82ab4b0983
This also adds some generic handling of stale umounts. Fuse returns immediately and does not indicate that the mounter has finished writing to the backend. The process finding is sort of hacky as I could not find a better way to get to the PID from a fuse mount.
66 lines
1.4 KiB
Go
66 lines
1.4 KiB
Go
package s3
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import (
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"fmt"
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"os"
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)
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// Implements Mounter
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type s3fsMounter struct {
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bucket string
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url string
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region string
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pwFileContent string
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}
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const (
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s3fsCmd = "s3fs"
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)
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func newS3fsMounter(bucket string, cfg *Config) (Mounter, error) {
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return &s3fsMounter{
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bucket: bucket,
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url: cfg.Endpoint,
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region: cfg.Region,
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pwFileContent: cfg.AccessKeyID + ":" + cfg.SecretAccessKey,
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}, nil
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}
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func (s3fs *s3fsMounter) Format() error {
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return nil
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}
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func (s3fs *s3fsMounter) Mount(targetPath string) error {
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if err := writes3fsPass(s3fs.pwFileContent); err != nil {
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return err
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}
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args := []string{
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fmt.Sprintf("%s", s3fs.bucket),
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fmt.Sprintf("%s", targetPath),
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"-o", "sigv2",
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"-o", "use_path_request_style",
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"-o", fmt.Sprintf("url=%s", s3fs.url),
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"-o", fmt.Sprintf("endpoint=%s", s3fs.region),
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"-o", "allow_other",
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"-o", "mp_umask=000",
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}
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return fuseMount(targetPath, s3fsCmd, args)
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}
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func (s3fs *s3fsMounter) Unmount(targetPath string) error {
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return fuseUnmount(targetPath, s3fsCmd)
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}
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func writes3fsPass(pwFileContent string) error {
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pwFileName := fmt.Sprintf("%s/.passwd-s3fs", os.Getenv("HOME"))
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pwFile, err := os.OpenFile(pwFileName, os.O_RDWR|os.O_CREATE, 0600)
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if err != nil {
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return err
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}
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_, err = pwFile.WriteString(pwFileContent)
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if err != nil {
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return err
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}
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pwFile.Close()
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return nil
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}
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