add nifi-registry package

packaging/alpine/local/nifi-registry/nifi-registry.initd

@@ -0,0 +1,26 @@
+#!/sbin/openrc-run
+
+description="Apache NiFi Registry service"
+
+supervisor=supervise-daemon
+name=nifi-registry
+command="/usr/lib/nifi-registry/bin/nifi-registry.sh"
+command_args="run"
+command_user="${NIFI_REGISTRY_USER:-nifi-registry}:${NIFI_REGISTRY_GROUP:-nifi-registry}"
+directory="/usr/lib/nifi-registry"
+pidfile="/run/nifi-registry/nifi-registry.pid"
+supervise_daemon_args="--chdir /usr/lib/nifi-registry --env HOME=/var/lib/nifi-registry --pidfile ${pidfile}"
+
+depend() {
+	need net
+	use dns logger
+}
+
+start_pre() {
+	local service_owner="${NIFI_REGISTRY_USER:-nifi-registry}:${NIFI_REGISTRY_GROUP:-nifi-registry}"
+
+	checkpath -d -m 0750 -o "$service_owner" \
+		/run/nifi-registry \
+		/var/lib/nifi-registry \
+		/var/log/nifi-registry
+}