container-logs.sh

#! /bin/bash

set -eu

output_dir="container-logs"
timestamp=$(date +%s)

generate_logs() {
  container_ids=($(docker ps | awk '{if (NR!=1)print $1}'))
  container_names=($(docker ps | awk '{if (NR!=1)print $NF}'))
  if [[ $container_ids ]]; then
    for i in "${!container_ids[@]}"; do
      # echo "${container_ids[i]}" "${container_names[i]}"
      docker logs ${container_ids[i]} > $output_dir/${container_names[i]}.log
    done
  else
    echo "No containers running"
  fi
}

mkdir -p $output_dir
generate_logs
tar czf container-logs-$timestamp.tar.gz $output_dir
rm -rf $output_dir
echo "Log bundle container-logs-$timestamp.tar.gz has been successfully created."