From 9b27898a0dcd938264a20d967cd41ad69dccdae7 Mon Sep 17 00:00:00 2001
From: Vitaliy Kukharik <37010174+vitabaks@users.noreply.github.com>
Date: Tue, 21 Nov 2023 14:29:18 +0300
Subject: [PATCH] PgBackRest: Enable asynchronous WAL archiving (#515)

---
 roles/pgbackrest/tasks/main.yml | 12 ++++++++++++
 vars/main.yml                   |  6 +++++-
 2 files changed, 17 insertions(+), 1 deletion(-)

diff --git a/roles/pgbackrest/tasks/main.yml b/roles/pgbackrest/tasks/main.yml
index 819821318..8af4bb4d2 100644
--- a/roles/pgbackrest/tasks/main.yml
+++ b/roles/pgbackrest/tasks/main.yml
@@ -106,6 +106,18 @@
   tags: pgbackrest, pgbackrest_install
 
 - block:
+    - name: Ensure spool directory exist
+      ansible.builtin.file:
+        path: "{{ item.value }}"
+        state: directory
+        owner: postgres
+        group: postgres
+        mode: "0750"
+      loop: "{{ pgbackrest_conf.global }}"
+      when: item.option == 'spool-path'
+      loop_control:
+        label: "{{ item.value }}"
+
     - name: Ensure config directory exist
       ansible.builtin.file:
         path: "{{ pgbackrest_conf_file | dirname }}"
diff --git a/vars/main.yml b/vars/main.yml
index 6ed612d95..d59dd37b7 100644
--- a/vars/main.yml
+++ b/vars/main.yml
@@ -489,7 +489,7 @@ pgbackrest_repo_type: "posix"  # or "s3", "gcs", "azure"
 pgbackrest_repo_host: ""  # dedicated repository host (optional)
 pgbackrest_repo_user: "postgres"
 pgbackrest_conf_file: "/etc/pgbackrest/pgbackrest.conf"
-# see more options https://pgbackrest.org/configuration.html
+# config https://pgbackrest.org/configuration.html
 pgbackrest_conf:
   global:  # [global] section
     - { option: "log-level-file", value: "detail" }
@@ -504,6 +504,10 @@ pgbackrest_conf:
     - { option: "stop-auto", value: "y" }
     - { option: "resume", value: "n" }
     - { option: "link-all", value: "y" }
+    - { option: "spool-path", value: "/var/spool/pgbackrest" }
+    - { option: "archive-async", value: "y" } # Enables asynchronous WAL archiving (details: https://pgbackrest.org/user-guide.html#async-archiving)
+    - { option: "archive-get-queue-max", value: "1GiB" }
+#    - { option: "archive-push-queue-max", value: "100GiB" }
 #    - { option: "", value: "" }
   stanza:  # [stanza_name] section
     - { option: "pg1-path", value: "{{ postgresql_data_dir }}" }