Adjust test in salt file to use boolean value

cluster/saltbase/salt/fluentd-es/fluentd-es.manifest

@@ -0,0 +1,21 @@
+version: v1beta2
+id: fluentd-to-elasticsearch
+containers:
+  - name: fluentd-es
+    image: kubernetes/fluentd-elasticsearch
+    volumeMounts:
+      - name: containers
+        mountPath: /var/lib/docker/containers
+        readOnly: true
+      - name: hosts
+        mountPath: /outerhost
+        readOnly: true
+volumes:
+  - name: containers
+    source:
+      hostDir:
+        path: /var/lib/docker/containers
+  - name: hosts
+    source:
+      hostDir:
+        path: /etc/hosts

cluster/saltbase/salt/fluentd-es/init.sls

@@ -0,0 +1,8 @@
+/etc/kubernetes/manifests/fluentd-es.manifest:
+  file.managed:
+    - source: salt://fluentd-es/fluentd-es.manifest
+    - user: root
+    - group: root
+    - mode: 644
+    - makedirs: true
+    - dir_mode: 755

cluster/saltbase/salt/top.sls

@@ -8,6 +8,9 @@ base:
     - kubelet
     - kube-proxy
     - cadvisor
+{% if pillar['use-fluentd-es'] is defined and pillar['use-fluentd-es'] %}
+    - fluentd-es
+{% endif %}
     # We need a binary release of nsinit
     # - nsinit
     - logrotate
@@ -36,4 +39,3 @@ base:
   'roles:kubernetes-pool-vagrant':
     - match: grain
     - vagrant
-