Initial structure and functions (#13789)

* Initial structure and functions

* Finsihed Cluster. Working on MetricsAggregator

* WIP. Nearly fixed ClusterMetrics

* Debugging getMetrics issues

* Renaming and attempting to fix configServer issues

* Added some necessary functions. Finishing ConfigServer

* Finishing renaming and starting getting ready for impl

* Fixed bindings

* Finished pipeline. Added Metrics type

* Implemented necessary methods to make it pass testing, no unit tests yet

* Renamed versioning from metrics

* Extracted reused functions to new helper class

* Changed format and response structure of ProtonMetrics

* Removed list of metrics name

* fixed aggregation for proton metrics

* updated aggregator to use cluster format and more aligned with metric format

* added unit tests and resources

* Added correct return object

* fixed according to review. added second host. not tested

* removes superfluous roles

* Fixed ConfigServer to align with previous impl

* Updated test to use 2 different hosts and clusters

* Added processing to build proper JsonResponse for proton metrics

* changed proton metrics format to be consistent

* Moved response construction to api handler

* Removed unused import. Removed superfluos name

* Updated ConfigServerMock to match new ConfigServer

* developing metrics test

* added working unit test

* updated metrics path to ignore instance

2 files changed, 897 insertions, 0 deletions

diff --git a/configserver/src/test/resources/metrics/node_metrics_1 b/configserver/src/test/resources/metrics/node_metrics_1
new file mode 100644
index 00000000000..4c75f0c4c02
--- /dev/null
+++ b/configserver/src/test/resources/metrics/node_metrics_1
@@ -0,0 +1,441 @@
+{
+  "nodes": [
+    {
+      "hostname": "generic-host-name.test.com",
+      "role": "content/content/0/0",
+      "node": {
+        "timestamp": 1596117620,
+        "metrics": [
+          {
+            "values": {
+              "cpu.util": 269.1793453856039,
+              "cpu.sys.util": 83.3299189868703,
+              "cpu.vcpus": 0.1,
+              "disk.limit": 50000000000,
+              "disk.used": 659972096,
+              "disk.util": 1.319944192,
+              "mem.limit": 8589934592,
+              "mem.used": 1048584192,
+              "mem.util": 12.2071266174316,
+              "mem_total.used": 1572433920,
+              "mem_total.util": 18.3055400848389,
+              "bandwidth.limit": 300000000
+            },
+            "dimensions": {
+              "applicationId": "tenant.name-of-app.user",
+              "host": "generic_host_name",
+              "zone": "dev.generic-1",
+              "clusterId": "content/content"
+            }
+          },
+          {
+            "values": {
+              "net.in.bytes": 24793122,
+              "net.in.errors": 0,
+              "net.in.dropped": 0,
+              "net.out.bytes": 19822788,
+              "net.out.errors": 0,
+              "net.out.dropped": 0
+            },
+            "dimensions": {
+              "applicationId": "tenant.name-of-app.user",
+              "host": "generic_host_name",
+              "zone": "dev.generic-1",
+              "clusterId": "content/content"
+            }
+          }
+        ]
+      },
+      "services": [
+        {
+          "name": "vespa.searchnode",
+          "timestamp": 1596117620,
+          "status": {
+            "code": "up",
+            "description": "Data collected successfully"
+          },
+          "metrics": [
+            {
+              "values": {
+                "memory_virt": 460963840,
+                "memory_rss": 206643200,
+                "cpu": 5.7167235494881
+              },
+              "dimensions": {
+                "zone": "dev.generic-1",
+                "applicationId": "tenant.name-of-app.user",
+                "serviceId": "searchnode",
+                "clusterId": "content/content"
+              }
+            },
+            {
+              "values": {
+                "content.proton.documentdb.matching.rank_profile.query_setup_time.average": 0
+              },
+              "dimensions": {
+                "rankProfile": "unranked",
+                "documenttype": "doc",
+                "zone": "dev.generic-1",
+                "applicationId": "tenant.name-of-app.user",
+                "serviceId": "searchnode",
+                "clusterId": "content/content"
+              }
+            },
+            {
+              "values": {
+                "content.proton.documentdb.matching.rank_profile.rerank_time.average": 0,
+                "content.proton.documentdb.matching.rank_profile.query_latency.average": 0
+              },
+              "dimensions": {
+                "rankProfile": "default",
+                "documenttype": "doc",
+                "zone": "dev.generic-1",
+                "applicationId": "tenant.name-of-app.user",
+                "serviceId": "searchnode",
+                "clusterId": "content/content"
+              }
+            },
+            {
+              "values": {
+                "content.proton.documentdb.matching.docs_reranked.rate": 0,
+                "content.proton.documentdb.memory_usage.allocated_bytes.last": 8167610,
+                "content.proton.transactionlog.disk_usage.last": 31315422
+              },
+              "dimensions": {
+                "documenttype": "doc",
+                "zone": "dev.generic-1",
+                "applicationId": "tenant.name-of-app.user",
+                "serviceId": "searchnode",
+                "clusterId": "content/content"
+              }
+            },
+            {
+              "values": {
+                "content.proton.search_protocol.query.latency.average": 0,
+                "content.proton.search_protocol.docsum.latency.average": 0,
+                "content.proton.search_protocol.docsum.requested_documents.rate": 0
+              },
+              "dimensions": {
+                "zone": "dev.generic-1",
+                "applicationId": "tenant.name-of-app.user",
+                "serviceId": "searchnode",
+                "clusterId": "content/content"
+              }
+            },
+            {
+              "values": {
+                "content.proton.documentdb.matching.docs_matched.rate": 0,
+                "content.proton.documentdb.documents.active.last": 1275,
+                "content.proton.documentdb.documents.ready.last": 1275,
+                "content.proton.documentdb.documents.total.last": 1275,
+                "content.proton.documentdb.disk_usage.last": 14781856
+              },
+              "dimensions": {
+                "documenttype": "doc",
+                "zone": "dev.generic-1",
+                "applicationId": "tenant.name-of-app.user",
+                "serviceId": "searchnode",
+                "clusterId": "content/content"
+              }
+            },
+            {
+              "values": {
+                "content.proton.resource_usage.disk.average": 0.0009083386306,
+                "content.proton.resource_usage.memory.average": 0.0183488434436,
+                "content.proton.resource_usage.feeding_blocked.last": 0
+              },
+              "dimensions": {
+                "zone": "dev.generic-1",
+                "applicationId": "tenant.name-of-app.user",
+                "serviceId": "searchnode",
+                "clusterId": "content/content"
+              }
+            },
+            {
+              "values": {
+                "content.proton.documentdb.matching.rank_profile.query_setup_time.average": 0
+              },
+              "dimensions": {
+                "rankProfile": "default",
+                "documenttype": "doc",
+                "zone": "dev.generic-1",
+                "applicationId": "tenant.name-of-app.user",
+                "serviceId": "searchnode",
+                "clusterId": "content/content"
+              }
+            },
+            {
+              "values": {
+                "content.proton.documentdb.matching.rank_profile.rerank_time.average": 0,
+                "content.proton.documentdb.matching.rank_profile.query_latency.average": 0
+              },
+              "dimensions": {
+                "rankProfile": "unranked",
+                "documenttype": "doc",
+                "zone": "dev.generic-1",
+                "applicationId": "tenant.name-of-app.user",
+                "serviceId": "searchnode",
+                "clusterId": "content/content"
+              }
+            }
+          ]
+        },
+        {
+          "name": "vespa.distributor",
+          "timestamp": 1596117620,
+          "status": {
+            "code": "up",
+            "description": "Data collected successfully"
+          },
+          "metrics": [
+            {
+              "values": {
+                "memory_virt": 323432448,
+                "memory_rss": 110497792,
+                "cpu": 6.6040955631399
+              },
+              "dimensions": {
+                "zone": "dev.generic-1",
+                "applicationId": "tenant.name-of-app.user",
+                "serviceId": "distributor",
+                "clusterId": "content/content"
+              }
+            }
+          ]
+        },
+        {
+          "name": "vespa.container-clustercontroller",
+          "timestamp": 1596117620,
+          "status": {
+            "code": "up",
+            "description": "Data collected successfully"
+          },
+          "metrics": [
+            {
+              "values": {
+                "memory_virt": 1375522816,
+                "memory_rss": 327823360,
+                "cpu": 1.3139931740614
+              },
+              "dimensions": {
+                "zone": "dev.generic-1",
+                "applicationId": "tenant.name-of-app.user",
+                "serviceId": "container-clustercontroller",
+                "clusterId": "content/content"
+              }
+            },
+            {
+              "values": {
+                "jdisc.gc.ms.average": 1.6666666666667
+              },
+              "dimensions": {
+                "gcName": "G1YoungGeneration",
+                "zone": "dev.generic-1",
+                "applicationId": "tenant.name-of-app.user",
+                "serviceId": "container-clustercontroller",
+                "clusterId": "content/content"
+              }
+            },
+            {
+              "values": {
+                "jdisc.gc.ms.average": 0
+              },
+              "dimensions": {
+                "gcName": "G1OldGeneration",
+                "zone": "dev.generic-1",
+                "applicationId": "tenant.name-of-app.user",
+                "serviceId": "container-clustercontroller",
+                "clusterId": "content/content"
+              }
+            },
+            {
+              "values": {
+                "serverActiveThreads.average": 0
+              },
+              "dimensions": {
+                "zone": "dev.generic-1",
+                "applicationId": "tenant.name-of-app.user",
+                "serviceId": "container-clustercontroller",
+                "clusterId": "content/content"
+              }
+            },
+            {
+              "values": {
+                "http.status.2xx.rate": 0.0666666666667
+              },
+              "dimensions": {
+                "httpMethod": "GET",
+                "zone": "dev.generic-1",
+                "applicationId": "tenant.name-of-app.user",
+                "serviceId": "container-clustercontroller",
+                "clusterId": "content/content"
+              }
+            },
+            {
+              "values": {
+                "http.status.2xx.rate": 0
+              },
+              "dimensions": {
+                "httpMethod": "POST",
+                "zone": "dev.generic-1",
+                "applicationId": "tenant.name-of-app.user",
+                "serviceId": "container-clustercontroller",
+                "clusterId": "content/content"
+              }
+            },
+            {
+              "values": {
+                "mem.heap.free.average": 15434608
+              },
+              "dimensions": {
+                "zone": "dev.generic-1",
+                "applicationId": "tenant.name-of-app.user",
+                "serviceId": "container-clustercontroller",
+                "clusterId": "content/content"
+              }
+            }
+          ]
+        },
+        {
+          "name": "vespa.metricsproxy-container",
+          "timestamp": 1596117620,
+          "status": {
+            "code": "up",
+            "description": "Data collected successfully"
+          },
+          "metrics": [
+            {
+              "values": {
+                "memory_virt": 1364717568,
+                "memory_rss": 379650048,
+                "cpu": 1.3993174061433
+              },
+              "dimensions": {
+                "zone": "dev.generic-1",
+                "applicationId": "tenant.name-of-app.user",
+                "serviceId": "metricsproxy-container",
+                "clusterId": "content/content"
+              }
+            },
+            {
+              "values": {
+                "jdisc.gc.ms.average": 0
+              },
+              "dimensions": {
+                "gcName": "G1OldGeneration",
+                "zone": "dev.generic-1",
+                "applicationId": "tenant.name-of-app.user",
+                "serviceId": "metricsproxy-container",
+                "clusterId": "content/content"
+              }
+            },
+            {
+              "values": {
+                "mem.heap.free.average": 38444168
+              },
+              "dimensions": {
+                "zone": "dev.generic-1",
+                "applicationId": "tenant.name-of-app.user",
+                "serviceId": "metricsproxy-container",
+                "clusterId": "content/content"
+              }
+            },
+            {
+              "values": {
+                "http.status.2xx.rate": 0.0666666666667
+              },
+              "dimensions": {
+                "httpMethod": "GET",
+                "zone": "dev.generic-1",
+                "applicationId": "tenant.name-of-app.user",
+                "serviceId": "metricsproxy-container",
+                "clusterId": "content/content"
+              }
+            },
+            {
+              "values": {
+                "serverActiveThreads.average": 0.05
+              },
+              "dimensions": {
+                "zone": "dev.generic-1",
+                "applicationId": "tenant.name-of-app.user",
+                "serviceId": "metricsproxy-container",
+                "clusterId": "content/content"
+              }
+            },
+            {
+              "values": {
+                "jdisc.gc.ms.average": 4.6666666666667
+              },
+              "dimensions": {
+                "gcName": "G1YoungGeneration",
+                "zone": "dev.generic-1",
+                "applicationId": "tenant.name-of-app.user",
+                "serviceId": "metricsproxy-container",
+                "clusterId": "content/content"
+              }
+            },
+            {
+              "values": {
+                "http.status.2xx.rate": 0.0333333333333
+              },
+              "dimensions": {
+                "httpMethod": "GET",
+                "zone": "dev.generic-1",
+                "applicationId": "tenant.name-of-app.user",
+                "serviceId": "metricsproxy-container",
+                "clusterId": "content/content"
+              }
+            }
+          ]
+        },
+        {
+          "name": "vespa.config-sentinel",
+          "timestamp": 1596117620,
+          "status": {
+            "code": "up",
+            "description": "Data collected successfully"
+          },
+          "metrics": [
+            {
+              "values": {
+                "memory_virt": 0,
+                "memory_rss": 0,
+                "cpu": 0
+              },
+              "dimensions": {
+                "zone": "dev.generic-1",
+                "applicationId": "tenant.name-of-app.user",
+                "serviceId": "config-sentinel",
+                "clusterId": "content/content"
+              }
+            }
+          ]
+        },
+        {
+          "name": "vespa.logd",
+          "timestamp": 1596117620,
+          "status": {
+            "code": "up",
+            "description": "Data collected successfully"
+          },
+          "metrics": [
+            {
+              "values": {
+                "memory_virt": 120094720,
+                "memory_rss": 13119488,
+                "cpu": 0.3242320819113
+              },
+              "dimensions": {
+                "zone": "dev.generic-1",
+                "applicationId": "tenant.name-of-app.user",
+                "serviceId": "logd",
+                "clusterId": "content/content"
+              }
+            }
+          ]
+        }
+      ]
+    }
+  ]
+}
\ No newline at end of file
diff --git a/configserver/src/test/resources/metrics/node_metrics_2 b/configserver/src/test/resources/metrics/node_metrics_2
new file mode 100644
index 00000000000..d916cec54fd
--- /dev/null
+++ b/configserver/src/test/resources/metrics/node_metrics_2
@@ -0,0 +1,456 @@
+{
+  "nodes": [
+    {
+      "hostname": "generic-hostname2.vespa.com",
+      "role": "content/music/0/0",
+      "node": {
+        "timestamp": 1596209314,
+        "metrics": [
+          {
+            "values": {
+              "cpu.util": 6.2395760990999,
+              "cpu.sys.util": 1.6980606847917,
+              "cpu.vcpus": 2,
+              "disk.limit": 50000000000,
+              "disk.used": 431521792,
+              "disk.util": 0.863043584,
+              "mem.limit": 7890911232,
+              "mem.used": 1030008832,
+              "mem.util": 13.0531037761901,
+              "mem_total.used": 1098739712,
+              "mem_total.util": 13.9241169960737,
+              "bandwidth.limit": 300000000
+            },
+            "dimensions": {
+              "applicationId": "generic-tenant.generic-app.generic-deploy",
+              "host": "generic-host.vespa.com",
+              "zone": "generic.dev-generic-2",
+              "clusterId": "content/music"
+            }
+          },
+          {
+            "values": {
+              "net.in.bytes": 9170973,
+              "net.in.errors": 0,
+              "net.in.dropped": 0,
+              "net.out.bytes": 5858380,
+              "net.out.errors": 0,
+              "net.out.dropped": 0
+            },
+            "dimensions": {
+              "applicationId": "generic-tenant.generic-app.generic-deploy",
+              "host": "generic-host.vespa.com",
+              "zone": "generic.dev-generic-2",
+              "clusterId": "content/music"
+            }
+          }
+        ]
+      },
+      "services": [
+        {
+          "name": "vespa.searchnode",
+          "timestamp": 1596209314,
+          "status": {
+            "code": "up",
+            "description": "Data collected successfully"
+          },
+          "metrics": [
+            {
+              "values": {
+                "memory_virt": 399941632,
+                "memory_rss": 151085056,
+                "cpu": 3.8755736868944
+              },
+              "dimensions": {
+                "zone": "generic.dev-generic-2",
+                "applicationId": "generic-tenant.generic-app.generic-deploy",
+                "serviceId": "searchnode",
+                "clusterId": "content/music"
+              }
+            },
+            {
+              "values": {
+                "content.proton.documentdb.matching.docs_reranked.rate": 0,
+                "content.proton.documentdb.memory_usage.allocated_bytes.last": 8372852,
+                "content.proton.transactionlog.disk_usage.last": 1128681
+              },
+              "dimensions": {
+                "documenttype": "music",
+                "zone": "generic.dev-generic-2",
+                "applicationId": "generic-tenant.generic-app.generic-deploy",
+                "serviceId": "searchnode",
+                "clusterId": "content/music"
+              }
+            },
+            {
+              "values": {
+                "content.proton.documentdb.matching.rank_profile.rerank_time.average": 0,
+                "content.proton.documentdb.matching.rank_profile.query_latency.average": 0
+              },
+              "dimensions": {
+                "rankProfile": "unranked",
+                "documenttype": "music",
+                "zone": "generic.dev-generic-2",
+                "applicationId": "generic-tenant.generic-app.generic-deploy",
+                "serviceId": "searchnode",
+                "clusterId": "content/music"
+              }
+            },
+            {
+              "values": {
+                "content.proton.documentdb.matching.rank_profile.query_setup_time.average": 0
+              },
+              "dimensions": {
+                "rankProfile": "unranked",
+                "documenttype": "music",
+                "zone": "generic.dev-generic-2",
+                "applicationId": "generic-tenant.generic-app.generic-deploy",
+                "serviceId": "searchnode",
+                "clusterId": "content/music"
+              }
+            },
+            {
+              "values": {
+                "content.proton.documentdb.matching.rank_profile.rerank_time.average": 0,
+                "content.proton.documentdb.matching.rank_profile.query_latency.average": 0
+              },
+              "dimensions": {
+                "rankProfile": "default",
+                "documenttype": "music",
+                "zone": "generic.dev-generic-2",
+                "applicationId": "generic-tenant.generic-app.generic-deploy",
+                "serviceId": "searchnode",
+                "clusterId": "content/music"
+              }
+            },
+            {
+              "values": {
+                "content.proton.documentdb.matching.rank_profile.query_setup_time.average": 0
+              },
+              "dimensions": {
+                "rankProfile": "default",
+                "documenttype": "music",
+                "zone": "generic.dev-generic-2",
+                "applicationId": "generic-tenant.generic-app.generic-deploy",
+                "serviceId": "searchnode",
+                "clusterId": "content/music"
+              }
+            },
+            {
+              "values": {
+                "content.proton.documentdb.matching.rank_profile.query_setup_time.average": 0
+              },
+              "dimensions": {
+                "rankProfile": "rank_albums",
+                "documenttype": "music",
+                "zone": "generic.dev-generic-2",
+                "applicationId": "generic-tenant.generic-app.generic-deploy",
+                "serviceId": "searchnode",
+                "clusterId": "content/music"
+              }
+            },
+            {
+              "values": {
+                "content.proton.documentdb.matching.rank_profile.rerank_time.average": 0,
+                "content.proton.documentdb.matching.rank_profile.query_latency.average": 0
+              },
+              "dimensions": {
+                "rankProfile": "rank_albums",
+                "documenttype": "music",
+                "zone": "generic.dev-generic-2",
+                "applicationId": "generic-tenant.generic-app.generic-deploy",
+                "serviceId": "searchnode",
+                "clusterId": "content/music"
+              }
+            },
+            {
+              "values": {
+                "content.proton.documentdb.matching.docs_matched.rate": 0,
+                "content.proton.documentdb.documents.active.last": 3008,
+                "content.proton.documentdb.documents.ready.last": 3008,
+                "content.proton.documentdb.documents.total.last": 3008,
+                "content.proton.documentdb.disk_usage.last": 331157
+              },
+              "dimensions": {
+                "documenttype": "music",
+                "zone": "generic.dev-generic-2",
+                "applicationId": "generic-tenant.generic-app.generic-deploy",
+                "serviceId": "searchnode",
+                "clusterId": "content/music"
+              }
+            },
+            {
+              "values": {
+                "content.proton.resource_usage.disk.average": 0.0000152263558,
+                "content.proton.resource_usage.memory.average": 0.0156505524171,
+                "content.proton.resource_usage.feeding_blocked.last": 0
+              },
+              "dimensions": {
+                "zone": "generic.dev-generic-2",
+                "applicationId": "generic-tenant.generic-app.generic-deploy",
+                "serviceId": "searchnode",
+                "clusterId": "content/music"
+              }
+            },
+            {
+              "values": {
+                "content.proton.search_protocol.query.latency.average": 0,
+                "content.proton.search_protocol.docsum.latency.average": 0,
+                "content.proton.search_protocol.docsum.requested_documents.rate": 0
+              },
+              "dimensions": {
+                "zone": "generic.dev-generic-2",
+                "applicationId": "generic-tenant.generic-app.generic-deploy",
+                "serviceId": "searchnode",
+                "clusterId": "content/music"
+              }
+            }
+          ]
+        },
+        {
+          "name": "vespa.distributor",
+          "timestamp": 1596209314,
+          "status": {
+            "code": "up",
+            "description": "Data collected successfully"
+          },
+          "metrics": [
+            {
+              "values": {
+                "memory_virt": 323338240,
+                "memory_rss": 110653440,
+                "cpu": 3.9945605983342
+              },
+              "dimensions": {
+                "zone": "generic.dev-generic-2",
+                "applicationId": "generic-tenant.generic-app.generic-deploy",
+                "serviceId": "distributor",
+                "clusterId": "content/music"
+              }
+            }
+          ]
+        },
+        {
+          "name": "vespa.container-clustercontroller",
+          "timestamp": 1596209314,
+          "status": {
+            "code": "up",
+            "description": "Data collected successfully"
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+            },
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+              },
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+              }
+            },
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+              }
+            },
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+                "serviceId": "container-clustercontroller",
+                "clusterId": "content/music"
+              }
+            }
+          ]
+        },
+        {
+          "name": "vespa.metricsproxy-container",
+          "timestamp": 1596209314,
+          "status": {
+            "code": "up",
+            "description": "Data collected successfully"
+          },
+          "metrics": [
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+              }
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+            },
+            {
+              "values": {
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+              }
+            },
+            {
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+                "serviceId": "metricsproxy-container",
+                "clusterId": "content/music"
+              }
+            }
+          ]
+        },
+        {
+          "name": "vespa.config-sentinel",
+          "timestamp": 1596209314,
+          "status": {
+            "code": "up",
+            "description": "Data collected successfully"
+          },
+          "metrics": [
+            {
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+                "memory_rss": 0,
+                "cpu": 0
+              },
+              "dimensions": {
+                "zone": "generic.dev-generic-2",
+                "applicationId": "generic-tenant.generic-app.generic-deploy",
+                "serviceId": "config-sentinel",
+                "clusterId": "content/music"
+              }
+            }
+          ]
+        },
+        {
+          "name": "vespa.logd",
+          "timestamp": 1596209314,
+          "status": {
+            "code": "up",
+            "description": "Data collected successfully"
+          },
+          "metrics": [
+            {
+              "values": {
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+                "serviceId": "logd",
+                "clusterId": "content/music"
+              }
+            }
+          ]
+        }
+      ]
+    }
+  ]
+}
\ No newline at end of file