From 98ba428bb7c8ce2fc4bcc18fa262a29fe3bdfd04 Mon Sep 17 00:00:00 2001
From: mwiegand <mwiegand@seibert-media.net>
Date: Sat, 12 Feb 2022 16:58:44 +0100
Subject: [PATCH] wol-sleeper

---
 bundles/wol-sleeper/README.md   | 28 ++++++++++++++++++++
 bundles/wol-sleeper/metadata.py | 45 +++++++++++++++++++++++++++++++++
 groups/machine/hardware.py      |  1 +
 nodes/home.backups.py           |  1 +
 4 files changed, 75 insertions(+)
 create mode 100644 bundles/wol-sleeper/README.md
 create mode 100644 bundles/wol-sleeper/metadata.py

diff --git a/bundles/wol-sleeper/README.md b/bundles/wol-sleeper/README.md
new file mode 100644
index 0000000..2027e8e
--- /dev/null
+++ b/bundles/wol-sleeper/README.md
@@ -0,0 +1,28 @@
+# wake on lan
+
+## woken
+
+wol by magic packet
+
+```
+ethtool -s enp1s0 wol g
+```
+
+p  Wake on phy activity
+u  Wake on unicast messages
+m  Wake on multicast messages
+b  Wake on broadcast messages
+a  Wake on ARP
+g  Wake on MagicPacket(tm)
+s  Enable SecureOn(tm) password for MagicPacket(tm)
+d  Disable (wake on nothing).  This option clears all previous options.
+
+```
+systemctl suspend
+```
+
+## waker
+
+```
+wakeonlan d8:cb:8a:e7:be:c6
+```
diff --git a/bundles/wol-sleeper/metadata.py b/bundles/wol-sleeper/metadata.py
new file mode 100644
index 0000000..bcd9954
--- /dev/null
+++ b/bundles/wol-sleeper/metadata.py
@@ -0,0 +1,45 @@
+@metadata_reactor.provides(
+    'apt/packages/ethtool',
+    'systemd/units/enable-wol',
+    'systemd/services/enable-wol.service',
+)
+def systemd(metadata):
+    interfaces = set(
+        conf['interface']
+            for conf in metadata.get('network').values()
+            if conf.get('wol', False)
+    )
+    
+    if not interfaces:
+        return {}
+    
+    return {
+        'apt': {
+            'packages': {
+                'ethtool': {},
+            },
+        },
+        'systemd': {
+            'units': {
+                'enable-wol.service': {
+                    'Unit': {
+                        'After': 'network.target',
+                    },
+                    'Service': {
+                        'Type': 'oneshot',
+                        'RemainAfterExit': 'yes',
+                        'ExecStart': set(
+                            f"ethtool -s {conf['interface']} wol g"
+                                for itnerface in interfaces
+                        ),
+                    },
+                    'Install': {
+                        'WantedBy': 'multi-user.target',
+                    },
+                },
+            },
+            'services': {
+                'enable-wol.service': {},
+            },
+        },
+    }
diff --git a/groups/machine/hardware.py b/groups/machine/hardware.py
index fa8ac47..37b139e 100644
--- a/groups/machine/hardware.py
+++ b/groups/machine/hardware.py
@@ -1,5 +1,6 @@
 {
     'bundles': { 
         'hardware',
+        'wol-sleeper',
     },
 }
diff --git a/nodes/home.backups.py b/nodes/home.backups.py
index 406582a..d859922 100644
--- a/nodes/home.backups.py
+++ b/nodes/home.backups.py
@@ -18,6 +18,7 @@
                 'interface': 'enp1s0',
                 'ipv4': '10.0.0.5/24',
                 'gateway4': '10.0.0.1',
+                'wol': True,
             },
         },
         'backup-server': {