#!/usr/bin/env bash
set -euo pipefail

ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
# shellcheck source=docker-lib.sh
source "$ROOT/scripts/docker-lib.sh"

docker_cmd

NAME="${1:-lidar-manager-limited}"

if ! "${DOCKER[@]}" ps --format '{{.Names}}' | grep -qx "$NAME"; then
  echo "Container '$NAME' không chạy."
  exit 1
fi

echo "=== docker stats (live) ==="
"${DOCKER[@]}" stats --no-stream "$NAME"

echo
echo "=== limits ==="
print_container_limits "$NAME"

CID="$("${DOCKER[@]}" inspect -f '{{.Id}}' "$NAME")"
CG="/sys/fs/cgroup"

echo
echo "=== cgroup (host) ==="
printf 'memory.usage = '
cat "$CG/memory/docker/$CID/memory.usage_in_bytes" 2>/dev/null \
  || cat "$CG/memory/system.slice/docker-$CID.scope/memory.usage_in_bytes" 2>/dev/null \
  || echo "n/a"
printf ' bytes\n'

printf 'cpu.cfs_quota / period = '
cat "$CG/cpu,cpuacct/docker/$CID/cpu.cfs_quota_us" 2>/dev/null \
  || echo -n "n/a"
printf ' / '
cat "$CG/cpu,cpuacct/docker/$CID/cpu.cfs_period_us" 2>/dev/null \
  || echo "n/a"

echo
echo "=== processes in container ==="
"${DOCKER[@]}" top "$NAME"