support multi-scheduler for k8s workload deployment, etc

[huone1]

Signed-off-by: huone1 huwanxing@huawei.com

set deployment volcano-controller scheduler list : volcano and volcano2

spec:
      containers:
      - args:
        - --logtostderr
        - --scheduler-name=volcano
        - --scheduler-name=volcano2
        - -v=4
        - 2>&1

kubeclt apply deploymentA and the podgroup should be created

apiVersion: apps/v1
kind: Deployment
metadata:
  name: deploymentA
  labels:
    app: deployment-a
spec:
  replicas: 2
  selector:
    matchLabels:
      app: nginx
  template:
    metadata:
      labels:
        app: deployment-a
    spec:
      schedulerName: volcano2
      containers:
      - name: nginx
        image: nginx:1.14.2
        ports:
        - containerPort: 80

kubectl get pg
NAME                                            AGE
podgroup-7be41a1b-78ee-477e-8690-2a79a284b5ca   5m7s

kubeclt apply deploymentB with schedulerName=volcano3 and the podgroup shouldn't be created

apiVersion: apps/v1
kind: Deployment
metadata:
  name: deploymentB
  labels:
    app: deployment-b
spec:
  replicas: 2
  selector:
    matchLabels:
      app: nginx
  template:
    metadata:
      labels:
        app: deployment-b
    spec:
      schedulerName: volcano3
      containers:
      - name: nginx
        image: nginx:1.14.2
        ports:
        - containerPort: 80

kubectl get pg
No resources found in default namespace.

[Thor-wl]

Any background for this PR? @huone1

[Thor-wl]

/lgtm

[volcano-sh-bot]

@huone1: you cannot LGTM your own PR.

In response to this:

/lgtm

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[william-wang]

/lgtm
/approve

[volcano-sh-bot]

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