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Add installed_extensions prometheus metric (#9608)

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and add /metrics endpoint to compute_ctl to expose such metrics

metric format example for extension pg_rag
with versions 1.2.3 and 1.4.2
installed in 3 and 1 databases respectively:

neon_extensions_installed{extension="pg_rag", version="1.2.3"} = 3
neon_extensions_installed{extension="pg_rag", version="1.4.2"} = 1

------
infra part: https://github.com/neondatabase/flux-fleet/pull/251
---------

Co-authored-by: Tristan Partin <tristan@neon.tech>
This commit is contained in:
Anastasia Lubennikova
2024-11-13 10:36:48 +01:00
committed by GitHub
parent 7595d3afe6
commit 080d585b22
7 changed files with 138 additions and 5 deletions
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3
Cargo.lock generated
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@@ -1229,12 +1229,15 @@ dependencies = [
"flate2",
"futures",
"hyper 0.14.30",
"metrics",
"nix 0.27.1",
"notify",
"num_cpus",
"once_cell",
"opentelemetry",
"opentelemetry_sdk",
"postgres",
"prometheus",
"regex",
"remote_storage",
"reqwest 0.12.4",