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You can deploy a YugabyteDB cluster on Azure Kubernetes Service (AKS).

Microsoft's Azure Kubernetes Service provides a fully-managed Kubernetes service able to host their applications on containers in the cloud.

Prerequisites

Before deploying YugabyteDB on AKS, verify that the following components are installed and configured:

• kubectl

  • For more information, see Install and Set Up kubectl.
  • Kubernetes API

• Helm 3.4 or later

  • For more information, see Installing Helm.

• Microsoft Azure account with Pay As You Go enabled.

Deploy YugabyteDB on an Azure Kubernetes cluster

The following examples are based on using macOS.

Step 1: Install the Azure CLI

To install the Azure CLI on your local operating system, follow the instructions provided in Install the Azure CLI.

On macOS, you can run the following Homebrew command to install Azure CLI:

brew install azure-cli

After the Azure CLI is installed, use the following command to log in at the command line:

az login

After entering this command, a browser window appears for you to select the Azure credentials you are using.

You are logged into Microsoft Azure and can use the Azure CLI with your subscription. For more information, see Azure CLI documentation.

Step 2: Create a Resource Group

To create a resource group, you need to choose the location to host it. Run the following command to retrieve a list of the available locations:

az account list-locations

For the purposes of this example, the location is “West US”:

{
  "displayName": "West US",
  "id": "/subscriptions/53f36dd9-85d8-4690-b45b-92733d97e6c3/locations/westus",
  "latitude": "37.783",
  "longitude": "-122.417",
  "name": "westus",
  "subscriptionId": null
},

Create the resource group by running the following command, specifying the location:

az group create --name yugabytedbRG --location westus

{
  "id": "/subscriptions/53f36dd9-85d8-4690-b45b-92733d97e6c3/resourceGroups/yugabytedbRG",
  "location": "westus",
  "managedBy": null,
  "name": "yugabytedbRG",
  "properties": {
    "provisioningState": "Succeeded"
  },
  "tags": null,
  "type": "Microsoft.Resources/resourceGroups"
}

You should be able to see the yugabytedbRG resource group in the Azure portal by clicking Resource groups, as per the following illustration:

Step 3: Create the Kubernetes cluster

Create a Kubernetes cluster by running the following command:

az aks create \
--resource-group yugabytedbRG \
--name yugabytedbAKSCluster \
--node-count 3 \
--node-vm-size Standard_D4_v3 \
--enable-addons monitoring \
--generate-ssh-keys

Note that because you have not specified any zones in the preceding command, the AKS control plane components for the cluster will be deployed in a single zone.

The --generate-ssh-keys argument auto-generates SSH public and private key files to be stored in the ~/.ssh directory.

Expect to see the following output:

Finished service principal creation[###################]  100.0000%
 - Running ..

yugabytedbAKSCluster should be available in the Azure UI, as per the following illustration:

To create the cluster and use your own SSH keys, run the following command:

ssh-keygen -t rsa -b 2048

Follow the prompts to create the id_rsa and id_rsa.pub files, and record their location. Run the following command:

az aks create \
--resource-group yugabytedbRG \
--name yugabytedbAKSCluster \
--node-count 3 \
--node-vm-size Standard_D4_v3 \
--enable-addons monitoring \
--ssh-key-value <path_to>id_rsa.pub

After the cluster is installed, point kubectl to the cluster by running the following command:

az aks get-credentials --resource-group yugabytedbRG --name yugabytedbAKSCluster

You should see an output similar to the following:

Merged "yugabytedbAKSCluster" as current context in /Users/yugabyte-user/.kube/config

If you generated your own SSH keys, point kubectl to the cluster by running the following command instead:

az aks get-credentials --resource-group yugabytedbRG --name yugabytedbAKSCluster -ssh-key-file <path_to>id_rsa

Verify that the cluster nodes are running using the following command:

kubectl get nodes

You should see an output similar to the following:

You can also view the details of the cluster in the Kubernetes dashboard by running the following two commands:

kubectl create clusterrolebinding yb-kubernetes-dashboard --clusterrole=cluster-admin --serviceaccount=kube-system:kubernetes-dashboard --user=clusterUser

az aks browse --resource-group yugabytedbRG --name yugabytedbAKSCluster

A browser window appears where you can view the Kubernetes dashboard, as per the following illustration:

Step 4: Install YugabyteDB using Helm chart

You need to perform a number of steps to deploy YugabyteDB using Helm chart:

1. Add the YugabyteDB charts repository by running the following commands:

   helm repo add yugabytedb https://charts.yugabyte.com
   

   Get the latest update from the charts repository by running the following helm command:

   helm repo update
   

   Hang tight while we grab the latest from your chart repositories...
   ...Successfully got an update from the "yugabytedb" chart repository
   

   helm search repo yugabytedb/yugabyte --version 2.19.3
   

   NAME                 CHART VERSION  APP VERSION   DESCRIPTION
   yugabytedb/yugabyte  2.19.3          2.19.3.0-b140  YugabyteDB is the high-performance distributed ...
   

2. To create the yb-demo namespace, run the following command.

   kubectl create namespace yb-demo
   

   The following message should appear:

   namespace/yb-demo created
   

3. Install YugabyteDB in the yb-demo namespace by running the following commands to specify settings for resource constrained environments:

   helm install yb-demo -n yb-demo yugabytedb/yugabyte \
    --version 2.19.3 \
    --set storage.master.count=1 \
    --set storage.tserver.count=1 \
    --set storage.master.storageClass=default \
    --set storage.tserver.storageClass=default \
    --set resource.master.requests.cpu=1 \
    --set resource.master.requests.memory=1Gi \
    --set resource.tserver.requests.cpu=1 \
    --set resource.tserver.requests.memory=1Gi \
    --set resource.master.limits.cpu=1 \
    --set resource.master.limits.memory=1Gi \
    --set resource.tserver.limits.cpu=1 \
    --set resource.tserver.limits.memory=1Gi \
    --timeout=15m
   

   Depending on your resources, it may take some time to get everything installed, deployed, and configured.

   After you see a success message, you can verify that the YugabyteDB pods are running by using the following command:

   kubectl get pods --namespace yb-demo
   

   

   To access the YugabyteDB Admin UI, run the following command to locate the External IP entry associated with yb-master-ui and port 7000:

   kubectl get services --namespace yb-demo
   

   Navigate to http://<EXTERNAL_IP>:7000, replacing <EXTERNAL_IP> with your external IP address. You should see the following: