fix(systemd): Make default paths for runtime config and RPC socket compatible with systemd

Signed-off-by: Steffen Vogel <post@steffenvogel.de>

docs/config/config.md

@@ -41,7 +41,7 @@ Please have a look at the [`cunicu config`](../usage/md/cunicu_config.md) comman
 
 Currently, not all settings are runtime tunable.
 
-Changed settings via the `cunicu config set` command are persisted in a runtime configuration file at `/var/lib/cunicu.runtime.yaml`.
+Changed settings via the `cunicu config set` command are persisted in a runtime configuration file at `/var/lib/cunicu/runtime.yaml`.
 So runtime changes will also be taken into account for subsequent starts of the daemon.
 
 ## DNS Auto-configuration

etc/cunicu.advanced.yaml

@@ -21,7 +21,7 @@ backends:
 rpc:
   # Path to a Unix socket for management
   # and monitoring of the cunicu daemon.
-  socket: /var/run/cunicu.sock
+  socket: /run/cunicu.sock
 
   # Start of cunīcu daemon will block until
   # its unblocked via the control socket.

etc/cunicu.schema.yaml

@@ -104,7 +104,7 @@ $defs:
             description: |
               Path to a Unix socket for management and monitoring of the cunīcu daemon.
             type: string
-            default: /var/run/cunicu.sock
+            default: /run/cunicu.sock
 
           wait:
             description: |

pkg/config/defaults.go

@@ -18,8 +18,6 @@ import (
 )
 
 const (
-	DefaultSocketPath = "/var/run/cunicu.sock"
-
 	// Ephemeral Port Range (RFC6056 Sect. 2.1)
 	EphemeralPortMin = (1 << 15) + (1 << 14)
 	EphemeralPortMax = (1 << 16) - 1

pkg/config/defaults_nonunix.go

@@ -0,0 +1,11 @@
+// SPDX-FileCopyrightText: 2023 Steffen Vogel <post@steffenvogel.de>
+// SPDX-License-Identifier: Apache-2.0
+
+//go:build !unix
+
+package config
+
+const DefaultSocketPath = "cunicu.sock"
+
+//nolint:gochecknoglobals
+var RuntimeConfigFile = "runtime.yaml"

pkg/config/defaults_unix.go

@@ -1,7 +1,11 @@
 // SPDX-FileCopyrightText: 2023-2024 Steffen Vogel <post@steffenvogel.de>
 // SPDX-License-Identifier: Apache-2.0
 
+//go:build unix
+
 package config
 
+const DefaultSocketPath = "/run/cunicu.sock"
+
 //nolint:gochecknoglobals
-var RuntimeConfigFile = "/var/lib/cunicu.runtime.yaml"
+var RuntimeConfigFile = "/var/lib/cunicu/runtime.yaml"

test/e2e/nodes/agent.go

@@ -96,7 +96,7 @@ func NewAgent(m *g.Network, name string, opts ...g.Option) (*Agent, error) {
 func (a *Agent) Start(_, dir string, args ...any) (err error) {
 	cfgPath := fmt.Sprintf("%s/%s.yaml", dir, a.Name())
 	logPath := fmt.Sprintf("%s/%s.log", dir, a.Name())
-	rpcPath := fmt.Sprintf("/var/run/cunicu.%s.sock", a.Name())
+	rpcPath := fmt.Sprintf("/run/cunicu.%s.sock", a.Name())
 
 	// Create agent configuration
 	cfg := a.Config.Copy()