78 lines
2.2 KiB
JavaScript
78 lines
2.2 KiB
JavaScript
"use strict";
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const
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{ IncomingWebhook } = require('@slack/client'),
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kubernetesSiteRoot = 'https://kubernetes.io',
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fetch = require('node-fetch').default,
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{ SLACK_WEBHOOK_URL } = process.env;
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const webhook = new IncomingWebhook(SLACK_WEBHOOK_URL);
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// A random smattering of Kubernetes documentation pages
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// We can add as many pages here as we'd like
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const kubernetesEndpoints = [
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'docs/home',
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'docs/tutorials/configuration/configure-redis-using-configmap',
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]
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// Ensure that the SLACK_WEBHOOK_URL environment variable is set
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const checkEnv = () => {
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if (!SLACK_WEBHOOK_URL) {
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return {
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statusCode: 422,
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body: "[FAILURE] The Slack webhook URL must be set via the SLACK_WEBHOOK_URL environment variable"
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}
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}
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}
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// This function posts a warning message to Slack
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const sendSlackMessage = (msg) => {
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const slackMessageObject = {
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username: "noindex checker",
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text: msg
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}
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// Send the message to the webhook
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webhook.send(slackMessageObject, (err, res) => {
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return (err) ? { statusCode: 422, body: `[ERROR] Slack webhook error: ${err}` } :
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{ statusCode: 200, body: `[SUCCESS] Response received from Slack: ${JSON.stringify(res)}` };
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});
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}
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// Iterate through each Kubernetes endpoint to check for noindex headers
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const checkEndpoints = () => {
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kubernetesEndpoints.forEach((endpoint) => {
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const url = `${kubernetesSiteRoot}/${endpoint}`;
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fetch(url)
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.then(res => {
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const headers = res.headers;
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if ('x-robots-tag' in headers.raw() && (headers.get('x-robots-tag') == 'noindex')) {
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const msg = `[WARNING] "X-Robots-Tag: noindex" header found on the following page: ${url}`;
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// Send Slack notification
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sendSlackMessage(msg);
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return { statusCode: 404, body: msg };
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} else {
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const msg = `[SUCCESS] No improper X-Robots-Tag: noindex headers found on ${url}`;
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return { statusCode: 200, body: msg };
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}
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})
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.catch(err => {
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return { statusCode: 422, body: err };
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});
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});
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}
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// The handler function
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exports.handler = async (event, context) => {
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checkEnv();
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// Below are the various deploy succeeded checks
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checkEndpoints();
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}
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