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instance_create.go
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instance_create.go
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package broker
import (
"context"
"encoding/json"
"fmt"
"net/http"
"github.com/kyma-project/control-plane/components/kyma-environment-broker/internal"
"github.com/kyma-project/control-plane/components/kyma-environment-broker/internal/middleware"
"github.com/kyma-project/control-plane/components/kyma-environment-broker/internal/storage"
"github.com/kyma-project/control-plane/components/kyma-environment-broker/internal/storage/dberr"
"github.com/google/uuid"
"github.com/pivotal-cf/brokerapi/v7/domain"
"github.com/pivotal-cf/brokerapi/v7/domain/apiresponses"
"github.com/pkg/errors"
"github.com/sirupsen/logrus"
)
//go:generate mockery -name=Queue -output=automock -outpkg=automock -case=underscore
//go:generate mockery -name=PlanValidator -output=automock -outpkg=automock -case=underscore
type (
Queue interface {
Add(operationId string)
}
PlanValidator interface {
IsPlanSupport(planID string) bool
}
)
type ProvisionEndpoint struct {
operationsStorage storage.Provisioning
instanceStorage storage.Instances
queue Queue
builderFactory PlanValidator
enabledPlanIDs map[string]struct{}
plansSchemaValidator PlansSchemaValidator
kymaVerOnDemand bool
log logrus.FieldLogger
}
func NewProvision(cfg Config, operationsStorage storage.Operations, instanceStorage storage.Instances, q Queue, builderFactory PlanValidator, validator PlansSchemaValidator, kvod bool, log logrus.FieldLogger) *ProvisionEndpoint {
enabledPlanIDs := map[string]struct{}{}
for _, planName := range cfg.EnablePlans {
id := planIDsMapping[planName]
enabledPlanIDs[id] = struct{}{}
}
return &ProvisionEndpoint{
plansSchemaValidator: validator,
operationsStorage: operationsStorage,
instanceStorage: instanceStorage,
queue: q,
builderFactory: builderFactory,
log: log.WithField("service", "ProvisionEndpoint"),
enabledPlanIDs: enabledPlanIDs,
kymaVerOnDemand: kvod,
}
}
// Provision creates a new service instance
// PUT /v2/service_instances/{instance_id}
func (b *ProvisionEndpoint) Provision(ctx context.Context, instanceID string, details domain.ProvisionDetails, asyncAllowed bool) (domain.ProvisionedServiceSpec, error) {
operationID := uuid.New().String()
logger := b.log.WithFields(logrus.Fields{"instanceID": instanceID, "operationID": operationID, "planID": details.PlanID})
logger.Info("Provision called")
// validation of incoming input
ersContext, parameters, err := b.validateAndExtract(details, logger)
if err != nil {
errMsg := fmt.Sprintf("[instanceID: %s] %s", instanceID, err)
return domain.ProvisionedServiceSpec{}, apiresponses.NewFailureResponse(err, http.StatusBadRequest, errMsg)
}
region, found := middleware.RegionFromContext(ctx)
if !found {
err := errors.New("No region specified in request.")
return domain.ProvisionedServiceSpec{}, apiresponses.NewFailureResponse(err, http.StatusInternalServerError, "provisioning")
}
provisioningParameters := internal.ProvisioningParameters{
PlanID: details.PlanID,
ServiceID: details.ServiceID,
ErsContext: ersContext,
Parameters: parameters,
PlatformRegion: region,
}
logger.Infof("Starting provisioning runtime: Name=%s, GlobalAccountID=%s, SubAccountID=%s PlatformRegion=%s", parameters.Name, ersContext.GlobalAccountID, ersContext.SubAccountID, region)
logger.Infof("Runtime parameters: %+v", parameters)
// check if operation with instance ID already created
existingOperation, errStorage := b.operationsStorage.GetProvisioningOperationByInstanceID(instanceID)
switch {
case errStorage != nil && !dberr.IsNotFound(errStorage):
logger.Errorf("cannot get existing operation from storage %s", errStorage)
return domain.ProvisionedServiceSpec{}, errors.New("cannot get existing operation from storage")
case existingOperation != nil && !dberr.IsNotFound(errStorage):
return b.handleExistingOperation(existingOperation, provisioningParameters, logger)
}
// create and save new operation
operation, err := internal.NewProvisioningOperationWithID(operationID, instanceID, provisioningParameters)
if err != nil {
logger.Errorf("cannot create new operation: %s", err)
return domain.ProvisionedServiceSpec{}, errors.New("cannot create new operation")
}
err = b.operationsStorage.InsertProvisioningOperation(operation)
if err != nil {
logger.Errorf("cannot save operation: %s", err)
return domain.ProvisionedServiceSpec{}, errors.New("cannot save operation")
}
err = b.instanceStorage.Insert(internal.Instance{
InstanceID: instanceID,
GlobalAccountID: ersContext.GlobalAccountID,
SubAccountID: ersContext.SubAccountID,
ServiceID: provisioningParameters.ServiceID,
ServiceName: KymaServiceName,
ServicePlanID: provisioningParameters.PlanID,
ServicePlanName: Plans[provisioningParameters.PlanID].PlanDefinition.Name,
ProvisioningParameters: operation.ProvisioningParameters,
})
if err != nil {
logger.Errorf("cannot save instance in storage: %s", err)
return domain.ProvisionedServiceSpec{}, errors.New("cannot save instance")
}
logger.Info("Adding operation to provisioning queue")
b.queue.Add(operation.ID)
return domain.ProvisionedServiceSpec{
IsAsync: true,
OperationData: operation.ID,
}, nil
}
func (b *ProvisionEndpoint) validateAndExtract(details domain.ProvisionDetails, logger logrus.FieldLogger) (internal.ERSContext, internal.ProvisioningParametersDTO, error) {
var ersContext internal.ERSContext
var parameters internal.ProvisioningParametersDTO
if details.ServiceID != KymaServiceID {
return ersContext, parameters, errors.New("service_id not recognized")
}
if _, exists := b.enabledPlanIDs[details.PlanID]; !exists {
return ersContext, parameters, errors.Errorf("plan ID %q is not recognized", details.PlanID)
}
result, err := b.plansSchemaValidator[details.PlanID].ValidateString(string(details.RawParameters))
if err != nil {
return ersContext, parameters, errors.Wrap(err, "while executing JSON schema validator")
}
if !result.Valid {
return ersContext, parameters, errors.Wrapf(result.Error, "while validating input parameters")
}
ersContext, err = b.extractERSContext(details)
if err != nil {
return ersContext, parameters, errors.Wrap(err, "while extracting ers context")
}
parameters, err = b.extractInputParameters(details)
if err != nil {
return ersContext, parameters, errors.Wrap(err, "while extracting input parameters")
}
if !b.kymaVerOnDemand && parameters.KymaVersion != "" {
logger.Infof("Kyma on demand functionality is disabled. Default Kyma version will be used instead %s", parameters.KymaVersion)
parameters.KymaVersion = ""
}
found := b.builderFactory.IsPlanSupport(details.PlanID)
if !found {
return ersContext, parameters, errors.Errorf("the plan ID not known, planID: %s", details.PlanID)
}
return ersContext, parameters, nil
}
func (b *ProvisionEndpoint) extractERSContext(details domain.ProvisionDetails) (internal.ERSContext, error) {
var ersContext internal.ERSContext
err := json.Unmarshal(details.RawContext, &ersContext)
if err != nil {
return ersContext, errors.Wrap(err, "while decoding context")
}
if ersContext.GlobalAccountID == "" {
return ersContext, errors.New("global accountID parameter cannot be empty")
}
if ersContext.SubAccountID == "" {
return ersContext, errors.New("subAccountID parameter cannot be empty")
}
return ersContext, nil
}
func (b *ProvisionEndpoint) extractInputParameters(details domain.ProvisionDetails) (internal.ProvisioningParametersDTO, error) {
var parameters internal.ProvisioningParametersDTO
err := json.Unmarshal(details.RawParameters, ¶meters)
if err != nil {
return parameters, errors.Wrap(err, "while unmarshaling raw parameters")
}
return parameters, nil
}
func (b *ProvisionEndpoint) handleExistingOperation(operation *internal.ProvisioningOperation, input internal.ProvisioningParameters, log logrus.FieldLogger) (domain.ProvisionedServiceSpec, error) {
pp, err := operation.GetProvisioningParameters()
if err != nil {
log.Errorf("cannot get provisioning parameters from exist operation", err)
return domain.ProvisionedServiceSpec{}, errors.New("cannot get provisioning parameters from exist operation")
}
if pp.IsEqual(input) {
return domain.ProvisionedServiceSpec{
IsAsync: true,
AlreadyExists: true,
OperationData: operation.ID,
}, nil
}
err = errors.New("provisioning operation already exist")
msg := fmt.Sprintf("provisioning operation with InstanceID %s already exist", operation.InstanceID)
return domain.ProvisionedServiceSpec{}, apiresponses.NewFailureResponse(err, http.StatusConflict, msg)
}