- turned model_variables into a class with lazy loading

- some improvements to Healthchecks

migrations/public/versions/25588210dab2_llm_metrics_added.py

@@ -0,0 +1,49 @@
+"""LLM Metrics Added
+
+Revision ID: 25588210dab2
+Revises: 083ccd8206ea
+Create Date: 2024-09-17 12:44:12.242990
+
+"""
+from alembic import op
+import sqlalchemy as sa
+from sqlalchemy.dialects import postgresql
+
+# revision identifiers, used by Alembic.
+revision = '25588210dab2'
+down_revision = '083ccd8206ea'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.create_table('llm_usage_metric',
+    sa.Column('id', sa.Integer(), nullable=False),
+    sa.Column('tenant_id', sa.Integer(), nullable=False),
+    sa.Column('environment', sa.String(length=20), nullable=False),
+    sa.Column('activity', sa.String(length=20), nullable=False),
+    sa.Column('sub_activity', sa.String(length=20), nullable=False),
+    sa.Column('activity_detail', sa.String(length=50), nullable=True),
+    sa.Column('session_id', sa.String(length=50), nullable=True),
+    sa.Column('interaction_id', sa.Integer(), nullable=True),
+    sa.Column('document_version_id', sa.Integer(), nullable=True),
+    sa.Column('prompt_tokens', sa.Integer(), nullable=True),
+    sa.Column('completion_tokens', sa.Integer(), nullable=True),
+    sa.Column('total_tokens', sa.Integer(), nullable=True),
+    sa.Column('cost', sa.Float(), nullable=True),
+    sa.Column('latency', sa.Float(), nullable=True),
+    sa.Column('model_name', sa.String(length=50), nullable=False),
+    sa.Column('timestamp', sa.DateTime(), nullable=False),
+    sa.Column('additional_info', postgresql.JSONB(astext_type=sa.Text()), nullable=True),
+    sa.PrimaryKeyConstraint('id'),
+    schema='public'
+    )
+
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_table('llm_usage_metric', schema='public')
+    # ### end Alembic commands ###