Create telemetry data directory in packaged examples

Reviewers: buda

Reviewed By: buda

Differential Revision: https://phabricator.memgraph.io/D1447

release/debian/postinst

@@ -27,8 +27,17 @@ case "$1" in
         chmod 750 /var/lib/memgraph || exit 1
         chown memgraph:adm /var/log/memgraph || exit 1
         chmod 750 /var/log/memgraph || exit 1
-        # Make examples directory immutable (optional)
-        chattr +i -R /usr/share/memgraph/examples || true
+
+        # Create telemetry directory in examples
+        for i in /usr/share/memgraph/examples/*; do
+            # The telemetry directory may already exist from some prior installation
+            if [ ! -d $i/telemetry ]; then
+                mkdir $i/telemetry || exit 1
+            fi
+            chown -R memgraph:memgraph $i/telemetry || exit 1
+            # Make snapshots directory immutable (optional)
+            chattr +i -R $i/snapshots || true
+        done
 
         # Generate SSL certificates
         if [ ! -d /etc/memgraph/ssl ]; then

release/debian/postrm

@@ -26,6 +26,16 @@ case "$1" in
         for var_file in $var_files; do
             rm -rf $var_file
         done
+        # Remove generated SSL certificates
+        if [ -d /etc/memgraph/ssl ]; then
+            rm -rf /etc/memgraph/ssl
+        fi
+        # Remove stored telemetry data
+        for i in /usr/share/memgraph/examples/*; do
+            if [ -d $i/telemetry ]; then
+                rm -rf $i/telemetry
+            fi
+        done
         # Don't remove the 'memgraph' user, since we cannot be sure whether it
         # existed before.
     ;;