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setup grafana db

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XenGi 2026-02-17 18:51:36 +01:00
parent 5d70cf127d
commit f35facbcef
Signed by: xengi
SSH key fingerprint: SHA256:jxWM2RTHvxxcncXycwwWkP7HCWb4VREN05UGJTbIPZg
7 changed files with 63 additions and 27 deletions
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100
hosts/monitoring/prometheus.nix Normal file
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@ -0,0 +1,100 @@
{ config, pkgs, lib, ... }:
{
services.prometheus = {
enable = true;
retentionTime = "14d";
listenAddress = "[::1]";
exporters = {
node = {
enable = true;
listenAddress = config.services.prometheus.listenAddress;
};
nginx = {
enable = true;
listenAddress = config.services.prometheus.listenAddress;
};
#postgres = {};
};
scrapeConfigs = [
{
job_name = "synapse";
scrape_interval = "15s";
metrics_path = "/_synapse/metrics";
static_configs = [{ targets = [ "matrix.berlin.ccc.de:443" ]; }];
}
{
job_name = "node";
scrape_interval = "15s";
static_configs = [
{
targets = [
"matrix.berlin.ccc.de:${toString config.services.prometheus.exporters.node.port}"
"md.berlin.ccc.de:${toString config.services.prometheus.exporters.node.port}"
"sql.berlin.ccc.de:${toString config.services.prometheus.exporters.node.port}"
"${config.services.prometheus.exporters.node.listenAddress}:${toString config.services.prometheus.exporters.node.port}"
];
}
];
}
{
job_name = "nginx";
scrape_interval = "15s";
static_configs = [
{
targets = [
"matrix.berlin.ccc.de:${toString config.services.prometheus.exporters.nginx.port}"
"md.berlin.ccc.de:${toString config.services.prometheus.exporters.nginx.port}"
"${config.services.prometheus.exporters.nginx.listenAddress}:${toString config.services.prometheus.exporters.nginx.port}"
];
}
];
}
{
job_name = "postgres";
scrape_interval = "15s";
static_configs = [{ targets = [ "sql.berlin.ccc.de:${config.services.prometheus.exporters.postgres.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'
'')
];
};
}