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Istio in Action
book

Istio in Action

by Rinor Maloku, Christian E. Posta
March 2022
Intermediate to advanced content levelIntermediate to advanced
480 pages
13h 18m
English
Manning Publications
Content preview from Istio in Action

14 Extending Istio on the request path

This chapter covers

  • Understanding Envoy filters
  • Using Istio’s EnvoyFilter resource to configure Envoy directly
  • Using Lua to customize the request path
  • Using WebAssembly to customize the request path

As you’ve seen throughout this book, Istio can bring a lot of value to organizations with its application-networking functionality. Organizations adopting Istio will likely have other constraints or assumptions that Istio may not fulfill out of the box. You will likely need to extend Istio’s capabilities to more nicely fit within these constraints.

As we saw in chapter 3, and reinforced throughout the book, the Envoy proxy is a foundational component of the Istio service mesh. Envoy is the service proxy that ...

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