func (client *DockerClient) Unbind(br brokerapi.BindingRequest) error {
cId, imageName := client.persister.GetContainerIdAndImageName(br.InstanceId)
if cId == "" {
return brokerapi.BrokerServiceError(&CFError{brokerapi.ErrCodeGone, "Failed to find the Instance in the Database"})
}
var err error
defer func() {
err = client.persister.DeleteServiceBinding(br.InstanceId, br.BindingId)
if err != nil {
err = brokerapi.BrokerServiceError(&CFError{brokerapi.ErrCodeOther, "Failed to delete service binding (" + err.Error() + ")"})
}
}()
imagedefinition := client.brokerconfig.GetImageDefinition(imageName)
if len(imagedefinition.DashBoardUrl) > 0 || len(imagedefinition.Credentials) > 0 {
return nil
}
serviceurl := client.persister.GetServiceUrl("container_id='" + cId + "'")
dockerExec := CommandExecutors[client.ServiceAgent.ExecCommand]
if dockerExec == nil {
return errors.New("No Executor specified")
}
dockerExec = dockerExec.Init(client, cId, imagedefinition)
_, err = dockerExec.Unbind(serviceurl)
if err != nil {
return brokerapi.BrokerServiceError(&CFError{brokerapi.ErrCodeOther, err.Error()})
}
return nil
}
func (am *AgentManager) GetServiceAgent(instanceid string) (brokerapi.BrokerService, error) {
var brokerservice brokerapi.BrokerService
var err error
if len(instanceid) == 0 {
//use DISPATCHER to pick the ServiceAgent from persister
brokerservice, err = am.Dispatcher.NewBrokerService()
if err != nil {
return nil, err
}
} else {
//look for service agent that holds this instance
serviceagent, err := am.config.Persister.GetServiceAgentFromInstance("cf_instance_id='" + instanceid + "'")
log.Println("GetServiceAgentFromInstance cf_instance_id='" + instanceid + "'",serviceagent)
if err != nil {
return nil, brokerapi.BrokerServiceError(&CFError{brokerapi.ErrCodeGone,"Failed to find the service instance ("+err.Error()+")"})
}
serviceagents, err := am.config.Persister.GetServiceAgentList("docker_host='" + serviceagent + "'")
log.Println("GetServiceAgentList host='" + serviceagent + "'",serviceagents)
if len(serviceagents) == 0 {
return nil, brokerapi.BrokerServiceError(&CFError{brokerapi.ErrCodeGone, "Handler: can't find agent - assume its already gone"})
}
if err != nil {
return nil, brokerapi.BrokerServiceError(&CFError{brokerapi.ErrCodeGone, err.Error()})
}
brokerservice, err = NewDockerClient(serviceagents[0],am.config)
}
//handler should recycle this dockerclient, may be we should deref at the end of handler code ot simply call obj.close()?
return brokerservice, err
}
func (client *DockerClient) Deprovision(pr brokerapi.ProvisioningRequest) error {
cId, imageName := client.persister.GetContainerIdAndImageName(pr.InstanceId)
if cId == "" {
return brokerapi.BrokerServiceError(&CFError{brokerapi.ErrCodeGone,
"Failed to find the Instance in the Database"})
}
imagedefinition := client.brokerconfig.GetImageDefinition(imageName)
defer func() {
//TODO remove the reserved port binding for this container, we may check multitenancy here
_, _, pb, _ := client.persister.GetPortBindings("docker_host='" + client.ServiceAgent.DockerHost + "'")
service_port := client.persister.GetServicePort(pr.InstanceId)
pb = DeleteItem(pb, service_port)
client.persister.WritePortBinding(pb, "docker_host='"+client.ServiceAgent.DockerHost+"'")
client.persister.DeleteServiceInstance(pr.InstanceId)
}()
var err error
if len(imagedefinition.DashBoardUrl) == 0 && len(imagedefinition.Credentials) == 0 {
dockerExec := CommandExecutors[client.ServiceAgent.ExecCommand]
if dockerExec == nil {
log.Println("No Executor specified")
}
dockerExec = dockerExec.Init(client, cId, imagedefinition)
response, err := dockerExec.Deprovision()
if err != nil {
log.Println("Error occurred running deprovision script ", err)
}
log.Println("deprovision response is ", response)
}
if client.shouldRemoveContainer(imagedefinition) {
log.Println("Stopping container:", cId)
err = client.StopContainer(cId, 0)
if err != nil {
log.Println("Error stopping container ", err)
return brokerapi.BrokerServiceError(&CFError{brokerapi.ErrCodeOther,
err.Error()})
}
log.Println("Removing container:", cId)
err = client.RemoveContainer(cId)
if err != nil {
log.Println("Error Removing container ", err)
return brokerapi.BrokerServiceError(&CFError{brokerapi.ErrCodeOther,
err.Error()})
}
}
return err
}
func (cm *BrokerConfiguration) AddOrUpdateImageDefinition(catalog string, img brokerapi.ImageDefinition) error {
service_id := cm.Persister.GetServiceId(catalog)
if service_id < 0 {
return brokerapi.BrokerServiceError(&CFError{brokerapi.ErrCodeOther, "Catalog is not Supported from the client"})
}
return cm.writeImageConf(service_id, img)
}
func (client *DockerClient) Bind(br brokerapi.BindingRequest) (string, brokerapi.Credentials, string, error) {
cId, imageName := client.persister.GetContainerIdAndImageName(br.InstanceId)
log.Println("Found container id for ", br.InstanceId, " and the value is ", cId, imageName)
imagedefinition := client.brokerconfig.GetImageDefinition(imageName)
//write the binding to table
client.persister.AddServiceBinding(br.InstanceId, br.BindingId, br.AppId, time.Now())
creds := make(brokerapi.Credentials)
var err error
if len(imagedefinition.DashBoardUrl) > 0 || len(imagedefinition.Credentials) > 0 {
for k, v := range imagedefinition.Credentials {
creds[k] = v
}
} else {
dockerExec := CommandExecutors[client.ServiceAgent.ExecCommand]
if dockerExec == nil {
return "", nil, "", errors.New("No Executor specified")
}
dockerExec = dockerExec.Init(client, cId, imagedefinition)
creds, err = dockerExec.Bind()
if err != nil {
return "", nil, "", brokerapi.BrokerServiceError(&CFError{brokerapi.ErrCodeOther, err.Error()})
}
log.Println("bind response is ", creds)
}
client.mapServerUrl(creds, cId)
return "credentials", creds, "unknown", err
}
func (cm *BrokerConfiguration) AddOrUpdateCertificates(certs brokerapi.BrokerCerts) error {
if cm.Persister.HasEntry("brokercertificates", "serviceagent='"+certs.Host+"'") {
return brokerapi.BrokerServiceError(&CFError{brokerapi.ErrCodeOther, "Certificate Exists for this host" + certs.Host})
}
return cm.Persister.AddBrokerCertsConf(certs.Host, certs.ClientCert, certs.ClientKey, certs.CA)
}
func (client *DockerClient) Provision(pr brokerapi.ProvisioningRequest) (string, error) {
imageName := pr.ServiceId
log.Println("Looking for image: ", imageName)
image, err := FindImage(*client, imageName)
if err != nil {
return "", brokerapi.BrokerServiceError(&CFError{brokerapi.ErrCodeOther, err.Error()})
}
log.Println("Image:", imageName, "info:", image.Id, "tags:", image.RepoTags)
imagerepo := strings.Split(image.RepoTags[0], ":")[0]
config := ContainerConfig{AttachStdout: false, AttachStdin: false, Image: imagerepo, Hostname: pr.InstanceId}
imagedefinition := client.brokerconfig.GetImageDefinition(imagerepo)
var cId, containername, service_port_str string
var service_port, host_port int
var dashurl string
containername = pr.InstanceId
if needNewContainer(imagedefinition) {
log.Println("Creating container:")
cId, err = config.CreateContainer(*client, pr.InstanceId)
if err != nil {
log.Println("creating container caused error ", err)
if err == ErrConflict {
//see if this is the container created earlier but failed later, we can reuse the container
ci, err2 := client.InspectContainer(pr.InstanceId)
containername = ci.Name
cId = ci.Id
err = err2
}
}
ii, err := client.InspectImage(imagerepo)
if err != nil {
log.Println("Inspect image caused ", err)
return "", brokerapi.BrokerServiceError(&CFError{brokerapi.ErrCodeOther, err.Error()})
}
hostConfig := &HostConfig{PublishAllPorts: true, NetworkMode: "bridge"}
pb_min, pb_max, pb, err := client.persister.GetPortBindings("docker_host='" + client.ServiceAgent.DockerHost + "'")
if err != nil || pb_min == 0 || pb_max == 0 {
log.Println("Unable to assign a port, port binding not configured(uses default port binding) or error occured ", err)
} else {
hostConfig.PortBindings = make(map[string][]PortBinding)
//normally expected to have one port binding
for k := range ii.ContainerConfig.ExposedPorts {
next_port := FindNextNum(pb, pb_min, pb_max)
pb = append(pb, next_port)
service_port_str = strings.Split(k, "/")[0]
service_port, _ = strconv.Atoi(service_port_str)
host_port = next_port
log.Println("Mapping ports ", service_port, " to host port ", host_port)
hostConfig.PortBindings[k] = []PortBinding{PortBinding{HostPort: strconv.Itoa(next_port)}}
}
client.persister.WritePortBinding(pb, "docker_host='"+client.ServiceAgent.DockerHost+"'")
}
log.Println("Starting container:", containername)
err = client.StartContainer(cId, hostConfig)
if err != nil {
log.Println("StartContainer caused ", err)
return "", brokerapi.BrokerServiceError(&CFError{brokerapi.ErrCodeOther, err.Error()})
}
} else {
log.Println("Using existing container", imagedefinition.Containername)
if imagedefinition.Numinstances == 0 {
//Srini we need to get container id from the name by storing it in our DB
//for now I will just use id for testing
containername = imagedefinition.Containername
} else {
containername = imagedefinition.Containername
}
cId = imagedefinition.Containername
//TODO we need to get this info
service_port = 0
host_port = 0
}
var provision_response map[string]interface{}
if len(imagedefinition.DashBoardUrl) > 0 || len(imagedefinition.Credentials) > 0 {
provision_response = imagedefinition.DashBoardUrl
} else {
dockerExec := CommandExecutors[client.ServiceAgent.ExecCommand]
if dockerExec == nil {
return "", errors.New("No Executor specified")
}
dockerExec = dockerExec.Init(client, cId, imagedefinition)
provision_response, err = dockerExec.(DockerExec).Provision()
if err != nil {
return "", brokerapi.BrokerServiceError(&CFError{brokerapi.ErrCodeOther, err.Error()})
}
}
client.mapServerUrl(provision_response, cId)
if val, ok := provision_response["dashboard_url"]; ok {
//dashurl is needed by the defer statement
dashurl = val.(string)
} else {
dashurl, _ = marshalMapToBytes(provision_response)
}
err = client.persister.AddServiceInstance(imageName, service_port,
host_port, dashurl, cId, client.ServiceAgent.DockerHost,
containername, imageName, pr, time.Now())
return dashurl, err
}
func (client *DockerClient) Catalog() (brokerapi.Catalog, error) {
return brokerapi.Catalog{}, brokerapi.BrokerServiceError(&CFError{brokerapi.ErrCodeOther, "Catalog is not Supported from the client"})
}
