Add SyslogIdentifier to systemd units

This allows to distinct logs by process

Change-Id: I31f3c60c8bbf4ab9369ac74c1a2aef3e08247bbb
diff --git a/kubernetes/files/systemd/kube-apiserver.service b/kubernetes/files/systemd/kube-apiserver.service
index bfe7bd8..eead583 100644
--- a/kubernetes/files/systemd/kube-apiserver.service
+++ b/kubernetes/files/systemd/kube-apiserver.service
@@ -7,6 +7,7 @@
 Wants=etcd.service
 
 [Service]
+SyslogIdentifier=kube-apiserver
 EnvironmentFile=-/etc/kubernetes/config
 EnvironmentFile=-/etc/default/%p
 User=root
diff --git a/kubernetes/files/systemd/kube-controller-manager.service b/kubernetes/files/systemd/kube-controller-manager.service
index d08829b..24209f2 100644
--- a/kubernetes/files/systemd/kube-controller-manager.service
+++ b/kubernetes/files/systemd/kube-controller-manager.service
@@ -5,6 +5,7 @@
 After=network.target
 
 [Service]
+SyslogIdentifier=kube-controller-manager
 EnvironmentFile=-/etc/kubernetes/config
 EnvironmentFile=-/etc/default/%p
 User=root
diff --git a/kubernetes/files/systemd/kube-proxy.service b/kubernetes/files/systemd/kube-proxy.service
index 44006fa..85820f7 100644
--- a/kubernetes/files/systemd/kube-proxy.service
+++ b/kubernetes/files/systemd/kube-proxy.service
@@ -5,6 +5,7 @@
 After=network.target
 
 [Service]
+SyslogIdentifier=kube-proxy
 EnvironmentFile=-/etc/kubernetes/config
 EnvironmentFile=-/etc/default/%p
 User=root
diff --git a/kubernetes/files/systemd/kube-scheduler.service b/kubernetes/files/systemd/kube-scheduler.service
index f576341..cd80dc4 100644
--- a/kubernetes/files/systemd/kube-scheduler.service
+++ b/kubernetes/files/systemd/kube-scheduler.service
@@ -5,6 +5,7 @@
 After=network.target
 
 [Service]
+SyslogIdentifier=kube-scheduler
 EnvironmentFile=-/etc/kubernetes/config
 EnvironmentFile=-/etc/default/%p
 User=root
diff --git a/kubernetes/files/systemd/kubelet.service b/kubernetes/files/systemd/kubelet.service
index 5d5f7dc..c1f2522 100644
--- a/kubernetes/files/systemd/kubelet.service
+++ b/kubernetes/files/systemd/kubelet.service
@@ -8,6 +8,7 @@
 Conflicts=cadvisor.service
 
 [Service]
+SyslogIdentifier=kubelet
 EnvironmentFile=-/etc/kubernetes/config
 EnvironmentFile=-/etc/default/%p
 User=root