// enumberates volumes and builds refCountsMap, then sync with mount info
func (r refCountsMap) discoverAndSync(c *client.Client, d *vmdkDriver) error {
// we assume to have empty refcounts. Let's enforce
for name := range r {
delete(r, name)
}
filters := filters.NewArgs()
filters.Add("status", "running")
filters.Add("status", "paused")
filters.Add("status", "restarting")
containers, err := c.ContainerList(context.Background(), types.ContainerListOptions{
All: true,
Filter: filters,
})
if err != nil {
return err
}
log.Debugf("Found %d running or paused containers", len(containers))
for _, ct := range containers {
containerJSONInfo, err := c.ContainerInspect(context.Background(), ct.ID)
if err != nil {
log.Errorf("ContainerInspect failed for %s (err: %v)", ct.Names, err)
continue
}
log.Debugf(" Mounts for %v", ct.Names)
for _, mount := range containerJSONInfo.Mounts {
if mount.Driver == driverName {
r.incr(mount.Name)
log.Debugf(" name=%v (driver=%s source=%s)",
mount.Name, mount.Driver, mount.Source)
}
}
}
// Check that refcounts and actual mount info from Linux match
// If they don't, unmount unneeded stuff, or yell if something is
// not mounted but should be (it's error. we should not get there)
r.getMountInfo()
r.syncMountsWithRefCounters(d)
return nil
}
