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kform_dir_reader.go
96 lines (83 loc) · 2.3 KB
/
kform_dir_reader.go
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/*
Copyright 2024 Nokia.
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 pkgio
import (
"context"
"errors"
"sync"
"github.com/henderiw/store"
"github.com/henderiw/store/memory"
kformv1alpha1 "github.com/kform-dev/kform/apis/pkg/v1alpha1"
"github.com/kform-dev/kform/pkg/fsys"
"github.com/kform-dev/kform/pkg/pkgio/ignore"
"sigs.k8s.io/kustomize/kyaml/yaml"
)
// only read yaml
type KformDirReader struct {
Path string
Input bool
}
func (r *KformDirReader) Read(ctx context.Context) (store.Storer[*yaml.RNode], error) {
fsys := fsys.NewDiskFS(r.Path)
ignoreRules := ignore.Empty(IgnoreFileMatch[0])
f, err := fsys.Open(IgnoreFileMatch[0])
if err == nil {
// if an error is return the rules is empty, so we dont have to worry about the error
ignoreRules, _ = ignore.Parse(f)
}
dirReader := &DirReader{
Path: r.Path,
Fsys: fsys,
MatchFilesGlob: YAMLMatch,
IgnoreRules: ignoreRules,
SkipDir: true, // a package is contained within a single directory, recursion is not needed
}
paths, err := dirReader.getPaths(ctx)
if err != nil {
return nil, err
}
datastore := memory.NewStore[*yaml.RNode]()
var errm error
var wg sync.WaitGroup
for _, path := range paths {
path := path
wg.Add(1)
go func() {
defer wg.Done()
annotations := map[string]string{}
if r.Input {
annotations[kformv1alpha1.KformAnnotationKey_BLOCK_TYPE] = kformv1alpha1.BlockTYPE_INPUT.String()
}
f, err := fsys.Open(path)
if err != nil {
errors.Join(errm, err)
return
}
defer f.Close()
reader := YAMLReader{
Reader: f,
Path: path,
Annotations: annotations,
DataStore: datastore,
}
if _, err = reader.Read(ctx); err != nil {
errors.Join(errm, err)
}
}()
}
wg.Wait()
if errm != nil {
return datastore, errm
}
return datastore, nil
}