toxy - Hackable HTTP proxy for resiliency testing and simulated network conditions

•    Javascript

---

Hackable HTTP proxy to simulate server failure scenarios, resiliency and unexpected network conditions, built for node.js.It was mainly designed for failure resistance testing, when toxy becomes particularly useful in order to cover fault tolerance and resiliency capabilities of a system, especially in disruption-tolerant networks and service-oriented architectures, where toxy may act as MitM proxy among services in order to inject failure.

http-proxy proxy reactive failure simulation network resiliency failover testing retry http toxic fault tolerant resilient fuzz evil unexpected backoff latency jitter distributed soa

chevrotain - Parser Building Toolkit for JavaScript

•    TypeScript

---

Chevrotain is a blazing fast and feature rich Parser Building Toolkit for JavaScript. It can be used to build parsers/compilers/interpreters for various use cases ranging from simple configuration files, to full fledged programing languages. A more in depth description of Chevrotain can be found in this great article on: Parsing in JavaScript: Tools and Libraries.

typescript parser-library parsing grammars tokenizer open-source parser syntax lexical analysis grammar lexer generator compiler fault tolerant

angular-resilient - Use $http as a resilient, failover and client-side balanced HTTP client

•    Javascript

---

Use $http as a resilient, failover and client-side balanced HTTP client

resilient reactive balancer discovering servers dynamic balance balancing discover responsive fault tolerant fallback consul angular

resilient-consul - Resilient.js middleware to use Consul for service discovery and balancing

•    Javascript

---

Resilient HTTP middleware for Consul service discovery and balancing

fault tolerant balance ajax http https xhr request client agent distributed resilience reactive hydra balancer rest fallback consul

schema.js - Sophisticated JSON schema based data validation and adaptation

•    Javascript

---

When writing a new schema, you can use the file PROPERTY_OVERVIEW_02 to get a quick overview over all supported properties. With this little utility, you create a secure JavaScript function with an implicit schema.

json-schema schema data validation tolerant adaptation agile

resilient.js - Fault tolerant and reactive HTTP client for node.js and browsers

•    Javascript

---

A reactive HTTP client for node.js and browsers designed for distributed systems, providing fault tolerance capabilities with transparent server fallback, dynamic server discovery (e.g: using Consul), request retry/backoff logic, optional client-side balancing based on empirical server latency and more... Provides a simple middleware-oriented programmatic API and featured command-line interface. It has been designed to be lightweight (just ~2K SLOC. 9KB gzipped) and dependency free.

nodejs consul http-client discovery retry backoff failover balancer balancing fault tolerant balance ajax http https xhr request client agent distributed resilience reactive hydra rest fallback