#!/bin/bash

# See the description at the help()

set -e

set -x

if [ ! -r /etc/os-release ]; then

    echo "Could not read /etc/os-release - exiting" >&2

    exit 1

fi

source /etc/os-release

SECRETS="False"

REPO_URL=${PRETTY_NAME// /_}

PKG=''

INSTANCE='opensuse'

if [[ $(whoami) != 'root' ]]; then

    if [[ -f /usr/bin/sudo ]]; then

        SUDO='/usr/bin/sudo'

    else

        echo 'Please install sudo first, or run this script as root'

        exit 1

    fi

fi

help() {

    echo "Prepares the CI runner or workstation environment to run highstate or show_highstate tests"

    echo

    echo "Arguments:"

    echo "-p <pkg1,pkg2> Comma-separated list of additional packages to be installed"

    echo "-i <instance>  Choose gitlab instance. Choices: opensuse, suse"

    echo "-o <OS>        OPTIONAL: Specify different OS. Examples: \"Leap,42,3\", \"SLES,12,3\""

    echo "-g             OPTIONAL: Make preparation for show_highstate"

    echo "-s             OPTIONAL: Include secrets files (disabed because CI runner can't decrypt them due to lack of GPG key)"

    echo

}

[[ $1 == '--help' ]] && help && exit

while getopts p:i:o:gsh arg; do

    case ${arg} in

        p) PKG=(${OPTARG//,/ }) ;;

        i) INSTANCE=${OPTARG} ;;

        o) OS=(${OPTARG//,/ }) ;;

        g) HIGHSTATE=1 ;;

        s) SECRETS="True" ;;

        h) help && exit ;;

        *) help && exit 1 ;;

    esac

done

[[ -z "$INSTANCE" ]] && help && exit 1

if [[ "$INSTANCE" == 'opensuse' ]]; then

    DOMAIN='infra.opensuse.org'

    SALT_CLUSTER='opensuse'

    VIRT_CLUSTER='atreju'

fi

if [ -n "${PKG[@]}" ]; then

    $SUDO zypper --gpg-auto-import-keys ref

    $SUDO zypper -qn install --no-recommends ${PKG[@]}

fi

bin/replace_secrets.sh

$SUDO rm -rf /srv/{salt,pillar} 2>/dev/null

$SUDO ln -s $PWD/salt /srv/salt

$SUDO ln -s $PWD/pillar /srv/pillar

ID=$(/usr/bin/hostname -f)

IDFILE="pillar/id/${ID//./_}.sls"

IDFILE_BASE="$IDFILE.base.sls"

printf "grains:\n  city: nuremberg\n  country: de\n  hostusage: test\n  reboot_safe: no\n  salt_cluster: $SALT_CLUSTER\n  virt_cluster: $VIRT_CLUSTER\n" > "$IDFILE"

cp "$IDFILE" "$IDFILE_BASE"

if [[ -n "$HIGHSTATE" ]]; then

    ROLES=$(bin/get_roles.py -o yaml)

    [[ -n "$OS" ]] && OS_GRAINS="osfullname: ${OS[0]}\nosmajorrelease: ${OS[1]}\nosrelease_info: [${OS[1]}, ${OS[2]}]"

    printf "city:\ncountry:\ndomain: $DOMAIN\ninclude_secrets: $SECRETS\n$OS_GRAINS\nsalt_cluster: $SALT_CLUSTER\nvirt_cluster:\nvirtual:\n" > /etc/salt/grains

    printf "$ROLES" >> "$IDFILE"

    if [ ! -d /etc/salt/minion.d ]

    then

	    mkdir /etc/salt/minion.d

    fi

    tee /etc/salt/minion.d/roots.conf <<-EOF

	file_roots:

	  base:

	    - /srv/salt

	    - /usr/share/salt-formulas/states

	EOF

    cp "$IDFILE_BASE" "$IDFILE"

fi