feat: add lab SQLite migrate, LiteLLM env, and OTEL/Grafana stack
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Enable local workshop readiness with executable SQLite migrations, OpenTelemetry hello signals, and a provisioned Grafana demo dashboard over Tempo/Loki/Prometheus. Co-authored-by: Cursor <cursoragent@cursor.com>
This commit is contained in:
Cursor
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apiVersion: 1
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providers:
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- name: ticketlab
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orgId: 1
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folder: TicketLab
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type: file
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disableDeletion: false
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updateIntervalSeconds: 10
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allowUiUpdates: true
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options:
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path: /etc/grafana/provisioning/dashboards/json
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@@ -0,0 +1,155 @@
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{
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"annotations": { "list": [] },
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"editable": true,
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"fiscalYearStartMonth": 0,
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"graphTooltip": 1,
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"id": null,
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"links": [],
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"panels": [
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{
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"type": "row",
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"title": "Metrics",
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"gridPos": { "h": 1, "w": 24, "x": 0, "y": 0 },
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"id": 10,
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"collapsed": false
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},
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{
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"id": 1,
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"title": "Hello runs (total)",
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"type": "stat",
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"gridPos": { "h": 6, "w": 6, "x": 0, "y": 1 },
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"datasource": { "type": "prometheus", "uid": "prometheus" },
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"targets": [
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{
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"refId": "A",
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"expr": "otelcol_ticketlab_hello_runs_total{exported_job=\"ticketlab\"}",
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"legendFormat": "runs"
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}
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],
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"options": {
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"reduceOptions": { "calcs": ["lastNotNull"], "fields": "", "values": false },
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"colorMode": "value",
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"graphMode": "area",
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"justifyMode": "auto",
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"orientation": "auto",
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"textMode": "auto"
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},
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"fieldConfig": {
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"defaults": {
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"color": { "mode": "thresholds" },
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"thresholds": {
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"mode": "absolute",
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"steps": [
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{ "color": "blue", "value": null },
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{ "color": "green", "value": 1 }
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]
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},
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"unit": "short"
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},
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"overrides": []
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}
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},
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{
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"id": 2,
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"title": "Hello runs over time",
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"type": "timeseries",
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"gridPos": { "h": 6, "w": 18, "x": 6, "y": 1 },
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"datasource": { "type": "prometheus", "uid": "prometheus" },
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"targets": [
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{
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"refId": "A",
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"expr": "otelcol_ticketlab_hello_runs_total{exported_job=\"ticketlab\"}",
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"legendFormat": "{{component}}"
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}
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],
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"fieldConfig": {
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"defaults": {
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"color": { "mode": "palette-classic" },
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"custom": {
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"drawStyle": "line",
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"lineInterpolation": "smooth",
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"fillOpacity": 15,
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"showPoints": "auto",
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"spanNulls": true
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},
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"unit": "short"
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},
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"overrides": []
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},
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"options": {
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"legend": { "displayMode": "list", "placement": "bottom", "showLegend": true },
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"tooltip": { "mode": "single", "sort": "none" }
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}
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},
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{
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"type": "row",
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"title": "Logs",
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"gridPos": { "h": 1, "w": 24, "x": 0, "y": 7 },
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"id": 11,
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"collapsed": false
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},
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{
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"id": 3,
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"title": "TicketLab logs (Loki)",
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"type": "logs",
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"gridPos": { "h": 10, "w": 24, "x": 0, "y": 8 },
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"datasource": { "type": "loki", "uid": "loki" },
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"targets": [
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{
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"refId": "A",
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"expr": "{service_name=\"ticketlab\"}",
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"queryType": "range"
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}
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],
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"options": {
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"showTime": true,
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"showLabels": true,
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"showCommonLabels": false,
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"wrapLogMessage": true,
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"prettifyLogMessage": true,
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"enableLogDetails": true,
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"dedupStrategy": "none",
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"sortOrder": "Descending"
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}
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},
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{
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"type": "row",
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"title": "Tracing",
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"gridPos": { "h": 1, "w": 24, "x": 0, "y": 18 },
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"id": 12,
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"collapsed": false
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},
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{
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"id": 4,
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"title": "Recent traces (Tempo)",
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"type": "table",
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"gridPos": { "h": 10, "w": 24, "x": 0, "y": 19 },
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"datasource": { "type": "tempo", "uid": "tempo" },
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"targets": [
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{
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"refId": "A",
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"datasource": { "type": "tempo", "uid": "tempo" },
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"queryType": "traceql",
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"query": "{ resource.service.name = \"ticketlab\" }",
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"limit": 20,
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"tableType": "traces"
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}
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],
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"options": {
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"showHeader": true,
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"cellHeight": "sm",
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"footer": { "show": false }
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}
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}
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],
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"refresh": "5s",
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"schemaVersion": 39,
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"tags": ["ticketlab", "otel", "demo"],
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"templating": { "list": [] },
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"time": { "from": "now-1h", "to": "now" },
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"timepicker": {},
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"timezone": "browser",
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"title": "TicketLab Demo - Metrics / Logs / Traces",
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"uid": "ticketlab-demo",
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"version": 1
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}
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@@ -0,0 +1,43 @@
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apiVersion: 1
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datasources:
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- name: Prometheus
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type: prometheus
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uid: prometheus
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access: proxy
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url: http://prometheus:9090
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isDefault: true
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editable: false
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- name: Loki
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type: loki
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uid: loki
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access: proxy
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url: http://loki:3100
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editable: false
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jsonData:
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derivedFields:
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- datasourceUid: tempo
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matcherRegex: '"trace_id":"(\w+)"'
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name: TraceID
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url: "$${__value.raw}"
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urlDisplayLabel: View trace
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- name: Tempo
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type: tempo
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uid: tempo
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access: proxy
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url: http://tempo:3200
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editable: false
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jsonData:
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tracesToLogsV2:
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datasourceUid: loki
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spanStartTimeShift: "-1h"
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spanEndTimeShift: "1h"
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filterByTraceID: true
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serviceMap:
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datasourceUid: prometheus
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nodeGraph:
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enabled: true
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lokiSearch:
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datasourceUid: loki
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@@ -0,0 +1,35 @@
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auth_enabled: false
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server:
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http_listen_port: 3100
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common:
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instance_addr: 127.0.0.1
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path_prefix: /loki
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storage:
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filesystem:
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chunks_directory: /loki/chunks
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rules_directory: /loki/rules
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replication_factor: 1
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ring:
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kvstore:
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store: inmemory
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schema_config:
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configs:
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- from: 2024-01-01
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store: tsdb
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object_store: filesystem
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schema: v13
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index:
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prefix: index_
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period: 24h
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storage_config:
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filesystem:
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directory: /loki/chunks
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limits_config:
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allow_structured_metadata: true
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reject_old_samples: true
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reject_old_samples_max_age: 168h
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@@ -0,0 +1,41 @@
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receivers:
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otlp:
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protocols:
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grpc:
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endpoint: 0.0.0.0:4317
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http:
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endpoint: 0.0.0.0:4318
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processors:
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batch: {}
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exporters:
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otlp/tempo:
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endpoint: tempo:4317
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tls:
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insecure: true
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loki:
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endpoint: http://loki:3100/loki/api/v1/push
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prometheus:
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endpoint: 0.0.0.0:8889
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namespace: otelcol
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debug:
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verbosity: basic
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service:
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pipelines:
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traces:
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receivers: [otlp]
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processors: [batch]
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exporters: [otlp/tempo, debug]
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logs:
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receivers: [otlp]
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processors: [batch]
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exporters: [loki, debug]
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metrics:
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receivers: [otlp]
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processors: [batch]
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exporters: [prometheus, debug]
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@@ -0,0 +1,14 @@
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global:
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scrape_interval: 15s
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scrape_configs:
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# App TicketLab on the host (when GET /metrics exists)
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- job_name: ticketlab
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metrics_path: /metrics
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static_configs:
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- targets: ["host.docker.internal:3000"]
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# OTEL Collector internal metrics
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- job_name: otel-collector
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static_configs:
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- targets: ["otel-collector:8889"]
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@@ -0,0 +1,39 @@
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server:
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http_listen_port: 3200
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distributor:
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receivers:
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otlp:
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protocols:
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grpc:
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endpoint: 0.0.0.0:4317
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http:
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endpoint: 0.0.0.0:4318
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ingester:
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trace_idle_period: 10s
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max_block_duration: 5m
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compactor:
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compaction:
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block_retention: 24h
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storage:
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trace:
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backend: local
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wal:
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path: /var/tempo/wal
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local:
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path: /var/tempo/blocks
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metrics_generator:
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registry:
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external_labels:
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source: tempo
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storage:
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path: /var/tempo/generator/wal
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overrides:
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defaults:
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metrics_generator:
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processors: [service-graphs, span-metrics]
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