def edit(container=None):
"""
edit containers page and actions if form post request
"""
host_memory = lwp.host_memory_usage()
cfg = lwp.get_container_settings(container)
if request.method == 'POST':
form = request.form.copy()
if form['bucket'] != get_bucket_token(container):
g.db.execute(
"INSERT INTO machine(machine_name, bucket_token) VALUES (?, ?)",
[container, form['bucket']])
g.db.commit()
flash(u'Bucket config for %s saved' % container, 'success')
# convert boolean in correct value for lxc, if checkbox is inset value is not submitted inside POST
form['flags'] = 'up' if 'flags' in form else 'down'
form['start_auto'] = '1' if 'start_auto' in form else '0'
# if memlimits/memswlimit is at max values unset form values
if int(form['memlimit']) == host_memory['total']:
form['memlimit'] = ''
if int(form['swlimit']) == host_memory['total'] * 2:
form['swlimit'] = ''
for option in form.keys():
# if the key is supported AND is different
if option in cfg.keys() and form[option] != cfg[option]:
# validate value with regex
if re.match(cgroup_ext[option][1], form[option]):
lwp.push_config_value(cgroup_ext[option][0],
form[option],
container=container)
flash(cgroup_ext[option][2], 'success')
else:
flash(
'Cannot validate value for option {}. Unsaved!'.format(
option), 'error')
# we should re-read container configuration now to be coherent with the newly saved values
cfg = lwp.get_container_settings(container)
info = lxc.info(container)
infos = {
'status': info['state'],
'pid': info['pid'],
'memusg': lwp.memory_usage(container)
}
return render_template('edit.html',
containers=lxc.ls(),
container=container,
infos=infos,
settings=cfg,
host_memory=host_memory,
storage_repos=storage_repos)
def edit(container=None):
"""
edit containers page and actions if form post request
"""
host_memory = lwp.host_memory_usage()
cfg = lwp.get_container_settings(container)
if request.method == "POST":
form = request.form.copy()
if form["bucket"] != get_bucket_token(container):
g.db.execute("INSERT INTO machine(machine_name, bucket_token) VALUES (?, ?)", [container, form["bucket"]])
g.db.commit()
flash(u"Bucket config for %s saved" % container, "success")
# convert boolean in correct value for lxc, if checkbox is inset value is not submitted inside POST
form["flags"] = "up" if "flags" in form else "down"
form["start_auto"] = "1" if "start_auto" in form else "0"
# if memlimits/memswlimit is at max values unset form values
if int(form["memlimit"]) == host_memory["total"]:
form["memlimit"] = ""
if int(form["swlimit"]) == host_memory["total"] * 2:
form["swlimit"] = ""
for option in form.keys():
# if the key is supported AND is different
if option in cfg.keys() and form[option] != cfg[option]:
# validate value with regex
if re.match(cgroup_ext[option][1], form[option]):
lwp.push_config_value(cgroup_ext[option][0], form[option], container=container)
flash(cgroup_ext[option][2], "success")
else:
flash("Cannot validate value for option {}. Unsaved!".format(option), "error")
# we should re-read container configuration now to be coherent with the newly saved values
cfg = lwp.get_container_settings(container)
info = lxc.info(container)
infos = {"status": info["state"], "pid": info["pid"], "memusg": lwp.memory_usage(container)}
# prepare a regex dict from cgroups_ext definition
regex = {}
for k, v in cgroup_ext.items():
regex[k] = v[1]
return render_template(
"edit.html",
containers=lxc.ls(),
container=container,
infos=infos,
settings=cfg,
host_memory=host_memory,
storage_repos=storage_repos,
regex=regex,
clonable_containers=lxc.listx()["STOPPED"],
)
def edit(container=None):
"""
edit containers page and actions if form post request
"""
host_memory = lwp.host_memory_usage()
cfg = lwp.get_container_settings(container)
if request.method == 'POST':
form = request.form.copy()
if form['bucket'] != get_bucket_token(container):
g.db.execute("INSERT INTO machine(machine_name, bucket_token) VALUES (?, ?)", [container, form['bucket']])
g.db.commit()
flash(u'Bucket config for %s saved' % container, 'success')
# convert boolean in correct value for lxc, if checkbox is inset value is not submitted inside POST
form['flags'] = 'up' if 'flags' in form else 'down'
form['start_auto'] = '1' if 'start_auto' in form else '0'
# if memlimits/memswlimit is at max values unset form values
if int(form['memlimit']) == host_memory['total']:
form['memlimit'] = ''
if int(form['swlimit']) == host_memory['total'] * 2:
form['swlimit'] = ''
for option in form.keys():
# if the key is supported AND is different
if option in cfg.keys() and form[option] != cfg[option]:
# validate value with regex
if re.match(cgroup_ext[option][1], form[option]):
lwp.push_config_value(cgroup_ext[option][0], form[option], container=container)
flash(cgroup_ext[option][2], 'success')
else:
flash('Cannot validate value for option {}. Unsaved!'.format(option), 'error')
# we should re-read container configuration now to be coherent with the newly saved values
cfg = lwp.get_container_settings(container)
info = lxc.info(container)
infos = {'status': info['state'], 'pid': info['pid'], 'memusg': lwp.memory_usage(container)}
# prepare a regex dict from cgroups_ext definition
regex = {}
for k, v in cgroup_ext.items():
regex[k] = v[1]
return render_template('edit.html', containers=lxc.ls(), container=container, infos=infos,
settings=cfg, host_memory=host_memory, storage_repos=storage_repos, regex=regex,
clonable_containers=lxc.listx()['STOPPED'])
def get_container(name):
return jsonify(lxc.info(name))
def get_container(name):
return jsonify(lxc.info(name))
def edit_container(self):
"""
edit containers page and actions if form post request
"""
container = self.request.matchdict['container']
cfg = get_container_settings(container)
form = EditContainerForm(self.request.POST, container=container, **strip_empty_fields(cfg))
if self.request.method == 'POST':
if form.validate():
# when memory sliders are at maximum, unset them
if form.memlimit.data == TOTAL_HOST_MEMORY:
form.memlimit.data = ''
if form.swlimit.data == TOTAL_HOST_MEMORY * 2:
form.swlimit.data = ''
for field_name, field in form._fields.items():
# nothing changed, one is None, the other an empty string
# this happens with IntegerField + Optional() validator
if field.data is None and cfg[field_name] == '':
continue
# a field has changed, something needs to be saved
if field.data != cfg[field_name]:
if field_name == 'bucket':
machine = Machine.objects.get(name=container)
if machine:
# update bucket token
machine.bucket_token = field.data
machine.save()
else:
# create new record in machine table
Machine.objects.create(name=container, bucket_token=field.data)
self.session.flash('Bucket config for {} saved'.format(container), queue='success')
else:
# convert to lxc config values
if field_name == 'flags':
value = 'up' if field.data else 'down'
elif field_name == 'start_auto':
value = '1' if form.start_auto.data else '0'
else:
value = field.data
push_config_value(CGROUP_EXT[field_name][0], value, container=container)
self.session.flash(CGROUP_EXT[field_name][1], queue='success')
# re-read container configuration now to be coherent
cfg = get_container_settings(container)
form = EditContainerForm(container=container, **strip_empty_fields(cfg))
info = lxc.info(container)
return {
'form': form,
'container': container,
'infos': {
'status': info['state'],
'pid': info['pid'],
'memory_usage': memory_usage(container)
},
'settings': cfg,
'host_memory': TOTAL_HOST_MEMORY,
'storage_repos': self.settings['storage_repos']
}
def container_detail(self):
"""
Returns the info for a given container.
"""
return lxc.info(self.request.matchdict["container"])
