Preparations

Creating a VPC

A VPC is an isolated virtual network environment on Huawei Cloud. You can create security groups and subnets, configure IP address ranges, specify bandwidth sizes, and assign Elastic IP addresses (EIPs) in a VPC.

1. Log in to the VPC console.
2. Click Create VPC in the upper right corner.
3. Retain default values for parameters unless otherwise specified. Then, click Create Now.

   For details, see Creating a VPC.

Creating a Key Pair

Create a key pair for identity authentication upon remote node login.

1. Log in to the Elastic Cloud Server (ECS) console.
2. In the navigation pane, choose Key Pair. On the page displayed, click Create Key Pair in the upper right corner.
3. Enter a key pair name and click OK.
4. Manually or automatically download the private key file. The file name is the specified key pair name with a suffix of .pem. Securely store the private key file. In the dialog box displayed, click OK.
   

   For security purposes, a key pair can be downloaded only once. Keep it secure to ensure successful login.

Creating a Load Balancer

A load balancer will be used as the external access entry of a service mesh, which will route the traffic to backend services.

1. Log in to the Elastic Load Balance (ELB) console.
2. Click Buy Elastic Load Balancer in the upper right corner.
3. Purchase a shared load balancer by referring to Creating a Shared Load Balancer.
   • Network Type: Select Public network.
   • VPC and Subnet: Select the VPC and subnet created in Creating a VPC.
   Figure 1 Buying an elastic load balancer
   

Creating a Cluster

1. Log in to the CCE console.
2. In the navigation pane, choose Resource Management > Clusters. On the displayed page, click Buy next to CCE Cluster.

   For details about how to create a cluster, see Buying a CCE Cluster.

3. On the Configure page, configure the following parameters and retain the default values for other parameters.
   • Cluster Name: Enter a cluster name, for example, cluster-test.
   • VPC and Subnet: Select the VPC and subnet created in Creating a VPC.

4. Click Next: Create Node, configure the following parameters, and retain the default values for other parameters.
   • Specifications: 4 vCPUs and 8 GiB of memory.
   • Login Mode: Select the key pair created in Creating a Key Pair for identity authentication upon remote node login.

5. Click Next: Install Add-on and select the add-ons to be installed in the Install Add-on step.

   System resource add-on must be installed. Advanced functional add-on is optional.

6. Click Next: Confirm. Read the product constraints and select I am aware of the above limitations. Review the configured parameters and specifications.
7. Submit the order.

   If this is a yearly/monthly cluster, click Pay Now and follow on-screen prompts to pay the order.

   It takes about 6 to 10 minutes to create a cluster. You can click Back to Cluster List to perform other operations on the cluster or click Go to Cluster Events to view the cluster details.

(Optional) Creating a Namespace

1. Log in to the CCE console.
2. In the navigation pane, choose Resource Management > Namespaces. Then, click Create Namespace in the upper right corner.
3. Enter the namespace name and select the created cluster.
4. Click OK.

Creating a Workload and a Service

1. Log in to the CCE console.
2. Choose Workloads > Deployments. In the the upper right corner, click Create Workload.
3. Create a workload and a Service by referring to Creating a Deployment.

Buying a Service Mesh

1. Log in to the ASM console and click Buy Mesh.
2. Select the cluster named cluster-test created in Creating a Cluster and select nodes on which the Istio control plane is installed. Two or more nodes in different AZs are recommended.
3. Click Show Advanced Settings. In Namespace Injection Settings, select the namespace named default and enable Restart Existing Services. Configure other parameters as required.
4. In Observability Configuration, select Enable Application Metrics. AOM Service is selected by default. Other parameters in Observability Configuration can be configured as required.

5. Review the service mesh configuration in Configuration List on the right of the page and click Submit.

   It takes about 1 to 3 minutes to create a service mesh. If the service mesh status changes from Installing to Running, the service mesh is successfully created.

Diagnosing Configurations

ASM diagnoses all services in a managed cluster. Grayscale release can be performed only for services that are diagnosed as normal.

1. Log in to the ASM console, click the service mesh named asmtest to access its details page.
2. In the navigation pane, choose Service Management, select Namespace: default, and view the configuration diagnosis result of servicetest.
3. If Abnormal is displayed, click Fix to fix the issue.