k8s-misc

#switch context, cluster and use the user from exp-frontend context
kubectl config --kubeconfig=config-demo use-context exp-frontend

#CHECK EVENTS AND REASON BY POD
pod=$(kubectl get pods --selector="name=bad-frontend" --output=jsonpath={.items..metadata.name})
kubectl describe pod $pod


#Error ImageInspectError
kubectl set image deployment/http http=docker.io/katacoda/docker-http-server:latest

#DASHBOARD YAML DEF, URL
https://raw.githubusercontent.com/kubernetes/dashboard/master/src/deploy/recommended/kubernetes-dashboard.yaml

#USING KOMPOSE TO RUN DOCKER COMPOSE INSIDE K8s
#Install
curl -L https://github.com/kubernetes/kompose/releases/download/v1.9.0/kompose-linux-amd64 -o /usr/bin/kompose && chmod +x /usr/bin/kompose

#to run
kompose up

#Convert docker-compose files to k8s manifests
kompose convert

#HELM
#install
curl -LO https://storage.googleapis.com/kubernetes-helm/helm-v2.8.2-linux-amd64.tar.gz
tar -xvf helm-v2.8.2-linux-amd64.tar.gz
mv linux-amd64/helm /usr/local/bin/

#init and update helm
helm init
helm repo update

#WEAVE SCOPE
kubectl create -f 'https://cloud.weave.works/launch/k8s/weavescope.yaml'