github.com/rakutentech/cli@v6.12.5-0.20151006231303-24468b65536e+incompatible/cf/commands/service/bind_service.go (about)

     1  package service
     2  
     3  import (
     4  	"strings"
     5  
     6  	"github.com/cloudfoundry/cli/cf"
     7  	"github.com/cloudfoundry/cli/cf/api"
     8  	"github.com/cloudfoundry/cli/cf/command_registry"
     9  	"github.com/cloudfoundry/cli/cf/configuration/core_config"
    10  	"github.com/cloudfoundry/cli/cf/errors"
    11  	. "github.com/cloudfoundry/cli/cf/i18n"
    12  	"github.com/cloudfoundry/cli/cf/models"
    13  	"github.com/cloudfoundry/cli/cf/requirements"
    14  	"github.com/cloudfoundry/cli/cf/terminal"
    15  	"github.com/cloudfoundry/cli/flags"
    16  	"github.com/cloudfoundry/cli/flags/flag"
    17  	"github.com/cloudfoundry/cli/json"
    18  )
    19  
    20  type ServiceBinder interface {
    21  	BindApplication(app models.Application, serviceInstance models.ServiceInstance, paramsMap map[string]interface{}) (apiErr error)
    22  }
    23  
    24  type BindService struct {
    25  	ui                 terminal.UI
    26  	config             core_config.Reader
    27  	serviceBindingRepo api.ServiceBindingRepository
    28  	appReq             requirements.ApplicationRequirement
    29  	serviceInstanceReq requirements.ServiceInstanceRequirement
    30  }
    31  
    32  func init() {
    33  	command_registry.Register(&BindService{})
    34  }
    35  
    36  func (cmd *BindService) MetaData() command_registry.CommandMetadata {
    37  	baseUsage := T("CF_NAME bind-service APP_NAME SERVICE_INSTANCE [-c PARAMETERS_AS_JSON]")
    38  	paramsUsage := T(`   Optionally provide service-specific configuration parameters in a valid JSON object in-line:
    39  
    40     CF_NAME bind-service APP_NAME SERVICE_INSTANCE -c '{"name":"value","name":"value"}'
    41  
    42     Optionally provide a file containing service-specific configuration parameters in a valid JSON object. 
    43     The path to the parameters file can be an absolute or relative path to a file.
    44     CF_NAME bind-service APP_NAME SERVICE_INSTANCE -c PATH_TO_FILE
    45  
    46     Example of valid JSON object:
    47     {
    48        "permissions": "read-only"
    49     }`)
    50  	exampleUsage := T(`EXAMPLE:
    51     Linux/Mac:
    52        CF_NAME bind-service myapp mydb -c '{"permissions":"read-only"}'
    53  
    54     Windows Command Line:
    55        CF_NAME bind-service myapp mydb -c "{\"permissions\":\"read-only\"}"
    56  
    57     Windows PowerShell:
    58        CF_NAME bind-service myapp mydb -c '{\"permissions\":\"read-only\"}'
    59  	
    60     CF_NAME bind-service myapp mydb -c ~/workspace/tmp/instance_config.json`)
    61  
    62  	fs := make(map[string]flags.FlagSet)
    63  	fs["c"] = &cliFlags.StringFlag{Name: "c", Usage: T("Valid JSON object containing service-specific configuration parameters, provided either in-line or in a file. For a list of supported configuration parameters, see documentation for the particular service offering.")}
    64  
    65  	return command_registry.CommandMetadata{
    66  		Name:        "bind-service",
    67  		ShortName:   "bs",
    68  		Description: T("Bind a service instance to an app"),
    69  		Usage:       strings.Join([]string{baseUsage, paramsUsage, exampleUsage}, "\n\n"),
    70  		Flags:       fs,
    71  	}
    72  }
    73  
    74  func (cmd *BindService) Requirements(requirementsFactory requirements.Factory, fc flags.FlagContext) (reqs []requirements.Requirement, err error) {
    75  	if len(fc.Args()) != 2 {
    76  		cmd.ui.Failed(T("Incorrect Usage. Requires APP_NAME and SERVICE_INSTANCE as arguments\n\n") + command_registry.Commands.CommandUsage("bind-service"))
    77  	}
    78  
    79  	serviceName := fc.Args()[1]
    80  
    81  	cmd.appReq = requirementsFactory.NewApplicationRequirement(fc.Args()[0])
    82  	cmd.serviceInstanceReq = requirementsFactory.NewServiceInstanceRequirement(serviceName)
    83  
    84  	reqs = []requirements.Requirement{requirementsFactory.NewLoginRequirement(), cmd.appReq, cmd.serviceInstanceReq}
    85  
    86  	return
    87  }
    88  
    89  func (cmd *BindService) SetDependency(deps command_registry.Dependency, pluginCall bool) command_registry.Command {
    90  	cmd.ui = deps.Ui
    91  	cmd.config = deps.Config
    92  	cmd.serviceBindingRepo = deps.RepoLocator.GetServiceBindingRepository()
    93  	return cmd
    94  }
    95  
    96  func (cmd *BindService) Execute(c flags.FlagContext) {
    97  	app := cmd.appReq.GetApplication()
    98  	serviceInstance := cmd.serviceInstanceReq.GetServiceInstance()
    99  	params := c.String("c")
   100  
   101  	paramsMap, err := json.ParseJsonFromFileOrString(params)
   102  	if err != nil {
   103  		cmd.ui.Failed(T("Invalid configuration provided for -c flag. Please provide a valid JSON object or path to a file containing a valid JSON object."))
   104  	}
   105  
   106  	cmd.ui.Say(T("Binding service {{.ServiceInstanceName}} to app {{.AppName}} in org {{.OrgName}} / space {{.SpaceName}} as {{.CurrentUser}}...",
   107  		map[string]interface{}{
   108  			"ServiceInstanceName": terminal.EntityNameColor(serviceInstance.Name),
   109  			"AppName":             terminal.EntityNameColor(app.Name),
   110  			"OrgName":             terminal.EntityNameColor(cmd.config.OrganizationFields().Name),
   111  			"SpaceName":           terminal.EntityNameColor(cmd.config.SpaceFields().Name),
   112  			"CurrentUser":         terminal.EntityNameColor(cmd.config.Username()),
   113  		}))
   114  
   115  	err = cmd.BindApplication(app, serviceInstance, paramsMap)
   116  	if err != nil {
   117  		if httperr, ok := err.(errors.HttpError); ok && httperr.ErrorCode() == errors.APP_ALREADY_BOUND {
   118  			cmd.ui.Ok()
   119  			cmd.ui.Warn(T("App {{.AppName}} is already bound to {{.ServiceName}}.",
   120  				map[string]interface{}{
   121  					"AppName":     app.Name,
   122  					"ServiceName": serviceInstance.Name,
   123  				}))
   124  			return
   125  		} else {
   126  			cmd.ui.Failed(err.Error())
   127  		}
   128  	}
   129  
   130  	cmd.ui.Ok()
   131  	cmd.ui.Say(T("TIP: Use '{{.CFCommand}} {{.AppName}}' to ensure your env variable changes take effect",
   132  		map[string]interface{}{"CFCommand": terminal.CommandColor(cf.Name() + " restage"), "AppName": app.Name}))
   133  }
   134  
   135  func (cmd *BindService) BindApplication(app models.Application, serviceInstance models.ServiceInstance, paramsMap map[string]interface{}) (apiErr error) {
   136  	apiErr = cmd.serviceBindingRepo.Create(serviceInstance.Guid, app.Guid, paramsMap)
   137  	return
   138  }