wehub-resource-sync
114 lines
3.0 KiB
Bash
Executable File
114 lines
3.0 KiB
Bash
Executable File
#!/usr/bin/env bash
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# showcase logs — follow container logs with optional grep filtering
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# Sourced by the main dispatcher; do not execute directly.
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CMD_LOGS_DESC="Follow container logs with optional filtering"
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usage_logs() {
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cat <<'HELP'
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Usage: showcase logs <slug> [options]
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Follow container logs with optional grep filtering.
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Options:
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--grep <pattern> Filter log output (supports regex, e.g. "fixture|match")
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--since <duration> Show logs since duration (e.g. 10m, 1h, 30s)
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-n <lines> Show last N lines (default: all)
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--no-follow Dump logs and exit (don't follow)
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Examples:
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showcase logs mastra # follow all logs
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showcase logs aimock --grep "fixture|match" # filter for fixture matching
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showcase logs mastra --since 5m --no-follow # last 5 minutes, exit
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showcase logs aimock -n 100 --grep "404" # last 100 lines with 404s
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HELP
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}
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cmd_logs() {
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[[ "${1:-}" == "-h" || "${1:-}" == "--help" ]] && { usage_logs; return 0; }
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need_slug "${1:-}"
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local slug="$1"; shift
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local container
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container="$(slug_to_container "$slug")"
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local pattern=""
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local since=""
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local tail=""
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local follow=true
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while [[ $# -gt 0 ]]; do
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case "$1" in
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--grep)
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[[ -z "${2:-}" ]] && die "--grep requires a pattern argument"
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pattern="$2"; shift 2
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;;
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--since)
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[[ -z "${2:-}" ]] && die "--since requires a duration argument"
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since="$2"; shift 2
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;;
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-n)
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[[ -z "${2:-}" ]] && die "-n requires a number argument"
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tail="$2"; shift 2
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;;
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--no-follow)
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follow=false; shift
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;;
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*)
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die "Unknown option: $1"
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;;
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esac
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done
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# When --grep is used, we switch to docker logs (not compose logs)
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# to avoid noisy service-name prefixes and get full history.
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if [[ -n "$pattern" ]]; then
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_logs_with_grep "$container" "$pattern" "$since" "$tail" "$follow"
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else
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_logs_plain "$slug" "$since" "$tail" "$follow"
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fi
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}
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# Plain logs via docker compose (no grep filtering)
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_logs_plain() {
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local slug="$1" since="$2" tail="$3" follow="$4"
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local -a args=()
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if [[ "$follow" == true ]]; then
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args+=("-f")
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fi
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if [[ -n "$since" ]]; then
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args+=("--since" "$since")
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fi
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if [[ -n "$tail" ]]; then
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args+=("--tail" "$tail")
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fi
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docker compose -f "$COMPOSE_FILE" logs "${args[@]}" "$slug"
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}
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# Grep-filtered logs via docker logs (direct container)
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_logs_with_grep() {
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local container="$1" pattern="$2" since="$3" tail="$4" follow="$5"
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local -a args=()
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if [[ "$follow" == true ]]; then
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args+=("-f")
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fi
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if [[ -n "$since" ]]; then
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args+=("--since" "$since")
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fi
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if [[ -n "$tail" ]]; then
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args+=("--tail" "$tail")
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fi
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if [[ "$follow" == true ]]; then
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# Follow mode: --line-buffered is critical so grep flushes immediately
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docker logs "${args[@]}" "$container" 2>&1 \
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| grep --line-buffered --color=auto -E "$pattern"
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else
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docker logs "${args[@]}" "$container" 2>&1 \
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| grep --color=auto -E "$pattern"
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fi
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}
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