k8s_cluster_access.md

Task: get access to Kubernetes cluster

Access k8s cluster on AWS

Create new context

kubectl config set-context altinity.k8s.local

Access k8s service locally

We can access any service inside k8s cluster on localhost via port-forwarding feature. Example: forwarding Graphana dashboard to localhost:3090

kubectl --namespace=grafana port-forward service/grafana-service 3090:3000

Point browser to http://localhost:3090 in order to access Grafana

Update k8s config

Add new cluster section to kubernetes config. It is usually located at ~/.kube/config

apiVersion: v1
clusters:
- cluster:
    certificate-authority-data: # AWS key
    server: # k8s API server URL like https://k8s.api.server.URL.on.Amazon.goes.here.amazonaws.com
  name: altinity.k8s.local
contexts:
- context:
    cluster: altinity.k8s.local
    user: altinity.k8s.local
  name: altinity.k8s.local
current-context: altinity.k8s.local
kind: Config
preferences: {}
users:
- name: altinity.k8s.local
  user:
    client-certificate-data: # AWS key
    client-key-data: # AWS key
    password: # password here
    username: admin
- name: altinity.k8s.local-basic-auth
  user:
    password: # password here
    username: admin