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Full Discussion: Manipulate application status with awk
Top Forums Shell Programming and Scripting Manipulate application status with awk Post 302956916 by EAGL€ on Monday 5th of October 2015 09:26:38 AM
Old 10-05-2015
Manipulate application status with awk
Hello Friends,

I am stuck with a silly (maybe simple) awk issue. I need to check some applications status and print to a file..

my application "rfe" status is like the following. I need to check each instance status for the following 4 rows..

Code:
sscm@SSCM-SFE1:~$  svcs -a | grep -iw rfe
online         Sep_01   svc:/application/rfe/rfe_master_1:default
online         Sep_01   svc:/application/rfe/rfe_master_2:default
online         Sep_01   svc:/application/rfe/rfe_reserve_3:default
online         Sep_01   svc:/application/rfe/rfe_reserve_4:default

I have written something like the following:

Code:
svcs -a | grep -iw rfe | nawk 'NR==1{if ($1==online);split($NF,a,"/");split(a[4],b,":"); printf("%s\n", b[1]" is "$1)}'

output:
Code:
rfe_master_1 is online

But as far as I understand, my first chec "if ($1==online)" does not have an effect on the result as I changed it as "if ($1==offline)" if prints the same result.

How could I solve it? should I use sprintf to store "$1" value to recall later?

regards
 

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LEARN ABOUT DEBIAN

passenger-status

passenger-status(8)					      Adminstration Commands					       passenger-status(8)

NAME

       passenger-status - inspect Phusion Passenger's internal status

SYNOPSIS

       passenger-status [pid]

DESCRIPTION

       passenger-status  looks	at the current status of a Phusion Passenger installation. It will locate Phusion Passenger automatically if it is
       running and will give you a list of instances if there is more than one Phusion	Passenger  instance  running.  You  can  then  select  the
       instance by specifying the relevant PID on the command line.

       The general information section shows the following details:

       max    The  maximum number of application instances that Phusion Passenger will spawn. This equals the value given for PassengerMaxPoolSize
	      in the configuration.

       count  The number of application instances that are currently alive. This value is always less than or equal to max.

       active The number of application instances that are currently processing requests. This value is always less than or equal to count.

       inactive
	      The number of application instances that are currently not processing requests, i.e. are idle. Idle application  instances  will	be
	      shutdown	after  a  while, as can be specified with PassengerPoolIdleTime in the configuration. The value of inactive equals count -
	      active.

       The applications section shows each application instance, which directory it belongs to. The sessions field shows how many HTTP client  are
       currently being processed by that application instance.

OPTIONS

       pid    The process ID of the Phusion Passenger instance you want to look at

SEE ALSO

       passenger-memory-stats(8), ps(1), top(1)

       User guide at http://www.modrails.com/documentation.html

AUTHOR

       Phusion Passenger is written by Phusion (http://www.phusion.nl)

       "Phusion" and "Phusion Passenger" are trademarks of Hongli Lai & Ninh Bui.

       This manual page was written by Neil Wilson <neil@brightbox.co.uk> for the Ubuntu project (but may be used by others).

Phusion Passenger							2.0						       passenger-status(8)
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