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broker.go
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broker.go
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package broker
import (
"context"
"encoding/json"
"fmt"
"code.cloudfoundry.org/lager"
"github.com/huaweicloud/huaweicloud-service-broker/pkg/config"
"github.com/huaweicloud/huaweicloud-service-broker/pkg/database"
"github.com/huaweicloud/huaweicloud-service-broker/pkg/models"
"github.com/huaweicloud/huaweicloud-service-broker/pkg/services/dcs"
"github.com/huaweicloud/huaweicloud-service-broker/pkg/services/dms/instance"
"github.com/huaweicloud/huaweicloud-service-broker/pkg/services/dms/queue"
"github.com/huaweicloud/huaweicloud-service-broker/pkg/services/obs"
"github.com/huaweicloud/huaweicloud-service-broker/pkg/services/rds"
"github.com/pivotal-cf/brokerapi"
)
// CloudServiceBroker define
type CloudServiceBroker struct {
CloudCredentials config.CloudCredentials
Catalog config.Catalog
ServiceBrokerMap map[string]models.ServiceBrokerProxy
Logger lager.Logger
}
// New returns a composed service broker object
func New(logger lager.Logger, config config.Config) (*CloudServiceBroker, error) {
self := CloudServiceBroker{}
self.CloudCredentials = config.CloudCredentials
self.Catalog = config.Catalog
self.Logger = logger
// map service specific brokers to general broker
self.ServiceBrokerMap = map[string]models.ServiceBrokerProxy{
// DCS
models.DCSRedisServiceName: &dcs.DCSBroker{
CloudCredentials: self.CloudCredentials,
Catalog: self.Catalog,
Logger: self.Logger,
},
models.DCSMemcachedServiceName: &dcs.DCSBroker{
CloudCredentials: self.CloudCredentials,
Catalog: self.Catalog,
Logger: self.Logger,
},
models.DCSIMDGServiceName: &dcs.DCSBroker{
CloudCredentials: self.CloudCredentials,
Catalog: self.Catalog,
Logger: self.Logger,
},
//DMS
models.DMSStandardServiceName: &queue.DMSBroker{
CloudCredentials: self.CloudCredentials,
Catalog: self.Catalog,
Logger: self.Logger,
},
models.DMSKafkaServiceName: &queue.DMSBroker{
CloudCredentials: self.CloudCredentials,
Catalog: self.Catalog,
Logger: self.Logger,
},
models.DMSActiveMQServiceName: &queue.DMSBroker{
CloudCredentials: self.CloudCredentials,
Catalog: self.Catalog,
Logger: self.Logger,
},
models.DMSRabbitMQServiceName: &instance.DMSBroker{
CloudCredentials: self.CloudCredentials,
Catalog: self.Catalog,
Logger: self.Logger,
},
//OBS
models.OBSServiceName: &obs.OBSBroker{
CloudCredentials: self.CloudCredentials,
Catalog: self.Catalog,
Logger: self.Logger,
},
//RDS
models.RDSMysqlServiceName: &rds.RDSBroker{
CloudCredentials: self.CloudCredentials,
Catalog: self.Catalog,
Logger: self.Logger,
},
models.RDSPostgresqlServiceName: &rds.RDSBroker{
CloudCredentials: self.CloudCredentials,
Catalog: self.Catalog,
Logger: self.Logger,
},
models.RDSSqlserverServiceName: &rds.RDSBroker{
CloudCredentials: self.CloudCredentials,
Catalog: self.Catalog,
Logger: self.Logger,
},
models.RDSHwsqlServiceName: &rds.RDSBroker{
CloudCredentials: self.CloudCredentials,
Catalog: self.Catalog,
Logger: self.Logger,
},
}
// replace the mapping from name to a mapping from id
for _, service := range self.Catalog.Services {
self.ServiceBrokerMap[service.ID] = self.ServiceBrokerMap[service.Name]
delete(self.ServiceBrokerMap, service.Name)
}
// fill with plan schemas
for i := range self.Catalog.Services {
// get detail service broker proxy from ServiceBrokerMap
self.Logger.Debug(fmt.Sprintf("Catalog Services ID: %s. Name: %s",
self.Catalog.Services[i].ID, self.Catalog.Services[i].Name))
servicebrokerproxy := self.ServiceBrokerMap[self.Catalog.Services[i].ID]
if servicebrokerproxy == nil {
return &self, fmt.Errorf("could not fill with service broker: %s", self.Catalog.Services[i].ID)
}
for j := range self.Catalog.Services[i].Plans {
schemas, err := servicebrokerproxy.GetPlanSchemas(
self.Catalog.Services[i].ID,
self.Catalog.Services[i].Plans[j].ID,
self.Catalog.Services[i].Plans[j].Metadata)
if err != nil {
return &self, err
}
self.Catalog.Services[i].Plans[j].Schemas = schemas
}
}
return &self, nil
}
// Services lists services in this cloud broker
func (cloudBroker *CloudServiceBroker) Services(
ctx context.Context) ([]brokerapi.Service, error) {
cloudBroker.Logger.Debug("Services received.")
// reuturn service in catalog
return cloudBroker.Catalog.Services, nil
}
// Provision creates a service instance
func (cloudBroker *CloudServiceBroker) Provision(
ctx context.Context,
instanceID string,
details brokerapi.ProvisionDetails,
asyncAllowed bool) (brokerapi.ProvisionedServiceSpec, error) {
cloudBroker.Logger.Debug(fmt.Sprintf("Provision received. instanceID: %s", instanceID))
error := cloudBroker.Catalog.ValidateOrgSpecGUID(details.OrganizationGUID, details.SpaceGUID)
if error != nil {
return brokerapi.ProvisionedServiceSpec{}, error
}
if details.ServiceID == "" || details.PlanID == "" {
e := cloudBroker.Catalog.ValidateAcceptsIncomplete(asyncAllowed)
if e != nil {
return brokerapi.ProvisionedServiceSpec{}, e
}
}
// find service plan
_, err := cloudBroker.Catalog.FindServicePlan(details.ServiceID, details.PlanID)
if err != nil {
return brokerapi.ProvisionedServiceSpec{}, err
}
// get detail service broker proxy from ServiceBrokerMap
servicebrokerproxy := cloudBroker.ServiceBrokerMap[details.ServiceID]
if servicebrokerproxy == nil {
return brokerapi.ProvisionedServiceSpec{}, fmt.Errorf("could not find service broker: %s", details.ServiceID)
}
// detail service broker proxy provision
return servicebrokerproxy.Provision(instanceID, details, asyncAllowed)
}
// Deprovision deletes the given instance
func (cloudBroker *CloudServiceBroker) Deprovision(
ctx context.Context,
instanceID string,
details brokerapi.DeprovisionDetails,
asyncAllowed bool) (brokerapi.DeprovisionServiceSpec, error) {
cloudBroker.Logger.Debug(fmt.Sprintf("Deprovision received. instanceID: %s", instanceID))
if details.ServiceID == "" || details.PlanID == "" {
e := cloudBroker.Catalog.ValidateAcceptsIncomplete(asyncAllowed)
if e != nil {
return brokerapi.DeprovisionServiceSpec{}, e
}
}
// find service plan
_, err := cloudBroker.Catalog.FindServicePlan(details.ServiceID, details.PlanID)
if err != nil {
return brokerapi.DeprovisionServiceSpec{}, err
}
// get detail service broker proxy from ServiceBrokerMap
servicebrokerproxy := cloudBroker.ServiceBrokerMap[details.ServiceID]
if servicebrokerproxy == nil {
return brokerapi.DeprovisionServiceSpec{}, fmt.Errorf("could not find service broker: %s", details.ServiceID)
}
// detail service broker proxy deprovision
return servicebrokerproxy.Deprovision(instanceID, details, asyncAllowed)
}
// Bind adds and returns the associated credentials
func (cloudBroker *CloudServiceBroker) Bind(
ctx context.Context,
instanceID string,
bindingID string,
details brokerapi.BindDetails) (brokerapi.Binding, error) {
cloudBroker.Logger.Debug(fmt.Sprintf("Bind received. instanceID: %s. bindingID: %s", instanceID, bindingID))
// find service plan
_, err := cloudBroker.Catalog.FindServicePlan(details.ServiceID, details.PlanID)
if err != nil {
return brokerapi.Binding{}, err
}
// get detail service broker proxy from ServiceBrokerMap
servicebrokerproxy := cloudBroker.ServiceBrokerMap[details.ServiceID]
if servicebrokerproxy == nil {
return brokerapi.Binding{}, fmt.Errorf("could not find service broker: %s", details.ServiceID)
}
// detail service broker proxy bind
return servicebrokerproxy.Bind(instanceID, bindingID, details)
}
// Unbind removes the associated credentials
func (cloudBroker *CloudServiceBroker) Unbind(
ctx context.Context,
instanceID string,
bindingID string,
details brokerapi.UnbindDetails) error {
cloudBroker.Logger.Debug(fmt.Sprintf("Unbind received. instanceID: %s. bindingID: %s", instanceID, bindingID))
// find service plan
_, err := cloudBroker.Catalog.FindServicePlan(details.ServiceID, details.PlanID)
if err != nil {
return err
}
// get detail service broker proxy from ServiceBrokerMap
servicebrokerproxy := cloudBroker.ServiceBrokerMap[details.ServiceID]
if servicebrokerproxy == nil {
return fmt.Errorf("could not find service broker: %s", details.ServiceID)
}
// detail service broker proxy bind
return servicebrokerproxy.Unbind(instanceID, bindingID, details)
}
// Update updates the given instance
func (cloudBroker *CloudServiceBroker) Update(
ctx context.Context,
instanceID string,
details brokerapi.UpdateDetails,
asyncAllowed bool) (brokerapi.UpdateServiceSpec, error) {
cloudBroker.Logger.Debug(fmt.Sprintf("Update received. instanceID: %s", instanceID))
if details.ServiceID == "" || details.PlanID == "" {
e := cloudBroker.Catalog.ValidateAcceptsIncomplete(asyncAllowed)
if e != nil {
return brokerapi.UpdateServiceSpec{}, e
}
if instanceID != "" {
// Check instance length in back database
var length int
err := database.BackDBConnection.
Model(&database.InstanceDetails{}).
Where("instance_id = ?", instanceID).
Count(&length).Error
if err != nil {
return brokerapi.UpdateServiceSpec{}, err
}
// instance is existing
if length > 0 {
// Get InstanceDetails in back database
iddetail := database.InstanceDetails{}
err = database.BackDBConnection.
Where("instance_id = ?", instanceID).
First(&iddetail).Error
if err != nil {
return brokerapi.UpdateServiceSpec{}, err
}
details.ServiceID = iddetail.ServiceID
details.PlanID = iddetail.PlanID
cloudBroker.Logger.Debug(
fmt.Sprintf("Auto discovery ServiceID: %s and PlanID: %s for instanceID: %s",
details.ServiceID, details.PlanID, instanceID))
}
}
}
// find service plan
_, err := cloudBroker.Catalog.FindServicePlan(details.ServiceID, details.PlanID)
if err != nil {
return brokerapi.UpdateServiceSpec{}, err
}
// get detail service broker proxy from ServiceBrokerMap
servicebrokerproxy := cloudBroker.ServiceBrokerMap[details.ServiceID]
if servicebrokerproxy == nil {
return brokerapi.UpdateServiceSpec{}, fmt.Errorf("could not find service broker: %s", details.ServiceID)
}
// detail service broker proxy bind
return servicebrokerproxy.Update(instanceID, details, asyncAllowed)
}
// LastOperation is called until the attempt times out or success or failure is returned
// if a service is provisioned or deprovision or update asynchronously
func (cloudBroker *CloudServiceBroker) LastOperation(
ctx context.Context,
instanceID string,
operationData string) (brokerapi.LastOperation, error) {
cloudBroker.Logger.Debug(fmt.Sprintf("LastOperation received. instanceID: %s", instanceID))
if operationData != "" {
// operationData is existing
ods := database.OperationDetails{}
err := json.Unmarshal([]byte(operationData), &ods)
if err != nil {
return brokerapi.LastOperation{}, err
}
// find service plan
_, err = cloudBroker.Catalog.FindServicePlan(ods.ServiceID, ods.PlanID)
if err != nil {
return brokerapi.LastOperation{}, err
}
// get detail service broker proxy from ServiceBrokerMap
servicebrokerproxy := cloudBroker.ServiceBrokerMap[ods.ServiceID]
if servicebrokerproxy == nil {
return brokerapi.LastOperation{}, fmt.Errorf("could not find service broker: %s", ods.ServiceID)
}
// detail service broker proxy bind
return servicebrokerproxy.LastOperation(instanceID, ods)
} else {
// Check OperationDetails length in back database
var length int
err := database.BackDBConnection.
Model(&database.OperationDetails{}).
Where("instance_id = ?", instanceID).
Count(&length).Error
if err != nil {
return brokerapi.LastOperation{}, err
}
// last OperationDetails is exist
if length > 0 {
// get last OperationDetails in back database
ods := database.OperationDetails{}
err := database.BackDBConnection.
Where("instance_id = ?", instanceID).
Last(&ods).Error
if err != nil {
return brokerapi.LastOperation{}, err
}
// find service plan
_, err = cloudBroker.Catalog.FindServicePlan(ods.ServiceID, ods.PlanID)
if err != nil {
return brokerapi.LastOperation{}, err
}
// get detail service broker proxy from ServiceBrokerMap
servicebrokerproxy := cloudBroker.ServiceBrokerMap[ods.ServiceID]
if servicebrokerproxy == nil {
return brokerapi.LastOperation{}, fmt.Errorf("could not find service broker: %s", ods.ServiceID)
}
// detail service broker proxy bind
lo, err := servicebrokerproxy.LastOperation(instanceID, ods)
if (lo.State == brokerapi.Succeeded) || (lo.State == brokerapi.Failed) {
// Delete OperationDetails in back database
err = database.BackDBConnection.Delete(&ods).Error
if err != nil {
return brokerapi.LastOperation{}, err
}
}
return lo, err
}
}
return brokerapi.LastOperation{State: brokerapi.Succeeded}, nil
}