HDDS-2221. Monitor datanodes in ozoneperf compose cluster

Author: elek

hadoop-ozone/dist/src/main/compose/ozoneperf/docker-compose.yaml

@@ -56,7 +56,7 @@ services:
    prometheus:
      image: prom/prometheus
      volumes:
-       - "../common/prometheus/prometheus.yml:/etc/prometheus.yml"
+       - "./prometheus.yml:/etc/prometheus.yml"
      command: ["--config.file","/etc/prometheus.yml"]
      ports:
         - 9090:9090

hadoop-ozone/dist/src/main/compose/common/prometheus/prometheus.yml renamed to hadoop-ozone/dist/src/main/compose/ozoneperf/prometheus.yml

@@ -23,3 +23,13 @@ scrape_configs:
      - targets:
         - "scm:9876"
         - "om:9874"
+        - "ozoneperf_datanode_1:9882"
+        - "ozoneperf_datanode_2:9882"
+        - "ozoneperf_datanode_3:9882"
+        - "ozoneperf_datanode_4:9882"
+        - "ozoneperf_datanode_5:9882"
+        - "ozoneperf_datanode_6:9882"
+        - "ozoneperf_datanode_7:9882"
+        - "ozoneperf_datanode_8:9882"
+        - "ozoneperf_datanode_9:9882"
+        - "ozoneperf_datanode_10:9882"