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db migration for better uniqueness constraints

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This commit is contained in:
Linus Vogel 2025-12-30 10:10:16 +01:00
parent 9d4123a734
commit aa2bc5a447
3 changed files with 54 additions and 8 deletions
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8
pillar_tool/db/migrations/versions/2025_12_27_1958-678356102624_added_pillar_structure.py
View File

@ -45,15 +45,17 @@ def upgrade() -> None:
sa.UniqueConstraint('name', name='pillar_tool_host_unique_name')
)
op.create_table('pillar_tool_pillar_value',
sa.Column('id', sa.UUID(), nullable=False),
sa.Column('pillar_id', sa.UUID(), nullable=False),
sa.Column('host_id', sa.UUID(), nullable=False),
sa.Column('host_group_id', sa.UUID(), nullable=False),
sa.Column('host_id', sa.UUID(), nullable=True),
sa.Column('host_group_id', sa.UUID(), nullable=True),
sa.Column('type', sa.String(), nullable=False),
sa.Column('value', sa.String(), nullable=False),
sa.ForeignKeyConstraint(['host_group_id'], ['pillar_tool_host_group.id'], ),
sa.ForeignKeyConstraint(['host_id'], ['pillar_tool_host.id'], ),
sa.ForeignKeyConstraint(['pillar_id'], ['pillar_tool_pillar.id'], ),
sa.PrimaryKeyConstraint('pillar_id', 'host_id', 'host_group_id')
sa.PrimaryKeyConstraint('id'),
sa.UniqueConstraint('pillar_id', 'host_id', 'host_group_id', name='pillar_value_unique_pillar_value')
)
# ### end Alembic commands ###

36
pillar_tool/db/migrations/versions/2025_12_30_1009-c6fe061ad732_better_uniqueness_contraints.py Normal file
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@ -0,0 +1,36 @@
"""better uniqueness contraints
Revision ID: c6fe061ad732
Revises: 678356102624
Create Date: 2025-12-30 10:09:17.004215
"""
from typing import Sequence, Union
from alembic import op
import sqlalchemy as sa
# revision identifiers, used by Alembic.
revision: str = 'c6fe061ad732'
down_revision: Union[str, Sequence[str], None] = '678356102624'
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None
def upgrade() -> None:
"""Upgrade schema."""
# ### commands auto generated by Alembic - please adjust! ###
op.drop_constraint(op.f('pillar_tool_host_group_unique_name'), 'pillar_tool_host_group', type_='unique')
op.create_unique_constraint('pillar_tool_host_group_unique_name_parent', 'pillar_tool_host_group', ['name', 'parent_id'])
op.create_unique_constraint('pillar_parent_unique_name_parent', 'pillar_tool_pillar', ['parent_id', 'name'])
# ### end Alembic commands ###
def downgrade() -> None:
"""Downgrade schema."""
# ### commands auto generated by Alembic - please adjust! ###
op.drop_constraint('pillar_parent_unique_name_parent', 'pillar_tool_pillar', type_='unique')
op.drop_constraint('pillar_tool_host_group_unique_name_parent', 'pillar_tool_host_group', type_='unique')
op.create_unique_constraint(op.f('pillar_tool_host_group_unique_name'), 'pillar_tool_host_group', ['name'], postgresql_nulls_not_distinct=False)
# ### end Alembic commands ###

18
pillar_tool/db/models/pillar_data.py
View File

@ -9,15 +9,24 @@ class Pillar(Base):
name = Column(String, nullable=False)
parent_id = Column(UUID, ForeignKey('pillar_tool_pillar.id'), nullable=True)
__table_args__ = (
UniqueConstraint('parent_id', 'name', name="pillar_parent_unique_name_parent"),
)
class PillarValue(Base):
__tablename__ = 'pillar_tool_pillar_value'
pillar_id = Column(UUID, ForeignKey('pillar_tool_pillar.id'), primary_key=True)
host_id = Column(UUID, ForeignKey('pillar_tool_host.id'), primary_key=True)
host_group_id = Column(UUID, ForeignKey('pillar_tool_host_group.id'), primary_key=True)
id = Column(UUID, primary_key=True)
pillar_id = Column(UUID, ForeignKey('pillar_tool_pillar.id'), nullable=False)
host_id = Column(UUID, ForeignKey('pillar_tool_host.id'), nullable=True)
host_group_id = Column(UUID, ForeignKey('pillar_tool_host_group.id'), nullable=True)
type = Column(String, nullable=False)
value = Column(String, nullable=False)
__table_args__ = (
UniqueConstraint('pillar_id', 'host_id', 'host_group_id', name='pillar_value_unique_pillar_value'),
)
class Host(Base):
__tablename__ = 'pillar_tool_host'
@ -27,7 +36,6 @@ class Host(Base):
__table_args__ = (
UniqueConstraint('name', name='pillar_tool_host_unique_name'),
)
@ -38,6 +46,6 @@ class HostGroup(Base):
parent_id = Column(UUID, ForeignKey('pillar_tool_host_group.id'), nullable=True)
__table_args__ = (
UniqueConstraint('name', name='pillar_tool_host_group_unique_name'),
UniqueConstraint('name', 'parent_id', name='pillar_tool_host_group_unique_name_parent'),
)