// For mig.RunnerResult r, get the results associated with this job from the
// API.
func getResults(r mig.RunnerResult) (err error) {
defer func() {
if e := recover(); e != nil {
err = fmt.Errorf("getResults() -> %v", e)
}
}()
mlog("fetching results for %v/%.0f", r.EntityName, r.Action.ID)
cli, err := client.NewClient(ctx.ClientConf, "mig-runner-results")
if err != nil {
panic(err)
}
results, err := cli.FetchActionResults(r.Action)
if err != nil {
panic(err)
}
mlog("%v/%.0f: fetched results, %v commands returned", r.EntityName, r.Action.ID, len(results))
// Store the results
outpath, err := getResultsStoragePath(r.EntityName)
if err != nil {
panic(err)
}
outpath = path.Join(outpath, fmt.Sprintf("%.0f.json", r.Action.ID))
fd, err := os.Create(outpath)
if err != nil {
panic(err)
}
defer fd.Close()
r.Commands = results
buf, err := json.Marshal(r)
if err != nil {
panic(err)
}
_, err = fd.Write(buf)
if err != nil {
panic(err)
}
mlog("wrote results for %.0f to %v", r.Action.ID, outpath)
// If a plugin has been configured on the result set, call the
// plugin on the data.
if r.UsePlugin != "" {
err = runPlugin(r)
if err != nil {
panic(err)
}
} else {
mlog("no output plugin for %.0f, skipping plugin processing", r.Action.ID)
}
return nil
}
// Launch an action represented by a scheduler entity, this function takes
// care of submitting the action to the API and making a note of when to
// attempt to retrieve the results of the action.
func (e *entity) launchAction() (err error) {
defer func() {
if e := recover(); e != nil {
err = fmt.Errorf("launchAction() -> %v", e)
}
}()
// Load the action from the entity run directory
actpath := path.Join(e.baseDir, "action.json")
act, err := mig.ActionFromFile(actpath)
if err != nil {
panic(err)
}
act.Name = fmt.Sprintf("mig-runner: %v", e.name)
cli, err := client.NewClient(ctx.ClientConf, "mig-runner")
if err != nil {
panic(err)
}
// Borrow some logic from the action generator. Set a validation
// period starting in the past so our action starts immediately.
window := time.Duration(-60 * time.Second)
act.ValidFrom = time.Now().Add(window).UTC()
exstring := defaultExpiry
if e.cfg.Configuration.Expiry != "" {
exstring = e.cfg.Configuration.Expiry
}
period, err := time.ParseDuration(exstring)
if err != nil {
panic(err)
}
// Add the window period to the desired expiry since our start
// time begins in the past.
period += -window
act.ExpireAfter = act.ValidFrom.Add(period)
act, err = cli.CompressAction(act)
if err != nil {
panic(err)
}
asig, err := cli.SignAction(act)
if err != nil {
panic(err)
}
act = asig
res, err := cli.PostAction(act)
if err != nil {
panic(err)
}
mlog("%v: launched action %.0f", e.name, res.ID)
// If we only dispatch this action we are done here.
if e.cfg.Configuration.SendOnly {
return nil
}
// Notify the results processor an action is in-flight
re := mig.RunnerResult{}
re.EntityName = e.name
re.Action = res
re.UsePlugin = e.cfg.Configuration.Plugin
ctx.Channels.Results <- re
return nil
}