#!/bin/bash -e
set -x

# Get pip3
sudo apt-get update
sudo apt-get install -y python3-pip

# Get, build, and install cloud-init master branch from source
curl -Lo cloud-init-master.zip https://github.com/cloud-init/cloud-init/archive/master.zip
unzip cloud-init-master.zip
cd cloud-init-master
sudo pip3 install -r requirements.txt 
sudo python3 setup.py build
sudo python3 setup.py install --init-system systemd
sudo ln -s /usr/local/bin/cloud-init /usr/bin/cloud-init
sudo cloud-init init --local
sudo cloud-init status

# Activate systemd services
for svc in cloud-init-local.service cloud-init.service cloud-config.service cloud-final.service; do
  sudo systemctl enable $svc
  sudo systemctl start  $svc
done

# Configure cloud-init Datasource NoCloud
# See: http://cloudinit.readthedocs.io/en/17.2/topics/datasources/nocloud.html?highlight=nocloud
if grep -q ds=nocloud /boot/cmdline.txt; then
    sudo sed -i '${s?$? ds=nocloud;seedfrom=/boot/;instance-id=iid-raspberrypi-nocloud?}' /boot/cmdline.txt
fi

# Create meta-data
cat | sudo tee /boot/meta-data > /dev/null <<'EOF'
instance-id: iid-raspberrypi-nocloud

EOF

# Create user-data
cat | sudo tee /boot/user-data > /dev/null <<'EOF'
#cloud-config
password: passw0rd
chpasswd: { expire: True }

EOF

# Create a script to run per boot
cat | sudo tee /var/lib/cloud/scripts/per-boot/00_run-parts.sh > /dev/null <<'EOF'
#!/bin/bash

# Prevent *.sh from returning itself if there are no matches
shopt -s nullglob

# Run every per-once script
run-parts --regex '.*\.sh$' /boot/per-once

# Rename every per-once script
for f in /boot/per-once/*.sh; do
    mv $f $(dirname $f)/$(basename $f .sh).$(date +%F@%H.%M.%S)
done

# Run every per-boot script
run-parts --regex '.*\.sh$' /boot/per-boot

EOF
sudo chmod +x /var/lib/cloud/scripts/per-boot/00_run-parts.sh

# Create sample per-boot and per-once scripts
sudo mkdir -p /boot/{per-boot,per-once}
cat | sudo tee /boot/per-boot/01_get_ready.sh \
               /boot/per-boot/02_do_it.sh \
               /boot/per-once/01_prepare.sh \
               /boot/per-once/02_install_stuff.sh > /dev/null <<'EOF'
#!/bin/bash

date="$(date +"%x %X")"
script_path="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
script_name="$(basename ${BASH_SOURCE[0]} .sh)"
log_name="$(basename $script_path)"

echo "$date - $script_name" >> /home/pi/${log_name}.out

EOF

# vim: et sw=4 ts=4 sts=4 syntax=sh