| // Copyright 2020 The Chromium OS 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 crash |
| |
| import ( |
| "context" |
| "io/ioutil" |
| "path" |
| "path/filepath" |
| "strings" |
| "time" |
| |
| "github.com/golang/protobuf/ptypes/empty" |
| |
| "chromiumos/tast/ctxutil" |
| "chromiumos/tast/rpc" |
| crash_service "chromiumos/tast/services/cros/crash" |
| "chromiumos/tast/testing" |
| ) |
| |
| func init() { |
| testing.AddTest(&testing.Test{ |
| Func: EarlyCrash, |
| LacrosStatus: testing.LacrosVariantUnneeded, |
| Desc: "Verify artificial early crash creates crash files", |
| Contacts: []string{"mutexlox@chromium.org", "cros-telemetry@google.com"}, |
| Attr: []string{"group:mainline", "informational"}, |
| SoftwareDeps: []string{"reboot"}, |
| ServiceDeps: []string{"tast.cros.crash.FixtureService"}, |
| Params: []testing.Param{{ |
| Name: "real_consent", |
| ExtraAttr: []string{"informational"}, |
| ExtraSoftwareDeps: []string{"chrome", "metrics_consent"}, |
| Val: crash_service.SetUpCrashTestRequest_REAL_CONSENT, |
| }, { |
| Name: "mock_consent", |
| Val: crash_service.SetUpCrashTestRequest_MOCK_CONSENT, |
| }}, |
| Timeout: 10 * time.Minute, |
| }) |
| } |
| |
| func EarlyCrash(ctx context.Context, s *testing.State) { |
| const systemCrashDir = "/var/spool/crash" |
| |
| d := s.DUT() |
| |
| cl, err := rpc.Dial(ctx, d, s.RPCHint()) |
| if err != nil { |
| s.Fatal("Failed to connect to the RPC service on the DUT: ", err) |
| } |
| |
| fs := crash_service.NewFixtureServiceClient(cl.Conn) |
| |
| req := crash_service.SetUpCrashTestRequest{ |
| Consent: s.Param().(crash_service.SetUpCrashTestRequest_ConsentType), |
| } |
| |
| // Shorten deadline to leave time for cleanup |
| cleanupCtx := ctx |
| ctx, cancel := ctxutil.Shorten(ctx, 5*time.Second) |
| defer cancel() |
| |
| if _, err := fs.SetUp(ctx, &req); err != nil { |
| s.Error("Failed to set up: ", err) |
| cl.Close(cleanupCtx) |
| return |
| } |
| |
| // This is a bit delicate. If the test fails _before_ we panic the machine, |
| // we need to do TearDown then, and on the same connection (so we can close Chrome). |
| // |
| // If it fails to reconnect, we do not need to clean these up. |
| // |
| // Otherwise, we need to re-establish a connection to the machine and |
| // run TearDown. |
| defer func() { |
| s.Log("Cleaning up") |
| if fs != nil { |
| if _, err := fs.TearDown(cleanupCtx, &empty.Empty{}); err != nil { |
| s.Error("Couldn't tear down: ", err) |
| } |
| } |
| if cl != nil { |
| cl.Close(cleanupCtx) |
| } |
| }() |
| |
| fs = nil |
| cl.Close(ctx) |
| cl = nil |
| |
| // init/upstart/test-init/early-failure.conf will crash early in boot. |
| s.Log("Rebooting") |
| if err := d.Reboot(ctx); err != nil { |
| s.Fatal("Failed to reboot DUT: ", err) |
| } |
| |
| // When we lost the connection, these connections broke. |
| s.Log("Re-dialing") |
| cl, err = rpc.Dial(ctx, d, s.RPCHint()) |
| if err != nil { |
| s.Fatal("Failed to connect to the RPC service on the DUT: ", err) |
| } |
| fs = crash_service.NewFixtureServiceClient(cl.Conn) |
| |
| base := `coreutils\.\d{8}\.\d{6}\.\d+\.\d+` |
| waitReq := &crash_service.WaitForCrashFilesRequest{ |
| Dirs: []string{systemCrashDir}, |
| Regexes: []string{base + `\.dmp`, base + `\.meta`, |
| base + `\.core`, base + `\.proclog`}, |
| } |
| s.Log("Waiting for files to become present") |
| res, err := fs.WaitForCrashFiles(ctx, waitReq) |
| if err != nil { |
| if err := d.GetFile(cleanupCtx, "/var/log/messages", |
| filepath.Join(s.OutDir(), "messages")); err != nil { |
| s.Log("Failed to get messages log") |
| } |
| if err := d.GetFile(cleanupCtx, "/run/crash-reporter-early-init.log", |
| filepath.Join(s.OutDir(), "crash-reporter-early-init.log")); err != nil { |
| s.Log("Failed to get early-init log") |
| } |
| if out, err := d.Conn().CommandContext(ctx, "/bin/ls", "-l", "/var/spool/crash/", "/run/crash_reporter/").CombinedOutput(); err != nil { |
| s.Log("Failed to list crash state dirs: ", err) |
| } else if err := ioutil.WriteFile(filepath.Join(s.OutDir(), "crash_state_dirs.txt"), out, 0644); err != nil { |
| s.Log("Failed to save crash file listing to outDir: ", err) |
| } |
| s.Fatal("Failed to find crash files: ", err.Error()) |
| } |
| |
| // Verify that expected metadata tag for early crashes is present |
| for _, match := range res.Matches { |
| if !strings.HasSuffix(match.Regex, ".meta") { |
| continue |
| } |
| if err := d.Conn().CommandContext(ctx, "/bin/grep", "-q", "upload_var_is_early_boot=true", match.Files[0]).Run(); err != nil { |
| s.Error("Couldn't find expected string in meta file: ", err) |
| if err := d.GetFile(cleanupCtx, match.Files[0], |
| filepath.Join(s.OutDir(), path.Base(match.Files[0]))); err != nil { |
| s.Log("Failed to get meta file") |
| } |
| } |
| } |
| |
| removeReq := &crash_service.RemoveAllFilesRequest{ |
| Matches: res.Matches, |
| } |
| if _, err := fs.RemoveAllFiles(ctx, removeReq); err != nil { |
| s.Error("Error removing files: ", err) |
| } |
| } |