def refresh_disk_containers(name=None):
if 'logged_in' in session:
if name == 'containers':
containers_running = lxc.running()
containers = []
for container in containers_running:
container = container.replace(' (auto)', '')
containers.append({
'name': container,
'diskusg': lwp.get_filesystem_usage(container),
})
return jsonify(data=containers)
elif name == 'host':
return jsonify(lwp.host_disk_usage())
return jsonify({
'diskusg': lwp.get_filesystem_usage(name),
})
def edit(container=None):
'''
edit containers page and actions if form post request
'''
if 'logged_in' in session:
host_memory = lwp.host_memory_usage()
info = lxc.info(container)
if request.method == 'POST':
cfg = lwp.get_container_settings(container)
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]?)(/(3[0-2]|[12]?[0-9]))?'
form = {}
form['type'] = request.form['type']
form['link'] = request.form['link']
try:
form['flags'] = request.form['flags']
except KeyError:
form['flags'] = 'down'
form['hwaddr'] = request.form['hwaddress']
form['rootfs'] = request.form['rootfs']
form['utsname'] = request.form['hostname']
form['ipv4'] = request.form['ipaddress']
form['memlimit'] = request.form['memlimit']
form['swlimit'] = request.form['swlimit']
form['cpus'] = request.form['cpus']
form['shares'] = request.form['cpushares']
try:
form['autostart'] = request.form['autostart']
except KeyError:
form['autostart'] = False
form['priority'] = request.form['priority']
if form['priority'].isdigit():
form['priority'] = int(form['priority'])
else:
form['priority'] = ''
if form['utsname'] != cfg['utsname'] and re.match('(?!^containers$)|^(([a-zA-Z0-9]|[a-zA-Z0-9][a-zA-Z0-9\-]*[a-zA-Z0-9])\.)*([A-Za-z0-9]|[A-Za-z0-9][A-Za-z0-9\-]*[A-Za-z0-9])$', form['utsname']):
lwp.push_config_value('lxc.utsname', form['utsname'], container=container)
flash(u'Hostname updated for %s!' % container, 'success')
if form['flags'] != cfg['flags'] and re.match('^(up|down)$', form['flags']):
lwp.push_config_value('lxc.network.flags', form['flags'], container=container)
flash(u'Network flag updated for %s!' % container, 'success')
if form['type'] != cfg['type'] and re.match('^\w+$', form['type']):
lwp.push_config_value('lxc.network.type', form['type'], container=container)
flash(u'Link type updated for %s!' % container, 'success')
if form['link'] != cfg['link'] and re.match('^[\w\d]+$', form['link']):
lwp.push_config_value('lxc.network.link', form['link'], container=container)
flash(u'Link name updated for %s!' % container, 'success')
if form['hwaddr'] != cfg['hwaddr'] and re.match('^([a-fA-F0-9]{2}[:|\-]?){6}$', form['hwaddr']):
lwp.push_config_value('lxc.network.hwaddr', form['hwaddr'], container=container)
flash(u'Hardware address updated for %s!' % container, 'success')
if ( not form['ipv4'] and form['ipv4'] != cfg['ipv4'] ) or ( form['ipv4'] != cfg['ipv4'] and re.match('^%s$' % ip_regex, form['ipv4']) ):
lwp.push_config_value('lxc.network.ipv4', form['ipv4'], container=container)
flash(u'IP address updated for %s!' % container, 'success')
if form['memlimit'] != cfg['memlimit'] and form['memlimit'].isdigit() and int(form['memlimit']) <= int(host_memory['total']):
if int(form['memlimit']) == int(host_memory['total']):
form['memlimit'] = ''
if form['memlimit'] != cfg['memlimit']:
lwp.push_config_value('lxc.cgroup.memory.limit_in_bytes', form['memlimit'], container=container)
if info["state"].lower() != "stopped":
lxc.cgroup(container, 'lxc.cgroup.memory.limit_in_bytes', int(form['memlimit'])*1024*1024)
flash(u'Memory limit updated for %s!' % container, 'success')
if form['swlimit'] != cfg['swlimit'] and form['swlimit'].isdigit() and int(form['swlimit']) <= int(host_memory['total'] * 2):
if int(form['swlimit']) == int(host_memory['total'] * 2):
form['swlimit'] = ''
if form['swlimit'].isdigit(): form['swlimit'] = int(form['swlimit'])
if form['memlimit'].isdigit(): form['memlimit'] = int(form['memlimit'])
if ( form['memlimit'] == '' and form['swlimit'] != '' ) or ( form['memlimit'] > form['swlimit'] and form['swlimit'] != '' ):
flash(u'Can\'t assign swap memory lower than the memory limit', 'warning')
elif form['swlimit'] != cfg['swlimit'] and form['memlimit'] <= form['swlimit']:
lwp.push_config_value('lxc.cgroup.memory.memsw.limit_in_bytes', form['swlimit'], container=container)
if info["state"].lower() != "stopped":
lxc.cgroup(container, 'lxc.cgroup.memory.memsw.limit_in_bytes', int(form['swlimit'])*1024*1024)
flash(u'Swap limit updated for %s!' % container, 'success')
if ( not form['cpus'] and form['cpus'] != cfg['cpus'] ) or ( form['cpus'] != cfg['cpus'] and re.match('^[0-9,-]+$', form['cpus']) ):
lwp.push_config_value('lxc.cgroup.cpuset.cpus', form['cpus'], container=container)
if info["state"].lower() != "stopped":
lxc.cgroup(container, 'lxc.cgroup.cpuset.cpus', form['cpus'])
flash(u'CPUs updated for %s!' % container, 'success')
if ( not form['shares'] and form['shares'] != cfg['shares'] ) or ( form['shares'] != cfg['shares'] and re.match('^[0-9]+$', form['shares']) ):
lwp.push_config_value('lxc.cgroup.cpu.shares', form['shares'], container=container)
if info["state"].lower() != "stopped":
lxc.cgroup(container, 'lxc.cgroup.cpu.shares', form['shares'])
flash(u'CPU shares updated for %s!' % container, 'success')
if form['rootfs'] != cfg['rootfs'] and re.match('^[a-zA-Z0-9_/\-]+', form['rootfs']):
lwp.push_config_value('lxc.rootfs', form['rootfs'], container=container)
flash(u'Rootfs updated!' % container, 'success')
auto = lwp.ls_auto()
if form['autostart'] == 'True' and (not container in auto or auto[container] != form['priority']):
try:
if container in auto and auto[container]:
old_conf = '/etc/lxc/auto/%06d-%s.conf' % (auto[container], container,)
if os.path.exists(old_conf):
os.remove(old_conf)
flash(u'Autostart for %s: old priority dropped' % container, 'success')
else:
old_conf = '/etc/lxc/auto/%s.conf' % (container,)
if os.path.exists(old_conf):
os.remove(old_conf)
flash(u'Autostart for %s: default priority dropped' % container, 'success')
if form['priority']:
new_conf = '/etc/lxc/auto/%06d-%s.conf' % (form['priority'], container, )
flash(u'Autostart for %s: set new priority' % container, 'success')
else:
new_conf = '/etc/lxc/auto/%s.conf' % (container,)
os.symlink('/var/lib/lxc/%s/config' % container, new_conf)
flash(u'Autostart enabled for %s' % container, 'success')
except OSError:
flash(u'Unable to create symlink \'/etc/lxc/auto/%s.conf\'' % container, 'error')
elif not form['autostart'] and container in auto:
try:
if auto[container]:
old_conf = '/etc/lxc/auto/%06d-%s.conf' % (auto[container], container, )
else:
old_conf = '/etc/lxc/auto/%s.conf' % (container, )
os.remove(old_conf)
flash(u'Autostart disabled for %s' % container, 'success')
except OSError:
flash(u'Unable to remove symlink', 'error')
info = lxc.info(container)
status = info['state']
pid = info['pid']
infos = {
'status': status,
'pid': pid,
'memusg': lwp.memory_usage(container),
'cpu': lwp.container_cpu_percent(container),
'max_memusg': lwp.max_memory_usage(container),
'diskusg': lwp.get_filesystem_usage(container)
}
settings = lwp.get_container_settings(container)
settings["ipv4_hint"] = 'Undefined'
if settings["ipv4_real"]:
settings["ipv4_hint"] = settings["ipv4"]
settings["ipv4"] = ''
# Align value to slider step
host_memory["total"] -= host_memory["total"] % 2
return render_template('edit.html',
containers=lxc.ls(),
container=container,
infos=infos,
settings=settings,
host_memory=host_memory)
return render_template('login.html')
