Abstract Resources (#256)

* intro scheduler v2: adapter to v1

* cluster: rewrite create and realloc

* types: introduce resource interface to unify

* scheduler: expose SelectNodes to encap ScheduleV1

* store: new UpdateNodes and Processing interfaces

* strategy: adjust to new resource data structure

* rpc: create option harness resource interface

* utils: minor fix to transaction

* pass lint and codacy

* fix transactions for realloc and replace

Author: jschwinger233

cluster/calcium/calcium.go

@@ -35,10 +35,11 @@ func New(config types.Config, embeddedStorage bool) (*Calcium, error) {
 	}
 
 	// set scheduler
-	scheduler, err := complexscheduler.New(config)
+	potassium, err := complexscheduler.New(config)
 	if err != nil {
 		return nil, err
 	}
+	scheduler.InitSchedulerV1(potassium)
 
 	// set scm
 	var scm source.Source
@@ -55,7 +56,7 @@ func New(config types.Config, embeddedStorage bool) (*Calcium, error) {
 	// set watcher
 	watcher := helium.New(config.GRPCConfig, store)
 
-	return &Calcium{store: store, config: config, scheduler: scheduler, source: scm, watcher: watcher}, err
+	return &Calcium{store: store, config: config, scheduler: potassium, source: scm, watcher: watcher}, err
 }
 
 // Finalizer use for defer