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OpenTelemetry using Docker OpenTelemetry using Docker

Last Updated: Dec. 21, 2023

This tutorial demonstrates configuring OpenTelemetry (OTEL) Collector to send your logs and metrics to Coralogix using Docker.

Prerequisites

Configuration

STEP 1. Create a configuration file. Copy this template file and save it as config.yaml.

receivers:
  filelog:
    start_at: beginning
    include:
      - /example.log
    include_file_path: true
    multiline: {line_start_pattern: "\\n"}
	hostmetrics:
	    collection_interval: 30s
	    scrapers:
	      cpu:
	      memory:
exporters:
  coralogix:
    domain: "Domain"
    private_key: "Private key"
    application_name: "Application Name"
    subsystem_name: "Subsystem Name"
    timeout: 30s

service:
  pipelines:
    logs:
      receivers: [ filelog ]
      exporters: [ coralogix ]
    metrics:
      receivers: [ hostmetrics ]
      exporters: [ coralogix ]

Provide the following variables.

VariableDescription
Private KeyYour Coralogix Send-Your-Data API key
Application NameThe name of your application, as it will appear in your Coralogix dashboard. For example, a company named SuperData might insert the SuperData string parameter. If SuperData wants to debug its test environment, it might use SuperData–Test.
Subsystem NameThe name of your subsystem, as it will appear in your Coralogix dashboard. Applications often have multiple subsystems (ie. Backend Servers, Middleware, Frontend Servers, etc.). In order to help you examine the data you need, inserting the subsystem parameter is vital.
DomainYour Coralogix domain

STEP 2. Save this log file as example.log.

2023-06-19 05:20:50 ERROR This is a test error message
2023-06-20 12:50:00 DEBUG This is a test debug message
2023-06-21 12:34:56 INFO This is a test info message

STEP 3. Pull a docker image and run the collector in a container. To load your custom configuration config.yaml and the log file example.log from your current working directory, mount the files as a volume into the container. Find out more here.

docker pull otel/opentelemetry-collector-contrib
docker run -d -v "$(pwd)"/config.yaml:/etc/otelcol-contrib/config.yaml -v "$(pwd)"/example.log:/example.log otel/opentelemetry-collector-contrib

Validation

Validate your configuration.

Logs

In your Coralogix navigation pane, click LiveTrail > Start to view your logs.

Otel Coralogix logs
Otel Coralogix logs

Metrics

STEP 1. Navigate to hosted Grafana view.

STEP 2. In the left-hand panel, click Explore > Metrics browser. Select the metrics that you would like to see.

Otel Coralogix metrics

Additional Resources

DocumentationOpenTelemetry

Support

Need help?

Our world-class customer success team is available 24/7 to walk you through your setup and answer any questions that may come up.

Feel free to reach out to us via our in-app chat or by sending us an email at [email protected].

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