Installing Docker and monitored in DataDog by Mathan

MathanKumaran — Tue, 18 Apr 2023 12:09:31 +0000

Integrate Docker and gather metrices using Datadog Agent

* Install Datadog agent (for example in Ubuntu). Then enable process monitoring using the steps mentioned in below link.

--> https://www.devopsschool.com/blog/how-to-enable-live-process-monitoring-in-datadog-agent/

* Install Docker server. For example, follow this link for installing in Ubuntu

--> https://www.devopsschool.com/blog/how-to-install-docker-in-linux/

* Enable Docker integration with Datadog by modifying conf.yaml file located inside /etc/datadog-agent/conf.d/docker.d/. Need to create this file first by making a copy from conf.yaml.default.

* Restart the Datadog agent.

* Create the container

Login to the Datadog and verify docker & container metrics are appearing and reporting.

DataDog Commands by MathanKumaran

MathanKumaran — Mon, 17 Apr 2023 11:51:03 +0000

DD_API_KEY= DD_SITE="datadoghq.com" bash -c "$(curl -L https://s3.amazonaws.com/dd-agent/scripts/install_script_agent7.sh)"

    To install the agent in Linix

systemctl start datadog-agent

    To start the datadog agent

systemctl restart datadog-agent

    To restart the datadog agent

systemctl stop datadog-agent

    To restart the datadog agent

systemctl status datadog-agent

    To check the status for the agent whether its running or not

datadog-agent configcheck

    To get the list of config item check information

Configuration provider: file
Configuration source: file:/etc/datadog-agent/conf.d/cpu.d/conf.yaml.default
Instance ID: cpu:e331d61ed1323219
{}

~

=== disk check ===
Configuration provider: file
Configuration source: file:/etc/datadog-agent/conf.d/disk.d/conf.yaml.default
Instance ID: disk:67cc0574430a16ba
use_mount: false

~

=== file_handle check ===
Configuration provider: file
Configuration source: file:/etc/datadog-agent/conf.d/file_handle.d/conf.yaml.default
Instance ID: file_handle:381b8b6ca58d37b0
{}

~

=== io check ===
Configuration provider: file
Configuration source: file:/etc/datadog-agent/conf.d/io.d/conf.yaml.default
Instance ID: io:541b60d158de04a7
{}

~

=== load check ===
Configuration provider: file
Configuration source: file:/etc/datadog-agent/conf.d/load.d/conf.yaml.default
Instance ID: load:bf7cea93fb3aa780
{}

~

=== memory check ===
Configuration provider: file
Configuration source: file:/etc/datadog-agent/conf.d/memory.d/conf.yaml.default
Instance ID: memory:3f1f6288b95b9979
{}

~

=== network check ===
Configuration provider: file
Configuration source: file:/etc/datadog-agent/conf.d/network.d/conf.yaml.default
Instance ID: network:4b0649b7e11f0772
{}

~

=== ntp check ===
Configuration provider: file
Configuration source: file:/etc/datadog-agent/conf.d/ntp.d/conf.yaml.default
Instance ID: ntp:3c427a42a70bbf8
{}

~

=== uptime check ===
Configuration provider: file
Configuration source: file:/etc/datadog-agent/conf.d/uptime.d/conf.yaml.default
Instance ID: uptime:c72f390abdefdf1a
{}
~

datadog-agent config

  To get the configuration details.

datadog-agent health

  To check healthcheck of the component

Agent health: PASS
=== 16 healthy components ===
ad-servicelistening, aggregator, collector-queue-15s, collector-queue-900s, dogstatsd-main, forwarder, healthcheck, healthcheck, metadata-agent_checks, metadata-host, metadata-inventories, metadata-resources, tagger-store, tagger-workloadmeta, workloadmeta-puller, workloadmeta-store

datadog-agent hostname

    To get the hostname where the agent is running

datadog-agent version

    To get the version of the agent running

Observability By MathanKumaran

MathanKumaran — Mon, 17 Apr 2023 05:21:55 +0000

What is Observability ?

Observability provides the overall behavior of the system. How the system is behaving, what is the reason for failure or any performance issue.

The Key factor of Observability are:

Metrics
Logging
Tracing

How to setup Observability ?

https://www.crowdstrike.com/wp-content/uploads/2021/06/Screen-Shot-2021-06-28-at-9.49.33-AM-1024x608.png

Debug School: MathanKumaran

Installing Docker and monitored in DataDog by Mathan

DataDog Commands by MathanKumaran

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Observability By MathanKumaran