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			85 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			85 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
| // Copyright (C) NHR@FAU, University Erlangen-Nuremberg.
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| // All rights reserved. This file is part of cc-backend.
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| // Use of this source code is governed by a MIT-style
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| // license that can be found in the LICENSE file.
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| 
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| package memorystore
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| 
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| import (
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| 	"context"
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| 	"slices"
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| 	"strconv"
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| 	"sync"
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| 
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| 	cclog "github.com/ClusterCockpit/cc-lib/ccLogger"
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| )
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| 
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| func DataStaging(wg *sync.WaitGroup, ctx context.Context) {
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| 	// AvroPool is a pool of Avro writers.
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| 	go func() {
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| 		if Keys.Checkpoints.FileFormat == "json" {
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| 			wg.Done() // Mark this goroutine as done
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| 			return    // Exit the goroutine
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| 		}
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| 
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| 		defer wg.Done()
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| 
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| 		var avroLevel *AvroLevel
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| 		oldSelector := make([]string, 0)
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| 
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| 		for {
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| 			select {
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| 			case <-ctx.Done():
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| 				return
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| 			case val := <-LineProtocolMessages:
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| 				// Fetch the frequency of the metric from the global configuration
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| 				freq, err := GetMetricFrequency(val.MetricName)
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| 				if err != nil {
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| 					cclog.Errorf("Error fetching metric frequency: %s\n", err)
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| 					continue
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| 				}
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| 
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| 				metricName := ""
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| 
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| 				for _, selectorName := range val.Selector {
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| 					metricName += selectorName + Delimiter
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| 				}
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| 
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| 				metricName += val.MetricName
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| 
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| 				// Create a new selector for the Avro level
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| 				// The selector is a slice of strings that represents the path to the
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| 				// Avro level. It is created by appending the cluster, node, and metric
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| 				// name to the selector.
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| 				var selector []string
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| 				selector = append(selector, val.Cluster, val.Node, strconv.FormatInt(freq, 10))
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| 
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| 				if !testEq(oldSelector, selector) {
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| 					// Get the Avro level for the metric
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| 					avroLevel = avroStore.root.findAvroLevelOrCreate(selector)
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| 
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| 					// If the Avro level is nil, create a new one
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| 					if avroLevel == nil {
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| 						cclog.Errorf("Error creating or finding the level with cluster : %s, node : %s, metric : %s\n", val.Cluster, val.Node, val.MetricName)
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| 					}
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| 					oldSelector = slices.Clone(selector)
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| 				}
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| 
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| 				avroLevel.addMetric(metricName, val.Value, val.Timestamp, int(freq))
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| 			}
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| 		}
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| 	}()
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| }
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| 
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| func testEq(a, b []string) bool {
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| 	if len(a) != len(b) {
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| 		return false
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| 	}
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| 	for i := range a {
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| 		if a[i] != b[i] {
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| 			return false
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| 		}
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| 	}
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| 	return true
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| }
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