config.alloy

logging {
  level  = "info"
  format = "logfmt"
}

otelcol.auth.basic "default_otlp" {
  username = env("GRAFANA_OTLP_USER")
  password = env("GRAFANA_OTLP_PASSWORD")
}

otelcol.receiver.otlp "default" {
  grpc { endpoint = "0.0.0.0:4317" }
  http { endpoint = "0.0.0.0:4318" }
  output {
    metrics = [otelcol.processor.batch.default.input]
    logs    = [otelcol.processor.batch.default.input]
    traces  = [otelcol.processor.batch.default.input]
  }
}

otelcol.processor.batch "default" {
  output {
    metrics = [otelcol.exporter.otlphttp.default.input]
    logs    = [otelcol.exporter.otlphttp.default.input]
    traces  = [otelcol.exporter.otlphttp.default.input]
  }
}

otelcol.exporter.otlphttp "default" {
  client {
    endpoint           = env("GRAFANA_OTLP_ENDPOINT")
    http2_ping_timeout = "0s"
    auth               = otelcol.auth.basic.default_otlp.handler
  }
}

prometheus.remote_write "grafanacloud" {
  endpoint {
    url = env("GRAFANA_PROM_ENDPOINT")
    basic_auth {
      username = env("GRAFANA_PROM_USER")
      password = env("GRAFANA_PROM_PASS")
    }
  }
}

prometheus.remote_write "local" {
   endpoint { url = "http://prometheus:9090/api/v1/write" }
}

prometheus.scrape "default_scraper" {
  targets = [
    { __address__ = "node-exporter:9100",        job = "node-exporter"},
    { __address__ = "prometheus:9090",           job = "prometheus"},
    { __address__ = "host.docker.internal:8083", job = "grex-t0"},
  ]
  forward_to = [
    prometheus.remote_write.grafanacloud.receiver, 
    prometheus.remote_write.local.receiver,
  ]
  scrape_interval = "30s"
  scrape_timeout = "30s"
}