Tail the pods of a Replicaset via kubectl

tail_pod_logs.sh

#!/bin/bash
# With some help from ChatGPT, although it was only somewhat correct/helpful

rs_name="..."  # name of replicaset
namespace="..."  # namespace to find pod/rs within

# Function to tail logs for each pod
tail_logs() {
    local pod="$1"
    echo "Tailing logs for pod: $pod"
    kubectl logs -f "$pod" --namespace=$namespace --prefix &
}

# Get the list of pods managed by the ReplicaSet
pods=$(kubectl get pods --namespace=$namespace -l app=$rs_name --field-selector=status.phase=Running -o jsonpath='{range .items[*]}{.metadata.name}{"\n"}{end}')
# Iterate over each pod and tail logs concurrently
for pod in $pods; do
    tail_logs "$pod"
done

# Wait for all background jobs to finish
wait