Enable CFS quota in vagrant setup

cluster/saltbase/salt/kubelet/default

@@ -97,10 +97,15 @@
   {% set pod_cidr = "--pod-cidr=" + grains['cbr-cidr'] %}
 {% endif %}
 
+{% set cpu_cfs_quota = "" %}
+{% if pillar['enable_cpu_cfs_quota'] is defined -%}
+ {% set cpu_cfs_quota = "--cpu-cfs-quota=" + pillar['enable_cpu_cfs_quota'] -%}
+{% endif -%}
+
 {% set test_args = "" -%}
 {% if pillar['kubelet_test_args'] is defined -%}
   {% set test_args=pillar['kubelet_test_args'] %}
 {% endif -%}
 
 # test_args has to be kept at the end, so they'll overwrite any prior configuration
-DAEMON_ARGS="{{daemon_args}} {{api_servers_with_port}} {{debugging_handlers}} {{hostname_override}} {{cloud_provider}} {{config}} {{manifest_url}} --allow-privileged={{pillar['allow_privileged']}} {{pillar['log_level']}} {{cluster_dns}} {{cluster_domain}} {{docker_root}} {{kubelet_root}} {{configure_cbr0}} {{cgroup_root}} {{system_container}} {{pod_cidr}} {{test_args}}"
+DAEMON_ARGS="{{daemon_args}} {{api_servers_with_port}} {{debugging_handlers}} {{hostname_override}} {{cloud_provider}} {{config}} {{manifest_url}} --allow-privileged={{pillar['allow_privileged']}} {{pillar['log_level']}} {{cluster_dns}} {{cluster_domain}} {{docker_root}} {{kubelet_root}} {{configure_cbr0}} {{cgroup_root}} {{system_container}} {{pod_cidr}} {{cpu_cfs_quota}} {{test_args}}"

cluster/vagrant/config-default.sh

@@ -76,6 +76,9 @@ ENABLE_CLUSTER_MONITORING="${KUBE_ENABLE_CLUSTER_MONITORING:-influxdb}"
 #EXTRA_DOCKER_OPTS="-b=cbr0 --selinux-enabled --insecure-registry 10.0.0.0/8"
 EXTRA_DOCKER_OPTS="-b=cbr0 --insecure-registry 10.0.0.0/8"
 
+# Flag to tell the kubelet to enable CFS quota support
+ENABLE_CPU_CFS_QUOTA="${KUBE_ENABLE_CPU_CFS_QUOTA:-true}"
+
 # Optional: Install cluster DNS.
 ENABLE_CLUSTER_DNS="${KUBE_ENABLE_CLUSTER_DNS:-true}"
 DNS_SERVER_IP="10.247.0.10"

cluster/vagrant/provision-master.sh

@@ -126,6 +126,7 @@ cat <<EOF >/srv/salt-overlay/pillar/cluster-params.sls
   dns_domain: '$(echo "$DNS_DOMAIN" | sed -e "s/'/''/g")'
   instance_prefix: '$(echo "$INSTANCE_PREFIX" | sed -e "s/'/''/g")'
   admission_control: '$(echo "$ADMISSION_CONTROL" | sed -e "s/'/''/g")'
+  enable_cpu_cfs_quota: '$(echo "$ENABLE_CPU_CFS_QUOTA" | sed -e "s/'/''/g")'
 EOF
 
 # Configure the salt-master

cluster/vagrant/util.sh

@@ -153,6 +153,7 @@ function create-provision-scripts {
     echo "KUBELET_TOKEN='${KUBELET_TOKEN:-}'"
     echo "KUBE_PROXY_TOKEN='${KUBE_PROXY_TOKEN:-}'"
     echo "MASTER_EXTRA_SANS='${MASTER_EXTRA_SANS:-}'"
+    echo "ENABLE_CPU_CFS_QUOTA='${ENABLE_CPU_CFS_QUOTA}'"
     awk '!/^#/' "${KUBE_ROOT}/cluster/vagrant/provision-network.sh"
     awk '!/^#/' "${KUBE_ROOT}/cluster/vagrant/provision-master.sh"
   ) > "${KUBE_TEMP}/master-start.sh"