133 lines
5.1 KiB
Python
133 lines
5.1 KiB
Python
# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import six
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import yaml
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from django.urls import reverse
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from django.utils.translation import ugettext_lazy as _
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from horizon import exceptions
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from horizon import forms
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from horizon import messages
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from horizon.utils.memoized import memoized # noqa: F401
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from senlin_dashboard.api import senlin
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INDEX_URL = "horizon:cluster:clusters:index"
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class CreateForm(forms.SelfHandlingForm):
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name = forms.CharField(max_length=255, label=_("Cluster Name"))
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profile_id = forms.ThemableChoiceField(label=_("Profile"))
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min_size = forms.IntegerField(
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label=_("Min Size"),
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required=False,
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initial=0,
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help_text=_("Min size of the cluster. Default to 0."))
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max_size = forms.IntegerField(
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label=_("Max Size"),
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required=False,
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initial=-1,
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help_text=_("Max size of the cluster. Default to -1, "
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"means unlimited."))
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desired_capacity = forms.IntegerField(
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label=_("Desired Capacity"),
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initial=0,
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help_text=_("Desired capacity of the cluster. Default to 0."))
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# Hide the parent field
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parent = forms.ThemableChoiceField(
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label=_("Parent Cluster"),
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required=False,
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widget=forms.HiddenInput())
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timeout = forms.IntegerField(
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label=_("Timeout"),
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required=False,
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help_text=_("Cluster creation timeout in seconds."))
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metadata = forms.CharField(
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max_length=255,
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label=_("Metadata"),
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required=False,
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help_text=_("YAML formated metadata"),
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widget=forms.Textarea(attrs={'rows': 4}))
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def __init__(self, request, *args, **kwargs):
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super(CreateForm, self).__init__(request, *args, **kwargs)
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profiles = senlin.profile_list(request)[0]
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self.fields['profile_id'].choices = (
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[("", _("Select Profile"))] + [(profile.id, profile.name)
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for profile in profiles])
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def handle(self, request, data):
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try:
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# As we hide the parent field, use None here
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data['parent'] = None
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if not data['metadata']:
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metadata = {}
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else:
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try:
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metadata = yaml.safe_load(data['metadata'])
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except Exception as ex:
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raise Exception(_('The specified metadata is not a valid '
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'YAML format: %s') % six.text_type(ex))
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data['metadata'] = metadata
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cluster = senlin.cluster_create(request, **data)
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msg = _('Creating cluster "%s" successfully') % data['name']
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messages.success(request, msg)
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return cluster
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except Exception as e:
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redirect = reverse(INDEX_URL)
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exceptions.handle(request,
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_("Unable to create cluster: %s") % e,
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redirect=redirect)
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class ManagePoliciesForm(forms.SelfHandlingForm):
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cluster_id = forms.CharField(widget=forms.HiddenInput())
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policies = forms.ThemableChoiceField(label=_("Policies"))
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enabled = forms.BooleanField(
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label=_("Enabled"),
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initial=True,
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required=False,
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help_text=_("Whether the policy should be enabled once attached. "
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"Default to enabled."))
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def __init__(self, request, *args, **kwargs):
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super(ManagePoliciesForm, self).__init__(request, *args, **kwargs)
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cluster_policies = senlin.cluster_policy_list(
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self.request, kwargs['initial']['cluster_id'], {})
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cluster_policies_ids = [policy.id for policy in cluster_policies]
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policies = senlin.policy_list(self.request)[0]
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available_policies = [(policy.id, policy.name) for policy in policies
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if policy.id not in cluster_policies_ids]
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self.fields['policies'].choices = (
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[("", _("Select Policy"))] + available_policies)
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def handle(self, request, data):
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try:
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params = {"enabled": data.pop('enabled')}
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attach = senlin.cluster_attach_policy(
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request, data["cluster_id"], data['policies'], params)
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msg = _('Attaching policy %(policy)s to cluster '
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'%(cluster)s.') % {"policy": data['policies'],
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"cluster": data['cluster_id']}
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messages.success(request, msg)
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return attach
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except Exception as e:
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redirect = reverse(INDEX_URL)
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exceptions.handle(request,
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_("Unable to attach policy: %s") % e,
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redirect=redirect)
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