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PR14: Hierarchical config provider + cache manager (bootstrap) #15

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DMontgomery40 wants to merge 3 commits into from
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PR14: Hierarchical config provider + cache manager (bootstrap) #15

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5c61249
PR13: add hierarchical config models + Alembic migration (global/tena…
Sep 26, 2025
fac97ac
PR14: add CacheManager + HierarchicalConfigProvider and wire optional…
Sep 26, 2025
647d4bf
PR15: add v4 admin config endpoints (read-only) under /admin/config/v…
Sep 26, 2025
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131 changes: 131 additions & 0 deletions api/alembic/versions/0002_hierarchical_config.py
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Original file line number Diff line number Diff line change
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"""Hierarchical configuration tables

Revision ID: 0002_hierarchical_config
Revises: 0001_initial
Create Date: 2025-09-26

"""
from alembic import op
import sqlalchemy as sa


# revision identifiers, used by Alembic.
revision = '0002_hierarchical_config'
down_revision = '0001_initial'
branch_labels = None
depends_on = None


def upgrade() -> None:
# Global configuration
op.create_table(
'config_global',
sa.Column('key', sa.String(200), primary_key=True, nullable=False),
sa.Column('value_encrypted', sa.Text(), nullable=False),
sa.Column('value_type', sa.String(20), nullable=False, server_default='string'),
sa.Column('encrypted', sa.Boolean(), nullable=False, server_default=sa.true()),
sa.Column('description', sa.Text(), nullable=True),
sa.Column('category', sa.String(50), nullable=True),
sa.Column('created_at', sa.DateTime(), nullable=False, server_default=sa.func.now()),
sa.Column('updated_at', sa.DateTime(), nullable=False, server_default=sa.func.now()),
)

# Tenant-level configuration
op.create_table(
'config_tenant',
sa.Column('tenant_id', sa.String(100), nullable=False),
sa.Column('key', sa.String(200), nullable=False),
sa.Column('value_encrypted', sa.Text(), nullable=False),
sa.Column('value_type', sa.String(20), nullable=False, server_default='string'),
sa.Column('encrypted', sa.Boolean(), nullable=False, server_default=sa.true()),
sa.Column('created_at', sa.DateTime(), nullable=False, server_default=sa.func.now()),
sa.Column('updated_at', sa.DateTime(), nullable=False, server_default=sa.func.now()),
sa.PrimaryKeyConstraint('tenant_id', 'key'),
)
op.create_index('idx_tenant_key', 'config_tenant', ['tenant_id', 'key'])

# Department-level configuration
op.create_table(
'config_department',
sa.Column('tenant_id', sa.String(100), nullable=False),
sa.Column('department', sa.String(100), nullable=False),
sa.Column('key', sa.String(200), nullable=False),
sa.Column('value_encrypted', sa.Text(), nullable=False),
sa.Column('value_type', sa.String(20), nullable=False, server_default='string'),
sa.Column('encrypted', sa.Boolean(), nullable=False, server_default=sa.true()),
sa.Column('created_at', sa.DateTime(), nullable=False, server_default=sa.func.now()),
sa.Column('updated_at', sa.DateTime(), nullable=False, server_default=sa.func.now()),
sa.PrimaryKeyConstraint('tenant_id', 'department', 'key'),
)
op.create_index('idx_dept_key', 'config_department', ['tenant_id', 'department', 'key'])

# Group-level configuration
op.create_table(
'config_group',
sa.Column('group_id', sa.String(100), nullable=False),
sa.Column('key', sa.String(200), nullable=False),
sa.Column('value_encrypted', sa.Text(), nullable=False),
sa.Column('value_type', sa.String(20), nullable=False, server_default='string'),
sa.Column('encrypted', sa.Boolean(), nullable=False, server_default=sa.true()),
sa.Column('priority', sa.Integer(), nullable=False, server_default='0'),
sa.Column('created_at', sa.DateTime(), nullable=False, server_default=sa.func.now()),
sa.Column('updated_at', sa.DateTime(), nullable=False, server_default=sa.func.now()),
sa.PrimaryKeyConstraint('group_id', 'key'),
)
op.create_index('idx_group_key', 'config_group', ['group_id', 'key'])
op.create_index('idx_group_priority', 'config_group', ['group_id', 'priority'])

# User-level configuration
op.create_table(
'config_user',
sa.Column('user_id', sa.String(100), nullable=False),
sa.Column('key', sa.String(200), nullable=False),
sa.Column('value_encrypted', sa.Text(), nullable=False),
sa.Column('value_type', sa.String(20), nullable=False, server_default='string'),
sa.Column('encrypted', sa.Boolean(), nullable=False, server_default=sa.true()),
sa.Column('created_at', sa.DateTime(), nullable=False, server_default=sa.func.now()),
sa.Column('updated_at', sa.DateTime(), nullable=False, server_default=sa.func.now()),
sa.PrimaryKeyConstraint('user_id', 'key'),
)
op.create_index('idx_user_key', 'config_user', ['user_id', 'key'])

# Configuration audit trail (masked only; integrity fingerprint)
op.create_table(
'config_audit',
sa.Column('id', sa.String(40), primary_key=True, nullable=False),
sa.Column('level', sa.String(20), nullable=False),
sa.Column('level_id', sa.String(200), nullable=True),
sa.Column('key', sa.String(200), nullable=False),
sa.Column('old_value_masked', sa.Text(), nullable=True),
sa.Column('new_value_masked', sa.Text(), nullable=False),
sa.Column('value_hmac', sa.String(64), nullable=False), # hex sha256
sa.Column('value_type', sa.String(20), nullable=False),
sa.Column('changed_by', sa.String(100), nullable=False),
sa.Column('changed_at', sa.DateTime(), nullable=False, server_default=sa.func.now()),
sa.Column('reason', sa.Text(), nullable=True),
sa.Column('ip_address', sa.String(45), nullable=True),
sa.Column('user_agent', sa.Text(), nullable=True),
)
op.create_index('idx_audit_level', 'config_audit', ['level', 'level_id'])
op.create_index('idx_audit_key', 'config_audit', ['key'])
op.create_index('idx_audit_time', 'config_audit', ['changed_at'])
op.create_index('idx_audit_user', 'config_audit', ['changed_by'])


def downgrade() -> None:
op.drop_index('idx_audit_user', table_name='config_audit')
op.drop_index('idx_audit_time', table_name='config_audit')
op.drop_index('idx_audit_key', table_name='config_audit')
op.drop_index('idx_audit_level', table_name='config_audit')
op.drop_table('config_audit')
op.drop_index('idx_user_key', table_name='config_user')
op.drop_table('config_user')
op.drop_index('idx_group_priority', table_name='config_group')
op.drop_index('idx_group_key', table_name='config_group')
op.drop_table('config_group')
op.drop_index('idx_dept_key', table_name='config_department')
op.drop_table('config_department')
op.drop_index('idx_tenant_key', table_name='config_tenant')
op.drop_table('config_tenant')
op.drop_table('config_global')

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