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create_buildpack.go
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/
create_buildpack.go
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package buildpack
import (
"fmt"
"strconv"
"code.cloudfoundry.org/cli/cf/flags"
. "code.cloudfoundry.org/cli/cf/i18n"
"code.cloudfoundry.org/cli/cf"
"code.cloudfoundry.org/cli/cf/api"
"code.cloudfoundry.org/cli/cf/commandregistry"
"code.cloudfoundry.org/cli/cf/errors"
"code.cloudfoundry.org/cli/cf/models"
"code.cloudfoundry.org/cli/cf/requirements"
"code.cloudfoundry.org/cli/cf/terminal"
)
type CreateBuildpack struct {
ui terminal.UI
buildpackRepo api.BuildpackRepository
buildpackBitsRepo api.BuildpackBitsRepository
}
func init() {
commandregistry.Register(&CreateBuildpack{})
}
func (cmd *CreateBuildpack) MetaData() commandregistry.CommandMetadata {
fs := make(map[string]flags.FlagSet)
fs["enable"] = &flags.BoolFlag{Name: "enable", Usage: T("Enable the buildpack to be used for staging")}
fs["disable"] = &flags.BoolFlag{Name: "disable", Usage: T("Disable the buildpack from being used for staging")}
return commandregistry.CommandMetadata{
Name: "create-buildpack",
Description: T("Create a buildpack"),
Usage: []string{
T("CF_NAME create-buildpack BUILDPACK PATH POSITION [--enable|--disable]"),
T("\n\nTIP:\n"),
T(" Path should be a zip file, a url to a zip file, or a local directory. Position is a positive integer, sets priority, and is sorted from lowest to highest."),
},
Flags: fs,
TotalArgs: 3,
}
}
func (cmd *CreateBuildpack) Requirements(requirementsFactory requirements.Factory, fc flags.FlagContext) ([]requirements.Requirement, error) {
if len(fc.Args()) != 3 {
cmd.ui.Failed(T("Incorrect Usage. Requires buildpack_name, path and position as arguments\n\n") + commandregistry.Commands.CommandUsage("create-buildpack"))
return nil, fmt.Errorf("Incorrect usage: %d arguments of %d required", len(fc.Args()), 3)
}
reqs := []requirements.Requirement{
requirementsFactory.NewLoginRequirement(),
}
return reqs, nil
}
func (cmd *CreateBuildpack) SetDependency(deps commandregistry.Dependency, pluginCall bool) commandregistry.Command {
cmd.ui = deps.UI
cmd.buildpackRepo = deps.RepoLocator.GetBuildpackRepository()
cmd.buildpackBitsRepo = deps.RepoLocator.GetBuildpackBitsRepository()
return cmd
}
func (cmd *CreateBuildpack) Execute(c flags.FlagContext) error {
buildpackName := c.Args()[0]
buildpackFile, buildpackFileName, err := cmd.buildpackBitsRepo.CreateBuildpackZipFile(c.Args()[1])
if err != nil {
cmd.ui.Warn(T("Failed to create a local temporary zip file for the buildpack"))
return err
}
cmd.ui.Say(T("Creating buildpack {{.BuildpackName}}...", map[string]interface{}{"BuildpackName": terminal.EntityNameColor(buildpackName)}))
buildpack, err := cmd.createBuildpack(buildpackName, c)
if err != nil {
if httpErr, ok := err.(errors.HTTPError); ok && httpErr.ErrorCode() == errors.BuildpackNameTaken {
cmd.ui.Ok()
cmd.ui.Warn(T("Buildpack {{.BuildpackName}} already exists", map[string]interface{}{"BuildpackName": buildpackName}))
cmd.ui.Say(T("TIP: use '{{.CfUpdateBuildpackCommand}}' to update this buildpack", map[string]interface{}{"CfUpdateBuildpackCommand": terminal.CommandColor(cf.Name + " " + "update-buildpack")}))
} else {
return err
}
return nil
}
cmd.ui.Ok()
cmd.ui.Say("")
cmd.ui.Say(T("Uploading buildpack {{.BuildpackName}}...", map[string]interface{}{"BuildpackName": terminal.EntityNameColor(buildpackName)}))
err = cmd.buildpackBitsRepo.UploadBuildpack(buildpack, buildpackFile, buildpackFileName)
if err != nil {
return err
}
cmd.ui.Ok()
return nil
}
func (cmd CreateBuildpack) createBuildpack(buildpackName string, c flags.FlagContext) (buildpack models.Buildpack, apiErr error) {
position, err := strconv.Atoi(c.Args()[2])
if err != nil {
apiErr = fmt.Errorf(T("Error {{.ErrorDescription}} is being passed in as the argument for 'Position' but 'Position' requires an integer. For more syntax help, see `cf create-buildpack -h`.", map[string]interface{}{"ErrorDescription": c.Args()[2]}))
return
}
enabled := c.Bool("enable")
disabled := c.Bool("disable")
if enabled && disabled {
apiErr = errors.New(T("Cannot specify both {{.Enabled}} and {{.Disabled}}.", map[string]interface{}{
"Enabled": "enabled",
"Disabled": "disabled",
}))
return
}
var enableOption *bool
if enabled {
enableOption = &enabled
}
if disabled {
disabled = false
enableOption = &disabled
}
buildpack, apiErr = cmd.buildpackRepo.Create(buildpackName, &position, enableOption, nil)
return
}