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build_and_deployer_live_update_test.go
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build_and_deployer_live_update_test.go
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package engine
import (
"fmt"
"strings"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"k8s.io/client-go/util/exec"
"github.com/tilt-dev/tilt/internal/engine/buildcontrol"
"github.com/tilt-dev/tilt/internal/k8s/testyaml"
"github.com/tilt-dev/tilt/internal/docker"
"github.com/tilt-dev/tilt/internal/store"
"github.com/tilt-dev/tilt/internal/testutils/manifestbuilder"
"github.com/tilt-dev/tilt/internal/container"
"github.com/tilt-dev/tilt/internal/k8s"
"github.com/tilt-dev/tilt/internal/synclet/sidecar"
"github.com/tilt-dev/tilt/pkg/model"
)
var userFailureErrDocker = docker.ExitError{ExitCode: 123}
var userFailureErrExec = exec.CodeExitError{
Err: fmt.Errorf("welcome to zombocom"),
Code: 123,
}
type testCase struct {
manifest model.Manifest
changedFiles []string // leave empty for from-scratch build
runningContainersByTarget map[model.TargetID][]container.ID // if empty, use default container
// expect that these targets (and only these targets) will be updated (i.e. will have build
// results, will have acted upon the associated containers). Must be used in conjunction with
// runningContainersByTarget. If blank, we check that all targets in runningContainersByTarget
// have been updated; if THAT is blank, we check that the last image target on the manifest
// has been updated
expectUpdatedTargets []model.TargetID
// Expect the BuildAndDeploy call to fail with an error containing this string
expectErrorContains string
// Docker actions
expectDockerBuildCount int
expectDockerPushCount int
expectDockerCopyCount int
expectDockerExecCount int
expectDockerRestartCount int
// Most synclet behavior is tested via the fake docker client,
// but you can assert on this to make sure updates actually happened
// via the synclet and not the DockerContainerUpdater
expectSyncletUpdateContainerCount int
// k8s/deploy actions
expectK8sExecCount int
expectK8sDeploy bool
expectSyncletDeploy bool
// logs checks
logsContain []string
logsDontContain []string
}
func runTestCase(t *testing.T, f *bdFixture, tCase testCase) {
if len(tCase.changedFiles) == 0 && len(tCase.runningContainersByTarget) != 0 {
t.Fatal("can't specify both empty changedFiles (implies from-scratch " +
"build) and non-empty running containers (implies there's an existing build " +
"to LiveUpdate on top of).")
}
if len(tCase.expectUpdatedTargets) > 0 && len(tCase.runningContainersByTarget) == 0 {
t.Fatal("can only specify expectUpdatedTargets with runningContainersByTarget" +
"(the former only makes sense in a multi-target scenario)")
}
manifest := tCase.manifest
bs := f.createBuildStateSet(manifest, tCase.changedFiles)
// Assume that the last image target is the deployed one.
iTargIdx := len(manifest.ImageTargets) - 1
iTarg := manifest.ImageTargetAt(iTargIdx)
require.True(t, manifest.IsImageDeployed(iTarg))
for targID, cIDs := range tCase.runningContainersByTarget {
cInfos := make([]store.ContainerInfo, len(cIDs))
for i, id := range cIDs {
cInfos[i] = store.ContainerInfo{
PodID: testPodID,
ContainerID: id,
ContainerName: container.Name(fmt.Sprintf("container %s", id)),
}
}
bs[targID] = bs[targID].WithRunningContainers(cInfos)
}
targets := buildTargets(manifest)
result, err := f.bd.BuildAndDeploy(f.ctx, f.st, targets, bs)
if tCase.expectErrorContains != "" {
require.NotNil(t, err, "expected error containing '%s' but got no error", tCase.expectErrorContains)
require.Contains(t, err.Error(), tCase.expectErrorContains,
"expected BuildAndDeploy error to contain string")
} else if err != nil {
t.Fatal(err)
}
assert.Equal(t, tCase.expectDockerBuildCount, f.docker.BuildCount, "docker build")
assert.Equal(t, tCase.expectDockerPushCount, f.docker.PushCount, "docker push")
assert.Equal(t, tCase.expectDockerCopyCount, f.docker.CopyCount, "docker copy")
assert.Equal(t, tCase.expectDockerExecCount, len(f.docker.ExecCalls), "docker exec")
if len(tCase.runningContainersByTarget) > 0 {
f.assertTotalContainerRestarts(tCase.expectDockerRestartCount)
} else {
f.assertContainerRestarts(tCase.expectDockerRestartCount)
}
assert.Equal(t, tCase.expectSyncletUpdateContainerCount, f.sCli.UpdateContainerCount)
assert.Equal(t, tCase.expectK8sExecCount, len(f.k8s.ExecCalls), "# k8s exec calls")
logsStr := f.logs.String()
if len(tCase.logsContain) > 0 {
for _, s := range tCase.logsContain {
assert.Contains(t, logsStr, s, "checking that logs contain expected string")
}
}
if len(tCase.logsDontContain) > 0 {
for _, s := range tCase.logsDontContain {
assert.NotContains(t, logsStr, s, "checking that logs do NOT contain string")
}
}
if tCase.expectErrorContains != "" {
return
}
if tCase.expectK8sDeploy {
expectedYaml := "image: gcr.io/some-project-162817/sancho:tilt-11cd0b38bc3ceb95"
if !strings.Contains(f.k8s.Yaml, expectedYaml) {
t.Errorf("Expected yaml to contain %q. Actual:\n%s", expectedYaml, f.k8s.Yaml)
}
assert.Equal(t, tCase.expectSyncletDeploy, strings.Contains(f.k8s.Yaml, sidecar.DefaultSyncletImageName), "expected synclet-deploy = %t (deployed yaml was: %s)", tCase.expectSyncletDeploy, f.k8s.Yaml)
return
} else {
require.Empty(t, f.k8s.Yaml, "expected no k8s deploy, but we deployed YAML: %s", f.k8s.Yaml)
}
expectUpdatedTargs := make(map[model.TargetID]bool)
if len(tCase.expectUpdatedTargets) > 0 {
expectUpdatedTargs = model.TargetIDSet(tCase.expectUpdatedTargets)
} else if len(tCase.runningContainersByTarget) > 0 {
for targID := range tCase.runningContainersByTarget {
expectUpdatedTargs[targID] = true
}
} else {
// if no other info provided, assume that the last image target is the deployed one
expectUpdatedTargs[manifest.ImageTargetAt(iTargIdx).ID()] = true
}
for tid, res := range result {
if !expectUpdatedTargs[tid] && res != nil {
t.Fatalf("got non empty result for target %s when didn't expect one. Result: %v", tid, res)
}
// mark this target as seen
delete(expectUpdatedTargs, tid)
if len(tCase.runningContainersByTarget) > 0 {
// We expect to have operated on the containers that the test specified
lRes := res.(store.LiveUpdateBuildResult)
assert.ElementsMatch(t, lRes.LiveUpdatedContainerIDs, tCase.runningContainersByTarget[tid])
} else {
// We set up the test with RunningContainer = DefaultContainer; expect to have operated on that.
assert.Equal(t, k8s.MagicTestContainerID, result.OneAndOnlyLiveUpdatedContainerID().String())
}
}
require.Empty(t, expectUpdatedTargs, "didn't find results for these expected targets")
}
func TestLiveUpdateDockerBuildLocalContainer(t *testing.T) {
f := newBDFixture(t, k8s.EnvDockerDesktop, container.RuntimeDocker)
defer f.TearDown()
tCase := testCase{
manifest: NewSanchoLiveUpdateManifest(f),
changedFiles: []string{"a.txt"},
expectDockerBuildCount: 0,
expectDockerPushCount: 0,
expectDockerCopyCount: 1,
expectDockerExecCount: 1,
expectDockerRestartCount: 1,
}
runTestCase(t, f, tCase)
}
func TestLiveUpdateDockerBuildLocalContainerSameImgMultipleContainers(t *testing.T) {
f := newBDFixture(t, k8s.EnvDockerDesktop, container.RuntimeDocker)
defer f.TearDown()
m := NewSanchoLiveUpdateManifest(f)
cIDs := []container.ID{"c1", "c2", "c3"}
tCase := testCase{
manifest: m,
runningContainersByTarget: map[model.TargetID][]container.ID{m.ImageTargetAt(0).ID(): cIDs},
changedFiles: []string{"a.txt"},
expectDockerBuildCount: 0,
expectDockerPushCount: 0,
// one of each operation per container
expectDockerCopyCount: 3,
expectDockerExecCount: 3,
expectDockerRestartCount: 3,
}
runTestCase(t, f, tCase)
}
func TestLiveUpdateDockerBuildSyncletSameImgMultipleContainers(t *testing.T) {
f := newBDFixtureWithUpdateMode(t, k8s.EnvGKE, container.RuntimeDocker, buildcontrol.UpdateModeSynclet)
defer f.TearDown()
m := NewSanchoLiveUpdateManifest(f)
cIDs := []container.ID{"c1", "c2", "c3"}
tCase := testCase{
manifest: m,
runningContainersByTarget: map[model.TargetID][]container.ID{m.ImageTargetAt(0).ID(): cIDs},
changedFiles: []string{"a.txt"},
expectDockerBuildCount: 0,
expectDockerPushCount: 0,
// one of each operation per container
expectSyncletUpdateContainerCount: 3,
expectDockerCopyCount: 3,
expectDockerExecCount: 3,
expectDockerRestartCount: 3,
}
runTestCase(t, f, tCase)
}
func TestLiveUpdateDockerBuildExecSameImgMultipleContainers(t *testing.T) {
f := newBDFixture(t, k8s.EnvGKE, container.RuntimeCrio)
defer f.TearDown()
iTarg := NewSanchoDockerBuildImageTarget(f)
lu := assembleLiveUpdate(SanchoSyncSteps(f), nil, false, []string{"i/match/nothing"}, f)
cIDs := []container.ID{"c1", "c2", "c3"}
tCase := testCase{
manifest: manifestbuilder.New(f, "sancho").
WithK8sYAML(SanchoYAML).
WithImageTarget(iTarg).
WithLiveUpdate(lu).
Build(),
runningContainersByTarget: map[model.TargetID][]container.ID{iTarg.ID(): cIDs},
changedFiles: []string{"a.txt"},
expectDockerBuildCount: 0,
expectDockerPushCount: 0,
// 1 per container (tar archive) x 3 containers
expectK8sExecCount: 3,
}
runTestCase(t, f, tCase)
}
func TestLiveUpdateDockerBuildLocalContainerDiffImgMultipleContainers(t *testing.T) {
f := newBDFixture(t, k8s.EnvDockerDesktop, container.RuntimeDocker)
defer f.TearDown()
sanchoTarg := NewSanchoLiveUpdateImageTarget(f)
sidecarTarg := NewSanchoSidecarLiveUpdateImageTarget(f)
tCase := testCase{
manifest: manifestbuilder.New(f, "sanchoWithSidecar").
WithK8sYAML(testyaml.SanchoSidecarYAML).
WithImageTargets(sanchoTarg, sidecarTarg).
Build(),
runningContainersByTarget: map[model.TargetID][]container.ID{
sanchoTarg.ID(): []container.ID{"c1"},
sidecarTarg.ID(): []container.ID{"c2"},
},
changedFiles: []string{"a.txt"},
expectDockerBuildCount: 0,
expectDockerPushCount: 0,
// one of each operation per container
expectDockerCopyCount: 2,
expectDockerExecCount: 2,
expectDockerRestartCount: 2,
}
runTestCase(t, f, tCase)
}
func TestLiveUpdateDockerBuildSyncletDiffImgMultipleContainers(t *testing.T) {
f := newBDFixtureWithUpdateMode(t, k8s.EnvGKE, container.RuntimeDocker, buildcontrol.UpdateModeSynclet)
defer f.TearDown()
sanchoTarg := NewSanchoLiveUpdateImageTarget(f)
sidecarTarg := NewSanchoSidecarLiveUpdateImageTarget(f)
tCase := testCase{
manifest: manifestbuilder.New(f, "sanchoWithSidecar").
WithK8sYAML(testyaml.SanchoSidecarYAML).
WithImageTargets(sanchoTarg, sidecarTarg).
Build(),
runningContainersByTarget: map[model.TargetID][]container.ID{
sanchoTarg.ID(): []container.ID{"c1"},
sidecarTarg.ID(): []container.ID{"c2"},
},
changedFiles: []string{"a.txt"},
expectDockerBuildCount: 0,
expectDockerPushCount: 0,
// one of each operation per container
expectSyncletUpdateContainerCount: 2,
expectDockerCopyCount: 2,
expectDockerExecCount: 2,
expectDockerRestartCount: 2,
}
runTestCase(t, f, tCase)
}
func TestLiveUpdateDockerBuildExecDiffImgMultipleContainers(t *testing.T) {
f := newBDFixture(t, k8s.EnvGKE, container.RuntimeCrio)
defer f.TearDown()
sanchoLU := assembleLiveUpdate(SanchoSyncSteps(f), SanchoRunSteps, false, nil, f)
sidecarLU := assembleLiveUpdate(SyncStepsForApp("sidecar", f), RunStepsForApp("sidecar"),
false, nil, f)
sanchoTarg := NewSanchoDockerBuildImageTarget(f)
sidecarTarg := NewSanchoSidecarDockerBuildImageTarget(f)
tCase := testCase{
manifest: manifestbuilder.New(f, "sanchoWithSidecar").
WithK8sYAML(testyaml.SanchoSidecarYAML).
WithImageTargets(sanchoTarg, sidecarTarg).
WithLiveUpdateAtIndex(sanchoLU, 0).
WithLiveUpdateAtIndex(sidecarLU, 1).
Build(),
runningContainersByTarget: map[model.TargetID][]container.ID{
sanchoTarg.ID(): []container.ID{"c1"},
sidecarTarg.ID(): []container.ID{"c2"},
},
changedFiles: []string{"a.txt"},
expectDockerBuildCount: 0,
expectDockerPushCount: 0,
// two (tar archive + run step) per container
expectK8sExecCount: 4,
}
runTestCase(t, f, tCase)
}
func TestLiveUpdateDiffImgMultipleContainersOnlySomeSyncsMatch(t *testing.T) {
f := newBDFixture(t, k8s.EnvGKE, container.RuntimeCrio)
defer f.TearDown()
sanchoPath := f.JoinPath("sancho")
sanchoSyncs := SanchoSyncSteps(f)
sanchoSyncs[0].Source = sanchoPath
sidecarPath := f.JoinPath("sidecar")
sidecarSyncs := SyncStepsForApp("sidecar", f)
sidecarSyncs[0].Source = sidecarPath
sanchoLU := assembleLiveUpdate(sanchoSyncs, SanchoRunSteps, false, nil, f)
sidecarLU := assembleLiveUpdate(sidecarSyncs, RunStepsForApp("sidecar"),
false, nil, f)
sanchoTarg := model.MustNewImageTarget(SanchoRef).WithBuildDetails(model.DockerBuild{
Dockerfile: SanchoDockerfile,
BuildPath: sanchoPath,
})
sidecarTarg := model.MustNewImageTarget(SanchoSidecarRef).WithBuildDetails(model.DockerBuild{
Dockerfile: SanchoDockerfile,
BuildPath: sidecarPath,
})
tCase := testCase{
manifest: manifestbuilder.New(f, "sanchoWithSidecar").
WithK8sYAML(testyaml.SanchoSidecarYAML).
WithImageTargets(sanchoTarg, sidecarTarg).
WithLiveUpdateAtIndex(sanchoLU, 0).
WithLiveUpdateAtIndex(sidecarLU, 1).
Build(),
runningContainersByTarget: map[model.TargetID][]container.ID{
sanchoTarg.ID(): []container.ID{"c1"},
sidecarTarg.ID(): []container.ID{"c2"},
},
changedFiles: []string{"sidecar/a.txt"}, // nothing matching Sancho's syncs
expectUpdatedTargets: []model.TargetID{sidecarTarg.ID()}, // we should only update the Sidecar target
expectDockerBuildCount: 0,
expectDockerPushCount: 0,
// two (tar archive + run step) per container
// only the sidecar should be updated, so expect 2 calls
expectK8sExecCount: 2,
}
runTestCase(t, f, tCase)
}
func TestLiveUpdateDiffImgMultipleContainersSameContextOnlyOneLiveUpdate(t *testing.T) {
f := newBDFixture(t, k8s.EnvGKE, container.RuntimeCrio)
defer f.TearDown()
buildContext := f.Path()
sanchoSyncs := SanchoSyncSteps(f)
sanchoSyncs[0].Source = buildContext
sanchoLU := assembleLiveUpdate(sanchoSyncs, SanchoRunSteps, false, nil, f)
sanchoTarg := model.MustNewImageTarget(SanchoRef).WithBuildDetails(model.DockerBuild{
Dockerfile: SanchoDockerfile,
BuildPath: buildContext,
})
sidecarTarg := model.MustNewImageTarget(SanchoSidecarRef).WithBuildDetails(model.DockerBuild{
Dockerfile: SanchoDockerfile,
BuildPath: buildContext,
})
tCase := testCase{
manifest: manifestbuilder.New(f, "sanchoWithSidecar").
WithK8sYAML(testyaml.SanchoSidecarYAML).
WithImageTargets(sanchoTarg, sidecarTarg).
WithLiveUpdateAtIndex(sanchoLU, 0).
Build(),
runningContainersByTarget: map[model.TargetID][]container.ID{
sanchoTarg.ID(): []container.ID{"c1"},
sidecarTarg.ID(): []container.ID{"c2"},
},
changedFiles: []string{"sancho/a.txt"},
expectDockerBuildCount: 2,
expectDockerPushCount: 2,
expectK8sDeploy: true,
}
runTestCase(t, f, tCase)
}
func TestLiveUpdateDiffImgMultipleContainersFallBackIfFilesDoesntMatchAnySyncs(t *testing.T) {
f := newBDFixture(t, k8s.EnvGKE, container.RuntimeCrio)
defer f.TearDown()
sanchoSyncs := SanchoSyncSteps(f)
sanchoSyncs[0].Source = f.JoinPath("sancho")
sidecarSyncs := SyncStepsForApp("sidecar", f)
sidecarSyncs[0].Source = f.JoinPath("sidecar")
sanchoLU := assembleLiveUpdate(sanchoSyncs, SanchoRunSteps, false, nil, f)
sidecarLU := assembleLiveUpdate(sidecarSyncs, RunStepsForApp("sidecar"),
false, nil, f)
sanchoTarg := NewSanchoDockerBuildImageTarget(f)
sidecarTarg := NewSanchoSidecarDockerBuildImageTarget(f)
tCase := testCase{
manifest: manifestbuilder.New(f, "sanchoWithSidecar").
WithK8sYAML(testyaml.SanchoSidecarYAML).
WithImageTargets(sanchoTarg, sidecarTarg).
WithLiveUpdateAtIndex(sanchoLU, 0).
WithLiveUpdateAtIndex(sidecarLU, 1).
Build(),
runningContainersByTarget: map[model.TargetID][]container.ID{
sanchoTarg.ID(): []container.ID{"c1"},
sidecarTarg.ID(): []container.ID{"c2"},
},
changedFiles: []string{"sidecar/matches_sync.txt", "./doesnt_match.txt"},
// expect to fall back to image build b/c one file matches NO syncs
expectDockerBuildCount: 2,
expectDockerPushCount: 2,
expectK8sDeploy: true,
// no container update, so expect no k8s exec calls
expectK8sExecCount: 0,
// fallback message for 1+ files not matching a sync
logsContain: []string{"Found file(s) not matching any sync",
"doesnt_match.txt"},
}
runTestCase(t, f, tCase)
}
func TestLiveUpdateDockerContainerUserRunFailureDoesntFallBack(t *testing.T) {
f := newBDFixture(t, k8s.EnvDockerDesktop, container.RuntimeDocker)
defer f.TearDown()
f.docker.SetExecError(userFailureErrDocker)
tCase := testCase{
manifest: NewSanchoLiveUpdateManifest(f),
changedFiles: []string{"a.txt"},
// BuildAndDeploy call will ultimately fail with this error,
// b/c we DON'T fall back to an image build
expectErrorContains: "failed with exit code: 123",
// called copy and exec before hitting error
// (so, did not restart)
expectDockerCopyCount: 1,
expectDockerExecCount: 1,
expectDockerRestartCount: 0,
// DO NOT fall back to image build
expectDockerBuildCount: 0,
expectK8sDeploy: false,
}
runTestCase(t, f, tCase)
}
// TODO(maia): make this test actually touch gRPC de/serialization,
// which is where most of this logic lives
func TestLiveUpdateSyncletUserRunFailureDoesntFallBack(t *testing.T) {
f := newBDFixtureWithUpdateMode(t, k8s.EnvGKE, container.RuntimeDocker, buildcontrol.UpdateModeSynclet)
defer f.TearDown()
f.docker.SetExecError(userFailureErrDocker)
tCase := testCase{
manifest: NewSanchoLiveUpdateManifest(f),
changedFiles: []string{"a.txt"},
// BuildAndDeploy call will ultimately fail with this error,
// b/c we DON'T fall back to an image build
expectErrorContains: "failed with exit code: 123",
expectSyncletUpdateContainerCount: 1,
// called copy and exec before hitting error
// (so, did not restart)
expectDockerCopyCount: 1,
expectDockerExecCount: 1,
expectDockerRestartCount: 0,
// DO NOT fall back to image build
expectDockerBuildCount: 0,
expectK8sDeploy: false,
}
runTestCase(t, f, tCase)
}
func TestLiveUpdateExecUserRunFailureDoesntFallBack(t *testing.T) {
f := newBDFixture(t, k8s.EnvDockerDesktop, container.RuntimeCrio)
defer f.TearDown()
f.k8s.ExecErrors = []error{nil, userFailureErrExec}
lu := assembleLiveUpdate(SanchoSyncSteps(f), SanchoRunSteps, false, []string{"i/match/nothing"}, f)
tCase := testCase{
manifest: manifestbuilder.New(f, "sancho").
WithK8sYAML(SanchoYAML).
WithImageTarget(NewSanchoDockerBuildImageTarget(f)).
WithLiveUpdate(lu).
Build(),
changedFiles: []string{"a.txt"},
// BuildAndDeploy call will ultimately fail with this error,
// b/c we DON'T fall back to an image build
expectErrorContains: "failed with exit code: 123",
// called exec twice (tar archive, run command) before hitting error
expectK8sExecCount: 2,
// DO NOT fall back to image build
expectDockerBuildCount: 0,
expectK8sDeploy: false,
}
runTestCase(t, f, tCase)
}
// If any container updates fail with a non-UserRunFailure, fall back to image build.
func TestLiveUpdateMultipleContainersFallsBackForFailure(t *testing.T) {
f := newBDFixture(t, k8s.EnvDockerDesktop, container.RuntimeDocker)
defer f.TearDown()
f.docker.SetExecError(fmt.Errorf("egads"))
m := NewSanchoLiveUpdateManifest(f)
cIDs := []container.ID{"c1", "c2", "c3"}
tCase := testCase{
manifest: m,
runningContainersByTarget: map[model.TargetID][]container.ID{m.ImageTargetAt(0).ID(): cIDs},
changedFiles: []string{"a.txt"},
// attempted container update; called copy and exec before hitting error
expectDockerCopyCount: 1,
expectDockerExecCount: 1,
// fell back to image build
expectDockerBuildCount: 1,
expectK8sDeploy: true,
}
runTestCase(t, f, tCase)
}
// Even if the first container update succeeds, if any subsequent container updates
// fail with a non-UserRunFailure, fall back to image build.
func TestLiveUpdateMultipleContainersFallsBackForFailureAfterSuccess(t *testing.T) {
f := newBDFixture(t, k8s.EnvDockerDesktop, container.RuntimeDocker)
defer f.TearDown()
// First call = no error, second call = error
f.docker.ExecErrorsToThrow = []error{nil, fmt.Errorf("egads")}
m := NewSanchoLiveUpdateManifest(f)
cIDs := []container.ID{"c1", "c2", "c3"}
tCase := testCase{
manifest: m,
runningContainersByTarget: map[model.TargetID][]container.ID{m.ImageTargetAt(0).ID(): cIDs},
changedFiles: []string{"a.txt"},
// one successful update (copy, exec, restart);
// one truncated update (copy, exec) before hitting error
expectDockerCopyCount: 2,
expectDockerExecCount: 2,
expectDockerRestartCount: 1,
// fell back to image build
expectDockerBuildCount: 1,
expectK8sDeploy: true,
}
runTestCase(t, f, tCase)
}
// If one container update fails with UserRunFailure, continue running updates on
// all containers. If ALL the updates fail with a UserRunFailure, don't fall back.
func TestLiveUpdateMultipleContainersUpdatesAllForUserRunFailuresAndDoesntFallBack(t *testing.T) {
f := newBDFixture(t, k8s.EnvDockerDesktop, container.RuntimeDocker)
defer f.TearDown()
// Same UserRunFailure on all three exec calls
f.docker.ExecErrorsToThrow = []error{userFailureErrDocker, userFailureErrDocker, userFailureErrDocker}
m := NewSanchoLiveUpdateManifest(f)
cIDs := []container.ID{"c1", "c2", "c3"}
tCase := testCase{
manifest: m,
runningContainersByTarget: map[model.TargetID][]container.ID{m.ImageTargetAt(0).ID(): cIDs},
changedFiles: []string{"a.txt"},
// BuildAndDeploy call will ultimately fail with this error,
// b/c we DON'T fall back to an image build
expectErrorContains: "failed with exit code: 123",
// attempted update for each container;
// for each, called copy and exec before hitting error
// (so did not call restart)
expectDockerCopyCount: 3,
expectDockerExecCount: 3,
expectDockerRestartCount: 0,
// DO NOT fall back to image build
expectDockerBuildCount: 0,
expectK8sDeploy: false,
}
runTestCase(t, f, tCase)
}
// If only SOME container updates fail with a UserRunFailure (1+ succeeds, or 1+ fails
// with a non-UserRunFailure), fall back to an image build.
func TestLiveUpdateMultipleContainersFallsBackForSomeUserRunFailuresSomeSuccess(t *testing.T) {
f := newBDFixture(t, k8s.EnvDockerDesktop, container.RuntimeDocker)
defer f.TearDown()
f.docker.ExecErrorsToThrow = []error{userFailureErrDocker, nil, userFailureErrDocker}
m := NewSanchoLiveUpdateManifest(f)
cIDs := []container.ID{"c1", "c2", "c3"}
tCase := testCase{
manifest: m,
runningContainersByTarget: map[model.TargetID][]container.ID{m.ImageTargetAt(0).ID(): cIDs},
changedFiles: []string{"a.txt"},
// one truncated update (copy and exec before hitting error)
// one successful update (copy, exec, restart)
// fall back before attempting third update
expectDockerCopyCount: 2,
expectDockerExecCount: 2,
expectDockerRestartCount: 1,
// fell back to image build
expectDockerBuildCount: 1,
expectK8sDeploy: true,
}
runTestCase(t, f, tCase)
}
func TestLiveUpdateMultipleContainersFallsBackForSomeUserRunFailuresSomeNonUserFailures(t *testing.T) {
f := newBDFixture(t, k8s.EnvDockerDesktop, container.RuntimeDocker)
defer f.TearDown()
f.docker.ExecErrorsToThrow = []error{
userFailureErrDocker,
fmt.Errorf("not a user failure"),
userFailureErrDocker,
}
m := NewSanchoLiveUpdateManifest(f)
cIDs := []container.ID{"c1", "c2", "c3"}
tCase := testCase{
manifest: m,
runningContainersByTarget: map[model.TargetID][]container.ID{m.ImageTargetAt(0).ID(): cIDs},
changedFiles: []string{"a.txt"},
// two truncated updates (copy and exec before hitting error)
// fall back before attempting third update
expectDockerCopyCount: 2,
expectDockerExecCount: 2,
expectDockerRestartCount: 0,
// fell back to image build
expectDockerBuildCount: 1,
expectK8sDeploy: true,
}
runTestCase(t, f, tCase)
}
func TestLiveUpdateCustomBuildLocalContainer(t *testing.T) {
f := newBDFixture(t, k8s.EnvDockerDesktop, container.RuntimeDocker)
defer f.TearDown()
lu := assembleLiveUpdate(SanchoSyncSteps(f), SanchoRunSteps, true, []string{"i/match/nothing"}, f)
tCase := testCase{
manifest: manifestbuilder.New(f, "sancho").
WithK8sYAML(SanchoYAML).
WithImageTarget(NewSanchoCustomBuildImageTarget(f)).
WithLiveUpdate(lu).
Build(),
changedFiles: []string{"app/a.txt"},
expectDockerBuildCount: 0,
expectDockerPushCount: 0,
expectDockerCopyCount: 1,
expectDockerExecCount: 1,
expectDockerRestartCount: 1,
}
runTestCase(t, f, tCase)
}
func TestLiveUpdateHotReloadLocalContainer(t *testing.T) {
f := newBDFixture(t, k8s.EnvDockerDesktop, container.RuntimeDocker)
defer f.TearDown()
lu := assembleLiveUpdate(SanchoSyncSteps(f), SanchoRunSteps, false, nil, f)
tCase := testCase{
manifest: manifestbuilder.New(f, "sancho").
WithK8sYAML(SanchoYAML).
WithImageTarget(NewSanchoDockerBuildImageTarget(f)).
WithLiveUpdate(lu).
Build(),
changedFiles: []string{"a.txt"},
expectDockerBuildCount: 0,
expectDockerPushCount: 0,
expectDockerCopyCount: 1,
expectDockerExecCount: 1,
expectDockerRestartCount: 0,
}
runTestCase(t, f, tCase)
}
func TestLiveUpdateRunTriggerLocalContainer(t *testing.T) {
f := newBDFixture(t, k8s.EnvDockerDesktop, container.RuntimeDocker)
defer f.TearDown()
runs := []model.LiveUpdateRunStep{
model.LiveUpdateRunStep{Command: model.ToUnixCmd("echo hello")},
model.LiveUpdateRunStep{Command: model.ToUnixCmd("echo a"), Triggers: f.NewPathSet("a.txt")}, // matches changed file
model.LiveUpdateRunStep{Command: model.ToUnixCmd("echo b"), Triggers: f.NewPathSet("b.txt")}, // does NOT match changed file
}
lu := assembleLiveUpdate(SanchoSyncSteps(f), runs, true, nil, f)
tCase := testCase{
manifest: manifestbuilder.New(f, "sancho").
WithK8sYAML(SanchoYAML).
WithImageTarget(NewSanchoDockerBuildImageTarget(f)).
WithLiveUpdate(lu).
Build(),
changedFiles: []string{"a.txt"},
expectDockerBuildCount: 0,
expectDockerPushCount: 0,
expectDockerCopyCount: 1,
expectDockerExecCount: 2, // one run's triggers don't match -- should only exec the other two.
expectDockerRestartCount: 1,
}
runTestCase(t, f, tCase)
}
func TestLiveUpdateRunTriggerSynclet(t *testing.T) {
f := newBDFixtureWithUpdateMode(t, k8s.EnvGKE, container.RuntimeDocker, buildcontrol.UpdateModeSynclet)
defer f.TearDown()
runs := []model.LiveUpdateRunStep{
model.LiveUpdateRunStep{Command: model.ToUnixCmd("echo hello")},
model.LiveUpdateRunStep{Command: model.ToUnixCmd("echo a"), Triggers: f.NewPathSet("a.txt")}, // matches changed file
model.LiveUpdateRunStep{Command: model.ToUnixCmd("echo b"), Triggers: f.NewPathSet("b.txt")}, // does NOT match changed file
}
lu := assembleLiveUpdate(SanchoSyncSteps(f), runs, true, nil, f)
tCase := testCase{
manifest: manifestbuilder.New(f, "sancho").
WithK8sYAML(SanchoYAML).
WithImageTarget(NewSanchoDockerBuildImageTarget(f)).
WithLiveUpdate(lu).
Build(),
changedFiles: []string{"a.txt"},
expectDockerBuildCount: 0,
expectDockerPushCount: 0,
expectSyncletUpdateContainerCount: 1,
expectDockerCopyCount: 1,
expectDockerExecCount: 2, // one run's triggers don't match -- should only exec the other two.
expectDockerRestartCount: 1,
}
runTestCase(t, f, tCase)
}
func TestLiveUpdateRunTriggerExec(t *testing.T) {
f := newBDFixture(t, k8s.EnvGKE, container.RuntimeDocker)
defer f.TearDown()
runs := []model.LiveUpdateRunStep{
model.LiveUpdateRunStep{Command: model.ToUnixCmd("echo hello")},
model.LiveUpdateRunStep{Command: model.ToUnixCmd("echo a"), Triggers: f.NewPathSet("a.txt")}, // matches changed file
model.LiveUpdateRunStep{Command: model.ToUnixCmd("echo b"), Triggers: f.NewPathSet("b.txt")}, // does NOT match changed file
}
lu := assembleLiveUpdate(SanchoSyncSteps(f), runs, false, nil, f)
tCase := testCase{
manifest: manifestbuilder.New(f, "sancho").
WithK8sYAML(SanchoYAML).
WithImageTarget(NewSanchoDockerBuildImageTarget(f)).
WithLiveUpdate(lu).
Build(),
changedFiles: []string{"a.txt"},
expectDockerBuildCount: 0,
expectDockerPushCount: 0,
expectSyncletUpdateContainerCount: 0,
expectDockerCopyCount: 0,
expectDockerExecCount: 0, // one run's triggers don't match -- should only exec the other two.
expectDockerRestartCount: 0,
expectK8sExecCount: 3, // one copy, two runs (third run's triggers don't match so don't exec it)
}
runTestCase(t, f, tCase)
}
func TestLiveUpdateDockerBuildSynclet(t *testing.T) {
f := newBDFixtureWithUpdateMode(t, k8s.EnvGKE, container.RuntimeDocker, buildcontrol.UpdateModeSynclet)
defer f.TearDown()
tCase := testCase{
manifest: NewSanchoLiveUpdateManifest(f),
changedFiles: []string{"a.txt"},
expectDockerBuildCount: 0,
expectDockerPushCount: 0,
expectSyncletUpdateContainerCount: 1,
expectDockerCopyCount: 1,
expectDockerExecCount: 1,
expectDockerRestartCount: 1,
}
runTestCase(t, f, tCase)
}
func TestLiveUpdateCustomBuildSynclet(t *testing.T) {
f := newBDFixtureWithUpdateMode(t, k8s.EnvGKE, container.RuntimeDocker, buildcontrol.UpdateModeSynclet)
defer f.TearDown()
lu := assembleLiveUpdate(SanchoSyncSteps(f), SanchoRunSteps, true, nil, f)
tCase := testCase{
manifest: manifestbuilder.New(f, "sancho").
WithK8sYAML(SanchoYAML).
WithImageTarget(NewSanchoCustomBuildImageTarget(f)).
WithLiveUpdate(lu).
Build(),
changedFiles: []string{"app/a.txt"},
expectDockerBuildCount: 0,
expectDockerPushCount: 0,
expectSyncletUpdateContainerCount: 1,
expectDockerCopyCount: 1,
expectDockerExecCount: 1,
expectDockerRestartCount: 1,
}
runTestCase(t, f, tCase)
}
func TestLiveUpdateCustomBuildExec(t *testing.T) {
f := newBDFixture(t, k8s.EnvGKE, container.RuntimeDocker)
defer f.TearDown()
lu := assembleLiveUpdate(SanchoSyncSteps(f), SanchoRunSteps, false, nil, f)
tCase := testCase{
manifest: manifestbuilder.New(f, "sancho").
WithK8sYAML(SanchoYAML).
WithImageTarget(NewSanchoCustomBuildImageTarget(f)).
WithLiveUpdate(lu).
Build(),
changedFiles: []string{"app/a.txt"},
expectDockerBuildCount: 0,
expectDockerPushCount: 0,
expectSyncletUpdateContainerCount: 0,
expectDockerCopyCount: 0,
expectDockerExecCount: 0,
expectDockerRestartCount: 0,
expectK8sExecCount: 2,
}
runTestCase(t, f, tCase)
}
func TestLiveUpdateHotReloadSynclet(t *testing.T) {
f := newBDFixtureWithUpdateMode(t, k8s.EnvGKE, container.RuntimeDocker, buildcontrol.UpdateModeSynclet)
defer f.TearDown()
lu := assembleLiveUpdate(SanchoSyncSteps(f), SanchoRunSteps, false, nil, f)
tCase := testCase{
manifest: manifestbuilder.New(f, "sancho").
WithK8sYAML(SanchoYAML).
WithImageTarget(NewSanchoDockerBuildImageTarget(f)).
WithLiveUpdate(lu).
Build(),
changedFiles: []string{"a.txt"},
expectDockerBuildCount: 0,
expectDockerPushCount: 0,
expectSyncletUpdateContainerCount: 1,
expectDockerCopyCount: 1,
expectDockerExecCount: 1,
expectDockerRestartCount: 0, // hot reload!
}
runTestCase(t, f, tCase)
}
func TestLiveUpdateExecDoesNotSupportRestart(t *testing.T) {
f := newBDFixture(t, k8s.EnvGKE, container.RuntimeContainerd)
defer f.TearDown()
lu := assembleLiveUpdate(SanchoSyncSteps(f), SanchoRunSteps, true, []string{"i/match/nothing"}, f)
tCase := testCase{
manifest: manifestbuilder.New(f, "sancho").
WithK8sYAML(SanchoYAML).
WithImageTarget(NewSanchoDockerBuildImageTarget(f)).
WithLiveUpdate(lu).
Build(),
changedFiles: []string{"a.txt"},
expectDockerBuildCount: 1, // we did a Docker build instead of an in-place update!
expectDockerPushCount: 1, // expect Docker push on GKE
expectDockerCopyCount: 0,
expectDockerExecCount: 0,
expectDockerRestartCount: 0,
expectK8sDeploy: true, // Because we fell back to image builder, we also did a k8s deploy
logsContain: []string{"unexpected error", "ExecUpdater does not support `restart_container()` step"},
}
runTestCase(t, f, tCase)
}
func TestLiveUpdateDockerBuildExec(t *testing.T) {
f := newBDFixture(t, k8s.EnvGKE, container.RuntimeContainerd)
defer f.TearDown()
lu := assembleLiveUpdate(SanchoSyncSteps(f), SanchoRunSteps, false, nil, f)
tCase := testCase{
manifest: manifestbuilder.New(f, "sancho").
WithK8sYAML(SanchoYAML).
WithImageTarget(NewSanchoDockerBuildImageTarget(f)).
WithLiveUpdate(lu).
Build(),
changedFiles: []string{"a.txt"},
expectDockerBuildCount: 0,
expectDockerPushCount: 0,
expectK8sExecCount: 2, // one tar archive, one run cmd
expectSyncletDeploy: false, // exec updater should not deploy synclet
}
runTestCase(t, f, tCase)
}
func TestDockerBuildWithoutLiveUpdateDoesNotDeploySynclet(t *testing.T) {
f := newBDFixtureWithUpdateMode(t, k8s.EnvGKE, container.RuntimeDocker, buildcontrol.UpdateModeSynclet)
defer f.TearDown()
tCase := testCase{
manifest: NewSanchoDockerBuildManifest(f),
changedFiles: nil, // will use an empty BuildResultSet, i.e. treat this as first build
expectDockerBuildCount: 1,
expectDockerPushCount: 1,
expectK8sDeploy: true,
expectSyncletDeploy: false,
}
runTestCase(t, f, tCase)
}
func TestLiveUpdateDockerBuildDeploysSynclet(t *testing.T) {
f := newBDFixtureWithUpdateMode(t, k8s.EnvGKE, container.RuntimeDocker, buildcontrol.UpdateModeSynclet)
defer f.TearDown()
tCase := testCase{
manifest: NewSanchoLiveUpdateManifest(f),
changedFiles: nil, // will use an empty BuildResultSet, i.e. treat this as first build
expectDockerBuildCount: 1,
expectDockerPushCount: 1,
expectK8sDeploy: true,
expectSyncletDeploy: true,
}
runTestCase(t, f, tCase)
}
func TestLiveUpdateLocalContainerFallBackOn(t *testing.T) {
f := newBDFixture(t, k8s.EnvDockerDesktop, container.RuntimeDocker)
defer f.TearDown()
lu := assembleLiveUpdate(SanchoSyncSteps(f), SanchoRunSteps, true, []string{"a.txt"}, f)
tCase := testCase{
manifest: manifestbuilder.New(f, "sancho").
WithK8sYAML(SanchoYAML).