nordisk/nornir

.nornir/assets/yggdrasil-scales.svg

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  <!-- title -->
  <text x="40" y="44" fill="#eaf6ff" font-size="22" font-weight="700">Yggdrasil &#8212; the infra crown lands</text>
  <text x="470" y="44" fill="#9fc9e0" font-size="14">the warehouse <tspan fill="#bfe6ff" font-weight="700">is</tspan> the graph &#8212; one band of Iceberg rows per scale</text>

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    <text x="836" y="63" fill="#cfe6f5">landed 2026-07-14</text>
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    <text x="1008" y="63" fill="#cfe6f5">existing</text>
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  <!-- ===================== SCALE LADDER (roots -> crown) ===================== -->
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  <text x="590" y="130" fill="#eafff2" font-size="15" font-weight="700" text-anchor="middle">CROWN &#183; infra / deploy</text>
  <text x="590" y="152" fill="#b7f0cf" font-size="12" text-anchor="middle">infra_nodes &#183; infra_edges &#8212; machines &#183; services &#183; vms &#183; worker-groups</text>
  <text x="590" y="168" fill="#8fd6ad" font-size="10.5" text-anchor="middle">runs_on &#183; hosts &#183; deploys &#183; member_of</text>

  <!-- runtime band (new) -->
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  <text x="590" y="210" fill="#eafff2" font-size="14" font-weight="700" text-anchor="middle">RUNTIME / trace</text>
  <text x="590" y="228" fill="#b7f0cf" font-size="11.5" text-anchor="middle">runtime_spans &#8212; span_id &#183; parent &#183; service &#183; op &#183; start &#183; dur_us &#183; machine &#183; status</text>

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    <text x="590" y="272" fill="#cfe6f5" font-size="12" text-anchor="middle">architecture / system &#8212; architecture_wiring &#183; warehouse_access_edges</text>
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    <text x="590" y="314" fill="#cfe6f5" font-size="12" text-anchor="middle">dependency / repo / crate &#8212; dep_graph_edges &#183; clone_events &#183; semver_diffs</text>
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    <text x="590" y="356" fill="#cfe6f5" font-size="12" text-anchor="middle">module / call / symbol &#8212; call_edges &#183; symbol_facts &#183; scip_occurrences</text>
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    <text x="590" y="398" fill="#9fc9e0" font-size="12" text-anchor="middle">line / debug &#183; instruction (roots) &#8212; dwarf_* &#183; gimli_*</text>
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  <!-- ===================== PRODUCER (left) ===================== -->
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  <text x="134" y="180" fill="#eaf6ff" font-size="14" font-weight="700" text-anchor="middle">jera JobRecord</text>
  <text x="134" y="200" fill="#bfe6ff" font-size="10.5" text-anchor="middle">the durable job ledger</text>
  <text x="134" y="220" fill="#9fc9e0" font-size="10" text-anchor="middle">node &#8594; machine</text>
  <text x="134" y="236" fill="#9fc9e0" font-size="10" text-anchor="middle">kind &#8594; service</text>
  <text x="134" y="252" fill="#9fc9e0" font-size="10" text-anchor="middle">elapsed_ms &#8594; dur_us</text>

  <!-- producer fn -->
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  <text x="134" y="314" fill="#eaf6ff" font-size="12.5" font-weight="700" text-anchor="middle">warehouse::yggdrasil</text>
  <text x="134" y="332" fill="#9fc9e0" font-size="10" text-anchor="middle">infra_from_jobs</text>
  <text x="134" y="346" fill="#9fc9e0" font-size="10" text-anchor="middle">spans_from_jobs</text>

  <!-- trace: ledger -> producer -->
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  <!-- trace: producer -> crown + runtime -->
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  <text x="1046" y="180" fill="#eaf6ff" font-size="13.5" font-weight="700" text-anchor="middle">IcebergWarehouse</text>
  <text x="1046" y="200" fill="#bfe6ff" font-size="10.5" text-anchor="middle">skade-katalog redb</text>
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  <text x="40" y="430" fill="#86b3cc" font-size="11.5">snapshot-enveloped &amp; workspace-scoped exactly like dep_graph_edges &#183; each record_* writes one snapshot_id + one ts_micros</text>

  <!-- wiring note -->
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  <text x="590" y="480" fill="#bfe6ff" font-size="13" font-weight="700" text-anchor="middle">wired producer &#8212; monitor::republish_with</text>
  <text x="590" y="506" fill="#9fc9e0" font-size="11" text-anchor="middle">every workspace populate reads the job ledger (lock-tolerant) and</text>
  <text x="590" y="524" fill="#9fc9e0" font-size="11" text-anchor="middle">persists the crown + runtime band from real ledger rows</text>
  <text x="590" y="556" fill="#8fd6ad" font-size="11" text-anchor="middle" font-weight="700">wh.record_yggdrasil_from_jobs(ws, &amp;jobs)</text>
  <text x="590" y="586" fill="#86b3cc" font-size="10.5" text-anchor="middle">RED-when-broken test: record N nodes/edges/spans &#8594; query back field-identical</text>
  <text x="590" y="604" fill="#86b3cc" font-size="10.5" text-anchor="middle">+ workspace-scope isolation + empty-ledger no-op</text>
  <text x="590" y="632" fill="#6f9fb8" font-size="10" text-anchor="middle">follow-ups: skidbladnir ServiceSpec &#183; tunnr/draupnir boots &#183; roster cores/mem &#183; read-only supergraph viz pane</text>
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