Installing and configuring Istio components on K8s-Toy模板网

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Here's a step-by-step guide to installing and configuring Istio components, setting up basic routing, and implementing server-side authentication on Kubernetes:

Install Istio:
Download the latest release of Istio from the official Istio website.
Extract the files from the downloaded package.
Assuming you have a Kubernetes cluster, install Istio by running the following command:

$ istioctl install --set profile=default

Verify Istio installation:
Run the following command to ensure all necessary Istio components are running:

$ kubectl get pods -n istio-system

All the Istio pods should be in a "Running" state.
Enable automatic sidecar injection:
Label your Kubernetes namespace to enable automatic sidecar injection by running:

$ kubectl label namespace <your-namespace> istio-injection=enabled

This label allows Istio to automatically inject sidecar proxies into each pod in the specified namespace.
Set up basic routing:
Create a Kubernetes deployment, service, and virtual service for your application.
Create a deployment.yaml file with the necessary configuration for your application deployment.
Run the following command to create the deployment:

$ kubectl apply -f deployment.yaml

Create a service.yaml file with the necessary configuration for your application service.
Run the following command to create the service:

$ kubectl apply -f service.yaml

Create a virtualservice.yaml file with the necessary configuration for your virtual service, including the destination rules.
Run the following command to create the virtual service:

$ kubectl apply -f virtualservice.yaml

This sets up the routing for your application.
Implement server-side authentication:
Generate a server certificate and a private key for your application.
Create a Kubernetes secret to store the server certificate and private key:

$ kubectl create secret tls <secret-name> --cert=path/to/certificate.crt --key=path/to/private/key.key

Update your virtual service configuration to enable server-side authentication and specify the secret:

apiVersion: networking.istio.io/v1alpha3
     kind: VirtualService
     metadata:
       name: <virtual-service-name>
     spec:
       hosts:
       - <your-domain>
       gateways:
       - <your-gateway>
       http:
       - match:
         - uri:
             prefix: /
         route:
         - destination:
             host: <your-service>
             port:
               number: <your-service-port>
           weight: 100
         tls:
           credentialName: <secret-name>
           mode: SIMPLE

Apply the updated virtual service configuration:

$ kubectl apply -f updated-virtualservice.yaml

This enables server-side authentication for your application.

That's it! You have now installed and configured Istio, set up basic routing, and implemented server-side authentication on Kubernetes. You can now further explore advanced Istio features based on your application requirements.

Installing and configuring Istio components on K8s,软件工程技术架构,云原生