Nagios

Supported OS Linux Windows Mac OS

Integration version3.0.0

Agent Check: Nagios

Overview

Send events from your Nagios-monitored infrastructure to Datadog for richer alerting and to help correlate Nagios events with metrics from your Datadog-monitored infrastructure.

This check watches your Nagios server’s logs and sends events to Datadog for the following:

Service flaps
Host state changes
Passive service checks
Host and service downtimes

This check can also send Nagios performance data as metrics to Datadog.

Setup

Installation

The Nagios check is included in the Datadog Agent package, so you don’t need to install anything else on your Nagios servers.

Configuration

Follow the instructions below to configure this check for an Agent running on a host. For containerized environments, see the Containerized section.

Host

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

Edit the nagios.d/conf.yaml file in the conf.d/ folder at the root of your Agent’s configuration directory. See the sample nagios.d/conf.yaml for all available configuration options.
Restart the Agent to start sending Nagios events and (optionally) performance data metrics to Datadog.

Note: The Nagios check can potentially emit custom metrics, which may impact your billing.

Containerized

For containerized environments, see the Autodiscovery Integration Templates for guidance on applying the parameters below.

Parameter	Value
`<INTEGRATION_NAME>`	`nagios`
`<INIT_CONFIG>`	blank or `{}`
`<INSTANCE_CONFIG>`	`{"nagios_conf": "/etc/nagios3/nagios.cfg"}`

Note: The containerized Agent should be able to access the /etc/nagios3/nagios.cfg file to enable the Datadog-Nagios integration.

Validation

Run the Agent’s status subcommand and look for nagios under the Checks section.

Data Collected

Metrics


nagios.current_users.users (gauge)	Number of current user Shown as user
nagios.disk_space (gauge)	Disk space Shown as mebibyte
nagios.host.pl (gauge)	Packet loss Shown as percent
nagios.host.rta (gauge)	Round trip time between Nagios and client Shown as millisecond
nagios.http.size (gauge)	HTTP response size Shown as byte
nagios.http.time (gauge)	HTTP response time Shown as second
nagios.ping.pl (gauge)	Packet loss Shown as percent
nagios.ping.rta (gauge)	Round trip time between Nagios and client Shown as millisecond
nagios.swap_usage.swap (gauge)	Memory swap usage Shown as mebibyte

Log collection

Collecting logs is disabled by default in the Datadog Agent, enable it in your datadog.yaml file:
```
logs_enabled: true
```
Add this configuration block to your nagios.d/conf.yaml file to start collecting your Nagios logs:
```
logs:
  - type: file
    path: /opt/nagios/var/log/nagios.log
    source: nagios
```
Change the path parameter value based on your environment, see log_file value in your nagios configuration file. See the sample nagios.d/conf.yaml for all available configuration options.
Restart the Agent.

Events

The check watches the Nagios events log for log lines containing these strings, emitting an event for each line:

SERVICE FLAPPING ALERT
ACKNOWLEDGE_SVC_PROBLEM
SERVICE ALERT
HOST ALERT
ACKNOWLEDGE_HOST_PROBLEM
SERVICE NOTIFICATION
HOST DOWNTIME ALERT
PROCESS_SERVICE_CHECK_RESULT
SERVICE DOWNTIME ALERT

Service Checks

The Nagios check does not include any service checks.

Troubleshooting

Need help? Contact Datadog support.