Funktion über Cloud Logging auslösen
Mit Sammlungen den Überblick behalten
Sie können Inhalte basierend auf Ihren Einstellungen speichern und kategorisieren.
Löst eine Funktion anhand von Cloud Logging-Einträgen aus.
Weitere Informationen
Eine ausführliche Dokumentation, die dieses Codebeispiel enthält, finden Sie hier:
Codebeispiel
Nächste Schritte
Wenn Sie nach Codebeispielen für andere Google Cloud -Produkte suchen und filtern möchten, können Sie den Google Cloud -Beispielbrowser verwenden.
Sofern nicht anders angegeben, sind die Inhalte dieser Seite unter der Creative Commons Attribution 4.0 License und Codebeispiele unter der Apache 2.0 License lizenziert. Weitere Informationen finden Sie in den Websiterichtlinien von Google Developers. Java ist eine eingetragene Marke von Oracle und/oder seinen Partnern.
[[["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"]],[],[[["\u003cp\u003eThis page details how to trigger a function in response to entries in Cloud Logging.\u003c/p\u003e\n"],["\u003cp\u003eThe examples demonstrate how to process log entry data within the triggered functions using Go, Java, Node.js, and Python.\u003c/p\u003e\n"],["\u003cp\u003eThe provided code samples show how to extract information from the log entry, such as the method, resource, and initiator.\u003c/p\u003e\n"],["\u003cp\u003eAuthentication for the Cloud Run functions requires setting up Application Default Credentials, as detailed in the linked documentation.\u003c/p\u003e\n"],["\u003cp\u003eThe page provides links to further documentation on second-party triggers with cloud logging and how to trigger functions from log entries.\u003c/p\u003e\n"]]],[],null,["# Trigger function from Cloud Logging\n\nTriggers a function based on Cloud Logging entries.\n\nExplore further\n---------------\n\n\nFor detailed documentation that includes this code sample, see the following:\n\n- [Second-Party Triggers with Cloud Logging](/functions/1stgendocs/calling/logging)\n- [Trigger functions from log entries](/run/docs/triggering/trigger-functions-from-log-entries)\n\nCode sample\n-----------\n\n### Go\n\n\nTo authenticate to Cloud Run functions, set up Application Default Credentials.\nFor more information, see\n\n[Set up authentication for a local development environment](/docs/authentication/set-up-adc-local-dev-environment).\n\n\n // Package log contains examples for handling Cloud Functions logs.\n package log\n\n import (\n \t\"context\"\n \t\"log\"\n )\n\n // PubSubMessage is the payload of a Pub/Sub event.\n // See the documentation for more details:\n // https://cloud.google.com/pubsub/docs/reference/rest/v1/PubsubMessage\n type PubSubMessage struct {\n \tData []byte `json:\"data\"`\n }\n\n // ProcessLogEntry processes a Pub/Sub message from Cloud Logging.\n func ProcessLogEntry(ctx context.Context, m PubSubMessage) error {\n \tlog.Printf(\"Log entry data: %s\", string(m.Data))\n \treturn nil\n }\n\n### Java\n\n\nTo authenticate to Cloud Run functions, set up Application Default Credentials.\nFor more information, see\n\n[Set up authentication for a local development environment](/docs/authentication/set-up-adc-local-dev-environment).\n\n\n import com.google.cloud.functions.BackgroundFunction;\n import com.google.cloud.functions.Context;\n import functions.eventpojos.PubsubMessage;\n import java.nio.charset.StandardCharsets;\n import java.util.Base64;\n import java.util.logging.Logger;\n\n public class StackdriverLogging implements BackgroundFunction\u003cPubsubMessage\u003e {\n private static final Logger logger = Logger.getLogger(StackdriverLogging.class.getName());\n\n @Override\n public void accept(PubsubMessage message, Context context) {\n String name = \"World\";\n\n if (!message.getData().isEmpty()) {\n name = new String(Base64.getDecoder().decode(\n message.getData().getBytes(StandardCharsets.UTF_8)), StandardCharsets.UTF_8);\n }\n String res = String.format(\"Hello, %s\", name);\n logger.info(res);\n }\n }\n\n### Node.js\n\n\nTo authenticate to Cloud Run functions, set up Application Default Credentials.\nFor more information, see\n\n[Set up authentication for a local development environment](/docs/authentication/set-up-adc-local-dev-environment).\n\n exports.processLogEntry = data =\u003e {\n const dataBuffer = Buffer.from(data.data, 'base64');\n\n const logEntry = JSON.parse(dataBuffer.toString('ascii')).protoPayload;\n console.log(`Method: ${logEntry.methodName}`);\n console.log(`Resource: ${logEntry.resourceName}`);\n console.log(`Initiator: ${logEntry.authenticationInfo.principalEmail}`);\n };\n\n### Python\n\n\nTo authenticate to Cloud Run functions, set up Application Default Credentials.\nFor more information, see\n\n[Set up authentication for a local development environment](/docs/authentication/set-up-adc-local-dev-environment).\n\n import base64\n import json\n\n def process_log_entry(data, context):\n data_buffer = base64.b64decode(data[\"data\"])\n log_entry = json.loads(data_buffer)[\"protoPayload\"]\n\n print(f\"Method: {log_entry['methodName']}\")\n print(f\"Resource: {log_entry['resourceName']}\")\n print(f\"Initiator: {log_entry['authenticationInfo']['principalEmail']}\")\n\nWhat's next\n-----------\n\n\nTo search and filter code samples for other Google Cloud products, see the\n[Google Cloud sample browser](/docs/samples?product=functions)."]]