{"id":48762205,"url":"https://github.com/bartleboeuf/s3-pricing","last_synced_at":"2026-04-13T07:39:19.588Z","repository":{"id":342865928,"uuid":"1175354353","full_name":"bartleboeuf/s3-pricing","owner":"bartleboeuf","description":"A high-performance Rust library for fetching and caching AWS S3 pricing information dynamically using the AWS Pricing API.","archived":false,"fork":false,"pushed_at":"2026-03-14T16:41:03.000Z","size":19,"stargazers_count":1,"open_issues_count":0,"forks_count":0,"subscribers_count":0,"default_branch":"main","last_synced_at":"2026-04-13T07:39:16.123Z","etag":null,"topics":["api-bindings","aws-s3"],"latest_commit_sha":null,"homepage":"https://crates.io/crates/s3-pricing","language":"Rust","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":"mit","status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/bartleboeuf.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":"LICENSE","code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null,"governance":null,"roadmap":null,"authors":null,"dei":null,"publiccode":null,"codemeta":null,"zenodo":null,"notice":null,"maintainers":null,"copyright":null,"agents":null,"dco":null,"cla":null}},"created_at":"2026-03-07T15:44:50.000Z","updated_at":"2026-03-14T16:41:01.000Z","dependencies_parsed_at":null,"dependency_job_id":null,"html_url":"https://github.com/bartleboeuf/s3-pricing","commit_stats":null,"previous_names":["bartleboeuf/s3-pricing"],"tags_count":0,"template":false,"template_full_name":null,"purl":"pkg:github/bartleboeuf/s3-pricing","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/bartleboeuf%2Fs3-pricing","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/bartleboeuf%2Fs3-pricing/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/bartleboeuf%2Fs3-pricing/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/bartleboeuf%2Fs3-pricing/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/bartleboeuf","download_url":"https://codeload.github.com/bartleboeuf/s3-pricing/tar.gz/refs/heads/main","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/bartleboeuf%2Fs3-pricing/sbom","scorecard":null,"host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":286080680,"owners_count":31744404,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2026-04-13T06:26:45.479Z","status":"ssl_error","status_checked_at":"2026-04-13T06:26:44.645Z","response_time":93,"last_error":"SSL_read: unexpected eof while reading","robots_txt_status":"success","robots_txt_updated_at":"2025-07-24T06:49:26.215Z","robots_txt_url":"https://github.com/robots.txt","online":false,"can_crawl_api":true,"host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":["api-bindings","aws-s3"],"created_at":"2026-04-13T07:39:18.104Z","updated_at":"2026-04-13T07:39:19.580Z","avatar_url":"https://github.com/bartleboeuf.png","language":"Rust","funding_links":[],"categories":[],"sub_categories":[],"readme":"# s3-pricing\n\n[![Crates.io](https://img.shields.io/crates/v/s3-pricing.svg)](https://crates.io/crates/s3-pricing)\n[![Documentation](https://docs.rs/s3-pricing/badge.svg)](https://docs.rs/s3-pricing)\n[![License](https://img.shields.io/badge/license-MIT-blue.svg)](LICENSE)\n![Rust](https://img.shields.io/badge/rust-1.93.0+-orange.svg)\n\nA high-performance Rust library for fetching and caching AWS S3 pricing information dynamically using the AWS Pricing API.\n\n## 🚀 Features\n\n- **Real-time Pricing**: Fetch up-to-date S3 pricing directly from AWS Pricing API\n- **Intelligent Caching**: Automatic caching with negative result caching to minimize API calls\n- **Comprehensive Coverage**: Support for all S3 storage classes and AWS regions (global and China)\n- **Multiple Price Types**:\n  - Storage costs (per GB-month)\n  - API request costs (Class A: PUT/COPY/POST/LIST, Class B: GET/SELECT)\n  - Data transfer costs (to internet and cross-region)\n- **High Performance**: Optimized with static filter caching and early-return algorithms\n- **Error Handling**: Type-safe region validation and descriptive error messages\n- **Async/Await**: Built on tokio for non-blocking operations\n- **China Regions**: Full support for AWS China regions (cn-north-1, cn-northwest-1) with CNY pricing\n\n## 📦 Installation\n\nAdd this to your `Cargo.toml`:\n\n```toml\n[dependencies]\ns3-pricing = \"0.1.0\"\ntokio = { version = \"1.50\", features = [\"full\"] }\nanyhow = \"1.0\"\n```\n\n## 🚀 Quick Start\n\n```rust\nuse s3_pricing::S3PricingClient;\nuse anyhow::Result;\n\n#[tokio::main]\nasync fn main() -\u003e Result\u003c()\u003e {\n    // Create a new pricing client (uses default AWS credentials)\n    let client = S3PricingClient::new(None).await?;\n    \n    // Get storage price for STANDARD class in us-east-1\n    let price = client.get_storage_price(\"us-east-1\", \"STANDARD\").await?;\n    println!(\"S3 STANDARD storage: ${:.4} per GB-month\", price);\n    \n    // Get Class A request price (PUT, COPY, POST, LIST)\n    let put_price = client.get_class_a_request_price(\"us-east-1\", \"STANDARD\").await?;\n    println!(\"PUT requests: ${:.10} per request (${:.4} per 1,000)\", put_price, put_price * 1000.0);\n    \n    // Get Class B request price (GET, SELECT)\n    let get_price = client.get_class_b_request_price(\"us-east-1\", \"STANDARD\").await?;\n    println!(\"GET requests: ${:.10} per request (${:.4} per 10,000)\", get_price, get_price * 10000.0);\n    \n    // Get data transfer to internet price\n    let transfer_price = client.get_data_transfer_price(\"us-east-1\").await?;\n    println!(\"Data transfer to internet: ${:.4} per GB\", transfer_price);\n    \n    // Get cross-region transfer price\n    let cross_region_price = client.get_cross_region_transfer_price(\"us-east-1\", \"eu-west-1\").await?;\n    println!(\"Transfer us-east-1 → eu-west-1: ${:.4} per GB\", cross_region_price);\n    \n    // Display formatted pricing information\n    client.display_pricing(\"us-east-1\", \"STANDARD\", None).await?;\n    client.display_pricing(\"eu-west-1\", \"GLACIER\", Some(\u0026\"us-east-1\".to_string())).await?;\n    \n    Ok(())\n}\n```\n\n## 📚 Usage\n\n### AWS Credentials\n\nThe library automatically resolves AWS credentials using the standard AWS SDK credential chain:\n\n1. Environment variables (`AWS_ACCESS_KEY_ID`, `AWS_SECRET_ACCESS_KEY`)\n2. Shared credentials file (`~/.aws/credentials`)\n3. AWS SSO profiles\n4. IAM roles for EC2 instances\n5. IAM roles for ECS tasks\n\nYou can optionally specify a named profile:\n\n```rust\nlet client = S3PricingClient::new(Some(\"my-profile\")).await?;\n```\n\n### Supported S3 Storage Classes\n\n- `STANDARD` - Standard S3 storage\n- `STANDARD_IA` - Standard Infrequent Access\n- `ONEZONE_IA` - One Zone Infrequent Access\n- `INTELLIGENT_TIERING` - Intelligent-Tiering\n- `GLACIER` / `GLACIER_FLEXIBLE_RETRIEVAL` - Glacier Flexible Retrieval\n- `DEEP_ARCHIVE` - Glacier Deep Archive\n- `GLACIER_IR` / `GLACIER_INSTANT_RETRIEVAL` - Glacier Instant Retrieval\n- `EXPRESS_ONEZONE` - S3 Express One Zone\n- `REDUCED_REDUNDANCY` - Reduced Redundancy (legacy)\n\n### Supported AWS Regions\n\nAll AWS regions are supported, including:\n- **Global Regions**: US, Europe, Asia Pacific, Middle East, Africa, South America, Canada\n  - Pricing in USD\n  - Endpoint: `api.pricing.us-east-1.amazonaws.com`\n- **China Regions**: cn-north-1 (Beijing), cn-northwest-1 (Ningxia)\n  - Pricing in CNY\n  - Endpoint: `api.pricing.cn-northwest-1.amazonaws.com.cn`\n\n### Pricing Methods\n\n#### Storage Pricing\n\n```rust\nlet price = client.get_storage_price(\"us-east-1\", \"STANDARD_IA\").await?;\n// Returns price per GB-month in USD\n```\n\n#### Request Pricing\n\n```rust\n// Class A: PUT, COPY, POST, LIST\nlet put_price = client.get_class_a_request_price(\"us-east-1\", \"STANDARD\").await?;\n\n// Class B: GET, SELECT, and all other operations\nlet get_price = client.get_class_b_request_price(\"us-east-1\", \"STANDARD\").await?;\n```\n\n#### Data Transfer Pricing\n\n```rust\n// Transfer to internet\nlet internet_price = client.get_data_transfer_price(\"us-east-1\").await?;\n\n// Cross-region transfer\nlet cross_region = client.get_cross_region_transfer_price(\"us-east-1\", \"eu-west-1\").await?;\n```\n\n#### Display Formatted Pricing\n\n```rust\n// Display with internet transfer pricing\nclient.display_pricing(\"us-east-1\", \"STANDARD\", None).await?;\n\n// Display with cross-region transfer pricing\nlet dest = \"eu-west-1\".to_string();\nclient.display_pricing(\"us-east-1\", \"STANDARD\", Some(\u0026dest)).await?;\n```\n\n### AWS China Regions\n\nAWS China regions require a separate client instance using `new_china()`:\n\n```rust\nuse s3_pricing::S3PricingClient;\n\n// For global AWS regions (USD pricing)\nlet client = S3PricingClient::new(None).await?;\nlet price_usd = client.get_storage_price(\"us-east-1\", \"STANDARD\").await?;\nprintln!(\"US East: ${:.4} per GB-month\", price_usd);\n\n// For AWS China regions (CNY pricing)\nlet china_client = S3PricingClient::new_china(None).await?;\nlet price_cny = china_client.get_storage_price(\"cn-north-1\", \"STANDARD\").await?;\nprintln!(\"China (Beijing): ¥{:.4} per GB-month\", price_cny);\n\n// Display formatted pricing for China regions\nchina_client.display_pricing(\"cn-north-1\", \"STANDARD\", None).await?;\n```\n\n#### Check if a Region is a China Region\n\n```rust\nuse s3_pricing::S3PricingClient;\n\nif S3PricingClient::is_china_region(\"cn-north-1\") {\n    // Use new_china() for CNY pricing\n}\n\nif S3PricingClient::is_china_region(\"us-east-1\") {\n    // false - use new() for USD pricing\n}\n```\n\n**Note**: AWS China regions require AWS credentials configured for the China partition. The pricing API endpoint is `api.pricing.cn-northwest-1.amazonaws.com.cn`.\n\n## ⚙️ Configuration\n\n### Cache Behavior\n\nThe library uses a two-tier caching strategy:\n\n1. **Positive Cache**: Successful price lookups cached with 1-hour TTL\n2. **Negative Cache**: Failed lookups cached with 5-minute TTL to prevent repeated API calls\n\nCache capacity:\n- Positive cache: 1000 entries\n- Negative cache: 500 entries\n\n### Performance Optimizations\n\n- **Static Filter Caching**: Commonly used filters are cached using `OnceLock`\n- **Early Return**: Price extraction returns immediately when first-tier price is found\n- **Efficient JSON Parsing**: Uses `serde_json::Value` for filtering instead of string matching\n- **Region Validation**: Type-safe region validation catches errors early\n\n## 🔍 Examples\n\n### Compare Pricing Across Regions\n\n```rust\nuse s3_pricing::S3PricingClient;\nuse anyhow::Result;\n\n#[tokio::main]\nasync fn main() -\u003e Result\u003c()\u003e {\n    let client = S3PricingClient::new(None).await?;\n    let regions = [\"us-east-1\", \"eu-west-1\", \"ap-northeast-1\"];\n    \n    for region in \u0026regions {\n        let price = client.get_storage_price(region, \"STANDARD\").await?;\n        println!(\"{}: ${:.4} per GB-month\", region, price);\n    }\n    \n    Ok(())\n}\n```\n\n### Multi-Storage Class Comparison\n\n```rust\n#[tokio::main]\nasync fn main() -\u003e Result\u003c()\u003e {\n    let client = S3PricingClient::new(None).await?;\n    let storage_classes = [\"STANDARD\", \"STANDARD_IA\", \"GLACIER\"];\n    \n    for class in \u0026storage_classes {\n        client.display_pricing(\"us-east-1\", class, None).await?;\n    }\n    \n    Ok(())\n}\n```\n\n## 🛠️ Development\n\n### Prerequisites\n\n- Rust 1.93.0 or later\n- AWS credentials configured\n\n### Building from Source\n\n```bash\ngit clone https://github.com/bartleboeuf/s3-pricing.git\ncd s3-pricing\ncargo build\n```\n\n### Running Tests\n\n```bash\ncargo test\n```\n\n### Code Quality\n\n```bash\n# Run clippy for linting\ncargo clippy -- -D warnings\n\n# Format code\ncargo fmt\n```\n\n## 📊 Performance Benchmarks\n\n| Optimization | Improvement |\n|--------------|-------------|\n| Negative caching | ~30-50% fewer API calls |\n| Static filter caching | ~10-15% fewer allocations |\n| Early return extraction | ~50% faster price extraction |\n| Efficient JSON filtering | ~20-30% faster lookups |\n\n## ⚠️ Important Notes\n\n- **Pricing API Endpoints**:\n  - Global regions: `api.pricing.us-east-1.amazonaws.com`\n  - China regions: `api.pricing.cn-northwest-1.amazonaws.com.cn`\n- **Currency**: Prices are returned in USD for global regions, CNY for China regions.\n- **Pricing Tiers**: The library returns first-tier (base) pricing where available.\n- **Cache TTL**: Prices are cached for 1 hour. Restart the application to fetch fresh data.\n- **China Regions**: Requires AWS credentials configured for the China partition.\n\n## 📄 License\n\nThis project is licensed under the MIT License - see the [LICENSE](LICENSE) file for details.\n\n## 🤝 Contributing\n\nContributions are welcome! Please feel free to submit a Pull Request.\n\n1. Fork the repository\n2. Create your feature branch (`git checkout -b feature/amazing-feature`)\n3. Commit your changes (`git commit -m 'Add some amazing feature'`)\n4. Push to the branch (`git push origin feature/amazing-feature`)\n5. Open a Pull Request\n\n## 📞 Support\n\n- **Documentation**: [docs.rs/s3-pricing](https://docs.rs/s3-pricing)\n- **Issues**: [GitHub Issues](https://github.com/bartleboeuf/s3-pricing/issues)\n- **Repository**: [github.com/bartleboeuf/s3-pricing](https://github.com/bartleboeuf/s3-pricing)\n\n## 🙏 Acknowledgments\n\n- Built on the [AWS SDK for Rust](https://github.com/awslabs/aws-sdk-rust)\n- Caching powered by [quick-cache](https://crates.io/crates/quick_cache)\n- Error handling with [anyhow](https://crates.io/crates/anyhow)\n\n## 📦 Dependencies\n\n- `aws-sdk-pricing` - AWS Pricing API client\n- `aws-config` - AWS configuration and credentials\n- `tokio` - Async runtime\n- `serde_json` - JSON parsing\n- `anyhow` - Error handling\n- `quick_cache` - Fast in-memory caching\n\n---\n\n*Last updated: March 14, 2026*\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fbartleboeuf%2Fs3-pricing","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fbartleboeuf%2Fs3-pricing","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fbartleboeuf%2Fs3-pricing/lists"}