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doc/netwatch-notify: add sections

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Christian Hesse 2022-02-08 17:39:53 +01:00
parent dd19aea362
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doc/netwatch-notify.md
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@ -38,6 +38,8 @@ The hosts to be checked have to be added to netwatch with specific comment:
/ tool netwatch add comment="notify, hostname=example.com" host=[ :resolve "example.com" ]; / tool netwatch add comment="notify, hostname=example.com" host=[ :resolve "example.com" ];
### Hooks
It is possible to run an up hook command (`up-hook`) or down hook command It is possible to run an up hook command (`up-hook`) or down hook command
(`down-hook`) when a notification is triggered. This has to be added in (`down-hook`) when a notification is triggered. This has to be added in
comment, note that some characters need extra escaping: comment, note that some characters need extra escaping:
@ -48,10 +50,14 @@ Also there is a `pre-down-hook` that fires at two thirds of failed checks
required for the notification. The idea is to fix the issue before a required for the notification. The idea is to fix the issue before a
notification is sent. notification is sent.
### Count threshould
The count threshould (default is 5 checks) is configurable as well: The count threshould (default is 5 checks) is configurable as well:
/ tool netwatch add comment="notify, hostname=example.com, count=10" host=104.18.144.11; / tool netwatch add comment="notify, hostname=example.com, count=10" host=104.18.144.11;
### Parents & dependencies
If the host is behind another checked host add a dependency, this will If the host is behind another checked host add a dependency, this will
suppress notification if the parent host is down: suppress notification if the parent host is down:
@ -61,6 +67,8 @@ suppress notification if the parent host is down:
Note that every configured parent in a chain increases the check count Note that every configured parent in a chain increases the check count
threshould by one. threshould by one.
### Update from DNS
The host address can be updated dynamically. Give extra parameter `resolve` The host address can be updated dynamically. Give extra parameter `resolve`
with a resolvable name: with a resolvable name: