Releases · solo-io/envoy-gloo

New Features

This PR adds 2 major features: 1. The ability to run the transformation_filter as an upstream_filter. This means that it can be set either in the upstream_cluster or the router_filter. This is especially useful for perofrming transformations which require running on each retry, or which use endpoint metadata. A new filter was also added called the wait_filter, this filter allows buffering the request until endpoint_metadata has become available via a callback. This is important for using one of the newly introuced functions. 2. In order to allow using endpoint metadata, 2 new template functions were added to the inja transformer: - host_metadata(key, optional<filter>): This function allows you to access the metadata of the upstream host. - dynamic_metadata(key, optional<filter>): This function allows accessing the dynamic metadata of the stream. (#342)
Add a new inja template function to count the words in a json message. The new function word_count, can handle any json type, including nested json messages and will count all the words in the message. (#343)

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