From f0612746c03cad47fab228d1250c43363da50b09 Mon Sep 17 00:00:00 2001
From: clerie <git@clerie.de>
Date: Sat, 22 Feb 2025 22:25:57 +0100
Subject: [PATCH] Enable monitoring on clerie.uber.space

---
 .../files/prometheus-node-exporter.ini        |  8 ++++
 bundles/uberspace-clerie-monitoring/items.py  | 47 +++++++++++++++++++
 nodes.py                                      |  2 +
 3 files changed, 57 insertions(+)
 create mode 100644 bundles/uberspace-clerie-monitoring/files/prometheus-node-exporter.ini
 create mode 100644 bundles/uberspace-clerie-monitoring/items.py

diff --git a/bundles/uberspace-clerie-monitoring/files/prometheus-node-exporter.ini b/bundles/uberspace-clerie-monitoring/files/prometheus-node-exporter.ini
new file mode 100644
index 0000000..d2baa9b
--- /dev/null
+++ b/bundles/uberspace-clerie-monitoring/files/prometheus-node-exporter.ini
@@ -0,0 +1,8 @@
+[program:prometheus-node-exporter]
+command=prometheus-node-exporter
+    --web.listen-address 0.0.0.0:9100
+    --collector.disable-defaults
+    --collector.textfile
+    --collector.textfile.directory=/home/{{ node.username }}/.local/state/prometheus-node-exporter/textfiles
+    --collector.time
+startsecs=60
diff --git a/bundles/uberspace-clerie-monitoring/items.py b/bundles/uberspace-clerie-monitoring/items.py
new file mode 100644
index 0000000..31c1db8
--- /dev/null
+++ b/bundles/uberspace-clerie-monitoring/items.py
@@ -0,0 +1,47 @@
+uberspaceify = repo.libs.uberspace.Uberspaceify(node)
+
+directories = uberspaceify.directories({
+    f'/home/{node.username}/.local/state/prometheus-node-exporter/textfiles': {
+    },
+})
+
+files = uberspaceify.files({
+    f'/home/{node.username}/.bwdownloads/prometheus-node-exporter.tar.gz': {
+        "content_type": "download",
+        "source": "https://github.com/prometheus/node_exporter/releases/download/v1.9.0/node_exporter-1.9.0.linux-amd64.tar.gz",
+        "content_hash": "847bd800f3cae9c8e613c9d2fb59ffc7bb3eb764",
+        "triggers": [
+            "action:prometheus-node-exporter-install",
+        ],
+    },
+    f"/home/{node.username}/etc/services.d/prometheus-node-exporter.ini": {
+        "source": "prometheus-node-exporter.ini",
+        "content_type": "jinja2",
+        "triggers": [
+            "action:supervisord-reread",
+            "svc_uberspace_supervisord:prometheus-node-exporter:update",
+        ],
+    },
+})
+
+actions["prometheus-node-exporter-exists"] = {
+    "command": 'true',
+    "unless": f'[[ -f "/home/{node.username}/bin/prometheus-node-exporter" && -x "/home/{node.username}/bin/prometheus-node-exporter" ]]',
+    "triggers": [
+        "action:prometheus-node-exporter-install",
+    ],
+}
+
+actions["prometheus-node-exporter-install"] = {
+    "command": f'tar -xf /home/{node.username}/.bwdownloads/prometheus-node-exporter.tar.gz node_exporter*/node_exporter --to-stdout > /home/{node.username}/bin/prometheus-node-exporter && chmod +x /home/{node.username}/bin/prometheus-node-exporter',
+    "triggered": True,
+    "needs": [
+        f"file:/home/{node.username}/.bwdownloads/prometheus-node-exporter.tar.gz",
+    ],
+}
+
+svc_uberspace_supervisord["prometheus-node-exporter"] = {
+    "needs": [
+        f"file:/home/{node.username}/etc/services.d/prometheus-node-exporter.ini",
+    ],
+}
diff --git a/nodes.py b/nodes.py
index e25f68a..0eebeb2 100644
--- a/nodes.py
+++ b/nodes.py
@@ -36,7 +36,9 @@ nodes = uberspaceify.nodes({
         "bundles": (
             "uberspace-redirect-clerie",
             "uberspace-clerie-backup",
+            "uberspace-clerie-monitoring",
             "uberspace-crontab-dir",
+            "uberspace-supervisord",
         ),
         "metadata": {
             "clerie-backup": {