// It appears that sometimes the lock is not cleared when we expect it to be.
// Capture and log any errors from the Unlock method and retry a few times.
func unlockEnvironmentLock(lock *fslock.Lock) {
attempts := utils.AttemptStrategy{
Delay: 50 * time.Millisecond,
Min: 10,
}
var err error
for a := attempts.Start(); a.Next(); {
err = lock.Unlock()
if err == nil {
return
}
if a.HasNext() {
logger.Debugf("failed to unlock configstore lock: %s, retrying", err)
}
}
logger.Errorf("unable to unlock configstore lock: %s", err)
}
func assertCanLock(c *gc.C, lock *fslock.Lock) {
err := lock.Lock("")
c.Assert(err, gc.IsNil)
c.Assert(lock.IsLocked(), gc.Equals, true)
}