Initialize governed Dataflow module

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2026-07-28 01:28:17 +02:00
commit 223c008ff3
44 changed files with 6204 additions and 0 deletions

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from __future__ import annotations
from pathlib import Path
from govoplan_core.core.module_guards import (
drop_table_retirement_provider,
persistent_table_uninstall_guard,
)
from govoplan_core.core.modules import (
DocumentationTopic,
FrontendModule,
MigrationSpec,
ModuleInterfaceProvider,
ModuleManifest,
NavItem,
PermissionDefinition,
RoleTemplate,
)
from govoplan_core.db.base import Base
from govoplan_dataflow.backend.db import models as dataflow_models
MODULE_ID = "dataflow"
MODULE_NAME = "Dataflow"
MODULE_VERSION = "0.1.14"
READ_SCOPE = "dataflow:pipeline:read"
WRITE_SCOPE = "dataflow:pipeline:write"
RUN_SCOPE = "dataflow:pipeline:run"
ADMIN_SCOPE = "dataflow:pipeline:admin"
def _permission(scope: str, label: str, description: str) -> PermissionDefinition:
module_id, resource, action = scope.split(":", 2)
return PermissionDefinition(
scope=scope,
label=label,
description=description,
category="Dataflow",
level="tenant",
module_id=module_id,
resource=resource,
action=action,
)
PERMISSIONS = (
_permission(
READ_SCOPE,
"View data pipelines",
"Read pipeline definitions, revisions, validation diagnostics, and run summaries.",
),
_permission(
WRITE_SCOPE,
"Manage data pipelines",
"Create, edit, version, archive, and remove data pipeline definitions.",
),
_permission(
RUN_SCOPE,
"Run data pipelines",
"Validate and execute bounded previews or approved pipeline runs.",
),
_permission(
ADMIN_SCOPE,
"Administer Dataflow",
"Manage every tenant pipeline and future execution, retention, and publication policies.",
),
)
ROLE_TEMPLATES = (
RoleTemplate(
slug="dataflow_designer",
name="Dataflow designer",
description="Design, validate, and preview governed data pipelines.",
permissions=(READ_SCOPE, WRITE_SCOPE, RUN_SCOPE),
),
RoleTemplate(
slug="dataflow_operator",
name="Dataflow operator",
description="Inspect and run approved data pipelines without changing their definitions.",
permissions=(READ_SCOPE, RUN_SCOPE),
),
RoleTemplate(
slug="dataflow_viewer",
name="Dataflow viewer",
description="Inspect pipeline definitions, revisions, diagnostics, and run summaries.",
permissions=(READ_SCOPE,),
),
)
DOCUMENTATION = (
DocumentationTopic(
id="dataflow.module-boundary",
title="Dataflow module boundary",
summary="Versioned tabular transformations with graphical and constrained SQL editing.",
body=(
"Dataflow owns canonical pipeline graphs, immutable revisions, validation, constrained "
"SQL compilation, preview and run diagnostics, and lineage references. Connectors owns "
"source connections and credentials; Reporting owns analytical presentation and exports; "
"Workflow owns orchestration and human handoffs; Risk Compliance owns sanctions review "
"semantics and policy gates. User SQL is compiled into approved transforms and is never "
"passed unchecked to a backing database."
),
layer="available",
documentation_types=("admin", "user"),
audience=("operator", "module_admin", "power_user", "product_owner"),
order=75,
related_modules=(
"connectors",
"files",
"reporting",
"workflow",
"risk_compliance",
"notifications",
"policy",
"audit",
),
metadata={
"first_slice": "Inline source, filter, select, aggregate, sort, limit, output, revisioning, and bounded preview.",
"sql_safety": "Constrained AST compilation only; no pass-through execution.",
},
),
)
def _dataflow_router(_context):
from govoplan_dataflow.backend.router import router
return router
def _tenant_summary(session, tenant_id: str) -> dict[str, int]:
return {
"dataflow_pipelines": (
session.query(dataflow_models.DataflowPipeline)
.filter(
dataflow_models.DataflowPipeline.tenant_id == tenant_id,
dataflow_models.DataflowPipeline.deleted_at.is_(None),
)
.count()
),
"dataflow_runs": (
session.query(dataflow_models.DataflowRun)
.filter(dataflow_models.DataflowRun.tenant_id == tenant_id)
.count()
),
}
manifest = ModuleManifest(
id=MODULE_ID,
name=MODULE_NAME,
version=MODULE_VERSION,
dependencies=(),
optional_dependencies=(
"access",
"audit",
"connectors",
"files",
"notifications",
"policy",
"reporting",
"risk_compliance",
"workflow",
),
provides_interfaces=(
ModuleInterfaceProvider(name="dataflow.pipeline_catalog", version=MODULE_VERSION),
ModuleInterfaceProvider(name="dataflow.pipeline_preview", version=MODULE_VERSION),
ModuleInterfaceProvider(name="dataflow.run_lifecycle", version=MODULE_VERSION),
ModuleInterfaceProvider(name="dataflow.dataset_output", version=MODULE_VERSION),
),
permissions=PERMISSIONS,
role_templates=ROLE_TEMPLATES,
nav_items=(
NavItem(
path="/dataflow",
label="Dataflow",
icon="waypoints",
required_any=(READ_SCOPE, ADMIN_SCOPE),
order=72,
),
),
frontend=FrontendModule(
module_id=MODULE_ID,
package_name="@govoplan/dataflow-webui",
nav_items=(
NavItem(
path="/dataflow",
label="Dataflow",
icon="waypoints",
required_any=(READ_SCOPE, ADMIN_SCOPE),
order=72,
),
),
),
route_factory=_dataflow_router,
tenant_summary_providers=(_tenant_summary,),
migration_spec=MigrationSpec(
module_id=MODULE_ID,
metadata=Base.metadata,
script_location=str(Path(__file__).with_name("migrations") / "versions"),
retirement_supported=True,
retirement_provider=drop_table_retirement_provider(
dataflow_models.DataflowRun,
dataflow_models.DataflowPipelineRevision,
dataflow_models.DataflowPipeline,
label="Dataflow",
),
retirement_notes=(
"Destructive retirement drops Dataflow definitions, revisions, and run evidence "
"after the installer captures a database snapshot."
),
),
uninstall_guard_providers=(
persistent_table_uninstall_guard(
dataflow_models.DataflowPipeline,
dataflow_models.DataflowPipelineRevision,
dataflow_models.DataflowRun,
label="Dataflow",
),
),
documentation=DOCUMENTATION,
)
def get_manifest() -> ModuleManifest:
return manifest
__all__ = [
"ADMIN_SCOPE",
"MODULE_ID",
"MODULE_NAME",
"MODULE_VERSION",
"READ_SCOPE",
"RUN_SCOPE",
"WRITE_SCOPE",
"get_manifest",
"manifest",
]