Kubernetes Service Operations
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Internal
List Services
kubectl [-n <namespace>] get svc
Describe a Service
kubectl [-o yaml] get svc <service-name>
kubectl describe svc <service-name>
Create a Service
With CLI
A service of any type (ClusterIP, NodePort, LoadBalancer, or ExternalName) can be created with the kubectl expose command.
More details:
With Metadata
Describe the service in a metadata YAML file:
apiVersion: v1
kind: Service
metadata:
name: some-service
spec:
selector:
function: serves-http
ports:
- port: 80
targetPort: 8888
More details about the service manifest available in:
POST it with:
kubectl apply -f ./service.yaml
Service Troubleshooting
Services can be tested as follows:
- Deploy an auxiliary pod, kubectl exec into it and attempt to connect to the target pods via the service.
- ssh into a Kubernetes node and use the curl command from there.