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-rw-r--r--openecomp-be/api/openecomp-sdc-rest-webapp/metrics-rest/src/main/java/org/openecomp/sdcrests/config/MicrometerSpringConfig.java38
-rw-r--r--openecomp-be/api/openecomp-sdc-rest-webapp/metrics-rest/src/main/java/org/openecomp/sdcrests/metrics/api/PrometheusMetricsController.java42
-rw-r--r--openecomp-be/api/openecomp-sdc-rest-webapp/metrics-rest/src/main/java/org/openecomp/sdcrests/metrics/impl/PrometheusMetricControllerImpl.java69
3 files changed, 149 insertions, 0 deletions
diff --git a/openecomp-be/api/openecomp-sdc-rest-webapp/metrics-rest/src/main/java/org/openecomp/sdcrests/config/MicrometerSpringConfig.java b/openecomp-be/api/openecomp-sdc-rest-webapp/metrics-rest/src/main/java/org/openecomp/sdcrests/config/MicrometerSpringConfig.java
new file mode 100644
index 0000000000..847f6bcf0d
--- /dev/null
+++ b/openecomp-be/api/openecomp-sdc-rest-webapp/metrics-rest/src/main/java/org/openecomp/sdcrests/config/MicrometerSpringConfig.java
@@ -0,0 +1,38 @@
+/*
+ * -
+ * ============LICENSE_START=======================================================
+ * Copyright (C) 2022 Nordix Foundation.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdcrests.config;
+
+import io.micrometer.prometheus.PrometheusConfig;
+import io.micrometer.prometheus.PrometheusMeterRegistry;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+public class MicrometerSpringConfig {
+
+ @Bean(name = "prometheusRegistry")
+ PrometheusMeterRegistry prometheusRegistry() {
+ return new PrometheusMeterRegistry(PrometheusConfig.DEFAULT);
+ }
+
+}
+
diff --git a/openecomp-be/api/openecomp-sdc-rest-webapp/metrics-rest/src/main/java/org/openecomp/sdcrests/metrics/api/PrometheusMetricsController.java b/openecomp-be/api/openecomp-sdc-rest-webapp/metrics-rest/src/main/java/org/openecomp/sdcrests/metrics/api/PrometheusMetricsController.java
new file mode 100644
index 0000000000..d7b6e36c61
--- /dev/null
+++ b/openecomp-be/api/openecomp-sdc-rest-webapp/metrics-rest/src/main/java/org/openecomp/sdcrests/metrics/api/PrometheusMetricsController.java
@@ -0,0 +1,42 @@
+/*
+ * -
+ * ============LICENSE_START=======================================================
+ * Copyright (C) 2022 Nordix Foundation.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdcrests.metrics.api;
+
+import io.swagger.v3.oas.annotations.Operation;
+import io.swagger.v3.oas.annotations.Parameter;
+import io.swagger.v3.oas.annotations.tags.Tag;
+import javax.ws.rs.GET;
+import javax.ws.rs.HeaderParam;
+import javax.ws.rs.Path;
+
+@Path(PrometheusMetricsController.URL)
+@Tag(name = "SDCE-1 APIs")
+public interface PrometheusMetricsController {
+
+ String URL = "/v1.0/actuator/prometheus";
+
+ @GET
+ @Operation(summary = "Prometheus Micrometer Metrics", description = "Gets the prometheus micrometer application metrics")
+ String prometheusMetrics(@Parameter(description = "The Accept header to determine the output content type")
+ @HeaderParam(value = "Accept") String acceptHeader);
+
+}
diff --git a/openecomp-be/api/openecomp-sdc-rest-webapp/metrics-rest/src/main/java/org/openecomp/sdcrests/metrics/impl/PrometheusMetricControllerImpl.java b/openecomp-be/api/openecomp-sdc-rest-webapp/metrics-rest/src/main/java/org/openecomp/sdcrests/metrics/impl/PrometheusMetricControllerImpl.java
new file mode 100644
index 0000000000..0472bc703b
--- /dev/null
+++ b/openecomp-be/api/openecomp-sdc-rest-webapp/metrics-rest/src/main/java/org/openecomp/sdcrests/metrics/impl/PrometheusMetricControllerImpl.java
@@ -0,0 +1,69 @@
+/*
+ * -
+ * ============LICENSE_START=======================================================
+ * Copyright (C) 2022 Nordix Foundation.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdcrests.metrics.impl;
+
+import io.micrometer.core.instrument.binder.jetty.JettyConnectionMetrics;
+import io.micrometer.core.instrument.binder.jvm.ClassLoaderMetrics;
+import io.micrometer.core.instrument.binder.jvm.JvmCompilationMetrics;
+import io.micrometer.core.instrument.binder.jvm.JvmGcMetrics;
+import io.micrometer.core.instrument.binder.jvm.JvmMemoryMetrics;
+import io.micrometer.core.instrument.binder.jvm.JvmThreadMetrics;
+import io.micrometer.core.instrument.binder.system.FileDescriptorMetrics;
+import io.micrometer.core.instrument.binder.system.ProcessorMetrics;
+import io.micrometer.core.instrument.binder.system.UptimeMetrics;
+import io.micrometer.prometheus.PrometheusMeterRegistry;
+import io.prometheus.client.exporter.common.TextFormat;
+import org.openecomp.sdcrests.metrics.api.PrometheusMetricsController;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController("prometheusMetricsController")
+public class PrometheusMetricControllerImpl implements PrometheusMetricsController {
+
+ private static final Logger LOGGER = LoggerFactory.getLogger(PrometheusMetricControllerImpl.class);
+
+ private final PrometheusMeterRegistry prometheusMeterRegistry;
+
+ public PrometheusMetricControllerImpl(final PrometheusMeterRegistry prometheusMeterRegistry) {
+ this.prometheusMeterRegistry = prometheusMeterRegistry;
+ new ClassLoaderMetrics().bindTo(prometheusMeterRegistry);
+ try (final JvmGcMetrics jvmGcMetrics = new JvmGcMetrics()) {
+ jvmGcMetrics.bindTo(prometheusMeterRegistry);
+ } catch (final Exception e) {
+ LOGGER.error("Could not instantiate the JVM GC Metrics", e);
+ }
+ new JvmMemoryMetrics().bindTo(prometheusMeterRegistry);
+ new JvmCompilationMetrics().bindTo(prometheusMeterRegistry);
+ new JvmThreadMetrics().bindTo(prometheusMeterRegistry);
+ new ProcessorMetrics().bindTo(prometheusMeterRegistry);
+ new UptimeMetrics().bindTo(prometheusMeterRegistry);
+ new FileDescriptorMetrics().bindTo(prometheusMeterRegistry);
+ new JettyConnectionMetrics(prometheusMeterRegistry);
+ }
+
+ @Override
+ public String prometheusMetrics(final String acceptHeader) {
+ return prometheusMeterRegistry.scrape(TextFormat.chooseContentType(acceptHeader));
+ }
+
+}