From 5ad955ef07d2124d408809cd3882983db9b96392 Mon Sep 17 00:00:00 2001
From: Alex Dadgar <alex.dadgar@gmail.com>
Date: Thu, 10 Aug 2017 13:28:17 -0700
Subject: [PATCH] Unmount task directories when alloc is terminal

This PR unmounts directories from tasks when the alloc is terminal
rather than when it is garbage collected.

/cc @angrycub
---
 client/alloc_runner.go | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/client/alloc_runner.go b/client/alloc_runner.go
index 8b12c93c933c..3782f6039410 100644
--- a/client/alloc_runner.go
+++ b/client/alloc_runner.go
@@ -920,6 +920,12 @@ func (r *AllocRunner) handleDestroy() {
 			r.allocID, err)
 	}
 
+	// Unmount any mounted directories as no tasks are running and makes
+	// cleaning up Nomad's data directory simpler.
+	if err := r.allocDir.UnmountAll(); err != nil {
+		r.logger.Printf("[ERR] client: alloc %q unable unmount task directories: %v", r.allocID, err)
+	}
+
 	for {
 		select {
 		case <-r.ctx.Done():