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-rwxr-xr-xcontrib/cirrus/packer/systemd_banish.sh28
1 files changed, 28 insertions, 0 deletions
diff --git a/contrib/cirrus/packer/systemd_banish.sh b/contrib/cirrus/packer/systemd_banish.sh
new file mode 100755
index 000000000..396cf906c
--- /dev/null
+++ b/contrib/cirrus/packer/systemd_banish.sh
@@ -0,0 +1,28 @@
+#!/bin/bash
+
+set +e # Not all of these exist on every platform
+
+# This is intended to be executed on VMs as a startup script on initial-boot.
+# Alternativly, it may be executed with the '--list' option to return the list
+# of systemd units defined for disablement (useful for testing).
+
+EVIL_UNITS="cron crond atd apt-daily-upgrade apt-daily fstrim motd-news systemd-tmpfiles-clean"
+
+if [[ "$1" == "--list" ]]
+then
+ echo "$EVIL_UNITS"
+ exit 0
+fi
+
+echo "Disabling periodic services that could destabilize testing:"
+for unit in $EVIL_UNITS
+do
+ echo "Banishing $unit (ignoring errors)"
+ (
+ sudo systemctl stop $unit
+ sudo systemctl disable $unit
+ sudo systemctl disable $unit.timer
+ sudo systemctl mask $unit
+ sudo systemctl mask $unit.timer
+ ) &> /dev/null
+done