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new driver: kubernetes
Tested with `kind` and GKE. Note: "nodes" shown in `docker buildx ls` are unrelated to Kubernetes "nodes". Probably buildx should come up with an alternative term. Usage: $ kind create cluster $ export KUBECONFIG="$(kind get kubeconfig-path --name="kind")" $ docker buildx create --driver kubernetes --driver-opt replicas=3 --use $ docker buildx build -t foo --load . `--load` loads the image into the local Docker. Driver opts: - `image=IMAGE` - Sets the container image to be used for running buildkit. - `namespace=NS` - Sets the Kubernetes namespace. Defaults to the current namespace. - `replicas=N` - Sets the number of `Pod` replicas. Defaults to 1. - `rootless=(true|false)` - Run the container as a non-root user without `securityContext.privileged`. Defaults to false. - `loadbalance=(sticky|random)` - Load-balancing strategy. If set to "sticky", the pod is chosen using the hash of the context path. Defaults to "sticky" Signed-off-by: Akihiro Suda <akihiro.suda.cz@hco.ntt.co.jp>
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81
vendor/k8s.io/client-go/discovery/unstructured.go
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vendor/k8s.io/client-go/discovery/unstructured.go
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/*
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Copyright 2016 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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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,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package discovery
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import (
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"reflect"
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"k8s.io/apimachinery/pkg/runtime"
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"k8s.io/apimachinery/pkg/runtime/schema"
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)
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// UnstructuredObjectTyper provides a runtime.ObjectTyper implementation for
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// runtime.Unstructured object based on discovery information.
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type UnstructuredObjectTyper struct {
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typers []runtime.ObjectTyper
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}
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// NewUnstructuredObjectTyper returns a runtime.ObjectTyper for
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// unstructured objects based on discovery information. It accepts a list of fallback typers
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// for handling objects that are not runtime.Unstructured. It does not delegate the Recognizes
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// check, only ObjectKinds.
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// TODO this only works for the apiextensions server and doesn't recognize any types. Move to point of use.
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func NewUnstructuredObjectTyper(typers ...runtime.ObjectTyper) *UnstructuredObjectTyper {
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dot := &UnstructuredObjectTyper{
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typers: typers,
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}
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return dot
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}
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// ObjectKinds returns a slice of one element with the group,version,kind of the
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// provided object, or an error if the object is not runtime.Unstructured or
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// has no group,version,kind information. unversionedType will always be false
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// because runtime.Unstructured object should always have group,version,kind
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// information set.
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func (d *UnstructuredObjectTyper) ObjectKinds(obj runtime.Object) (gvks []schema.GroupVersionKind, unversionedType bool, err error) {
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if _, ok := obj.(runtime.Unstructured); ok {
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gvk := obj.GetObjectKind().GroupVersionKind()
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if len(gvk.Kind) == 0 {
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return nil, false, runtime.NewMissingKindErr("object has no kind field ")
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}
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if len(gvk.Version) == 0 {
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return nil, false, runtime.NewMissingVersionErr("object has no apiVersion field")
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}
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return []schema.GroupVersionKind{gvk}, false, nil
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}
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var lastErr error
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for _, typer := range d.typers {
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gvks, unversioned, err := typer.ObjectKinds(obj)
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if err != nil {
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lastErr = err
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continue
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}
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return gvks, unversioned, nil
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}
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if lastErr == nil {
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lastErr = runtime.NewNotRegisteredErrForType(reflect.TypeOf(obj))
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}
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return nil, false, lastErr
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}
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// Recognizes returns true if the provided group,version,kind was in the
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// discovery information.
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func (d *UnstructuredObjectTyper) Recognizes(gvk schema.GroupVersionKind) bool {
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return false
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}
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var _ runtime.ObjectTyper = &UnstructuredObjectTyper{}
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