CheckNet.md

CheckNet

Network related check such as check_ping.

List of commands

A list of all available queries (check commands)

Command	Description
check_ping	Ping another host and check the result.

Queries

A quick reference for all available queries (check commands) in the CheckNet module.

check_ping

Ping another host and check the result.

Usage

Option	Default Value	Description
filter		Filter which marks interesting items.
warning	time > 60 or loss > 5%	Filter which marks items which generates a warning state.
warn		Short alias for warning
critical	time > 100 or loss > 10%	Filter which marks items which generates a critical state.
crit		Short alias for critical.
ok		Filter which marks items which generates an ok state.
debug	N/A	Show debugging information in the log
show-all	N/A	Show details for all matches regardless of status (normally details are only showed for warnings and criticals).
empty-state	unknown	Return status to use when nothing matched filter.
perf-config		Performance data generation configuration
escape-html	N/A	Escape any < and > characters to prevent HTML encoding
help	N/A	Show help screen (this screen)
help-pb	N/A	Show help screen as a protocol buffer payload
show-default	N/A	Show default values for a given command
help-short	N/A	Show help screen (short format).
top-syntax	${status}: ${ok_count}/${count} (${problem_list})	Top level syntax.
ok-syntax	%(status): All %(count) hosts are ok	ok syntax.
empty-syntax	No hosts found	Empty syntax.
detail-syntax	${ip} Packet loss = ${loss}%, RTA = ${time}ms	Detail level syntax.
perf-syntax	${host}	Performance alias syntax.
host		The host to check (or multiple hosts).
total	N/A	Include the total of all matching hosts
hosts		The host to check (or multiple hosts).
count	1	Number of packets to send.
timeout	500	Timeout in milliseconds.

### filter

Description: Filter which marks interesting items. Interesting items are items which will be included in the check. They do not denote warning or critical state instead it defines which items are relevant and you can remove unwanted items. Available options :

Key	Value
count	Number of items matching the filter. Common option for all checks.
total	Total number of items. Common option for all checks.
ok_count	Number of items matched the ok criteria. Common option for all checks.
warn_count	Number of items matched the warning criteria. Common option for all checks.
crit_count	Number of items matched the critical criteria. Common option for all checks.
problem_count	Number of items matched either warning or critical criteria. Common option for all checks.
list	A list of all items which matched the filter. Common option for all checks.
ok_list	A list of all items which matched the ok criteria. Common option for all checks.
warn_list	A list of all items which matched the warning criteria. Common option for all checks.
crit_list	A list of all items which matched the critical criteria. Common option for all checks.
problem_list	A list of all items which matched either the critical or the warning criteria. Common option for all checks.
detail_list	A special list with critical, then warning and finally ok. Common option for all checks.
status	The returned status (OK/WARN/CRIT/UNKNOWN). Common option for all checks.
host	The host name or ip address (as given on command line)
ip	The ip address name
loss	Packet loss
recv	Number of packets received from the host
sent	Number of packets sent to the host
time	Round trip time in ms
timeout	Number of packets which timed out from the host

### warning

Deafult Value: time > 60 or loss > 5%

Description: Filter which marks items which generates a warning state. If anything matches this filter the return status will be escalated to warning. Available options :

Key	Value
count	Number of items matching the filter. Common option for all checks.
total	Total number of items. Common option for all checks.
ok_count	Number of items matched the ok criteria. Common option for all checks.
warn_count	Number of items matched the warning criteria. Common option for all checks.
crit_count	Number of items matched the critical criteria. Common option for all checks.
problem_count	Number of items matched either warning or critical criteria. Common option for all checks.
list	A list of all items which matched the filter. Common option for all checks.
ok_list	A list of all items which matched the ok criteria. Common option for all checks.
warn_list	A list of all items which matched the warning criteria. Common option for all checks.
crit_list	A list of all items which matched the critical criteria. Common option for all checks.
problem_list	A list of all items which matched either the critical or the warning criteria. Common option for all checks.
detail_list	A special list with critical, then warning and finally ok. Common option for all checks.
status	The returned status (OK/WARN/CRIT/UNKNOWN). Common option for all checks.
host	The host name or ip address (as given on command line)
ip	The ip address name
loss	Packet loss
recv	Number of packets received from the host
sent	Number of packets sent to the host
time	Round trip time in ms
timeout	Number of packets which timed out from the host

### warn

Description: Short alias for warning

### critical

Deafult Value: time > 100 or loss > 10%

Description: Filter which marks items which generates a critical state. If anything matches this filter the return status will be escalated to critical. Available options :

Key	Value
count	Number of items matching the filter. Common option for all checks.
total	Total number of items. Common option for all checks.
ok_count	Number of items matched the ok criteria. Common option for all checks.
warn_count	Number of items matched the warning criteria. Common option for all checks.
crit_count	Number of items matched the critical criteria. Common option for all checks.
problem_count	Number of items matched either warning or critical criteria. Common option for all checks.
list	A list of all items which matched the filter. Common option for all checks.
ok_list	A list of all items which matched the ok criteria. Common option for all checks.
warn_list	A list of all items which matched the warning criteria. Common option for all checks.
crit_list	A list of all items which matched the critical criteria. Common option for all checks.
problem_list	A list of all items which matched either the critical or the warning criteria. Common option for all checks.
detail_list	A special list with critical, then warning and finally ok. Common option for all checks.
status	The returned status (OK/WARN/CRIT/UNKNOWN). Common option for all checks.
host	The host name or ip address (as given on command line)
ip	The ip address name
loss	Packet loss
recv	Number of packets received from the host
sent	Number of packets sent to the host
time	Round trip time in ms
timeout	Number of packets which timed out from the host

### crit

Description: Short alias for critical.

### ok

Description: Filter which marks items which generates an ok state. If anything matches this any previous state for this item will be reset to ok. Available options :

Key	Value
count	Number of items matching the filter. Common option for all checks.
total	Total number of items. Common option for all checks.
ok_count	Number of items matched the ok criteria. Common option for all checks.
warn_count	Number of items matched the warning criteria. Common option for all checks.
crit_count	Number of items matched the critical criteria. Common option for all checks.
problem_count	Number of items matched either warning or critical criteria. Common option for all checks.
list	A list of all items which matched the filter. Common option for all checks.
ok_list	A list of all items which matched the ok criteria. Common option for all checks.
warn_list	A list of all items which matched the warning criteria. Common option for all checks.
crit_list	A list of all items which matched the critical criteria. Common option for all checks.
problem_list	A list of all items which matched either the critical or the warning criteria. Common option for all checks.
detail_list	A special list with critical, then warning and finally ok. Common option for all checks.
status	The returned status (OK/WARN/CRIT/UNKNOWN). Common option for all checks.
host	The host name or ip address (as given on command line)
ip	The ip address name
loss	Packet loss
recv	Number of packets received from the host
sent	Number of packets sent to the host
time	Round trip time in ms
timeout	Number of packets which timed out from the host

### debug

Description: Show debugging information in the log

### show-all

Description: Show details for all matches regardless of status (normally details are only showed for warnings and criticals).

### empty-state

Deafult Value: unknown

Description: Return status to use when nothing matched filter. If no filter is specified this will never happen unless the file is empty.

### perf-config

Description: Performance data generation configuration TODO: obj ( key: value; key: value) obj (key:valuer;key:value)

### escape-html

Description: Escape any < and > characters to prevent HTML encoding

### help

Description: Show help screen (this screen)

### help-pb

Description: Show help screen as a protocol buffer payload

### show-default

Description: Show default values for a given command

### help-short

Description: Show help screen (short format).

### top-syntax

Deafult Value: ${status}: ${ok_count}/${count} (${problem_list})

Description: Top level syntax. Used to format the message to return can include text as well as special keywords which will include information from the checks. To add a keyword to the message you can use two syntaxes either ${keyword} or %(keyword) (there is no difference between them apart from ${} can be difficult to excpae on linux). The available keywords are:

Key	Value
count	Number of items matching the filter. Common option for all checks.
total	Total number of items. Common option for all checks.
ok_count	Number of items matched the ok criteria. Common option for all checks.
warn_count	Number of items matched the warning criteria. Common option for all checks.
crit_count	Number of items matched the critical criteria. Common option for all checks.
problem_count	Number of items matched either warning or critical criteria. Common option for all checks.
list	A list of all items which matched the filter. Common option for all checks.
ok_list	A list of all items which matched the ok criteria. Common option for all checks.
warn_list	A list of all items which matched the warning criteria. Common option for all checks.
crit_list	A list of all items which matched the critical criteria. Common option for all checks.
problem_list	A list of all items which matched either the critical or the warning criteria. Common option for all checks.
detail_list	A special list with critical, then warning and finally ok. Common option for all checks.
status	The returned status (OK/WARN/CRIT/UNKNOWN). Common option for all checks.

### ok-syntax

Deafult Value: %(status): All %(count) hosts are ok

Description: ok syntax. DEPRECATED! This is the syntax for when an ok result is returned. This value will not be used if your syntax contains %(list) or %(count).

### empty-syntax

Deafult Value: No hosts found

Description: Empty syntax. DEPRECATED! This is the syntax for when nothing matches the filter. Possible values are:

Key	Value
count	Number of items matching the filter. Common option for all checks.
total	Total number of items. Common option for all checks.
ok_count	Number of items matched the ok criteria. Common option for all checks.
warn_count	Number of items matched the warning criteria. Common option for all checks.
crit_count	Number of items matched the critical criteria. Common option for all checks.
problem_count	Number of items matched either warning or critical criteria. Common option for all checks.
list	A list of all items which matched the filter. Common option for all checks.
ok_list	A list of all items which matched the ok criteria. Common option for all checks.
warn_list	A list of all items which matched the warning criteria. Common option for all checks.
crit_list	A list of all items which matched the critical criteria. Common option for all checks.
problem_list	A list of all items which matched either the critical or the warning criteria. Common option for all checks.
detail_list	A special list with critical, then warning and finally ok. Common option for all checks.
status	The returned status (OK/WARN/CRIT/UNKNOWN). Common option for all checks.

### detail-syntax

Deafult Value: ${ip} Packet loss = ${loss}%, RTA = ${time}ms

Description: Detail level syntax. Used to format each resulting item in the message. %(list) will be replaced with all the items formated by this syntax string in the top-syntax. To add a keyword to the message you can use two syntaxes either ${keyword} or %(keyword) (there is no difference between them apart from ${} can be difficult to excpae on linux). The available keywords are:

Key	Value
host	The host name or ip address (as given on command line)
ip	The ip address name
loss	Packet loss
recv	Number of packets received from the host
sent	Number of packets sent to the host
time	Round trip time in ms
timeout	Number of packets which timed out from the host

### perf-syntax

Deafult Value: ${host}

Description: Performance alias syntax. This is the syntax for the base names of the performance data. Possible values are:

Key	Value
host	The host name or ip address (as given on command line)
ip	The ip address name
loss	Packet loss
recv	Number of packets received from the host
sent	Number of packets sent to the host
time	Round trip time in ms
timeout	Number of packets which timed out from the host

### host

Description: The host to check (or multiple hosts).

### total

Description: Include the total of all matching hosts

### hosts

Description: The host to check (or multiple hosts).

### count

Deafult Value: 1

Description: Number of packets to send.

### timeout

Deafult Value: 500

Description: Timeout in milliseconds.