// 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 } // We want to validate constraints early. However, if a custom image metadata // source is specified, we can't validate the arch because that depends on what // images metadata is to be uploaded. So we validate here if no custom metadata // source is specified, and defer till later if not. if c.MetadataSource == "" { if err := validateConstraints(c.Constraints, environ); 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) if err := uploadCustomMetadata(metadataDir, environ); err != nil { return err } if err := validateConstraints(c.Constraints, environ); err != nil { return err } } // 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, }) }