mirror of
https://gitea.com/Lydanne/buildx.git
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6b65b0c982
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>
102 lines
2.9 KiB
Go
102 lines
2.9 KiB
Go
// Copyright 2017 Google Inc. All Rights Reserved.
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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package compiler
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import (
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"bytes"
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"fmt"
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"os/exec"
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"strings"
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"errors"
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"github.com/golang/protobuf/proto"
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"github.com/golang/protobuf/ptypes/any"
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ext_plugin "github.com/googleapis/gnostic/extensions"
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yaml "gopkg.in/yaml.v2"
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)
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// ExtensionHandler describes a binary that is called by the compiler to handle specification extensions.
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type ExtensionHandler struct {
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Name string
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}
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// HandleExtension calls a binary extension handler.
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func HandleExtension(context *Context, in interface{}, extensionName string) (bool, *any.Any, error) {
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handled := false
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var errFromPlugin error
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var outFromPlugin *any.Any
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if context != nil && context.ExtensionHandlers != nil && len(*(context.ExtensionHandlers)) != 0 {
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for _, customAnyProtoGenerator := range *(context.ExtensionHandlers) {
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outFromPlugin, errFromPlugin = customAnyProtoGenerator.handle(in, extensionName)
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if outFromPlugin == nil {
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continue
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} else {
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handled = true
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break
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}
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}
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}
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return handled, outFromPlugin, errFromPlugin
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}
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func (extensionHandlers *ExtensionHandler) handle(in interface{}, extensionName string) (*any.Any, error) {
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if extensionHandlers.Name != "" {
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binary, _ := yaml.Marshal(in)
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request := &ext_plugin.ExtensionHandlerRequest{}
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version := &ext_plugin.Version{}
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version.Major = 0
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version.Minor = 1
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version.Patch = 0
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request.CompilerVersion = version
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request.Wrapper = &ext_plugin.Wrapper{}
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request.Wrapper.Version = "v2"
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request.Wrapper.Yaml = string(binary)
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request.Wrapper.ExtensionName = extensionName
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requestBytes, _ := proto.Marshal(request)
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cmd := exec.Command(extensionHandlers.Name)
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cmd.Stdin = bytes.NewReader(requestBytes)
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output, err := cmd.Output()
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if err != nil {
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fmt.Printf("Error: %+v\n", err)
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return nil, err
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}
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response := &ext_plugin.ExtensionHandlerResponse{}
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err = proto.Unmarshal(output, response)
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if err != nil {
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fmt.Printf("Error: %+v\n", err)
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fmt.Printf("%s\n", string(output))
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return nil, err
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}
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if !response.Handled {
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return nil, nil
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}
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if len(response.Error) != 0 {
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message := fmt.Sprintf("Errors when parsing: %+v for field %s by vendor extension handler %s. Details %+v", in, extensionName, extensionHandlers.Name, strings.Join(response.Error, ","))
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return nil, errors.New(message)
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}
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return response.Value, nil
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}
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return nil, nil
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}
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