grafana-for-dev/alloy/alloy.conf

discovery.docker "logs_local_docker" {
	host             = "unix:///var/run/docker.sock"
	refresh_interval = "10s"
}

loki.process "logs_local_docker" {
	forward_to = [loki.write.logs_local.receiver]

	stage.drop {
		drop_counter_reason = "reject_old_samples"
		older_than          = "30m0s"
	}

	stage.static_labels {
		values = {
			job = "docker",
		}
	}
}

discovery.relabel "logs_local_docker" {
	targets = []

	rule {
		source_labels = ["__meta_docker_container_name"]
		regex         = "/(.*)"
		target_label  = "container_name"
	}

	rule {
		source_labels = ["__meta_docker_container_id"]
		target_label  = "container_id"
	}

	rule {
		source_labels = ["__meta_docker_container_log_stream"]
		target_label  = "stream"
	}

	rule {
		source_labels = ["__meta_docker_container_label_com_docker_compose_project"]
		target_label  = "compose_project"
	}

	rule {
		source_labels = ["__meta_docker_container_label_org_label_schema_vcs_ref"]
		target_label  = "vcs_ref"
	}

	rule {
		source_labels = ["__meta_docker_container_label_org_label_schema_version"]
		target_label  = "image_version"
	}
}

loki.source.docker "logs_local_docker" {
	host             = "unix:///var/run/docker.sock"
	targets          = discovery.docker.logs_local_docker.targets
	forward_to       = [loki.process.logs_local_docker.receiver]
	relabel_rules    = discovery.relabel.logs_local_docker.rules
	refresh_interval = "10s"
}

loki.write "logs_local" {
	endpoint {
		url = "http://loki:3100/loki/api/v1/push"
	}
	external_labels = {}
}

otelcol.receiver.otlp "default" {
	grpc {
		endpoint         = "0.0.0.0:4317"
		include_metadata = true
	}

	http {
		endpoint         = "0.0.0.0:4318"
		include_metadata = true
	}

	output {
		traces = [otelcol.exporter.otlphttp.tempo_http.input]
	}
}

otelcol.exporter.otlphttp "tempo_http" {
	retry_on_failure {
		max_elapsed_time = "1m0s"
	}

	client {
		endpoint = "http://tempo:4318"
		tls {
			insecure = true
			insecure_skip_verify = true
		}
	}
}