nix/services/promtail.nix

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{ config, pkgs, ... }: {
# Promtail Logging
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# Import the file:
sops.defaultSopsFile = ./secrets/secrets.yaml;
# Define the secrets
sops.secrets.promtail.user = {};
sops.secrets.promtail.pass = {};
sops.secrets.promtail.url = {};
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# Install the package
environment.systemPackages = with pkgs; [
promtail
];
# Configure the package:
# https://mynixos.com/nixpkgs/option/services.promtail.configuration
services.promtail = {
enable = true;
configuration = {
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server = {
http_listen_port = 3031;
grpc_listen_port = 0;
};
positions = {
filename = "/tmp/positions.yaml";
};
clients = [{
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url = config.sops.secrets.promtail.url.path;
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basic_auth = {
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username = config.sops.secrets.promtail.user.path;
password = config.sops.secrets.promtail.pass.path;
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};
}];
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scrape_configs = [{
job_name = "journal";
journal = {
max_age = "12h";
labels = {
job = "systemd-journal";
host = "nixos-p1";
};
};
relabel_configs = [{
source_labels = [ "__journal__systemd_unit" ];
target_label = "unit";
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}];
}];
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};
};
}