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In diesem Dokument wird beschrieben, wie Sie Budgetbenachrichtigungen an Slack senden.
Budgets werden in der Regel so konfiguriert, dass E-Mail-Benachrichtigungen gesendet werden. E-Mails sind jedoch nicht immer die beste Methode, um hinsichtlich der Cloud-Kosten auf dem Laufenden zu bleiben, insbesondere wenn ein bestimmtes Budget unbedingt eingehalten werden muss und zeitkritisch ist. Mit programmatischen Benachrichtigungen können Sie Ihre Budgetnachrichten an andere Medien wie Slack weiterleiten.
Hinweise
Bevor Sie beginnen, müssen Sie die folgenden Aufgaben erledigen:
Der erste Schritt besteht darin, den Slack-Workspace und die Bot-Nutzertokens zu erstellen, die zum Aufrufen der Slack API verwendet werden. API-Tokens können unter https://api.slack.com/apps verwaltet werden. Weitere Informationen finden Sie unter Bot Users auf der Slack-Website.
Cloud Run-Funktion einrichten
Führen Sie die Schritte unter Cloud Run-Funktion erstellen aus.
Achten Sie darauf, dass der Triggertyp auf dasselbe Pub/Sub-Thema gesetzt ist, das vom Budget verwendet wird.
Fügen Sie die folgenden Abhängigkeiten hinzu:
Node.js
Kopieren Sie Folgendes in Ihre package.json-Datei:
Kopieren Sie den folgenden Code in Ihre Cloud Run-Funktion, um Budgetbenachrichtigungen mithilfe der Slack API in einem Slack-Chat-Kanal zu posten:
Node.js
constslack=require('slack');// TODO(developer) replace these with your own valuesconstBOT_ACCESS_TOKEN=process.env.BOT_ACCESS_TOKEN||'xxxx-111111111111-abcdefghidklmnopq';constCHANNEL=process.env.SLACK_CHANNEL||'general';exports.notifySlack=asyncpubsubEvent=>{constpubsubAttrs=pubsubEvent.attributes;constpubsubData=Buffer.from(pubsubEvent.data,'base64').toString();constbudgetNotificationText=`${JSON.stringify(pubsubAttrs)}, ${pubsubData}`;awaitslack.chat.postMessage({token:BOT_ACCESS_TOKEN,channel:CHANNEL,text:budgetNotificationText,});return'Slack notification sent successfully';};
Python
importbase64importjsonimportosimportslackfromslack.errorsimportSlackApiError# See https://api.slack.com/docs/token-types#bot for more infoBOT_ACCESS_TOKEN="xxxx-111111111111-abcdefghidklmnopq"CHANNEL="C0XXXXXX"slack_client=slack.WebClient(token=BOT_ACCESS_TOKEN)defnotify_slack(data,context):pubsub_message=data# For more information, see# https://cloud.google.com/billing/docs/how-to/budgets-programmatic-notifications#notification_formattry:notification_attr=json.dumps(pubsub_message["attributes"])exceptKeyError:notification_attr="No attributes passed in"try:notification_data=base64.b64decode(data["data"]).decode("utf-8")exceptKeyError:notification_data="No data passed in"# This is just a quick dump of the budget data (or an empty string)# You can modify and format the message to meet your needsbudget_notification_text=f"{notification_attr}, {notification_data}"try:slack_client.api_call("chat.postMessage",json={"channel":CHANNEL,"text":budget_notification_text},)exceptSlackApiError:print("Error posting to Slack")
Prüfen Sie, ob die folgenden postMessage-Parameter für Slack API korrekt festgelegt sind:
OAuth-Zugriffstoken des Bot-Nutzers
Name des Kanals
Funktion testen
Damit Ihre Funktion wie erwartet funktioniert, folgen Sie der Anleitung unter Cloud Run-Funktion testen.
Bei Erfolg wird eine Nachricht in Slack angezeigt.
Nächste Schritte
In anderen Beispielen für programmatische Benachrichtigungen erfahren Sie, wie Sie Folgendes tun können:
[[["Leicht verständlich","easyToUnderstand","thumb-up"],["Mein Problem wurde gelöst","solvedMyProblem","thumb-up"],["Sonstiges","otherUp","thumb-up"]],[["Schwer verständlich","hardToUnderstand","thumb-down"],["Informationen oder Beispielcode falsch","incorrectInformationOrSampleCode","thumb-down"],["Benötigte Informationen/Beispiele nicht gefunden","missingTheInformationSamplesINeed","thumb-down"],["Problem mit der Übersetzung","translationIssue","thumb-down"],["Sonstiges","otherDown","thumb-down"]],["Zuletzt aktualisiert: 2025-08-18 (UTC)."],[[["\u003cp\u003eThis guide outlines how to configure budget notifications to be sent to a Slack channel instead of just email.\u003c/p\u003e\n"],["\u003cp\u003eBefore setting up Slack notifications, you must enable the Cloud Billing API, create a budget, and set up programmatic budget notifications.\u003c/p\u003e\n"],["\u003cp\u003eSetting up Slack requires creating a workspace and managing bot user tokens through the Slack API interface.\u003c/p\u003e\n"],["\u003cp\u003eA Cloud Run function is created to receive Pub/Sub messages and then use the Slack API to post notifications to a designated Slack channel, with example code provided in Node.js and Python.\u003c/p\u003e\n"],["\u003cp\u003eAfter configuring, you can test the function to ensure messages are successfully delivered to Slack, with further options provided to control resource usage and billing through notifications.\u003c/p\u003e\n"]]],[],null,["# Send notifications to Slack\n\n\u003cbr /\u003e\n\nThis document explains how to send budget notifications to Slack.\n\n[Budgets](/billing/docs/how-to/budgets#manage-notifications)\nare typically configured to send email notifications. However, email isn't\nalways the best way to stay up to date on your cloud costs, particularly if\nyour budget is critical and time sensitive. With programmatic notifications,\nyou can forward your budget messages to other mediums, such as\n[Slack](https://slack.com/).\n\nBefore you begin\n----------------\n\nBefore you begin, you must complete the following tasks:\n\n1. [Enable the Cloud Billing API](https://console.cloud.google.com/apis/api/cloudbilling.googleapis.com)\n2. [Create a budget](/billing/docs/how-to/budgets)\n3. [Set up programmatic budget notifications](/billing/docs/how-to/budgets-programmatic-notifications)\n\nSet up a Slack channel and permissions\n--------------------------------------\n\nThe first step is to create your Slack workspace and the bot user tokens\nthat are used to call the Slack API. API tokens can be managed at\n\u003chttps://api.slack.com/apps\u003e.\nFor detailed instructions, see\n[Bot Users](https://api.slack.com/bot-users)\non the Slack site.\n\nSet up a Cloud Run function\n---------------------------\n\n1. Complete the steps in\n [Create a Cloud Run function](/billing/docs/how-to/listen-to-notifications#create-function).\n Ensure that the **Trigger type** is set to the same Pub/Sub\n topic that your budget will use.\n\n2. Add the following dependencies:\n\n\n ### Node.js\n\n \u003cbr /\u003e\n\n Copy the following to your `package.json`:\n\n\n {\n \"name\": \"cloud-functions-billing\",\n \"private\": \"true\",\n \"version\": \"0.0.1\",\n \"description\": \"Examples of integrating Cloud Functions with billing\",\n \"main\": \"index.js\",\n \"engines\": {\n \"node\": \"\u003e=16.0.0\"\n },\n \"scripts\": {\n \"compute-test\": \"c8 mocha -p -j 2 test/periodic.test.js --timeout=600000\",\n \"test\": \"c8 mocha -p -j 2 test/index.test.js --timeout=5000 --exit\"\n },\n \"author\": \"Ace Nassri \u003canassri@google.com\u003e\",\n \"license\": \"Apache-2.0\",\n \"dependencies\": {\n \"@google-cloud/billing\": \"^4.0.0\",\n \"@google-cloud/compute\": \"^4.0.0\",\n \"google-auth-library\": \"^9.0.0\",\n \"googleapis\": \"^143.0.0\",\n \"slack\": \"^11.0.1\"\n },\n \"devDependencies\": {\n \"@google-cloud/functions-framework\": \"^3.0.0\",\n \"c8\": \"^10.0.0\",\n \"gaxios\": \"^6.0.0\",\n \"mocha\": \"^10.0.0\",\n \"promise-retry\": \"^2.0.0\",\n \"proxyquire\": \"^2.1.0\",\n \"sinon\": \"^18.0.0\",\n \"wait-port\": \"^1.0.4\"\n }\n }\n\n ### Python\n\n \u003cbr /\u003e\n\n Copy the following to your `requirements.txt`:\n\n\n slackclient==2.9.4\n google-api-python-client==2.131.0\n\n \u003cbr /\u003e\n\n3. Copy the following code into your Cloud Run function to post\n budget notifications to a Slack chat channel using the Slack API:\n\n\n ### Node.js\n\n const slack = require('slack');\n\n // TODO(developer) replace these with your own values\n const BOT_ACCESS_TOKEN =\n process.env.BOT_ACCESS_TOKEN || 'xxxx-111111111111-abcdefghidklmnopq';\n const CHANNEL = process.env.SLACK_CHANNEL || 'general';\n\n exports.notifySlack = async pubsubEvent =\u003e {\n const pubsubAttrs = pubsubEvent.attributes;\n const pubsubData = Buffer.from(pubsubEvent.data, 'base64').toString();\n const budgetNotificationText = `${JSON.stringify(\n pubsubAttrs\n )}, ${pubsubData}`;\n\n await slack.chat.postMessage({\n token: BOT_ACCESS_TOKEN,\n channel: CHANNEL,\n text: budgetNotificationText,\n });\n\n return 'Slack notification sent successfully';\n };\n\n ### Python\n\n import base64\n import json\n import os\n import slack\n from slack.errors import SlackApiError\n # See https://api.slack.com/docs/token-types#bot for more info\n BOT_ACCESS_TOKEN = \"xxxx-111111111111-abcdefghidklmnopq\"\n CHANNEL = \"C0XXXXXX\"\n\n slack_client = slack.WebClient(token=BOT_ACCESS_TOKEN)\n\n\n def notify_slack(data, context):\n pubsub_message = data\n\n # For more information, see\n # https://cloud.google.com/billing/docs/how-to/budgets-programmatic-notifications#notification_format\n try:\n notification_attr = json.dumps(pubsub_message[\"attributes\"])\n except KeyError:\n notification_attr = \"No attributes passed in\"\n\n try:\n notification_data = base64.b64decode(data[\"data\"]).decode(\"utf-8\")\n except KeyError:\n notification_data = \"No data passed in\"\n\n # This is just a quick dump of the budget data (or an empty string)\n # You can modify and format the message to meet your needs\n budget_notification_text = f\"{notification_attr}, {notification_data}\"\n\n try:\n slack_client.api_call(\n \"chat.postMessage\",\n json={\"channel\": CHANNEL, \"text\": budget_notification_text},\n )\n except SlackApiError:\n print(\"Error posting to Slack\")\n\n \u003cbr /\u003e\n\n4. Ensure the following Slack API postMessage parameters are set correctly:\n\n - Bot User OAuth access token\n - Channel name\n\nTest your function\n------------------\n\nTo ensure your function works as expected, follow the steps in\n[Test a Cloud Run function](/billing/docs/how-to/listen-to-notifications#test-function).\n\nIf successful, a message will show up in Slack.\n\nWhat's next\n-----------\n\nReview other programmatic notification examples to learn how to do the\nfollowing:\n\n- [Listen to your notifications](/billing/docs/how-to/listen-to-notifications)\n- [Control resource usage with notifications](/billing/docs/how-to/control-usage)\n- [Disable billing usage with notifications](/billing/docs/how-to/disable-billing-with-notifications)"]]