chore: more defensive handling of pg_egress_collect symlink in AIO (#1004)

Author: pcnc

common.vars.pkr.hcl

@@ -1 +1 @@
-postgres-version = "15.1.1.63"
+postgres-version = "15.1.1.64"

docker/all-in-one/init/configure-pg_egress_collect.sh

@@ -4,6 +4,11 @@ set -eou pipefail
 PG_EGRESS_COLLECT_FILE=/tmp/pg_egress_collect.txt
 
 if [ "${DATA_VOLUME_MOUNTPOINT:-}" != "" ]; then
-  touch "${DATA_VOLUME_MOUNTPOINT}/pg_egress_collect.txt"
-  ln -s "${DATA_VOLUME_MOUNTPOINT}/pg_egress_collect.txt" $PG_EGRESS_COLLECT_FILE
+  if [ ! -L $PG_EGRESS_COLLECT_FILE ]; then
+    if [ -f $PG_EGRESS_COLLECT_FILE ]; then
+      rm -f $PG_EGRESS_COLLECT_FILE
+    fi
+    touch "${DATA_VOLUME_MOUNTPOINT}/pg_egress_collect.txt"
+    ln -s "${DATA_VOLUME_MOUNTPOINT}/pg_egress_collect.txt" $PG_EGRESS_COLLECT_FILE
+  fi
 fi