clusterloader2/testing/load/deployment.yaml

{{$HostNetworkMode := DefaultParam .CL2_USE_HOST_NETWORK_PODS false}}
# Keep the CpuRequest/MemoryRequest request equal percentage of 1-core, 4GB node.
# For now we're setting it to 0.5%.
{{$CpuRequest := DefaultParam .CpuRequest "5m"}}
{{$MemoryRequest := DefaultParam .MemoryRequest "20M"}}
{{$dnsQPSPerClient := DefaultParam .CL2_DNS_QPS_PER_CLIENT 1}}
# Guard the new DNS tests. Remove it once it's confirmed that it works on a subset of tests.
{{$USE_ADVANCED_DNSTEST := DefaultParam .CL2_USE_ADVANCED_DNSTEST false}}
{{$RUN_ON_ARM_NODES := DefaultParam .CL2_RUN_ON_ARM_NODES false}}

apiVersion: apps/v1
kind: Deployment
metadata:
  name: {{.Name}}
  labels:
    group: load
    svc: {{.SvcName}}-{{.Index}}
spec:
  replicas: {{RandIntRange .ReplicasMin .ReplicasMax}}
  selector:
    matchLabels:
      name: {{.Name}}
  template:
    metadata:
      labels:
        group: load
        name: {{.Name}}
        svc: {{.SvcName}}-{{.Index}}
{{if and .EnableDNSTests $USE_ADVANCED_DNSTEST}}
        dns-test: dnsperfgo
{{end}}
    spec:
      hostNetwork: {{$HostNetworkMode}}
      containers:
{{if .EnableDNSTests}}
{{if $USE_ADVANCED_DNSTEST}}
      - image: gcr.io/k8s-staging-perf-tests/dnsperfgo:v1.3.0
        ports:
        - containerPort: 9153
          name: dnsperfmetrics
          protocol: TCP
{{else}}
      - image: gcr.io/k8s-staging-perf-tests/dnsperfgo:v1.2.0
{{end}}
      # Fetches the dns server from /etc/resolv.conf and
      # sends 1 query per second.
      # With searchpath expansion, this is upto 12 queries per second.
      # dnsperfgo has a default client timeout of 5s. It sends queries for 60s,
      # then sleeps for 10s, to mimic bursts of DNS queries.
        command:
        - sh
        - -c
        - server=$(cat /etc/resolv.conf | grep nameserver | cut -d ' ' -f 2); echo
          "Using nameserver ${server}";
          ./dnsperfgo -duration 60s -idle-duration 10s -inputfile /var/configmap/all-queries -qps {{$dnsQPSPerClient}};
        name: {{.Name}}-dnsperf
{{else}}
      - image: k8s.gcr.io/pause:3.1
        name: {{.Name}}
{{end}}
        resources:
          requests:
            cpu: {{$CpuRequest}}
            memory: {{$MemoryRequest}}
        volumeMounts:
          - name: configmap
            mountPath: /var/configmap
          - name: secret
            mountPath: /var/secret
      terminationGracePeriodSeconds: 1
      # Add not-ready/unreachable tolerations for 15 minutes so that node
      # failure doesn't trigger pod deletion.
      tolerations:
      - key: "node.kubernetes.io/not-ready"
        operator: "Exists"
        effect: "NoExecute"
        tolerationSeconds: 900
      - key: "node.kubernetes.io/unreachable"
        operator: "Exists"
        effect: "NoExecute"
        tolerationSeconds: 900
      {{if $RUN_ON_ARM_NODES}}
      - key: "kubernetes.io/arch"
        operator: Equal
        value: arm64
        effect: NoSchedule
      {{end}}
      volumes:
        - name: configmap
          configMap:
            name: {{.BaseName}}-{{.Index}}
        - name: secret
          secret:
            secretName: {{.BaseName}}-{{.Index}}