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icinga2rt

icinga2rt is a tool which automatically creates, updates and closes request tracker tickets on status changes of hosts or services monitored by icinga2.

Commandline Arguments

-config string
	configuration file (default "/etc/bytemine/icinga2rt.json")
-debug
	debug mode, print log messages
-debugevents
	print received events
-example
	write example configuration file as icinga2rt.json.example to current directory
-exportCache string
	export contents of cache to this file, and quit
-importCache string
	import contents of cache from this file, and quit
-version
	display version and exit

Configuration

A configuration is expected to be in /etc/bytemine/icinga2rt.json, other paths can be used with the -config switch. The icinga2rt.json.example file is a good starting point for a config.

Explained Example Configuration

If parts of this are used, comments (//...) must be removed. Using the -example switch is recommended.

{
	"Icinga": {
		"URL": "https://monitoring.example.com:5665", // URL to Icinga2 API
		"User": "root", // Icinga2 API user
		"Password": "secret", // Icinga2 API password
		"Filter": "", // Icinga2 event stream filter expression
		"LocalFilter": { // Local event filtering
			"Any": null,
			"All": [
				{
					"Users": [
						"request-tracker"
					]
				}
			]
		},
		"Insecure": true, // Ignore SSL certificate errors
		"Retries": 5 // Maximum tries for connecting to Icinga2 API
	},
	"RT": {
		"URL": "https://support.example.com", // Request Tracker base URL
		"User": "apiuser", // Request Tracker API user
		"Password": "secret", // Request Tracker password
		"Insecure": true // Ignore SSL certificate errors
	},
	"Cache": {
		"File": "/var/lib/icinga2rt/icinga2rt.bolt" // Path to cache file storing event-ticket associations
	},
	"Ticket": {
		"Mappings": "/etc/bytemine/icinga2rt.csv", // File with mappings
		"Nobody": "Nobody", // A Request Tracker ticket is unowned if owned by this user.
		"Queue": "general", // Request Tracker queue where tickets are created
		"ClosedStatus": [ // List of Request Tracker stati for which tickets are considered to be closed.
			"done",
			"resolved",
			"deleted"
		]
	}
}

Mappings

A mapping is the tuple of an events state, the old state (if any), if the ticket is owned, and an action to perform for this event. These mappings are stored in a CSV file with the columns

  • state: one of UNKNOWN, WARNING, CRITICAL, OK
  • old state: one of UNKNOWN, WARNING, CRITICAL, OK or an empty string for non existing tickets.
  • owned: one of true or false. should be false if old state is the empty string.
  • action: one of create, comment, delete or ignore

The values supplied are read case-insensitive, but the values provided above are preferred. Lines can be commented if their first character is #.

Example

# state, old state, owned, action
# ignore OK events if no old state is known
OK,,false,ignore
# delete ticket if unowned and was WARNING, CRITICAL or UNKNOWN
OK,WARNING,false,delete
OK,CRITICAL,false,delete
OK,UNKNOWN,false,delete
# comment ticket if unowned and was WARNING, CRITICAL or UNKNOWN
OK,WARNING,true,comment
OK,CRITICAL,true,comment
OK,UNKNOWN,true,comment
# create tickets for WARNING, CRITICAL or UNKNOWN if not exisiting
WARNING,,false,create
CRITICAL,,false,create
UNKNOWN,,false,create
# ignore if state hasn't changed
WARNING,WARNING,false,ignore
WARNING,WARNING,true,ignore
CRITICAL,CRITICAL,false,ignore
CRITICAL,CRITICAL,true,ignore
UNKNOWN,UNKNOWN,false,ignore
UNKNOWN,UNKNOWN,true,ignore
# comment tickets on state changes
WARNING,CRITICAL,false,comment
WARNING,CRITICAL,true,comment
WARNING,UNKNOWN,false,comment
WARNING,UNKNOWN,true,comment
CRITICAL,WARNING,false,comment
CRITICAL,WARNING,true,comment
CRITICAL,UNKNOWN,false,comment
CRITICAL,UNKNOWN,true,comment
UNKNOWN,WARNING,false,comment
UNKNOWN,WARNING,true,comment
UNKNOWN,CRITICAL,false,comment
UNKNOWN,CRITICAL,true,comment

Local Filters

Instead of using the Icinga2 filter (which aren't that well documented :( ), you can filter the received events client side. This happens by giving either an All filter set or an Any filter set in LocalFilters. These two sets are like conjunctive (cnf) and disjunctive (dnf) normal forms. In the All set, every filter must match but only one field of a filter has to match (cnf), the reverse logic applies to Any sets. You can't specifiy both sets. A filter set consists of a list of event like objects, where each object can have the fields Host, Service, Users, Author, Text and NotificationType. If a field isn't present, it is ignored and has no impact on the filtering. At the moment, only comparison for equality is possible.

Example: Filtering notifications by receiving users

We are only interested in creating tickets for two specific users foo and bar. The easiest way to do this is to add a filter to the All set, consisting only of the two users:

"All": [
	{
		"Users": [
			"foo",
			"bar"
		]
	}
]

Using the Any filter set, this would be:

"Any": [
	{
		"Users": [
			"foo"
		]
	},
	{
		"Users": [
			"bar"
		]
	}
]

Running

Upstart

description     "bytemine Icinga2 RT ticket creator"

start on (net-device-up and local-filesystems and runlevel [2345])
stop on runlevel [016]

respawn
respawn limit 10 5

console log
setuid icingatort
setgid icingatort

exec /usr/share/bytemine-icinga2rt/bytemine-icinga2rt

systemd

I'm not really used to systemd, but this should work as a unit file:

[Unit]
Description=bytemine Icinga2 RT ticket creator
After=network-online.target

[Service]
Restart=on-failure

User=icingatort
Group=icingatort

ExecStart=/usr/share/bytemine-icinga2rt/bytemine-icinga2rt

[Install]
WantedBy=multi-user.target

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Icinga2 - Request Tracker integration

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