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Alerta

Alerta

The Alerta monitoring system is a tool used to consolidate and de-duplicate alerts from multiple sources for quick ‘at-a-glance’ visualization. With just one system you can monitor alerts from many other monitoring tools on a single screen. You can send Netdata alerts to Alerta to see alerts coming from many Netdata hosts or also from a multi-host Netdata configuration.

Setup

Prerequisites

  • A working Alerta instance
  • An Alerta API key (if authentication in Alerta is enabled)
  • Access to the terminal where Netdata Agent is running

Configuration

File

The configuration file name for this integration is health_alarm_notify.conf.

You can edit the configuration file using the edit-config script from the Netdata config directory.

cd /etc/netdata 2>/dev/null || cd /opt/netdata/etc/netdata
sudo ./edit-config health_alarm_notify.conf

Options

The following options can be defined for this notification

Name Description Default Required
SEND_ALERTA Set SEND_ALERTA to YES yes
ALERTA_WEBHOOK_URL set ALERTA_WEBHOOK_URL to the API url you defined when you installed the Alerta server. yes
ALERTA_API_KEY Set ALERTA_API_KEY to your API key. yes
DEFAULT_RECIPIENT_ALERTA Set DEFAULT_RECIPIENT_ALERTA to the default recipient environment you want the alert notifications to be sent to. All roles will default to this variable if left unconfigured. yes
DEFAULT_RECIPIENT_CUSTOM Set different recipient environments per role, by editing DEFAULT_RECIPIENT_CUSTOM with the environment name of your choice no
ALERTA_API_KEY

You will need an API key to send messages from any source, if Alerta is configured to use authentication (recommended). To create a new API key:

  1. Go to Configuration > API Keys.
  2. Create a new API key called “netdata” with write:alerts permission.
DEFAULT_RECIPIENT_CUSTOM

The DEFAULT_RECIPIENT_CUSTOM can be edited in the following entries at the bottom of the same file:

role_recipients_alerta[sysadmin]="Systems"
role_recipients_alerta[domainadmin]="Domains"
role_recipients_alerta[dba]="Databases Systems"
role_recipients_alerta[webmaster]="Marketing Development"
role_recipients_alerta[proxyadmin]="Proxy"
role_recipients_alerta[sitemgr]="Sites"

The values you provide should be defined as environments in /etc/alertad.conf with ALLOWED_ENVIRONMENTS option.

Examples

Basic Configuration
#------------------------------------------------------------------------------
# alerta (alerta.io) global notification options

SEND_ALERTA="YES"
ALERTA_WEBHOOK_URL="http://yourserver/alerta/api"
ALERTA_API_KEY="INSERT_YOUR_API_KEY_HERE"
DEFAULT_RECIPIENT_ALERTA="Production"

Troubleshooting

Test Notification

You can run the following command by hand, to test alerts configuration:

# become user netdata
sudo su -s /bin/bash netdata

# enable debugging info on the console
export NETDATA_ALARM_NOTIFY_DEBUG=1

# send test alarms to sysadmin
/usr/libexec/netdata/plugins.d/alarm-notify.sh test

# send test alarms to any role
/usr/libexec/netdata/plugins.d/alarm-notify.sh test "ROLE"

Note that this will test all alert mechanisms for the selected role.

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