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| 1 | +// scripts/reboot-tracker.ts |
| 2 | +import { join } from "https://deno.land/std@0.224.0/path/mod.ts"; |
| 3 | +import { parseArgs } from "https://deno.land/std@0.224.0/cli/parse_args.ts"; |
| 4 | + |
| 5 | +const REASONS = [ |
| 6 | + "Planned Maintenance", |
| 7 | + "Security Update", |
| 8 | + "Hardware Issue", |
| 9 | + "OS Update", |
| 10 | + "Unexpected Crash", |
| 11 | + "Software Bug", |
| 12 | + "Migration", |
| 13 | + "Other" |
| 14 | +]; |
| 15 | + |
| 16 | +const BASE_DIR = "monitoring/reboot-tracker/logs"; |
| 17 | +const LOG_FILE = join(BASE_DIR, "reboot-reasons.json"); |
| 18 | +const SNAPSHOT_DIR = join(BASE_DIR, "snapshots"); |
| 19 | + |
| 20 | +async function captureLogs(timestamp: string): Promise<string | null> { |
| 21 | + const filename = `snapshot-${timestamp.replace(/[:.]/g, "-")}.log`; |
| 22 | + const filepath = join(SNAPSHOT_DIR, filename); |
| 23 | + |
| 24 | + console.log(`\nCapturing system logs to ${filename}...`); |
| 25 | + |
| 26 | + try { |
| 27 | + await Deno.mkdir(SNAPSHOT_DIR, { recursive: true }); |
| 28 | + |
| 29 | + // Capture journalctl and dmesg |
| 30 | + const journalCmd = new Deno.Command("sudo", { |
| 31 | + args: ["journalctl", "-n", "200", "--no-pager"], |
| 32 | + }); |
| 33 | + const dmesgCmd = new Deno.Command("sudo", { |
| 34 | + args: ["dmesg", "-T"], // -T for human readable timestamps |
| 35 | + }); |
| 36 | + |
| 37 | + const journalResult = await journalCmd.output(); |
| 38 | + const dmesgResult = await dmesgCmd.output(); |
| 39 | + |
| 40 | + const decoder = new TextDecoder(); |
| 41 | + const logContent = [ |
| 42 | + "=== SYSTEM LOG SNAPSHOT ===", |
| 43 | + `Captured at: ${timestamp}`, |
| 44 | + "", |
| 45 | + "--- journalctl (last 200 lines) ---", |
| 46 | + decoder.decode(journalResult.stdout), |
| 47 | + "", |
| 48 | + "--- dmesg (tail) ---", |
| 49 | + decoder.decode(dmesgResult.stdout).split("\n").slice(-100).join("\n"), |
| 50 | + ].join("\n"); |
| 51 | + |
| 52 | + await Deno.writeTextFile(filepath, logContent); |
| 53 | + return filename; |
| 54 | + } catch (err) { |
| 55 | + console.error(`Warning: Failed to capture system logs: ${err.message}`); |
| 56 | + return null; |
| 57 | + } |
| 58 | +} |
| 59 | + |
| 60 | +async function main() { |
| 61 | + const args = parseArgs(Deno.args); |
| 62 | + const isShutdown = args.shutdown === true; |
| 63 | + const actionName = isShutdown ? "SHUTDOWN" : "REBOOT"; |
| 64 | + |
| 65 | + console.log("--------------------------------------------------"); |
| 66 | + console.log(` SYSTEM ${actionName} TRACKER (Server Reason Prompt) `); |
| 67 | + console.log("--------------------------------------------------"); |
| 68 | + console.log(`\nPlease select a reason for the ${actionName}:`); |
| 69 | + REASONS.forEach((reason, i) => { |
| 70 | + console.log(` [${i + 1}] ${reason}`); |
| 71 | + }); |
| 72 | + |
| 73 | + let selection = ""; |
| 74 | + while (true) { |
| 75 | + const input = prompt("\nEnter your choice [1-8]:"); |
| 76 | + if (input && Number(input) >= 1 && Number(input) <= REASONS.length) { |
| 77 | + selection = REASONS[Number(input) - 1]; |
| 78 | + break; |
| 79 | + } |
| 80 | + console.log("Invalid selection. Please try again."); |
| 81 | + } |
| 82 | + |
| 83 | + const details = prompt("\nProvide details/comments (optional):") || "No details provided."; |
| 84 | + |
| 85 | + const timestamp = new Date().toISOString(); |
| 86 | + const snapshotFile = await captureLogs(timestamp); |
| 87 | + |
| 88 | + const logEntry = { |
| 89 | + timestamp: timestamp, |
| 90 | + user: Deno.env.get("USER") || "unknown", |
| 91 | + action: actionName, |
| 92 | + reason: selection, |
| 93 | + details: details, |
| 94 | + hostname: Deno.hostname(), |
| 95 | + snapshot: snapshotFile, |
| 96 | + }; |
| 97 | + |
| 98 | + try { |
| 99 | + let logs = []; |
| 100 | + try { |
| 101 | + const content = await Deno.readTextFile(LOG_FILE); |
| 102 | + logs = JSON.parse(content); |
| 103 | + } catch { |
| 104 | + // File doesn't exist or is empty |
| 105 | + } |
| 106 | + |
| 107 | + logs.push(logEntry); |
| 108 | + await Deno.writeTextFile(LOG_FILE, JSON.stringify(logs, null, 2)); |
| 109 | + console.log(`\nReason and log snapshot recorded in ${BASE_DIR}`); |
| 110 | + } catch (err) { |
| 111 | + console.error(`Error logging reason: ${err.message}`); |
| 112 | + const retry = prompt(`\nContinue with ${actionName} anyway? (y/N):`); |
| 113 | + if (retry?.toLowerCase() !== 'y') { |
| 114 | + console.log("Aborted."); |
| 115 | + Deno.exit(1); |
| 116 | + } |
| 117 | + } |
| 118 | + |
| 119 | + const confirm = prompt(`\nAre you sure you want to ${actionName} now? (y/N):`); |
| 120 | + if (confirm?.toLowerCase() === 'y') { |
| 121 | + console.log(`Initiating ${actionName}...`); |
| 122 | + const cmd = new Deno.Command("sudo", { |
| 123 | + args: [isShutdown ? "shutdown" : "reboot"], |
| 124 | + }); |
| 125 | + await cmd.spawn(); |
| 126 | + } else { |
| 127 | + console.log(`${actionName} cancelled. Reason and logs have been recorded.`); |
| 128 | + } |
| 129 | +} |
| 130 | + |
| 131 | +main(); |
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