node_agent_k8s

command
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Published: Apr 23, 2019 License: Apache-2.0 Imports: 15 Imported by: 0

README

This page is deprecating. The new approach is under development.

To play with this demo, you need to:

  • Create a GKE cluster with version 1.8.7.

  • Deploy the node agent as DaemonSet by

kubectl apply -f nodeagent.yaml
  • Make sure the node agent is up and running
kubectl get pods
# Sample output
NAME                              READY     STATUS        RESTARTS   AGE
nodeagent-fs8lt                   1/1       Running       0          3m
nodeagent-qt6z6                   1/1       Running       0          3m
  • Deploy the workload pod.
kubectl apply -f workload_app/workload.yaml
  • Make sure the workload is up and running, and then check the log of node agent.
kubectl logs nodeagent-fs8lt
#Sample output
Node agent with both mgmt and workload api interfaces.

2018/02/12 17:51:48 workload [&{0xc420088780 /tmp/nodeagent/65dd5566-101d-11e8-a41f-42010af002c2/server.sock 0xc42006c150 0xc420164920}] listen
2018/02/12 17:52:41 Closed the listener.
2018/02/12 17:53:20 workload [&{0xc420088b40 /tmp/nodeagent/9c7f5c07-101d-11e8-a41f-42010af002c2/server.sock 0xc42006c1c0 0xc420164920}] listen
2018/02/12 17:53:20 [&{}]: &CheckRequest{Name:foo,} Check called
2018/02/12 17:53:20 Credentials are {9c7f5c07-101d-11e8-a41f-42010af002c2 udsver-client-5b99c548fd-64hrz default default <nil>}
...

From the output above you can see node agent is able to get the workload's uid info when receives requests from it.

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