etl-pipeline-builder

Development

Build and manage ETL pipelines for data migration with transformation, CDC, and monitoring

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Source SKILL.md: https://github.com/a5c-ai/babysitter/blob/HEAD/library/specializations/code-migration-modernization/skills/etl-pipeline-builder/SKILL.md

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ETL Pipeline Builder Skill

Builds and manages ETL (Extract, Transform, Load) pipelines for data migration, supporting incremental loads, CDC, and comprehensive monitoring.

Purpose

Enable data pipeline creation for:

Source-to-target mapping
Transformation definition
Incremental load setup
CDC configuration
Pipeline monitoring

Capabilities

1. Source-to-Target Mapping

Define column mappings
Handle schema differences
Configure data type conversions
Manage derived columns

2. Transformation Definition

Data type transformations
Value mappings
Aggregations
Lookups and enrichments

3. Incremental Load Setup

Define watermarks
Configure incremental columns
Handle deletes
Manage merge logic

4. CDC Configuration

Log-based CDC
Trigger-based CDC
Timestamp-based CDC
Full load comparison

5. Error Handling

Define retry policies
Configure dead letter queues
Handle data quality issues
Implement alerting

6. Pipeline Monitoring

Track pipeline metrics
Monitor data volumes
Alert on failures
Generate SLA reports

Tool Integrations

Tool	Type	Integration Method
Apache Airflow	Orchestration	Python
dbt	Transformation	CLI
Airbyte	Data integration	API
Fivetran	SaaS ETL	API
AWS DMS	Cloud migration	CLI
Debezium	CDC	Config

Output Schema

{
  "pipelineId": "string",
  "timestamp": "ISO8601",
  "pipeline": {
    "name": "string",
    "source": {},
    "target": {},
    "mappings": [],
    "transformations": [],
    "schedule": "string"
  },
  "artifacts": {
    "dagFile": "string",
    "configFile": "string",
    "sqlFiles": []
  },
  "deployment": {
    "status": "string",
    "url": "string"
  }
}

Integration with Migration Processes

database-schema-migration: Data movement
cloud-migration: Cloud data pipelines
data-format-migration: Format transformation

Related Skills

data-migration-validator: Validation
schema-comparator: Schema mapping

Related Agents

database-migration-orchestrator: Pipeline orchestration
data-architect-agent: Pipeline design