Merge branch 'cleanup-taskspecs' into 'master'

Rename job.spec.taskSpecs to tasks everywhere

fixes: volcano-sh#38

Issues info:
Issue ID: 38
Title: Rename job.spec.taskSpecs to tasks everywhere
Issue url: CBU-PaaS/Community/volcano/volcano#38


See merge request CBU-PaaS/Community/volcano/volcano!18

config/crds/batch_v1alpha1_job.yaml

@@ -76,9 +76,9 @@ spec:
                 type: object
               type: array
             schedulerName:
-              description: SchedulerName is the default value of `taskSpecs.template.spec.schedulerName`.
+              description: SchedulerName is the default value of `tasks.template.spec.schedulerName`.
               type: string
-            taskSpecs:
+            tasks:
               description: Tasks specifies the task specification of Job
               items:
                 properties:

example/job.yaml

@@ -18,7 +18,7 @@ spec:
       resources:
         requests:
           storage: 1Gi
-  taskSpecs:
+  tasks:
   - replicas: 6
     template:
       metadata:

pkg/apis/batch/v1alpha1/job.go

@@ -39,7 +39,7 @@ type Job struct {
 
 // JobSpec describes how the job execution will look like and when it will actually run
 type JobSpec struct {
-	// SchedulerName is the default value of `taskSpecs.template.spec.schedulerName`.
+	// SchedulerName is the default value of `tasks.template.spec.schedulerName`.
 	// +optional
 	SchedulerName string `json:"schedulerName,omitempty" protobuf:"bytes,1,opt,name=schedulerName"`
 
@@ -55,7 +55,7 @@ type JobSpec struct {
 
 	// Tasks specifies the task specification of Job
 	// +optional
-	Tasks []TaskSpec `json:"taskSpecs,omitempty" protobuf:"bytes,5,opt,name=taskSpecs"`
+	Tasks []TaskSpec `json:"tasks,omitempty" protobuf:"bytes,5,opt,name=tasks"`
 
 	// Specifies the default lifecycle of tasks
 	// +optional