101 lines
2.1 KiB
Go
101 lines
2.1 KiB
Go
// Copyright 2024 Matthew Rich <matthewrich.conf@gmail.com>. All rights reserved.
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package source
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import (
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_ "context"
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_ "encoding/json"
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_ "fmt"
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_ "gopkg.in/yaml.v3"
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"net/url"
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"path/filepath"
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"decl/internal/resource"
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"regexp"
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"os"
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"io"
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"compress/gzip"
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"errors"
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"log/slog"
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)
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type DeclFile struct {
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Path string `yaml:"path" json:"path"`
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}
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func NewDeclFile() *DeclFile {
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return &DeclFile{}
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}
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func init() {
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SourceTypes.Register([]string{"decl"}, func(u *url.URL) DocSource {
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t := NewDeclFile()
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t.Path,_ = filepath.Abs(filepath.Join(u.Hostname(), u.RequestURI()))
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return t
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})
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SourceTypes.Register([]string{"yaml","yml","yaml.gz","yml.gz"}, func(u *url.URL) DocSource {
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t := NewDeclFile()
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if u.Scheme == "file" {
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fileAbsolutePath, _ := filepath.Abs(filepath.Join(u.Hostname(), u.RequestURI()))
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t.Path = fileAbsolutePath
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} else {
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t.Path = filepath.Join(u.Hostname(), u.Path)
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}
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return t
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})
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}
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func (d *DeclFile) Type() string { return "decl" }
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func (d *DeclFile) ExtractResources(filter ResourceSelector) ([]*resource.Document, error) {
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documents := make([]*resource.Document, 0, 100)
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documents = append(documents, resource.NewDocument())
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GzipFileName := regexp.MustCompile(`^.*\.gz$`)
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file, fileErr := os.Open(d.Path)
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if fileErr != nil {
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return documents, fileErr
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}
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var fileReader io.Reader
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if GzipFileName.FindString(d.Path) == d.Path {
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slog.Info("decompressing gzip", "path", d.Path)
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zr, err := gzip.NewReader(file)
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if err != nil {
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return documents, err
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}
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fileReader = zr
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} else {
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fileReader = file
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}
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decoder := resource.NewYAMLDecoder(fileReader)
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index := 0
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for {
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doc := documents[index]
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e := decoder.Decode(doc)
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if errors.Is(e, io.EOF) {
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if len(documents) > 1 {
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documents[index] = nil
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}
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break
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}
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if e != nil {
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return documents, e
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}
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if validationErr := doc.Validate(); validationErr != nil {
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return documents, validationErr
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}
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/*
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if applyErr := doc.Apply(); applyErr != nil {
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return documents, applyErr
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}
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*/
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documents = append(documents, resource.NewDocument())
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index++
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}
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return documents, nil
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}
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