up.sh

HOSTS="s0 s1 s2"
CLOUD_CFG=$(cat <<"EOF"
#cloud-config
ssh_pwauth: yes
system_info:
  default_user:
    name: admin
    # Following hash is password "hogehoge"
    passwd: '$6$rounds=4096$aKbowvLi$V6KFRnvPQ8qKpD7/QwKr.JrE8e9cJ8O4cHwnyMNRAmczwR01jBvrJ9JbkXzli4oEua41qvuBz.YH3Ju8akV8B.'
    lock_passwd: false
    primary_group: admin
EOF
)

for HOST in $HOSTS; do
  lxc launch ubuntu:xenial $HOST -c user.user-data="$CLOUD_CFG";
done