89 lines
2.9 KiB
Nix
89 lines
2.9 KiB
Nix
{ config, pkgs, lib, ... }:
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{
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services.prometheus = {
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enable = true;
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retentionTime = "14d";
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listenAddress = "[::1]";
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exporters = {
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node = {
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enable = true;
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listenAddress = config.services.prometheus.listenAddress;
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};
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nginx = {
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enable = true;
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listenAddress = config.services.prometheus.listenAddress;
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};
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#postgres = {};
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};
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scrapeConfigs = [
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{
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job_name = "synapse";
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scrape_interval = "15s";
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static_configs = [
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{
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targets = lib.pipe config.services.matrix-synapse.settings.listeners [
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(lib.filter (l: l.type == "metrics"))
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builtins.head
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(l: [ "[${builtins.head l.bind_addresses}]:${toString l.port}" ])
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];
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}
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];
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}
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{
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job_name = "node";
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scrape_interval = "15s";
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static_configs = [
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{ targets = [ "${config.services.prometheus.exporters.node.listenAddress}:${toString config.services.prometheus.exporters.node.port}" ]; }
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];
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}
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{
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job_name = "nginx";
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scrape_interval = "15s";
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static_configs = [
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{ targets = [ "${config.services.prometheus.exporters.nginx.listenAddress}:${toString config.services.prometheus.exporters.nginx.port}" ]; }
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];
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}
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];
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ruleFiles = [
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# https://github.com/element-hq/synapse/tree/master/contrib/prometheus
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(pkgs.writeText "prom-synapse-rules.yaml" ''
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groups:
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- name: synapse
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rules:
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- record: 'synapse_federation_client_sent'
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labels:
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type: "EDU"
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expr: 'synapse_federation_client_sent_edus_total + 0'
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- record: 'synapse_federation_client_sent'
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labels:
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type: "PDU"
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expr: 'synapse_federation_client_sent_pdu_destinations_count_total + 0'
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- record: 'synapse_federation_client_sent'
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labels:
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type: "Query"
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expr: 'sum(synapse_federation_client_sent_queries) by (job)'
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- record: 'synapse_federation_server_received'
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labels:
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type: "EDU"
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expr: 'synapse_federation_server_received_edus_total + 0'
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- record: 'synapse_federation_server_received'
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labels:
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type: "PDU"
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expr: 'synapse_federation_server_received_pdus_total + 0'
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- record: 'synapse_federation_server_received'
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labels:
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type: "Query"
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expr: 'sum(synapse_federation_server_received_queries) by (job)'
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- record: 'synapse_federation_transaction_queue_pending'
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labels:
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type: "EDU"
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expr: 'synapse_federation_transaction_queue_pending_edus + 0'
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- record: 'synapse_federation_transaction_queue_pending'
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labels:
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type: "PDU"
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expr: 'synapse_federation_transaction_queue_pending_pdus + 0'
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'')
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];
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};
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}
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