Enhance manual machine cleanup script

achilleasa · achilleasa · commit 113be283de67 · 2020-05-22T14:40:32.000+01:00
The updated script ensures that the systemd service files for juju are
always deleted. Additionally, the script also detects and cleans up the
juju-db snap if installed (2.8+).
diff --git a/cloudconfig/userdatacfg_unix.go b/cloudconfig/userdatacfg_unix.go
@@ -76,6 +76,7 @@ for path_to_unit in $(ls /etc/systemd/system/juju*); do
   systemctl stop "$unit"
   systemctl disable "$unit"
   systemctl daemon-reload
+  rm -f "$path_to_unit"
 done
 
 echo "removing /var/lib/juju/db/*"
@@ -86,6 +87,12 @@ rm -rf /var/lib/juju/raft/*
 
 echo "removing /var/run/juju/*"
 rm -rf /var/run/juju/*
+
+has_juju_db_snap=$(snap info juju-db | grep installed)
+if [ ! -z "$has_juju_db_snap" ]; then
+  echo "removing juju-db snap and any persisted database data"
+  snap remove --purge juju-db
+fi
 `
 )
 
