April 2023
Intermediate to advanced
418 pages
9h 22m
English
Content preview from Bootstrapping Service Mesh Implementations with Istio
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9
Extending Istio Data Plane
Istio provides various APIs to manage data plane traffic. There is one API called EnvoyFilter that we have not yet used. The EnvoyFilter API provides a means to customize the istio-proxy configuration generated by the Istio control plane. Using the EnvoyFilter API, you can directly use Envoy filters even if they are not directly supported by Istio APIs.
There is another API called WasmPlugins, which is another mechanism to extend the istio-proxy functionality WebAssembly (Wasm) support is becoming common for proxies such as Envoy to enable developers to build extensions.
In this chapter, we will discuss these two topics; however, the content on EnvoyFilter will be brief, as you have already learned about filters ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.