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bind_service.go
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bind_service.go
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package service
import (
"github.com/cloudfoundry/cli/cf"
"github.com/cloudfoundry/cli/cf/api"
"github.com/cloudfoundry/cli/cf/command_metadata"
"github.com/cloudfoundry/cli/cf/configuration/core_config"
"github.com/cloudfoundry/cli/cf/errors"
. "github.com/cloudfoundry/cli/cf/i18n"
"github.com/cloudfoundry/cli/cf/models"
"github.com/cloudfoundry/cli/cf/requirements"
"github.com/cloudfoundry/cli/cf/terminal"
"github.com/codegangsta/cli"
)
type BindService struct {
ui terminal.UI
config core_config.Reader
serviceBindingRepo api.ServiceBindingRepository
appReq requirements.ApplicationRequirement
serviceInstanceReq requirements.ServiceInstanceRequirement
}
type ServiceBinder interface {
BindApplication(app models.Application, serviceInstance models.ServiceInstance) (apiErr error)
}
func NewBindService(ui terminal.UI, config core_config.Reader, serviceBindingRepo api.ServiceBindingRepository) (cmd *BindService) {
cmd = new(BindService)
cmd.ui = ui
cmd.config = config
cmd.serviceBindingRepo = serviceBindingRepo
return
}
func (cmd *BindService) Metadata() command_metadata.CommandMetadata {
return command_metadata.CommandMetadata{
Name: "bind-service",
ShortName: "bs",
Description: T("Bind a service instance to an app"),
Usage: T("CF_NAME bind-service APP SERVICE_INSTANCE"),
}
}
func (cmd *BindService) GetRequirements(requirementsFactory requirements.Factory, c *cli.Context) (reqs []requirements.Requirement, err error) {
if len(c.Args()) != 2 {
cmd.ui.FailWithUsage(c)
}
appName := c.Args()[0]
serviceName := c.Args()[1]
cmd.appReq = requirementsFactory.NewApplicationRequirement(appName)
cmd.serviceInstanceReq = requirementsFactory.NewServiceInstanceRequirement(serviceName)
reqs = []requirements.Requirement{requirementsFactory.NewLoginRequirement(), cmd.appReq, cmd.serviceInstanceReq}
return
}
func (cmd *BindService) Run(c *cli.Context) {
app := cmd.appReq.GetApplication()
serviceInstance := cmd.serviceInstanceReq.GetServiceInstance()
cmd.ui.Say(T("Binding service {{.ServiceInstanceName}} to app {{.AppName}} in org {{.OrgName}} / space {{.SpaceName}} as {{.CurrentUser}}...",
map[string]interface{}{
"ServiceInstanceName": terminal.EntityNameColor(serviceInstance.Name),
"AppName": terminal.EntityNameColor(app.Name),
"OrgName": terminal.EntityNameColor(cmd.config.OrganizationFields().Name),
"SpaceName": terminal.EntityNameColor(cmd.config.SpaceFields().Name),
"CurrentUser": terminal.EntityNameColor(cmd.config.Username()),
}))
err := cmd.BindApplication(app, serviceInstance)
if err != nil {
if err, ok := err.(errors.HttpError); ok && err.ErrorCode() == errors.APP_ALREADY_BOUND {
cmd.ui.Ok()
cmd.ui.Warn(T("App {{.AppName}} is already bound to {{.ServiceName}}.",
map[string]interface{}{
"AppName": app.Name,
"ServiceName": serviceInstance.Name,
}))
return
} else {
cmd.ui.Failed(err.Error())
}
}
cmd.ui.Ok()
cmd.ui.Say(T("TIP: Use '{{.CFCommand}}' to ensure your env variable changes take effect",
map[string]interface{}{"CFCommand": terminal.CommandColor(cf.Name() + " restage")}))
}
func (cmd *BindService) BindApplication(app models.Application, serviceInstance models.ServiceInstance) (apiErr error) {
apiErr = cmd.serviceBindingRepo.Create(serviceInstance.Guid, app.Guid)
return
}