mtps-module-test

#!/usr/bin/bash -efu

# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
#
# See LICENSE for more details.
#
# Copyright: Red Hat Inc. 2019, 2023
# Author: Andrei Stepanov <astepano@redhat.com>


PROG="${PROG:-${0##*/}}"

# Source `mtps-setup' from $PATH
if command -v "mtps-setup" >/dev/null; then source "mtps-setup"; fi
# If previous fails source `mtps-setup` from this script dir
if [ -z "${YUMDNFCMD:-}" ]; then source "$(dirname "${BASH_SOURCE[0]}")/mtps-setup" || ( echo "Cannot source mtps-setup" >&2; exit 91 ); fi

box_out() {
    local s=("$@")
    local b=
    local w=
    for l in "${s[@]}"; do
        ((w<${#l})) && { b="$l"; w="${#l}"; }
    done
    echo -e " -${b//?/-}-\n| ${b//?/ } |"
    for l in "${s[@]}"; do
        printf '| %*s |\n' "-$w" "$l"
    done
    echo -e "| ${b//?/ } |\n-${b//?/-}-"
}

msg_prepare() {
    local action="$1" && shift
    local nsvc="$1" && shift
    box_out \
        "  Prepare for $action $nsvc "
}

msg_run() {
    local action="$1" && shift
    local nsvc="$1" && shift
    box_out \
        "  Run $action test for $nsvc "
}

msg_usage() {
    cat << EOF
Usage:
$PROG <options>

Options:
-t, --test=TYPE                              one of: install, update, downgrade, remove
-n, --nsvc=NSVC                              module to test: name:stream:version:context
-p, --profile=PROFILE                        module profile
-h, --help                                   display this help and exit
EOF
}

# http://wiki.bash-hackers.org/howto/getopts_tutorial
opt_str="$@"
opt=$(getopt -n "$0" --options "hvs:t:n:p:" --longoptions "help,verbose,start:,profile:,test:,nsvc:" -- "$@")
eval set -- "$opt"
while [[ $# -gt 0 ]]; do
    case "$1" in
        -t|--test)
            TEST="$2"
            shift 2
            ;;
        -n|--nsvc)
            NSVC="$2"
            shift 2
            ;;
        -p|--profile)
            PROFILE="$2"
            shift 2
            ;;
        -v|--verbose)
            DEBUG="yes"
            shift
            ;;
        -h|--help)
            msg_usage
            exit 0
            ;;
        --)
            shift
            ;;
        *)
            msg_usage
            exit 1
    esac
done

# Entry

DEBUG="${DEBUG:-}"
TEST="${TEST:-}"
NSVC="${NSVC:-}"
PROFILE="${PROFILE:-}"

debug "TEST: $TEST"
debug "NSVC: $NSVC"
debug "PROFILE: $PROFILE"

# Test correct invocation
if [ -z "$NSVC" ] || ! [[ "$TEST" == "install" || "$TEST" == "remove" ]]; then
  echo "Use: $PROG -h for help."
  exit
fi

p_remove() {
    local nsvc="$1" && shift
    local profile="$1" && shift
    if ! "$YUMDNFCMD" module info "$nsvc" 2>/dev/null | grep -q -E "^Profiles[[:space:]]*:.*${profile}[^,]*\[i\]"; then
        echo "Profile is not installed."
        return
    fi
    "$YUMDNFCMD" -y module remove "$nsvc"
}

p_install() {
    local nsvc="$1" && shift
    local profile="$1" && shift
    local name="${nsvc%%:*}"
    if "$YUMDNFCMD" module info "$nsvc" 2>/dev/null | grep -q -E "^Profiles[[:space:]]*:.*${profile}[^,]*\[i\]"; then
        echo "Profile is already installed."
        return
    fi
    "$YUMDNFCMD" -y module reset "$nsvc"
    "$YUMDNFCMD" -y module enable "$nsvc"
    "$YUMDNFCMD" -y module install "$nsvc/$profile"
}

case $TEST in
    install)
        msg_prepare "installing" "$NSVC/$PROFILE"
        p_remove "$NSVC" "$PROFILE"
        msg_run "install" "$NSVC/$PROFILE"
        p_install "$NSVC" "$PROFILE"
        ;;
    remove)
        msg_prepare "removing" "$NSVC/$PROFILE"
        p_install "$NSVC" "$PROFILE"
        msg_run "remove" "$NSVC/$PROFILE"
        p_remove "$NSVC" "$PROFILE"
        ;;
    *)
        echo "Use: $PROG -h for help."
        exit
        ;;
esac