Beispiel #1
0
def lxc_net():
    """
    lxc-net (/etc/default/lxc) settings page and actions if form post request
    """
    if session['su'] != 'Yes':
        return abort(403)

    if request.method == 'POST':
        if lxc.running() == []:
            cfg = lwp.get_net_settings()
            ip_regex = '(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?).(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?).(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?).(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)'

            form = {}
            for key in [
                    'bridge', 'address', 'netmask', 'network', 'range', 'max'
            ]:
                form[key] = request.form.get(key, None)
            form['use'] = request.form.get('use', None)

            if form['use'] != cfg['use']:
                lwp.push_net_value('USE_LXC_BRIDGE',
                                   'true' if form['use'] else 'false')

            if form['bridge'] and form['bridge'] != cfg['bridge'] and \
                    re.match('^[a-zA-Z0-9_-]+$', form['bridge']):
                lwp.push_net_value('LXC_BRIDGE', form['bridge'])

            if form['address'] and form['address'] != cfg['address'] and \
                    re.match('^%s$' % ip_regex, form['address']):
                lwp.push_net_value('LXC_ADDR', form['address'])

            if form['netmask'] and form['netmask'] != cfg['netmask'] and \
                    re.match('^%s$' % ip_regex, form['netmask']):
                lwp.push_net_value('LXC_NETMASK', form['netmask'])

            if form['network'] and form['network'] != cfg['network'] and \
                    re.match('^%s(?:/\d{1,2}|)$' % ip_regex, form['network']):
                lwp.push_net_value('LXC_NETWORK', form['network'])

            if form['range'] and form['range'] != cfg['range'] and \
                    re.match('^%s,%s$' % (ip_regex, ip_regex), form['range']):
                lwp.push_net_value('LXC_DHCP_RANGE', form['range'])

            if form['max'] and form['max'] != cfg['max'] and \
                    re.match('^(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$', form['max']):
                lwp.push_net_value('LXC_DHCP_MAX', form['max'])

            if lwp.net_restart() == 0:
                flash(u'LXC Network settings applied successfully!', 'success')
            else:
                flash(u'Failed to restart LXC networking.', 'error')
        else:
            flash(u'Stop all containers before restart lxc-net.', 'warning')
    return render_template('lxc-net.html',
                           containers=lxc.ls(),
                           cfg=lwp.get_net_settings(),
                           running=lxc.running())
Beispiel #2
0
def lxc_net():
    """
    lxc-net (/etc/default/lxc) settings page and actions if form post request
    """
    if session["su"] != "Yes":
        return abort(403)

    if request.method == "POST":
        if lxc.running() == []:
            cfg = lwp.get_net_settings()
            ip_regex = "(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?).(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?).(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?).(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)"

            form = {}
            for key in ["bridge", "address", "netmask", "network", "range", "max"]:
                form[key] = request.form.get(key, None)
            form["use"] = request.form.get("use", None)

            if form["use"] != cfg["use"]:
                lwp.push_net_value("USE_LXC_BRIDGE", "true" if form["use"] else "false")

            if form["bridge"] and form["bridge"] != cfg["bridge"] and re.match("^[a-zA-Z0-9_-]+$", form["bridge"]):
                lwp.push_net_value("LXC_BRIDGE", form["bridge"])

            if form["address"] and form["address"] != cfg["address"] and re.match("^%s$" % ip_regex, form["address"]):
                lwp.push_net_value("LXC_ADDR", form["address"])

            if form["netmask"] and form["netmask"] != cfg["netmask"] and re.match("^%s$" % ip_regex, form["netmask"]):
                lwp.push_net_value("LXC_NETMASK", form["netmask"])

            if (
                form["network"]
                and form["network"] != cfg["network"]
                and re.match("^%s(?:/\d{1,2}|)$" % ip_regex, form["network"])
            ):
                lwp.push_net_value("LXC_NETWORK", form["network"])

            if (
                form["range"]
                and form["range"] != cfg["range"]
                and re.match("^%s,%s$" % (ip_regex, ip_regex), form["range"])
            ):
                lwp.push_net_value("LXC_DHCP_RANGE", form["range"])

            if (
                form["max"]
                and form["max"] != cfg["max"]
                and re.match("^(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$", form["max"])
            ):
                lwp.push_net_value("LXC_DHCP_MAX", form["max"])

            if lwp.net_restart() == 0:
                flash(u"LXC Network settings applied successfully!", "success")
            else:
                flash(u"Failed to restart LXC networking.", "error")
        else:
            flash(u"Stop all containers before restart lxc-net.", "warning")
    return render_template("lxc-net.html", containers=lxc.ls(), cfg=lwp.get_net_settings(), running=lxc.running())
Beispiel #3
0
def refresh_memory_containers(name=None):
    if name == 'containers':
        containers_running = lxc.running()
        containers = []
        for container in containers_running:
            container = container.replace(' (auto)', '')
            containers.append({'name': container, 'memusg': lwp.memory_usage(container),
                               'settings': lwp.get_container_settings(container)})
        return jsonify(data=containers)
    elif name == 'host':
        return jsonify(lwp.host_memory_usage())
    return jsonify({'memusg': lwp.memory_usage(name)})
Beispiel #4
0
def lxc_net():
    """
    lxc-net (/etc/default/lxc) settings page and actions if form post request
    """
    if session['su'] != 'Yes':
        return abort(403)

    if request.method == 'POST':
        if lxc.running() == []:
            cfg = lwp.get_net_settings()
            ip_regex = '(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?).(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?).(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?).(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)'

            form = {}
            for key in ['bridge', 'address', 'netmask', 'network', 'range', 'max']:
                form[key] = request.form.get(key, None)
            form['use'] = request.form.get('use', None)

            if form['use'] != cfg['use']:
                lwp.push_net_value('USE_LXC_BRIDGE', 'true' if form['use'] else 'false')

            if form['bridge'] and form['bridge'] != cfg['bridge'] and \
                    re.match('^[a-zA-Z0-9_-]+$', form['bridge']):
                lwp.push_net_value('LXC_BRIDGE', form['bridge'])

            if form['address'] and form['address'] != cfg['address'] and \
                    re.match('^%s$' % ip_regex, form['address']):
                lwp.push_net_value('LXC_ADDR', form['address'])

            if form['netmask'] and form['netmask'] != cfg['netmask'] and \
                    re.match('^%s$' % ip_regex, form['netmask']):
                lwp.push_net_value('LXC_NETMASK', form['netmask'])

            if form['network'] and form['network'] != cfg['network'] and \
                    re.match('^%s(?:/\d{1,2}|)$' % ip_regex, form['network']):
                lwp.push_net_value('LXC_NETWORK', form['network'])

            if form['range'] and form['range'] != cfg['range'] and \
                    re.match('^%s,%s$' % (ip_regex, ip_regex), form['range']):
                lwp.push_net_value('LXC_DHCP_RANGE', form['range'])

            if form['max'] and form['max'] != cfg['max'] and \
                    re.match('^(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$', form['max']):
                lwp.push_net_value('LXC_DHCP_MAX', form['max'])

            if lwp.net_restart() == 0:
                flash(u'LXC Network settings applied successfully!', 'success')
            else:
                flash(u'Failed to restart LXC networking.', 'error')
        else:
            flash(u'Stop all containers before restart lxc-net.', 'warning')
    return render_template('lxc-net.html', containers=lxc.ls(), cfg=lwp.get_net_settings(), running=lxc.running())
Beispiel #5
0
    def lxc_net(self):
        """
        lxc-net (/etc/default/lxc) settings page and actions if form post
        request.
        """
        # TODO: do this with pyramid permissions
        if not self.request.user.is_superuser:
            raise HTTPForbidden()

        cfg = get_net_settings()
        form = NetworkSetupForm(self.request.POST, **cfg)

        if self.request.method == 'POST':
            if form.validate():
                if not lxc.running():
                    # loop over fields, save only the fields that have changed
                    settings_changed = False
                    for field_name, field in form._fields.items():
                        if field.data != cfg[field_name]:
                            settings_changed = True
                            push_net_value(NetworkSetupForm.LXC_NETWORK_OPTION[field_name], field.data)
                            self.session.flash('{} updated'.format(field.label.text), queue='success')

                    # only restart networking if a setting has changed
                    if settings_changed:
                        if net_restart() == 0:
                            self.session.flash('LXC Network settings applied successfully', queue='success')
                        else:
                            self.session.flash('Failed to restart LXC networking', queue='error')

                        # re-read network configuration to be coherent
                        cfg = get_net_settings()
                        form = NetworkSetupForm(self.request.POST, **cfg)
                else:
                    self.session.flash('Stop all containers before restarting lxc-net', queue='warning')

        return {'form': form, 'cfg': cfg, 'running': lxc.running()}
Beispiel #6
0
 def refresh_memory(self):
     name = self.request.matchdict['name']
     if name == 'containers':
         containers_running = lxc.running()
         containers = []
         for container in containers_running:
             container = container.replace(' (auto)', '')
             containers.append({
                 'name': container,
                 'memory_usage': memory_usage(container),
                 'settings': get_container_settings(container)
             })
         return containers
     elif name == 'host':
         return host_memory_usage()
     return {'memory_usage': memory_usage(name)}
Beispiel #7
0
def refresh_memory_containers(name=None):
    if name == "containers":
        containers_running = lxc.running()
        containers = []
        for container in containers_running:
            container = container.replace(" (auto)", "")
            containers.append(
                {
                    "name": container,
                    "memusg": lwp.memory_usage(container),
                    "settings": lwp.get_container_settings(container),
                }
            )
        return jsonify(data=containers)
    elif name == "host":
        return jsonify(lwp.host_memory_usage())
    return jsonify({"memusg": lwp.memory_usage(name)})