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from django.db.models import QuerySet
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from django.utils.translation import gettext_lazy as _
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from rest_framework import serializers
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from rest_framework.validators import UniqueValidator
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from common.serializers import (
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WritableNestedModelSerializer, type_field_map, MethodSerializer,
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DictSerializer, create_serializer_class
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)
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from common.serializers.fields import LabeledChoiceField
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from common.utils import lazyproperty
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from ..const import Category, AllTypes, Protocol
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from ..models import Platform, PlatformProtocol, PlatformAutomation
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__all__ = ["PlatformSerializer", "PlatformOpsMethodSerializer", "PlatformProtocolSerializer"]
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class PlatformAutomationSerializer(serializers.ModelSerializer):
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class Meta:
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model = PlatformAutomation
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fields = [
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"id",
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"ansible_enabled", "ansible_config",
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"ping_enabled", "ping_method", "ping_params",
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"push_account_enabled", "push_account_method", "push_account_params",
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"gather_facts_enabled", "gather_facts_method", "gather_facts_params",
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"change_secret_enabled", "change_secret_method", "change_secret_params",
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"verify_account_enabled", "verify_account_method", "verify_account_params",
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"gather_accounts_enabled", "gather_accounts_method", "gather_accounts_params",
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]
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extra_kwargs = {
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# 启用资产探测
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"ping_enabled": {"label": _("Ping enabled")},
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"ping_method": {"label": _("Ping method")},
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"gather_facts_enabled": {"label": _("Gather facts enabled")},
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"gather_facts_method": {"label": _("Gather facts method")},
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"verify_account_enabled": {"label": _("Verify account enabled")},
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"verify_account_method": {"label": _("Verify account method")},
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"change_secret_enabled": {"label": _("Change secret enabled")},
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"change_secret_method": {"label": _("Change secret method")},
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"push_account_enabled": {"label": _("Push account enabled")},
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"push_account_method": {"label": _("Push account method")},
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"gather_accounts_enabled": {"label": _("Gather accounts enabled")},
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"gather_accounts_method": {"label": _("Gather accounts method")},
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}
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class PlatformProtocolSerializer(serializers.ModelSerializer):
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setting = MethodSerializer(required=False, label=_("Setting"))
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port_from_addr = serializers.BooleanField(label=_("Port from addr"), read_only=True)
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class Meta:
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model = PlatformProtocol
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fields = [
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"id", "name", "port", "port_from_addr",
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"primary", "required", "default", "public",
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"secret_types", "setting",
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]
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extra_kwargs = {
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"primary": {
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"help_text": _(
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"This protocol is primary, and it must be set when adding assets. "
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"Additionally, there can only be one primary protocol."
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)
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},
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"required": {
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"help_text": _("This protocol is required, and it must be set when adding assets.")
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},
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"default": {
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"help_text": _("This protocol is default, when adding assets, it will be displayed by default.")
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},
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"public": {
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"help_text": _("This protocol is public, asset will show this protocol to user")
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},
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}
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def get_setting_serializer(self):
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request = self.context.get('request')
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default_field = DictSerializer(required=False)
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if not request:
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return default_field
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if self.instance and isinstance(self.instance, (QuerySet, list)):
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instance = self.instance[0]
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else:
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instance = self.instance
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protocol = request.query_params.get('name', '')
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if instance and not protocol:
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protocol = instance.name
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protocol_settings = Protocol.settings()
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setting_fields = protocol_settings.get(protocol, {}).get('setting')
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if not setting_fields:
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return default_field
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setting_fields = [{'name': k, **v} for k, v in setting_fields.items()]
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name = '{}ProtocolSettingSerializer'.format(protocol.capitalize())
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return create_serializer_class(name, setting_fields)()
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def to_file_representation(self, data):
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return '{name}/{port}'.format(**data)
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def to_file_internal_value(self, data):
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name, port = data.split('/')
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return {'name': name, 'port': port}
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class PlatformCustomField(serializers.Serializer):
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TYPE_CHOICES = [(t, t) for t, c in type_field_map.items()]
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name = serializers.CharField(label=_("Name"), max_length=128)
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label = serializers.CharField(label=_("Label"), max_length=128)
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type = serializers.ChoiceField(choices=TYPE_CHOICES, label=_("Type"), default='str')
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default = serializers.CharField(default="", allow_blank=True, label=_("Default"), max_length=1024)
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help_text = serializers.CharField(default="", allow_blank=True, label=_("Help text"), max_length=1024)
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choices = serializers.ListField(default=list, label=_("Choices"), required=False)
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class PlatformSerializer(WritableNestedModelSerializer):
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SU_METHOD_CHOICES = [
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("sudo", "sudo su -"),
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("su", "su - "),
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("enable", "enable"),
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("super", "super 15"),
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("super_level", "super level 15")
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]
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id = serializers.IntegerField(
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label='ID', required=False,
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validators=[UniqueValidator(queryset=Platform.objects.all())]
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)
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charset = LabeledChoiceField(choices=Platform.CharsetChoices.choices, label=_("Charset"), default='utf-8')
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type = LabeledChoiceField(choices=AllTypes.choices(), label=_("Type"))
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category = LabeledChoiceField(choices=Category.choices, label=_("Category"))
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protocols = PlatformProtocolSerializer(label=_("Protocols"), many=True, required=False)
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automation = PlatformAutomationSerializer(label=_("Automation"), required=False, default=dict)
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su_method = LabeledChoiceField(
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choices=SU_METHOD_CHOICES, label=_("Su method"),
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required=False, default="sudo", allow_null=True
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)
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custom_fields = PlatformCustomField(label=_("Custom fields"), many=True, required=False)
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class Meta:
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model = Platform
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fields_mini = ["id", "name", "internal"]
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fields_small = fields_mini + [
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"category", "type", "charset",
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]
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fields_unexport = ['automation']
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read_only_fields = [
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'internal', 'date_created', 'date_updated',
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'created_by', 'updated_by'
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]
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fields = fields_small + [
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"protocols", "domain_enabled", "su_enabled",
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"su_method", "automation", "comment", "custom_fields",
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] + read_only_fields
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extra_kwargs = {
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"su_enabled": {"label": _('Su enabled')},
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"domain_enabled": {"label": _('Domain enabled')},
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"domain_default": {"label": _('Default Domain')},
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}
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def __init__(self, *args, **kwargs):
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super().__init__(*args, **kwargs)
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self.set_initial_value()
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def set_initial_value(self):
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if not hasattr(self, 'initial_data'):
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return
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if self.instance:
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return
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if not self.initial_data.get('automation'):
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self.initial_data['automation'] = {}
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@property
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def platform_category_type(self):
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if self.instance:
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return self.instance.category, self.instance.type
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if self.initial_data:
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return self.initial_data.get('category'), self.initial_data.get('type')
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raise serializers.ValidationError({'type': _("type is required")})
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def add_type_choices(self, name, label):
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tp = self.fields['type']
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tp.choices[name] = label
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tp.choice_mapper[name] = label
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tp.choice_strings_to_values[name] = label
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@lazyproperty
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def constraints(self):
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category, tp = self.platform_category_type
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constraints = AllTypes.get_constraints(category, tp)
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return constraints
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@classmethod
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def setup_eager_loading(cls, queryset):
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queryset = queryset.prefetch_related(
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'protocols', 'automation'
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)
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return queryset
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def validate_protocols(self, protocols):
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if not protocols:
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raise serializers.ValidationError(_("Protocols is required"))
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primary = [p for p in protocols if p.get('primary')]
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if not primary:
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protocols[0]['primary'] = True
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# 这里不设置不行，write_nested 不使用 validated 中的
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self.initial_data['protocols'] = protocols
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return protocols
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def validate_su_enabled(self, su_enabled):
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return su_enabled and self.constraints.get('su_enabled', False)
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def validate_domain_enabled(self, domain_enabled):
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return domain_enabled and self.constraints.get('domain_enabled', False)
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def validate_automation(self, automation):
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automation = automation or {}
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ansible_enabled = automation.get('ansible_enabled', False) \
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and self.constraints['automation'].get('ansible_enabled', False)
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automation['ansible_enable'] = ansible_enabled
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return automation
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class PlatformOpsMethodSerializer(serializers.Serializer):
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id = serializers.CharField(read_only=True)
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name = serializers.CharField(max_length=50, label=_("Name"))
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category = serializers.CharField(max_length=50, label=_("Category"))
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type = serializers.ListSerializer(child=serializers.CharField())
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method = serializers.CharField()
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