From 552cce1dc45bd21a6ed8589d5e0e872e711e2d22 Mon Sep 17 00:00:00 2001
From: Andrea Dell'Amico <adellam@sevenseas.org>
Date: Fri, 8 Apr 2016 19:24:35 +0200
Subject: [PATCH] library/roles/postgresql: Scripts to regularly cleanup the
 WAL archives.

---
 .../postgresql_wal_backup_and_removal.j2        | 17 +++++++++++++++++
 postgresql/templates/wal_archive_cleanup.j2     |  6 ++++++
 2 files changed, 23 insertions(+)
 create mode 100644 postgresql/templates/postgresql_wal_backup_and_removal.j2
 create mode 100644 postgresql/templates/wal_archive_cleanup.j2

diff --git a/postgresql/templates/postgresql_wal_backup_and_removal.j2 b/postgresql/templates/postgresql_wal_backup_and_removal.j2
new file mode 100644
index 00000000..bdb4ae20
--- /dev/null
+++ b/postgresql/templates/postgresql_wal_backup_and_removal.j2
@@ -0,0 +1,17 @@
+#!/bin/bash
+
+BASE_BACKUP_DIR=/var/lib/pgsql/base_backup
+WAL_ARCHIVES_LOG_DIR=/var/lib/postgresql/9.5/archive_log
+WAL_LATEST_BACKUP=
+
+# The base backup dir needs to be empty
+
+rm -f $BASE_BACKUP_DIR/*
+pg_basebackup -F t -z -D /var/lib/pgsql/base_backup
+
+cd $WAL_ARCHIVES_LOG_DIR
+WAL_LATEST_BACKUP=$( /bin/ls -1 *.backup | sort | tail -1 )
+pg_archivecleanup $WAL_ARCHIVES_LOG_DIR $WAL_LATEST_BACKUP
+
+exit $?
+
diff --git a/postgresql/templates/wal_archive_cleanup.j2 b/postgresql/templates/wal_archive_cleanup.j2
new file mode 100644
index 00000000..76792740
--- /dev/null
+++ b/postgresql/templates/wal_archive_cleanup.j2
@@ -0,0 +1,6 @@
+#!/bin/bash
+
+su - postgres -c "/usr/local/sbin/postgresql_wal_backup_and_removal > /var/log/postgresql/wal_removal.log 2>&1"
+
+exit 0
+