Add nodestate retention and archiving

pkg/archive/parquet/nodestate_schema.go

@@ -0,0 +1,20 @@
+// Copyright (C) NHR@FAU, University Erlangen-Nuremberg.
+// All rights reserved. This file is part of cc-backend.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package parquet
+
+type ParquetNodeStateRow struct {
+	TimeStamp       int64  `parquet:"time_stamp"`
+	NodeState       string `parquet:"node_state"`
+	HealthState     string `parquet:"health_state"`
+	HealthMetrics   string `parquet:"health_metrics,optional"`
+	CpusAllocated   int32  `parquet:"cpus_allocated"`
+	MemoryAllocated int64  `parquet:"memory_allocated"`
+	GpusAllocated   int32  `parquet:"gpus_allocated"`
+	JobsRunning     int32  `parquet:"jobs_running"`
+	Hostname        string `parquet:"hostname"`
+	Cluster         string `parquet:"cluster"`
+	SubCluster      string `parquet:"subcluster"`
+}