124 lines
3.3 KiB
Go
124 lines
3.3 KiB
Go
/*
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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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https://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 main
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import (
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"errors"
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"fmt"
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"os"
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"path/filepath"
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"sigs.k8s.io/kustomize/api/provider"
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"sigs.k8s.io/kustomize/api/resmap"
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"sigs.k8s.io/kustomize/kyaml/fn/framework"
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"sigs.k8s.io/kustomize/kyaml/fn/framework/command"
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"sigs.k8s.io/kustomize/kyaml/fn/runtime/runtimeutil"
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"sigs.k8s.io/kustomize/kyaml/yaml"
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"opendev.org/airship/airshipctl/pkg/api/v1alpha1"
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"opendev.org/airship/airshipctl/pkg/bootstrap/cloudinit"
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"opendev.org/airship/airshipctl/pkg/document"
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"opendev.org/airship/airshipctl/pkg/util"
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)
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const (
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builderConfigFileName = "builder-conf.yaml"
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userDataFileName = "user-data"
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networkConfigFileName = "network-data"
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)
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func bundleFromRNodes(rnodes []*yaml.RNode) (document.Bundle, error) {
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p := provider.NewDefaultDepProvider()
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resmapFactory := resmap.NewFactory(p.GetResourceFactory())
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resmap, err := resmapFactory.NewResMapFromRNodeSlice(rnodes)
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if err != nil {
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return &document.BundleFactory{}, err
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}
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return &document.BundleFactory{
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ResMap: resmap,
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}, nil
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}
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func docFromRNode(rnode *yaml.RNode) (document.Document, error) {
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rnodes := []*yaml.RNode{rnode}
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bundle, err := bundleFromRNodes(rnodes)
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if err != nil {
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return nil, err
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}
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collection, err := bundle.GetAllDocuments()
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if err != nil {
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return nil, err
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}
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if len(collection) == 0 {
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return nil, errors.New("error while converting RNode to Document: empty document bundle")
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}
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return collection[0], nil
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}
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func main() {
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fn := func(rl *framework.ResourceList) error {
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functionConfigDocument, err := docFromRNode(rl.FunctionConfig)
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if err != nil {
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return err
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}
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functionConfigYaml, err := functionConfigDocument.AsYAML()
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if err != nil {
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return err
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}
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isoConfiguration := &v1alpha1.IsoConfiguration{}
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err = functionConfigDocument.ToAPIObject(isoConfiguration, v1alpha1.Scheme)
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if err != nil {
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return err
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}
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docBundle, err := bundleFromRNodes(rl.Items)
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if err != nil {
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return err
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}
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userData, netConf, err := cloudinit.GetCloudData(
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docBundle,
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isoConfiguration.Isogen.UserDataSelector,
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isoConfiguration.Isogen.UserDataKey,
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isoConfiguration.Isogen.NetworkConfigSelector,
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isoConfiguration.Isogen.NetworkConfigKey,
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)
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if err != nil {
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return err
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}
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functionSpec := runtimeutil.GetFunctionSpec(rl.FunctionConfig)
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configPath := functionSpec.Container.StorageMounts[0].DstPath
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fls := make(map[string][]byte)
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fls[filepath.Join(configPath, userDataFileName)] = userData
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fls[filepath.Join(configPath, networkConfigFileName)] = netConf
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fls[filepath.Join(configPath, builderConfigFileName)] = functionConfigYaml
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if err = util.WriteFiles(fls, 0600); err != nil {
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return err
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}
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rl.Items = []*yaml.RNode{}
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return nil
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}
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cmd := command.Build(framework.ResourceListProcessorFunc(fn), command.StandaloneEnabled, false)
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if err := cmd.Execute(); err != nil {
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fmt.Println(err)
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os.Exit(1)
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}
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}
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