#!/bin/bash

# dib-lint: disable=setu sete setpipefail dibdebugtrace

set -eu
set -o pipefail

OK=/mnt/state/var/lib/rhsm/rhsm.ok

if [ -e $OK ] ; then
    exit 0
fi

opts=
attach_opts=
sat5_opts=
repos="repos --enable rhel-7-server-rpms"
satellite_repo=${REG_SAT_REPO}
if [ -n "${REG_AUTO_ATTACH:-}" ]; then
    opts="$opts --auto-attach"

    if [ -n "${REG_SERVICE_LEVEL:-}" ]; then
        opts="$opts --servicelevel $REG_SERVICE_LEVEL"
    fi

    if [ -n "${REG_RELEASE:-}" ]; then
        opts="$opts --release=$REG_RELEASE"
    fi
else
    if [ -n "${REG_SERVICE_LEVEL:-}" ]; then
        echo "WARNING: REG_SERVICE_LEVEL set without REG_AUTO_ATTACH."
    fi

    if [ -n "${REG_RELEASE:-}" ]; then
        echo "WARNING: REG_RELEASE set without REG_AUTO_ATTACH."
    fi

    if [ -n "${REG_POOL_ID:-}" ]; then
        attach_opts="$attach_opts --pool=$REG_POOL_ID"
    fi
fi

if [ -n "${REG_BASE_URL:-}" ]; then
    opts="$opts --baseurl=$REG_BASE_URL"
fi

if [ -n "${REG_ENVIRONMENT:-}" ]; then
    opts="$opts --env=$REG_ENVIRONMENT"
fi

if [ -n "${REG_FORCE:-}" ]; then
    opts="$opts --force"
    sat5_opts="$sat5_opts --force"
fi

if [ -n "${REG_SERVER_URL:-}" ]; then
    opts="$opts --serverurl=$REG_SERVER_URL"
fi

if [ -n "${REG_ACTIVATION_KEY:-}" ]; then
    opts="$opts --activationkey=$REG_ACTIVATION_KEY"
    sat5_opts="$sat5_opts --activationkey=$REG_ACTIVATION_KEY"

    if [ -z "${REG_ORG:-}" ]; then
        echo "WARNING: REG_ACTIVATION_KEY set without REG_ORG."
    fi
else
    echo "WARNING: Support for registering with a username and password is deprecated."
    echo "Please use activation keys instead.  See the README for more information."
    if [ -n "${REG_PASSWORD:-}" ]; then
        opts="$opts --password $REG_PASSWORD"
    fi

    if [ -n "${REG_USER:-}" ]; then
        opts="$opts --username $REG_USER"
    fi
fi

if [ -n "${REG_MACHINE_NAME:-}" ]; then
    opts="$opts --name $REG_MACHINE_NAME"
    sat5_opts="$sat5_opts --profilename=$REG_MACHINE_NAME"
fi

if [ -n "${REG_ORG:-}" ]; then
    opts="$opts --org=$REG_ORG"
    sat5_opts="$sat5_opts --systemorgid=$REG_ORG"
fi

if [ -n "${REG_REPOS:-}" ]; then
    for repo in $(echo $REG_REPOS | tr ',' '\n'); do
        repos="$repos --enable $repo"
    done
fi

if [ -n "${REG_TYPE:-}" ]; then
    opts="$opts --type=$REG_TYPE"
fi

function detect_satellite_version {
    ping_api=$REG_SAT_URL/katello/api/ping
    if curl -L -k -s -D - -o /dev/null $ping_api | grep "200 OK"; then
        echo Satellite 6 detected at $REG_SAT_URL
        satellite_version=6
    elif curl -L -k -s -D - -o /dev/null $REG_SAT_URL/rhn/Login.do | grep "200 OK"; then
        echo Satellite 5 detected at $REG_SAT_URL
        satellite_version=5
    else
        echo No Satellite detected at $REG_SAT_URL
        exit 1
    fi
}

case "${REG_METHOD:-}" in
    portal)
        subscription-manager register $opts
        if [ -z "${REG_AUTO_ATTACH:-}" -a -z "${REG_ACTIVATION_KEY:-}" ]; then
            subscription-manager attach $attach_opts
        fi
        subscription-manager repos --disable '*'
        subscription-manager $repos
        ;;
    satellite)
        detect_satellite_version
        if [ "$satellite_version" = "6" ]; then
            repos="$repos --enable ${satellite_repo}"
            curl -L -k -O "$REG_SAT_URL/pub/katello-ca-consumer-latest.noarch.rpm"
            rpm -Uvh katello-ca-consumer-latest.noarch.rpm || true
            subscription-manager register $opts
            subscription-manager $repos
            yum install -y katello-agent || true # needed for errata reporting to satellite6
            katello-package-upload
            subscription-manager repos --disable ${satellite_repo}
        else
            pushd /usr/share/rhn/
            curl -k -O $REG_SAT_URL/pub/RHN-ORG-TRUSTED-SSL-CERT
            popd
            rhnreg_ks --serverUrl=$REG_SAT_URL/XMLRPC $sat5_opts
        fi
        ;;
    disable)
        echo "Disabling RHEL registration"
        ;;
    *)
        echo "WARNING: only 'portal', 'satellite', and 'disable' are valid values for REG_METHOD."
        exit 0
esac

mkdir -p $(dirname $OK)
touch $OK