// EnsureToolsAvailability verifies the tools are available. If no tools are
// found, it will automatically synchronize them.
func EnsureToolsAvailability(ctx environs.BootstrapContext, env environs.Environ, series string, toolsArch *string) (coretools.List, error) {
cfg := env.Config()
var vers *version.Number
if agentVersion, ok := cfg.AgentVersion(); ok {
vers = &agentVersion
}
logger.Debugf(
"looking for bootstrap tools: series=%q, arch=%v, version=%v",
series, toolsArch, vers,
)
params := envtools.BootstrapToolsParams{
Version: vers,
Arch: toolsArch,
Series: series,
// If vers.Build>0, the tools may have been uploaded in this session.
// Allow retries, so we wait until the storage has caught up.
AllowRetry: vers != nil && vers.Build > 0,
}
toolsList, err := envtools.FindBootstrapTools(env, params)
if err == nil {
return toolsList, nil
} else if !errors.IsNotFound(err) {
return nil, err
}
// Only automatically upload tools for dev versions.
if !version.Current.IsDev() {
return nil, fmt.Errorf("cannot upload bootstrap tools: %v", noToolsNoUploadMessage)
}
// No tools available so our only hope is to build locally and upload.
logger.Warningf("no prepackaged tools available")
uploadSeries := SeriesToUpload(cfg, nil)
if series != "" {
uploadSeries = append(uploadSeries, series)
}
if err := UploadTools(ctx, env, toolsArch, false, uploadSeries...); err != nil {
logger.Errorf("%s", noToolsMessage)
return nil, fmt.Errorf("cannot upload bootstrap tools: %v", err)
}
// TODO(axw) have uploadTools return the list of tools in the target, and use that.
params.AllowRetry = true
if toolsList, err = envtools.FindBootstrapTools(env, params); err != nil {
return nil, fmt.Errorf("cannot find bootstrap tools: %v", err)
}
return toolsList, nil
}
func (s *bootstrapSuite) getArgs(c *gc.C) manual.BootstrapArgs {
hostname, err := os.Hostname()
c.Assert(err, gc.IsNil)
toolsList, err := tools.FindBootstrapTools(s.Conn.Environ, tools.BootstrapToolsParams{})
c.Assert(err, gc.IsNil)
arch := "amd64"
return manual.BootstrapArgs{
Host: hostname,
DataDir: "/var/lib/juju",
Environ: s.env,
PossibleTools: toolsList,
Series: "precise",
HardwareCharacteristics: &instance.HardwareCharacteristics{
Arch: &arch,
},
Context: coretesting.Context(c),
}
}