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improve all the things

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XenGi 2026-02-08 12:38:34 +01:00
parent 7cbd49fe42
commit 0357003655
Signed by: xengi
SSH key fingerprint: SHA256:dM+fLZGsDvyv6kunjE8bGduL24VsCFB4LEOSdmRHdG0
10 changed files with 171 additions and 41 deletions
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88
hosts/monitoring/prometheus.nix Normal file
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@ -0,0 +1,88 @@
{ config, pkgs, lib, ... }:
{
services.prometheus = {
enable = true;
retentionTime = "14d";
listenAddress = "[::1]";
scrapeConfigs = [
{
job_name = "hedgedoc";
scrape_interval = "15s";
scheme = "https";
static_configs = [{ targets = ["md.berlin.ccc.de:443"]; }];
}
{
job_name = "synapse";
scrape_interval = "15s";
static_configs = [{ targets = ["matrix.berlin.ccc.de:9009"]; }];
}
{
job_name = "node";
scrape_interval = "15s";
static_configs = [
{
targets = [
"matrix.${config.networking.domain}:${toString config.services.prometheus.exporters.node.port}"
"md.${config.networking.domain}:${toString config.services.prometheus.exporters.node.port}"
"postgres.${config.networking.domain}:${toString config.services.prometheus.exporters.node.port}"
"monitoring:${toString config.services.prometheus.exporters.node.port}"
];
}
];
}
{
job_name = "nginx";
scrape_interval = "15s";
static_configs = [
{
targets = [
"monitoring:${toString config.services.prometheus.exporters.nginx.port}"
"matrix:${toString config.services.prometheus.exporters.nginx.port}"
];
}
];
}
];
ruleFiles = [
# https://github.com/element-hq/synapse/tree/master/contrib/prometheus
(pkgs.writeText "prom-synapse-rules.yaml" ''
groups:
- name: synapse
rules:
- record: 'synapse_federation_client_sent'
labels:
type: "EDU"
expr: 'synapse_federation_client_sent_edus_total + 0'
- record: 'synapse_federation_client_sent'
labels:
type: "PDU"
expr: 'synapse_federation_client_sent_pdu_destinations_count_total + 0'
- record: 'synapse_federation_client_sent'
labels:
type: "Query"
expr: 'sum(synapse_federation_client_sent_queries) by (job)'
- record: 'synapse_federation_server_received'
labels:
type: "EDU"
expr: 'synapse_federation_server_received_edus_total + 0'
- record: 'synapse_federation_server_received'
labels:
type: "PDU"
expr: 'synapse_federation_server_received_pdus_total + 0'
- record: 'synapse_federation_server_received'
labels:
type: "Query"
expr: 'sum(synapse_federation_server_received_queries) by (job)'
- record: 'synapse_federation_transaction_queue_pending'
labels:
type: "EDU"
expr: 'synapse_federation_transaction_queue_pending_edus + 0'
- record: 'synapse_federation_transaction_queue_pending'
labels:
type: "PDU"
expr: 'synapse_federation_transaction_queue_pending_pdus + 0'
'')
];
};
}