k8s in ACS

Install Azure CLI

curl -L https://aka.ms/InstallAzureCli | bash

Login

az login

Select subscription

az account set --subscription <subscriptionid>

Create Resoure Group

az group create --location eastus --name myResourceGroup

Create Cluster

az acs create --orchestrator-type=kubernetes --resource-group myResourceGroup   --name=myK8sCluster --agent-count=2 --generate-ssh-keys

Install kubectl

az acs kubernetes install-cli

Connect kubectl to cluster

az acs kubernetes get-credentials --resource-group=myResourceGroup --name=myK8sCluster

Get nodes

kubectl get nodes

Get services

kubectl get svc

Get pods

kubectl get pods

GUI

az acs kubernetes browse -g <resourceGroup> -n <clusterName>

run nginx

kubectl run nginx --image nginx

expose nginx

kubectl expose deployments nginx --port=80 --type=LoadBalancer

browse nginx

kubectl get svc

pod details

kubectl describe pod <id>

Create ACR

az acr create --resource-group azure-meetup-ka --name AzureMeetupKAACR --sku Basic --admin-enabled true

Get ACR credentials

az acr list --resource-group myResourceGroup --query "[].{acrName:name,acrLoginServer:loginServer}" --output table
az acr credential show --name <acrName> --query passwords[0].value -o tsv

Login to ACR

docker login --username=<acrName> --password=<acrPassword> <acrLoginServer>

Build images

docker build ./azure-voting-app/azure-vote -t azure-vote-front
docker build ./azure-voting-app/azure-back -t azure-vote-back

tag images

docker tag azure-vote-back <acrLoginServer>/azure-vote-back:v1
docker tag azure-vote-front <acrLoginServer>/azure-vote-front:v1

push images

docker push <acrLoginServer>/azure-vote-back:v1
docker push <acrLoginServer>/azure-vote-front:v1

list images

az acr repository list --name <acrName> --username <acrName> --password <acrPassword> --output table
az acr repository show-tags --name <acrName> --username <acrName> --password <acrPassword> --repository azure-vote-front --output table

deploy application

kubectl create -f storage-resources.yaml
kubectl create -f pod-secrets.yaml
kubectl create -f azure-vote-deployment.yaml
kubectl create -f services.yaml

wait for deployment

kubectl get service -w

Scale pods

kubectl scale --replicas=2 deployment/azure-vote-front

Scale agents

az acs scale --resource-group=hellokubernetes --name=azuresaturday --new-agent-count 2

update deployment

change config_file.cfg

rebuild front-image

docker build --no-cache ./azure-voting-app/azure-vote -t azure-vote-front:v2

re-tag front-image

docker tag azure-vote-front:v2 <acrLoginServer>/azure-vote-front:v2

push front-image v2

docker push <acrLoginServer>/azure-vote-front:v2

update front deployment

kubectl set image deployment azure-vote-front azure-vote-front=<acrLoginServer>/azure-vote-front:v2