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state_test.go
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// Copyright 2019 Northern.tech AS
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package main
import (
"bytes"
"encoding/json"
"errors"
"fmt"
"io"
"io/ioutil"
"os"
"os/exec"
"path"
"strconv"
"strings"
"syscall"
"testing"
"time"
"github.com/mendersoftware/log"
"github.com/mendersoftware/mender/client"
"github.com/mendersoftware/mender/datastore"
"github.com/mendersoftware/mender/installer"
"github.com/mendersoftware/mender/statescript"
"github.com/mendersoftware/mender/store"
"github.com/mendersoftware/mender/system"
stest "github.com/mendersoftware/mender/system/testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
type stateTestController struct {
fakeDevice
updater fakeUpdater
artifactName string
updatePollIntvl time.Duration
inventPollIntvl time.Duration
retryIntvl time.Duration
state State
updateResp *datastore.UpdateInfo
updateRespErr menderError
authorized bool
authorizeErr menderError
reportError menderError
logSendingError menderError
reportStatus string
reportUpdate datastore.UpdateInfo
logUpdate datastore.UpdateInfo
logs []byte
inventoryErr error
}
func (s *stateTestController) GetCurrentArtifactName() (string, error) {
if s.artifactName == "" {
return "", errors.New("open ..., no such file or directory")
}
return s.artifactName, nil
}
func (s *stateTestController) GetUpdatePollInterval() time.Duration {
return s.updatePollIntvl
}
func (s *stateTestController) GetInventoryPollInterval() time.Duration {
return s.inventPollIntvl
}
func (s *stateTestController) GetRetryPollInterval() time.Duration {
return s.retryIntvl
}
func (s *stateTestController) CheckUpdate() (*datastore.UpdateInfo, menderError) {
return s.updateResp, s.updateRespErr
}
func (s *stateTestController) FetchUpdate(url string) (io.ReadCloser, int64, error) {
return s.updater.FetchUpdate(nil, url)
}
func (s *stateTestController) GetCurrentState() State {
return s.state
}
func (s *stateTestController) SetNextState(state State) {
s.state = state
}
func (s *stateTestController) TransitionState(next State, ctx *StateContext) (State, bool) {
next, cancel := s.state.Handle(ctx, s)
s.state = next
return next, cancel
}
func (s *stateTestController) Authorize() menderError {
return s.authorizeErr
}
func (s *stateTestController) IsAuthorized() bool {
return s.authorized
}
func (s *stateTestController) ReportUpdateStatus(update *datastore.UpdateInfo, status string) menderError {
s.reportUpdate = *update
s.reportStatus = status
return s.reportError
}
func (s *stateTestController) UploadLog(update *datastore.UpdateInfo, logs []byte) menderError {
s.logUpdate = *update
s.logs = logs
return s.logSendingError
}
func (s *stateTestController) InventoryRefresh() error {
return s.inventoryErr
}
func (s *stateTestController) CheckScriptsCompatibility() error {
return nil
}
func (s *stateTestController) ReadArtifactHeaders(from io.ReadCloser) (*installer.Installer, error) {
installerFactories := installer.AllModules{
DualRootfs: s.fakeDevice,
}
installer, _, err := installer.ReadHeaders(from,
"vexpress-qemu",
nil,
"",
&installerFactories)
return installer, err
}
func (s *stateTestController) GetInstallers() []installer.PayloadUpdatePerformer {
return []installer.PayloadUpdatePerformer{s.fakeDevice}
}
func (s *stateTestController) RestoreInstallersFromTypeList(payloadTypes []string) error {
return nil
}
func (s *stateTestController) NewStatusReportWrapper(updateId string,
stateId datastore.MenderState) *client.StatusReportWrapper {
return nil
}
func (s *stateTestController) GetScriptExecutor() statescript.Executor {
return nil
}
type waitStateTest struct {
baseState
}
func (c *waitStateTest) Wait(next, same State, wait time.Duration, wake chan bool) (State, bool) {
log.Debugf("Fake waiting for %f seconds, going from state %s to state %s",
wait.Seconds(), same.Id(), next.Id())
return next, false
}
func (c *waitStateTest) Wake() bool {
return true // Dummy.
}
func (c *waitStateTest) Stop() {
// Noop for now.
}
func (c *waitStateTest) Handle(*StateContext, Controller) (State, bool) {
return c, false
}
func TestStateBase(t *testing.T) {
bs := baseState{
id: datastore.MenderStateInit,
}
assert.Equal(t, datastore.MenderStateInit, bs.Id())
assert.False(t, bs.Cancel())
}
func TestStateWait(t *testing.T) {
cs := NewWaitState(datastore.MenderStateAuthorizeWait, ToNone)
assert.Equal(t, datastore.MenderStateAuthorizeWait, cs.Id())
var s State
var c bool
// no update
var tstart, tend time.Time
ctx := StateContext{
wakeupChan: make(chan bool, 1),
}
tstart = time.Now()
s, c = cs.Wait(authorizeState, authorizeWaitState, 100*time.Millisecond, ctx.wakeupChan)
tend = time.Now()
// not cancelled should return the 'next' state
assert.Equal(t, authorizeState, s)
assert.False(t, c)
assert.WithinDuration(t, tend, tstart, 105*time.Millisecond)
// asynchronously cancel state operation
go func() {
ch := cs.Cancel()
assert.True(t, ch)
}()
// should finish right away
tstart = time.Now()
s, c = cs.Wait(authorizeState, authorizeWaitState, 100*time.Millisecond, ctx.wakeupChan)
tend = time.Now()
// canceled should return the same state
assert.Equal(t, authorizeWaitState, s)
assert.True(t, c)
assert.WithinDuration(t, tend, tstart, 5*time.Millisecond)
// Force wake from sleep and continue execution.
go func() {
assert.True(t, cs.Wake())
}()
s, c = cs.Wait(authorizeState, authorizeWaitState, 10*time.Second, ctx.wakeupChan)
// Wake should return the next state
assert.Equal(t, authorizeState, s)
assert.False(t, c)
}
func TestStateError(t *testing.T) {
fooerr := NewTransientError(errors.New("foo"))
es := NewErrorState(fooerr)
assert.Equal(t, datastore.MenderStateError, es.Id())
assert.IsType(t, &ErrorState{}, es)
errstate, _ := es.(*ErrorState)
assert.NotNil(t, errstate)
assert.Equal(t, fooerr, errstate.cause)
s, c := es.Handle(nil, &stateTestController{})
assert.IsType(t, &IdleState{}, s)
assert.False(t, c)
es = NewErrorState(nil)
errstate, _ = es.(*ErrorState)
assert.NotNil(t, errstate)
assert.Contains(t, errstate.cause.Error(), "general error")
s, c = es.Handle(nil, &stateTestController{})
assert.IsType(t, &FinalState{}, s)
assert.False(t, c)
}
func TestStateUpdateReportStatus(t *testing.T) {
update := &datastore.UpdateInfo{
ID: "foobar",
}
ms := store.NewMemStore()
ctx := StateContext{
store: ms,
}
sc := &stateTestController{}
// create directory for storing deployments logs
tempDir, _ := ioutil.TempDir("", "logs")
defer os.RemoveAll(tempDir)
openLogFileWithContent(path.Join(tempDir, "deployments.0001.foobar.log"),
`{ "time": "12:12:12", "level": "error", "msg": "log foo" }`)
DeploymentLogger = NewDeploymentLogManager(tempDir)
usr := NewUpdateStatusReportState(update, client.StatusFailure)
usr.Handle(&ctx, sc)
assert.Equal(t, client.StatusFailure, sc.reportStatus)
assert.Equal(t, *update, sc.reportUpdate)
assert.NotEmpty(t, sc.logs)
assert.JSONEq(t, `{
"messages": [
{
"time": "12:12:12",
"level": "error",
"msg": "log foo"
}
]}`, string(sc.logs))
sc = &stateTestController{}
usr = NewUpdateStatusReportState(update, client.StatusSuccess)
usr.Handle(&ctx, sc)
assert.Equal(t, client.StatusSuccess, sc.reportStatus)
assert.Equal(t, *update, sc.reportUpdate)
// cancelled state should not wipe state data, for this pretend the reporting
// fails and cancel
sc = &stateTestController{
reportError: NewTransientError(errors.New("report failed")),
}
usr = NewUpdateStatusReportState(update, client.StatusSuccess)
s, c := usr.Handle(&ctx, sc)
// there was an error while reporting status; we should retry
assert.IsType(t, s, &UpdateStatusReportRetryState{})
assert.False(t, c)
poll := 5 * time.Millisecond
retry := 1 * time.Millisecond
// error sending status
sc = &stateTestController{
updatePollIntvl: poll,
retryIntvl: retry,
reportError: NewTransientError(errors.New("test error sending status")),
}
shouldTry := maxSendingAttempts(poll, retry, minReportSendRetries)
s = NewUpdateStatusReportState(update, client.StatusSuccess)
now := time.Now()
for i := 0; i < shouldTry; i++ {
s, c = s.Handle(&ctx, sc)
assert.IsType(t, &UpdateStatusReportRetryState{}, s)
assert.False(t, c)
s, c = s.Handle(&ctx, sc)
assert.IsType(t, &UpdateStatusReportState{}, s)
assert.False(t, c)
}
assert.WithinDuration(t, now, time.Now(), time.Duration(int64(shouldTry)*int64(retry))+time.Millisecond*10)
// next attempt should return an error
s, c = s.Handle(&ctx, sc)
assert.IsType(t, &UpdateStatusReportRetryState{}, s)
s, c = s.Handle(&ctx, sc)
assert.IsType(t, &ReportErrorState{}, s)
assert.False(t, c)
// error sending logs
sc = &stateTestController{
updatePollIntvl: poll,
retryIntvl: retry,
logSendingError: NewTransientError(errors.New("test error sending logs")),
}
s = NewUpdateStatusReportState(update, client.StatusFailure)
now = time.Now()
for i := 0; i < shouldTry; i++ {
s, c = s.Handle(&ctx, sc)
assert.IsType(t, &UpdateStatusReportRetryState{}, s)
assert.False(t, c)
s, c = s.Handle(&ctx, sc)
assert.IsType(t, &UpdateStatusReportState{}, s)
assert.False(t, c)
}
assert.WithinDuration(t, now, time.Now(), time.Duration(int64(shouldTry)*int64(retry))+time.Millisecond*10)
s, c = s.Handle(&ctx, sc)
assert.IsType(t, &UpdateStatusReportRetryState{}, s)
s, c = s.Handle(&ctx, sc)
assert.IsType(t, s, &ReportErrorState{})
assert.False(t, c)
// pretend update was aborted at the backend, but was applied
// successfully on the device
usr = NewUpdateStatusReportState(update, client.StatusSuccess)
sc = &stateTestController{
reportError: NewFatalError(client.ErrDeploymentAborted),
}
s, c = usr.Handle(&ctx, sc)
assert.IsType(t, &ReportErrorState{}, s)
// pretend update was aborted at the backend, along with local failure
usr = NewUpdateStatusReportState(update, client.StatusFailure)
sc = &stateTestController{
reportError: NewFatalError(client.ErrDeploymentAborted),
}
s, c = usr.Handle(&ctx, sc)
assert.IsType(t, &ReportErrorState{}, s)
}
func TestStateIdle(t *testing.T) {
i := IdleState{}
s, c := i.Handle(&StateContext{}, &stateTestController{
authorized: false,
})
assert.IsType(t, &AuthorizeWaitState{}, s)
assert.False(t, c)
s, c = i.Handle(&StateContext{}, &stateTestController{
authorized: true,
})
assert.IsType(t, &CheckWaitState{}, s)
assert.False(t, c)
}
func TestStateAuthorize(t *testing.T) {
a := AuthorizeState{}
s, c := a.Handle(nil, &stateTestController{})
assert.IsType(t, &CheckWaitState{}, s)
assert.False(t, c)
s, c = a.Handle(nil, &stateTestController{
authorizeErr: NewTransientError(errors.New("auth fail temp")),
})
assert.IsType(t, &AuthorizeWaitState{}, s)
assert.False(t, c)
s, c = a.Handle(nil, &stateTestController{
authorizeErr: NewFatalError(errors.New("auth error")),
})
assert.IsType(t, &ErrorState{}, s)
assert.False(t, c)
}
func TestStateInvetoryUpdate(t *testing.T) {
ius := inventoryUpdateState
ctx := new(StateContext)
s, _ := ius.Handle(ctx, &stateTestController{
inventoryErr: errors.New("some err"),
})
assert.IsType(t, &CheckWaitState{}, s)
s, _ = ius.Handle(ctx, &stateTestController{})
assert.IsType(t, &CheckWaitState{}, s)
// no artifact name should fail
s, _ = ius.Handle(ctx, &stateTestController{
inventoryErr: errNoArtifactName,
})
assert.IsType(t, &ErrorState{}, s)
}
func TestStateAuthorizeWait(t *testing.T) {
cws := NewAuthorizeWaitState()
var s State
var c bool
ctx := new(StateContext)
var tstart, tend time.Time
// initial call, immediate return
tstart = time.Now()
s, c = cws.Handle(ctx, &stateTestController{
retryIntvl: 10 * time.Second,
})
tend = time.Now()
assert.IsType(t, &AuthorizeState{}, s)
assert.False(t, c)
assert.WithinDuration(t, tend, tstart, 10*time.Millisecond)
// no update
tstart = time.Now()
s, c = cws.Handle(ctx, &stateTestController{
retryIntvl: 100 * time.Millisecond,
})
tend = time.Now()
assert.IsType(t, &AuthorizeState{}, s)
assert.False(t, c)
assert.WithinDuration(t, tend, tstart, 105*time.Millisecond)
// asynchronously cancel state operation
go func() {
ch := cws.Cancel()
assert.True(t, ch)
}()
// should finish right away
tstart = time.Now()
s, c = cws.Handle(ctx, &stateTestController{
retryIntvl: 100 * time.Millisecond,
})
tend = time.Now()
// canceled state should return itself
assert.IsType(t, &AuthorizeWaitState{}, s)
assert.True(t, c)
assert.WithinDuration(t, tend, tstart, 5*time.Millisecond)
}
func TestStateUpdateCheckWait(t *testing.T) {
cws := NewCheckWaitState()
ctx := new(StateContext)
// no iventory was sent; we should first send inventory
var tstart, tend time.Time
tstart = time.Now()
s, c := cws.Handle(ctx, &stateTestController{
updatePollIntvl: 10 * time.Millisecond,
inventPollIntvl: 20 * time.Millisecond,
})
tend = time.Now()
assert.IsType(t, &InventoryUpdateState{}, s)
assert.False(t, c)
assert.WithinDuration(t, tend, tstart, 15*time.Millisecond)
// now we have inventory sent; should send update request
ctx.lastInventoryUpdateAttempt = tend
tstart = time.Now()
s, c = cws.Handle(ctx, &stateTestController{
updatePollIntvl: 10 * time.Millisecond,
inventPollIntvl: 20 * time.Millisecond,
})
tend = time.Now()
assert.IsType(t, &UpdateCheckState{}, s)
assert.False(t, c)
assert.WithinDuration(t, tend, tstart, 15*time.Millisecond)
// next time should still send an update request
// it is time for both, but update req has preference
ctx.lastUpdateCheckAttempt = tend
tstart = time.Now()
s, c = cws.Handle(ctx, &stateTestController{
updatePollIntvl: 10 * time.Millisecond,
inventPollIntvl: 20 * time.Millisecond,
})
tend = time.Now()
assert.IsType(t, &UpdateCheckState{}, s)
assert.False(t, c)
assert.WithinDuration(t, tend, tstart, 15*time.Millisecond)
// finally it should send inventory update
ctx.lastUpdateCheckAttempt = tend
tstart = time.Now()
s, c = cws.Handle(ctx, &stateTestController{
updatePollIntvl: 10 * time.Millisecond,
inventPollIntvl: 20 * time.Millisecond,
})
tend = time.Now()
assert.IsType(t, &InventoryUpdateState{}, s)
assert.False(t, c)
assert.WithinDuration(t, tend, tstart, 15*time.Millisecond)
// asynchronously cancel state operation
go func() {
ch := cws.Cancel()
assert.True(t, ch)
}()
// should finish right away
tstart = time.Now()
s, c = cws.Handle(ctx, &stateTestController{
updatePollIntvl: 100 * time.Millisecond,
inventPollIntvl: 100 * time.Millisecond,
})
tend = time.Now()
// canceled state should return itself
assert.IsType(t, &CheckWaitState{}, s)
assert.True(t, c)
assert.WithinDuration(t, tend, tstart, 5*time.Millisecond)
}
func TestStateUpdateCheck(t *testing.T) {
cs := UpdateCheckState{}
ctx := new(StateContext)
var s State
var c bool
// no update
s, c = cs.Handle(ctx, &stateTestController{})
assert.IsType(t, &CheckWaitState{}, s)
assert.False(t, c)
// pretend update check failed
s, c = cs.Handle(ctx, &stateTestController{
updateRespErr: NewTransientError(errors.New("check failed")),
})
assert.IsType(t, &ErrorState{}, s)
assert.False(t, c)
// pretend we have an update
update := &datastore.UpdateInfo{}
s, c = cs.Handle(ctx, &stateTestController{
updateResp: update,
})
assert.IsType(t, &UpdateFetchState{}, s)
assert.False(t, c)
ufs, _ := s.(*UpdateFetchState)
assert.Equal(t, *update, ufs.update)
}
func TestUpdateCheckSameImage(t *testing.T) {
cs := UpdateCheckState{}
ctx := new(StateContext)
var s State
var c bool
// pretend we have an update
update := &datastore.UpdateInfo{
ID: "my-id",
}
s, c = cs.Handle(ctx, &stateTestController{
updateResp: update,
updateRespErr: NewTransientError(os.ErrExist),
})
assert.IsType(t, &UpdateStatusReportState{}, s)
assert.False(t, c)
urs, _ := s.(*UpdateStatusReportState)
assert.Equal(t, *update, *urs.Update())
assert.Equal(t, client.StatusAlreadyInstalled, urs.status)
}
func TestStateUpdateFetch(t *testing.T) {
// create directory for storing deployments logs
tempDir, _ := ioutil.TempDir("", "logs")
defer os.RemoveAll(tempDir)
DeploymentLogger = NewDeploymentLogManager(tempDir)
// pretend we have an update
update := &datastore.UpdateInfo{
ID: "foobar",
}
cs := NewUpdateFetchState(update)
ms := store.NewMemStore()
ctx := StateContext{
store: ms,
}
// can not store state data
ms.ReadOnly(true)
s, c := cs.Handle(&ctx, &stateTestController{})
assert.IsType(t, &UpdateStoreState{}, s)
assert.False(t, c)
s, c = transitionState(s, &ctx, &stateTestController{state: cs})
assert.IsType(t, &UpdateCleanupState{}, s)
assert.False(t, c)
ms.ReadOnly(false)
data := "test"
stream := ioutil.NopCloser(bytes.NewBufferString(data))
sc := &stateTestController{
updater: fakeUpdater{
fetchUpdateReturnReadCloser: stream,
fetchUpdateReturnSize: int64(len(data)),
},
state: cs,
}
s, c = cs.Handle(&ctx, sc)
assert.IsType(t, &UpdateStoreState{}, s)
assert.False(t, c)
assert.Equal(t, client.StatusDownloading, sc.reportStatus)
assert.Equal(t, *update, sc.reportUpdate)
uis := s.(*UpdateStoreState)
assert.Equal(t, stream, uis.imagein)
s, c = transitionState(s, &ctx, sc)
assert.IsType(t, &FetchStoreRetryState{}, s)
assert.False(t, c)
ud, err := LoadStateData(ms)
assert.NoError(t, err)
// Ignore state data store count.
ud.UpdateInfo.StateDataStoreCount = 0
assert.Equal(t, datastore.StateData{
Version: datastore.StateDataVersion,
UpdateInfo: *update,
Name: datastore.MenderStateUpdateStore,
}, ud)
}
func TestStateUpdateFetchRetry(t *testing.T) {
// pretend we have an update
update := &datastore.UpdateInfo{
ID: "foobar",
}
cs := NewUpdateFetchState(update)
ms := store.NewMemStore()
ctx := StateContext{
store: ms,
}
stc := stateTestController{
updater: fakeUpdater{
fetchUpdateReturnError: NewTransientError(errors.New("fetch failed")),
},
updatePollIntvl: 5 * time.Minute,
}
// pretend update check failed
s, c := cs.Handle(&ctx, &stc)
assert.IsType(t, &FetchStoreRetryState{}, s)
assert.False(t, c)
// Test for the twelve expected attempts:
// (1m*3) + (2m*3) + (4m*3) + (5m*3)
for i := 0; i < 12; i++ {
s.(*FetchStoreRetryState).WaitState = &waitStateTest{}
s, c = s.Handle(&ctx, &stc)
assert.IsType(t, &UpdateFetchState{}, s)
assert.False(t, c)
s, c = s.Handle(&ctx, &stc)
assert.IsType(t, &FetchStoreRetryState{}, s)
assert.False(t, c)
}
// Final attempt should fail completely.
s.(*FetchStoreRetryState).WaitState = &waitStateTest{baseState{
id: datastore.MenderStateCheckWait,
}}
s, c = s.Handle(&ctx, &stc)
assert.IsType(t, &UpdateErrorState{}, s)
assert.False(t, c)
}
func TestStateUpdateStore(t *testing.T) {
// create directory for storing deployments logs
tempDir, _ := ioutil.TempDir("", "logs")
defer os.RemoveAll(tempDir)
DeploymentLogger = NewDeploymentLogManager(tempDir)
stream, err := MakeRootfsImageArtifact(3, false)
require.NoError(t, err)
update := &datastore.UpdateInfo{
ID: "foo",
Artifact: datastore.Artifact{
ArtifactName: "TestName",
PayloadTypes: []string{"rootfs-image"},
},
SupportsRollback: datastore.RollbackSupported,
}
uis := NewUpdateStoreState(stream, update)
ms := store.NewMemStore()
ctx := StateContext{
store: ms,
}
sc := &stateTestController{
fakeDevice: fakeDevice{
consumeUpdate: true,
},
}
// pretend fail
s, c := uis.HandleError(&ctx, sc, NewFatalError(errors.New("test failure")))
assert.IsType(t, &UpdateCleanupState{}, s)
s, c = uis.Handle(&ctx, sc)
assert.IsType(t, &UpdateAfterStoreState{}, s)
assert.False(t, c)
assert.Equal(t, client.StatusDownloading, sc.reportStatus)
ud, err := LoadStateData(ms)
assert.NoError(t, err)
newUpdate := datastore.StateData{
Version: datastore.StateDataVersion,
UpdateInfo: *update,
Name: datastore.MenderStateUpdateStore,
}
newUpdate.UpdateInfo.StateDataStoreCount = 3
assert.Equal(t, newUpdate, ud)
// pretend update was aborted
sc = &stateTestController{
reportError: NewFatalError(client.ErrDeploymentAborted),
}
s, c = uis.Handle(&ctx, sc)
assert.IsType(t, &UpdateStatusReportState{}, s)
}
func TestStateWrongArtifactNameFromServer(t *testing.T) {
// create directory for storing deployments logs
tempDir, _ := ioutil.TempDir("", "logs")
defer os.RemoveAll(tempDir)
DeploymentLogger = NewDeploymentLogManager(tempDir)
stream, err := MakeRootfsImageArtifact(3, false)
require.NoError(t, err)
update := &datastore.UpdateInfo{
ID: "foo",
Artifact: datastore.Artifact{
ArtifactName: "WrongName",
PayloadTypes: []string{"rootfs-image"},
},
SupportsRollback: datastore.RollbackSupported,
}
uis := NewUpdateStoreState(stream, update)
ms := store.NewMemStore()
ctx := StateContext{
store: ms,
}
sc := &stateTestController{
fakeDevice: fakeDevice{
consumeUpdate: true,
},
}
s, c := uis.Handle(&ctx, sc)
// Straight to status report, failure.
assert.IsType(t, &UpdateStatusReportState{}, s)
assert.False(t, c)
}
func TestStateUpdateInstallRetry(t *testing.T) {
// create directory for storing deployments logs
tempDir, _ := ioutil.TempDir("", "logs")
defer os.RemoveAll(tempDir)
DeploymentLogger = NewDeploymentLogManager(tempDir)
update := &datastore.UpdateInfo{
ID: "foo",
}
data := "test"
stream := ioutil.NopCloser(bytes.NewBufferString(data))
uis := NewUpdateStoreState(stream, update)
ms := store.NewMemStore()
ctx := StateContext{
store: ms,
}
stc := stateTestController{
fakeDevice: fakeDevice{
retStoreUpdate: NewFatalError(errors.New("install failed")),
},
updatePollIntvl: 5 * time.Minute,
}
// pretend update check failed
s, c := uis.Handle(&ctx, &stc)
assert.IsType(t, &FetchStoreRetryState{}, s)
assert.False(t, c)
// Test for the twelve expected attempts:
// (1m*3) + (2m*3) + (4m*3) + (5m*3)
for i := 0; i < 12; i++ {
s.(*FetchStoreRetryState).WaitState = &waitStateTest{baseState{
id: datastore.MenderStateCheckWait,
}}
s, c = s.Handle(&ctx, &stc)
assert.IsType(t, &UpdateFetchState{}, s)
assert.False(t, c)
s, c = s.Handle(&ctx, &stc)
assert.IsType(t, &UpdateStoreState{}, s)
assert.False(t, c)
// Reset data stream to something that can be closed.
stream = ioutil.NopCloser(bytes.NewBufferString(data))
s.(*UpdateStoreState).imagein = stream
s, c = s.Handle(&ctx, &stc)
assert.IsType(t, &FetchStoreRetryState{}, s)
assert.False(t, c)
}
// Final attempt should fail completely.
s.(*FetchStoreRetryState).WaitState = &waitStateTest{baseState{
id: datastore.MenderStateCheckWait,
}}
s, c = s.Handle(&ctx, &stc)
assert.IsType(t, &UpdateErrorState{}, s)
assert.False(t, c)
}
func TestStateFinal(t *testing.T) {
rs := FinalState{}
assert.Panics(t, func() {
rs.Handle(nil, &stateTestController{})
}, "final state Handle() should panic")
}
func TestStateData(t *testing.T) {
ms := store.NewMemStore()
sd := datastore.StateData{
Version: datastore.StateDataVersion,
Name: datastore.MenderStateInit,
UpdateInfo: datastore.UpdateInfo{
ID: "foobar",
},
}
err := StoreStateData(ms, sd)
assert.NoError(t, err)
rsd, err := LoadStateData(ms)
assert.NoError(t, err)
modSd := sd
modSd.UpdateInfo.StateDataStoreCount = 2
assert.Equal(t, modSd, rsd)
// test if data marshalling works fine
data, err := ms.ReadAll(datastore.StateDataKey)
assert.NoError(t, err)
assert.Contains(t, string(data), `"Name":"init"`)
sd.Version = 999
err = StoreStateData(ms, sd)
assert.NoError(t, err)
rsd, err = LoadStateData(ms)
assert.Error(t, err)
ms.Remove(datastore.StateDataKey)
_, err = LoadStateData(ms)
assert.Error(t, err)
assert.True(t, os.IsNotExist(err))
}
func TestStateReportError(t *testing.T) {
update := &datastore.UpdateInfo{
ID: "foobar",
}
ms := store.NewMemStore()
ctx := &StateContext{
store: ms,
}
sc := &stateTestController{}
// update succeeded, but we failed to report the status to the server,
// rollback happens next
res := NewReportErrorState(update, client.StatusSuccess)
s, c := res.Handle(ctx, sc)
assert.IsType(t, &UpdateRollbackState{}, s)
assert.False(t, c)
// store some state data, failing to report status with a failed update
// will just clean that up and
StoreStateData(ms, datastore.StateData{
Name: datastore.MenderStateReportStatusError,
UpdateInfo: *update,
})
// update failed and we failed to report that status to the server,
// state data should be removed and we should go back to init
res = NewReportErrorState(update, client.StatusFailure)
s, c = res.Handle(ctx, sc)
assert.IsType(t, &IdleState{}, s)
assert.False(t, c)
_, err := LoadStateData(ms)
assert.Equal(t, err, nil)
// store some state data, failing to report status with an update that
// is already installed will also clean it up
StoreStateData(ms, datastore.StateData{
Name: datastore.MenderStateReportStatusError,
UpdateInfo: *update,
})
// update is already installed and we failed to report that status to
// the server, state data should be removed and we should go back to
// init
res = NewReportErrorState(update, client.StatusAlreadyInstalled)
s, c = res.Handle(ctx, sc)
assert.IsType(t, &IdleState{}, s)
assert.False(t, c)
_, err = LoadStateData(ms)
assert.Equal(t, err, nil)
}
func TestMaxSendingAttempts(t *testing.T) {
assert.Equal(t, minReportSendRetries,
maxSendingAttempts(time.Second, 0*time.Second, minReportSendRetries))
assert.Equal(t, minReportSendRetries,
maxSendingAttempts(time.Second, time.Minute, minReportSendRetries))
assert.Equal(t, 10, maxSendingAttempts(5*time.Second, time.Second, 3))
assert.Equal(t, minReportSendRetries,
maxSendingAttempts(time.Second, time.Second, minReportSendRetries))
}
type menderWithCustomUpdater struct {
*mender
updater fakeUpdater
reportWriter io.Writer
lastReport string
failStatusReportCount int
failStatusReportStatus string
}
func (m *menderWithCustomUpdater) CheckUpdate() (*datastore.UpdateInfo, menderError) {
update := datastore.UpdateInfo{}
update.Artifact.CompatibleDevices = []string{"test-device"}
update.Artifact.ArtifactName = "artifact-name"
update.ID = "abcdefg"
return &update, nil
}
func (m *menderWithCustomUpdater) ReportUpdateStatus(update *datastore.UpdateInfo, status string) menderError {