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())
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())
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)})
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())
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()}
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)}
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)})
