写入和查看日志

// All available logging functions const {  log,  info,  debug,  warn,  error,  write, } = require("firebase-functions/logger");
index.js
 

from firebase_functions import logger
main.py
 

exports.helloWorld = onRequest((request, response) => {  // sends a log to Cloud Logging  log("Hello logs!");  response.send("Hello from Firebase!"); });
index.js
 

@https_fn.on_request() def hello_world(req: https_fn.Request) -> https_fn.Response: # sends a log to Cloud Logging logger.log("Hello logs!") return https_fn.Response("Hello from Firebase!")
main.py
 

exports.getInspirationalQuote = onRequest(async (request, response) => {  const db = getFirestore();  const today = new Date();  const quoteOfTheMonthRef = db  .collection("quotes")  .doc(`${today.getFullYear()}`)  .collection("months")  .doc(`${today.getMonth()}`);  const DEFAULT_QUOTE =  "You miss 100% of the shots you don't take. -Wayne Gretzky";  let quote;  try {  const quoteOfTheMonthDocSnap = await quoteOfTheMonthRef.get();  // Attach relevant debugging information with debug()  debug("Monthly quote fetch result", {  docRef: quoteOfTheMonthRef.path,  exists: quoteOfTheMonthDocSnap.exists,  createTime: quoteOfTheMonthDocSnap.createTime,  });  if (quoteOfTheMonthDocSnap.exists) {  quote = quoteOfTheMonthDocSnap.data().text;  } else {  // Use warn() for lower-severity issues than error()  warn("Quote not found for month, sending default instead", {  docRef: quoteOfTheMonthRef.path,  dateRequested: today.toLocaleDateString("en-US"),  });  quote = DEFAULT_QUOTE;  }  } catch (err) {  // Attach an error object as the second argument  error("Unable to read quote from Firestore, sending default instead",  err);  quote = DEFAULT_QUOTE;  }  // Attach relevant structured data to any log  info("Sending a quote!", {quote: quote});  response.json({inspirationalQuote: quote}); });
index.js
 

@https_fn.on_request() def get_inspirational_quote(req: https_fn.Request) -> https_fn.Response: firestore_client = firestore.client() today = datetime.date.today() quote_of_the_month_ref = (firestore_client.collection("quotes").doc(str( today.year)).collection("months").doc(str(today.month))) default_quote = "Python has been an important part of Google since the beginning, and remains so as the system grows and evolves." quote = None try: quote_of_the_month = quote_of_the_month_ref.get() # Attach relevant debugging information with debug() logger.debug( "Monthly quote fetch result", docRef=quote_of_the_month.path, exists=quote_of_the_month.exists, createTime=quote_of_the_month.createTime, ) if quote_of_the_month.exists: quote = quote_of_the_month.to_dict()["text"] else: # Use warn() for lower-severity issues than error() logger.warn( "Quote not found for month, sending default instead", doc_reference=quote_of_the_month.path, date_requested=today.strftime("%Y-%m-%d"), ) quote = default_quote except: e = sys.exc_info()[0] # Attach an error object as the second argument logger.error("Unable to read quote from Firestore, sending default instead", error=e) quote = default_quote # Attach relevant structured data to any log logger.info("Sending a quote!", quote=quote) return https_fn.Response("Hello from Firebase!")
main.py
 

exports.appHasARegression = onRegressionAlertPublished((event) => {  write({  // write() lets you set additional severity levels  // beyond the built-in logger functions  severity: "EMERGENCY",  message: "Regression in production app",  issue: event.data.payload.issue,  lastOccurred: event.data.payload.resolveTime,  }); });
index.js
 

@crashlytics_fn.on_regression_alert_published() def app_has_regression(alert: crashlytics_fn.CrashlyticsRegressionAlertEvent) -> None: logger.write( severity="EMERGENCY", message="Regression in production app", issue=alert.data.payload.issue, last_occurred=alert.data.payload.resolve_time, ) print(alert)
main.py