feat(experimental): kick off inventory project

Track projects and their licenses
Docker compose configuration for dev with logging tracing and metrics (mostly done)
CRUD for mongo

experimental/license-inventory/.gitignore

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+node_modules

experimental/license-inventory/dev/grafana/datasources.yaml

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+apiVersion: 1
+
+datasources:
+  - name: Loki
+    type: loki
+    uid: loki
+    access: proxy
+    url: http://loki:3100
+    basicAuth: false
+    version: 1
+    editable: false
+    isDefault: true
+
+  - 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
+    uid: tempo
+    access: proxy
+    orgId: 1
+    url: http://tempo:3200
+    basicAuth: false
+    isDefault: false
+    version: 1
+    editable: false
+    jsonData:
+      tracesToLogsV2:
+        datasourceUid: loki
+        filterByTraceID: true
+        filterBySpanID: true
+      tracesToMetrics:
+        datasourceUid: prometheus

experimental/license-inventory/dev/loki.yaml

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+auth_enabled: false
+
+server:
+  http_listen_port: 3100
+  grpc_listen_port: 9096
+
+common:
+  instance_addr: 127.0.0.1
+  path_prefix: /tmp/loki
+  storage:
+    filesystem:
+      chunks_directory: /tmp/loki/chunks
+      rules_directory: /tmp/loki/rules
+  replication_factor: 1
+  ring:
+    kvstore:
+      store: inmemory
+
+frontend:
+  max_outstanding_per_tenant: 2048
+
+pattern_ingester:
+  enabled: true
+
+limits_config:
+  max_global_streams_per_user: 0
+  ingestion_rate_mb: 50000
+  ingestion_burst_size_mb: 50000
+  volume_enabled: true
+
+query_range:
+  results_cache:
+    cache:
+      embedded_cache:
+        enabled: true
+        max_size_mb: 100
+
+schema_config:
+  configs:
+    - from: 2020-10-24
+      store: tsdb
+      object_store: filesystem
+      schema: v13
+      index:
+        prefix: index_
+        period: 24h
+
+analytics:
+  reporting_enabled: false

experimental/license-inventory/dev/otel-collector-config.yaml

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+extensions:
+  health_check:
+  pprof:
+    endpoint: 127.0.0.1:1777
+  zpages:
+    endpoint: 127.0.0.1:55679
+
+receivers:
+  otlp:
+    protocols:
+      http:
+        endpoint: 0.0.0.0:4318
+
+  # collect own metrics
+  prometheus:
+    config:
+      scrape_configs:
+        - job_name: otel-collector
+          scrape_interval: 10s
+          static_configs:
+            - targets:
+                - 127.0.0.1:8888
+
+exporters:
+  loki:
+    endpoint: http://loki:3100/loki/api/v1/push
+  prometheus:
+    endpoint: 127.0.0.1:8889
+    namespace: otel-collector
+    send_timestamps: true
+    metric_expiration: 180m
+    enable_open_metrics: true
+    add_metric_suffixes: false
+    resource_to_telemetry_conversion:
+      enabled: true
+  otlphttp:
+   endpoint: http://tempo:4318
+
+processors:
+  batch:
+
+service:
+  pipelines:
+    traces:
+      receivers: [otlp]
+      exporters: [otlphttp]
+    metrics:
+      receivers: [otlp]
+      exporters: [prometheus]
+    logs:
+      receivers: [otlp]
+      exporters: [loki]

experimental/license-inventory/dev/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' ]
+  - job_name: promtail
+    static_configs:
+      - targets: [ 'promtail:9080' ]
+  - job_name: otel-collector
+    static_configs:
+      - targets: [ 'otel-collector:8889' ]
+  - job_name: otel-collector-meta
+    static_configs:
+      - targets: [ 'otel-collector:8888' ]

experimental/license-inventory/dev/promtail.yaml

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+positions:
+  filename: /tmp/positions.yaml
+
+clients:
+  - url: http://loki:3100/loki/api/v1/push
+
+scrape_configs:
+- job_name: system
+  static_configs:
+  - targets:
+      - localhost
+    labels:
+      job: mongo
+      __path__: /var/log-mongo/mongo.log*

experimental/license-inventory/dev/tempo.yaml

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+stream_over_http_enabled: true
+server:
+  http_listen_port: 3200
+
+distributor:
+  receivers:
+    otlp:
+      protocols:
+        http:
+
+compactor:
+  compaction:
+    block_retention: 1h
+
+metrics_generator:
+  registry:
+    external_labels:
+      source: tempo
+      cluster: docker-compose
+  storage:
+    path: /var/tempo/generator/wal
+    remote_write:
+      - url: http://prometheus:9090/api/v1/write
+        send_exemplars: true
+  traces_storage:
+    path: /var/tempo/generator/traces
+
+storage:
+  trace:
+    backend: local
+    wal:
+      path: /var/tempo/wal
+    local:
+      path: /var/tempo/blocks
+
+overrides:
+  defaults:
+    metrics_generator:
+      processors: [service-graphs, span-metrics, local-blocks]
+      generate_native_histograms: both

experimental/license-inventory/docker-compose.yaml

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+services:
+  init:
+    image: alpine:3.20
+    init: true
+    volumes:
+      - mongo-logs:/var/log-mongo
+      - tempo-data:/var/tempo
+    command: >
+      chmod 777 /var/log-mongo && chown -R 10001:10001 /var/tempo
+
+  app:
+    container_name: license-inventory
+    image: node:23-alpine
+    # ensure colours show
+    tty: true
+    command: >
+      sh -c "npm install --include=optional && npm run dev"
+    environment:
+      MONGO_URI: mongodb://mongo:27017/inventory
+      OTEL_TRACES_EXPORTER: otlp
+      OTEL_EXPORTER_OTLP_ENDPOINT: http://otel-collector:4318
+      OTEL_EXPORTER_OTLP_PROTOCOL: http/protobuf
+      OTEL_SERVICE_NAME: license-inventory
+      OTEL_RESOURCE_ATTRIBUTES: service.version=0.0.0
+      NODE_OPTIONS: --require @opentelemetry/auto-instrumentations-node/register
+    ports:
+      - 3000:3000
+    working_dir: /usr/src/app
+    volumes:
+      - .:/usr/src/app
+      # have a separate node dependencies
+      # avoids permissions conflicts
+      - node-deps:/usr/src/app/node_modules
+    depends_on:
+      - mongo
+      - otel-collector
+
+  mongo:
+    image: mongo:8.0.3
+    command: --logpath=/var/log/mongo.log
+    ports:
+      - 27017:27017
+    volumes:
+      - mongo-data:/data/db
+      - mongo-logs:/var/log
+    depends_on:
+      - init
+
+  otel-collector:
+    image: otel/opentelemetry-collector-contrib:0.114.0
+    volumes:
+      - ./dev/otel-collector-config.yaml:/etc/otelcol-contrib/config.yaml
+    depends_on:
+      - loki
+      - tempo
+
+  promtail:
+    image: grafana/promtail:3.3.0
+    command:
+      - -config.file=/etc/promtail/config.yaml
+      - -log.level=warn
+    volumes:
+      - ./dev/promtail.yaml:/etc/promtail/config.yaml
+      - mongo-logs:/var/log-mongo
+    depends_on:
+      - loki
+
+  # traces
+  tempo:
+    image: grafana/tempo:2.6.1
+    command:
+      - -config.file=/etc/tempo.yaml
+      - -log.level=warn
+    volumes:
+      - ./dev/tempo.yaml:/etc/tempo.yaml
+      - tempo-data:/var/tempo
+    depends_on:
+      - init
+      - prometheus
+
+  # metrics
+  prometheus:
+    image: prom/prometheus:v3.0.0
+    command:
+      - --config.file=/etc/prometheus.yaml
+      - --enable-feature=exemplar-storage
+      - --enable-feature=native-histograms
+      - --web.enable-remote-write-receiver
+      - --enable-feature=otlp-write-receive
+      - --web.enable-otlp-receiver
+      - --log.level=warn
+    volumes:
+      - ./dev/prometheus.yaml:/etc/prometheus.yaml
+    ports:
+      - 9090:9090
+
+  # logs
+  loki:
+    image: grafana/loki:3.3.0
+    command:
+      - -config.file=/etc/loki/loki.yaml
+      - -log.level=warn
+    ports:
+      - 3100:3100
+    volumes:
+      - ./dev/loki.yaml:/etc/loki/loki.yaml
+
+  # everything dashboard
+  grafana:
+    image: grafana/grafana:11.3.1
+    ports:
+      - 3001:3000
+    volumes:
+      - ./dev/grafana/datasources.yaml:/etc/grafana/provisioning/datasources/datasources.yaml
+    environment:
+      - GF_AUTH_ANONYMOUS_ENABLED=true
+      - GF_AUTH_ANONYMOUS_ORG_ROLE=Admin
+      - GF_AUTH_DISABLE_LOGIN_FORM=true
+      - GF_FEATURE_TOGGLES_ENABLE=traceqlEditor metricsSummary
+      - GF_INSTALL_PLUGINS=grafana-lokiexplore-app,grafana-exploretraces-app
+      # seem to get auth warnings even though we're on anonymous auth
+      - GF_LOG_LEVEL=error
+    depends_on:
+      - loki
+      - tempo
+      - prometheus
+
+volumes:
+  mongo-logs:
+  mongo-data:
+  tempo-data:
+  node-deps:

experimental/license-inventory/eslint.config.mjs

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+import globals from "globals";
+import pluginJs from "@eslint/js";
+import tseslint from "typescript-eslint";
+
+
+/** @type {import('eslint').Linter.Config[]} */
+export default [
+  {files: ["**/*.{js,mjs,cjs,ts}"]},
+  {languageOptions: { globals: globals.node }},
+  pluginJs.configs.recommended,
+  ...tseslint.configs.recommended,
+];

experimental/license-inventory/nodemon.json

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+{
+  "watch": ["src", ".env"],
+  "ext": "js,ts,json",
+  "ignore": ["src/**/*.{spec,test}.ts"],
+  "exec": "ts-node -r tsconfig-paths/register --transpile-only src/server.ts | pino-pretty"
+}