#!/bin/bash -x
# Start loading IIAB. "bash -x" is debug mode

# 1. RUN: "sudo su -" then "raspi-config" to set "Localisation Options"
# 2. OPTIONAL: "passwd pi; touch /boot/ssh; reboot" to ssh in immediately
# 3. RUN THIS SCRIPT: curl download.iiab.io/6.4/rpi/load-big-venvtest-vpn.txt | bash
# 4. REBOOTS AUTOMATICALLY WHEN DONE (about an hour later) which
#    sets the hostname, while improving RTC settings + memory mgmt
# 5. Run "teamviewer help" to get your TeamViewer ID and set a passwd
# 6. Set /etc/iiab/handle if you use openvpn@xscenet

set -e                    # to exit on error (avoids snowballing)

tune2fs -m 1 /dev/mmcblk0p2
# Above changes reserve disk space from ~5% to 1%

export DEBIAN_FRONTEND=noninteractive
apt update
apt -y dist-upgrade
apt -y clean
# Above updates Raspbian for security especially

wget https://download.teamviewer.com/download/linux/teamviewer-host_armhf.deb
set +e                    # do not exit when "dpkg -i" below inevitably fails
dpkg -i teamviewer-host_armhf.deb
set -e
apt -y -f install         # fix dependencies for above/failed "dpkg -i"
rm teamviewer-host_armhf.deb

apt -y install git emacs lynx bc
# Above for Raspbian Lite; USE "apt remove" OR "apt purge" ON UNNEEDED SW LATER

mkdir -p /opt/iiab
cd /opt/iiab/
git clone https://github.com/jvonau/iiab -b python_stack
# git clone https://github.com/iiab/iiab --depth 1
git clone https://github.com/iiab/iiab-admin-console --depth 1
git clone https://github.com/iiab/iiab-menu --depth 1
git clone https://github.com/iiab/iiab-factory --depth 1

# cd /opt/iiab/iiab/scripts/
# ./ansible
# Above compiles & installs Ansible 2.2.0

apt -y install ansible python-kerberos python-selinux python-winrm python-xmltodict sshpass bzip2 file findutils gzip tar unzip zip python-keyczar python-boto python-dnspython python-pyrax python-sphere
# Above installs a more future-proof Ansible 2.2.1+
sed -i 's/StrictVersion/LooseVersion/g' /usr/lib/python2.7/dist-packages/ansible/modules/core/web_infrastructure/htpasswd.py
# ABOVE APPLIES TEMPORARY PATCH https://github.com/ansible/ansible/pull/20202
# needed by munin until Ansible 2.3.2 or 2.4.0, to overcome Ansible bug:
#    TASK [munin : Create admin user] ********************************
#    fatal: [127.0.0.1]: FAILED! => {"changed": false, "failed": true,
#    "msg": "invalid version number '1.7.0.post20170423015547'"}

cd /opt/iiab/iiab/vars/
if [ -f local_vars.yml ]; then
    echo "ERROR: Plz move /opt/iiab/iiab/vars/local_vars.yml to proceed." >&2
    exit 1
elif [ -f local_vars_big_vpn.yml ]; then
    echo "ERROR: Plz move /opt/iiab/iiab/vars/local_vars_big_vpn.yml to proceed." >&2
    exit 1
fi
wget http://download.iiab.io/6.4/rpi/local_vars_big_vpn.yml
mv local_vars_big_vpn.yml local_vars.yml
# Above assumes a virgin RPi system (wget WON'T overwrite existing files)

# In general please examine local_vars.yml carefully (and modify as nec)
# before running Ansible (below, which can take ~2 hours the first time!)

# NOTE: you can change many/most settings after install too, using the
# Admin Console (http://box/admin) as documented at: http://FAQ.IIAB.IO

cd /opt/iiab/iiab/
./runansible
# Try to rerun the above line if it fails?

cd /opt/iiab/iiab-admin-console/
./install

sed -i 's/local\/bin\/ansible/bin\/ansible/g' /opt/admin/cmdsrv/cmdsrv.conf
# ABOVE TEMPORARY FIX FOR ADMIN CONSOLE ON ANSIBLE 2.2.1+ ON RASPBIAN STRETCH:
# Changes /usr/local/bin to /usr/bin (for both Ansible paths) on lines 23 & 24:
# https://github.com/iiab/iiab-admin-console/blob/master/roles/cmdsrv/templates/cmdsrv.conf.j2
# To solve this cleanly, Tim may want to create vars/Raspbian.yml alongside:
# https://github.com/iiab/iiab-admin-console/blob/master/vars/Debian.yml
systemctl restart iiab-cmdsrv.service

cd /opt/iiab/iiab-menu/
./cp-menus

iiab-cmdsrv-ctl GET-KIWIX-CAT
# Refresh Kiwix catalog
iiab-make-kiwix-lib
# Rebuild local library.xml

export KALITE_HOME=/library/ka-lite
/usr/local/kalite/venv/bin/kalite manage generate_zone
# Register with KA Lite
/usr/local/kalite/venv/bin/kalite manage retrievecontentpack download en
# Get KA Lite English language pack (slow download!)

reboot