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create_app_manifest.go
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/
create_app_manifest.go
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package commands
import (
"fmt"
"sort"
"github.com/cloudfoundry/cli/cf/flag_helpers"
. "github.com/cloudfoundry/cli/cf/i18n"
"github.com/cloudfoundry/cli/cf/api"
"github.com/cloudfoundry/cli/cf/api/app_instances"
"github.com/cloudfoundry/cli/cf/command_metadata"
"github.com/cloudfoundry/cli/cf/configuration/core_config"
"github.com/cloudfoundry/cli/cf/manifest"
"github.com/cloudfoundry/cli/cf/models"
"github.com/cloudfoundry/cli/cf/requirements"
"github.com/cloudfoundry/cli/cf/terminal"
"github.com/codegangsta/cli"
)
type AppManifestCreater interface {
CreateAppManifest(app models.Application, orgName string, spaceName string)
}
type CreateAppManifest struct {
ui terminal.UI
config core_config.Reader
appSummaryRepo api.AppSummaryRepository
appInstancesRepo app_instances.AppInstancesRepository
appReq requirements.ApplicationRequirement
manifest manifest.AppManifest
}
func NewCreateAppManifest(ui terminal.UI, config core_config.Reader, appSummaryRepo api.AppSummaryRepository, manifestGenerator manifest.AppManifest) (cmd *CreateAppManifest) {
cmd = new(CreateAppManifest)
cmd.ui = ui
cmd.config = config
cmd.appSummaryRepo = appSummaryRepo
cmd.manifest = manifestGenerator
return
}
func (cmd *CreateAppManifest) Metadata() command_metadata.CommandMetadata {
return command_metadata.CommandMetadata{
Name: "create-app-manifest",
Description: T("Create an app manifest for an app that has been pushed successfully."),
Usage: T("CF_NAME create-app-manifest APP [-p /path/to/<app-name>-manifest.yml ]"),
Flags: []cli.Flag{
flag_helpers.NewStringFlag("p", T("Specify a path for file creation. If path not specified, manifest file is created in current working directory.")),
},
}
}
func (cmd *CreateAppManifest) GetRequirements(requirementsFactory requirements.Factory, c *cli.Context) (reqs []requirements.Requirement, err error) {
if len(c.Args()) != 1 {
cmd.ui.FailWithUsage(c)
}
if cmd.appReq == nil {
cmd.appReq = requirementsFactory.NewApplicationRequirement(c.Args()[0])
} else {
cmd.appReq.SetApplicationName(c.Args()[0])
}
reqs = []requirements.Requirement{
requirementsFactory.NewLoginRequirement(),
requirementsFactory.NewTargetedSpaceRequirement(),
cmd.appReq,
}
return
}
func (cmd *CreateAppManifest) Run(c *cli.Context) {
app := cmd.appReq.GetApplication()
application, apiErr := cmd.appSummaryRepo.GetSummary(app.Guid)
if apiErr != nil {
cmd.ui.Failed(T("Error getting application summary: ") + apiErr.Error())
}
cmd.ui.Say(T("Creating an app manifest from current settings of app ") + application.Name + " ...")
cmd.ui.Say("")
savePath := "./" + application.Name + "_manifest.yml"
if c.String("p") != "" {
savePath = c.String("p")
}
cmd.createManifest(application, savePath)
}
func (cmd *CreateAppManifest) createManifest(app models.Application, savePath string) error {
cmd.manifest.FileSavePath(savePath)
cmd.manifest.Memory(app.Name, app.Memory)
cmd.manifest.Instances(app.Name, app.InstanceCount)
if app.Command != "" {
cmd.manifest.StartCommand(app.Name, app.Command)
}
if app.BuildpackUrl != "" {
cmd.manifest.BuildpackUrl(app.Name, app.BuildpackUrl)
}
if len(app.Services) > 0 {
for _, service := range app.Services {
cmd.manifest.Service(app.Name, service.Name)
}
}
if app.HealthCheckTimeout > 0 {
cmd.manifest.HealthCheckTimeout(app.Name, app.HealthCheckTimeout)
}
if len(app.EnvironmentVars) > 0 {
sorted := sortEnvVar(app.EnvironmentVars)
for _, envVarKey := range sorted {
switch app.EnvironmentVars[envVarKey].(type) {
default:
cmd.ui.Failed(T("Failed to create manifest, unable to parse environment variable: ") + envVarKey)
case float64:
//json.Unmarshal turn all numbers to float64
value := int(app.EnvironmentVars[envVarKey].(float64))
cmd.manifest.EnvironmentVars(app.Name, envVarKey, fmt.Sprintf("%d", value))
case bool:
cmd.manifest.EnvironmentVars(app.Name, envVarKey, fmt.Sprintf("%t", app.EnvironmentVars[envVarKey].(bool)))
case string:
cmd.manifest.EnvironmentVars(app.Name, envVarKey, "\""+app.EnvironmentVars[envVarKey].(string)+"\"")
}
}
}
if len(app.Routes) > 0 {
cmd.manifest.Domain(app.Name, app.Routes[0].Host, app.Routes[0].Domain.Name)
}
err := cmd.manifest.Save()
if err != nil {
cmd.ui.Failed(T("Error creating manifest file: ") + err.Error())
}
cmd.ui.Ok()
cmd.ui.Say(T("Manifest file created successfully at ") + savePath)
cmd.ui.Say("")
return nil
}
func sortEnvVar(vars map[string]interface{}) []string {
var varsAry []string
for k, _ := range vars {
varsAry = append(varsAry, k)
}
sort.Strings(varsAry)
return varsAry
}