19961: Fix races in tests.
[arvados.git] / lib / crunchrun / crunchrun_test.go
index aaba1c42045e325266534cdf45551ab43199c6f0..786f9410a8ac77783edc8e04652960ba56a1217e 100644 (file)
@@ -13,6 +13,8 @@ import (
        "io"
        "io/ioutil"
        "log"
+       "net/http"
+       "net/http/httptest"
        "os"
        "os/exec"
        "regexp"
@@ -121,7 +123,7 @@ type stubExecutor struct {
        stopErr     error
        stopped     bool
        closed      bool
-       runFunc     func()
+       runFunc     func() int
        exit        chan int
 }
 
@@ -133,10 +135,14 @@ func (e *stubExecutor) LoadImage(imageId string, tarball string, container arvad
 func (e *stubExecutor) Runtime() string                 { return "stub" }
 func (e *stubExecutor) Version() string                 { return "stub " + cmd.Version.String() }
 func (e *stubExecutor) Create(spec containerSpec) error { e.created = spec; return e.createErr }
-func (e *stubExecutor) Start() error                    { e.exit = make(chan int, 1); go e.runFunc(); return e.startErr }
-func (e *stubExecutor) CgroupID() string                { return "cgroupid" }
-func (e *stubExecutor) Stop() error                     { e.stopped = true; go func() { e.exit <- -1 }(); return e.stopErr }
-func (e *stubExecutor) Close()                          { e.closed = true }
+func (e *stubExecutor) Start() error {
+       e.exit = make(chan int, 1)
+       go func() { e.exit <- e.runFunc() }()
+       return e.startErr
+}
+func (e *stubExecutor) CgroupID() string { return "cgroupid" }
+func (e *stubExecutor) Stop() error      { e.stopped = true; go func() { e.exit <- -1 }(); return e.stopErr }
+func (e *stubExecutor) Close()           { e.closed = true }
 func (e *stubExecutor) Wait(context.Context) (int, error) {
        return <-e.exit, e.waitErr
 }
@@ -541,9 +547,9 @@ func dockerLog(fd byte, msg string) []byte {
 }
 
 func (s *TestSuite) TestRunContainer(c *C) {
-       s.executor.runFunc = func() {
+       s.executor.runFunc = func() int {
                fmt.Fprintf(s.executor.created.Stdout, "Hello world\n")
-               s.executor.exit <- 0
+               return 0
        }
 
        var logs TestLogs
@@ -644,7 +650,7 @@ func (s *TestSuite) TestUpdateContainerCancelled(c *C) {
 
 // Used by the TestFullRun*() test below to DRY up boilerplate setup to do full
 // dress rehearsal of the Run() function, starting from a JSON container record.
-func (s *TestSuite) fullRunHelper(c *C, record string, extraMounts []string, exitCode int, fn func()) (*ArvTestClient, *ContainerRunner, string) {
+func (s *TestSuite) fullRunHelper(c *C, record string, extraMounts []string, fn func() int) (*ArvTestClient, *ContainerRunner, string) {
        err := json.Unmarshal([]byte(record), &s.api.Container)
        c.Assert(err, IsNil)
        initialState := s.api.Container.State
@@ -658,10 +664,7 @@ func (s *TestSuite) fullRunHelper(c *C, record string, extraMounts []string, exi
        c.Assert(err, IsNil)
        c.Logf("SecretMounts decoded %v json %q", sm, secretMounts)
 
-       s.executor.runFunc = func() {
-               fn()
-               s.executor.exit <- exitCode
-       }
+       s.executor.runFunc = fn
 
        s.runner.statInterval = 100 * time.Millisecond
        s.runner.containerWatchdogInterval = time.Second
@@ -732,7 +735,7 @@ func (s *TestSuite) TestFullRunHello(c *C) {
     "runtime_constraints": {"vcpus":1,"ram":1000000},
     "state": "Locked",
     "output_storage_classes": ["default"]
-}`, nil, 0, func() {
+}`, nil, func() int {
                c.Check(s.executor.created.Command, DeepEquals, []string{"echo", "hello world"})
                c.Check(s.executor.created.Image, Equals, "sha256:d8309758b8fe2c81034ffc8a10c36460b77db7bc5e7b448c4e5b684f9d95a678")
                c.Check(s.executor.created.Env, DeepEquals, map[string]string{"foo": "bar", "baz": "waz"})
@@ -742,6 +745,7 @@ func (s *TestSuite) TestFullRunHello(c *C) {
                c.Check(s.executor.created.EnableNetwork, Equals, false)
                c.Check(s.executor.created.CUDADeviceCount, Equals, 0)
                fmt.Fprintln(s.executor.created.Stdout, "hello world")
+               return 0
        })
 
        c.Check(s.api.CalledWith("container.exit_code", 0), NotNil)
@@ -764,14 +768,71 @@ func (s *TestSuite) TestRunAlreadyRunning(c *C) {
     "runtime_constraints": {},
     "scheduling_parameters":{"max_run_time": 1},
     "state": "Running"
-}`, nil, 2, func() {
+}`, nil, func() int {
                ran = true
+               return 2
        })
        c.Check(s.api.CalledWith("container.state", "Cancelled"), IsNil)
        c.Check(s.api.CalledWith("container.state", "Complete"), IsNil)
        c.Check(ran, Equals, false)
 }
 
+func (s *TestSuite) TestSpotInterruptionNotice(c *C) {
+       var failedOnce bool
+       var stoptime time.Time
+       token := "fake-ec2-metadata-token"
+       stub := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+               if !failedOnce {
+                       w.WriteHeader(http.StatusServiceUnavailable)
+                       failedOnce = true
+                       return
+               }
+               switch r.URL.Path {
+               case "/latest/api/token":
+                       fmt.Fprintln(w, token)
+               case "/latest/meta-data/spot/instance-action":
+                       if r.Header.Get("X-aws-ec2-metadata-token") != token {
+                               w.WriteHeader(http.StatusUnauthorized)
+                       } else if stoptime.IsZero() {
+                               w.WriteHeader(http.StatusNotFound)
+                       } else {
+                               fmt.Fprintf(w, `{"action":"stop","time":"%s"}`, stoptime.Format(time.RFC3339))
+                       }
+               default:
+                       w.WriteHeader(http.StatusNotFound)
+               }
+       }))
+       defer stub.Close()
+
+       defer func(i time.Duration, u string) {
+               spotInterruptionCheckInterval = i
+               ec2MetadataBaseURL = u
+       }(spotInterruptionCheckInterval, ec2MetadataBaseURL)
+       spotInterruptionCheckInterval = time.Second / 4
+       ec2MetadataBaseURL = stub.URL
+
+       go s.runner.checkSpotInterruptionNotices()
+       s.fullRunHelper(c, `{
+    "command": ["sleep", "3"],
+    "container_image": "`+arvadostest.DockerImage112PDH+`",
+    "cwd": ".",
+    "environment": {},
+    "mounts": {"/tmp": {"kind": "tmp"} },
+    "output_path": "/tmp",
+    "priority": 1,
+    "runtime_constraints": {},
+    "state": "Locked"
+}`, nil, func() int {
+               time.Sleep(time.Second)
+               stoptime = time.Now().Add(time.Minute).UTC()
+               time.Sleep(time.Second)
+               return 0
+       })
+       c.Check(s.api.Logs["crunch-run"].String(), Matches, `(?ms).*Checking for spot interruptions every 250ms using instance metadata at http://.*`)
+       c.Check(s.api.Logs["crunch-run"].String(), Matches, `(?ms).*Error checking spot interruptions: 503 Service Unavailable.*`)
+       c.Check(s.api.Logs["crunch-run"].String(), Matches, `(?ms).*Cloud provider indicates instance action "stop" scheduled for time "`+stoptime.Format(time.RFC3339)+`".*`)
+}
+
 func (s *TestSuite) TestRunTimeExceeded(c *C) {
        s.fullRunHelper(c, `{
     "command": ["sleep", "3"],
@@ -784,8 +845,9 @@ func (s *TestSuite) TestRunTimeExceeded(c *C) {
     "runtime_constraints": {},
     "scheduling_parameters":{"max_run_time": 1},
     "state": "Locked"
-}`, nil, 0, func() {
+}`, nil, func() int {
                time.Sleep(3 * time.Second)
+               return 0
        })
 
        c.Check(s.api.CalledWith("container.state", "Cancelled"), NotNil)
@@ -801,8 +863,9 @@ func (s *TestSuite) TestContainerWaitFails(c *C) {
     "output_path": "/tmp",
     "priority": 1,
     "state": "Locked"
-}`, nil, 0, func() {
+}`, nil, func() int {
                s.executor.waitErr = errors.New("Container is not running")
+               return 0
        })
 
        c.Check(s.api.CalledWith("container.state", "Cancelled"), NotNil)
@@ -820,8 +883,9 @@ func (s *TestSuite) TestCrunchstat(c *C) {
                "priority": 1,
                "runtime_constraints": {},
                "state": "Locked"
-       }`, nil, 0, func() {
+       }`, nil, func() int {
                time.Sleep(time.Second)
+               return 0
        })
 
        c.Check(s.api.CalledWith("container.exit_code", 0), NotNil)
@@ -853,10 +917,10 @@ func (s *TestSuite) TestNodeInfoLog(c *C) {
                "priority": 1,
                "runtime_constraints": {},
                "state": "Locked"
-       }`, nil, 0,
-               func() {
-                       time.Sleep(time.Second)
-               })
+       }`, nil, func() int {
+               time.Sleep(time.Second)
+               return 0
+       })
 
        c.Check(s.api.CalledWith("container.exit_code", 0), NotNil)
        c.Check(s.api.CalledWith("container.state", "Complete"), NotNil)
@@ -887,9 +951,9 @@ func (s *TestSuite) TestLogVersionAndRuntime(c *C) {
                "priority": 1,
                "runtime_constraints": {},
                "state": "Locked"
-       }`, nil, 0,
-               func() {
-               })
+       }`, nil, func() int {
+               return 0
+       })
 
        c.Assert(s.api.Logs["crunch-run"], NotNil)
        c.Check(s.api.Logs["crunch-run"].String(), Matches, `(?ms).*crunch-run \S+ \(go\S+\) start.*`)
@@ -911,11 +975,11 @@ func (s *TestSuite) TestCommitNodeInfoBeforeStart(c *C) {
                "runtime_constraints": {},
                "state": "Locked",
                "uuid": "zzzzz-dz642-202301121543210"
-       }`, nil, 0,
-               func() {
-                       collection_create = s.api.CalledWith("ensure_unique_name", true)
-                       container_update = s.api.CalledWith("container.state", "Running")
-               })
+       }`, nil, func() int {
+               collection_create = s.api.CalledWith("ensure_unique_name", true)
+               container_update = s.api.CalledWith("container.state", "Running")
+               return 0
+       })
 
        c.Assert(collection_create, NotNil)
        log_collection := collection_create["collection"].(arvadosclient.Dict)
@@ -945,9 +1009,10 @@ func (s *TestSuite) TestContainerRecordLog(c *C) {
                "priority": 1,
                "runtime_constraints": {},
                "state": "Locked"
-       }`, nil, 0,
-               func() {
+       }`, nil,
+               func() int {
                        time.Sleep(time.Second)
+                       return 0
                })
 
        c.Check(s.api.CalledWith("container.exit_code", 0), NotNil)
@@ -968,9 +1033,10 @@ func (s *TestSuite) TestFullRunStderr(c *C) {
     "priority": 1,
     "runtime_constraints": {},
     "state": "Locked"
-}`, nil, 1, func() {
+}`, nil, func() int {
                fmt.Fprintln(s.executor.created.Stdout, "hello")
                fmt.Fprintln(s.executor.created.Stderr, "world")
+               return 1
        })
 
        final := s.api.CalledWith("container.state", "Complete")
@@ -993,8 +1059,9 @@ func (s *TestSuite) TestFullRunDefaultCwd(c *C) {
     "priority": 1,
     "runtime_constraints": {},
     "state": "Locked"
-}`, nil, 0, func() {
+}`, nil, func() int {
                fmt.Fprintf(s.executor.created.Stdout, "workdir=%q", s.executor.created.WorkingDir)
+               return 0
        })
 
        c.Check(s.api.CalledWith("container.exit_code", 0), NotNil)
@@ -1014,8 +1081,9 @@ func (s *TestSuite) TestFullRunSetCwd(c *C) {
     "priority": 1,
     "runtime_constraints": {},
     "state": "Locked"
-}`, nil, 0, func() {
+}`, nil, func() int {
                fmt.Fprintln(s.executor.created.Stdout, s.executor.created.WorkingDir)
+               return 0
        })
 
        c.Check(s.api.CalledWith("container.exit_code", 0), NotNil)
@@ -1035,8 +1103,9 @@ func (s *TestSuite) TestFullRunSetOutputStorageClasses(c *C) {
     "runtime_constraints": {},
     "state": "Locked",
     "output_storage_classes": ["foo", "bar"]
-}`, nil, 0, func() {
+}`, nil, func() int {
                fmt.Fprintln(s.executor.created.Stdout, s.executor.created.WorkingDir)
+               return 0
        })
 
        c.Check(s.api.CalledWith("container.exit_code", 0), NotNil)
@@ -1058,8 +1127,9 @@ func (s *TestSuite) TestEnableCUDADeviceCount(c *C) {
     "runtime_constraints": {"cuda": {"device_count": 2}},
     "state": "Locked",
     "output_storage_classes": ["foo", "bar"]
-}`, nil, 0, func() {
+}`, nil, func() int {
                fmt.Fprintln(s.executor.created.Stdout, "ok")
+               return 0
        })
        c.Check(s.executor.created.CUDADeviceCount, Equals, 2)
 }
@@ -1076,25 +1146,30 @@ func (s *TestSuite) TestEnableCUDAHardwareCapability(c *C) {
     "runtime_constraints": {"cuda": {"hardware_capability": "foo"}},
     "state": "Locked",
     "output_storage_classes": ["foo", "bar"]
-}`, nil, 0, func() {
+}`, nil, func() int {
                fmt.Fprintln(s.executor.created.Stdout, "ok")
+               return 0
        })
        c.Check(s.executor.created.CUDADeviceCount, Equals, 0)
 }
 
 func (s *TestSuite) TestStopOnSignal(c *C) {
-       s.executor.runFunc = func() {
+       s.executor.runFunc = func() int {
                s.executor.created.Stdout.Write([]byte("foo\n"))
                s.runner.SigChan <- syscall.SIGINT
+               time.Sleep(10 * time.Second)
+               return 0
        }
        s.testStopContainer(c)
 }
 
 func (s *TestSuite) TestStopOnArvMountDeath(c *C) {
-       s.executor.runFunc = func() {
+       s.executor.runFunc = func() int {
                s.executor.created.Stdout.Write([]byte("foo\n"))
                s.runner.ArvMountExit <- nil
                close(s.runner.ArvMountExit)
+               time.Sleep(10 * time.Second)
+               return 0
        }
        s.runner.ArvMountExit = make(chan error)
        s.testStopContainer(c)
@@ -1153,8 +1228,9 @@ func (s *TestSuite) TestFullRunSetEnv(c *C) {
     "priority": 1,
     "runtime_constraints": {},
     "state": "Locked"
-}`, nil, 0, func() {
+}`, nil, func() int {
                fmt.Fprintf(s.executor.created.Stdout, "%v", s.executor.created.Env)
+               return 0
        })
 
        c.Check(s.api.CalledWith("container.exit_code", 0), NotNil)
@@ -1565,8 +1641,9 @@ func (s *TestSuite) TestStdout(c *C) {
                "state": "Locked"
        }`
 
-       s.fullRunHelper(c, helperRecord, nil, 0, func() {
+       s.fullRunHelper(c, helperRecord, nil, func() int {
                fmt.Fprintln(s.executor.created.Stdout, s.executor.created.Env["FROBIZ"])
+               return 0
        })
 
        c.Check(s.api.CalledWith("container.exit_code", 0), NotNil)
@@ -1575,7 +1652,7 @@ func (s *TestSuite) TestStdout(c *C) {
 }
 
 // Used by the TestStdoutWithWrongPath*()
-func (s *TestSuite) stdoutErrorRunHelper(c *C, record string, fn func()) (*ArvTestClient, *ContainerRunner, error) {
+func (s *TestSuite) stdoutErrorRunHelper(c *C, record string, fn func() int) (*ArvTestClient, *ContainerRunner, error) {
        err := json.Unmarshal([]byte(record), &s.api.Container)
        c.Assert(err, IsNil)
        s.executor.runFunc = fn
@@ -1591,7 +1668,7 @@ func (s *TestSuite) TestStdoutWithWrongPath(c *C) {
     "mounts": {"/tmp": {"kind": "tmp"}, "stdout": {"kind": "file", "path":"/tmpa.out"} },
     "output_path": "/tmp",
     "state": "Locked"
-}`, func() {})
+}`, func() int { return 0 })
        c.Check(err, ErrorMatches, ".*Stdout path does not start with OutputPath.*")
 }
 
@@ -1600,7 +1677,7 @@ func (s *TestSuite) TestStdoutWithWrongKindTmp(c *C) {
     "mounts": {"/tmp": {"kind": "tmp"}, "stdout": {"kind": "tmp", "path":"/tmp/a.out"} },
     "output_path": "/tmp",
     "state": "Locked"
-}`, func() {})
+}`, func() int { return 0 })
        c.Check(err, ErrorMatches, ".*unsupported mount kind 'tmp' for stdout.*")
 }
 
@@ -1609,7 +1686,7 @@ func (s *TestSuite) TestStdoutWithWrongKindCollection(c *C) {
     "mounts": {"/tmp": {"kind": "tmp"}, "stdout": {"kind": "collection", "path":"/tmp/a.out"} },
     "output_path": "/tmp",
     "state": "Locked"
-}`, func() {})
+}`, func() int { return 0 })
        c.Check(err, ErrorMatches, ".*unsupported mount kind 'collection' for stdout.*")
 }
 
@@ -1624,9 +1701,9 @@ func (s *TestSuite) TestFullRunWithAPI(c *C) {
     "priority": 1,
     "runtime_constraints": {"API": true},
     "state": "Locked"
-}`, nil, 0, func() {
+}`, nil, func() int {
                c.Check(s.executor.created.Env["ARVADOS_API_HOST"], Equals, os.Getenv("ARVADOS_API_HOST"))
-               s.executor.exit <- 3
+               return 3
        })
        c.Check(s.api.CalledWith("container.exit_code", 3), NotNil)
        c.Check(s.api.CalledWith("container.state", "Complete"), NotNil)
@@ -1646,8 +1723,9 @@ func (s *TestSuite) TestFullRunSetOutput(c *C) {
     "priority": 1,
     "runtime_constraints": {"API": true},
     "state": "Locked"
-}`, nil, 0, func() {
+}`, nil, func() int {
                s.api.Container.Output = arvadostest.DockerImage112PDH
+               return 0
        })
 
        c.Check(s.api.CalledWith("container.exit_code", 0), NotNil)
@@ -1661,9 +1739,9 @@ func (s *TestSuite) TestArvMountRuntimeStatusWarning(c *C) {
                ioutil.WriteFile(s.runner.ArvMountPoint+"/by_id/README", nil, 0666)
                return s.runner.ArvMountCmd([]string{"bash", "-c", "echo >&2 Test: Keep write error: I am a teapot; sleep 3"}, "")
        }
-       s.executor.runFunc = func() {
+       s.executor.runFunc = func() int {
                time.Sleep(time.Second)
-               s.executor.exit <- 137
+               return 137
        }
        record := `{
     "command": ["sleep", "1"],
@@ -1709,8 +1787,9 @@ func (s *TestSuite) TestStdoutWithExcludeFromOutputMountPointUnderOutputDir(c *C
 
        extraMounts := []string{"a3e8f74c6f101eae01fa08bfb4e49b3a+54"}
 
-       s.fullRunHelper(c, helperRecord, extraMounts, 0, func() {
+       s.fullRunHelper(c, helperRecord, extraMounts, func() int {
                fmt.Fprintln(s.executor.created.Stdout, s.executor.created.Env["FROBIZ"])
+               return 0
        })
 
        c.Check(s.api.CalledWith("container.exit_code", 0), NotNil)
@@ -1745,8 +1824,9 @@ func (s *TestSuite) TestStdoutWithMultipleMountPointsUnderOutputDir(c *C) {
                "a0def87f80dd594d4675809e83bd4f15+367/subdir1/subdir2/file2_in_subdir2.txt",
        }
 
-       api, _, realtemp := s.fullRunHelper(c, helperRecord, extraMounts, 0, func() {
+       api, _, realtemp := s.fullRunHelper(c, helperRecord, extraMounts, func() int {
                fmt.Fprintln(s.executor.created.Stdout, s.executor.created.Env["FROBIZ"])
+               return 0
        })
 
        c.Check(s.executor.created.BindMounts, DeepEquals, map[string]bindmount{
@@ -1802,8 +1882,9 @@ func (s *TestSuite) TestStdoutWithMountPointsUnderOutputDirDenormalizedManifest(
                "b0def87f80dd594d4675809e83bd4f15+367/subdir1/file2_in_subdir1.txt",
        }
 
-       s.fullRunHelper(c, helperRecord, extraMounts, 0, func() {
+       s.fullRunHelper(c, helperRecord, extraMounts, func() int {
                fmt.Fprintln(s.executor.created.Stdout, s.executor.created.Env["FROBIZ"])
+               return 0
        })
 
        c.Check(s.api.CalledWith("container.exit_code", 0), NotNil)
@@ -1839,8 +1920,9 @@ func (s *TestSuite) TestOutputError(c *C) {
                "runtime_constraints": {},
                "state": "Locked"
        }`
-       s.fullRunHelper(c, helperRecord, nil, 0, func() {
+       s.fullRunHelper(c, helperRecord, nil, func() int {
                os.Symlink("/etc/hosts", s.runner.HostOutputDir+"/baz")
+               return 0
        })
 
        c.Check(s.api.CalledWith("container.state", "Cancelled"), NotNil)
@@ -1867,8 +1949,9 @@ func (s *TestSuite) TestStdinCollectionMountPoint(c *C) {
                "b0def87f80dd594d4675809e83bd4f15+367/file1_in_main.txt",
        }
 
-       api, _, _ := s.fullRunHelper(c, helperRecord, extraMounts, 0, func() {
+       api, _, _ := s.fullRunHelper(c, helperRecord, extraMounts, func() int {
                fmt.Fprintln(s.executor.created.Stdout, s.executor.created.Env["FROBIZ"])
+               return 0
        })
 
        c.Check(api.CalledWith("container.exit_code", 0), NotNil)
@@ -1902,8 +1985,9 @@ func (s *TestSuite) TestStdinJsonMountPoint(c *C) {
                "state": "Locked"
        }`
 
-       api, _, _ := s.fullRunHelper(c, helperRecord, nil, 0, func() {
+       api, _, _ := s.fullRunHelper(c, helperRecord, nil, func() int {
                fmt.Fprintln(s.executor.created.Stdout, s.executor.created.Env["FROBIZ"])
+               return 0
        })
 
        c.Check(api.CalledWith("container.exit_code", 0), NotNil)
@@ -1933,9 +2017,10 @@ func (s *TestSuite) TestStderrMount(c *C) {
     "priority": 1,
     "runtime_constraints": {},
     "state": "Locked"
-}`, nil, 1, func() {
+}`, nil, func() int {
                fmt.Fprintln(s.executor.created.Stdout, "hello")
                fmt.Fprintln(s.executor.created.Stderr, "oops")
+               return 1
        })
 
        final := api.CalledWith("container.state", "Complete")
@@ -1985,7 +2070,7 @@ func (s *TestSuite) TestFullBrokenDocker(c *C) {
     "priority": 1,
     "runtime_constraints": {},
     "state": "Locked"
-}`, nil, 0, func() {})
+}`, nil, func() int { return 0 })
                c.Check(s.api.CalledWith("container.state", nextState), NotNil)
                c.Check(s.api.Logs["crunch-run"].String(), Matches, "(?ms).*unable to run containers.*")
                if s.runner.brokenNodeHook != "" {
@@ -2016,7 +2101,7 @@ func (s *TestSuite) TestBadCommand(c *C) {
     "priority": 1,
     "runtime_constraints": {},
     "state": "Locked"
-}`, nil, 0, func() {})
+}`, nil, func() int { return 0 })
                c.Check(s.api.CalledWith("container.state", "Cancelled"), NotNil)
                c.Check(s.api.Logs["crunch-run"].String(), Matches, "(?ms).*Possible causes:.*is missing.*")
        }
@@ -2039,10 +2124,11 @@ func (s *TestSuite) TestSecretTextMountPoint(c *C) {
                "state": "Locked"
        }`
 
-       s.fullRunHelper(c, helperRecord, nil, 0, func() {
+       s.fullRunHelper(c, helperRecord, nil, func() int {
                content, err := ioutil.ReadFile(s.runner.HostOutputDir + "/secret.conf")
                c.Check(err, IsNil)
                c.Check(string(content), Equals, "mypassword")
+               return 0
        })
 
        c.Check(s.api.CalledWith("container.exit_code", 0), NotNil)
@@ -2068,10 +2154,11 @@ func (s *TestSuite) TestSecretTextMountPoint(c *C) {
        }`
 
        s.SetUpTest(c)
-       s.fullRunHelper(c, helperRecord, nil, 0, func() {
+       s.fullRunHelper(c, helperRecord, nil, func() int {
                content, err := ioutil.ReadFile(s.runner.HostOutputDir + "/secret.conf")
                c.Check(err, IsNil)
                c.Check(string(content), Equals, "mypassword")
+               return 0
        })
 
        c.Check(s.api.CalledWith("container.exit_code", 0), NotNil)
@@ -2097,7 +2184,7 @@ func (s *TestSuite) TestSecretTextMountPoint(c *C) {
        }`
 
        s.SetUpTest(c)
-       _, _, realtemp := s.fullRunHelper(c, helperRecord, nil, 0, func() {
+       _, _, realtemp := s.fullRunHelper(c, helperRecord, nil, func() int {
                // secret.conf should be provisioned as a separate
                // bind mount, i.e., it should not appear in the
                // (fake) fuse filesystem as viewed from the host.
@@ -2107,6 +2194,7 @@ func (s *TestSuite) TestSecretTextMountPoint(c *C) {
                }
                err = ioutil.WriteFile(s.runner.HostOutputDir+"/.arvados#collection", []byte(`{"manifest_text":". acbd18db4cc2f85cedef654fccc4a4d8+3 0:3:foo.txt\n"}`), 0700)
                c.Check(err, IsNil)
+               return 0
        })
 
        content, err := ioutil.ReadFile(realtemp + "/text1/mountdata.text")