CA-314717 Explicit stdout and stderr for scan services

Since these are kicked by a pipe, explicitly prevent systemd from putting their stdout and stderr on the same pipe so that they can't kick themselves. Signed-off-by: Tim Smith <tim.smith@citrix.com>
xapi-project · Apr 10, 2019 · 8a49006 · 8a49006
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diff --git a/systemd/mpathcount.service b/systemd/mpathcount.service
@@ -3,5 +3,7 @@ Description=Multipath scanner
 
 [Service]
 StandardInput=socket
+StandardOutput=null
+StandardError=journal
 ExecStart=/usr/bin/sh -c '. /etc/xensource-inventory; while dd of=/dev/null bs=4096 count=1 status=none conv=noerror; do /opt/xensource/sm/mpathcount.py; done'
 Restart=always
diff --git a/systemd/usb-scan.service b/systemd/usb-scan.service
@@ -3,5 +3,7 @@ Description=USB device scanner
 
 [Service]
 StandardInput=socket
+StandardOutput=null
+StandardError=journal
 ExecStart=/usr/bin/sh -c '. /etc/xensource-inventory; while dd of=/dev/null bs=4096 count=1 status=none conv=noerror; do /opt/xensource/bin/xe pusb-scan host-uuid=$${INSTALLATION_UUID}; done'
 Restart=always