File: helper-functions

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chrony 4.8-2
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__cleanup() {
    [ -f /etc/default/chrony.bak ] && mv /etc/default/chrony.bak /etc/default/chrony
    rm -rf /etc/systemd/system/chrony.service.d
    systemctl daemon-reload
    systemctl --quiet restart chrony.service
}

__no_system_clock_control() {
    printf "[Unit]\nConditionVirtualization=\n" | systemctl edit --stdin --drop-in=10-container chrony.service 2>/dev/null
    if ! dpkg-vendor --derives-from Ubuntu; then
        cp /etc/default/chrony /etc/default/chrony.bak
        sed -i '/^DAEMON_OPTS=/s/"\(.*\)"/"\1 -x"/' /etc/default/chrony
        printf "[Unit]\nConditionCapability=\n" | systemctl edit --stdin chrony.service 2>/dev/null
    fi
}

__test_fail() {
    printf 'FAIL\n' >&2
    return 1
}

__test_ok() {
    printf 'OK\n'
    return 0
}

__test_skip() {
    [ -n "$1" ] && printf 'SKIP: (%s)\n' "$1" || printf 'SKIP\n'
    exit 77
}

__reload_sources() {
    chronyc reload sources > /dev/null 2>&1 && __test_ok || __test_fail
}

__restart_chronyd() {
    systemctl --quiet restart chrony.service
    rc=$?
    sleep 3
    return $rc
}

__check_sources() {
    chronyc sources | grep -q "$1" && __test_ok || __test_fail
}

__check_auth() {
    chronyc -c authdata | grep -q "$1" && __test_ok || __test_fail
}

# Ubuntu's default config is fully populated causing issues with the test
# If any of those tests run on Ubuntu, clear some and restart the daemon
# to pick this up before entering the tests.
if grep -q "^pool.*ubuntu.pool.ntp.org" /etc/chrony/chrony.conf; then
    sudo sed -i -e '/^pool.*ubuntu.pool.ntp.org/d' /etc/chrony/chrony.conf
    __restart_chronyd
fi