Cacti

Agent Check

Overview

Get metrics from cacti service in real time to:

• Visualize and monitor cacti states
• Be notified about cacti failovers and events.

Setup

Installation

The Cacti check is packaged with the Agent, so simply install the Agent on your Cacti servers.

Configuration

Create a datadog user with read-only rights to the Cacti database

sudo mysql -e "create user 'datadog'@'localhost' identified by '<password>';"
sudo mysql -e "grant select on cacti.* to 'datadog'@'localhost';"

Check user and rights

mysql -u datadog --password=<password> -e "show status" | \
grep Uptime && echo -e "\033[0;32mMySQL user - OK\033[0m" || \
echo -e "\033[0;31mCannot connect to MySQL\033[0m"

mysql -u datadog --password=<password> -D cacti -e "select * from data_template_data limit 1" && \
echo -e "\033[0;32mMySQL grant - OK\033[0m" || \
echo -e "\033[0;31mMissing SELECT grant\033[0m"

Configure the Agent to connect to MySQL Edit conf.d/cacti.yaml. See the sample cacti.yaml for all available configuration options:

init_config:

instances:
    -   mysql_host: localhost
        mysql_user: datadog
        mysql_password: hx3beOpMFcvxn9gXcs0MU3jX
        rrd_path: /path/to/cacti/rra
        #field_names:
        #    - ifName
        #    - dskDevice
        #    - ifIndex
        #rrd_whitelist: /path/to/rrd_whitelist.txt

Give the dd-agent user access to the RRD files

sudo gpasswd -a dd-agent www-data
sudo chmod -R g+rx /var/lib/cacti/rra/
sudo su - dd-agent -c 'if [ -r /var/lib/cacti/rra/ ];
then echo -e "\033[0;31mdd-agent can read the RRD files\033[0m";
else echo -e "\033[0;31mdd-agent can not read the RRD files\033[0m";
fi'

Validation

Run the Agent’s status subcommand and look for cacti under the Checks section:

  Checks
  ======
    [...]

    cacti
    -------
      - instance #0 [OK]
      - Collected 26 metrics, 0 events & 1 service check

    [...]

Compatibility

The Cacti check is compatible with all major platforms

Data Collected

Metrics

Events

The Cacti check does not include any event at this time.

Service Checks

The Cacti check does not include any service check at this time.

Troubleshooting

Need help? Contact Datadog Support.

Further Reading

Learn more about infrastructure monitoring and all our integrations on our blog