Enable fluentd monitoring in single and multinode jobs

This updates the scripts for deploying fluentd to include
overrides for enabling prometheus monitoring. Despite not
deploying prometheus in the osh-infra-logging job, we can still
leverage the post run job to gather metrics from the exporters
service. This gives us the means for verifying the functionality
of the exporter

Change-Id: Id98474de89d86419157635007e2f114f0947498e

tools/deployment/multinode/130-fluent-logging.sh

@@ -21,6 +21,9 @@ make fluent-logging
 
 if [ ! -d "/var/log/journal" ]; then
 tee /tmp/fluent-logging.yaml << EOF
+monitoring:
+  prometheus:
+    enabled: true
 pod:
   mounts:
     fluentbit:

tools/deployment/osh-infra-logging/060-fluent-logging.sh

@@ -21,6 +21,9 @@ make fluent-logging
 
 if [ ! -d "/var/log/journal" ]; then
 tee /tmp/fluent-logging.yaml << EOF
+monitoring:
+  prometheus:
+    enabled: true
 pod:
   replicas:
     fluentd: 1
@@ -41,7 +44,8 @@ helm upgrade --install fluent-logging ./fluent-logging \
 else
 helm upgrade --install fluent-logging ./fluent-logging \
     --namespace=osh-infra \
-    --set pod.replicas.fluentd=1
+    --set pod.replicas.fluentd=1 \
+    --set monitoring.prometheus.enabled=true
 fi
 
 #NOTE: Wait for deploy