dispatch

#!/bin/bash
# This hook installs the centos dependencies needed to run the charm.

set -e

# Source the os-release information into the env.
. /etc/os-release


if [ ! -f '.installed' ]
then
    # Determine if we are running in centos or ubuntu, if centos
    # provision the needed prereqs.
    if [ $ID = 'centos' ]
    then
        # Determine the centos version and install prereqs accordingly
        major=$(cat /etc/centos-release | tr -dc '0-9.'| cut -d \. -f1)
        if [ $major = "7" ]
        then
            # Install yaml deps
            yum -y install libyaml-devel
            # Install python3 using yum (will install python3.6 on centos7)
            if [ ! -e /usr/bin/python3 ]
            then
                echo "Running centos$major, installing prereqs."
                # Install system python3
                yum -y install epel-release
                yum -y install python3
            fi
            # We need python3.8 to run cluster-agent.
            # Install python3.8 from source.
            if [ ! -e /usr/bin/python3.8 ]
            then
                yum install -y gcc zlib-devel bzip2 bzip2-devel readline-devel \
                sqlite sqlite-devel openssl-devel tk-devel libffi-devel xz-devel wget
                yum groupinstall "Development tools" -y
                /bin/bash ./src/templates/install_python.sh
            fi
        else
            echo "Running unsuppored version of centos: $major"
            exit -1
        fi
    elif [ $ID = 'ubuntu' ]
    then
        # We are running an ubuntu os, so check for python and install the
        # needed venv package or python3 from source, depending on what already
        # exists on the system.
        #
        if [ ! -e /usr/bin/python3.8 ]
        then
            apt-get install -y make build-essential libssl-dev zlib1g-dev \
                               libbz2-dev libreadline-dev libsqlite3-dev wget \
                               curl llvm libncursesw5-dev xz-utils tk-dev \
                               libxml2-dev libxmlsec1-dev libffi-dev liblzma-dev

            /bin/bash ./src/templates/install_python.sh
        else
            if [ ! -e /usr/bin/pip3 ]
            then
                apt-get install -y python3.8-venv
            fi
        fi
    fi
    touch .installed
fi

JUJU_DISPATCH_PATH="${JUJU_DISPATCH_PATH:-$0}" PYTHONPATH=lib:venv ./src/charm.py