From f2acc0a37b790cf49dce16e286e1c1f8dff1367f Mon Sep 17 00:00:00 2001
From: Sam Al-Sapti <sam@sapti.me>
Date: Sat, 11 Feb 2023 20:55:15 +0100
Subject: [PATCH] Avoid connection close when processing huge amounts of
 unchanged data

---
 roles/docker/tasks/services/restic_backup.yml | 8 ++++++++
 roles/docker/templates/restic.ssh.config.j2   | 3 +++
 2 files changed, 11 insertions(+)
 create mode 100644 roles/docker/templates/restic.ssh.config.j2

diff --git a/roles/docker/tasks/services/restic_backup.yml b/roles/docker/tasks/services/restic_backup.yml
index e482e26..1cdc6af 100644
--- a/roles/docker/tasks/services/restic_backup.yml
+++ b/roles/docker/tasks/services/restic_backup.yml
@@ -31,6 +31,14 @@
     mode: '0644'
     state: touch
 
+- name: Create SSH config
+  template:
+    src: restic.ssh.config.j2
+    dest: "{{ services.restic.volume_folder }}/ssh/config"
+    owner: root
+    group: root
+    mode: '0600'
+
 - name: Setup restic backup
   docker_compose:
     project_name: restic_backup
diff --git a/roles/docker/templates/restic.ssh.config.j2 b/roles/docker/templates/restic.ssh.config.j2
new file mode 100644
index 0000000..1b6b024
--- /dev/null
+++ b/roles/docker/templates/restic.ssh.config.j2
@@ -0,0 +1,3 @@
+Host {{ services.restic.domain }}
+    ServerAliveInterval 60
+    ServerAliveCountMax 240