Initial version (#1)

Co-authored-by: Julien Valverdé <julien.valverde@mailo.com>
Reviewed-on: #1

telemetry/grafana-datasources.yaml

@@ -0,0 +1,31 @@
+---
+apiVersion: 1
+
+datasources:
+  - name: Prometheus
+    type: prometheus
+    uid: prometheus
+    access: proxy
+    orgId: 1
+    url: http://prometheus:9090
+    basicAuth: false
+    isDefault: false
+    version: 1
+    editable: false
+    jsonData:
+      httpMethod: GET
+  - name: Tempo
+    type: tempo
+    access: proxy
+    orgId: 1
+    url: http://tempo:3200
+    basicAuth: false
+    isDefault: true
+    version: 1
+    editable: false
+    apiVersion: 1
+    uid: tempo
+    jsonData:
+      httpMethod: GET
+      serviceMap:
+        datasourceUid: prometheus

telemetry/prometheus.yaml

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+---
+global:
+  scrape_interval: 15s
+  evaluation_interval: 15s
+scrape_configs:
+  - job_name: prometheus
+    static_configs:
+      - targets:
+          - localhost:9090
+  - job_name: tempo
+    static_configs:
+      - targets:
+          - tempo:3200

telemetry/tempo.yaml

@@ -0,0 +1,56 @@
+---
+server:
+  http_listen_port: 3200
+
+query_frontend:
+  search:
+    duration_slo: 5s
+    throughput_bytes_slo: 1.073741824e+09
+  trace_by_id:
+    duration_slo: 5s
+
+distributor:
+  receivers: # this configuration will listen on all ports and protocols that tempo is capable of.
+    jaeger: # the receives all come from the OpenTelemetry collector.  more configuration information can
+      protocols: # be found there: https://github.com/open-telemetry/opentelemetry-collector/tree/main/receiver
+        thrift_http: #
+        grpc: # for a production deployment you should only enable the receivers you need!
+        thrift_binary:
+        thrift_compact:
+    zipkin:
+    otlp:
+      protocols:
+        http:
+        grpc:
+    opencensus:
+
+ingester:
+  max_block_duration: 5m # cut the headblock when this much time passes. this is being set for demo purposes and should probably be left alone normally
+
+compactor:
+  compaction:
+    block_retention: 1h # overall Tempo trace retention. set for demo purposes
+
+metrics_generator:
+  registry:
+    external_labels:
+      source: tempo
+      cluster: docker-compose
+  storage:
+    path: /data/generator/wal
+    remote_write:
+      - url: http://prometheus:9090/api/v1/write
+        send_exemplars: true
+
+storage:
+  trace:
+    backend: local # backend configuration to use
+    wal:
+      path: /data/wal # where to store the the wal locally
+    local:
+      path: /data/blocks
+
+overrides:
+  defaults:
+    metrics_generator:
+      processors: [service-graphs, span-metrics] # enables metrics generator