logs for master components

cluster/saltbase/salt/kube-scheduler/init.sls

@@ -9,6 +9,12 @@
     - makedirs: true
     - dir_mode: 755
 
+/var/log/kube-scheduler.log:
+  file.managed:
+    - user: root
+    - group: root
+    - mode: 644
+
 #stop legacy kube-scheduler service 
 stop_kube-scheduler:
   service.dead:

cluster/saltbase/salt/kube-scheduler/kube-scheduler.manifest

@@ -9,10 +9,23 @@
     "name": "kube-scheduler",
     "image": "gcr.io/google_containers/kube-scheduler:{{pillar['kube-scheduler_docker_tag']}}",
     "command": [
-                 "/kube-scheduler",
-                 "--master=127.0.0.1:8080",
-                 "{{pillar['log_level']}}"
-               ]
+                 "/bin/sh",
+                 "-c",
+                 "/usr/local/bin/kube-scheduler --master=127.0.0.1:8080 {{pillar['log_level']}} 1>>/var/log/kube-scheduler.log 2>&1"
+               ],
+    "volumeMounts": [
+        {
+          "name": "logfile",
+          "mountPath": "/var/log/kube-scheduler.log",
+          "readOnly": false
+        }
+      ]
     }
+],
+"volumes":[
+  { "name": "logfile",
+    "hostPath": {
+        "path": "/var/log/kube-scheduler.log"}
+  }
 ]
 }}