Add support to mount pod shared tmpfs mounts

Parse annotations containing 'gvisor.dev/spec/mount' that gives
hints about how mounts are shared between containers inside a
pod. This information can be used to better inform how to mount
these volumes inside gVisor. For example, a volume that is shared
between containers inside a pod can be bind mounted inside the
sandbox, instead of being two independent mounts.

For now, this information is used to allow the same tmpfs mounts
to be shared between containers which wasn't possible before.

PiperOrigin-RevId: 252704037

1 files changed, 2 insertions, 2 deletions

diff --git a/runsc/boot/loader_test.go b/runsc/boot/loader_test.go
index 6393cb3fb..2f2499811 100644
--- a/runsc/boot/loader_test.go
+++ b/runsc/boot/loader_test.go
@@ -404,7 +404,7 @@ func TestCreateMountNamespace(t *testing.T) {
 				mns = m
 				ctx.(*contexttest.TestContext).RegisterValue(fs.CtxRoot, mns.Root())
 			}
-			mntr := newContainerMounter(&tc.spec, "", []int{sandEnd}, nil)
+			mntr := newContainerMounter(&tc.spec, "", []int{sandEnd}, nil, &podMountHints{})
 			if err := mntr.setupRootContainer(ctx, ctx, conf, setMountNS); err != nil {
 				t.Fatalf("createMountNamespace test case %q failed: %v", tc.name, err)
 			}
@@ -610,7 +610,7 @@ func TestRestoreEnvironment(t *testing.T) {
 	for _, tc := range testCases {
 		t.Run(tc.name, func(t *testing.T) {
 			conf := testConfig()
-			mntr := newContainerMounter(tc.spec, "", tc.ioFDs, nil)
+			mntr := newContainerMounter(tc.spec, "", tc.ioFDs, nil, &podMountHints{})
 			actualRenv, err := mntr.createRestoreEnvironment(conf)
 			if !tc.errorExpected && err != nil {
 				t.Fatalf("could not create restore environment for test:%s", tc.name)