deb package: add grafana-agent user to adm and systemd-journal groups

Closes grafana#737
rfratto · Jul 22, 2021 · 8b059e5 · 8b059e5
1 parent 1a880a3
commit 8b059e5
Showing 1 changed file with 9 additions and 1 deletion.
diff --git a/packaging/deb/control/postinst b/packaging/deb/control/postinst
@@ -14,7 +14,15 @@ case "$1" in
             groupadd -r "$GRAFANA_AGENT_GROUP"
         fi
         if ! getent passwd "$GRAFANA_AGENT_USER" > /dev/null 2>&1 ; then
-            useradd -m -r -g grafana-agent -d /var/lib/grafana-agent -s /sbin/nologin -c "grafana-agent user" grafana-agent
+            useradd -m -r -g "$GRAFANA_AGENT_GROUP" -d /var/lib/grafana-agent -s /sbin/nologin -c "grafana-agent user" "$GRAFANA_AGENT_USER"
+        fi
+
+        # Add grafana agent user to groups used for reading logs.
+        if ! getent group adm > /dev/null 2>&1 ; then
+            usermod -a -G adm "$GRAFANA_AGENT_USER"
+        fi
+        if ! getent group systemd-journal > /dev/null 2>&1 ; then
+            usermod -a -G systemd-journal "$GRAFANA_AGENT_USER"
         fi
 
         chmod 640 /etc/grafana-agent.yaml