forms.py 24.2 KB
Newer Older
1
from datetime import timedelta
2
from django import forms
3
from vm.models import InstanceTemplate, Lease, InterfaceTemplate
4 5 6 7 8
from storage.models import Disk
from firewall.models import Vlan
# from django.core.urlresolvers import reverse_lazy

from crispy_forms.helper import FormHelper
9
from crispy_forms.layout import (Layout, Div, BaseInput,
10
                                 Field, HTML, Submit, Fieldset)
11 12 13 14
from crispy_forms.layout import TEMPLATE_PACK
from crispy_forms.utils import render_field
from django.template import Context
from django.template.loader import render_to_string
15
from django.forms.widgets import TextInput
16 17 18 19 20
from django.utils.translation import ugettext as _
# from crispy_forms.bootstrap import FormActions


VLANS = Vlan.objects.all()
21
DISKS = Disk.objects.exclude(type="qcow2-snap")
22 23 24 25 26 27 28 29 30 31


class VmCreateForm(forms.Form):
    template = forms.ModelChoiceField(queryset=InstanceTemplate.objects.all(),
                                      empty_label="Select pls")
    cpu_priority = forms.IntegerField()
    cpu_count = forms.IntegerField()
    ram_size = forms.IntegerField()

    disks = forms.ModelMultipleChoiceField(
32
        queryset=DISKS,
33
        required=False
34 35
    )

36 37 38 39
    managed_networks = forms.ModelMultipleChoiceField(
        queryset=VLANS, required=False)
    unmanaged_networks = forms.ModelMultipleChoiceField(
        queryset=VLANS, required=False)
40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294

    def __init__(self, *args, **kwargs):
        super(VmCreateForm, self).__init__(*args, **kwargs)
        self.helper = FormHelper(self)
        self.helper.form_show_labels = False
        self.helper.layout = Layout(
            Div(
                Div(
                    Field('template', id="vm-create-template-select",
                          css_class="select form-control"),
                    css_class="col-sm-10",
                ),
                css_class="row",
            ),
            Div(  # buttons
                Div(
                    AnyTag(
                        "a",
                        HTML("%s " % _("Advanced")),
                        AnyTag(
                            "i",
                            css_class="vm-create-advanced-icon icon-caret-down"
                        ),
                        css_class="btn btn-info vm-create-advanced-btn",
                    ),
                    css_class="col-sm-5",
                ),
                Div(
                    AnyTag(  # tip: don't try to use Button class
                        "button",
                        AnyTag(
                            "i",
                            css_class="icon-play"
                        ),
                        HTML(" Start"),
                        css_id="vm-create-submit",
                        css_class="btn btn-success",

                    ),
                    css_class="col-sm-5 text-right",
                ),
                css_class="row",
            ),
            Div(  # vm-create-advanced
                Div(
                    Div(
                        AnyTag(
                            'h2',
                            HTML(_("Resources")),
                        ),
                        css_class="col-sm-12",
                    ),
                    css_class="row",
                ),
                Div(  # cpu priority
                    Div(
                        HTML('<label for="vm-cpu-priority-slider">'
                             '<i class="icon-trophy"></i> CPU priority'
                             '</label>'),
                        css_class="col-sm-3"
                    ),
                    Div(
                        Field('cpu_priority', id="vm-cpu-priority-slider",
                              css_class="vm-slider",
                              data_slider_min="0", data_slider_max="100",
                              data_slider_step="1", data_slider_value="20",
                              data_slider_handle="square",
                              data_slider_tooltip="hide"),
                        css_class="col-sm-9"
                    ),
                    css_class="row"
                ),
                Div(  # cpu count
                    Div(
                        HTML('<label for="cpu-count-slider">'
                             '<i class="icon-cogs"></i> CPU count'
                             '</label>'),
                        css_class="col-sm-3"
                    ),
                    Div(
                        Field('cpu_count', id="vm-cpu-count-slider",
                              css_class="vm-slider",
                              data_slider_min="1", data_slider_max="8",
                              data_slider_step="1", data_slider_value="2",
                              data_slider_handle="square",
                              data_slider_tooltip="hide"),
                        css_class="col-sm-9"
                    ),
                    css_class="row"
                ),
                Div(  # ram size
                    Div(
                        HTML('<label for="ram-slider">'
                             '<i class="icon-ticket"></i> RAM amount'
                             '</label>'),
                        css_class="col-sm-3"
                    ),
                    Div(
                        Field('ram_size', id="vm-ram-size-slider",
                              css_class="vm-slider",
                              data_slider_min="128", data_slider_max="4096",
                              data_slider_step="128", data_slider_value="512",
                              data_slider_handle="square",
                              data_slider_tooltip="hide"),
                        css_class="col-sm-9"
                    ),
                    css_class="row"
                ),
                Div(  # disks
                    Div(
                        AnyTag(
                            "h2",
                            HTML("Disks")
                        ),
                        css_class="col-sm-4",
                    ),
                    Div(
                        Div(
                            Field("disks", css_class="form-control",
                                  id="vm-create-disk-add-form"),
                            css_class="js-hidden",
                            style="padding-top: 15px; max-width: 450px;",
                        ),
                        Div(
                            AnyTag(
                                "h3",
                                HTML(_("No disks are added!")),
                                css_id="vm-create-disk-list",
                            ),
                            AnyTag(
                                "h3",
                                Div(
                                    AnyTag(
                                        "select",
                                        css_class="form-control",
                                        css_id="vm-create-disk-add-select",
                                    ),
                                    Div(
                                        AnyTag(
                                            "a",
                                            AnyTag(
                                                "i",
                                                css_class="icon-plus-sign",
                                            ),
                                            href="#",
                                            css_id="vm-create-disk-add-button",
                                            css_class="btn btn-success",
                                        ),
                                        css_class="input-group-btn"
                                    ),
                                    css_class="input-group",
                                    style="max-width: 330px;",
                                ),
                                css_id="vm-create-disk-add",
                            ),
                            css_class="no-js-hidden",
                        ),
                        css_class="col-sm-8",
                        style="padding-top: 3px;",
                    ),
                    css_class="row",
                ),  # end of disks
                Div(  # network
                    Div(
                        AnyTag(
                            "h2",
                            HTML(_("Network")),
                        ),
                        css_class="col-sm-4",
                    ),
                    Div(
                        Div(  # js-hidden
                            AnyTag(
                                "h4",
                                HTML(_("Managed networks")),
                            ),
                            Field(
                                "managed_networks",
                                css_class="form-control",
                                id="vm-create-network-add-managed",
                            ),
                            AnyTag(
                                "h4",
                                HTML(_("Unmanaged networks")),
                            ),
                            Field(
                                "unmanaged_networks",
                                css_class="form-control",
                                id="vm-create-network-add-unmanaged",
                            ),
                            css_class="js-hidden",
                            style="padding-top: 15px; max-width: 450px;",
                        ),
                        Div(  # no-js-hidden
                            AnyTag(
                                "h3",
                                HTML(_("Not added to any network!")),
                                css_id="vm-create-network-list",
                            ),
                            AnyTag(
                                "h3",
                                Div(
                                    AnyTag(
                                        "select",
                                        css_class="form-control",
                                        css_id="vm-create-network-add-select",
                                    ),
                                    AnyTag(
                                        "span",
                                        WorkingBaseInput(
                                            "",
                                            "",
                                            css_id=(
                                                "vm-create-network-add"
                                                "checkbox-managed"
                                            ),
                                            input_type="checkbox",
                                            title="",
                                            data_original_title=(
                                                _("Managed network?")
                                            ),
                                            checked="checked",
                                        ),
                                        css_class="input-group-addon",
                                    ),
                                    Div(
                                        AnyTag(
                                            "a",
                                            AnyTag(
                                                "i",
                                                css_class="icon-plus-sign",
                                            ),
                                            css_id=("vm-create-network-add"
                                                    "-button"),
                                            css_class="btn btn-success",
                                        ),
                                        css_class="input-group-btn",
                                    ),
                                    css_class="input-group",
                                    style="max-width: 330px;",
                                ),
                                css_class="vm-create-network-add"
                            ),
                            css_class="no-js-hidden",
                        ),
                        css_class="col-sm-8",
                        style="padding-top: 3px;",
                    ),
                    css_class="row"
                ),  # end of network
                css_class="vm-create-advanced"
            ),
        )


295
class TemplateForm(forms.ModelForm):
296 297 298 299
    managed_networks = forms.ModelMultipleChoiceField(
        queryset=VLANS, required=False)
    unmanaged_networks = forms.ModelMultipleChoiceField(
        queryset=VLANS, required=False)
300 301 302

    def __init__(self, *args, **kwargs):
        super(TemplateForm, self).__init__(*args, **kwargs)
303
        self.fields['disks'] = forms.ModelMultipleChoiceField(queryset=DISKS)
304 305 306 307 308 309 310
        if self.instance.pk:
            mn = self.instance.interface_set.filter(
                managed=True).values_list("vlan", flat=True)
            un = self.instance.interface_set.filter(
                managed=False).values_list("vlan", flat=True)
            self.initial['managed_networks'] = mn
            self.initial['unmanaged_networks'] = un
311 312 313

    def save(self, commit=True):
        data = self.cleaned_data
314 315 316 317 318 319 320 321
        self.instance.max_ram_size = data.get('ram_size')

        instance = super(TemplateForm, self).save(commit=False)
        if commit:
            instance.save()

        self.instance.disks = data['disks']  # TODO why do I need this

322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348
        # create and/or delete InterfaceTemplates
        managed = InterfaceTemplate.objects.filter(
            managed=True, template=self.instance).values_list("vlan",
                                                              flat=True)
        unmanaged = InterfaceTemplate.objects.filter(
            managed=False, template=self.instance).values_list("vlan",
                                                               flat=True)
        for m in data['managed_networks']:
            if m.pk not in managed:
                InterfaceTemplate(vlan=m, managed=True,
                                  template=self.instance).save()
        InterfaceTemplate.objects.filter(
            managed=True, template=self.instance).exclude(
            vlan__in=data['managed_networks']).delete()

        for u in data['unmanaged_networks']:
            if u.pk not in unmanaged:
                InterfaceTemplate(vlan=u, managed=False,
                                  template=self.instance).save()
        InterfaceTemplate.objects.filter(
            managed=False, template=self.instance).exclude(
            vlan__in=data['unmanaged_networks']).delete()
        return instance

    @property
    def helper(self):
        helper = FormHelper()
349
        if not self.instance.pk and len(self.errors) < 1:
350 351 352
            self.instance.priority = 20
            self.instance.ram_size = 512
            self.instance.num_cores = 2
353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395
        helper.layout = Layout(
            Field("name"),
            Fieldset(
                _("Resource configuration"),
                Div(  # cpu count
                    Div(
                        Field('num_cores', id="vm-cpu-count-slider",
                              css_class="vm-slider",
                              data_slider_min="1", data_slider_max="8",
                              data_slider_step="1",
                              data_slider_value=self.instance.num_cores,
                              data_slider_handle="square",
                              data_slider_tooltip="hide"),
                        css_class="col-sm-9"
                    ),
                    css_class="row"
                ),
                Div(  # cpu priority
                    Div(
                        Field('priority', id="vm-cpu-priority-slider",
                              css_class="vm-slider",
                              data_slider_min="0", data_slider_max="100",
                              data_slider_step="1",
                              data_slider_value=self.instance.priority,
                              data_slider_handle="square",
                              data_slider_tooltip="hide"),
                        css_class="col-sm-9"
                    ),
                    css_class="row"
                ),
                Div(
                    Div(
                        Field('ram_size', id="vm-ram-size-slider",
                              css_class="vm-slider",
                              data_slider_min="128", data_slider_max="4096",
                              data_slider_step="128",
                              data_slider_value=self.instance.ram_size,
                              data_slider_handle="square",
                              data_slider_tooltip="hide"),
                        css_class="col-sm-9"
                    ),
                    css_class="row",
                ),
396
                Field('max_ram_size', type="hidden", value="0"),
397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420
                Field('arch'),
            ),
            Fieldset(
                "stuff",
                Field('access_method'),
                Field('boot_menu'),
                Field('raw_data'),
                Field('req_traits'),
                Field('description'),
                Field("parent"),
                Field("system"),
                Field("state"),
            ),
            Fieldset(
                _("Exeternal"),
                Field("disks"),
                Field("managed_networks"),
                Field("unmanaged_networks"),
                Field("lease"),
                Field("tags"),
            ),
        )
        helper.add_input(Submit('submit', 'Save changes'))
        return helper
421 422 423 424 425 426 427

    class Meta:
        model = InstanceTemplate


class LeaseForm(forms.ModelForm):

428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444
    def __init__(self, *args, **kwargs):
        super(LeaseForm, self).__init__(*args, **kwargs)
        self.generate_fields()

    # e2ae8b048e7198428f696375b8bdcd89e90002d1/django/utils/timesince.py#L10
    def get_intervals(self, delta_seconds):
        chunks = (
            (60 * 60 * 24 * 30, "months"),
            (60 * 60 * 24 * 7, "weeks"),
            (60 * 60 * 24, "days"),
            (60 * 60, "hours"),
        )
        for i, (seconds, name) in enumerate(chunks):
            count = delta_seconds // seconds
            if count != 0:
                break
        re = {'%s' % name: count}
445
        if i + 1 < len(chunks) and i > 0:
446 447 448 449 450 451 452 453 454 455
            seconds2, name2 = chunks[i + 1]
            count2 = (delta_seconds - (seconds * count)) // seconds2
            if count2 != 0:
                re['%s' % name2] = count2
        return re

    def generate_fields(self):
        intervals = ["hours", "days", "weeks", "months"]
        methods = ["suspend", "delete"]
        # feels redundant but these lines are so long
456 457 458 459
        s = (self.instance.suspend_interval.total_seconds()
             if self.instance.pk else 0)
        d = (self.instance.delete_interval.total_seconds()
             if self.instance.pk else 0)
460
        seconds = {
461 462
            'suspend': s,
            'delete': d
463 464 465 466 467 468 469 470
        }
        initial = {
            'suspend': self.get_intervals(int(seconds['suspend'])),
            'delete': self.get_intervals(int(seconds['delete']))
        }
        for m in methods:
            for idx, i in enumerate(intervals):
                self.fields["%s_%s" % (m, i)] = forms.IntegerField(
471
                    min_value=0, widget=NumberInput,
472 473 474 475
                    initial=initial[m].get(i, 0))

    def save(self, commit=True):
        data = self.cleaned_data
476

477 478
        suspend_seconds = timedelta(
            hours=data['suspend_hours'],
479 480
            days=(data['suspend_days'] + data['suspend_months'] % 12 * 30 +
                  data['suspend_months'] / 12 * 365),
481 482 483 484
            weeks=data['suspend_weeks'],
        )
        delete_seconds = timedelta(
            hours=data['delete_hours'],
485 486
            days=(data['delete_days'] + data['delete_months'] % 12 * 30 +
                  data['delete_months'] / 12 * 365),
487 488 489 490 491 492 493 494 495
            weeks=data['delete_weeks'],
        )
        self.instance.delete_interval = delete_seconds
        self.instance.suspend_interval = suspend_seconds
        instance = super(LeaseForm, self).save(commit=False)
        if commit:
            instance.save()
        return instance

496 497 498
    @property
    def helper(self):
        helper = FormHelper()
499 500
        helper.layout = Layout(
            Field('name'),
501 502
            Field("suspend_interval_seconds", type="hidden", value="0"),
            Field("delete_interval_seconds", type="hidden", value="0"),
503 504 505 506
            Div(
                Div(
                    HTML(_("Suspend in")),
                    css_class="input-group-addon",
507
                    style="width: 100px;",
508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534
                ),
                NumberField("suspend_hours", css_class="form-control"),
                Div(
                    HTML(_("hours")),
                    css_class="input-group-addon",
                ),
                NumberField("suspend_days", css_class="form-control"),
                Div(
                    HTML(_("days")),
                    css_class="input-group-addon",
                ),
                NumberField("suspend_weeks", css_class="form-control"),
                Div(
                    HTML(_("weeks")),
                    css_class="input-group-addon",
                ),
                NumberField("suspend_months", css_class="form-control"),
                Div(
                    HTML(_("months")),
                    css_class="input-group-addon",
                ),
                css_class="input-group interval-input",
            ),
            Div(
                Div(
                    HTML(_("Delete in")),
                    css_class="input-group-addon",
535
                    style="width: 100px;",
536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559
                ),
                NumberField("delete_hours", css_class="form-control"),
                Div(
                    HTML(_("hours")),
                    css_class="input-group-addon",
                ),
                NumberField("delete_days", css_class="form-control"),
                Div(
                    HTML(_("days")),
                    css_class="input-group-addon",
                ),
                NumberField("delete_weeks", css_class="form-control"),
                Div(
                    HTML(_("weeks")),
                    css_class="input-group-addon",
                ),
                NumberField("delete_months", css_class="form-control"),
                Div(
                    HTML(_("months")),
                    css_class="input-group-addon",
                ),
                css_class="input-group interval-input",
            )
        )
560 561 562 563 564 565 566
        helper.add_input(Submit("submit", "Save changes"))
        return helper

    class Meta:
        model = Lease


567
class LinkButton(BaseInput):
568

569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584
    """
    Used to create a link button descriptor for the {% crispy %} template tag::

        back = LinkButton('back', 'Back', reverse_lazy('index'))

    .. note:: The first argument is also slugified and turned into the id for
              the submit button.
    """
    template = "bootstrap/layout/linkbutton.html"
    field_classes = 'btn btn-default'

    def __init__(self, name, text, url, *args, **kwargs):
        self.href = url
        super(LinkButton, self).__init__(name, text, *args, **kwargs)


585 586 587 588
class NumberInput(TextInput):
    input_type = "number"


589 590 591 592
class NumberField(Field):
    template = "crispy_forms/numberfield.html"

    def __init__(self, *args, **kwargs):
593
        kwargs['min'] = 0
594 595 596
        super(NumberField, self).__init__(*args, **kwargs)


597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614
class AnyTag(Div):
    template = "crispy_forms/anytag.html"

    def __init__(self, tag, *fields, **kwargs):
        self.tag = tag
        super(AnyTag, self).__init__(*fields, **kwargs)

    def render(self, form, form_style, context, template_pack=TEMPLATE_PACK):
        fields = ''
        for field in self.fields:
            fields += render_field(field, form, form_style, context,
                                   template_pack=template_pack)

        return render_to_string(self.template, Context({'tag': self,
                                                        'fields': fields}))


class WorkingBaseInput(BaseInput):
615

616 617 618 619
    def __init__(self, name, value, input_type="text", **kwargs):
        self.input_type = input_type
        self.field_classes = ""  # we need this for some reason
        super(WorkingBaseInput, self).__init__(name, value, **kwargs)