hubble是cilium的可观测性工具
安装hubble：
cilium hubble enable
Enable the Hubble UI
If you have not done so already, enable the Hubble UI by running the following command:
Cilium CLIHelmHelm (Standalone install)
cilium hubble enable --ui
🔑 Found existing CA in secret cilium-ca
✨ Patching ConfigMap cilium-config to enable Hubble...
♻️ Restarted Cilium pods
✅ Relay is already deployed
✅ Hubble UI is already deployed
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Open the Hubble UI
Open the Hubble UI in your browser by running cilium hubble ui. It will automatically set up a port forward to the hubble-ui service in your Kubernetes cluster and make it available on a local port on your machine.
cilium hubble ui
Forwarding from 0.0.0.0:12000 -> 8081
Forwarding from [::]:12000 -> 8081
kubectl port-forward -n kube-system deployment/hubble-ui 8080：8081
The above command will block and continue running while the port forward is active. You can interrupt the command to abort the port forward and re-run the command to make the UI accessible again.
If your browser has not automatically opened the UI, open the page http://localhost:12000 in your browser. You should see a screen with an invitation to select a namespace, use the namespace selector dropdown on the left top corner to select a namespace:
