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Stackdriver

Stackdriver output plugin allows to ingest your records into Google Cloud Stackdriver Logging service.

Before to get started with the plugin configuration, make sure to obtain the proper credentials to get access to the service. We strongly recommend to use a common JSON credentials file, reference link:

Your goal is to obtain a credentials JSON file that will be used later by Fluent Bit Stackdriver output plugin.

Configuration Parameters

Key

Description

default

google_service_credentials

Absolute path to a Google Cloud credentials JSON file

Value of environment variable $GOOGLE_SERVICE_CREDENTIALS

service_account_email

Account email associated to the service. Only available if no credentials file has been provided.

Value of environment variable $SERVICE_ACCOUNT_EMAIL

service_account_secret

Private key content associated with the service account. Only available if no credentials file has been provided.

Value of environment variable $SERVICE_ACCOUNT_SECRET

resource

Set resource type of data. Only global is supported.

global

Configuration File

If you are using a Google Cloud Credentials File, the following configuration is enough to get started:

[INPUT]
    Name  cpu
    Tag   cpu

[OUTPUT]
    Name        stackdriver
    Match       *

Troubleshooting Notes

Upstream connection error

Github reference: #761

An upstream connection error means Fluent Bit was not able to reach Google services, the error looks like this:

[2019/01/07 23:24:09] [error] [oauth2] could not get an upstream connection

This belongs to a network issue by the environment where Fluent Bit is running, make sure that from the Host, Container or Pod you can reach the following Google end-points:

Other implementations

Stackdriver officially supports a logging agent based on Fluentd.

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