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prometheus: add node_id label to cache metrics

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This commit is contained in:
ionutboangiu
2025-07-18 22:36:55 +03:00
committed by Dan Christian Bogos
parent bdd854d363
commit 8466a65d63
6 changed files with 48 additions and 18 deletions
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17
agents/prometheus.go
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@@ -27,7 +27,6 @@ import (
"github.com/cgrates/cgrates/cores"
"github.com/cgrates/cgrates/engine"
"github.com/cgrates/cgrates/utils"
"github.com/cgrates/ltcache"
"github.com/prometheus/client_golang/prometheus"
"github.com/prometheus/client_golang/prometheus/collectors"
"github.com/prometheus/client_golang/prometheus/promhttp"
@@ -165,7 +164,7 @@ func NewPrometheusAgent(cfg *config.CGRConfig, cm *engine.ConnManager) *Promethe
Subsystem: "cache",
Name: "groups_total",
Help: "Total number of cache groups",
}, []string{"cache"})
}, []string{"cache", "node_id"})
reg.MustRegister(cacheGroupsMetric)
cacheItemsMetric := prometheus.NewGaugeVec(
@@ -174,7 +173,7 @@ func NewPrometheusAgent(cfg *config.CGRConfig, cm *engine.ConnManager) *Promethe
Subsystem: "cache",
Name: "items_total",
Help: "Total number of cache items",
}, []string{"cache"})
}, []string{"cache", "node_id"})
reg.MustRegister(cacheItemsMetric)
statMetrics := prometheus.NewGaugeVec(
prometheus.GaugeOpts{
@@ -255,24 +254,26 @@ func (pa *PrometheusAgent) updateCacheStats() {
return
}
for _, connID := range pa.cfg.PrometheusAgentCfg().CacheSConns {
var cacheStats map[string]*ltcache.CacheStats
var reply engine.CacheStatsWithMetadata
if err := pa.cm.Call(context.Background(), []string{connID},
utils.CacheSv1GetCacheStats,
utils.CacheSv1GetStats,
&utils.AttrCacheIDsWithAPIOpts{
CacheIDs: pa.cfg.PrometheusAgentCfg().CacheIDs,
}, &cacheStats); err != nil {
}, &reply); err != nil {
utils.Logger.Err(fmt.Sprintf(
"<%s> failed to retrieve cache stats (connID=%q): %v",
utils.PrometheusAgent, connID, err))
continue
}
cacheStats := reply.CacheStatistics
nodeID := utils.IfaceAsString(reply.Metadata[utils.NodeID])
for cacheID, stats := range cacheStats {
if stats == nil {
continue
}
pa.cacheGroupsMetric.WithLabelValues(cacheID).Set(float64(stats.Groups))
pa.cacheItemsMetric.WithLabelValues(cacheID).Set(float64(stats.Items))
pa.cacheGroupsMetric.WithLabelValues(cacheID, nodeID).Set(float64(stats.Groups))
pa.cacheItemsMetric.WithLabelValues(cacheID, nodeID).Set(float64(stats.Items))
}
}
}