias="~/wdias/wdias/bin/macos/dev" from wdias

Installation -> Minikube

• Make sure metrics-server is running on the K8s with minikube addons enable metrics-server
  • List addons with minikube addons list
• Create a cluster role for default name space with kubectl create clusterrolebinding default-cluster-admin --clusterrole=cluster-admin --serviceaccount=default:default

Installation -> Metrics-Server

In order to install this service, need to install metrics-server. If you're using Docker-for-Mac or similar which doesn't have metrics-server, then need to install Metrics Server manually.

Access the API with http://analysis-api.wdias.com/metrics.

Support

• cd ~/wdias && wdias build wdias-data-collector && helm del --purge wdias-data-collector && wdias helm_install wdias-data-collector/helm/wdias-data-collector
• kubectl get pods --all-namespaces | grep 'wdias-data-collector' | grep 'Running' | awk '{print $2}' | xargs kubectl logs -f --tail=20

Dev Guide

• Connect to running pod: kubectl get pods | grep 'wdias-data-collector' | awk '{print $1}' | xargs -o -I {} kubectl exec -it {} -- /bin/sh
• Connect to SQLLite DB - sqllite3 wdias.db
  • Cheet Sheet: https://vicente-hernando.appspot.com/sqlite3-cheat-sheet

Trouble shooting

• Update golang with Go modules
• Update k8s client-go