Add envs for configuring hollow-node resource usage.

In addition clean up template variables to always use lower case in
hollow-node_template.yaml.

Author: mm4tt

test/kubemark/resources/hollow-node_template.yaml

@@ -62,8 +62,8 @@ spec:
           mountPath: /var/log
         resources:
           requests:
-            cpu: 40m
-            memory: 100M
+            cpu: {{hollow_kubelet_millicpu}}m
+            memory: {{hollow_kubelet_mem_Ki}}Ki
         securityContext:
           privileged: true
       - name: hollow-proxy
@@ -90,8 +90,8 @@ spec:
           mountPath: /var/log
         resources:
           requests:
-            cpu: {{HOLLOW_PROXY_CPU}}m
-            memory: {{HOLLOW_PROXY_MEM}}Ki
+            cpu: {{hollow_proxy_millicpu}}m
+            memory: {{hollow_proxy_mem_Ki}}Ki
       - name: hollow-node-problem-detector
         image: k8s.gcr.io/node-problem-detector:v0.8.0
         env:
@@ -117,8 +117,8 @@ spec:
           mountPath: /var/log
         resources:
           requests:
-            cpu: 20m
-            memory: 20Mi
+            cpu: {{npd_millicpu}}m
+            memory: {{npd_mem_Ki}}Ki
         securityContext:
           privileged: true
       # Keep the pod running on unreachable node for 15 minutes.

test/kubemark/start-kubemark.sh

@@ -149,10 +149,16 @@ function create-kube-hollow-node-resources {
   if [ "${NUM_NODES}" -gt 1000 ]; then
     proxy_cpu=50
   fi
-  proxy_mem_per_node=50
+  proxy_cpu=${KUBEMARK_HOLLOW_PROXY_MILLICPU:-$proxy_cpu}
+  proxy_mem_per_node=${KUBEMARK_HOLLOW_PROXY_MEM_PER_NODE_KB:-50}
   proxy_mem=$((100 * 1024 + proxy_mem_per_node*NUM_NODES))
-  sed -i'' -e "s@{{HOLLOW_PROXY_CPU}}@${proxy_cpu}@g" "${RESOURCE_DIRECTORY}/hollow-node.yaml"
-  sed -i'' -e "s@{{HOLLOW_PROXY_MEM}}@${proxy_mem}@g" "${RESOURCE_DIRECTORY}/hollow-node.yaml"
+
+  sed -i'' -e "s@{{hollow_kubelet_millicpu}}@${KUBEMARK_HOLLOW_KUBELET_MILLICPU:-40}@g" "${RESOURCE_DIRECTORY}/hollow-node.yaml"
+  sed -i'' -e "s@{{hollow_kubelet_mem_Ki}}@${KUBEMARK_HOLLOW_KUBELET_MEM_KB:-$((100*1024))}@g" "${RESOURCE_DIRECTORY}/hollow-node.yaml"
+  sed -i'' -e "s@{{hollow_proxy_millicpu}}@${proxy_cpu}@g" "${RESOURCE_DIRECTORY}/hollow-node.yaml"
+  sed -i'' -e "s@{{hollow_proxy_mem_Ki}}@${proxy_mem}@g" "${RESOURCE_DIRECTORY}/hollow-node.yaml"
+  sed -i'' -e "s@{{npd_millicpu}}@${KUBEMARK_NPD_MILLICPU:-20}@g" "${RESOURCE_DIRECTORY}/hollow-node.yaml"
+  sed -i'' -e "s@{{npd_mem_Ki}}@${KUBEMARK_NPD_MEM_KB:-$((20*1024))}@g" "${RESOURCE_DIRECTORY}/hollow-node.yaml"
   sed -i'' -e "s@{{kubemark_image_registry}}@${KUBEMARK_IMAGE_REGISTRY}@g" "${RESOURCE_DIRECTORY}/hollow-node.yaml"
   sed -i'' -e "s@{{kubemark_image_tag}}@${KUBEMARK_IMAGE_TAG}@g" "${RESOURCE_DIRECTORY}/hollow-node.yaml"
   sed -i'' -e "s@{{master_ip}}@${MASTER_IP}@g" "${RESOURCE_DIRECTORY}/hollow-node.yaml"