Log Drains

Integration Purposes

Scalingo’s logging service makes it easy to collect logs from your applications and addons for archival.

You can also add your own log drain to forward logs to third party providers for high level search and alerting capabilities.

Scalingo also supports sending applications logs using the standard syslog protocol over UDP, TCP or TCP+TLS.

Third-Party Provider Integrations

Our system is able to send logs to the following SaaS logs processing providers:

If you would like another provider to be added, feel free to contact Scalingo support.

Configuration of your Application on Scalingo

The log drains configuration is done using the CLI.

Add a Log Drain

To add a log drain you have to use the log-drains-add command. Parameters depend on the chosen provider.

It is possible to add multiple log drains to a single application.

Here is the exhaustive list of supported providers.

Scalingo Hosted ELK Stack

scalingo --app my-app log-drains-add --type elk \
  --url https://my-user:123456789abcdef@logstash-app-name.osc-fr1.scalingo.io

Parameters:

AppSignal

scalingo --app my-app log-drains-add --type appsignal \
  --token 123456789abcdef

Parameters:

  • token: Appsignal’s API key

This variable is available on AppSignal documentation.

Better Stack Logs

scalingo --app my-app log-drains-add --type logtail \
  --token 123456789abcdef

Parameters:

  • token: Better Stack Logs’s Bearer Token

This variable is available on Better Stack documentation.
When connecting a new source in Better Stack Logs, please select the HTTP platform.

Datadog

scalingo --app my-app log-drains-add --type datadog \
  --token 123456789abcdef --drain-region eu

Parameters:

  • token: Datadog API key you can find here.
  • region: eu or us depending on your Datadog account region.

OVH Hosted Graylog

scalingo --app my-app log-drains-add --type ovh-graylog \
  --token 123456789abcdef --host tag3.logs.ovh.com

Parameters:

  • token: graylog token
  • host: access point provided by OVH. Instructions to get the these variables are available on OVH documentation.

Papertrail

scalingo --app my-app log-drains-add --type papertrail \
  --host logs2.papertrailapp.com --port 12345

Parameters:

Syslog TCP+TLS

scalingo --app my-app log-drains-add --type syslog \
  --host custom.logstash.com --port 12345 --token 132456789abcdef

Parameters:

  • host: host of the syslog server
  • port: port number of the syslog server
  • token: token provided for the syslog server

Add a Drain to an Addon

In order to add a log drain to an addon, you need to get its UUID. List your application addons to get its UUID:

scalingo --app my-app addons

Then, use the option --addon <uuid> with the add command.
For example with AppSignal:

scalingo --app my-app log-drains-add --addon  ad-a86f546c-6b08-439b-a5fc-6f16ddc9083e \
  --type appsignal --token 123456789abcdef

Currently, only database addons are able to generate logs.

List Log Drains

You can list all log drains of an application with the log-drains command:

scalingo --app my-app log-drains

Here is an example of the output:

+--------------------------------------------------------------------+
|                                URL                                 |
+--------------------------------------------------------------------+
| tcp+tls://logs.papertrailapp.com:10333                             |
| ovh://:878e091a-655c-4d40-b4be-72609f8949d0@tag1.logs.ovh.com:6514 |
+--------------------------------------------------------------------+

You can also list drains from both the application and the associated addons with the option --with-addons.

Delete a Log Drain

To delete a drain, you have to provide the URL to delete. You can get it by listing the logs drain of an application (list command)

scalingo --app my-app log-drains-remove tcp+tls://logs.papertrailapp.com:10333

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Log Drains

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