def test_allows_selecting_by_system_id(self):
node = factory.make_Node()
for _ in range(3):
factory.make_Node()
node_field = NodeChoiceField(Node.objects.filter())
self.assertEqual(node, node_field.clean(node.system_id))
class CloneForm(forms.Form):
"""Clone storage/interface form."""
source = NodeChoiceField(
label="Source",
queryset=Machine.objects.all(),
required=True,
initial=None,
help_text="The source machine to clone from.",
)
destinations = SimpleArrayField(
NodeChoiceField(queryset=Machine.objects.all()),
label="Destinations",
min_length=1,
error_messages={
"item_invalid": "Machine %(nth)s is invalid:",
"is-source":
"Source machine %(machine)s cannot be a destination machine.",
"storage": "%(machine)s is invalid:",
"networking": "%(machine)s is invalid:",
},
help_text="The destinations to clone to.",
)
storage = forms.BooleanField(
label="Storage",
required=False,
help_text="Clone the storage configuration.",
)
interfaces = forms.BooleanField(
label="Interfaces",
required=False,
help_text="Clone the interfaces configuration.",
)
def __init__(self, user, **kwargs):
self.user = user
super().__init__(**kwargs)
self.fields["source"].queryset = Machine.objects.get_nodes(
self.user, NodePermission.view)
self.fields[
"destinations"].base_field.queryset = Machine.objects.get_nodes(
self.user,
NodePermission.admin,
from_nodes=Machine.objects.filter(
status__in={NODE_STATUS.READY, NODE_STATUS.FAILED_TESTING
}),
)
def clean(self):
"""Validate that the form is valid and that the destinations can accept
the storage and/or interfaces configuration from the source."""
cleaned_data = super().clean()
source = self.cleaned_data.get("source")
if not source:
# Django should be placing this automatically, but it does not
# occur. So we force the setting of this error here.
self.add_error("source", "This field is required.")
destinations = self.cleaned_data.get("destinations")
destination_field = self.fields["destinations"]
storage = self.cleaned_data.get("storage", False)
interfaces = self.cleaned_data.get("interfaces", False)
if source and destinations:
for dest in destinations:
if source == dest:
error = ValidationError(
destination_field.error_messages["is-source"],
code="is-source",
params={
"machine": str(dest),
"system_id": dest.system_id,
},
)
self.add_error("destinations", error)
else:
if storage:
try:
dest._get_storage_mapping_between_nodes(source)
except ValidationError as exc:
error = prefix_validation_error(
exc,
prefix=destination_field.
error_messages["storage"],
code="storage",
params={
"machine": str(dest),
"system_id": dest.system_id,
},
)
self.add_error("destinations", error)
if interfaces:
try:
dest._get_interface_mapping_between_nodes(source)
except ValidationError as exc:
error = prefix_validation_error(
exc,
prefix=destination_field.
error_messages["networking"],
code="networking",
params={
"machine": str(dest),
"system_id": dest.system_id,
},
)
self.add_error("destinations", error)
if not storage and not interfaces:
self.add_error(
"__all__",
ValidationError(
"Either storage or interfaces must be true.",
code="required",
),
)
return cleaned_data
def strip_failed_destinations(self):
"""Remove destinations that have errors."""
if "destinations" not in self.cleaned_data:
submitted_destinations = self.data.get("destinations")
# Don't try and manipulate empty submission
if not submitted_destinations:
return
errors = self.errors.as_data()
bogus_system_ids = {
error.params["system_id"]
for error in errors["destinations"]
}
return [
dest for dest in submitted_destinations
if dest not in bogus_system_ids
]
def save(self):
"""Clone the storage and/or interfaces configuration to the
destinations."""
source = self.cleaned_data.get("source")
destinations = self.cleaned_data.get("destinations", [])
storage = self.cleaned_data.get("storage", False)
interfaces = self.cleaned_data.get("interfaces", False)
for dest in destinations:
if storage:
dest.set_storage_configuration_from_node(source)
if interfaces:
dest.set_networking_configuration_from_node(source)
class CloneForm(forms.Form):
"""Clone storage/interface form."""
source = NodeChoiceField(
label="Source",
queryset=Machine.objects.all(),
required=True,
initial=None,
help_text="The source machine to clone from.",
)
destinations = SimpleArrayField(
NodeChoiceField(queryset=Machine.objects.all()),
label="Destinations",
min_length=1,
error_messages={
"item_invalid": "Machine %(nth)s in the array did not validate:"
},
help_text="The destinations to clone to.",
)
storage = forms.BooleanField(
label="Storage",
required=False,
help_text="Clone the storage configuration.",
)
interfaces = forms.BooleanField(
label="Interfaces",
required=False,
help_text="Clone the interfaces configuration.",
)
def __init__(self, user, **kwargs):
self.user = user
super().__init__(**kwargs)
self.fields["source"].queryset = Machine.objects.get_nodes(
self.user, NodePermission.view)
self.fields[
"destinations"].base_field.queryset = Machine.objects.get_nodes(
self.user,
NodePermission.admin,
from_nodes=Machine.objects.filter(
status__in={NODE_STATUS.READY, NODE_STATUS.FAILED_TESTING
}),
)
def clean(self):
"""Validate that the form is valid and that the destinations can accept
the storage and/or interfaces configuration from the source."""
cleaned_data = super().clean()
source = self.cleaned_data.get("source")
if not source:
# Django should be placing this automatically, but it does not
# occur. So we force the setting of this error here.
set_form_error(self, "source", "This field is required.")
destinations = self.cleaned_data.get("destinations")
destination_field = self.fields["destinations"]
item_invalid = destination_field.error_messages["item_invalid"]
storage = self.cleaned_data.get("storage", False)
interfaces = self.cleaned_data.get("interfaces", False)
if source and destinations:
for index, dest in enumerate(destinations, 1):
if source == dest:
error = prefix_validation_error(
ValidationError(
"Source machine cannot be a destination machine."),
prefix=item_invalid,
code="item_invalid",
params={"nth": index},
)
set_form_error(self, "destinations", error)
else:
if storage:
try:
dest._get_storage_mapping_between_nodes(source)
except ValidationError as exc:
error = prefix_validation_error(
exc,
prefix=item_invalid,
code="item_invalid",
params={"nth": index},
)
set_form_error(self, "destinations", error)
if interfaces:
try:
dest._get_interface_mapping_between_nodes(source)
except ValidationError as exc:
error = prefix_validation_error(
exc,
prefix=item_invalid,
code="item_invalid",
params={"nth": index},
)
set_form_error(self, "destinations", error)
if not storage and not interfaces:
set_form_error(self, "__all__",
"Either storage or interfaces must be true.")
return cleaned_data
def save(self):
"""Clone the storage and/or interfaces configuration to the
destinations."""
source = self.cleaned_data.get("source")
destinations = self.cleaned_data.get("destinations")
storage = self.cleaned_data.get("storage", False)
interfaces = self.cleaned_data.get("interfaces", False)
for dest in destinations:
if storage:
dest.set_storage_configuration_from_node(source)
if interfaces:
dest.set_networking_configuration_from_node(source)
class DHCPSnippetForm(MAASModelForm):
"""DHCP snippet creation/edition form."""
name = forms.CharField(label="Name",
required=False,
help_text=("The name of the DHCP snippet."))
value = VersionedTextFileField(label="DHCP Snippet",
required=False,
help_text="The DHCP Snippet")
description = forms.CharField(
label="Description",
required=False,
help_text=("The description of what the DHCP snippet does."))
enabled = forms.BooleanField(
label="Enabled",
required=False,
help_text=("Whether or not the DHCP snippet is enabled."))
node = NodeChoiceField(
label="Node",
queryset=Node.objects.all(),
required=False,
initial=None,
help_text=("The node which the DHCP snippet is for."))
subnet = SpecifierOrModelChoiceField(
label="Subnet",
queryset=Subnet.objects.all(),
required=False,
help_text="The subnet which the DHCP snippet is for.")
global_snippet = forms.BooleanField(
label="Global DHCP Snippet",
required=False,
help_text=(
"Set the DHCP snippet to be global, removes links to nodes or "
"subnets"))
class Meta:
model = DHCPSnippet
fields = (
'name',
'value',
'description',
'enabled',
'node',
'subnet',
'global_snippet',
)
def __init__(self, instance=None, request=None, **kwargs):
super().__init__(instance=instance, **kwargs)
if instance is None:
for field in ['name', 'value']:
self.fields[field].required = True
self.initial['enabled'] = True
else:
self.fields['value'].initial = self.instance.value
if instance is not None and instance.node is not None:
self.initial['node'] = self.instance.node.system_id
def clean(self):
cleaned_data = super().clean()
if cleaned_data.get('global_snippet', False):
cleaned_data['node'] = None
self.instance.node = None
cleaned_data['subnet'] = None
self.instance.subnet = None
elif (self.instance.subnet == cleaned_data.get('subnet')
and cleaned_data.get('node') is not None):
cleaned_data['subnet'] = None
self.instance.subnet = None
elif (self.instance.node == cleaned_data.get('node')
and cleaned_data.get('subnet') is not None):
cleaned_data['node'] = None
self.instance.node = None
return cleaned_data
def is_valid(self):
valid = super().is_valid()
if valid:
# Often the first error can cause cascading errors. Showing all of
# these errors can be confusing so only show the first if there is
# one.
first_error = None
for error in validate_dhcp_config(self.instance):
valid = False
if first_error is None:
first_error = error
else:
if error['line_num'] < first_error['line_num']:
first_error = error
if first_error is not None:
set_form_error(self, 'value', first_error['error'])
# If the DHCPSnippet isn't valid cleanup the value
if not valid and self.initial.get('value') != self.instance.value_id:
self.instance.value.delete()
return valid
class DHCPSnippetForm(MAASModelForm):
"""DHCP snippet creation/edition form."""
name = forms.CharField(label="Name",
required=False,
help_text="The name of the DHCP snippet.")
value = VersionedTextFileField(label="DHCP Snippet",
required=False,
help_text="The DHCP Snippet")
description = forms.CharField(
label="Description",
required=False,
help_text="The description of what the DHCP snippet does.",
)
enabled = forms.BooleanField(
label="Enabled",
required=False,
help_text="Whether or not the DHCP snippet is enabled.",
)
node = NodeChoiceField(
label="Node",
queryset=Node.objects.all(),
required=False,
initial=None,
help_text="The node which the DHCP snippet is for.",
)
subnet = SpecifierOrModelChoiceField(
label="Subnet",
queryset=Subnet.objects.all(),
required=False,
help_text="The subnet which the DHCP snippet is for.",
)
global_snippet = forms.BooleanField(
label="Global DHCP Snippet",
required=False,
help_text=(
"Set the DHCP snippet to be global, removes links to nodes or "
"subnets"),
)
class Meta:
model = DHCPSnippet
fields = (
"name",
"value",
"description",
"enabled",
"node",
"subnet",
"global_snippet",
)
def __init__(self, instance=None, request=None, **kwargs):
super().__init__(instance=instance, **kwargs)
if instance is None:
for field in ["name", "value"]:
self.fields[field].required = True
self.initial["enabled"] = True
else:
self.fields["value"].initial = self.instance.value
if instance is not None and instance.node is not None:
self.initial["node"] = self.instance.node.system_id
def clean(self):
cleaned_data = super().clean()
if cleaned_data.get("global_snippet", False):
cleaned_data["node"] = None
self.instance.node = None
cleaned_data["subnet"] = None
self.instance.subnet = None
elif (self.instance.subnet == cleaned_data.get("subnet")
and cleaned_data.get("node") is not None):
cleaned_data["subnet"] = None
self.instance.subnet = None
elif (self.instance.node == cleaned_data.get("node")
and cleaned_data.get("subnet") is not None):
cleaned_data["node"] = None
self.instance.node = None
return cleaned_data
def is_valid(self):
valid = super().is_valid()
if valid:
# Often the first error can cause cascading errors. Showing all of
# these errors can be confusing so only show the first if there is
# one.
first_error = None
for error in validate_dhcp_config(self.instance):
valid = False
if first_error is None:
first_error = error
else:
if error["line_num"] < first_error["line_num"]:
first_error = error
if first_error is not None:
set_form_error(self, "value", first_error["error"])
# If the DHCPSnippet isn't valid cleanup the value
if not valid and self.initial.get("value") != self.instance.value_id:
self.instance.value.delete()
return valid
def save(self, endpoint, request):
dhcp_snippet = super(DHCPSnippetForm, self).save()
create_audit_event(
EVENT_TYPES.SETTINGS,
endpoint,
request,
None,
description=("%s DHCP snippet '%s'." % (
"Updated" if self.is_update else "Created",
dhcp_snippet.name,
)),
)
return dhcp_snippet
def test_raises_exception_when_not_found(self):
for _ in range(3):
factory.make_Node()
node_field = NodeChoiceField(Node.objects.filter())
self.assertRaises(
ValidationError, node_field.clean, factory.make_name('query'))
