Copy public key to multiple servers

hosts-passwords.txt

1.2.3.4	secret-pass
123.14.144.42	another-pass

ssh-copy-id-multiple.sh

#!/bin/bash

# Usage: ssh-copy-multiple.sh file_with_hosts.txt key_1.pub key_2.pub .. key_n.pub

filename=$1
keys=${@:2:10}

echo "reading file: ${filename}"

while read line; do
	read server password <<< $line

	## deleting server from known hosts	
	if grep $server ~/.ssh/known_hosts;
	then 
		echo "$server found in known hosts, deleting...";
		ssh-keygen -R $server
	else 
		echo "$server not found in known hosts..."
	fi

	for key_path in $keys; do
		echo "uploading key: $key_path"
		
		if [[ ! -z $password ]]
		then 
			echo "password is not empty, trying to upload key via password..."
			sshpass -p $password \
				ssh-copy-id -f -i $key_path -o StrictHostKeyChecking=no root@$server 2>/dev/null
		else 
			ssh-copy-id -f -i $key_path -o StrictHostKeyChecking=no root@$server 2>/dev/null
		fi
	done;

done < $filename