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nixos/promtail,promtail: remove because promtail is EOL

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Promtail reached its end of life on 2026-03-02. Its code has been
removed by upstream with the release of grafana-loki 3.7.x.
This commit is contained in:
emilylange
2026-03-30 19:57:07 +02:00
parent 9356a6a137
commit 5e0917082b
7 changed files with 17 additions and 144 deletions
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nixos/doc/manual/release-notes/rl-2605.section.md
+4
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@@ -173,6 +173,10 @@ of pulling the upstream container image from Docker Hub. If you want the old beh
If you need to rotate, a [3rd-party tool, `grafana-secretkey-rotation-tool`](https://github.com/erooke/grafana-secretkey-rotation-tool/tree/d9dc788902fa5185e15cb15ce6129f7237ab6138) is a tested option.
When using a secret for this value, make sure to use [Grafana's variable expansion to inject secrets](https://grafana.com/docs/grafana/latest/setup-grafana/configure-grafana/#variable-expansion).
- `services.promtail` has been removed, as `promtail` reached its end of life.
Consider migrating to [](#opt-services.alloy.enable), or, if you are looking for something light-weight, [](#opt-services.fluent-bit.enable).
See <https://grafana.com/docs/alloy/latest/set-up/migrate/> or <https://docs.fluentbit.io/manual/data-pipeline/outputs/loki>.
- Ethercalc and its associated module have been removed, as the package is unmaintained and cannot be installed from source with npm now.
- `services.immich` no longer supports pgvecto.rs since the package has been removed from nixpkgs.
nixos/modules/module-list.nix
-1
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@@ -745,7 +745,6 @@
./services/logging/logcheck.nix
./services/logging/logrotate.nix
./services/logging/logstash.nix
./services/logging/promtail.nix
./services/logging/rsyslogd.nix
./services/logging/syslog-ng.nix
./services/logging/syslogd.nix
nixos/modules/rename.nix
+11
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@@ -221,6 +221,17 @@ in
]
"The grafana-agent module has been removed. Consider migrating to `grafana-alloy` (`services.alloy.enable`). See <https://grafana.com/docs/alloy/latest/set-up/migrate/>"
)
(mkRemovedOptionModule
[
"services"
"promtail"
]
''
The promtail module has been removed, as promtail reached its end of life.
Consider migrating to `grafana-alloy` (`services.alloy.enable`), or, if you are looking for something light-weight, `fluent-bit` (`services.fluent-bit.enable`).
See <https://grafana.com/docs/alloy/latest/set-up/migrate/> or <https://docs.fluentbit.io/manual/data-pipeline/outputs/loki>.
''
)
(mkRemovedOptionModule [ "services" "homeassistant-satellite" ]
"The `services.homeassistant-satellite` module has been replaced by `services.wyoming-satellite`."
)
nixos/modules/services/logging/promtail.nix
-119
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@@ -1,119 +0,0 @@
{
config,
lib,
pkgs,
...
}:
with lib;
let
cfg = config.services.promtail;
format = pkgs.formats.json { };
prettyJSON =
conf:
with lib;
pipe conf [
(flip removeAttrs [ "_module" ])
(format.generate "promtail-config.json")
];
allowSystemdJournal =
cfg.configuration ? scrape_configs && lib.any (v: v ? journal) cfg.configuration.scrape_configs;
allowPositionsFile = !lib.hasPrefix "/var/cache/promtail" positionsFile;
positionsFile = cfg.configuration.positions.filename;
configFile = if cfg.configFile != null then cfg.configFile else prettyJSON cfg.configuration;
in
{
options.services.promtail = with types; {
enable = mkEnableOption "the Promtail ingresser";
configuration = mkOption {
type = format.type;
description = ''
Specify the configuration for Promtail in Nix.
This option will be ignored if `services.promtail.configFile` is defined.
'';
};
configFile = mkOption {
type = nullOr path;
default = null;
description = ''
Config file path for Promtail.
If this option is defined, the value of `services.promtail.configuration` will be ignored.
'';
};
extraFlags = mkOption {
type = listOf str;
default = [ ];
example = [ "--server.http-listen-port=3101" ];
description = ''
Specify a list of additional command line flags,
which get escaped and are then passed to Loki.
'';
};
};
config = mkIf cfg.enable {
services.promtail.configuration.positions.filename = mkDefault "/var/cache/promtail/positions.yaml";
systemd.services.promtail = {
description = "Promtail log ingress";
wantedBy = [ "multi-user.target" ];
stopIfChanged = false;
serviceConfig = {
Restart = "on-failure";
TimeoutStopSec = 10;
ExecStartPre = "${lib.getExe pkgs.promtail} -config.file=${configFile} -check-syntax";
ExecStart = "${pkgs.promtail}/bin/promtail -config.file=${configFile} ${escapeShellArgs cfg.extraFlags}";
ProtectSystem = "strict";
ProtectHome = true;
PrivateTmp = true;
PrivateDevices = true;
ProtectKernelTunables = true;
ProtectControlGroups = true;
RestrictSUIDSGID = true;
PrivateMounts = true;
CacheDirectory = "promtail";
ReadWritePaths = lib.optional allowPositionsFile (dirOf positionsFile);
User = "promtail";
Group = "promtail";
CapabilityBoundingSet = "";
NoNewPrivileges = true;
ProtectKernelModules = true;
SystemCallArchitectures = "native";
ProtectKernelLogs = true;
ProtectClock = true;
LockPersonality = true;
ProtectHostname = true;
RestrictRealtime = true;
MemoryDenyWriteExecute = true;
PrivateUsers = true;
SupplementaryGroups = lib.optional allowSystemdJournal "systemd-journal";
}
// (optionalAttrs (!pkgs.stdenv.hostPlatform.isAarch64) {
# FIXME: figure out why this breaks on aarch64
SystemCallFilter = "@system-service";
});
};
users.groups.promtail = { };
users.users.promtail = {
description = "Promtail service user";
isSystemUser = true;
group = "promtail";
};
};
}
pkgs/by-name/gr/grafana-loki/package.nix
+1 -15
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@@ -1,12 +1,9 @@
{
stdenv,
lib,
buildGoModule,
fetchFromGitHub,
makeWrapper,
nix-update-script,
nixosTests,
systemd,
testers,
grafana-loki,
}:
@@ -28,21 +25,10 @@ buildGoModule (finalAttrs: {
# TODO split every executable into its own package
"cmd/loki"
"cmd/loki-canary"
"clients/cmd/promtail"
"cmd/logcli"
"cmd/lokitool"
];
tags = [ "promtail_journal_enabled" ];
nativeBuildInputs = [ makeWrapper ];
buildInputs = lib.optionals stdenv.hostPlatform.isLinux [ systemd.dev ];
preFixup = lib.optionalString stdenv.hostPlatform.isLinux ''
wrapProgram $out/bin/promtail \
--prefix LD_LIBRARY_PATH : "${lib.getLib systemd}/lib"
'';
passthru = {
tests = {
inherit (nixosTests) loki;
@@ -71,7 +57,7 @@ buildGoModule (finalAttrs: {
meta = {
description = "Like Prometheus, but for logs";
mainProgram = "promtail";
mainProgram = "loki";
license = with lib.licenses; [
agpl3Only
asl20
pkgs/by-name/pr/promtail/package.nix
-9
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@@ -1,9 +0,0 @@
{ grafana-loki }:
grafana-loki.overrideAttrs (previousAttrs: {
pname = "promtail";
subPackages = [ "clients/cmd/promtail" ];
env = previousAttrs.env or { } // {
CGO_ENABLED = 1;
};
})
pkgs/top-level/aliases.nix
+1
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@@ -1643,6 +1643,7 @@ mapAliases {
proj_7 = throw "proj_7 has been removed, as it was broken and unused"; # Added 2025-09-16
prometheus-dmarc-exporter = throw "'prometheus-dmarc-exporter' has been renamed to/replaced by 'dmarc-metrics-exporter'"; # Converted to throw 2025-10-27
prometheus-dovecot-exporter = throw "'prometheus-dovecot-exporter' has been renamed to/replaced by 'dovecot_exporter'"; # Converted to throw 2025-10-27
promtail = throw "promtail has been removed, as it reached its end of life. Consider migrating to 'grafana-alloy' or 'fluent-bit'"; # Added 2026-03-30
protobuf3_21 = throw "'protobuf3_21' has been renamed to/replaced by 'protobuf_21'"; # Converted to throw 2025-10-27
protobuf3_24 = throw "'protobuf_24' has been removed from nixpkgs. Consider using a more recent version of the protobuf library"; # Added 2025-07-14
protobuf_24 = throw "'protobuf_24' has been removed from nixpkgs. Consider using a more recent version of the protobuf library"; # Added 2025-07-14