AETHER-572 Expose prometheus exporter ports for OMEC control plane services

Change-Id: I8a726b94f2bd958a814d229e182d6cf7f1f6feed
diff --git a/omec/omec-control-plane/templates/configmap-spgwc.yaml b/omec/omec-control-plane/templates/configmap-spgwc.yaml
index 030a09a..4e3ebef 100644
--- a/omec/omec-control-plane/templates/configmap-spgwc.yaml
+++ b/omec/omec-control-plane/templates/configmap-spgwc.yaml
@@ -26,6 +26,7 @@
     PFCP_PORT = 8805
     UPF_PFCP_IP = 127.0.0.1
     UPF_PFCP_PORT = 8805
+    PROMETHEUS_PORT = {{ .Values.config.spgwc.prometheus.port }}
     TRANSMIT_TIMER = 2
     PERIODIC_TIMER = 10
     TRANSMIT_COUNT = 5
@@ -90,6 +91,7 @@
 {{ $value | indent 4 }}
 {{- end }}
 {{- range $key, $value := .Values.config.spgwc.jsonCfgFiles }}
-  {{ $key }}: {{ toJson $value | quote }}
+  {{ $key }}: |-
+{{ toPrettyJson $value | indent 4 }}
 {{- end }}
 {{- end }}