infrastructure/k8s-csi-s3
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Implement mounting via stage directory

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Previously, multiple containers with the same mounted volume resulted in multiple
FUSE processes. This behaviour was breaking parallel modifications from different
containers, consumed extra resources, and after mounting via systemd was introduced,
led to the total inability to mount the same volume into multiple containers on
the same host.

Now only one FUSE process is started per volume, per host.
This commit is contained in:
Vitaliy Filippov 2023-03-07 00:41:41 +03:00
parent 1305b20bae
commit ecf1031dfc
7 changed files with 100 additions and 57 deletions
pkg/mounter
s3fs.go

10
pkg/mounter/s3fs.go
View file

@ -28,15 +28,7 @@ func newS3fsMounter(meta *s3.FSMeta, cfg *s3.Config) (Mounter, error) {
}, nil
}
func (s3fs *s3fsMounter) Stage(stageTarget string) error {
return nil
}
func (s3fs *s3fsMounter) Unstage(stageTarget string) error {
return nil
}
func (s3fs *s3fsMounter) Mount(source, target, volumeID string) error {
func (s3fs *s3fsMounter) Mount(target, volumeID string) error {
if err := writes3fsPass(s3fs.pwFileContent); err != nil {
return err
}