connect_to_k8s_api.sh

# https://kubernetes.io/docs/tasks/administer-cluster/access-cluster-api/#without-kubectl-proxy

# Check all possible clusters, as you .KUBECONFIG may have multiple contexts:
kubectl config view -o jsonpath='{"Cluster name\tServer\n"}{range .clusters[*]}{.name}{"\t"}{.cluster.server}{"\n"}{end}'

# Select name of cluster you want to interact with from above output:
export CLUSTER_NAME="some_server_name"

# Point to the API server refering the cluster name
APISERVER=$(kubectl config view -o jsonpath="{.clusters[?(@.name==\"$CLUSTER_NAME\")].cluster.server}")

# Gets the token value
TOKEN=$(kubectl get secrets -o jsonpath="{.items[?(@.metadata.annotations['kubernetes\.io/service-account\.name']=='default')].data.token}"|base64 -d)

# Explore the API with TOKEN
curl -X GET $APISERVER/api --header "Authorization: Bearer $TOKEN" --insecure

curl -X GET $APISERVER/api/v1/namespaces/default/pods/ --header "Authorization: Bearer $TOKEN" --insecure | jq '.items[] | select(.metadata.name | contains("data-job-"))' | jq '.status.phase'