| 1 | import { Pause, Play } from "lucide-react"; |
| 2 | import { useEffect, useMemo, useState } from "react"; |
| 3 | import { Link } from "react-router"; |
| 4 | |
| 5 | import { LOG_SEVERITIES, type LogSeverity, type TelemetryLog } from "@g1t/contracts/telemetry"; |
| 6 | |
| 7 | import type { Route } from "./+types/observability-logs"; |
| 8 | import { FilterBar, LiveDot, ObservabilityHeader, useLoadingView } from "../../components/observability"; |
| 9 | import { LogLines } from "../../components/observability-logs"; |
| 10 | import { ButtonLink, EmptyState } from "../../components/ui"; |
| 11 | import { Button } from "../../components/ui/button"; |
| 12 | import { Card } from "../../components/ui/card"; |
| 13 | import { cn } from "../../lib/cn"; |
| 14 | import { page } from "../../lib/meta"; |
| 15 | import { matchesLog, viewHref } from "../../lib/observability"; |
| 16 | import { useTelemetryLive } from "../../lib/observability-live"; |
| 17 | import { observed, soft } from "../../lib/observability.server"; |
| 18 | |
| 19 | /** The levels offered as toggles: trace and debug go with debug, fatal with error. */ |
| 20 | const LEVELS: LogSeverity[] = ["debug", "info", "warn", "error"]; |
| 21 | const WITH: Partial<Record<LogSeverity, LogSeverity[]>> = { debug: ["trace", "debug"], error: ["error", "fatal"] }; |
| 22 | /** A live page keeps this many lines; older ones are a page away. */ |
| 23 | const KEEP = 1000; |
| 24 | |
| 25 | export function meta({ params, ...args }: Route.MetaArgs) { |
| 26 | return page(args, { title: `Logs · ${params.owner}/${params.repo} · g1t` }); |
| 27 | } |
| 28 | |
| 29 | export async function loader({ params, context, request }: Route.LoaderArgs) { |
| 30 | const { projectId, service, view, filter } = await observed(context, params, request); |
| 31 | const search = new URL(request.url).searchParams; |
| 32 | const levels = search.getAll("level").filter((l): l is LogSeverity => (LOG_SEVERITIES as readonly string[]).includes(l)); |
| 33 | const cursor = search.get("cursor"); |
| 34 | const [list, facets] = await Promise.all([ |
| 35 | soft( |
| 36 | service.logs({ |
| 37 | project_id: projectId, |
| 38 | ...filter, |
| 39 | text: view.q || null, |
| 40 | severities: levels.flatMap((l) => WITH[l] ?? [l]), |
| 41 | cursor, |
| 42 | limit: 300, |
| 43 | }), |
| 44 | "logs", |
| 45 | ), |
| 46 | soft(service.facets({ project_id: projectId }), "facets"), |
| 47 | ]); |
| 48 | return { view, list, facets, levels, cursor }; |
| 49 | } |
| 50 | |
| 51 | export default function Logs({ loaderData, params }: Route.ComponentProps) { |
| 52 | const { view, list, facets, levels, cursor } = loaderData; |
| 53 | const base = `/${params.owner}/${params.repo}`; |
| 54 | const path = `${base}/observability/logs`; |
| 55 | const loading = useLoadingView(); |
| 56 | const [live, setLive] = useState(false); |
| 57 | const [arrived, setArrived] = useState<TelemetryLog[]>([]); |
| 58 | const [dropped, setDropped] = useState(0); |
| 59 | // A new view starts the page over. |
| 60 | useEffect(() => { |
| 61 | setArrived([]); |
| 62 | setDropped(0); |
| 63 | }, [list]); |
| 64 | const wanted = levels.flatMap((l) => WITH[l] ?? [l]); |
| 65 | const state = useTelemetryLive(`${base}/observability/live`, live && !cursor, (items, lost) => { |
| 66 | const fresh = items.flatMap((i) => (i.type === "log" && matchesLog(i.log, view, wanted) ? [i.log] : [])); |
| 67 | if (fresh.length) setArrived((before) => [...fresh.sort((a, b) => b.time_us - a.time_us), ...before].slice(0, KEEP)); |
| 68 | if (lost) setDropped((n) => n + lost); |
| 69 | }); |
| 70 | const shown = useMemo(() => { |
| 71 | const seen = new Set<string>(); |
| 72 | return [...arrived, ...(list?.items ?? [])].filter((l) => (seen.has(l.id) ? false : (seen.add(l.id), true))).slice(0, KEEP); |
| 73 | }, [arrived, list]); |
| 74 | const fresh = useMemo(() => new Set(arrived.map((l) => l.id)), [arrived]); |
| 75 | |
| 76 | const levelHref = (level: LogSeverity) => { |
| 77 | const next = levels.includes(level) ? levels.filter((l) => l !== level) : [...levels, level]; |
| 78 | const url = viewHref(path, view); |
| 79 | return `${url}${next.length ? `${url.includes("?") ? "&" : "?"}${next.map((l) => `level=${l}`).join("&")}` : ""}`; |
| 80 | }; |
| 81 | const pageHref = (c: string | null) => { |
| 82 | const url = viewHref(path, view, { cursor: c }); |
| 83 | return `${url}${levels.length ? `${url.includes("?") ? "&" : "?"}${levels.map((l) => `level=${l}`).join("&")}` : ""}`; |
| 84 | }; |
| 85 | |
| 86 | return ( |
| 87 | <div className="mx-auto max-w-6xl"> |
| 88 | <ObservabilityHeader title="Logs" about="Every line the project's software wrote, newest first. Search words, a level, or any attribute; follow it live."> |
| 89 | {!cursor && ( |
| 90 | <div className="flex items-center gap-3"> |
| 91 | <LiveDot on={state === "live"} /> |
| 92 | <Button variant={live ? "secondary" : "outline"} size="sm" onClick={() => setLive(!live)} aria-pressed={live}> |
| 93 | {live ? <Pause size={14} /> : <Play size={14} />} |
| 94 | {live ? "Pause" : "Follow live"} |
| 95 | </Button> |
| 96 | </div> |
| 97 | )} |
| 98 | </ObservabilityHeader> |
| 99 | <FilterBar |
| 100 | path={path} |
| 101 | view={view} |
| 102 | environments={facets?.environments ?? []} |
| 103 | services={facets?.services ?? []} |
| 104 | search={{ placeholder: 'Search: timeout level:error user.id=42 "exact phrase"', hint: "Words to find, level:error, or attribute=value" }} |
| 105 | > |
| 106 | <nav className="flex rounded-md border border-line p-0.5 text-sm" aria-label="Levels"> |
| 107 | {LEVELS.map((level) => ( |
| 108 | <Link |
| 109 | key={level} |
| 110 | to={levelHref(level)} |
| 111 | preventScrollReset |
| 112 | aria-pressed={levels.includes(level)} |
| 113 | className={cn( |
| 114 | "rounded px-2 py-0.5 text-xs capitalize", |
| 115 | levels.includes(level) ? "bg-raised text-fg" : "text-muted hover:text-fg", |
| 116 | )} |
| 117 | > |
| 118 | {level} |
| 119 | </Link> |
| 120 | ))} |
| 121 | </nav> |
| 122 | </FilterBar> |
| 123 | {state === "dropped" && <p className="mt-3 text-xs text-warn">The live connection dropped; reconnecting.</p>} |
| 124 | {dropped > 0 && <p className="mt-3 text-xs text-faint">{dropped.toLocaleString("en-US")} lines arrived faster than the page shows them; search to find them.</p>} |
| 125 | |
| 126 | <div className={cn("mt-4 transition-opacity", loading && "opacity-60")}> |
| 127 | {!list ? ( |
| 128 | <Card className="p-6 text-sm text-muted">Logs could not be loaded just now. Reload the page to try again.</Card> |
| 129 | ) : shown.length === 0 ? ( |
| 130 | <EmptyState title={view.q || levels.length ? "No lines match" : "No logs in this period"}> |
| 131 | {live ? "Following: new lines show here as they are written." : "Apps on g1t.page send what they write with console.log; anything else sends OpenTelemetry logs."} |
| 132 | </EmptyState> |
| 133 | ) : ( |
| 134 | <Card className="overflow-hidden"> |
| 135 | <LogLines logs={shown} base={base} fresh={fresh} /> |
| 136 | </Card> |
| 137 | )} |
| 138 | {(list?.next || cursor) && ( |
| 139 | <div className="mt-4 flex justify-between"> |
| 140 | {cursor ? ( |
| 141 | <ButtonLink to={pageHref(null)} variant="outline" size="sm"> |
| 142 | Newest |
| 143 | </ButtonLink> |
| 144 | ) : ( |
| 145 | <span /> |
| 146 | )} |
| 147 | {list?.next && ( |
| 148 | <ButtonLink to={pageHref(list.next)} variant="outline" size="sm"> |
| 149 | Older |
| 150 | </ButtonLink> |
| 151 | )} |
| 152 | </div> |
| 153 | )} |
| 154 | </div> |
| 155 | </div> |
| 156 | ); |
| 157 | } |