fix: add Alembic migration setup to resolve missing script_location error

Agent-Logs-Url: https://github.com/christianlouis/dmarq/sessions/bfb1bb7e-b0da-45b8-b034-b2331488905e

Co-authored-by: christianlouis <361235+christianlouis@users.noreply.github.com>

backend/alembic/README

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+Generic single-database configuration.

backend/alembic/env.py

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+import os
+from logging.config import fileConfig
+
+from sqlalchemy import engine_from_config
+from sqlalchemy import pool
+
+from alembic import context
+
+# this is the Alembic Config object, which provides
+# access to the values within the .ini file in use.
+config = context.config
+
+# Interpret the config file for Python logging.
+# This line sets up loggers basically.
+if config.config_file_name is not None:
+    fileConfig(config.config_file_name)
+
+# Override sqlalchemy.url with DATABASE_URL environment variable when present
+database_url = os.environ.get("DATABASE_URL")
+if database_url:
+    config.set_main_option("sqlalchemy.url", database_url)
+
+# Import all models so that autogenerate can detect them
+from app.core.database import Base  # noqa: E402
+import app.models.domain  # noqa: E402, F401
+import app.models.report  # noqa: E402, F401
+import app.models.user  # noqa: E402, F401
+
+target_metadata = Base.metadata
+
+
+def run_migrations_offline() -> None:
+    """Run migrations in 'offline' mode.
+
+    This configures the context with just a URL
+    and not an Engine, though an Engine is acceptable
+    here as well.  By skipping the Engine creation
+    we don't even need a DBAPI to be available.
+
+    Calls to context.execute() here emit the given string to the
+    script output.
+
+    """
+    url = config.get_main_option("sqlalchemy.url")
+    context.configure(
+        url=url,
+        target_metadata=target_metadata,
+        literal_binds=True,
+        dialect_opts={"paramstyle": "named"},
+    )
+
+    with context.begin_transaction():
+        context.run_migrations()
+
+
+def run_migrations_online() -> None:
+    """Run migrations in 'online' mode.
+
+    In this scenario we need to create an Engine
+    and associate a connection with the context.
+
+    """
+    connectable = engine_from_config(
+        config.get_section(config.config_ini_section, {}),
+        prefix="sqlalchemy.",
+        poolclass=pool.NullPool,
+    )
+
+    with connectable.connect() as connection:
+        context.configure(
+            connection=connection,
+            target_metadata=target_metadata,
+        )
+
+        with context.begin_transaction():
+            context.run_migrations()
+
+
+if context.is_offline_mode():
+    run_migrations_offline()
+else:
+    run_migrations_online()

backend/alembic/script.py.mako

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+"""${message}
+
+Revision ID: ${up_revision}
+Revises: ${down_revision | comma,n}
+Create Date: ${create_date}
+
+"""
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+${imports if imports else ""}
+
+# revision identifiers, used by Alembic.
+revision: str = ${repr(up_revision)}
+down_revision: Union[str, Sequence[str], None] = ${repr(down_revision)}
+branch_labels: Union[str, Sequence[str], None] = ${repr(branch_labels)}
+depends_on: Union[str, Sequence[str], None] = ${repr(depends_on)}
+
+
+def upgrade() -> None:
+    """Upgrade schema."""
+    ${upgrades if upgrades else "pass"}
+
+
+def downgrade() -> None:
+    """Downgrade schema."""
+    ${downgrades if downgrades else "pass"}

backend/alembic/versions/88b549786e2d_initial_schema.py

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+"""initial schema
+
+Revision ID: 88b549786e2d
+Revises: 
+Create Date: 2026-03-29 11:36:11.612752
+
+"""
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision: str = '88b549786e2d'
+down_revision: Union[str, Sequence[str], None] = None
+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.create_table('domains',
+    sa.Column('id', sa.Integer(), nullable=False),
+    sa.Column('name', sa.String(), nullable=False),
+    sa.Column('description', sa.Text(), nullable=True),
+    sa.Column('active', sa.Boolean(), nullable=True),
+    sa.Column('dmarc_policy', sa.String(), nullable=True),
+    sa.Column('spf_record', sa.String(), nullable=True),
+    sa.Column('dkim_selectors', sa.String(), nullable=True),
+    sa.Column('verified', sa.Boolean(), nullable=True),
+    sa.Column('verification_token', sa.String(), nullable=True),
+    sa.Column('created_at', sa.DateTime(), nullable=True),
+    sa.Column('updated_at', sa.DateTime(), nullable=True),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_index(op.f('ix_domains_active'), 'domains', ['active'], unique=False)
+    op.create_index('ix_domains_active_verified', 'domains', ['active', 'verified'], unique=False)
+    op.create_index(op.f('ix_domains_created_at'), 'domains', ['created_at'], unique=False)
+    op.create_index(op.f('ix_domains_id'), 'domains', ['id'], unique=False)
+    op.create_index(op.f('ix_domains_name'), 'domains', ['name'], unique=True)
+    op.create_index('ix_domains_policy', 'domains', ['dmarc_policy'], unique=False)
+    op.create_index('ix_domains_updated', 'domains', ['updated_at'], unique=False)
+    op.create_index(op.f('ix_domains_verified'), 'domains', ['verified'], unique=False)
+    op.create_table('users',
+    sa.Column('id', sa.Integer(), nullable=False),
+    sa.Column('email', sa.String(), nullable=False),
+    sa.Column('hashed_password', sa.String(), nullable=False),
+    sa.Column('is_active', sa.Boolean(), nullable=True),
+    sa.Column('is_superuser', sa.Boolean(), nullable=True),
+    sa.Column('is_verified', sa.Boolean(), nullable=True),
+    sa.Column('full_name', sa.String(), nullable=True),
+    sa.Column('organization', sa.String(), nullable=True),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_index(op.f('ix_users_email'), 'users', ['email'], unique=True)
+    op.create_index(op.f('ix_users_id'), 'users', ['id'], unique=False)
+    op.create_table('dmarc_reports',
+    sa.Column('id', sa.Integer(), nullable=False),
+    sa.Column('domain_id', sa.Integer(), nullable=False),
+    sa.Column('report_id', sa.String(), nullable=False),
+    sa.Column('org_name', sa.String(), nullable=False),
+    sa.Column('begin_date', sa.Integer(), nullable=False),
+    sa.Column('end_date', sa.Integer(), nullable=False),
+    sa.Column('source_email', sa.String(), nullable=True),
+    sa.Column('policy', sa.String(), nullable=True),
+    sa.Column('subdomain_policy', sa.String(), nullable=True),
+    sa.Column('adkim', sa.String(length=1), nullable=True),
+    sa.Column('aspf', sa.String(length=1), nullable=True),
+    sa.Column('percentage', sa.Integer(), nullable=True),
+    sa.Column('processed_at', sa.DateTime(), nullable=True),
+    sa.Column('raw_data', sa.Text(), nullable=True),
+    sa.ForeignKeyConstraint(['domain_id'], ['domains.id'], ),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_index(op.f('ix_dmarc_reports_begin_date'), 'dmarc_reports', ['begin_date'], unique=False)
+    op.create_index('ix_dmarc_reports_domain_dates', 'dmarc_reports', ['domain_id', 'begin_date', 'end_date'], unique=False)
+    op.create_index(op.f('ix_dmarc_reports_domain_id'), 'dmarc_reports', ['domain_id'], unique=False)
+    op.create_index(op.f('ix_dmarc_reports_end_date'), 'dmarc_reports', ['end_date'], unique=False)
+    op.create_index(op.f('ix_dmarc_reports_id'), 'dmarc_reports', ['id'], unique=False)
+    op.create_index(op.f('ix_dmarc_reports_org_name'), 'dmarc_reports', ['org_name'], unique=False)
+    op.create_index('ix_dmarc_reports_policy', 'dmarc_reports', ['policy'], unique=False)
+    op.create_index('ix_dmarc_reports_processed', 'dmarc_reports', ['processed_at'], unique=False)
+    op.create_index(op.f('ix_dmarc_reports_report_id'), 'dmarc_reports', ['report_id'], unique=False)
+    op.create_table('user_domains',
+    sa.Column('id', sa.Integer(), nullable=False),
+    sa.Column('user_id', sa.Integer(), nullable=False),
+    sa.Column('domain_id', sa.Integer(), nullable=False),
+    sa.Column('role', sa.String(), nullable=False),
+    sa.Column('created_at', sa.DateTime(), nullable=True),
+    sa.ForeignKeyConstraint(['domain_id'], ['domains.id'], ),
+    sa.ForeignKeyConstraint(['user_id'], ['users.id'], ),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_index(op.f('ix_user_domains_id'), 'user_domains', ['id'], unique=False)
+    op.create_table('report_records',
+    sa.Column('id', sa.Integer(), nullable=False),
+    sa.Column('report_id', sa.Integer(), nullable=False),
+    sa.Column('source_ip', sa.String(), nullable=False),
+    sa.Column('count', sa.Integer(), nullable=False),
+    sa.Column('disposition', sa.String(), nullable=False),
+    sa.Column('dkim', sa.String(), nullable=True),
+    sa.Column('spf', sa.String(), nullable=True),
+    sa.Column('header_from', sa.String(), nullable=True),
+    sa.Column('envelope_from', sa.String(), nullable=True),
+    sa.Column('dkim_auth_details', sa.Text(), nullable=True),
+    sa.Column('spf_auth_details', sa.Text(), nullable=True),
+    sa.ForeignKeyConstraint(['report_id'], ['dmarc_reports.id'], ),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_index('ix_report_records_disposition', 'report_records', ['disposition', 'count'], unique=False)
+    op.create_index(op.f('ix_report_records_dkim'), 'report_records', ['dkim'], unique=False)
+    op.create_index(op.f('ix_report_records_header_from'), 'report_records', ['header_from'], unique=False)
+    op.create_index(op.f('ix_report_records_id'), 'report_records', ['id'], unique=False)
+    op.create_index(op.f('ix_report_records_report_id'), 'report_records', ['report_id'], unique=False)
+    op.create_index('ix_report_records_source_auth', 'report_records', ['source_ip', 'dkim', 'spf'], unique=False)
+    op.create_index(op.f('ix_report_records_source_ip'), 'report_records', ['source_ip'], unique=False)
+    op.create_index(op.f('ix_report_records_spf'), 'report_records', ['spf'], unique=False)
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    """Downgrade schema."""
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_index(op.f('ix_report_records_spf'), table_name='report_records')
+    op.drop_index(op.f('ix_report_records_source_ip'), table_name='report_records')
+    op.drop_index('ix_report_records_source_auth', table_name='report_records')
+    op.drop_index(op.f('ix_report_records_report_id'), table_name='report_records')
+    op.drop_index(op.f('ix_report_records_id'), table_name='report_records')
+    op.drop_index(op.f('ix_report_records_header_from'), table_name='report_records')
+    op.drop_index(op.f('ix_report_records_dkim'), table_name='report_records')
+    op.drop_index('ix_report_records_disposition', table_name='report_records')
+    op.drop_table('report_records')
+    op.drop_index(op.f('ix_user_domains_id'), table_name='user_domains')
+    op.drop_table('user_domains')
+    op.drop_index(op.f('ix_dmarc_reports_report_id'), table_name='dmarc_reports')
+    op.drop_index('ix_dmarc_reports_processed', table_name='dmarc_reports')
+    op.drop_index('ix_dmarc_reports_policy', table_name='dmarc_reports')
+    op.drop_index(op.f('ix_dmarc_reports_org_name'), table_name='dmarc_reports')
+    op.drop_index(op.f('ix_dmarc_reports_id'), table_name='dmarc_reports')
+    op.drop_index(op.f('ix_dmarc_reports_end_date'), table_name='dmarc_reports')
+    op.drop_index(op.f('ix_dmarc_reports_domain_id'), table_name='dmarc_reports')
+    op.drop_index('ix_dmarc_reports_domain_dates', table_name='dmarc_reports')
+    op.drop_index(op.f('ix_dmarc_reports_begin_date'), table_name='dmarc_reports')
+    op.drop_table('dmarc_reports')
+    op.drop_index(op.f('ix_users_id'), table_name='users')
+    op.drop_index(op.f('ix_users_email'), table_name='users')
+    op.drop_table('users')
+    op.drop_index(op.f('ix_domains_verified'), table_name='domains')
+    op.drop_index('ix_domains_updated', table_name='domains')
+    op.drop_index('ix_domains_policy', table_name='domains')
+    op.drop_index(op.f('ix_domains_name'), table_name='domains')
+    op.drop_index(op.f('ix_domains_id'), table_name='domains')
+    op.drop_index(op.f('ix_domains_created_at'), table_name='domains')
+    op.drop_index('ix_domains_active_verified', table_name='domains')
+    op.drop_index(op.f('ix_domains_active'), table_name='domains')
+    op.drop_table('domains')
+    # ### end Alembic commands ###