#!/usr/bin/env bash
# logs.sh <service> [--target data|crawl] [-n 200] [--no-follow]
# service → target is inferred (worker, worker-b → crawl; everything else → data).
source "$(dirname "${BASH_SOURCE[0]}")/lib.sh"
svc="${1:-}"; [[ -n $svc ]] || die "usage: logs.sh <service> [--target data|crawl] [-n N] [--no-follow]"
shift
target="$(target_for_service "$svc")"; n=200; follow="-f"
while [[ $# -gt 0 ]]; do
  case "$1" in
    --target) target="$2"; shift ;;
    -n) n="$2"; shift ;;
    --no-follow) follow="" ;;
    *) die "unknown flag $1" ;;
  esac
  shift
done
check_target "$target"
exec ssh -t "${SSH_OPTS[@]}" "$(host_for "$target")" "$(compose_prefix "$target") logs --tail=$n $follow $svc"