| // Copyright 2015 The Vanadium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style |
| // license that can be found in the LICENSE file. |
| |
| package mounttablelib |
| |
| import ( |
| "errors" |
| "fmt" |
| "io" |
| "reflect" |
| "runtime/debug" |
| "sort" |
| "testing" |
| "time" |
| |
| "v.io/v23" |
| "v.io/v23/context" |
| "v.io/v23/naming" |
| "v.io/v23/options" |
| "v.io/v23/rpc" |
| "v.io/v23/security" |
| "v.io/v23/security/access" |
| "v.io/v23/services/stats" |
| "v.io/v23/vdl" |
| "v.io/x/lib/vlog" |
| |
| "v.io/x/ref/services/debug/debuglib" |
| "v.io/x/ref/test" |
| "v.io/x/ref/test/testutil" |
| ) |
| |
| // Simulate different processes with different runtimes. |
| // rootCtx is the one running the mounttable service. |
| const ttlSecs = 60 * 60 |
| |
| func boom(t *testing.T, f string, v ...interface{}) { |
| t.Logf(f, v...) |
| t.Fatal(string(debug.Stack())) |
| } |
| |
| func doMount(t *testing.T, ctx *context.T, ep, suffix, service string, shouldSucceed bool) { |
| name := naming.JoinAddressName(ep, suffix) |
| client := v23.GetClient(ctx) |
| if err := client.Call(ctx, name, "Mount", []interface{}{service, uint32(ttlSecs), 0}, nil, options.NoResolve{}); err != nil { |
| if !shouldSucceed { |
| return |
| } |
| boom(t, "Failed to Mount %s onto %s: %s", service, name, err) |
| } |
| } |
| |
| func doUnmount(t *testing.T, ctx *context.T, ep, suffix, service string, shouldSucceed bool) { |
| name := naming.JoinAddressName(ep, suffix) |
| client := v23.GetClient(ctx) |
| if err := client.Call(ctx, name, "Unmount", []interface{}{service}, nil, options.NoResolve{}); err != nil { |
| if !shouldSucceed { |
| return |
| } |
| boom(t, "Failed to Unmount %s off of %s: %s", service, name, err) |
| } |
| } |
| |
| func doGetPermissions(t *testing.T, ctx *context.T, ep, suffix string, shouldSucceed bool) (perms access.Permissions, version string) { |
| name := naming.JoinAddressName(ep, suffix) |
| client := v23.GetClient(ctx) |
| if err := client.Call(ctx, name, "GetPermissions", nil, []interface{}{&perms, &version}, options.NoResolve{}); err != nil { |
| if !shouldSucceed { |
| return |
| } |
| boom(t, "Failed to GetPermissions %s: %s", name, err) |
| } |
| return |
| } |
| |
| func doSetPermissions(t *testing.T, ctx *context.T, ep, suffix string, perms access.Permissions, version string, shouldSucceed bool) { |
| name := naming.JoinAddressName(ep, suffix) |
| client := v23.GetClient(ctx) |
| if err := client.Call(ctx, name, "SetPermissions", []interface{}{perms, version}, nil, options.NoResolve{}); err != nil { |
| if !shouldSucceed { |
| return |
| } |
| boom(t, "Failed to SetPermissions %s: %s", name, err) |
| } |
| } |
| |
| func doDeleteNode(t *testing.T, ctx *context.T, ep, suffix string, shouldSucceed bool) { |
| name := naming.JoinAddressName(ep, suffix) |
| client := v23.GetClient(ctx) |
| if err := client.Call(ctx, name, "Delete", []interface{}{false}, nil, options.NoResolve{}); err != nil { |
| if !shouldSucceed { |
| return |
| } |
| boom(t, "Failed to Delete node %s: %s", name, err) |
| } |
| } |
| |
| func doDeleteSubtree(t *testing.T, ctx *context.T, ep, suffix string, shouldSucceed bool) { |
| name := naming.JoinAddressName(ep, suffix) |
| client := v23.GetClient(ctx) |
| if err := client.Call(ctx, name, "Delete", []interface{}{true}, nil, options.NoResolve{}); err != nil { |
| if !shouldSucceed { |
| return |
| } |
| boom(t, "Failed to Delete subtree %s: %s", name, err) |
| } |
| } |
| |
| func mountentry2names(e *naming.MountEntry) []string { |
| names := make([]string, len(e.Servers)) |
| for idx, s := range e.Servers { |
| names[idx] = naming.JoinAddressName(s.Server, e.Name) |
| } |
| return names |
| } |
| |
| func strslice(strs ...string) []string { |
| return strs |
| } |
| |
| func resolve(ctx *context.T, name string) (*naming.MountEntry, error) { |
| // Resolve the name one level. |
| var entry naming.MountEntry |
| client := v23.GetClient(ctx) |
| if err := client.Call(ctx, name, "ResolveStep", nil, []interface{}{&entry}, options.NoResolve{}); err != nil { |
| return nil, err |
| } |
| if len(entry.Servers) < 1 { |
| return nil, errors.New("resolve returned no servers") |
| } |
| return &entry, nil |
| } |
| |
| func export(t *testing.T, ctx *context.T, name, contents string) { |
| // Resolve the name. |
| resolved, err := resolve(ctx, name) |
| if err != nil { |
| boom(t, "Failed to Export.Resolve %s: %s", name, err) |
| } |
| // Export the value. |
| client := v23.GetClient(ctx) |
| if err := client.Call(ctx, mountentry2names(resolved)[0], "Export", []interface{}{contents, true}, nil, options.NoResolve{}); err != nil { |
| boom(t, "Failed to Export.Call %s to %s: %s", name, contents, err) |
| } |
| } |
| |
| func checkContents(t *testing.T, ctx *context.T, name, expected string, shouldSucceed bool) { |
| // Resolve the name. |
| resolved, err := resolve(ctx, name) |
| if err != nil { |
| if !shouldSucceed { |
| return |
| } |
| boom(t, "Failed to Resolve %s: %s", name, err) |
| } |
| // Look up the value. |
| client := v23.GetClient(ctx) |
| call, err := client.StartCall(ctx, mountentry2names(resolved)[0], "Lookup", nil, options.NoResolve{}) |
| if err != nil { |
| if shouldSucceed { |
| boom(t, "Failed Lookup.StartCall %s: %s", name, err) |
| } |
| return |
| } |
| var contents []byte |
| if err := call.Finish(&contents); err != nil { |
| if shouldSucceed { |
| boom(t, "Failed to Lookup %s: %s", name, err) |
| } |
| return |
| } |
| if string(contents) != expected { |
| boom(t, "Lookup %s, expected %q, got %q", name, expected, contents) |
| } |
| if !shouldSucceed { |
| boom(t, "Lookup %s, expected failure, got %q", name, contents) |
| } |
| } |
| |
| func newMT(t *testing.T, permsFile, persistDir string, rootCtx *context.T) (rpc.Server, string) { |
| reservedDisp := debuglib.NewDispatcher(vlog.Log.LogDir, nil) |
| ctx := v23.WithReservedNameDispatcher(rootCtx, reservedDisp) |
| server, err := v23.NewServer(ctx, options.ServesMountTable(true)) |
| if err != nil { |
| boom(t, "r.NewServer: %s", err) |
| } |
| // Add mount table service. |
| mt, err := NewMountTableDispatcher(permsFile, persistDir, "mounttable") |
| if err != nil { |
| boom(t, "NewMountTableDispatcher: %v", err) |
| } |
| // Start serving on a loopback address. |
| eps, err := server.Listen(v23.GetListenSpec(ctx)) |
| if err != nil { |
| boom(t, "Failed to Listen mount table: %s", err) |
| } |
| if err := server.ServeDispatcher("", mt); err != nil { |
| boom(t, "Failed to register mock collection: %s", err) |
| } |
| estr := eps[0].String() |
| t.Logf("endpoint %s", estr) |
| return server, estr |
| } |
| |
| func newCollection(t *testing.T, rootCtx *context.T) (rpc.Server, string) { |
| server, err := v23.NewServer(rootCtx) |
| if err != nil { |
| boom(t, "r.NewServer: %s", err) |
| } |
| // Start serving on a loopback address. |
| eps, err := server.Listen(v23.GetListenSpec(rootCtx)) |
| if err != nil { |
| boom(t, "Failed to Listen mount table: %s", err) |
| } |
| // Add a collection service. This is just a service we can mount |
| // and test against. |
| cPrefix := "collection" |
| if err := server.ServeDispatcher(cPrefix, newCollectionServer()); err != nil { |
| boom(t, "Failed to register mock collection: %s", err) |
| } |
| estr := eps[0].String() |
| t.Logf("endpoint %s", estr) |
| return server, estr |
| } |
| |
| func TestMountTable(t *testing.T) { |
| rootCtx, aliceCtx, bobCtx, shutdown := initTest() |
| defer shutdown() |
| |
| mt, mtAddr := newMT(t, "testdata/test.perms", "", rootCtx) |
| defer mt.Stop() |
| collection, collectionAddr := newCollection(t, rootCtx) |
| defer collection.Stop() |
| |
| collectionName := naming.JoinAddressName(collectionAddr, "collection") |
| |
| // Mount the collection server into the mount table. |
| vlog.Infof("Mount the collection server into the mount table.") |
| doMount(t, rootCtx, mtAddr, "stuff", collectionName, true) |
| |
| // Create a few objects and make sure we can read them. |
| vlog.Infof("Create a few objects.") |
| export(t, rootCtx, naming.JoinAddressName(mtAddr, "stuff/the/rain"), "the rain") |
| export(t, rootCtx, naming.JoinAddressName(mtAddr, "stuff/in/spain"), "in spain") |
| export(t, rootCtx, naming.JoinAddressName(mtAddr, "stuff/falls"), "falls mainly on the plain") |
| vlog.Infof("Make sure we can read them.") |
| checkContents(t, rootCtx, naming.JoinAddressName(mtAddr, "stuff/the/rain"), "the rain", true) |
| checkContents(t, rootCtx, naming.JoinAddressName(mtAddr, "stuff/in/spain"), "in spain", true) |
| checkContents(t, rootCtx, naming.JoinAddressName(mtAddr, "stuff/falls"), "falls mainly on the plain", true) |
| checkContents(t, rootCtx, naming.JoinAddressName(mtAddr, "/stuff/falls"), "falls mainly on the plain", true) |
| checkContents(t, rootCtx, naming.JoinAddressName(mtAddr, "stuff/nonexistant"), "falls mainly on the plain", false) |
| checkContents(t, bobCtx, naming.JoinAddressName(mtAddr, "stuff/the/rain"), "the rain", true) |
| checkContents(t, aliceCtx, naming.JoinAddressName(mtAddr, "stuff/the/rain"), "the rain", false) |
| |
| // Test multiple mounts. |
| vlog.Infof("Multiple mounts.") |
| doMount(t, rootCtx, mtAddr, "a/b", collectionName, true) |
| doMount(t, rootCtx, mtAddr, "x/y", collectionName, true) |
| doMount(t, rootCtx, mtAddr, "alpha//beta", collectionName, true) |
| vlog.Infof("Make sure we can read them.") |
| checkContents(t, rootCtx, naming.JoinAddressName(mtAddr, "stuff/falls"), "falls mainly on the plain", true) |
| checkContents(t, rootCtx, naming.JoinAddressName(mtAddr, "a/b/falls"), "falls mainly on the plain", true) |
| checkContents(t, rootCtx, naming.JoinAddressName(mtAddr, "x/y/falls"), "falls mainly on the plain", true) |
| checkContents(t, rootCtx, naming.JoinAddressName(mtAddr, "alpha/beta/falls"), "falls mainly on the plain", true) |
| checkContents(t, aliceCtx, naming.JoinAddressName(mtAddr, "a/b/falls"), "falls mainly on the plain", true) |
| checkContents(t, bobCtx, naming.JoinAddressName(mtAddr, "a/b/falls"), "falls mainly on the plain", false) |
| |
| // Test getting/setting AccessLists. |
| perms, version := doGetPermissions(t, rootCtx, mtAddr, "stuff", true) |
| doSetPermissions(t, rootCtx, mtAddr, "stuff", perms, "xyzzy", false) // bad version |
| doSetPermissions(t, rootCtx, mtAddr, "stuff", perms, version, true) // correct version |
| _, nversion := doGetPermissions(t, rootCtx, mtAddr, "stuff", true) |
| if nversion == version { |
| boom(t, "version didn't change after SetPermissions: %s", nversion) |
| } |
| doSetPermissions(t, rootCtx, mtAddr, "stuff", perms, "", true) // no version |
| |
| // Bob should be able to create nodes under the mounttable root but not alice. |
| doSetPermissions(t, aliceCtx, mtAddr, "onlybob", perms, "", false) |
| doSetPermissions(t, bobCtx, mtAddr, "onlybob", perms, "", true) |
| |
| // Test that setting Permissions to permissions that don't include the the setter's |
| // blessings in Admin, automatically add their Blessings to Admin to prevent |
| // locking everyone out. |
| perms, _ = doGetPermissions(t, bobCtx, mtAddr, "onlybob", true) |
| noRootPerms := perms.Copy() |
| noRootPerms.Clear("bob", "Admin") |
| doSetPermissions(t, bobCtx, mtAddr, "onlybob", noRootPerms, "", true) |
| // This should succeed, because "bob" should automatically be added to "Admin" |
| // even though he cleared himself from "Admin". |
| doSetPermissions(t, bobCtx, mtAddr, "onlybob", perms, "", true) |
| // Test that adding a non-standard perms is normalized when retrieved. |
| admin := perms["Admin"] |
| admin.In = []security.BlessingPattern{"bob", "bob"} |
| perms["Admin"] = admin |
| doSetPermissions(t, bobCtx, mtAddr, "onlybob", perms, "", true) |
| perms, _ = doGetPermissions(t, bobCtx, mtAddr, "onlybob", true) |
| if got, want := perms["Admin"].In, []security.BlessingPattern{"bob"}; !reflect.DeepEqual(got, want) { |
| boom(t, "got %v, want %v", got, want) |
| } |
| |
| // Test generic unmount. |
| vlog.Info("Test generic unmount.") |
| doUnmount(t, rootCtx, mtAddr, "a/b", "", true) |
| checkContents(t, rootCtx, naming.JoinAddressName(mtAddr, "a/b/falls"), "falls mainly on the plain", false) |
| |
| // Test specific unmount. |
| vlog.Info("Test specific unmount.") |
| doMount(t, rootCtx, mtAddr, "a/b", collectionName, true) |
| doUnmount(t, rootCtx, mtAddr, "a/b", collectionName, true) |
| checkContents(t, rootCtx, naming.JoinAddressName(mtAddr, "a/b/falls"), "falls mainly on the plain", false) |
| |
| // Try timing out a mount. |
| vlog.Info("Try timing out a mount.") |
| ft := NewFakeTimeClock() |
| setServerListClock(ft) |
| doMount(t, rootCtx, mtAddr, "stuffWithTTL", collectionName, true) |
| checkContents(t, rootCtx, naming.JoinAddressName(mtAddr, "stuffWithTTL/the/rain"), "the rain", true) |
| ft.advance(time.Duration(ttlSecs+4) * time.Second) |
| checkContents(t, rootCtx, naming.JoinAddressName(mtAddr, "stuffWithTTL/the/rain"), "the rain", false) |
| |
| // Test unauthorized mount. |
| vlog.Info("Test unauthorized mount.") |
| doMount(t, bobCtx, mtAddr, "/a/b", collectionName, false) |
| doMount(t, aliceCtx, mtAddr, "/a/b", collectionName, false) |
| |
| doUnmount(t, bobCtx, mtAddr, "x/y", collectionName, false) |
| } |
| |
| func doGlobX(t *testing.T, ctx *context.T, ep, suffix, pattern string, joinServer bool) []string { |
| name := naming.JoinAddressName(ep, suffix) |
| client := v23.GetClient(ctx) |
| call, err := client.StartCall(ctx, name, rpc.GlobMethod, []interface{}{pattern}, options.NoResolve{}) |
| if err != nil { |
| boom(t, "Glob.StartCall %s %s: %s", name, pattern, err) |
| } |
| var reply []string |
| for { |
| var gr naming.GlobReply |
| err := call.Recv(&gr) |
| if err == io.EOF { |
| break |
| } |
| if err != nil { |
| boom(t, "Glob.StartCall %s: %s", name, pattern, err) |
| } |
| switch v := gr.(type) { |
| case naming.GlobReplyEntry: |
| if joinServer && len(v.Value.Servers) > 0 { |
| reply = append(reply, naming.JoinAddressName(v.Value.Servers[0].Server, v.Value.Name)) |
| } else { |
| reply = append(reply, v.Value.Name) |
| } |
| } |
| } |
| if err := call.Finish(); err != nil { |
| boom(t, "Glob.Finish %s: %s", name, pattern, err) |
| } |
| return reply |
| } |
| |
| func doGlob(t *testing.T, ctx *context.T, ep, suffix, pattern string) []string { |
| return doGlobX(t, ctx, ep, suffix, pattern, false) |
| } |
| |
| // checkMatch verified that the two slices contain the same string items, albeit |
| // not necessarily in the same order. Item repetitions are allowed, but their |
| // numbers need to match as well. |
| func checkMatch(t *testing.T, want []string, got []string) { |
| if len(want) == 0 && len(got) == 0 { |
| return |
| } |
| w := sort.StringSlice(want) |
| w.Sort() |
| g := sort.StringSlice(got) |
| g.Sort() |
| if !reflect.DeepEqual(w, g) { |
| boom(t, "Glob expected %v got %v", want, got) |
| } |
| } |
| |
| // checkExists makes sure a name exists (or not). |
| func checkExists(t *testing.T, ctx *context.T, ep, suffix string, shouldSucceed bool) { |
| x := doGlobX(t, ctx, ep, "", suffix, false) |
| if len(x) != 1 || x[0] != suffix { |
| if shouldSucceed { |
| boom(t, "Failed to find %s", suffix) |
| } |
| return |
| } |
| if !shouldSucceed { |
| boom(t, "%s exists but shouldn't", suffix) |
| } |
| } |
| |
| func TestGlob(t *testing.T) { |
| rootCtx, shutdown := test.InitForTest() |
| defer shutdown() |
| |
| server, estr := newMT(t, "", "", rootCtx) |
| defer server.Stop() |
| |
| // set up a mount space |
| fakeServer := naming.JoinAddressName(estr, "quux") |
| doMount(t, rootCtx, estr, "one/bright/day", fakeServer, true) |
| doMount(t, rootCtx, estr, "in/the/middle", fakeServer, true) |
| doMount(t, rootCtx, estr, "of/the/night", fakeServer, true) |
| |
| // Try various globs. |
| tests := []struct { |
| in string |
| expected []string |
| }{ |
| {"*", []string{"one", "in", "of"}}, |
| {"...", []string{"", "one", "in", "of", "one/bright", "in/the", "of/the", "one/bright/day", "in/the/middle", "of/the/night"}}, |
| {"*/...", []string{"one", "in", "of", "one/bright", "in/the", "of/the", "one/bright/day", "in/the/middle", "of/the/night"}}, |
| {"one/...", []string{"one", "one/bright", "one/bright/day"}}, |
| {"of/the/night/two/dead/boys", []string{"of/the/night"}}, |
| {"*/the", []string{"in/the", "of/the"}}, |
| {"*/the/...", []string{"in/the", "of/the", "in/the/middle", "of/the/night"}}, |
| {"o*", []string{"one", "of"}}, |
| {"", []string{""}}, |
| } |
| for _, test := range tests { |
| out := doGlob(t, rootCtx, estr, "", test.in) |
| checkMatch(t, test.expected, out) |
| } |
| |
| // Test Glob on a name that is under a mounted server. The result should the |
| // the address the mounted server with the extra suffix. |
| { |
| results := doGlobX(t, rootCtx, estr, "of/the/night/two/dead/boys/got/up/to/fight", "*", true) |
| if len(results) != 1 { |
| boom(t, "Unexpected number of results. Got %v, want 1", len(results)) |
| } |
| _, suffix := naming.SplitAddressName(results[0]) |
| if expected := "quux/two/dead/boys/got/up/to/fight"; suffix != expected { |
| boom(t, "Unexpected suffix. Got %v, want %v", suffix, expected) |
| } |
| } |
| } |
| |
| func TestAccessListTemplate(t *testing.T) { |
| rootCtx, aliceCtx, bobCtx, shutdown := initTest() |
| defer shutdown() |
| |
| server, estr := newMT(t, "testdata/test.perms", "", rootCtx) |
| defer server.Stop() |
| fakeServer := naming.JoinAddressName(estr, "quux") |
| |
| // Noone should be able to mount on someone else's names. |
| doMount(t, aliceCtx, estr, "users/ted", fakeServer, false) |
| doMount(t, bobCtx, estr, "users/carol", fakeServer, false) |
| doMount(t, rootCtx, estr, "users/george", fakeServer, false) |
| |
| // Anyone should be able to mount on their own names. |
| doMount(t, aliceCtx, estr, "users/alice", fakeServer, true) |
| doMount(t, bobCtx, estr, "users/bob", fakeServer, true) |
| doMount(t, rootCtx, estr, "users/root", fakeServer, true) |
| } |
| |
| func TestGlobAccessLists(t *testing.T) { |
| rootCtx, aliceCtx, bobCtx, shutdown := initTest() |
| defer shutdown() |
| |
| server, estr := newMT(t, "testdata/test.perms", "", rootCtx) |
| defer server.Stop() |
| |
| // set up a mount space |
| fakeServer := naming.JoinAddressName(estr, "quux") |
| doMount(t, aliceCtx, estr, "one/bright/day", fakeServer, false) // Fails because alice can't mount there. |
| doMount(t, bobCtx, estr, "one/bright/day", fakeServer, true) |
| doMount(t, rootCtx, estr, "a/b/c", fakeServer, true) |
| |
| // Try various globs. |
| tests := []struct { |
| ctx *context.T |
| in string |
| expected []string |
| }{ |
| {rootCtx, "*", []string{"one", "a", "stuff", "users"}}, |
| {aliceCtx, "*", []string{"one", "a", "users"}}, |
| {bobCtx, "*", []string{"one", "stuff", "users"}}, |
| // bob, alice, and root have different visibility to the space. |
| {rootCtx, "*/...", []string{"one", "a", "one/bright", "a/b", "one/bright/day", "a/b/c", "stuff", "users"}}, |
| {aliceCtx, "*/...", []string{"one", "a", "one/bright", "a/b", "one/bright/day", "a/b/c", "users"}}, |
| {bobCtx, "*/...", []string{"one", "one/bright", "one/bright/day", "stuff", "users"}}, |
| } |
| for _, test := range tests { |
| out := doGlob(t, test.ctx, estr, "", test.in) |
| checkMatch(t, test.expected, out) |
| } |
| } |
| |
| func TestCleanup(t *testing.T) { |
| rootCtx, shutdown := test.InitForTest() |
| defer shutdown() |
| |
| server, estr := newMT(t, "", "", rootCtx) |
| defer server.Stop() |
| |
| // Set up one mount. |
| fakeServer := naming.JoinAddressName(estr, "quux") |
| doMount(t, rootCtx, estr, "one/bright/day", fakeServer, true) |
| checkMatch(t, []string{"one", "one/bright", "one/bright/day"}, doGlob(t, rootCtx, estr, "", "*/...")) |
| |
| // After the unmount nothing should be left |
| doUnmount(t, rootCtx, estr, "one/bright/day", "", true) |
| checkMatch(t, nil, doGlob(t, rootCtx, estr, "", "*/...")) |
| |
| // Set up a mount, then set the AccessList. |
| doMount(t, rootCtx, estr, "one/bright/day", fakeServer, true) |
| checkMatch(t, []string{"one", "one/bright", "one/bright/day"}, doGlob(t, rootCtx, estr, "", "*/...")) |
| perms := access.Permissions{"Read": access.AccessList{In: []security.BlessingPattern{security.AllPrincipals}}} |
| doSetPermissions(t, rootCtx, estr, "one/bright", perms, "", true) |
| |
| // After the unmount we should still have everything above the AccessList. |
| doUnmount(t, rootCtx, estr, "one/bright/day", "", true) |
| checkMatch(t, []string{"one", "one/bright"}, doGlob(t, rootCtx, estr, "", "*/...")) |
| } |
| |
| func TestDelete(t *testing.T) { |
| rootCtx, aliceCtx, bobCtx, shutdown := initTest() |
| defer shutdown() |
| |
| server, estr := newMT(t, "testdata/test.perms", "", rootCtx) |
| defer server.Stop() |
| |
| // set up a mount space |
| fakeServer := naming.JoinAddressName(estr, "quux") |
| doMount(t, bobCtx, estr, "one/bright/day", fakeServer, true) |
| doMount(t, rootCtx, estr, "a/b/c", fakeServer, true) |
| |
| // It shouldn't be possible to delete anything with children unless explicitly requested. |
| doDeleteNode(t, rootCtx, estr, "a/b", false) |
| checkExists(t, rootCtx, estr, "a/b", true) |
| doDeleteSubtree(t, rootCtx, estr, "a/b", true) |
| checkExists(t, rootCtx, estr, "a/b", false) |
| |
| // Alice shouldn't be able to delete what bob created but bob and root should. |
| doDeleteNode(t, aliceCtx, estr, "one/bright/day", false) |
| checkExists(t, rootCtx, estr, "one/bright/day", true) |
| doDeleteNode(t, rootCtx, estr, "one/bright/day", true) |
| checkExists(t, rootCtx, estr, "one/bright/day", false) |
| doDeleteNode(t, bobCtx, estr, "one/bright", true) |
| checkExists(t, rootCtx, estr, "one/bright", false) |
| } |
| |
| func TestServerFormat(t *testing.T) { |
| rootCtx, shutdown := test.InitForTest() |
| defer shutdown() |
| |
| server, estr := newMT(t, "", "", rootCtx) |
| defer server.Stop() |
| |
| doMount(t, rootCtx, estr, "endpoint", naming.JoinAddressName(estr, "life/on/the/mississippi"), true) |
| doMount(t, rootCtx, estr, "hostport", "/atrampabroad:8000", true) |
| doMount(t, rootCtx, estr, "invalid/not/rooted", "atrampabroad:8000", false) |
| doMount(t, rootCtx, estr, "invalid/no/port", "/atrampabroad", false) |
| doMount(t, rootCtx, estr, "invalid/endpoint", "/@following the equator:8000@@@", false) |
| } |
| |
| func TestExpiry(t *testing.T) { |
| rootCtx, shutdown := test.InitForTest() |
| defer shutdown() |
| |
| server, estr := newMT(t, "", "", rootCtx) |
| defer server.Stop() |
| collection, collectionAddr := newCollection(t, rootCtx) |
| defer collection.Stop() |
| |
| collectionName := naming.JoinAddressName(collectionAddr, "collection") |
| |
| ft := NewFakeTimeClock() |
| setServerListClock(ft) |
| doMount(t, rootCtx, estr, "a1/b1", collectionName, true) |
| doMount(t, rootCtx, estr, "a1/b2", collectionName, true) |
| doMount(t, rootCtx, estr, "a2/b1", collectionName, true) |
| doMount(t, rootCtx, estr, "a2/b2/c", collectionName, true) |
| |
| checkMatch(t, []string{"a1/b1", "a2/b1"}, doGlob(t, rootCtx, estr, "", "*/b1/...")) |
| ft.advance(time.Duration(ttlSecs/2) * time.Second) |
| checkMatch(t, []string{"a1/b1", "a2/b1"}, doGlob(t, rootCtx, estr, "", "*/b1/...")) |
| checkMatch(t, []string{"c"}, doGlob(t, rootCtx, estr, "a2/b2", "*")) |
| // Refresh only a1/b1. All the other mounts will expire upon the next |
| // ft advance. |
| doMount(t, rootCtx, estr, "a1/b1", collectionName, true) |
| ft.advance(time.Duration(ttlSecs/2+4) * time.Second) |
| checkMatch(t, []string{"a1", "a1/b1"}, doGlob(t, rootCtx, estr, "", "*/...")) |
| checkMatch(t, []string{"a1/b1"}, doGlob(t, rootCtx, estr, "", "*/b1/...")) |
| } |
| |
| func TestBadAccessLists(t *testing.T) { |
| _, err := NewMountTableDispatcher("testdata/invalid.perms", "", "mounttable") |
| if err == nil { |
| boom(t, "Expected json parse error in permissions file") |
| } |
| _, err = NewMountTableDispatcher("testdata/doesntexist.perms", "", "mounttable") |
| if err != nil { |
| boom(t, "Missing permissions file should not cause an error") |
| } |
| } |
| |
| func getCounter(t *testing.T, ctx *context.T, name string) int64 { |
| st := stats.StatsClient(name) |
| v, err := st.Value(ctx) |
| if err != nil { |
| t.Fatalf("Failed to get %q: %v", name, err) |
| return -1 |
| } |
| var value int64 |
| if err := vdl.Convert(&value, v); err != nil { |
| t.Fatalf("Unexpected value type for %q: %v", name, err) |
| } |
| return value |
| } |
| |
| func nodeCount(t *testing.T, ctx *context.T, addr string) int64 { |
| name := naming.JoinAddressName(addr, "__debug/stats/mounttable/num-nodes") |
| return getCounter(t, ctx, name) |
| } |
| |
| func serverCount(t *testing.T, ctx *context.T, addr string) int64 { |
| name := naming.JoinAddressName(addr, "__debug/stats/mounttable/num-mounted-servers") |
| return getCounter(t, ctx, name) |
| } |
| |
| func TestStatsCounters(t *testing.T) { |
| rootCtx, shutdown := test.InitForTest() |
| defer shutdown() |
| |
| ft := NewFakeTimeClock() |
| setServerListClock(ft) |
| |
| server, estr := newMT(t, "", "", rootCtx) |
| defer server.Stop() |
| |
| // Test flat tree |
| for i := 1; i <= 10; i++ { |
| name := fmt.Sprintf("node%d", i) |
| addr := naming.JoinAddressName(estr, name) |
| doMount(t, rootCtx, estr, name, addr, true) |
| if expected, got := int64(i+1), nodeCount(t, rootCtx, estr); got != expected { |
| t.Errorf("Unexpected number of nodes. Got %d, expected %d", got, expected) |
| } |
| if expected, got := int64(i), serverCount(t, rootCtx, estr); got != expected { |
| t.Errorf("Unexpected number of servers. Got %d, expected %d", got, expected) |
| } |
| } |
| for i := 1; i <= 10; i++ { |
| name := fmt.Sprintf("node%d", i) |
| if i%2 == 0 { |
| doUnmount(t, rootCtx, estr, name, "", true) |
| } else { |
| doDeleteSubtree(t, rootCtx, estr, name, true) |
| } |
| if expected, got := int64(11-i), nodeCount(t, rootCtx, estr); got != expected { |
| t.Errorf("Unexpected number of nodes. Got %d, expected %d", got, expected) |
| } |
| if expected, got := int64(10-i), serverCount(t, rootCtx, estr); got != expected { |
| t.Errorf("Unexpected number of server. Got %d, expected %d", got, expected) |
| } |
| } |
| |
| // Test deep tree |
| doMount(t, rootCtx, estr, "1/2/3/4/5/6/7/8/9a/10", naming.JoinAddressName(estr, ""), true) |
| doMount(t, rootCtx, estr, "1/2/3/4/5/6/7/8/9b/11", naming.JoinAddressName(estr, ""), true) |
| if expected, got := int64(13), nodeCount(t, rootCtx, estr); got != expected { |
| t.Errorf("Unexpected number of nodes. Got %d, expected %d", got, expected) |
| } |
| if expected, got := int64(2), serverCount(t, rootCtx, estr); got != expected { |
| t.Errorf("Unexpected number of servers. Got %d, expected %d", got, expected) |
| } |
| doDeleteSubtree(t, rootCtx, estr, "1/2/3/4/5", true) |
| if expected, got := int64(5), nodeCount(t, rootCtx, estr); got != expected { |
| t.Errorf("Unexpected number of nodes. Got %d, expected %d", got, expected) |
| } |
| if expected, got := int64(0), serverCount(t, rootCtx, estr); got != expected { |
| t.Errorf("Unexpected number of servers. Got %d, expected %d", got, expected) |
| } |
| doDeleteSubtree(t, rootCtx, estr, "1", true) |
| if expected, got := int64(1), nodeCount(t, rootCtx, estr); got != expected { |
| t.Errorf("Unexpected number of nodes. Got %d, expected %d", got, expected) |
| } |
| |
| // Test multiple servers per node |
| for i := 1; i <= 5; i++ { |
| server := naming.JoinAddressName(estr, fmt.Sprintf("addr%d", i)) |
| doMount(t, rootCtx, estr, "node1", server, true) |
| doMount(t, rootCtx, estr, "node2", server, true) |
| if expected, got := int64(3), nodeCount(t, rootCtx, estr); got != expected { |
| t.Errorf("Unexpected number of nodes. Got %d, expected %d", got, expected) |
| } |
| if expected, got := int64(2*i), serverCount(t, rootCtx, estr); got != expected { |
| t.Errorf("Unexpected number of servers. Got %d, expected %d", got, expected) |
| } |
| } |
| doUnmount(t, rootCtx, estr, "node1", "", true) |
| if expected, got := int64(2), nodeCount(t, rootCtx, estr); got != expected { |
| t.Errorf("Unexpected number of nodes. Got %d, expected %d", got, expected) |
| } |
| if expected, got := int64(5), serverCount(t, rootCtx, estr); got != expected { |
| t.Errorf("Unexpected number of servers. Got %d, expected %d", got, expected) |
| } |
| for i := 1; i <= 5; i++ { |
| server := naming.JoinAddressName(estr, fmt.Sprintf("addr%d", i)) |
| doUnmount(t, rootCtx, estr, "node2", server, true) |
| expectedNodes := int64(2) |
| if i == 5 { |
| expectedNodes = 1 |
| } |
| if expected, got := expectedNodes, nodeCount(t, rootCtx, estr); got != expected { |
| t.Errorf("Unexpected number of nodes. Got %d, expected %d", got, expected) |
| } |
| if expected, got := int64(5-i), serverCount(t, rootCtx, estr); got != expected { |
| t.Errorf("Unexpected number of servers. Got %d, expected %d", got, expected) |
| } |
| } |
| |
| // Mount on an existing intermediate node. |
| doMount(t, rootCtx, estr, "1/2/3/4/5/6/7/8/9a/10", naming.JoinAddressName(estr, ""), true) |
| doMount(t, rootCtx, estr, "1/2/3/4/5", naming.JoinAddressName(estr, ""), true) |
| if expected, got := int64(6), nodeCount(t, rootCtx, estr); got != expected { |
| t.Errorf("Unexpected number of nodes. Got %d, expected %d", got, expected) |
| } |
| if expected, got := int64(1), serverCount(t, rootCtx, estr); got != expected { |
| t.Errorf("Unexpected number of servers. Got %d, expected %d", got, expected) |
| } |
| |
| // Test expired mounts |
| // "1/2/3/4/5" is still mounted from earlier. |
| ft.advance(time.Duration(ttlSecs+4) * time.Second) |
| if _, err := resolve(rootCtx, naming.JoinAddressName(estr, "1/2/3/4/5")); err == nil { |
| t.Errorf("Expected failure. Got success") |
| } |
| if expected, got := int64(0), serverCount(t, rootCtx, estr); got != expected { |
| t.Errorf("Unexpected number of servers. Got %d, expected %d", got, expected) |
| } |
| } |
| |
| func initTest() (rootCtx *context.T, aliceCtx *context.T, bobCtx *context.T, shutdown v23.Shutdown) { |
| test.Init() |
| ctx, shutdown := test.InitForTest() |
| var err error |
| if rootCtx, err = v23.WithPrincipal(ctx, testutil.NewPrincipal("root")); err != nil { |
| panic("failed to set root principal") |
| } |
| if aliceCtx, err = v23.WithPrincipal(ctx, testutil.NewPrincipal("alice")); err != nil { |
| panic("failed to set alice principal") |
| } |
| if bobCtx, err = v23.WithPrincipal(ctx, testutil.NewPrincipal("bob")); err != nil { |
| panic("failed to set bob principal") |
| } |
| for _, r := range []*context.T{rootCtx, aliceCtx, bobCtx} { |
| // A hack to set the namespace roots to a value that won't work. |
| v23.GetNamespace(r).SetRoots() |
| // And have all principals recognize each others blessings. |
| p1 := v23.GetPrincipal(r) |
| for _, other := range []*context.T{rootCtx, aliceCtx, bobCtx} { |
| // testutil.NewPrincipal has already setup each |
| // principal to use the same blessing for both server |
| // and client activities. |
| if err := p1.AddToRoots(v23.GetPrincipal(other).BlessingStore().Default()); err != nil { |
| panic(err) |
| } |
| } |
| } |
| return rootCtx, aliceCtx, bobCtx, shutdown |
| } |
