standard config opt names: node monitoring

cluster/aws/config-default.sh

@@ -35,3 +35,6 @@ MINION_IP_RANGES=($(eval echo "10.244.{1..${NUM_MINIONS}}.0/24"))
 MINION_SCOPES=""
 POLL_SLEEP_INTERVAL=3
 PORTAL_NET="10.0.0.0/16"
+
+# Optional: Install node monitoring.
+ENABLE_NODE_MONITORING=true

cluster/aws/templates/create-dynamic-salt-files.sh

@@ -24,6 +24,7 @@ node_instance_prefix: $NODE_INSTANCE_PREFIX
 portal_net: $PORTAL_NET
 use-fluentd-es: $FLUENTD_ELASTICSEARCH
 use-fluentd-gcp: $FLUENTD_GCP
+enable_node_monitoring: $ENABLE_NODE_MONITORING
 EOF
 
 mkdir -p /srv/salt-overlay/salt/nginx

cluster/aws/util.sh

@@ -255,6 +255,7 @@ function kube-up {
     echo "readonly AWS_ZONE='${ZONE}'"
     echo "readonly MASTER_HTPASSWD='${htpasswd}'"
     echo "readonly PORTAL_NET='${PORTAL_NET}'"
+    echo "readonly ENABLE_NODE_MONITORING='${ENABLE_NODE_MONITORING:-false}'"
     echo "readonly FLUENTD_ELASTICSEARCH='${FLUENTD_ELASTICSEARCH:-false}'"
     echo "readonly FLUENTD_GCP='false'"
     grep -v "^#" "${KUBE_ROOT}/cluster/aws/templates/create-dynamic-salt-files.sh"