record-ovn-logs-periodically.sh

#!/bin/bash
NAMESPACE="openshift-ovn-kubernetes"
KUBE_NODE_CONTAINERS=("ovn-acl-logging" "ovn-controller" "ovnkube-node")
KUBE_MASTER_CONTAINERS=("kube-rbac-proxy" "nbdb" "northd" "ovn-dbchecker" "ovnkube-master" "sbdb")
dir=$(mktemp -d)
sleep_duration=${SLEEP_DURATION:-20}
i=1

echo "log base temp directory: '$dir'"
read -n 1 -p "hit enter when ready to record pods logs contineously until interupt every $sleep_duration seconds: "

while true; do
  new_dir="$dir/$i"
  mkdir -p "$new_dir"
  echo "very very rought time into test '$i' - '$(date)'" | tee -a "$new_dir/time"
  oc get pods -n $NAMESPACE | tee -a "$new_dir/get_pods"
  for pod in $(oc get pods -n $NAMESPACE -o=jsonpath='{.items..metadata.name}'); do

    if [[ $pod =~ "ovnkube-node" ]]; then
      for container in ${KUBE_NODE_CONTAINERS[@]}; do
        kubectl logs $pod -n $NAMESPACE -c $container > "$new_dir/${pod}-$container.log"
      done
      kubectl describe pod $pod -n $NAMESPACE > "$new_dir/${pod}.desc"
    fi

    if [[ $pod =~ "ovnkube-master" ]]; then
      for container in ${KUBE_MASTER_CONTAINERS[@]}; do
        kubectl logs $pod -n $NAMESPACE -c $container > "$new_dir/${pod}-$container.log"
      done
      kubectl describe pod $pod -n $NAMESPACE > "$new_dir/${pod}.desc"
    fi
  done

  echo "sleeping $sleep_duration"
  sleep $sleep_duration
  i=$((i+sleep_duration))
done