#!/bin/bash

>&2 echo "### Installing cloud-init"
apt -y install cloud-init


>&2 echo "### Configuring cloud-init"

# Package list update on first boot
cat > /etc/cloud/cloud.cfg.d/40_apt_update.cfg <<EOF
package_update: True
EOF

cat > /etc/cloud/cloud.cfg.d/50_ssh_pwauth.cfg <<EOF
ssh_pwauth: True
EOF

# Set default system user
cat > /etc/cloud/cloud.cfg.d/60_def_user.cfg <<EOF
system_info:
   distro: ubuntu
   default_user:
     name: $IMAGE_ADMIN_USERNAME
     lock_passwd: False
     gecos: Administrator
EOF

# Prevent SSH keys from delete on authorized keys reset
# This file must be moved here after first boot: /etc/cloud/cloud.cfg.d/70_ssh_authkeys.cfg
cat > /etc/cloud/70_ssh_authkeys.cfg <<EOF
ssh_deletekeys: False
EOF

# Disable networkd configuration update by cloud-init
cat > /etc/cloud/cloud.cfg.d/80-disable-network-config.cfg <<EOF
network: { config: disabled }
EOF

cat > /etc/cloud/cloud.cfg.d/90_dpkg.cfg <<EOF
# to update this file, run dpkg-reconfigure cloud-init
datasource_list: [ CloudStack, None ]
EOF

cat > /etc/cloud/cloud.cfg.d/95_data_source.cfg <<EOF
datasource:
  CloudStack: {}
  None: {}
datasource_list:
  - CloudStack
EOF

# Do at every boot to reset passwords and SSH authorized keys
cat > /usr/local/bin/ci-update.sh <<EOF
#!/bin/bash
# Allow disk setup on overy module start
rm /var/lib/cloud/instance/sem/config_disk_setup
# Initiate password reset on startup
/usr/bin/cloud-init single --name cc_set_passwords --frequency always
# Initiate ssh keys reset on startup
/usr/bin/cloud-init single --name cc_ssh --frequency always
EOF
chmod +x /usr/local/bin/ci-update.sh