| package mounttable |
| |
| import ( |
| "errors" |
| "fmt" |
| "io" |
| "reflect" |
| "runtime/debug" |
| "sort" |
| "testing" |
| "time" |
| |
| "veyron.io/veyron/veyron2" |
| "veyron.io/veyron/veyron2/ipc" |
| "veyron.io/veyron/veyron2/naming" |
| "veyron.io/veyron/veyron2/options" |
| "veyron.io/veyron/veyron2/rt" |
| "veyron.io/veyron/veyron2/security" |
| "veyron.io/veyron/veyron2/services/mounttable/types" |
| "veyron.io/veyron/veyron2/vlog" |
| |
| "veyron.io/veyron/veyron/lib/testutil" |
| "veyron.io/veyron/veyron/profiles" |
| ) |
| |
| // Simulate different processes with different runtimes. |
| // rootRT is the one running the mounttable service. |
| var rootRT, aliceRT, bobRT veyron2.Runtime |
| |
| 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, ep, suffix, service string, shouldSucceed bool, as veyron2.Runtime) { |
| name := naming.JoinAddressName(ep, suffix) |
| ctx := as.NewContext() |
| client := as.Client() |
| call, err := client.StartCall(ctx, name, "Mount", []interface{}{service, uint32(ttlSecs), 0}, options.NoResolve(true)) |
| if err != nil { |
| if !shouldSucceed { |
| return |
| } |
| boom(t, "Failed to Mount %s onto %s: %s", service, name, err) |
| } |
| if ierr := call.Finish(&err); ierr != nil { |
| if !shouldSucceed { |
| return |
| } |
| boom(t, "Failed to Mount %s onto %s: %s", service, name, ierr) |
| } |
| if err != nil { |
| if !shouldSucceed { |
| return |
| } |
| boom(t, "Failed to Mount %s onto %s: %s", service, name, err) |
| } |
| } |
| |
| func doUnmount(t *testing.T, ep, suffix, service string, shouldSucceed bool, as veyron2.Runtime) { |
| name := naming.JoinAddressName(ep, suffix) |
| ctx := as.NewContext() |
| client := as.Client() |
| call, err := client.StartCall(ctx, name, "Unmount", []interface{}{service}, options.NoResolve(true)) |
| if err != nil { |
| if !shouldSucceed { |
| return |
| } |
| boom(t, "Failed to Mount %s onto %s: %s", service, name, err) |
| } |
| if ierr := call.Finish(&err); ierr != nil { |
| if !shouldSucceed { |
| return |
| } |
| boom(t, "Failed to Mount %s onto %s: %s", service, name, ierr) |
| } |
| if err != nil { |
| if !shouldSucceed { |
| return |
| } |
| boom(t, "Failed to Mount %s onto %s: %s", service, name, err) |
| } |
| } |
| |
| // resolve assumes that the mount contains 0 or 1 servers. |
| func resolve(name string, as veyron2.Runtime) (string, error) { |
| // Resolve the name one level. |
| ctx := as.NewContext() |
| client := as.Client() |
| call, err := client.StartCall(ctx, name, "ResolveStepX", nil, options.NoResolve(true)) |
| if err != nil { |
| return "", err |
| } |
| var entry types.MountEntry |
| if ierr := call.Finish(&entry, &err); ierr != nil { |
| return "", ierr |
| } |
| if len(entry.Servers) < 1 { |
| return "", errors.New("resolve returned no servers") |
| } |
| return naming.JoinAddressName(entry.Servers[0].Server, entry.Name), nil |
| } |
| |
| func export(t *testing.T, name, contents string, as veyron2.Runtime) { |
| // Resolve the name. |
| resolved, err := resolve(name, as) |
| if err != nil { |
| boom(t, "Failed to Export.Resolve %s: %s", name, err) |
| } |
| // Export the value. |
| ctx := as.NewContext() |
| client := as.Client() |
| call, err := client.StartCall(ctx, resolved, "Export", []interface{}{contents, true}, options.NoResolve(true)) |
| if err != nil { |
| boom(t, "Failed to Export.StartCall %s to %s: %s", name, contents, err) |
| } |
| if ierr := call.Finish(&err); ierr != nil { |
| err = ierr |
| } |
| if err != nil { |
| boom(t, "Failed to Export.StartCall %s to %s: %s", name, contents, err) |
| } |
| } |
| |
| func checkContents(t *testing.T, name, expected string, shouldSucceed bool, as veyron2.Runtime) { |
| // Resolve the name. |
| resolved, err := resolve(name, as) |
| if err != nil { |
| if !shouldSucceed { |
| return |
| } |
| boom(t, "Failed to Resolve %s: %s", name, err) |
| } |
| // Look up the value. |
| ctx := as.NewContext() |
| client := as.Client() |
| call, err := client.StartCall(ctx, resolved, "Lookup", nil, options.NoResolve(true)) |
| if err != nil { |
| if shouldSucceed { |
| boom(t, "Failed Lookup.StartCall %s: %s", name, err) |
| } |
| return |
| } |
| var contents []byte |
| if ierr := call.Finish(&contents, &err); ierr != nil { |
| err = ierr |
| } |
| if 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, acl string) (ipc.Server, string) { |
| server, err := rootRT.NewServer(options.ServesMountTable(true)) |
| if err != nil { |
| boom(t, "r.NewServer: %s", err) |
| } |
| // Add mount table service. |
| mt, err := NewMountTable(acl) |
| if err != nil { |
| boom(t, "NewMountTable: %v", err) |
| } |
| // Start serving on a loopback address. |
| e, err := server.ListenX(profiles.LocalListenSpec) |
| if err != nil { |
| boom(t, "Failed to Listen mount table: %s", err) |
| } |
| if err := server.Serve("", mt); err != nil { |
| boom(t, "Failed to register mock collection: %s", err) |
| } |
| estr := e.String() |
| t.Logf("endpoint %s", estr) |
| return server, estr |
| } |
| |
| func newCollection(t *testing.T, acl string) (ipc.Server, string) { |
| server, err := rootRT.NewServer() |
| if err != nil { |
| boom(t, "r.NewServer: %s", err) |
| } |
| // Start serving on a loopback address. |
| e, err := server.ListenX(profiles.LocalListenSpec) |
| 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.Serve(cPrefix, newCollectionServer()); err != nil { |
| boom(t, "Failed to register mock collection: %s", err) |
| } |
| estr := e.String() |
| t.Logf("endpoint %s", estr) |
| return server, estr |
| } |
| |
| func TestMountTable(t *testing.T) { |
| mt, mtAddr := newMT(t, "testdata/test.acl") |
| defer mt.Stop() |
| collection, collectionAddr := newCollection(t, "testdata/test.acl") |
| 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, mtAddr, "mounttable/stuff", collectionName, true, rootRT) |
| |
| // Create a few objects and make sure we can read them. |
| vlog.Infof("Create a few objects.") |
| export(t, naming.JoinAddressName(mtAddr, "mounttable/stuff/the/rain"), "the rain", rootRT) |
| export(t, naming.JoinAddressName(mtAddr, "mounttable/stuff/in/spain"), "in spain", rootRT) |
| export(t, naming.JoinAddressName(mtAddr, "mounttable/stuff/falls"), "falls mainly on the plain", rootRT) |
| vlog.Infof("Make sure we can read them.") |
| checkContents(t, naming.JoinAddressName(mtAddr, "mounttable/stuff/the/rain"), "the rain", true, rootRT) |
| checkContents(t, naming.JoinAddressName(mtAddr, "mounttable/stuff/in/spain"), "in spain", true, rootRT) |
| checkContents(t, naming.JoinAddressName(mtAddr, "mounttable/stuff/falls"), "falls mainly on the plain", true, rootRT) |
| checkContents(t, naming.JoinAddressName(mtAddr, "mounttable//stuff/falls"), "falls mainly on the plain", false, rootRT) |
| checkContents(t, naming.JoinAddressName(mtAddr, "mounttable/stuff/nonexistant"), "falls mainly on the plain", false, rootRT) |
| checkContents(t, naming.JoinAddressName(mtAddr, "mounttable/stuff/the/rain"), "the rain", true, bobRT) |
| checkContents(t, naming.JoinAddressName(mtAddr, "mounttable/stuff/the/rain"), "the rain", false, aliceRT) |
| |
| // Test multiple mounts. |
| vlog.Infof("Multiple mounts.") |
| doMount(t, mtAddr, "mounttable/a/b", collectionName, true, rootRT) |
| doMount(t, mtAddr, "mounttable/x/y", collectionName, true, rootRT) |
| doMount(t, mtAddr, "mounttable/alpha//beta", collectionName, true, rootRT) |
| vlog.Infof("Make sure we can read them.") |
| checkContents(t, naming.JoinAddressName(mtAddr, "mounttable/stuff/falls"), "falls mainly on the plain", true, rootRT) |
| checkContents(t, naming.JoinAddressName(mtAddr, "mounttable/a/b/falls"), "falls mainly on the plain", true, rootRT) |
| checkContents(t, naming.JoinAddressName(mtAddr, "mounttable/x/y/falls"), "falls mainly on the plain", true, rootRT) |
| checkContents(t, naming.JoinAddressName(mtAddr, "mounttable/alpha/beta/falls"), "falls mainly on the plain", true, rootRT) |
| checkContents(t, naming.JoinAddressName(mtAddr, "mounttable/a/b/falls"), "falls mainly on the plain", true, aliceRT) |
| checkContents(t, naming.JoinAddressName(mtAddr, "mounttable/a/b/falls"), "falls mainly on the plain", false, bobRT) |
| |
| // Test generic unmount. |
| vlog.Info("Test generic unmount.") |
| doUnmount(t, mtAddr, "mounttable/a/b", "", true, rootRT) |
| checkContents(t, naming.JoinAddressName(mtAddr, "mounttable/a/b/falls"), "falls mainly on the plain", false, rootRT) |
| |
| // Test specific unmount. |
| vlog.Info("Test specific unmount.") |
| doMount(t, mtAddr, "mounttable/a/b", collectionName, true, rootRT) |
| doUnmount(t, mtAddr, "mounttable/a/b", collectionName, true, rootRT) |
| checkContents(t, naming.JoinAddressName(mtAddr, "mounttable/a/b/falls"), "falls mainly on the plain", false, rootRT) |
| |
| // Try timing out a mount. |
| vlog.Info("Try timing out a mount.") |
| ft := NewFakeTimeClock() |
| setServerListClock(ft) |
| doMount(t, mtAddr, "mounttable/stuffWithTTL", collectionName, true, rootRT) |
| checkContents(t, naming.JoinAddressName(mtAddr, "mounttable/stuffWithTTL/the/rain"), "the rain", true, rootRT) |
| ft.advance(time.Duration(ttlSecs+4) * time.Second) |
| checkContents(t, naming.JoinAddressName(mtAddr, "mounttable/stuffWithTTL/the/rain"), "the rain", false, rootRT) |
| |
| // Test unauthorized mount. |
| vlog.Info("Test unauthorized mount.") |
| doMount(t, mtAddr, "mounttable//a/b", collectionName, false, bobRT) |
| doMount(t, mtAddr, "mounttable//a/b", collectionName, false, aliceRT) |
| |
| doUnmount(t, mtAddr, "mounttable/x/y", collectionName, false, bobRT) |
| } |
| |
| func doGlobX(t *testing.T, ep, suffix, pattern string, as veyron2.Runtime, joinServer bool) []string { |
| name := naming.JoinAddressName(ep, suffix) |
| ctx := as.NewContext() |
| client := as.Client() |
| call, err := client.StartCall(ctx, name, "Glob", []interface{}{pattern}, options.NoResolve(true)) |
| if err != nil { |
| boom(t, "Glob.StartCall %s %s: %s", name, pattern, err) |
| } |
| var reply []string |
| for { |
| var e types.MountEntry |
| err := call.Recv(&e) |
| if err == io.EOF { |
| break |
| } |
| if err != nil { |
| boom(t, "Glob.StartCall %s: %s", name, pattern, err) |
| } |
| if joinServer && len(e.Servers) > 0 { |
| reply = append(reply, naming.JoinAddressName(e.Servers[0].Server, e.Name)) |
| } else { |
| reply = append(reply, e.Name) |
| } |
| } |
| if ierr := call.Finish(&err); ierr != nil { |
| err = ierr |
| } |
| if err != nil { |
| boom(t, "Glob.Finish %s: %s", name, pattern, err) |
| } |
| return reply |
| } |
| |
| func doGlob(t *testing.T, ep, suffix, pattern string, as veyron2.Runtime) []string { |
| return doGlobX(t, ep, suffix, pattern, as, 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) { |
| 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) |
| } |
| } |
| |
| func TestGlob(t *testing.T) { |
| server, estr := newMT(t, "") |
| defer server.Stop() |
| |
| // set up a mount space |
| fakeServer := naming.JoinAddressName(estr, "quux") |
| doMount(t, estr, "one/bright/day", fakeServer, true, rootRT) |
| doMount(t, estr, "in/the/middle", fakeServer, true, rootRT) |
| doMount(t, estr, "of/the/night", fakeServer, true, rootRT) |
| |
| // 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, estr, "", test.in, rootRT) |
| 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, estr, "of/the/night/two/dead/boys/got/up/to/fight", "*", rootRT, 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 TestGlobACLs(t *testing.T) { |
| t.Skip("Skipped until ACLs are correctly implemented for mounttable.Glob.") |
| |
| server, estr := newMT(t, "testdata/test.acl") |
| defer server.Stop() |
| |
| // set up a mount space |
| fakeServer := naming.JoinAddressName(estr, "quux") |
| doMount(t, estr, "one/bright/day", fakeServer, true, rootRT) |
| doMount(t, estr, "a/b/c", fakeServer, true, rootRT) |
| |
| // Try various globs. |
| tests := []struct { |
| as veyron2.Runtime |
| in string |
| expected []string |
| }{ |
| {rootRT, "*", []string{"one", "a"}}, |
| {aliceRT, "*", []string{"one", "a"}}, |
| {bobRT, "*", []string{"one"}}, |
| {rootRT, "*/...", []string{"one", "a", "one/bright", "a/b", "one/bright/day", "a/b/c"}}, |
| {aliceRT, "*/...", []string{"one", "a", "one/bright", "a/b", "one/bright/day", "a/b/c"}}, |
| {bobRT, "*/...", []string{"one", "one/bright", "one/bright/day"}}, |
| } |
| for _, test := range tests { |
| out := doGlob(t, estr, "", test.in, test.as) |
| checkMatch(t, test.expected, out) |
| } |
| } |
| |
| func TestServerFormat(t *testing.T) { |
| server, estr := newMT(t, "") |
| defer server.Stop() |
| |
| doMount(t, estr, "mounttable/endpoint", naming.JoinAddressName(estr, "life/on/the/mississippi"), true, rootRT) |
| doMount(t, estr, "mounttable/hostport", "/atrampabroad:8000", true, rootRT) |
| doMount(t, estr, "mounttable/hostport-endpoint-platypus", "/@atrampabroad:8000@@", true, rootRT) |
| doMount(t, estr, "mounttable/invalid/not/rooted", "atrampabroad:8000", false, rootRT) |
| doMount(t, estr, "mounttable/invalid/no/port", "/atrampabroad", false, rootRT) |
| doMount(t, estr, "mounttable/invalid/endpoint", "/@following the equator:8000@@@", false, rootRT) |
| } |
| |
| func TestExpiry(t *testing.T) { |
| server, estr := newMT(t, "") |
| defer server.Stop() |
| collection, collectionAddr := newCollection(t, "testdata/test.acl") |
| defer collection.Stop() |
| |
| collectionName := naming.JoinAddressName(collectionAddr, "collection") |
| |
| ft := NewFakeTimeClock() |
| setServerListClock(ft) |
| doMount(t, estr, "mounttable/a1/b1", collectionName, true, rootRT) |
| doMount(t, estr, "mounttable/a1/b2", collectionName, true, rootRT) |
| doMount(t, estr, "mounttable/a2/b1", collectionName, true, rootRT) |
| doMount(t, estr, "mounttable/a2/b2/c", collectionName, true, rootRT) |
| |
| checkMatch(t, []string{"a1/b1", "a2/b1"}, doGlob(t, estr, "mounttable", "*/b1/...", rootRT)) |
| ft.advance(time.Duration(ttlSecs/2) * time.Second) |
| checkMatch(t, []string{"a1/b1", "a2/b1"}, doGlob(t, estr, "mounttable", "*/b1/...", rootRT)) |
| checkMatch(t, []string{"c"}, doGlob(t, estr, "mounttable/a2/b2", "*", rootRT)) |
| // Refresh only a1/b1. All the other mounts will expire upon the next |
| // ft advance. |
| doMount(t, estr, "mounttable/a1/b1", collectionName, true, rootRT) |
| ft.advance(time.Duration(ttlSecs/2+4) * time.Second) |
| checkMatch(t, []string{"a1"}, doGlob(t, estr, "mounttable", "*", rootRT)) |
| checkMatch(t, []string{"a1/b1"}, doGlob(t, estr, "mounttable", "*/b1/...", rootRT)) |
| } |
| |
| func TestBadACLs(t *testing.T) { |
| _, err := NewMountTable("testdata/invalid.acl") |
| if err == nil { |
| boom(t, "Expected json parse error in acl file") |
| } |
| _, err = NewMountTable("testdata/doesntexist.acl") |
| if err == nil { |
| boom(t, "Expected error from missing acl file") |
| } |
| _, err = NewMountTable("testdata/noroot.acl") |
| if err == nil { |
| boom(t, "Expected error for missing '/' acl") |
| } |
| } |
| |
| func init() { |
| testutil.Init() |
| // Create the runtime for each of the three "processes" |
| rootRT = rt.Init(options.ForceNewSecurityModel{}) |
| var err error |
| if aliceRT, err = rt.New(options.ForceNewSecurityModel{}); err != nil { |
| panic(err) |
| } |
| if bobRT, err = rt.New(options.ForceNewSecurityModel{}); err != nil { |
| panic(err) |
| } |
| |
| // And setup their blessings so that they present "root", "alice" and "bob" |
| // and these blessings are recognized by the others. |
| principals := map[string]security.Principal{ |
| "root": rootRT.Principal(), |
| "alice": aliceRT.Principal(), |
| "bob": bobRT.Principal(), |
| } |
| for name, p := range principals { |
| blessing, err := p.BlessSelf(name) |
| if err != nil { |
| panic(fmt.Sprintf("BlessSelf(%q) failed: %v", name, err)) |
| } |
| // Share this blessing with all servers and use it when serving clients. |
| if err = p.BlessingStore().SetDefault(blessing); err != nil { |
| panic(fmt.Sprintf("%v: %v", blessing, err)) |
| } |
| if _, err = p.BlessingStore().Set(blessing, security.AllPrincipals); err != nil { |
| panic(fmt.Sprintf("%v: %v", blessing, err)) |
| } |
| // Have all principals trust the root of this blessing. |
| for _, other := range principals { |
| if err := other.AddToRoots(blessing); err != nil { |
| panic(err) |
| } |
| } |
| } |
| } |
