diff options
Diffstat (limited to 'doc/netwatch-notify.md')
| -rw-r--r-- | doc/netwatch-notify.md | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/doc/netwatch-notify.md b/doc/netwatch-notify.md index 557ae88..11371ff 100644 --- a/doc/netwatch-notify.md +++ b/doc/netwatch-notify.md @@ -8,8 +8,9 @@ Description This script sends notifications about host UP and DOWN events. In comparison to just netwatch (`/ tool netwatch`) and its `up-script` and `down-script` -this script implements a simple state machine. Host down events are triggered -only if the host is down for several checks to avoid false alerts. +this script implements a simple state machine and dependency model. Host +down events are triggered only if the host is down for several checks and +optional parent host is not down to avoid false alerts. Requirements and installation ----------------------------- @@ -39,6 +40,15 @@ 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; +If the host is behind another checked host add a dependency, this will +suppress notification if the parent host is down: + + / tool netwatch add comment="notify, hostname=gateway" host=93.184.216.1; + / tool netwatch add comment="notify, hostname=example.com, parent=gateway" host=93.184.216.34; + +Note that every configured parent in a chain increases the check count +threshould by one. + Also notification settings are required for e-mail and telegram. --- |