#! /bin/bash
# to sync all users across all nodes in the cluster
# if an user in /etc/passwd in the frontend does not exist in a node, add the user to that node (CASE 4)
# if an user in /etc/passwd in the frontend exists in a node but with a different uid, change the uid in the node so that it becomes tally with that in the frontend's.(CASE 2)
# if an user in /etc/passwd in the frontend exists in a node with the the same uid, do nothing. (CASE 3)
# if an user in /etc/passd in the frontend shares a common uid with an user ($usernode) in a node, change the uid of the user $usernode in the node.(CASE 1)


coc-sshreachable
#hosts=$(cat /share/tmp/ssh-reachable.dat)
declare -a hosts=($(cat /share/tmp/ssh-reachable.dat))
#($(cat /etc/hosts | awk 'NF==4 {print $4}' | uniq | sort))
alh=${#hosts[@]}

declare -a username=($(cat /etc/passwd | awk -F":" '{print $1, $3}' | awk '{if($2>=1000 && $2<4000) {print $1}}'))
declare -a uid=($(cat /etc/passwd | awk -F":" '{print $1, $3}' | awk '{if($2>=1000 && $2<4000) {print $2}}'))
alength=${#username[@]}

rm -rf syncusers.dat /share/apps/configrepo/users_data/syncusers.dat

for (( i=1; i<${alength}+1; i++ ));
do
  	#echo 'i=' $i ${username[$i-1]}  ${uid[$i-1]} #${u2[$i-1]}
	echo 0000 ${username[$i-1]}  ${uid[$i-1]} mockpaswd > /share/apps/configrepo/users_data/newuser.dat
	for (( j=1; j<${alh}+1; j++ ));
	do
##################
	echo 'i=' $i ${username[$i-1]}  ${uid[$i-1]} 'j='$j 'host=' ${hosts[$j-1]}
	ssh -oStrictHostKeyChecking=no ${hosts[$j-1]} "sh /share/apps/local/bin/coc-check_user_local" >> /share/apps/configrepo/users_data/syncusers.dat
	cat /share/apps/configrepo/users_data/syncusers.dat | uniq > temp.dat
	mv temp.dat /share/apps/configrepo/users_data/syncusers.dat
	sed -i 's/compute-0-/c/g'  /share/apps/configrepo/users_data/syncusers.dat
	cat /share/apps/configrepo/users_data/syncusers.dat | awk 'END {print}'
	echo ' '
##################
  	done
done

#/share/apps/local/bin/coc-cases