Bump fluentd-es image version

cluster/addons/fluentd-elasticsearch/fluentd-es-image/Makefile

@@ -14,11 +14,12 @@
 
 .PHONY:	build push
 
+PREFIX = gcr.io/google_containers
 IMAGE = fluentd-elasticsearch
-TAG = 1.19
+TAG = 1.20
 
 build:
-	docker build -t gcr.io/google_containers/$(IMAGE):$(TAG) .
+	docker build -t $(PREFIX)/$(IMAGE):$(TAG) .
 
 push:
-	gcloud docker --server=gcr.io -- push gcr.io/google_containers/$(IMAGE):$(TAG)
+	gcloud docker --server=gcr.io -- push $(PREFIX)/$(IMAGE):$(TAG)

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

@@ -8,7 +8,7 @@ metadata:
 spec:
   containers:
   - name: fluentd-elasticsearch
-    image: gcr.io/google_containers/fluentd-elasticsearch:1.19
+    image: gcr.io/google_containers/fluentd-elasticsearch:1.20
     resources:
       limits:
         memory: 200Mi