本文整理匯總了Golang中github.com/wallyworld/core/cmd.Context.StopInterruptNotify方法的典型用法代碼示例。如果您正苦於以下問題：Golang Context.StopInterruptNotify方法的具體用法？Golang Context.StopInterruptNotify怎麽用？Golang Context.StopInterruptNotify使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類github.com/wallyworld/core/cmd.Context的用法示例。
在下文中一共展示了Context.StopInterruptNotify方法的1個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Golang代碼示例。
示例1: Run
// Run connects to the environment specified on the command line and bootstraps
// a juju in that environment if none already exists. If there is as yet no environments.yaml file,
// the user is informed how to create one.
func (c *BootstrapCommand) Run(ctx *cmd.Context) (resultErr error) {
bootstrapFuncs := getBootstrapFuncs()
if len(c.seriesOld) > 0 {
fmt.Fprintln(ctx.Stderr, "Use of --series is deprecated. Please use --upload-series instead.")
}
environ, cleanup, err := environFromName(ctx, c.EnvName, &resultErr, "Bootstrap")
if err != nil {
return err
}
validator, err := environ.ConstraintsValidator()
if err != nil {
return err
}
unsupported, err := validator.Validate(c.Constraints)
if len(unsupported) > 0 {
logger.Warningf("unsupported constraints: %v", err)
} else if err != nil {
return err
}
defer cleanup()
if err := bootstrapFuncs.EnsureNotBootstrapped(environ); err != nil {
return err
}
// Block interruption during bootstrap. Providers may also
// register for interrupt notification so they can exit early.
interrupted := make(chan os.Signal, 1)
defer close(interrupted)
ctx.InterruptNotify(interrupted)
defer ctx.StopInterruptNotify(interrupted)
go func() {
for _ = range interrupted {
ctx.Infof("Interrupt signalled: waiting for bootstrap to exit")
}
}()
// If --metadata-source is specified, override the default tools metadata source so
// SyncTools can use it, and also upload any image metadata.
if c.MetadataSource != "" {
metadataDir := ctx.AbsPath(c.MetadataSource)
logger.Infof("Setting default tools and image metadata sources: %s", metadataDir)
tools.DefaultBaseURL = metadataDir
if err := imagemetadata.UploadImageMetadata(environ.Storage(), metadataDir); err != nil {
// Do not error if image metadata directory doesn't exist.
if !os.IsNotExist(err) {
return fmt.Errorf("uploading image metadata: %v", err)
}
} else {
logger.Infof("custom image metadata uploaded")
}
}
// TODO (wallyworld): 2013-09-20 bug 1227931
// We can set a custom tools data source instead of doing an
// unnecessary upload.
if environ.Config().Type() == provider.Local {
c.UploadTools = true
}
if c.UploadTools {
err = bootstrapFuncs.UploadTools(ctx, environ, c.Constraints.Arch, true, c.Series...)
if err != nil {
return err
}
}
return bootstrapFuncs.Bootstrap(ctx, environ, environs.BootstrapParams{
Constraints: c.Constraints,
Placement: c.Placement,
})
}