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5 Configuring Yoopl Objects
What Are Objects?
Objects are all the elements that are involved in the monitoring and notification logic. Types of objects include:
- Service Groups
- Host Groups
- Time Periods
- Notification Escalations
- Notification and Execution Dependencies
More information on what objects are and how they relate to each other can be found below.
Where Are Objects Defined?
Objects can be defined in the settings section.
How Are Objects Defined?
Objects are defined in a flexible template format, which can make it much easier to manage your Yoopl configuration in the long term. Basic information on how to define objects in your configuration files can be found here.
Once you get familiar with the basics of how to define objects, you should make your configuration more robust for the future. Seasoned users can exploit some advanced features of object definitions as described in the documentation on object tricks.
Some of the main object types are explained in greater detail below...
Hosts are one of the central objects in the monitoring logic. Important attributes of hosts are as follows:
- Hosts are usually physical devices on your network (servers, workstations, routers, switches, printers, etc).
- Hosts have an address of some kind (e.g. an IP or MAC address).
- Hosts have one or more more services associated with them.
Host Groups are groups of one or more hosts. Host groups can make it easier to (1) view the status of related hosts in the monitoring interface and (2) simplify your configuration through the use of object tricks.
Services are one of the central objects in the monitoring logic. Services are associated with hosts and can be:
- Attributes of a host (CPU load, disk usage, uptime, etc.)
- Services provided by the host (HTTP, POP3, FTP, SSH, etc.)
- Other things associated with the host (DNS records, etc.)
Service Groups are groups of one or more services. Service groups can make it easier to (1) view the status of related services in the monitoring interface and (2) simplify your configuration through the use of object tricks.
Contacts are people involved in the notification process:
- Contacts have one or more notification methods (cellphone, pager, email, instant messaging, etc.)
- Contacts receive notifications for hosts and service they are responsible for
Companies are groups of one or more contacts. Contact groups can make it easier to define all the people who get notified when certain host or service problems occur.
Timeperiods are are used to control:
- When hosts and services can be monitored
- When contacts can receive notifications
Information on how timeperiods work can be found here.
CheckCommands are used to tell Yoopl what programs, scripts, etc. it should execute to perform:
- Host and service checks
- Event handlers
- and more...