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Deployment now has top-level error for deployment-level failures

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Deployment status is now deployment state, which contains both status
and errors, which are set for deployment-level failure.

Some common failures that will show up here are expansion, type
resolution, and reference failures.
pull/147/head
Brendan Melville 9 years ago
parent 92adbebad4
commit a6c48fb249
5 changed files with 52 additions and 27 deletions
Show Stats Download Patch File Download Diff File

15
common/types.go
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@ -37,13 +37,24 @@ type Deployment struct {
DeployedAt time.Time `json:"deployedAt,omitempty"`
ModifiedAt time.Time `json:"modifiedAt,omitempty"`
DeletedAt time.Time `json:"deletedAt,omitempty"`
Status DeploymentStatus `json:"status,omitempty"`
State *DeploymentState `json:"state,omitempty"`
LatestManifest string `json:"latestManifest,omitEmpty"`
}
// NewDeployment creates a new deployment.
func NewDeployment(name string) *Deployment {
return &Deployment{Name: name, CreatedAt: time.Now(), Status: CreatedStatus}
return &Deployment{
Name: name,
CreatedAt: time.Now(),
State: &DeploymentState{Status: CreatedStatus},
}
}
// DeploymentState describes the state of a resource. It is set to the terminal
// state depending on the outcome of an operation on the deployment.
type DeploymentState struct {
Status DeploymentStatus `json:"status,omitempty"`
Errors []string `json:"errors,omitempty"`
}
// DeploymentStatus is an enumeration type for the status of a deployment.

27
manager/manager/manager.go
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@ -102,13 +102,13 @@ func (m *manager) CreateDeployment(t *common.Template) (*common.Deployment, erro
manifest, err := m.createManifest(t)
if err != nil {
log.Printf("Manifest creation failed: %v", err)
m.repository.SetDeploymentStatus(t.Name, common.FailedStatus)
m.repository.SetDeploymentState(t.Name, failState(err))
return nil, err
}
if err := m.repository.AddManifest(t.Name, manifest); err != nil {
log.Printf("AddManifest failed %v", err)
m.repository.SetDeploymentStatus(t.Name, common.FailedStatus)
m.repository.SetDeploymentState(t.Name, failState(err))
return nil, err
}
@ -116,7 +116,8 @@ func (m *manager) CreateDeployment(t *common.Template) (*common.Deployment, erro
if err != nil {
// Deployment failed, mark as failed
log.Printf("CreateConfiguration failed: %v", err)
m.repository.SetDeploymentStatus(t.Name, common.FailedStatus)
m.repository.SetDeploymentState(t.Name, failState(err))
// If we failed before being able to create some of the resources, then
// return the failure as such. Otherwise, we're going to add the manifest
// and hence resource specific errors down below.
@ -124,14 +125,14 @@ func (m *manager) CreateDeployment(t *common.Template) (*common.Deployment, erro
return nil, err
}
} else {
m.repository.SetDeploymentStatus(t.Name, common.DeployedStatus)
m.repository.SetDeploymentState(t.Name, &common.DeploymentState{Status: common.DeployedStatus})
}
// Update the manifest with the actual state of the reified resources
manifest.ExpandedConfig = actualConfig
if err := m.repository.SetManifest(t.Name, manifest); err != nil {
log.Printf("SetManifest failed %v", err)
m.repository.SetDeploymentStatus(t.Name, common.FailedStatus)
m.repository.SetDeploymentState(t.Name, failState(err))
return nil, err
}
@ -198,6 +199,7 @@ func (m *manager) DeleteDeployment(name string, forget bool) (*common.Deployment
// If there's a latest manifest, delete the underlying resources.
latest, err := m.repository.GetLatestManifest(name)
if err != nil {
m.repository.SetDeploymentState(name, failState(err))
return nil, err
}
@ -210,6 +212,7 @@ func (m *manager) DeleteDeployment(name string, forget bool) (*common.Deployment
if _, err := m.deployer.DeleteConfiguration(latest.ExpandedConfig); err != nil {
log.Printf("Failed to delete resources from the latest manifest: %v", err)
m.repository.SetDeploymentState(name, failState(err))
return nil, err
}
@ -217,6 +220,7 @@ func (m *manager) DeleteDeployment(name string, forget bool) (*common.Deployment
err = m.repository.AddManifest(name, &common.Manifest{Deployment: name, Name: generateManifestName()})
if err != nil {
log.Printf("Failed to add empty manifest")
m.repository.SetDeploymentState(name, failState(err))
return nil, err
}
}
@ -243,20 +247,20 @@ func (m *manager) PutDeployment(name string, t *common.Template) (*common.Deploy
manifest, err := m.createManifest(t)
if err != nil {
log.Printf("Manifest creation failed: %v", err)
m.repository.SetDeploymentStatus(name, common.FailedStatus)
m.repository.SetDeploymentState(name, failState(err))
return nil, err
}
actualConfig, err := m.deployer.PutConfiguration(manifest.ExpandedConfig)
if err != nil {
m.repository.SetDeploymentStatus(name, common.FailedStatus)
m.repository.SetDeploymentState(name, failState(err))
return nil, err
}
manifest.ExpandedConfig = actualConfig
err = m.repository.AddManifest(t.Name, manifest)
if err != nil {
m.repository.SetDeploymentStatus(name, common.FailedStatus)
m.repository.SetDeploymentState(name, failState(err))
return nil, err
}
@ -290,3 +294,10 @@ func (m *manager) ListInstances(typeName string) []*common.TypeInstance {
func generateManifestName() string {
return fmt.Sprintf("manifest-%d", time.Now().UTC().UnixNano())
}
func failState(e error) *common.DeploymentState {
return &common.DeploymentState{
Status: common.FailedStatus,
Errors: []string{e.Error()},
}
}

18
manager/manager/manager_test.go
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@ -134,7 +134,7 @@ type repositoryStub struct {
TypeInstancesCleared bool
GetTypeInstancesCalled bool
ListTypesCalled bool
DeploymentStatuses []common.DeploymentStatus
DeploymentStates []*common.DeploymentState
}
func (repository *repositoryStub) reset() {
@ -148,7 +148,7 @@ func (repository *repositoryStub) reset() {
repository.TypeInstancesCleared = false
repository.GetTypeInstancesCalled = false
repository.ListTypesCalled = false
repository.DeploymentStatuses = make([]common.DeploymentStatus, 0)
repository.DeploymentStates = []*common.DeploymentState{}
}
func newRepositoryStub() *repositoryStub {
@ -176,8 +176,8 @@ func (repository *repositoryStub) GetValidDeployment(d string) (*common.Deployme
return &deployment, nil
}
func (repository *repositoryStub) SetDeploymentStatus(name string, status common.DeploymentStatus) error {
repository.DeploymentStatuses = append(repository.DeploymentStatuses, status)
func (repository *repositoryStub) SetDeploymentState(name string, state *common.DeploymentState) error {
repository.DeploymentStates = append(repository.DeploymentStates, state)
return nil
}
@ -340,7 +340,7 @@ func TestCreateDeployment(t *testing.T) {
testDeployer.Created[0], configuration)
}
if testRepository.DeploymentStatuses[0] != common.DeployedStatus {
if testRepository.DeploymentStates[0].Status != common.DeployedStatus {
t.Fatal("CreateDeployment success did not mark deployment as deployed")
}
@ -369,7 +369,7 @@ func TestCreateDeploymentCreationFailure(t *testing.T) {
testRepository.Created[0])
}
if testRepository.DeploymentStatuses[0] != common.FailedStatus {
if testRepository.DeploymentStates[0].Status != common.FailedStatus {
t.Fatal("CreateDeployment failure did not mark deployment as failed")
}
@ -399,7 +399,7 @@ func TestCreateDeploymentCreationResourceFailure(t *testing.T) {
testRepository.Created[0])
}
if testRepository.DeploymentStatuses[0] != common.FailedStatus {
if testRepository.DeploymentStates[0].Status != common.FailedStatus {
t.Fatal("CreateDeployment failure did not mark deployment as failed")
}
@ -455,6 +455,10 @@ func TestDeleteDeploymentForget(t *testing.T) {
if err != nil {
t.Fatalf("DeleteDeployment failed with %v", err)
}
if d.State.Status != common.DeletedStatus {
t.Fatalf("Expected DeletedStatus on deleted deployment")
}
// Make sure the resources were deleted through deployer.
if len(testDeployer.Deleted) > 0 {
c := testDeployer.Deleted[0]

13
manager/repository/repository.go
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@ -34,7 +34,7 @@ type Repository interface {
GetValidDeployment(name string) (*common.Deployment, error)
CreateDeployment(name string) (*common.Deployment, error)
DeleteDeployment(name string, forget bool) (*common.Deployment, error)
SetDeploymentStatus(name string, status common.DeploymentStatus) error
SetDeploymentState(name string, state *common.DeploymentState) error
// Manifests.
AddManifest(deploymentName string, manifest *common.Manifest) error
@ -103,15 +103,15 @@ func (r *mapBasedRepository) GetValidDeployment(name string) (*common.Deployment
return nil, err
}
if d.Status == common.DeletedStatus {
if d.State.Status == common.DeletedStatus {
return nil, fmt.Errorf("deployment %s is deleted", name)
}
return d, nil
}
// SetDeploymentStatus sets the DeploymentStatus of the deployment and updates ModifiedAt
func (r *mapBasedRepository) SetDeploymentStatus(name string, status common.DeploymentStatus) error {
// SetDeploymentState sets the DeploymentState of the deployment and updates ModifiedAt
func (r *mapBasedRepository) SetDeploymentState(name string, state *common.DeploymentState) error {
return func() error {
r.Lock()
defer r.Unlock()
@ -121,7 +121,7 @@ func (r *mapBasedRepository) SetDeploymentStatus(name string, status common.Depl
return err
}
d.Status = status
d.State = state
d.ModifiedAt = time.Now()
r.deployments[name] = *d
return nil
@ -140,7 +140,6 @@ func (r *mapBasedRepository) CreateDeployment(name string) (*common.Deployment,
}
d := common.NewDeployment(name)
d.Status = common.CreatedStatus
d.DeployedAt = time.Now()
r.deployments[name] = *d
return d, nil
@ -214,7 +213,7 @@ func (r *mapBasedRepository) DeleteDeployment(name string, forget bool) (*common
if !forget {
d.DeletedAt = time.Now()
d.Status = common.DeletedStatus
d.State = &common.DeploymentState{Status: common.DeletedStatus}
r.deployments[name] = *d
} else {
delete(r.deployments, name)

6
manager/repository/repository_test.go
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@ -140,7 +140,7 @@ func TestRepositoryDeleteWorksWithNoLatestManifest(t *testing.T) {
if err != nil {
t.Fatalf("DeleteDeployment failed: %v", err)
}
if dDeleted.Status != common.DeletedStatus {
if dDeleted.State.Status != common.DeletedStatus {
t.Fatalf("Deployment Status is not deleted")
}
if _, err := r.ListManifests(deploymentName); err == nil {
@ -165,7 +165,7 @@ func TestRepositoryDeleteDeploymentWorksNoForget(t *testing.T) {
if err != nil {
t.Fatalf("DeleteDeployment failed: %v", err)
}
if dDeleted.Status != common.DeletedStatus {
if dDeleted.State.Status != common.DeletedStatus {
t.Fatalf("Deployment Status is not deleted")
}
}
@ -187,7 +187,7 @@ func TestRepositoryDeleteDeploymentWorksForget(t *testing.T) {
if err != nil {
t.Fatalf("DeleteDeployment failed: %v", err)
}
if dDeleted.Status != common.CreatedStatus {
if dDeleted.State.Status != common.CreatedStatus {
t.Fatalf("Deployment Status is not created")
}
}

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