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check_mail_loop_delay
Compatible With
- Nagios 1.x
- Nagios 2.x
- Nagios 3.x
- Nagios 4.x
Owner
License
GPL
Hits
18718
Files:
| File | Description |
|---|---|
| check_mail_loop_delay.pl | check_mail_loop_delay.pl |
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This script is an hybrid of active and passive check plugin. It forks to run a child process which submits final results of the mail loop as passive check through Nagios command file.
First the parent process sends a probe message connecting to an MTA server without client authentication and returns immediately to Nagios with the same service state it was given at command line and notifying of the message sent and its timestamp.
The child process detaches from parent process and sleeps for a warning threshold period of time. It then awakes and connects to the mail box server to receive the probe message sent by the parent process and to delete it if it founds it. Otherwise it sleeps again until critical threshold and retries connection and deletion again, submitting results before exiting.
Based on the found (or missing) probe within (out of) thresholds, Nagios is notified with "OK" if probe message is found in mail box after the first connection, "WARNING" if found after the second or "CRITICAL" if not found. Also it is informed of possible delayed messages arrived from previous executions of the plugin.
Nagios main config file options affecting this plugin:
- accept_passive_service_checks=1
- check_external_commands=1
- command_file=
Service definition directives suggested for this plugin:
- command_check_interval gt (warning + critical thresholds)[s]
- max_check_attempts=1
Possible usage in Nagios check command definition:
command_line $USER1$/check_mail_loop_delay.pl
-H "$HOSTNAME$" -D "$SERVICEDESC$" -S "$SERVICESTATEID$" -A "$ARG1$" -M "$ARG2$" -F "$ARG3$" -T "$ARG4$" -P "$ARG5$" -u "$ARG6$" -p "$ARG7$" -w "$ARG8$" -c "$ARG9" -f "$ARG10$"
First the parent process sends a probe message connecting to an MTA server without client authentication and returns immediately to Nagios with the same service state it was given at command line and notifying of the message sent and its timestamp.
The child process detaches from parent process and sleeps for a warning threshold period of time. It then awakes and connects to the mail box server to receive the probe message sent by the parent process and to delete it if it founds it. Otherwise it sleeps again until critical threshold and retries connection and deletion again, submitting results before exiting.
Based on the found (or missing) probe within (out of) thresholds, Nagios is notified with "OK" if probe message is found in mail box after the first connection, "WARNING" if found after the second or "CRITICAL" if not found. Also it is informed of possible delayed messages arrived from previous executions of the plugin.
Nagios main config file options affecting this plugin:
- accept_passive_service_checks=1
- check_external_commands=1
- command_file=
Service definition directives suggested for this plugin:
- command_check_interval gt (warning + critical thresholds)[s]
- max_check_attempts=1
Possible usage in Nagios check command definition:
command_line $USER1$/check_mail_loop_delay.pl
-H "$HOSTNAME$" -D "$SERVICEDESC$" -S "$SERVICESTATEID$" -A "$ARG1$" -M "$ARG2$" -F "$ARG3$" -T "$ARG4$" -P "$ARG5$" -u "$ARG6$" -p "$ARG7$" -w "$ARG8$" -c "$ARG9" -f "$ARG10$"
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