!17 [sync] PR-15: Fix the problem of failure to start node_exporter service

From: @openeuler-sync-bot 
Reviewed-by: @yangzhao_kl 
Signed-off-by: @yangzhao_kl

node_exporter.spec

@@ -2,7 +2,7 @@
 
 Name:           node_exporter
 Version:        1.7.0
-Release:        2
+Release:        3
 Summary:        Exporter for machine metrics
 License:        ASL 2.0
 URL:            https://github.com/prometheus/node_exporter
@@ -40,6 +40,12 @@ install -D -m 0755 node_exporter %{buildroot}%{_sbindir}/node_exporter
 install -D -m 0644 %{SOURCE2} %{buildroot}%{_unitdir}/node_exporter.service
 install -D -m 0644 %{SOURCE3} %{buildroot}%{_sysconfdir}/sysconfig/node_exporter
 
+%pre
+getent group node_exporter > /dev/null || groupadd -r node_exporter
+getent passwd node_exporter > /dev/null || \
+    useradd -rg node_exporter -d /var/lib/node_exporter -s /sbin/nologin \
+            -c "Prometheus node exporter" node_exporter
+
 %post
 %systemd_post node_exporter.service
 
@@ -57,6 +63,9 @@ install -D -m 0644 %{SOURCE3} %{buildroot}%{_sysconfdir}/sysconfig/node_exporter
 %config(noreplace)%{_sysconfdir}/sysconfig/node_exporter
 
 %changelog
+* Tue Apr 23 2024 jiangxinyu <jiangxinyu@kylinos.cn> - 1.7.0-3
+- Fix the problem of failure to start node_exporter service
+
 * Tue Feb 27 2024 Huang Yang <huangyang@loongson.cn> - 1.7.0-2
 - add loongarch64 support