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Revert "metrics: stop parsing prometheus labels from url"

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This reverts commit 1524b6b10c.

Prometheus doesn't allow scraping from uris only socketAddresses
The relabeling is to change the internal labels to trick it to read
from a url
This commit is contained in:
Daniel Lovbrotte Olsen 2023-01-20 05:04:16 +01:00
parent 1524b6b10c
commit efed13c810
2 changed files with 36 additions and 14 deletions
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27
hosts/ildkule/services/metrics/prometheus.nix
View File

@ -34,6 +34,33 @@ in {
url = "https://matrix.pvv.ntnu.no/metrics/config.json";
}
];
relabel_configs = [
{
source_labels = [ "__address__" ];
regex = "[^/]+(/.*)";
target_label = "__metrics_path__";
}
{
source_labels = [ "__address__" ];
regex = "([^/]+)/.*";
target_label = "instance";
}
{
source_labels = [ "__address__" ];
regex = "[^/]+\\/+[^/]+/(.*)/\\d+$";
target_label = "job";
}
{
source_labels = [ "__address__" ];
regex = "[^/]+\\/+[^/]+/.*/(\\d+)$";
target_label = "index";
}
{
source_labels = [ "__address__" ];
regex = "([^/]+)/.*";
target_label = "__address__";
}
];
}
];
ruleFiles = [ rules/synapse-v2.rules ];

23
hosts/jokum/services/matrix/synapse.nix
View File

@ -206,22 +206,17 @@ in {
};
locations."/metrics/" = let
# See https://github.com/matrix-org/synapse/blob/develop/docs/metrics-howto.md
staticConfigs = lib.pipe cfg.workers.instances [
endpoints = lib.pipe cfg.workers.instances [
(lib.mapAttrsToList (_: v: v))
# Add metrics for main process to the list of workers
(x: x ++ [{ type = "master"; index = 1; }])
(map (w: {
targets = [ "matrix.pvv.ntnu.no/metrics/${w.type}/${toString w.index}" ];
labels = {
instance = "matrix.pvv.ntnu.no";
job = w.type;
index = toString w.index;
};
}))
];
(map (w: "${w.type}/${toString w.index}"))
(map (w: "matrix.pvv.ntnu.no/metrics/${w}"))
] ++ [ "matrix.pvv.ntnu.no/metrics/master/1" ];
in {
alias = (pkgs.writeTextDir "/config.json" (builtins.toJSON staticConfigs)) + "/";
alias = pkgs.writeTextDir "/config.json"
(builtins.toJSON [
{ targets = endpoints;
labels = { };
}]) + "/";
};
})];
}