recieve the pods from a deployment (useful for commands that need the pod names)

get-pods-from-deployment.sh

#!/bin/bash

set -eEuo pipefail

ns= # deployment namespace
name= # deployment name

# shellcheck disable=SC2016
deploy_pod_labels_raw=$(kubectl get --namespace "${ns}" deployments.apps/"${name}" --output go-template='{{ range $k, $v :=.spec.selector.matchLabels }}{{$k}}={{$v}},{{ end }}')

deploy_pod_labels=$(echo "${deploy_pod_labels_raw}" | rev | cut --delimiter=',' --fields='2-' | rev)

kubectl get --namespace "${ns}" pod --selector "${deploy_pod_labels}"