ssh $node << 'EOF'
echo "address $node/24"

ssh $node << 'EOF'
echo "address $node/24" | sudo tee -a /etc/network/interfaces

for node in 10.1.133.47 10.1.133.48
do
echo $node
ssh $node << 'EOF'
...
echo "address $node/24" | sudo tee -a /etc/network/interfaces
...
EOF

| tee...

[14:23:18]alukardd@alex:~$ cat <<'EOF'
> x is $x
> EOF     
x is $x
[14:23:25]alukardd@alex:~$ cat <<EOF 
x is $x
EOF       
x is 1

In ./nodedeploy.sh line 6:
ssh $node << EOF
             ^-^ SC2087: Quote 'EOF' to make here document expansions happen on the server side rather than on the client.

For more information:
  https://www.shellcheck.net/wiki/SC2087 -- Quote 'EOF' to make here document...