// Run executes the stage of the given name. It returns true if the stage
// successfully ran and false if there were any errors.
func (e Engine) Run(stageName string) bool {
cfg, err := e.acquireConfig()
switch err {
case config.ErrEmpty, nil:
e.Logger.PushPrefix(stageName)
defer e.Logger.PopPrefix()
return stages.Get(stageName).Create(e.Logger, e.Root).Run(config.Append(config.Append(baseConfig, e.OemConfig), cfg))
case config.ErrCloudConfig, config.ErrScript:
e.Logger.Info("%v: ignoring and exiting...", err)
return true
default:
e.Logger.Crit("failed to acquire config: %v", err)
return false
}
}
// Run executes the stage of the given name. It returns true if the stage
// successfully ran and false if there were any errors.
func (e Engine) Run(stageName string) bool {
cfg, err := e.acquireConfig()
switch err {
case nil:
case config.ErrCloudConfig, config.ErrScript, config.ErrEmpty:
e.Logger.Info("%v: ignoring user-provided config", err)
cfg = e.DefaultUserConfig
default:
e.Logger.Crit("failed to acquire config: %v", err)
return false
}
e.Logger.PushPrefix(stageName)
defer e.Logger.PopPrefix()
return stages.Get(stageName).Create(e.Logger, e.Root).Run(config.Append(baseConfig, config.Append(e.OemBaseConfig, cfg)))
}
// renderConfig evaluates "ignition.config.replace" and "ignition.config.append"
// in the given config and returns the result. If "ignition.config.replace" is
// set, the referenced and evaluted config will be returned. Otherwise, if
// "ignition.config.append" is set, each of the referenced configs will be
// evaluated and appended to the provided config. If neither option is set, the
// provided config will be returned unmodified.
func (e Engine) renderConfig(cfg types.Config) (types.Config, error) {
if cfgRef := cfg.Ignition.Config.Replace; cfgRef != nil {
return e.fetchReferencedConfig(*cfgRef)
}
appendedCfg := cfg
for _, cfgRef := range cfg.Ignition.Config.Append {
newCfg, err := e.fetchReferencedConfig(cfgRef)
if err != nil {
return newCfg, err
}
appendedCfg = config.Append(appendedCfg, newCfg)
}
return appendedCfg, nil
}