bump(librdkafka): from v1.9.2 to v2.3.0 #5321
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sakoush
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Feb 15, 2024
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The jvm side doesn't use librdkafka afaik, but directly uses the jvm kafka-streams implementation. Converting this to a draft as I have seen model/pipeline gateway start issuing some certificate errors when testing with external kafka (and OAUTHBEARER). I need to evaluate the impact of those. |
- update needed for automatic re-authentication of kafka connections via SASL (used when connecting to Confluent Cloud via OAUTHBEARER)
librdkafka uses libcurl for fetching OIDC tokens. However, depending on OS, the location where the certs ca-bundle for validating the tls connection between librdkafka and the auth provider is searched differs. We now copy the ca cert bundle to multiple paths to make sure it is found. While this is a bit hacky, there are limited alternatives we can take because: - until now (with librdkafka 1.9.2) those certs were searched under /etc/ssl/certs/ca-certificates.crt but after the update they are searched under /etc/pki/tls/certs/ca-bundle.crt - libcurl doesn't get passed/doesn't respect the caCert location or .pem file set via librdkafka/kafka configs (see confluentinc/librdkafka#375). - there is no way clear way to influence the libcurl search path via env vars (setting the CURL_CA_BUNDLE env var has no effect), with search paths fully decided at compile-time. The likely chain of reasons this has popped-up when updating librdkafka to v2.3.0: - we're building {model, pipeline}gateway docker images based on debian bullseye image - we're copying the build results into redhat ubi9 container - libcurl was statically built in previous librdkafka, so was using the debian search paths on ubi9 - libcurl ends up being dynamically linked in the current librdkafka (to ubi9 version) or has changed its default ca bundle search path
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Update needed for automatic re-authentication of kafka connections via SASL (used when connecting to Confluent Cloud via OAUTHBEARER)