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In order to enable TLS connections between computes and safekeepers, we need to provide the control plane with a way to configure the various libpq keyword parameters, sslmode and sslrootcert. neon.safekeepers is a comma separated list of safekeepers formatted as host:port, so isn't available for extension in the same way that neon.pageserver_connstring is. This could be remedied in a future PR. Part-of: https://github.com/neondatabase/cloud/issues/25823 Link: https://www.postgresql.org/docs/current/libpq-connect.html#LIBPQ-PARAMKEYWORDS Signed-off-by: Tristan Partin <tristan@neon.tech>
neon extension consists of several parts:
shared preload library neon.so
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implements storage manager API and network communications with remote page server.
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walproposer: implements broadcast protocol between postgres and WAL safekeepers.
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control plane connector: Captures updates to roles/databases using ProcessUtility_hook and sends them to the control ProcessUtility_hook.
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remote extension server: Request compute_ctl to download extension files.
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file_cache: Local file cache is used to temporary store relations pages in local file system for better performance.
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relsize_cache: Relation size cache for better neon performance.
SQL functions in neon--*.sql
Utility functions to expose neon specific information to user and metrics collection. This extension is created in all databases in the cluster by default.