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Copy pathup.go
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Copy pathup.go
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206 lines (174 loc) · 3.88 KB
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package controller
import (
"archive/tar"
"bytes"
"compress/gzip"
"context"
"fmt"
"io"
"io/fs"
"os"
"path/filepath"
"strings"
"github.com/railwayapp/cli/entity"
gitignore "github.com/railwayapp/cli/gateway"
)
var validIgnoreFile = map[string]bool{
".gitignore": true,
".railwayignore": true,
}
var skipDirs = []string{
".git",
"node_modules",
}
type ignoreFile struct {
prefix string
ignore *gitignore.GitIgnore
}
func scanIgnoreFiles(src string) ([]ignoreFile, error) {
ignoreFiles := []ignoreFile{}
if err := filepath.WalkDir(src, func(path string, d fs.DirEntry, err error) error {
if err != nil {
return err
}
if d.IsDir() {
// no sense scanning for ignore files in skipped dirs
for _, s := range skipDirs {
if filepath.Base(path) == s {
return filepath.SkipDir
}
}
return nil
}
fname := filepath.Base(path)
if validIgnoreFile[fname] {
igf, err := gitignore.CompileIgnoreFile(path)
if err != nil {
return err
}
prefix := filepath.Dir(path)
if prefix == "." {
prefix = "" // Handle root dir properly.
}
ignoreFiles = append(ignoreFiles, ignoreFile{
prefix: prefix,
ignore: igf,
})
}
return nil
}); err != nil {
return nil, err
}
return ignoreFiles, nil
}
func compress(src string, buf io.Writer) error {
// tar > gzip > buf
zr := gzip.NewWriter(buf)
tw := tar.NewWriter(zr)
// find all ignore files, including those in subdirs
ignoreFiles, err := scanIgnoreFiles(src)
if err != nil {
return err
}
// walk through every file in the folder
err = filepath.WalkDir(src, func(file string, de os.DirEntry, passedErr error) error {
if passedErr != nil {
return err
}
if de.IsDir() {
// skip directories if we can (for perf)
// e.g., want to avoid walking node_modules dir
for _, s := range skipDirs {
if filepath.Base(file) == s {
return filepath.SkipDir
}
}
return nil
}
// follow symlinks by default
ln, err := filepath.EvalSymlinks(file)
if err != nil {
return err
}
// get info about the file the link points at
fi, err := os.Lstat(ln)
if err != nil {
return err
}
for _, igf := range ignoreFiles {
if strings.HasPrefix(file, igf.prefix) { // if ignore file applicable
trimmed := strings.TrimPrefix(file, igf.prefix)
if igf.ignore.MatchesPath(trimmed) {
return nil
}
}
}
// read file into a buffer to prevent tar overwrites
data := bytes.NewBuffer(nil)
f, err := os.Open(ln)
if err != nil {
return err
}
_, err = io.Copy(data, f)
if err != nil {
return err
}
// close the file to avoid hitting fd limit
if err := f.Close(); err != nil {
return err
}
// generate tar headers
header, err := tar.FileInfoHeader(fi, ln)
if err != nil {
return err
}
// must provide real name
// (see https://golang.org/src/archive/tar/common.go?#L626)
header.Name = filepath.ToSlash(file)
// size when we first observed the file
header.Size = int64(data.Len())
// write header
if err := tw.WriteHeader(header); err != nil {
return err
}
// not a dir, write file content
if _, err := io.Copy(tw, data); err != nil {
return err
}
return err
})
if err != nil {
return err
}
// produce tar
if err := tw.Close(); err != nil {
return err
}
// produce gzip
if err := zr.Close(); err != nil {
return err
}
return nil
}
func (c *Controller) Upload(
ctx context.Context,
req *entity.UploadRequest,
) (*entity.UpResponse, error) {
var buf bytes.Buffer
if err := compress(req.RootDir, &buf); err != nil {
return nil, err
}
res, err := c.gtwy.Up(ctx, &entity.UpRequest{
Data: buf,
ProjectID: req.ProjectID,
EnvironmentID: req.EnvironmentID,
ServiceID: req.ServiceID,
})
if err != nil {
return nil, err
}
return res, nil
}
func (c *Controller) GetFullUrlFromStaticUrl(staticUrl string) string {
return fmt.Sprintf("https://%s", staticUrl)
}