6.17.2. Monitoring Status Using cacti

6.17.2. Monitoring Status Using cacti
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Graphing Tungsten Replicator data is supported through Cacti extensions. These provide information gathering for the following data points:

To configure the Cacti services:

Download both files from https://github.com/continuent/monitoring/tree/master/cacti
Place the PHP script into /usr/share/cacti/scripts.
Modify the installed PHP file with the appropriate $ssh_user and $tungsten_home location from your installation:
- $ssh_user should match the user used during installation.
- $tungsten_home is the installation directory and the tungsten subdirectory. For example, if you have installed into /opt/continuent, use /opt/continuent/tungsten.
Add SSH arguments to specify the correct id_rsa file if needed.
Ensure that the configured $ssh_user has the correct SSH authorized keys to login to the server or servers being monitored. The user must also have the correct permissions and rights to write to the cache directory.
Test the script by running it by hand:
```
shell> php -q /usr/share/cacti/scripts/get_replicator_stats.php --hostname replserver
```
If you are using multiple replication services, add --service servicename to the command.
Import the XML file as a Cacti template.
Add the desired graphs to your servers running Tungsten Cluster. If you are using multiple replications services, you'll need to specify the desired service to graph. A graph must be added for each individual replication service.

Once configured, graphs can be used to display the activity and availability.

Figure 6.2. Cacti Monitoring: Example Graphs

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