remove hardcoded plugin name

pkg/scheduler/plugins/conformance/conformance.go

@@ -24,6 +24,9 @@ import (
 	"volcano.sh/volcano/pkg/scheduler/framework"
 )
 
+// PluginName indicates name of volcano scheduler plugin.
+const PluginName = "conformance"
+
 type conformancePlugin struct {
 	// Arguments given for the plugin
 	pluginArguments framework.Arguments
@@ -35,7 +38,7 @@ func New(arguments framework.Arguments) framework.Plugin {
 }
 
 func (pp *conformancePlugin) Name() string {
-	return "conformance"
+	return PluginName
 }
 
 func (pp *conformancePlugin) OnSessionOpen(ssn *framework.Session) {

pkg/scheduler/plugins/drf/drf.go

@@ -26,6 +26,9 @@ import (
 	"volcano.sh/volcano/pkg/scheduler/framework"
 )
 
+// PluginName indicates name of volcano scheduler plugin.
+const PluginName = "drf"
+
 var shareDelta = 0.000001
 
 type drfAttr struct {
@@ -54,7 +57,7 @@ func New(arguments framework.Arguments) framework.Plugin {
 }
 
 func (drf *drfPlugin) Name() string {
-	return "drf"
+	return PluginName
 }
 
 func (drf *drfPlugin) OnSessionOpen(ssn *framework.Session) {

pkg/scheduler/plugins/factory.go

@@ -30,13 +30,13 @@ import (
 
 func init() {
 	// Plugins for Jobs
-	framework.RegisterPluginBuilder("drf", drf.New)
-	framework.RegisterPluginBuilder("gang", gang.New)
-	framework.RegisterPluginBuilder("predicates", predicates.New)
-	framework.RegisterPluginBuilder("priority", priority.New)
-	framework.RegisterPluginBuilder("nodeorder", nodeorder.New)
-	framework.RegisterPluginBuilder("conformance", conformance.New)
+	framework.RegisterPluginBuilder(drf.PluginName, drf.New)
+	framework.RegisterPluginBuilder(gang.PluginName, gang.New)
+	framework.RegisterPluginBuilder(predicates.PluginName, predicates.New)
+	framework.RegisterPluginBuilder(priority.PluginName, priority.New)
+	framework.RegisterPluginBuilder(nodeorder.PluginName, nodeorder.New)
+	framework.RegisterPluginBuilder(conformance.PluginName, conformance.New)
 
 	// Plugins for Queues
-	framework.RegisterPluginBuilder("proportion", proportion.New)
+	framework.RegisterPluginBuilder(proportion.PluginName, proportion.New)
 }

pkg/scheduler/plugins/gang/gang.go

@@ -30,6 +30,9 @@ import (
 	"volcano.sh/volcano/pkg/scheduler/metrics"
 )
 
+// PluginName indicates name of volcano scheduler plugin.
+const PluginName = "gang"
+
 type gangPlugin struct {
 	// Arguments given for the plugin
 	pluginArguments framework.Arguments
@@ -41,7 +44,7 @@ func New(arguments framework.Arguments) framework.Plugin {
 }
 
 func (gp *gangPlugin) Name() string {
-	return "gang"
+	return PluginName
 }
 
 func (gp *gangPlugin) OnSessionOpen(ssn *framework.Session) {

pkg/scheduler/plugins/nodeorder/nodeorder.go

@@ -32,6 +32,9 @@ import (
 )
 
 const (
+	// PluginName indicates name of volcano scheduler plugin.
+	PluginName = "nodeorder"
+
 	// NodeAffinityWeight is the key for providing Node Affinity Priority Weight in YAML
 	NodeAffinityWeight = "nodeaffinity.weight"
 	// PodAffinityWeight is the key for providing Pod Affinity Priority Weight in YAML
@@ -47,43 +50,13 @@ type nodeOrderPlugin struct {
 	pluginArguments framework.Arguments
 }
 
-func getInterPodAffinityScore(name string, interPodAffinityScore schedulerapi.HostPriorityList) int {
-	for _, hostPriority := range interPodAffinityScore {
-		if hostPriority.Host == name {
-			return hostPriority.Score
-		}
-	}
-	return 0
-}
-
-type cachedNodeInfo struct {
-	session *framework.Session
-}
-
-func (c *cachedNodeInfo) GetNodeInfo(name string) (*v1.Node, error) {
-	node, found := c.session.Nodes[name]
-	if !found {
-		for _, cacheNode := range c.session.Nodes {
-			pods := cacheNode.Pods()
-			for _, pod := range pods {
-				if pod.Spec.NodeName == "" {
-					return cacheNode.Node, nil
-				}
-			}
-		}
-		return nil, fmt.Errorf("failed to find node <%s>", name)
-	}
-
-	return node.Node, nil
-}
-
 //New function returns prioritizePlugin object
 func New(aruguments framework.Arguments) framework.Plugin {
 	return &nodeOrderPlugin{pluginArguments: aruguments}
 }
 
 func (pp *nodeOrderPlugin) Name() string {
-	return "nodeorder"
+	return PluginName
 }
 
 type priorityWeight struct {
@@ -249,3 +222,24 @@ func (pp *nodeOrderPlugin) OnSessionOpen(ssn *framework.Session) {
 
 func (pp *nodeOrderPlugin) OnSessionClose(ssn *framework.Session) {
 }
+
+type cachedNodeInfo struct {
+	session *framework.Session
+}
+
+func (c *cachedNodeInfo) GetNodeInfo(name string) (*v1.Node, error) {
+	node, found := c.session.Nodes[name]
+	if !found {
+		for _, cacheNode := range c.session.Nodes {
+			pods := cacheNode.Pods()
+			for _, pod := range pods {
+				if pod.Spec.NodeName == "" {
+					return cacheNode.Node, nil
+				}
+			}
+		}
+		return nil, fmt.Errorf("failed to find node <%s>", name)
+	}
+
+	return node.Node, nil
+}

pkg/scheduler/plugins/predicates/predicates.go

@@ -32,6 +32,9 @@ import (
 )
 
 const (
+	// PluginName indicates name of volcano scheduler plugin.
+	PluginName = "predicates"
+
 	// MemoryPressurePredicate is the key for enabling Memory Pressure Predicate in YAML
 	MemoryPressurePredicate = "predicate.MemoryPressureEnable"
 	// DiskPressurePredicate is the key for enabling Disk Pressure Predicate in YAML
@@ -51,7 +54,7 @@ func New(arguments framework.Arguments) framework.Plugin {
 }
 
 func (pp *predicatesPlugin) Name() string {
-	return "predicates"
+	return PluginName
 }
 
 func formatReason(reasons []algorithm.PredicateFailureReason) string {

pkg/scheduler/plugins/priority/priority.go

@@ -22,6 +22,9 @@ import (
 	"volcano.sh/volcano/pkg/scheduler/framework"
 )
 
+// PluginName indicates name of volcano scheduler plugin.
+const PluginName = "priority"
+
 type priorityPlugin struct {
 	// Arguments given for the plugin
 	pluginArguments framework.Arguments
@@ -33,7 +36,7 @@ func New(arguments framework.Arguments) framework.Plugin {
 }
 
 func (pp *priorityPlugin) Name() string {
-	return "priority"
+	return PluginName
 }
 
 func (pp *priorityPlugin) OnSessionOpen(ssn *framework.Session) {

pkg/scheduler/plugins/proportion/proportion.go

@@ -24,6 +24,9 @@ import (
 	"volcano.sh/volcano/pkg/scheduler/framework"
 )
 
+// PluginName indicates name of volcano scheduler plugin.
+const PluginName = "proportion"
+
 type proportionPlugin struct {
 	totalResource *api.Resource
 	queueOpts     map[api.QueueID]*queueAttr
@@ -52,7 +55,7 @@ func New(arguments framework.Arguments) framework.Plugin {
 }
 
 func (pp *proportionPlugin) Name() string {
-	return "proportion"
+	return PluginName
 }
 
 func (pp *proportionPlugin) OnSessionOpen(ssn *framework.Session) {