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README.md

Agent Check: Apache Web Server

Apache Dashboard

Overview

The Apache check tracks requests per second, bytes served, number of worker threads, service uptime, and more.

Setup

Installation

The Apache check is packaged with the Datadog Agent. To start gathering your Apache metrics and logs, you need to:

  1. Install the Agent on your Apache servers.

  2. Install mod_status on your Apache servers and enable ExtendedStatus.

Configuration

Host

To configure this check for an Agent running on a host:

Metric collection

  1. Edit the apache.d/conf.yaml file in the conf.d/ folder at the root of your Agent's configuration directory to start collecting your Apache metrics. See the sample apache.d/conf.yaml for all available configuration options.

    init_config:

instances:
  ## @param apache_status_url - string - required
  ## Status url of your Apache server.
  #
  - apache_status_url: http://localhost/server-status?auto

  2. Restart the Agent.

Log collection

Available for Agent versions >6.0

  1. Collecting logs is disabled by default in the Datadog Agent. Enable it in datadog.yaml:

    logs_enabled: true

  2. Add this configuration block to your apache.d/conf.yaml file to start collecting your Apache logs, adjusting the path and service values to configure them for your environment:

    logs:
  - type: file
    path: /path/to/your/apache/access.log
    source: apache
    service: apache
    sourcecategory: http_web_access

  - type: file
    path: /path/to/your/apache/error.log
    source: apache
    service: apache
    sourcecategory: http_web_error

    See the sample apache.d/conf.yaml for all available configuration options.

  3. Restart the Agent.

Docker

To configure this check for an Agent running on a container:

Metric collection

Set Autodiscovery Integrations Templates as Docker labels on your application container:

LABEL "com.datadoghq.ad.check_names"='["apache"]'
LABEL "com.datadoghq.ad.init_configs"='[{}]'
LABEL "com.datadoghq.ad.instances"='[{"apache_status_url": "http://%%host%%/server-status?auto"}]'
Log collection

Collecting logs is disabled by default in the Datadog Agent. To enable it, see Docker Log Collection.

Then, set Log Integrations as Docker labels:

LABEL "com.datadoghq.ad.logs"='[{"source": "apache", "service": "<SERVICE_NAME>"}]'

Kubernetes

To configure this check for an Agent running on Kubernetes:

Metric collection

Set Autodiscovery Integrations Templates as pod annotations on your application container. Aside from this, templates can also be configured with a file, a configmap, or a key-value store.

Annotations v1 (for Datadog Agent < v7.36)

apiVersion: v1
kind: Pod
metadata:
  name: apache
  annotations:
    ad.datadoghq.com/apache.check_names: '["apache"]'
    ad.datadoghq.com/apache.init_configs: '[{}]'
    ad.datadoghq.com/apache.instances: |
      [
        {
          "apache_status_url": "http://%%host%%/server-status?auto"
        }
      ]
spec:
  containers:
    - name: apache

Annotations v2 (for Datadog Agent v7.36+)

apiVersion: v1
kind: Pod
metadata:
  name: apache
  annotations:
    ad.datadoghq.com/apache.checks: |
      {
        "apache": {
          "init_config": {},
          "instances": [
            {
              "apache_status_url": "http://%%host%%/server-status?auto"
            }
          ]
        }
      }
spec:
  containers:
    - name: apache
Log collection

Collecting logs is disabled by default in the Datadog Agent. To enable it, see Kubernetes Log Collection.

Then, set Log Integrations as pod annotations. This can also be configured with a file, a configmap, or a key-value store.

Annotations v1/v2

apiVersion: v1
kind: Pod
metadata:
  name: apache
  annotations:
    ad.datadoghq.com/apache.logs: '[{"source":"apache","service":"<SERVICE_NAME>"}]'
spec:
  containers:
    - name: apache

ECS

To configure this check for an Agent running on ECS:

Metric collection

Set Autodiscovery Integrations Templates as Docker labels on your application container:

{
  "containerDefinitions": [{
    "name": "apache",
    "image": "apache:latest",
    "dockerLabels": {
      "com.datadoghq.ad.check_names": "[\"apache\"]",
      "com.datadoghq.ad.init_configs": "[{}]",
      "com.datadoghq.ad.instances": "[{\"apache_status_url\": \"http://%%host%%/server-status?auto\"}]"
    }
  }]
}
Log collection

Collecting logs is disabled by default in the Datadog Agent. To enable it, see ECS Log Collection.

Then, set Log Integrations as Docker labels:

{
  "containerDefinitions": [{
    "name": "apache",
    "image": "apache:latest",
    "dockerLabels": {
      "com.datadoghq.ad.logs": "[{\"source\":\"apache\",\"service\":\"<YOUR_APP_NAME>\"}]"
    }
  }]
}

Validation

Run the Agent's status subcommand and look for apache under the Checks section.

Data Collected

Metrics

See metadata.csv for a list of metrics provided by this check.

Events

The Apache check does not include any events.

Service Checks

See service_checks.json for a list of service checks provided by this integration.

Troubleshooting

Apache status URL

If you are having issues with your Apache integration, it is mostly like due to the Agent not being able to access your Apache status URL. Try running curl for the apache_status_url listed in your apache.d/conf.yaml file (include your login credentials if applicable).

Further Reading

Additional helpful documentation, links, and articles: