mirror of
https://github.com/kubesphere/kubekey.git
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e40c57fb9f
Signed-off-by: joyceliu <joyceliu@yunify.com> Co-authored-by: joyceliu <joyceliu@yunify.com>
98 lines
2.5 KiB
Go
98 lines
2.5 KiB
Go
/*
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Copyright 2023 The KubeSphere 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 source
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import (
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"bytes"
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"os"
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"path/filepath"
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"strings"
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"github.com/cockroachdb/errors"
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"gopkg.in/yaml.v3"
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)
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const (
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prefixYAML = "# Generate by variable\n"
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)
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var _ Source = &fileSource{}
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// NewFileSource returns a new fileSource.
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func NewFileSource(path string) (Source, error) {
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if _, err := os.Stat(path); err != nil {
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if err := os.MkdirAll(path, os.ModePerm); err != nil {
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return nil, errors.Wrapf(err, "failed to create source path %q", path)
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}
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}
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return &fileSource{path: path}, nil
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}
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type fileSource struct {
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path string
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}
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func (f *fileSource) Read() (map[string]map[string]any, error) {
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de, err := os.ReadDir(f.path)
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if err != nil {
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return nil, errors.Wrapf(err, "failed to read dir %s", f.path)
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}
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result := make(map[string]map[string]any)
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for _, entry := range de {
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if entry.IsDir() {
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continue
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}
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// only read json data
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if strings.HasSuffix(entry.Name(), ".yaml") {
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fdata, err := os.ReadFile(filepath.Join(f.path, entry.Name()))
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if err != nil {
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return nil, errors.Wrapf(err, "failed to read file %q", entry.Name())
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}
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if bytes.HasPrefix(fdata, []byte(prefixYAML)) {
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var data map[string]any
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if err := yaml.Unmarshal(fdata, data); err != nil {
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return nil, errors.Wrapf(err, "failed to unmarshal file %q", entry.Name())
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}
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result[strings.TrimSuffix(entry.Name(), ".yaml")] = data
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}
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}
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}
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return result, nil
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}
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func (f *fileSource) Write(data map[string]any, host string) error {
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filename := host + ".yaml"
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file, err := os.Create(filepath.Join(f.path, filename))
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if err != nil {
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return errors.Wrapf(err, "failed to create file %q", filename)
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}
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defer file.Close()
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// convert to yaml file
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fdata, err := yaml.Marshal(data)
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if err != nil {
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return errors.Wrapf(err, "failed to marshal file %q", filename)
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}
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if _, err := file.Write(append([]byte(prefixYAML), fdata...)); err != nil {
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return errors.Wrapf(err, "failed to write file %q", filename)
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}
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return nil
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}
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