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author | Daniel J Walsh <dwalsh@redhat.com> | 2018-03-26 18:26:55 -0400 |
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committer | Atomic Bot <atomic-devel@projectatomic.io> | 2018-03-27 18:09:12 +0000 |
commit | af64e10400f8533a0c48ecdf5ab9b7fbf329e14e (patch) | |
tree | 59160e3841b440dd35189c724bbb4375a7be173b /vendor/k8s.io/kube-openapi/pkg/util/proto/document.go | |
parent | 26d7e3c7b85e28c4e42998c90fdcc14079f13eef (diff) | |
download | podman-af64e10400f8533a0c48ecdf5ab9b7fbf329e14e.tar.gz podman-af64e10400f8533a0c48ecdf5ab9b7fbf329e14e.tar.bz2 podman-af64e10400f8533a0c48ecdf5ab9b7fbf329e14e.zip |
Vendor in lots of kubernetes stuff to shrink image size
Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
Closes: #554
Approved by: mheon
Diffstat (limited to 'vendor/k8s.io/kube-openapi/pkg/util/proto/document.go')
-rw-r--r-- | vendor/k8s.io/kube-openapi/pkg/util/proto/document.go | 285 |
1 files changed, 285 insertions, 0 deletions
diff --git a/vendor/k8s.io/kube-openapi/pkg/util/proto/document.go b/vendor/k8s.io/kube-openapi/pkg/util/proto/document.go new file mode 100644 index 000000000..61dbf4fc0 --- /dev/null +++ b/vendor/k8s.io/kube-openapi/pkg/util/proto/document.go @@ -0,0 +1,285 @@ +/* +Copyright 2017 The Kubernetes Authors. + +Licensed under the Apache License, Version 2.0 (the "License"); +you may not use this file except in compliance with the License. +You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + +Unless required by applicable law or agreed to in writing, software +distributed under the License is distributed on an "AS IS" BASIS, +WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +See the License for the specific language governing permissions and +limitations under the License. +*/ + +package proto + +import ( + "fmt" + "sort" + "strings" + + openapi_v2 "github.com/googleapis/gnostic/OpenAPIv2" + yaml "gopkg.in/yaml.v2" +) + +func newSchemaError(path *Path, format string, a ...interface{}) error { + err := fmt.Sprintf(format, a...) + if path.Len() == 0 { + return fmt.Errorf("SchemaError: %v", err) + } + return fmt.Errorf("SchemaError(%v): %v", path, err) +} + +// VendorExtensionToMap converts openapi VendorExtension to a map. +func VendorExtensionToMap(e []*openapi_v2.NamedAny) map[string]interface{} { + values := map[string]interface{}{} + + for _, na := range e { + if na.GetName() == "" || na.GetValue() == nil { + continue + } + if na.GetValue().GetYaml() == "" { + continue + } + var value interface{} + err := yaml.Unmarshal([]byte(na.GetValue().GetYaml()), &value) + if err != nil { + continue + } + + values[na.GetName()] = value + } + + return values +} + +// Definitions is an implementation of `Models`. It looks for +// models in an openapi Schema. +type Definitions struct { + models map[string]Schema +} + +var _ Models = &Definitions{} + +// NewOpenAPIData creates a new `Models` out of the openapi document. +func NewOpenAPIData(doc *openapi_v2.Document) (Models, error) { + definitions := Definitions{ + models: map[string]Schema{}, + } + + // Save the list of all models first. This will allow us to + // validate that we don't have any dangling reference. + for _, namedSchema := range doc.GetDefinitions().GetAdditionalProperties() { + definitions.models[namedSchema.GetName()] = nil + } + + // Now, parse each model. We can validate that references exists. + for _, namedSchema := range doc.GetDefinitions().GetAdditionalProperties() { + path := NewPath(namedSchema.GetName()) + schema, err := definitions.ParseSchema(namedSchema.GetValue(), &path) + if err != nil { + return nil, err + } + definitions.models[namedSchema.GetName()] = schema + } + + return &definitions, nil +} + +// We believe the schema is a reference, verify that and returns a new +// Schema +func (d *Definitions) parseReference(s *openapi_v2.Schema, path *Path) (Schema, error) { + if len(s.GetProperties().GetAdditionalProperties()) > 0 { + return nil, newSchemaError(path, "unallowed embedded type definition") + } + if len(s.GetType().GetValue()) > 0 { + return nil, newSchemaError(path, "definition reference can't have a type") + } + + if !strings.HasPrefix(s.GetXRef(), "#/definitions/") { + return nil, newSchemaError(path, "unallowed reference to non-definition %q", s.GetXRef()) + } + reference := strings.TrimPrefix(s.GetXRef(), "#/definitions/") + if _, ok := d.models[reference]; !ok { + return nil, newSchemaError(path, "unknown model in reference: %q", reference) + } + return &Ref{ + BaseSchema: d.parseBaseSchema(s, path), + reference: reference, + definitions: d, + }, nil +} + +func (d *Definitions) parseBaseSchema(s *openapi_v2.Schema, path *Path) BaseSchema { + return BaseSchema{ + Description: s.GetDescription(), + Extensions: VendorExtensionToMap(s.GetVendorExtension()), + Path: *path, + } +} + +// We believe the schema is a map, verify and return a new schema +func (d *Definitions) parseMap(s *openapi_v2.Schema, path *Path) (Schema, error) { + if len(s.GetType().GetValue()) != 0 && s.GetType().GetValue()[0] != object { + return nil, newSchemaError(path, "invalid object type") + } + if s.GetAdditionalProperties().GetSchema() == nil { + return nil, newSchemaError(path, "invalid object doesn't have additional properties") + } + sub, err := d.ParseSchema(s.GetAdditionalProperties().GetSchema(), path) + if err != nil { + return nil, err + } + return &Map{ + BaseSchema: d.parseBaseSchema(s, path), + SubType: sub, + }, nil +} + +func (d *Definitions) parsePrimitive(s *openapi_v2.Schema, path *Path) (Schema, error) { + var t string + if len(s.GetType().GetValue()) > 1 { + return nil, newSchemaError(path, "primitive can't have more than 1 type") + } + if len(s.GetType().GetValue()) == 1 { + t = s.GetType().GetValue()[0] + } + switch t { + case String: + case Number: + case Integer: + case Boolean: + case "": // Some models are completely empty, and can be safely ignored. + // Do nothing + default: + return nil, newSchemaError(path, "Unknown primitive type: %q", t) + } + return &Primitive{ + BaseSchema: d.parseBaseSchema(s, path), + Type: t, + Format: s.GetFormat(), + }, nil +} + +func (d *Definitions) parseArray(s *openapi_v2.Schema, path *Path) (Schema, error) { + if len(s.GetType().GetValue()) != 1 { + return nil, newSchemaError(path, "array should have exactly one type") + } + if s.GetType().GetValue()[0] != array { + return nil, newSchemaError(path, `array should have type "array"`) + } + if len(s.GetItems().GetSchema()) != 1 { + return nil, newSchemaError(path, "array should have exactly one sub-item") + } + sub, err := d.ParseSchema(s.GetItems().GetSchema()[0], path) + if err != nil { + return nil, err + } + return &Array{ + BaseSchema: d.parseBaseSchema(s, path), + SubType: sub, + }, nil +} + +func (d *Definitions) parseKind(s *openapi_v2.Schema, path *Path) (Schema, error) { + if len(s.GetType().GetValue()) != 0 && s.GetType().GetValue()[0] != object { + return nil, newSchemaError(path, "invalid object type") + } + if s.GetProperties() == nil { + return nil, newSchemaError(path, "object doesn't have properties") + } + + fields := map[string]Schema{} + + for _, namedSchema := range s.GetProperties().GetAdditionalProperties() { + var err error + path := path.FieldPath(namedSchema.GetName()) + fields[namedSchema.GetName()], err = d.ParseSchema(namedSchema.GetValue(), &path) + if err != nil { + return nil, err + } + } + + return &Kind{ + BaseSchema: d.parseBaseSchema(s, path), + RequiredFields: s.GetRequired(), + Fields: fields, + }, nil +} + +func (d *Definitions) parseArbitrary(s *openapi_v2.Schema, path *Path) (Schema, error) { + return &Arbitrary{ + BaseSchema: d.parseBaseSchema(s, path), + }, nil +} + +// ParseSchema creates a walkable Schema from an openapi schema. While +// this function is public, it doesn't leak through the interface. +func (d *Definitions) ParseSchema(s *openapi_v2.Schema, path *Path) (Schema, error) { + objectTypes := s.GetType().GetValue() + if len(objectTypes) == 1 { + t := objectTypes[0] + switch t { + case object: + return d.parseMap(s, path) + case array: + return d.parseArray(s, path) + } + + } + if s.GetXRef() != "" { + return d.parseReference(s, path) + } + if s.GetProperties() != nil { + return d.parseKind(s, path) + } + if len(objectTypes) == 0 || (len(objectTypes) == 1 && objectTypes[0] == "") { + return d.parseArbitrary(s, path) + } + return d.parsePrimitive(s, path) +} + +// LookupModel is public through the interface of Models. It +// returns a visitable schema from the given model name. +func (d *Definitions) LookupModel(model string) Schema { + return d.models[model] +} + +func (d *Definitions) ListModels() []string { + models := []string{} + + for model := range d.models { + models = append(models, model) + } + + sort.Strings(models) + return models +} + +type Ref struct { + BaseSchema + + reference string + definitions *Definitions +} + +var _ Reference = &Ref{} + +func (r *Ref) Reference() string { + return r.reference +} + +func (r *Ref) SubSchema() Schema { + return r.definitions.models[r.reference] +} + +func (r *Ref) Accept(v SchemaVisitor) { + v.VisitReference(r) +} + +func (r *Ref) GetName() string { + return fmt.Sprintf("Reference to %q", r.reference) +} |