[K8s] Add units to make k8s working on debian

Change-Id: Iec45db413f0e88a68b435a13aa7a4b4a6fdfd818

Kubernetes/KubernetesCluster/package/Resources/HAProxySetup.template

@@ -30,6 +30,7 @@ Scripts:
       - init_conf/confd.conf
       - haproxy.tmpl
       - haproxy.toml
+      - systemd/confd.service
 
     Options:
       captureStdout: true

Kubernetes/KubernetesCluster/package/Resources/KubeMasterSetup.template

@@ -36,6 +36,12 @@ Scripts:
       - default_scripts/kube-apiserver
       - default_scripts/kube-scheduler
       - default_scripts/kube-controller-manager
+      - environ/apiserver
+      - environ/kube-config
+      - systemd/kube-apiserver.service
+      - systemd/kube-scheduler.service
+      - systemd/kube-controller-manager.service
+
 
     Options:
       captureStdout: true

Kubernetes/KubernetesCluster/package/Resources/KubeMinionSetup.template

@@ -44,6 +44,10 @@ Scripts:
       - init_conf/kube-proxy.conf
       - initd_scripts/kubelet
       - initd_scripts/kube-proxy
+      - environ/kubelet
+      - environ/kube-config
+      - systemd/kube-proxy.service
+      - systemd/kubelet.service
 
     Options:
       captureStdout: true

Kubernetes/KubernetesCluster/package/Resources/MasterEtcdSetup.template

@@ -30,7 +30,8 @@ Scripts:
       - default_scripts/etcd-master
       - init_conf/etcd.conf
       - initd_scripts/etcd
-
+      - environ/etcd
+      - systemd/etcd.service
     Options:
       captureStdout: true
       captureStderr: true

Kubernetes/KubernetesCluster/package/Resources/MemberEtcdSetup.template

@@ -30,7 +30,8 @@ Scripts:
       - default_scripts/etcd-member
       - init_conf/etcd.conf
       - initd_scripts/etcd
-
+      - environ/etcd
+      - systemd/etcd.service
 
     Options:
       captureStdout: true

Kubernetes/KubernetesCluster/package/Resources/SetupFlannelNode.template

@@ -28,7 +28,8 @@ Scripts:
       - init_conf/flanneld.conf
       - initd_scripts/flanneld
       - default_scripts/flanneld
-
+      - systemd/flanneld.service
+      - systemd/docker.service
     Options:
       captureStdout: true
       captureStderr: true

Kubernetes/KubernetesCluster/package/Resources/scripts/environ/apiserver

@@ -0,0 +1,26 @@
+###
+# kubernetes system config
+#
+# The following values are used to configure the kube-apiserver
+#
+
+# The address on the local server to listen to.
+KUBE_API_ADDRESS="--address=0.0.0.0"
+
+# The port on the local server to listen on.
+# KUBE_API_PORT="--port=8080"
+
+# Port minions listen on
+# KUBELET_PORT="--kubelet-port=10250"
+
+# Comma separated list of nodes in the etcd cluster
+KUBE_ETCD_SERVERS="--etcd-servers=http://127.0.0.1:4001"
+
+# Address range to use for services
+KUBE_SERVICE_ADDRESSES="--service-cluster-ip-range=10.254.0.0/16"
+
+# default admission control policies
+KUBE_ADMISSION_CONTROL="--admission-control=NamespaceLifecycle,NamespaceExists,LimitRanger,SecurityContextDeny,ResourceQuota"
+
+# Add your own!
+KUBE_API_ARGS="--portal_net=11.1.0.0/16"

Kubernetes/KubernetesCluster/package/Resources/scripts/environ/etcd

@@ -0,0 +1,12 @@
+###
+# etcd system config
+#
+
+NAME="-name %%NAME%%"
+LISTEN_PEER_URLS="-listen-peer-urls http://%%IP%%:7001,http://127.0.0.1:7001"
+LISTEN_CLIENT_URLS="-listen-client-urls http://%%IP%%:4001,http://127.0.0.1:4001"
+INITIAL_ADV_PEER_URLS="-initial-advertise-peer-urls http://%%IP%%:7001"
+INITIAL_CLUSTER_STATE="-initial-cluster-state %%STATE%%"
+INITIAL_CLUSTER="-initial-cluster %%CLUSTER_CONFIG%%"
+ADV_CLIENT_URLS="-advertise-client-urls http://%%IP%%:4001,http://127.0.0.1:4001"
+ETCD_OPTS="-snapshot-count 1000"

Kubernetes/KubernetesCluster/package/Resources/scripts/environ/kube-config

@@ -0,0 +1,22 @@
+###
+# kubernetes system config
+#
+# The following values are used to configure various aspects of all
+# kubernetes services, including
+#
+#   kube-apiserver.service
+#   kube-controller-manager.service
+#   kube-scheduler.service
+#   kubelet.service
+#   kube-proxy.service
+# logging to stderr means we get it in the systemd journal
+KUBE_LOGTOSTDERR="--logtostderr=true"
+
+# journal message level, 0 is debug
+KUBE_LOG_LEVEL="--v=0"
+
+# Should this cluster be allowed to run privileged docker containers
+KUBE_ALLOW_PRIV="--allow-privileged=false"
+
+# How the controller-manager, scheduler, and proxy find the apiserver
+KUBE_MASTER="--master=http://%%MASTER_IP%%:8080"

Kubernetes/KubernetesCluster/package/Resources/scripts/environ/kubelet

@@ -0,0 +1,17 @@
+###
+# kubernetes kubelet (minion) config
+
+# The address for the info server to serve on (set to 0.0.0.0 or "" for all interfaces)
+KUBELET_ADDRESS="--address=%%IP%%"
+
+# The port for the info server to serve on
+# KUBELET_PORT="--port=10250"
+
+# You may leave this blank to use the actual hostname
+KUBELET_HOSTNAME="--hostname-override=%%IP%%"
+
+# location of the api-server
+KUBELET_API_SERVER="--api-servers=http://%%MASTER_IP%%:8080"
+
+# Add your own!
+KUBELET_ARGS=""

Kubernetes/KubernetesCluster/package/Resources/scripts/haproxy-setup.sh

@@ -9,10 +9,18 @@ cp -f haproxy.tmpl /etc/confd/templates/
 
 cp -f default_scripts/haproxy /etc/default/
 
-sed -i.bkp "s/%%MASTER_NODE%%/$1/g" init_conf/confd.conf
-cp -f init_conf/confd.conf /etc/init/
-
-service confd start
-service haproxy start
+if [[ $(which systemctl) ]]; then
+  sed -i.bak "s/%%MASTER_NODE%%/$1/g" systemd/confd.service
+  cp -f systemd/confd.service /etc/systemd/system/
+  systemctl enable confd
+  systemctl start confd
+  systemctl enable haproxy
+  systemctl start haproxy
+else
+  sed -i.bak "s/%%MASTER_NODE%%/$1/g" init_conf/confd.conf
+  cp -f init_conf/confd.conf /etc/init/
+  service confd start
+  service haproxy start
+fi
 
 sleep 1

Kubernetes/KubernetesCluster/package/Resources/scripts/haproxy.toml

@@ -4,4 +4,4 @@ dest = "/etc/haproxy/haproxy.cfg"
 keys = [
   "/registry/services"
 ]
-reload_cmd = "/usr/sbin/service haproxy reload"
+reload_cmd = "/usr/sbin/service haproxy restart"

Kubernetes/KubernetesCluster/package/Resources/scripts/master-etcd-setup.sh

@@ -3,16 +3,38 @@
 # $1 - NAME
 # $2 - IP
 #
-service etcd stop
-mkdir /var/lib/etcd
 
-sed -i.bkp "s/%%NAME%%/$1/g" default_scripts/etcd-master
-sed -i.bkp "s/%%IP%%/$2/g" default_scripts/etcd-master
+if [[ $(which systemctl) ]]; then
+  systemctl stop etcd
+  mkdir -p /var/lib/etcd
 
-cp -f default_scripts/etcd-master /etc/default/etcd
-cp init_conf/etcd.conf /etc/init/
+  sed -i.bak "s/%%NAME%%/$1/g" environ/etcd
+  sed -i.bak "s/%%IP%%/$2/g" environ/etcd
+  sed -i.bak "s/%%STATE%%/new/g" environ/etcd
+  sed -i.bak "s/%%CLUSTER_CONFIG%%/$1=http:\/\/$2:7001/g" environ/etcd
 
-chmod +x initd_scripts/*
-cp initd_scripts/etcd /etc/init.d/
-service etcd start
-sleep 10
+  echo 'INITIAL_CLUSTER_TOKEN="--initial-cluster-token new-token"' >> environ/etcd
+
+  cp -f environ/etcd /etc/default/
+  cp -f systemd/etcd.service /etc/systemd/system/
+
+  systemctl daemon-reload
+  systemctl enable etcd
+  systemctl start etcd
+
+else
+  service etcd stop
+  mkdir /var/lib/etcd
+
+  sed -i.bak "s/%%NAME%%/$1/g" default_scripts/etcd-master
+  sed -i.bak "s/%%IP%%/$2/g" default_scripts/etcd-master
+
+  cp -f default_scripts/etcd-master /etc/default/etcd
+  cp init_conf/etcd.conf /etc/init/
+
+  chmod +x initd_scripts/*
+  cp initd_scripts/etcd /etc/init.d/
+  service etcd start
+fi
+
+sleep 5

Kubernetes/KubernetesCluster/package/Resources/scripts/master-kube-setup.sh

@@ -3,38 +3,62 @@
 # $1 - NAME
 # $2 - IP
 
-service kube-proxy stop
-service kube-scheduler stop
-service kube-controller-manager stop
-service kubelet stop
-service kube-apiserver stop
-
-#Disable controller-manager for now
-#chmod -x /etc/init.d/kube-controller-manager
-
 #Create log folder for Kubernetes services
-mkdir /var/log/kubernetes
 mkdir -p /var/run/murano-kubernetes
 
-sed -i.bkp "s/%%MASTER_IP%%/$2/g" default_scripts/kube-scheduler
+if [[ $(which systemctl) ]]; then
+  systemctl stop kube*
+  sed -i.bak "s/%%MASTER_IP%%/$2/g" environ/kube-config
 
-cp -f default_scripts/kube-apiserver /etc/default/
-cp -f default_scripts/kube-scheduler /etc/default/
-cp -f default_scripts/kube-controller-manager /etc/default/
+  mkdir -p /etc/kubernetes/
 
-cp init_conf/kube-apiserver.conf /etc/init/
-cp init_conf/kube-controller-manager.conf /etc/init/
-cp init_conf/kube-scheduler.conf /etc/init/
+  cp -f environ/apiserver /etc/kubernetes/apiserver
+  cp -f environ/kube-config /etc/kubernetes/config
 
-chmod +x initd_scripts/*
-cp initd_scripts/kube-apiserver /etc/init.d/
-cp initd_scripts/kube-controller-manager /etc/init.d/
-cp initd_scripts/kube-scheduler /etc/init.d/
+  cp -f systemd/kube-apiserver.service /etc/systemd/system/
+  cp -f systemd/kube-scheduler.service /etc/systemd/system/
+  cp -f systemd/kube-controller-manager.service /etc/systemd/system/
 
-service kube-apiserver start
-service kube-scheduler start
-service kube-controller-manager start
+  systemctl daemon-reload
 
+  systemctl enable kube-apiserver
+  systemctl enable kube-scheduler
+  systemctl enable kube-controller-manager
+
+  systemctl start kube-apiserver
+  systemctl start kube-scheduler
+  systemctl start kube-controller-manager
+
+else
+  service kube-proxy stop
+  service kube-scheduler stop
+  service kube-controller-manager stop
+  service kubelet stop
+  service kube-apiserver stop
+
+  #Disable controller-manager for now
+  #chmod -x /etc/init.d/kube-controller-manager
+
+  sed -i.bak "s/%%MASTER_IP%%/$2/g" default_scripts/kube-scheduler
+
+  cp -f default_scripts/kube-apiserver /etc/default/
+  cp -f default_scripts/kube-scheduler /etc/default/
+  cp -f default_scripts/kube-controller-manager /etc/default/
+
+  cp init_conf/kube-apiserver.conf /etc/init/
+  cp init_conf/kube-controller-manager.conf /etc/init/
+  cp init_conf/kube-scheduler.conf /etc/init/
+
+  chmod +x initd_scripts/*
+  cp initd_scripts/kube-apiserver /etc/init.d/
+  cp initd_scripts/kube-controller-manager /etc/init.d/
+  cp initd_scripts/kube-scheduler /etc/init.d/
+
+  service kube-apiserver start
+  service kube-scheduler start
+  service kube-controller-manager start
+fi
+
+mkdir /var/log/kubernetes
 /opt/bin/kubectl delete node 127.0.0.1
-
 sleep 1

Kubernetes/KubernetesCluster/package/Resources/scripts/member-etcd-setup.sh

@@ -6,13 +6,13 @@
 
 mkdir /var/lib/etcd
 
-if [[ $(systemctl) ]]; then
+if [[ $(which systemctl) ]]; then
   systemctl stop etcd
 
-  sed -i.bkp "s/%%NAME%%/$1/g" environ/etcd
-  sed -i.bkp "s/%%IP%%/$2/g" environ/etcd
-  sed -i.bkp "s/%%STATE%%/existing/g" environ/etcd
-  sed -i.bkp "s#%%CLUSTER_CONFIG%%#$3#g" environ/etcd
+  sed -i.bak "s/%%NAME%%/$1/g" environ/etcd
+  sed -i.bak "s/%%IP%%/$2/g" environ/etcd
+  sed -i.bak "s/%%STATE%%/existing/g" environ/etcd
+  sed -i.bak "s#%%CLUSTER_CONFIG%%#$3#g" environ/etcd
 
   cp -f environ/etcd /etc/default/
   cp -f systemd/etcd.service /etc/systemd/system/
@@ -24,9 +24,9 @@ if [[ $(systemctl) ]]; then
 else
   service etcd stop
 
-  sed -i.bkp "s/%%NAME%%/$1/g" default_scripts/etcd-member
-  sed -i.bkp "s/%%IP%%/$2/g" default_scripts/etcd-member
-  sed -i.bkp "s#%%CLUSTER_CONFIG%%#$3#g" default_scripts/etcd-member
+  sed -i.bak "s/%%NAME%%/$1/g" default_scripts/etcd-member
+  sed -i.bak "s/%%IP%%/$2/g" default_scripts/etcd-member
+  sed -i.bak "s#%%CLUSTER_CONFIG%%#$3#g" default_scripts/etcd-member
 
   cp -f default_scripts/etcd-member /etc/default/etcd
   cp init_conf/etcd.conf /etc/init/

Kubernetes/KubernetesCluster/package/Resources/scripts/minion-kube-setup.sh

@@ -4,24 +4,49 @@
 # $2 - IP
 # $3 - MASTER_IP
 
-mkdir /var/log/kubernetes
 mkdir -p /var/run/murano-kubernetes
 
-sed -i.bkp "s/%%MASTER_IP%%/$3/g" default_scripts/kube-proxy
-sed -i.bkp "s/%%MASTER_IP%%/$3/g" default_scripts/kubelet
-sed -i.bkp "s/%%IP%%/$2/g" default_scripts/kubelet
+if [[ $(which systemctl) ]]; then
 
-cp init_conf/kubelet.conf /etc/init/
-cp init_conf/kube-proxy.conf /etc/init/
+  sed -i.bak "s/%%MASTER_IP%%/$3/g" environ/kube-config
+  sed -i.bak "s/%%MASTER_IP%%/$3/g" environ/kubelet
+  sed -i.bak "s/%%IP%%/$2/g" environ/kubelet
 
-chmod +x initd_scripts/*
-cp initd_scripts/kubelet /etc/init.d/
-cp initd_scripts/kube-proxy /etc/init.d/
+  mkdir -p /etc/kubernetes/
 
-cp -f default_scripts/kube-proxy /etc/default
-cp -f default_scripts/kubelet /etc/default/
+  cp -f environ/kubelet /etc/kubernetes/
+  cp -f environ/kube-config /etc/kubernetes/config
 
-service kubelet start
-service kube-proxy start
+  cp -f systemd/kube-proxy.service /etc/systemd/system/
+  cp -f systemd/kubelet.service /etc/systemd/system/
+
+  systemctl daemon-reload
+
+  systemctl enable kubelet
+  systemctl enable kube-proxy
+
+  systemctl start kubelet
+  systemctl start kube-proxy
+
+else
+  mkdir /var/log/kubernetes
+
+  sed -i.bak "s/%%MASTER_IP%%/$3/g" default_scripts/kube-proxy
+  sed -i.bak "s/%%MASTER_IP%%/$3/g" default_scripts/kubelet
+  sed -i.bak "s/%%IP%%/$2/g" default_scripts/kubelet
+
+  cp init_conf/kubelet.conf /etc/init/
+  cp init_conf/kube-proxy.conf /etc/init/
+
+  chmod +x initd_scripts/*
+  cp initd_scripts/kubelet /etc/init.d/
+  cp initd_scripts/kube-proxy /etc/init.d/
+
+  cp -f default_scripts/kube-proxy /etc/default
+  cp -f default_scripts/kubelet /etc/default/
+
+  service kubelet start
+  service kube-proxy start
+fi
 
 sleep 1

Kubernetes/KubernetesCluster/package/Resources/scripts/setupFlannelMaster.sh

@@ -1,5 +1,5 @@
 #!/bin/bash
-count=10
+count=30
 
 echo "Adding flannel configuration to etcd"
 

Kubernetes/KubernetesCluster/package/Resources/scripts/setupFlannelNode.sh

@@ -1,12 +1,21 @@
 #!/bin/bash
 
-cp init_conf/flanneld.conf /etc/init/
-chmod +x initd_scripts/flanneld
-cp initd_scripts/flanneld /etc/init.d/
-cp default_scripts/flanneld /etc/default/
+if [[ $(which systemctl) ]]; then
+  cp -f systemd/docker.service /lib/systemd/system/
+  cp -f systemd/flanneld.service /etc/systemd/system/
 
+  systemctl daemon-reload
+  systemctl enable flanneld
+  systemctl start flanneld
 
-service flanneld start
+else
+  cp init_conf/flanneld.conf /etc/init/
+  chmod +x initd_scripts/flanneld
+  cp initd_scripts/flanneld /etc/init.d/
+  cp default_scripts/flanneld /etc/default/
+
+  service flanneld start
+fi
 
 source /run/flannel/subnet.env 2> /dev/null
 while [ -z "$FLANNEL_SUBNET" ]

Kubernetes/KubernetesCluster/package/Resources/scripts/systemd/confd.service

@@ -0,0 +1,13 @@
+[Unit]
+Description=Configuration Service
+Requires=etcd.service
+
+[Service]
+Restart=always
+ExecStart=/usr/local/bin/confd \
+ -backend etcd \
+ -node %%MASTER_NODE%%:4001 \
+ -interval 15
+
+[Install]
+WantedBy=basic.target

Kubernetes/KubernetesCluster/package/Resources/scripts/systemd/docker.service

@@ -0,0 +1,19 @@
+[Unit]
+Description=Docker Application Container Engine
+Documentation=https://docs.docker.com
+After=network.target docker.socket
+Requires=docker.socket
+
+[Service]
+Type=notify
+EnvironmentFile=-/etc/default/docker
+ExecStart=/usr/bin/docker daemon -H fd:// $DOCKER_OPTS
+MountFlags=slave
+LimitNOFILE=1048576
+LimitNPROC=1048576
+LimitCORE=infinity
+TimeoutStartSec=0
+Delegate=yes
+
+[Install]
+WantedBy=multi-user.target

Kubernetes/KubernetesCluster/package/Resources/scripts/systemd/etcd.service

@@ -0,0 +1,25 @@
+[Unit]
+Description=etcd key-value store
+Documentation=https://github.com/coreos/etcd
+
+[Service]
+Type=notify
+Environment=ETCD_DATA_DIR=/var/lib/etcd
+EnvironmentFile=-/etc/default/etcd
+ExecStart=/opt/bin/etcd \
+ $NAME \
+ $LISTEN_PEER_URLS \
+ $LISTEN_CLIENT_URLS \
+ $INITIAL_ADV_PEER_URLS \
+ $INITIAL_CLUSTER_STATE \
+ $INITIAL_CLUSTER \
+ $ADV_CLIENT_URLS \
+ $INITIAL_CLUSTER_TOKEN \
+ $ETCD_OPTS
+Restart=always
+RestartSec=10s
+LimitNOFILE=40000
+StandardOutput=null
+
+[Install]
+WantedBy=multi-user.target

Kubernetes/KubernetesCluster/package/Resources/scripts/systemd/flanneld.service

@@ -0,0 +1,16 @@
+[Unit]
+Description=Flanneld overlay address etcd agent
+After=network.target
+After=network-online.target
+Wants=network-online.target
+After=etcd.service
+Before=docker.service
+
+[Service]
+Type=notify
+ExecStart=/opt/bin/flanneld
+Restart=on-failure
+
+[Install]
+WantedBy=multi-user.target
+RequiredBy=docker.service

Kubernetes/KubernetesCluster/package/Resources/scripts/systemd/kube-apiserver.service

@@ -0,0 +1,26 @@
+[Unit]
+Description=Kubernetes API Server
+Documentation=https://github.com/GoogleCloudPlatform/kubernetes
+After=network.target
+After=etcd.service
+
+[Service]
+EnvironmentFile=-/etc/kubernetes/config
+EnvironmentFile=-/etc/kubernetes/apiserver
+ExecStart=/opt/bin/kube-apiserver \
+            $KUBE_LOGTOSTDERR \
+            $KUBE_LOG_LEVEL \
+            $KUBE_ETCD_SERVERS \
+            $KUBE_API_ADDRESS \
+            $KUBE_API_PORT \
+            $KUBELET_PORT \
+            $KUBE_ALLOW_PRIV \
+            $KUBE_SERVICE_ADDRESSES \
+            $KUBE_ADMISSION_CONTROL \
+            $KUBE_API_ARGS
+Restart=on-failure
+Type=notify
+LimitNOFILE=65536
+
+[Install]
+WantedBy=multi-user.target

Kubernetes/KubernetesCluster/package/Resources/scripts/systemd/kube-controller-manager.service

@@ -0,0 +1,16 @@
+[Unit]
+Description=Kubernetes Controller Manager
+Documentation=https://github.com/GoogleCloudPlatform/kubernetes
+
+[Service]
+EnvironmentFile=-/etc/kubernetes/config
+ExecStart=/opt/bin/kube-controller-manager \
+            $KUBE_LOGTOSTDERR \
+            $KUBE_LOG_LEVEL \
+            $KUBE_MASTER \
+            $KUBE_CONTROLLER_MANAGER_ARGS
+Restart=on-failure
+LimitNOFILE=65536
+
+[Install]
+WantedBy=multi-user.target

Kubernetes/KubernetesCluster/package/Resources/scripts/systemd/kube-proxy.service

@@ -0,0 +1,18 @@
+[Unit]
+Description=Kubernetes Kube-Proxy Server
+Documentation=https://github.com/GoogleCloudPlatform/kubernetes
+After=network.target
+
+[Service]
+EnvironmentFile=-/etc/kubernetes/config
+EnvironmentFile=-/etc/kubernetes/proxy
+ExecStart=/opt/bin/kube-proxy \
+	    $KUBE_LOGTOSTDERR \
+	    $KUBE_LOG_LEVEL \
+	    $KUBE_MASTER \
+	    $KUBE_PROXY_ARGS
+Restart=on-failure
+LimitNOFILE=65536
+
+[Install]
+WantedBy=multi-user.target

Kubernetes/KubernetesCluster/package/Resources/scripts/systemd/kube-scheduler.service

@@ -0,0 +1,16 @@
+[Unit]
+Description=Kubernetes Scheduler Plugin
+Documentation=https://github.com/GoogleCloudPlatform/kubernetes
+
+[Service]
+EnvironmentFile=-/etc/kubernetes/config
+ExecStart=/opt/bin/kube-scheduler \
+            $KUBE_LOGTOSTDERR \
+            $KUBE_LOG_LEVEL \
+            $KUBE_MASTER \
+            $KUBE_SCHEDULER_ARGS
+Restart=on-failure
+LimitNOFILE=65536
+
+[Install]
+WantedBy=multi-user.target

Kubernetes/KubernetesCluster/package/Resources/scripts/systemd/kubelet.service

@@ -0,0 +1,23 @@
+[Unit]
+Description=Kubernetes Kubelet Server
+Documentation=https://github.com/GoogleCloudPlatform/kubernetes
+After=docker.service
+Requires=docker.service
+
+[Service]
+EnvironmentFile=-/etc/kubernetes/config
+EnvironmentFile=-/etc/kubernetes/kubelet
+ExecStart=/opt/bin/kubelet \
+            $KUBE_LOGTOSTDERR \
+            $KUBE_LOG_LEVEL \
+            $KUBELET_API_SERVER \
+            $KUBELET_ADDRESS \
+            $KUBELET_PORT \
+            $KUBELET_HOSTNAME \
+            $KUBE_ALLOW_PRIV \
+            $KUBELET_ARGS
+Restart=on-failure
+KillMode=process
+
+[Install]
+WantedBy=multi-user.target