need help on multipath

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1

we usually perform lot of multipath tasks in our company.

On a server if i want to configure multipath for disk aliases

multipath -ll|egrep “dm-|size”|sed -e ‘s/]/ /g’|sed -e ‘N’ -e ‘s/\n/ /’|awk ‘{print $6,$2}’|sed -e ‘s/[size=//g’|sed -e ‘s/(//g’|sed -e ‘s/)//g’|sed -e ‘s/.0G/G/’|sort this displays output like below

size=100G 360060e8007dd94000030dd940000048e
size=100G 360060e8007dd94000030dd940000048f
size=200G 360060e8007dd94000030dd940000048d
size=50G 360060e8007dd94000030dd9400000490
size=5G 360060e8007dd94000030dd9400000491
size=5G 360060e8007dd94000030dd9400000492
size=5G 360060e8007dd94000030dd9400000493
size=5G 360060e8007dd94000030dd9400000494
size=5G 360060e8007dd94000030dd9400000495
size=5G 360060e8007dd94000030dd9400000496
size=5G 360060e8007dd94000030dd9400000497

once we have this output we usually copy this output into file like allluns and run a script like below test-create-multipath-conf.sh to

#!/usr/bin/ksh

multipath.cfg
k=0
v=0
j=0
while read line
do
line1=echo $line|awk '{print $1}'
line2=echo $line|awk '{print $2}'
if [ “$line1” = “size=100G” ];then
j=expr $j + 1
echo " multipath {" >> multipath.cfg
echo " wwid $line2" >> multipath.cfg
echo " alias data$j" >> multipath.cfg
echo " }" >> multipath.cfg
elif [ “$line1” = “size=5G” ];then
v=expr $v + 1
echo " multipath {" >> multipath.cfg
echo " wwid $line2" >> multipath.cfg
echo " alias redo$v" >> multipath.cfg
echo " }" >> multipath.cfg
elif [ “$line1” = “size=200G” ];then
k=expr $k + 1
echo " multipath {" >> multipath.cfg
echo " wwid $line2" >> multipath.cfg
echo " alias fra$k" >> multipath.cfg
echo " }" >> multipath.cfg
fi

done < allluns
sed -i ‘$i}’ multipath.cfg

and it creates output like below

multipath {
wwid 360060e8007dd94000030dd940000048e
alias data1
}
multipath {
wwid 360060e8007dd94000030dd940000048f
alias data2
}
multipath {
wwid 360060e8007dd94000030dd940000048d
alias fra1
}
multipath {
wwid 360060e8007dd94000030dd9400000491
alias redo1
}
multipath {
wwid 360060e8007dd94000030dd9400000492
alias redo2
}
multipath {
wwid 360060e8007dd94000030dd9400000493
alias redo3
}
multipath {
wwid 360060e8007dd94000030dd9400000494
alias redo4
}
multipath {
wwid 360060e8007dd94000030dd9400000495
alias redo5
}
multipath {
wwid 360060e8007dd94000030dd9400000496
alias redo6
}
multipath {
wwid 360060e8007dd94000030dd9400000497
alias redo7
}
}

can any one help me with above requirement im trying to convert into ansible

2

we usually perform lot of multipath tasks in our company.

On a server if i want to configure multipath for disk aliases

multipath -ll|egrep "dm-|size"|sed -e 's/\]/ /g'|sed -e 'N' -e 's/\n/
/'|awk '{print $6,$2}'|sed -e 's/\[size=//g'|sed -e 's/(//g'|sed -e
's/)//g'|sed -e 's/\.0G/G/'|sort this displays output like below

To register output in a variable from a module in Ansible you have register:
https://docs.ansible.com/ansible/playbooks_variables.html#registered-variables

once we have this output we usually copy this output into file like allluns
and run a script like below test-create-multipath-conf.sh to

To create files in Ansible where you can use the variable you have the template module.
https://docs.ansible.com/ansible/template_module.html