Export basic prometheus metrics from clamp

POLICY-3557: Export basic prometheus metrics from clamp
Change-Id: Ica71d089255e2a8881f668ceeb578993996f9a38
Signed-off-by: FrancescoFioraEst <francesco.fiora@est.tech>

1 files changed, 7 insertions, 0 deletions

diff --git a/runtime-controlloop/src/main/java/org/onap/policy/clamp/controlloop/runtime/config/ConverterConfiguration.java b/runtime-controlloop/src/main/java/org/onap/policy/clamp/controlloop/runtime/config/ConverterConfiguration.java
index ee0461994..b14c675df 100644
--- a/runtime-controlloop/src/main/java/org/onap/policy/clamp/controlloop/runtime/config/ConverterConfiguration.java
+++ b/runtime-controlloop/src/main/java/org/onap/policy/clamp/controlloop/runtime/config/ConverterConfiguration.java
@@ -20,9 +20,12 @@
 
 package org.onap.policy.clamp.controlloop.runtime.config;
 
+import java.util.Arrays;
 import java.util.List;
 import org.springframework.context.annotation.Configuration;
+import org.springframework.http.MediaType;
 import org.springframework.http.converter.HttpMessageConverter;
+import org.springframework.http.converter.StringHttpMessageConverter;
 import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
 
 @Configuration
@@ -32,5 +35,9 @@ public class ConverterConfiguration implements WebMvcConfigurer {
     public void extendMessageConverters(List<HttpMessageConverter<?>> converters) {
         converters.add(new CoderHttpMesageConverter<>("yaml"));
         converters.add(new CoderHttpMesageConverter<>("json"));
+
+        StringHttpMessageConverter converter = new StringHttpMessageConverter();
+        converter.setSupportedMediaTypes(Arrays.asList(MediaType.TEXT_PLAIN));
+        converters.add(converter);
     }
 }