Spring boot - StatsD Datadog client

Topics

• Configure the environment variables in the script run.sh
• Install data dog agent in your computer
• Configure the agent
• Build the project
• Start Datadog agent
• Start the application

Configure run.sh variables

Set the variables JAVA_EXEC_PATH and DD_AGENT_HOST according to your preferences

Install de Datadog agent in your computer

Download and install the agent following this site:

https://docs.datadoghq.com/getting_started/agent

Configure the agent

Copy the agent config file in the project to the datadog agent config directory:

• cp agent/datadog.yaml /opt/datadog-agent/etc

Or, edit the file /opt/datadog-agent/etc/datadog.yaml and configure these properties:

#Create a new API key here: https://app.datadoghq.com/account/settings
api_key: <your datadog api key>

site: us5.datadoghq.com

tags:
  - env: local
  - service: api-example

apm_config:
    
    enabled: true
    
    env: local

logs_enabled: true

Logs

Service configuration

mkdir /opt/datadog-agent/etc/conf.d/api-example.d
vim /opt/datadog-agent/etc/conf.d/api-example.d/conf.yaml

#Log section
logs:

    # - type : file (mandatory) type of log input source (tcp / udp / file)
    #   port / path : (mandatory) Set port if type is tcp or udp. Set path if type is file
    #   service : (mandatory) name of the service owning the log
    #   source : (mandatory) attribute that defines which integration is sending the log
    #   sourcecategory : (optional) Multiple value attribute. Can be used to refine the source attribute
    #   tags: (optional) add tags to each log collected

  - type: file
    path: ~/api-example.log
    service: api-example
    source: java
    sourcecategory: sourcecode
    #For multiline logs, if they start with a timestamp with format yyyy-mm-dd uncomment the below processing rule
    #log_processing_rules:
    #   - type: multi_line
    #     pattern: \d{4}\-(0?[1-9]|1[012])\-(0?[1-9]|[12][0-9]|3[01])
    #     name: new_log_start_with_date

Build the project

In the root of the project run:

./gradlew clean build

Start Datadog agent

https://docs.datadoghq.com/agent/guide/agent-commands/?tab=agentv6v7

Start the application

./run.sh

Additional Links

These additional references should also help you:

• Datadog - Getting Started
• Tracing Java Applications
• Metrics

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