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refactor: simplificar configuración de Alloy para métricas y logs

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Limpieza de la configuración de Alloy eliminando componentes no utilizados:

Métricas (Prometheus):
- Mantiene scraping de: Alloy, Prometheus, Grafana, Loki, app_metrics
- Comentados: Tempo, Node Exporter, cAdvisor
- Receptor HTTP para métricas externas (puerto 9999)
- Remote write a Prometheus

Logs (Loki):
- Descubrimiento y recolección de logs de contenedores Docker
- Receptor HTTP para logs externos (puerto 3101)
- Receptor Syslog (puerto 1514)
- Envío a Loki

Trazas:
- Sección completa de Tempo comentada (OTLP, Jaeger, Zipkin)

La configuración resultante está enfocada exclusivamente en métricas y logs, reduciendo la superficie de ataque y simplificando el troubleshooting.
This commit is contained in:
Egutierrez
2026-03-23 20:01:06 +01:00
parent 65673636c4
commit 8509a1a4e8
1 changed files with 78 additions and 78 deletions
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config/alloy/alloy.river
+78 -78
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@@ -42,32 +42,32 @@ prometheus.scrape "loki" {
job_name = "loki" job_name = "loki"
} }
// Scraping de Tempo // // Scraping de Tempo
prometheus.scrape "tempo" { // prometheus.scrape "tempo" {
targets = [{"__address__" = "tempo:3200"}] // targets = [{"__address__" = "tempo:3200"}]
forward_to = [prometheus.remote_write.prometheus.receiver] // forward_to = [prometheus.remote_write.prometheus.receiver]
scrape_interval = "15s" // scrape_interval = "15s"
metrics_path = "/metrics" // metrics_path = "/metrics"
job_name = "tempo" // job_name = "tempo"
} // }
// Scraping de Node Exporter (métricas del host Docker) // // Scraping de Node Exporter (métricas del host Docker)
prometheus.scrape "node_exporter" { // prometheus.scrape "node_exporter" {
targets = [{"__address__" = "node-exporter:9100"}] // targets = [{"__address__" = "node-exporter:9100"}]
forward_to = [prometheus.remote_write.prometheus.receiver] // forward_to = [prometheus.remote_write.prometheus.receiver]
scrape_interval = "15s" // scrape_interval = "15s"
metrics_path = "/metrics" // metrics_path = "/metrics"
job_name = "node_exporter" // job_name = "node_exporter"
} // }
// Scraping de cAdvisor (métricas detalladas de Docker/containers) // // Scraping de cAdvisor (métricas detalladas de Docker/containers)
prometheus.scrape "cadvisor" { // prometheus.scrape "cadvisor" {
targets = [{"__address__" = "cadvisor:8080"}] // targets = [{"__address__" = "cadvisor:8080"}]
forward_to = [prometheus.remote_write.prometheus.receiver] // forward_to = [prometheus.remote_write.prometheus.receiver]
scrape_interval = "15s" // scrape_interval = "15s"
metrics_path = "/metrics" // metrics_path = "/metrics"
job_name = "cadvisor" // job_name = "cadvisor"
} // }
// Scraping fijo para métricas expuestas desde el host (scripts Python) // Scraping fijo para métricas expuestas desde el host (scripts Python)
// Corre por defecto en host.docker.internal:9102 para PrometheusMetric // Corre por defecto en host.docker.internal:9102 para PrometheusMetric
@@ -168,66 +168,66 @@ loki.write "loki" {
} }
//============================================================================= //=============================================================================
// TEMPO - TRAZAS // TEMPO - TRAZAS (COMENTADO - NO SE USA)
//============================================================================= //=============================================================================
// Receptor OTLP // // Receptor OTLP
otelcol.receiver.otlp "tempo" { // otelcol.receiver.otlp "tempo" {
grpc { // grpc {
endpoint = "0.0.0.0:4317" // endpoint = "0.0.0.0:4317"
} // }
http { // http {
endpoint = "0.0.0.0:4318" // endpoint = "0.0.0.0:4318"
} // }
output { // output {
traces = [otelcol.processor.batch.tempo.input] // traces = [otelcol.processor.batch.tempo.input]
} // }
} // }
// Receptor Jaeger // // Receptor Jaeger
otelcol.receiver.jaeger "jaeger_traces" { // otelcol.receiver.jaeger "jaeger_traces" {
protocols { // protocols {
grpc { // grpc {
endpoint = "0.0.0.0:14250" // endpoint = "0.0.0.0:14250"
} // }
thrift_http { // thrift_http {
endpoint = "0.0.0.0:14268" // endpoint = "0.0.0.0:14268"
} // }
thrift_compact { // thrift_compact {
endpoint = "0.0.0.0:6831" // endpoint = "0.0.0.0:6831"
} // }
} // }
output { // output {
traces = [otelcol.processor.batch.tempo.input] // traces = [otelcol.processor.batch.tempo.input]
} // }
} // }
// Receptor Zipkin // // Receptor Zipkin
otelcol.receiver.zipkin "zipkin_traces" { // otelcol.receiver.zipkin "zipkin_traces" {
endpoint = "0.0.0.0:9411" // endpoint = "0.0.0.0:9411"
output { // output {
traces = [otelcol.processor.batch.tempo.input] // traces = [otelcol.processor.batch.tempo.input]
} // }
} // }
// Procesador batch // // Procesador batch
otelcol.processor.batch "tempo" { // otelcol.processor.batch "tempo" {
send_batch_size = 1024 // send_batch_size = 1024
timeout = "1s" // timeout = "1s"
output { // output {
traces = [otelcol.exporter.otlp.tempo.input] // traces = [otelcol.exporter.otlp.tempo.input]
} // }
} // }
// Exportador a Tempo // // Exportador a Tempo
otelcol.exporter.otlp "tempo" { // otelcol.exporter.otlp "tempo" {
client { // client {
endpoint = "http://tempo:4317" // endpoint = "http://tempo:4317"
tls { // tls {
insecure = true // insecure = true
} // }
} // }
} // }
//============================================================================= //=============================================================================
// CONFIGURACIÓN GENERAL // CONFIGURACIÓN GENERAL