Files
AZ-NIX-SERVERS/hosts/AZ-PRM-1/services/monitoring/alloy.nix
T
2026-07-10 13:10:58 +02:00

93 lines
2.1 KiB
Nix

{
config,
lib,
...
}: let
lokiPort = config.m3ta.ports.get "loki";
alloyPort = config.m3ta.ports.get "alloy";
in {
services.alloy = {
enable = true;
configPath = "/etc/alloy";
extraFlags = [
"--server.http.listen-addr=127.0.0.1:${toString alloyPort}"
"--disable-reporting"
];
};
environment.etc."alloy/config.alloy".text = ''
loki.relabel "journal" {
forward_to = []
rule {
source_labels = ["__journal__systemd_unit"]
target_label = "unit"
}
rule {
source_labels = ["__journal_priority_keyword"]
target_label = "level"
}
rule {
source_labels = ["__journal_syslog_identifier"]
target_label = "syslog_identifier"
}
}
loki.source.journal "system" {
forward_to = [loki.process.journal.receiver]
relabel_rules = loki.relabel.journal.rules
labels = {
host = "AZ-PRM-1",
environment = "prod",
}
}
loki.process "journal" {
forward_to = [loki.write.local.receiver]
stage.json {
expressions = {
app = "app",
service = "service",
level = "level",
trace_id = "trace_id",
session_id = "session_id",
n8n_execution_id = "execution_id",
workflow_id = "workflow_id",
execution_id = "execution_id",
message = "message",
}
drop_malformed = false
}
stage.labels {
values = {
app = "",
service = "",
level = "",
}
}
stage.structured_metadata {
values = {
trace_id = "",
session_id = "",
n8n_execution_id = "",
workflow_id = "",
execution_id = "",
}
}
}
loki.write "local" {
endpoint {
url = "http://127.0.0.1:${toString lokiPort}/loki/api/v1/push"
}
}
'';
systemd.services.alloy.serviceConfig.SupplementaryGroups = lib.mkAfter ["adm"];
}