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show status like 'wsrep_flow_control_paused'; Scientific Notation output

Using: mariadb 10.5.5-MariaDB-1:10.5.5+maria~focal-log

Error on execution

/opt/nagios/libexec/check_galera_cluster  -H localhost -u nagios -p <pw> -w 2 -c 2 0                                                                                                                                                           
(standard_in) 1: syntax error                                                                                                                                                                                                                                                   
/opt/nagios/libexec/check_galera_cluster: line 171: [: =: unary operator expected                                                                                                                                                                                               
OK: number of NODES = 3 (wsrep_cluster_size)

Value in db:

show status like 'wsrep_flow_control_paused';
+---------------------------+-------------+
| Variable_name             | Value       |
+---------------------------+-------------+
| wsrep_flow_control_paused | 1.42823e-05 |
+---------------------------+-------------+
1 row in set
Time: 0.031s

script can't handle Scientific Notation 1.42823e-05

Solution:

add before line 171:

rFlowControl=$(printf "%.14f" $rFlowControl)

thanks for your script, hope this fix helps others too :)

Unable to connect to remote host

Hello,
When im trying to do remote check, the check is done locally on nagios server not on remote machine.

-H 100.64.9.42 -u USERNAME -p PASSWORD-w 2 -c 2 0

/opt/plugins/check_galera_cluster
Result code: CRITICAL
CRITICAL: node is not part of a cluster

When I run the script locally on the DB-server i get correct answer.

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