Added argument substitution to monitor scripts

This commit is contained in:
Markus Makela
2015-11-11 16:52:24 +02:00
parent 466224b316
commit 2d600868f5
10 changed files with 161 additions and 184 deletions

View File

@ -83,27 +83,6 @@ This is a situation which can happen if all slave servers are unreachable or the
```
detect_stale_master=true
```
### `script`
This script will be executed when a server changes its state. The parameter should be an absolute path to the script or it should be in the executable path. The user which is used to run MaxScale should have execution rights to the file itself and the directory it resides in.
```
script=/home/user/script.sh
```
This script will be called with the following command line arguments.
```
<name of the script> --event=<event type> --initiator=<server whose state changed> --nodelist=<list of all servers>
```
### `events`
A list of event names which cause the script to be executed. If this option is not defined, all events cause the script to be executed. The list must contain a comma separated list of event names.
```
events=master_down,slave_down
```
### `mysql51_replication`
@ -113,23 +92,9 @@ Enable support for MySQL 5.1 replication monitoring. This is needed if a MySQL s
mysql51_replication=true
```
## Script events
Here is a table of all possible event types and their descriptions.
Event Name|Description
----------|----------
master_down|A Master server has gone down
master_up|A Master server has come up
slave_down|A Slave server has gone down
slave_up|A Slave server has come up
server_down|A server with no assigned role has gone down
server_up|A server with no assigned role has come up
lost_master|A server lost Master status
lost_slave|A server lost Slave status
new_master|A new Master was detected
new_slave|A new Slave was detected
### Common Monitor Parameters
For a list of optional parameters that all monitors support, read the [Monitor Common](Monitor-Common.md) document.
## Example 1 - Monitor script