Write standard logs
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Demonstrates how to use Cloud Logging in a standard library-compatible way.
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For detailed documentation that includes this code sample, see the following:
Code sample
Go
To learn how to install and use the client library for Logging, see Logging client libraries.
To authenticate to Logging, set up Application Default Credentials. For more information, see Set up authentication for a local development environment.
// Sample stdlogging writes log.Logger logs to the Cloud Logging.
packagemain
import(
"context"
"log"
"cloud.google.com/go/logging"
)
funcmain(){
ctx:=context.Background()
// Sets your Google Cloud Platform project ID.
projectID:="YOUR_PROJECT_ID"
// Creates a client.
client,err:=logging.NewClient(ctx,projectID)
iferr!=nil{
log.Fatalf("Failed to create client: %v",err)
}
deferclient.Close()
// Sets the name of the log to write to.
logName:="my-log"
logger:=client.Logger(logName).StandardLogger (logging.Info )
// Logs "hello world", log entry is visible at
// Cloud Logs.
logger.Println("hello world")
}
Python
To learn how to install and use the client library for Logging, see Logging client libraries.
To authenticate to Logging, set up Application Default Credentials. For more information, see Set up authentication for a local development environment.
# Imports the Cloud Logging client library
importgoogle.cloud.logging
# Instantiates a client
client = google.cloud.logging.Client ()
# Retrieves a Cloud Logging handler based on the environment
# you're running in and integrates the handler with the
# Python logging module. By default this captures all logs
# at INFO level and higher
client.setup_logging ()
# Imports Python standard library logging
importlogging
# The data to log
text = "Hello, world!"
# Emits the data using the standard logging module
logging.warning(text)
print("Logged: {}".format(text))What's next
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