Kubectl

Kubectl

k get pods -n <NAMESPACE_NAME>


# RECURSOS
k top pod <POD_NAME> -n <NAMESPACE_NAME> --containers
k top pod -n <NAMESPACE_NAME>


# LOG
k logs <POD_NAME> -n <NAMESPACE_NAME>


# Forward a local port to a port on the Pod
k get service <SERVICE> -n <NAMESPACE_NAME>
k port-forward -n <NAMESPACE_NAME> <POD> 28015:<SERVICE_PORT>


# CONFIGMAP
k get configmap -n <NAMESPACE_NAME> <CONFIGMAP_NAME> -o yaml > ./configmap.yaml
k apply -n <NAMESPACE_NAME> -f ./configmap.yaml


# SCALE
k scale deployment -n <NAMESPACE_NAME> <deployment> --replicas=1

# REDEPLOY
k rollout restart deployment <deployment_name> -n <namespace>





### Generic
kubectl explain < RESOURSE > // help  
kubectl get <pod, deployment, service, replicasets, ...>  
kubectl get <resourse> -o wide // wide retorna mais detalhes 
  
### Context
kubectl config get-contexts  
kubectl config rename-context old-name new-name  
kubectl config unset contexts.<NAME_CONTEXT>  
kubectl config set-context $(kubectl config current-context) -n <NAMESPACE_NAME> // evitar utilizar  

### Namespace
kubectl get ns --context <CONTEXT_NAME>  

### Recurso
kubectl apply -f <YAML> --context <CONTEXT_NAME>  
kubectl delete -f <YAML> --context <CONTEXT_NAME>  
kubectl port-forward <servico> 8000:8000 -n <NAMESPACE_NAME>  

### Replicasets
kubectl get replicasets --context <CONTEXT_NAME>  

### Pods
kubectl get pods --context <CONTEXT_NAME>  
kubectl describe pods <POD_NAME> -n <NAMESPACE_NAME> --context <CONTEXT_NAME>  
kubectl delete pod <NAME_POD> -n <NAMESPACE_NAME> --context <CONTEXT_NAME>
kubectl exec -it <pod-name> <command>

### Deployments
kubectl get deployments --context <CONTEXT_NAME>  

### Logs  
kubectl logs <pod-name>  

### Nodes
kubectl get nodes