From a1ce98a14d7f2dee4898097f0efb28e62c366e10 Mon Sep 17 00:00:00 2001
From: Micke Nordin <kano@sunet.se>
Date: Tue, 14 Feb 2023 12:07:43 +0100
Subject: [PATCH] Makeswap script

---
 manifests/scriptreceiver.pp              |  2 +-
 templates/scriptreceiver/makeswap.erb.sh | 12 ++++++++++++
 2 files changed, 13 insertions(+), 1 deletion(-)
 create mode 100644 templates/scriptreceiver/makeswap.erb.sh

diff --git a/manifests/scriptreceiver.pp b/manifests/scriptreceiver.pp
index d417440..a67d760 100644
--- a/manifests/scriptreceiver.pp
+++ b/manifests/scriptreceiver.pp
@@ -4,7 +4,7 @@ class sunetdrive::scriptreceiver()
   sunet::system_user {'script': username => 'script', group => 'script', managehome => true, shell => '/bin/bash' }
 
   # These tasks correspond to a ${task}.erb.sh template
-  $tasks = ['list_users', 'list_files_for_user', 'create_bucket', 'backup_db', 'purge_backups', 'maintenancemode', 'restart_sunet_service', 'start_sentinel', 'stop_sentinel']
+  $tasks = ['list_users', 'list_files_for_user', 'create_bucket', 'backup_db', 'purge_backups', 'maintenancemode', 'restart_sunet_service', 'start_sentinel', 'stop_sentinel', 'makeswap']
 
   $environment = sunetdrive::get_environment()
   $config = hiera_hash($environment)
diff --git a/templates/scriptreceiver/makeswap.erb.sh b/templates/scriptreceiver/makeswap.erb.sh
new file mode 100644
index 0000000..000d857
--- /dev/null
+++ b/templates/scriptreceiver/makeswap.erb.sh
@@ -0,0 +1,12 @@
+#!/bin/bash
+
+if ! [[ -f /swapfile ]]; then
+  gb=$(free --gibi| grep Mem: | awk '{print $2}')
+  fallocate -l "${gb}G" /swapfile
+  chmod 600 /swapfile
+  mkswap /swapfile
+  swapon /swapfile
+  if ! grep -E '^(#)?/swapfile' /etc/fstab; then
+    echo '/swapfile none swap sw 0 0' >> /etc/fstab
+  fi
+fi