customize

#!/usr/bin/bash
#
# Put customizations to your image in this file.

MUNSTRAP_VERSION="master"
MUNIN_MASTER_ADMIN_VERSION=0.8

# Munin plugins
MUNIN_PLUGINS="
	munin_status
"

# Custom versions and variables
PATH=/opt/local/gnu/bin:/opt/local/bin:/opt/local/sbin:/usr/bin:/usr/sbin

# Exit if any commands fail
set -o errexit

# Configuring image specific packages
echo "* Configuring image specific packages."

echo "* Use default python 3.12"
pkg_alternatives manual python312

echo "* Cleanup /var/munin in order to set the dataset mountpoint (must be empty)"
rm -r /var/munin/*

echo "* Download and extract munstrap to /opt/local/etc/munin/munstrap"
mkdir -p /opt/local/etc/munin/munstrap
curl -L "https://github.com/drscream/munstrap/archive/${MUNSTRAP_VERSION}.tar.gz" | gtar xz -C /opt/local/etc/munin/munstrap --strip-components=1

echo "* Rename original template and create symlinks to activate munstrap"
(
  cd /opt/local/etc/munin
  mv static static-orig
  mv templates templates-orig
  ln -s munstrap/static static
  ln -s munstrap/templates templates
)

echo "* Download and extract munin_master_admin to /opt/munin_master_admin"
mkdir -p /opt/munin_master_admin
curl -L "https://github.com/drscream/munin_master_admin/archive/v${MUNIN_MASTER_ADMIN_VERSION}.tar.gz" | gtar xz -C /opt/munin_master_admin --strip-components=1
chown -R www:www /opt/munin_master_admin

echo "* Install required python packages"
pip install -r /opt/munin_master_admin/requirements.txt
pip install pygtail

echo "* Create nginx ssl folder"
mkdir -p /opt/local/etc/nginx/ssl

echo "* Activate munin plugins"
/opt/core/bin/munin-node-plugins ${MUNIN_PLUGINS}

echo "* Cleanup home/admin because of delegate dataset usage"
rm -rf /home/admin/.[^.]*

# Clean up
echo "* Cleaning up."
rm -rf /root/*

# Prepare image for provisioning
sm-prepare-image -y