UserParameter with square bracket

[stevenfoo]

Hi All,

I have been trying to setup a UserParameter as following

UserParameter=test1,ls -l | grep -v phy_dbs | awk '{print $1 "\t" $5}' | grep '^[0-9]$'

When I run the command manually it works.

However when I test it with /usr/local/bin/zabbix_agentd -t test1
it return test1 [m|ZBX_NOTSUPPORTED]

I tried to add the "\" sign, '^\[0-9\]$' ,also it does not work

Any ideas?

[JBo]

Hi,

Your ls -l has no argument.
What directory are you trying to monitor ?

I don't know the purpose of your parameter, but if i run:

ls -l | grep -v phy_dbs | awk '{print $1 "\t" $5}' | grep '^[0-9]$'

I get nothing.

Your UserParameter needs to return something or Zabbix will mark it as unsupported.

Regards,
JBo

[stevenfoo]

I replace my script with ls -l.

Actually my script (check_tbp) data will produce something like below:


Space Ext Link Items Percentage
ABC_tbpsp 13 1-1 qw 20
DEF_tbpsp 14 1-2 qw 30
phy_dbs 16 1-3 dr 4
JKL_tbpsp 8 2-1 fr 9

check_tbp | grep -v phy_dbs | awk '{print $1 "\t" $5}' | grep '^[0-9]$'

[JBo]

Hi,

I tried this:

echo 'Space Ext Link Items Percentage
ABC_tbpsp 13 1-1 qw 20
DEF_tbpsp 14 1-2 qw 30
phy_dbs 16 1-3 dr 4
JKL_tbpsp 8 2-1 fr 9' | grep -v phy_dbs | awk '{print $1 "\t" $5}' | grep '^[0-9]$'

That should return the result you want and I still get no result.

I have also tried same command without last grep:

echo 'Space Ext Link Items Percentage
ABC_tbpsp 13 1-1 qw 20
DEF_tbpsp 14 1-2 qw 30
phy_dbs 16 1-3 dr 4
JKL_tbpsp 8 2-1 fr 9' | grep -v phy_dbs | awk '{print $1 "\t" $5}'

and I get:

Space    Percentage
ABC_tbpsp    20
DEF_tbpsp    30
JKL_tbpsp    9

You have described what you do but not what you want, so it is hard to find what should be changed in your code.

I may be wrong but I have the impression that your shell command is not doing what you want and that has nothing to do with Zabbix.

Regards,
JBo

[stevenfoo]

The issue is when you test it with /usr/local/bin/zabbix_agentd -t test1
it return test1 [m|ZBX_NOTSUPPORTED]

The below part works fine.

check_tbp | grep -v phy_dbs | awk '{print $1 "\t" $5}'

However if I add the below, Zabbix does not support it and return test1 [m|ZBX_NOTSUPPORTED]

check_tbp | grep -v phy_dbs | awk '{print $1 "\t" $5}' | grep '^[0-9]$'

[JBo]

Hi,

The issue is when you test it with /usr/local/bin/zabbix_agentd -t test1
it return test1 [m|ZBX_NOTSUPPORTED]

The below part works fine.

OK.
Under which account are you executing this command ?
Is check_tbp in default PATH of this user ?
Is check_tbp in default PATH of zabbix user ?

If you define UserParameter as:

UserParameter=test1,check_tbp 2>&1

what does

 /usr/local/bin/zabbix_agentd -t test1

display ?

Regards,
JBo

[JBo]

After rereading the full thread, I'm still afraid that your command

 check_tbp | grep -v phy_dbs | awk '{print $1 "\t" $5}' | grep '^[0-9]$'

will never return anything.
awk '{print $1 "\t" $5}' generates lines with 2 fields separated by a tab.
grep '^[0-9]$' will match lines that contain only a single digit.

I don't understand how the output of awk can match the input expected by grep.

Regards
JBo