func (c *Coordinator) createWriteWork() {
log.Printf("creating work for write %s", c.config.NodeId)
data := make(map[string]interface{})
data[c.clusterName] = c.config.NodeId
data[WorkField] = WriteWork
donut.CreateWork(c.clusterName, c.zk, c.donutConfig, "write-"+c.config.NodeId, data)
}
func (c *Coordinator) createStepWork(step int) {
log.Printf("creating work for superstep %d", step)
data := make(map[string]interface{})
data[c.clusterName] = c.config.NodeId
data[WorkField] = SuperstepWork
data["step"] = step
donut.CreateWork(c.clusterName, c.zk, c.donutConfig, "superstep-"+strconv.Itoa(step)+"-"+c.config.NodeId, data)
}
func (c *Coordinator) createLoadWork() {
log.Println("creating load work")
data := make(map[string]interface{})
data[WorkField] = LoadWork
paths := c.graph.job.LoadPaths()
// create the load barrier here since a node might not end up with load work
c.createBarrier("load", func(m *donut.SafeMap) {
c.onLoadBarrierChange(m)
})
for _, p := range paths {
data["path"] = p
workName := "load-" + p
if err := donut.CreateWork(c.clusterName, c.zk, c.donutConfig, workName, data); err != nil {
// XXX should check to make sure its a "node already exists error"
log.Printf("Could not create load work for %s: %v", p, err)
}
}
}