---
Updates per Konstantin's feedback:

* Use -trimpath for go build
* Prefix conf.d variable names with prometheus_
* Use error_log and output_log, drop supervise_daemon_args
* Drop pidfile
* Fix prometheus user/group creation in pre-install

 community/prometheus/APKBUILD               | 53 +++++++++++++++++++++
 community/prometheus/prometheus.confd       |  5 ++
 community/prometheus/prometheus.initd       | 17 +++++++
 community/prometheus/prometheus.pre-install |  4 ++
 4 files changed, 79 insertions(+)
 create mode 100644 community/prometheus/APKBUILD
 create mode 100644 community/prometheus/prometheus.confd
 create mode 100644 community/prometheus/prometheus.initd
 create mode 100644 community/prometheus/prometheus.pre-install

diff --git a/community/prometheus/APKBUILD b/community/prometheus/APKBUILD
new file mode 100644
index 0000000000..1e979b6c15
--- /dev/null
+++ b/community/prometheus/APKBUILD
@@ -0,0 +1,53 @@
+# Maintainer: Drew DeVault <sir@cmpwn.com>
+pkgname=prometheus
+pkgver=2.14.0
+pkgrel=0
+pkgdesc="The Prometheus monitoring system and time series database"
+url="https://github.com/prometheus/prometheus"
+arch="all"
+license="Apache-2.0"
+install="prometheus.pre-install"
+makedepends="go"
+source="
+	$pkgname-$pkgver.tar.gz::https://github.com/prometheus/prometheus/archive/v$pkgver.tar.gz
+	prometheus.confd
+	prometheus.initd
+"
+subpackages="$pkgname-openrc"
+builddir="$srcdir/$pkgname-$pkgver"
+options="!check" # Broken by integrations we don't care about
+
+build() {
+	go build \
+		-trimpath \
+		-mod=vendor \
+		-ldflags "-extldflags $LDFLAGS" \
+		./cmd/prometheus
+	go build \
+		-trimpath \
+		-mod=vendor \
+		-ldflags "-extldflags $LDFLAGS" \
+		./cmd/promtool
+}
+
+check() {
+	go test ./...
+}
+
+package() {
+	install -Dm755 prometheus "$pkgdir"/usr/bin/prometheus
+	install -Dm755 promtool "$pkgdir"/usr/bin/promtool
+
+	install -Dm644 "$srcdir"/prometheus.confd \
+		"$pkgdir"/etc/conf.d/prometheus
+	install -Dm755 "$srcdir"/prometheus.initd \
+		"$pkgdir"/etc/init.d/prometheus
+	install -dm644 "$pkgdir"/var/lib/prometheus/data
+
+	install -Dm644 -t "$pkgdir"/etc/prometheus \
+		documentation/examples/prometheus.yml
+}
+
+sha512sums="077d83ef06a6ef77b6aa0d47ef0aa276f50b89c818f6cbe0163a4167d0ceb7fbcaf828a6341ba91cde303a0c6c7e2440de99ea0500a48a9059adb37a34a78a7a  prometheus-2.14.0.tar.gz
+6e0edcae0c64b319926b2cbe92b59be51b00fde15f83098bfe9f622a71d60598aa87d26aaec802716ace17e399900cb05b106087ab28e5dd4eff5106c0f1cbfc  prometheus.confd
+c1ea20d4ac29e193efd20ca814134913136cc7d67bc4ddc6c8cf07898764542565445b8d149bb56a84ca2fe8d4ad11caa66feb162e772df26f2411c59b0bc9d4  prometheus.initd"
diff --git a/community/prometheus/prometheus.confd b/community/prometheus/prometheus.confd
new file mode 100644
index 0000000000..75c0b5f3f6
--- /dev/null
+++ b/community/prometheus/prometheus.confd
@@ -0,0 +1,5 @@
+prometheus_config_file=/etc/prometheus/prometheus.yml
+prometheus_storage_path=/var/lib/prometheus/data
+
+output_log=/var/log/prometheus.log
+error_log=/var/log/prometheus.log
diff --git a/community/prometheus/prometheus.initd b/community/prometheus/prometheus.initd
new file mode 100644
index 0000000000..d41243e73c
--- /dev/null
+++ b/community/prometheus/prometheus.initd
@@ -0,0 +1,17 @@
+#!/sbin/openrc-run
+name="prometheus"
+description="prometheus monitoring system & time series database"
+supervisor=supervise-daemon
+command=/usr/bin/prometheus
+command_args="--config.file=$config_file \
+	--storage.tsdb.path=$storage_path"
+command_user="prometheus:prometheus"
+
+start_pre() {
+	[ -n "$output_log" ] && checkpath -f "$output_log" \
+		-m 644 -o prometheus:prometheus
+	[ -n "$error_log" ] && checkpath -f "$error_log" \
+		-m 644 -o prometheus:prometheus
+	checkpath -f "$prometheus_config_file" -m 740 -o prometheus:prometheus
+	checkpath -d "$prometheus_storage_path" -m 755 -o prometheus:prometheus
+}
diff --git a/community/prometheus/prometheus.pre-install b/community/prometheus/prometheus.pre-install
new file mode 100644
index 0000000000..004fd0bcb9
--- /dev/null
+++ b/community/prometheus/prometheus.pre-install
@@ -0,0 +1,4 @@
+#!/bin/sh
+grep '^prometheus:' /etc/group >/dev/null || addgroup -S prometheus 2>/dev/null
+grep '^prometheus:' /etc/passwd >/dev/null || adduser -SDh/var/lib/prometheus \
+	-s/sbin/nologin -Gprometheus -gprometheus prometheus prometheus 2>/dev/null
-- 
2.24.0