1 files changed, 51 insertions, 0 deletions
diff --git a/prometheus_pacman_exporter/metrics.py b/prometheus_pacman_exporter/metrics.py
new file mode 100644
index 0000000..f8a99fd
--- /dev/null
+++ b/prometheus_pacman_exporter/metrics.py
@@ -0,0 +1,51 @@
+# SPDX-FileCopyrightText: 2026 Dennis Fink <me+coding@dennisfink.me>
+#
+# SPDX-License-Identifier: BSD-3-Clause
+
+"""Prometheus metric definitions for the pacman exporter."""
+
+from prometheus_client import CollectorRegistry, Gauge
+
+REGISTRY = CollectorRegistry(auto_describe=True)
+
+INSTALLED_PACKAGES = Gauge(
+    "pacman_installed_packages",
+    "The current number of installed packages",
+    registry=REGISTRY,
+)
+UPDATEABLE_PACKAGES = Gauge(
+    "pacman_updateable_packages",
+    "The current number of updateable packages",
+    registry=REGISTRY,
+)
+EXPLICIT_PACKAGES = Gauge(
+    "pacman_explicit_packages",
+    "The current number of explicitly installed packages",
+    registry=REGISTRY,
+)
+DEPENDS_PACKAGES = Gauge(
+    "pacman_depends_packages",
+    "The current number of packages installed as dependencies",
+    registry=REGISTRY,
+)
+UNREQUIRED_PACKAGES = Gauge(
+    "pacman_unrequired_packages",
+    "The current number of unrequired packages",
+    registry=REGISTRY,
+)
+FOREIGN_PACKAGES = Gauge(
+    "pacman_foreign_packages",
+    "The current number of foreign packages",
+    registry=REGISTRY,
+)
+NATIVE_PACKAGES = Gauge(
+    "pacman_native_packages", "The current number of native packages", registry=REGISTRY
+)
+ORPHAN_PACKAGES = Gauge(
+    "pacman_orphan_packages", "The current number of orphan packages", registry=REGISTRY
+)
+AUR_UPDATEABLE_PACKAGES = Gauge(
+    "pacman_aur_updateable_packages",
+    "The current number of updates packages from the AUR",
+    registry=REGISTRY,
+)