From 3eb9b83189845d73fc54d1d65b0856b088304ed2 Mon Sep 17 00:00:00 2001
From: Florian Pritz <bluewind@xinu.at>
Date: Thu, 1 Dec 2016 16:05:36 +0100
Subject: Add new scripts

Signed-off-by: Florian Pritz <bluewind@xinu.at>
---
 upgrade_pg.sh | 41 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 41 insertions(+)
 create mode 100644 upgrade_pg.sh

(limited to 'upgrade_pg.sh')

diff --git a/upgrade_pg.sh b/upgrade_pg.sh
new file mode 100644
index 0000000..21ee18a
--- /dev/null
+++ b/upgrade_pg.sh
@@ -0,0 +1,41 @@
+#!/bin/bash
+set -e
+
+## Set the old version that we want to upgrade from.
+TO_VERSION=$(pacman -Q postgresql | grep -Po '(?<=postgresql )[0-9]\.[0-9]')
+to_major=$(echo "$TO_VERSION" | awk -F'.' '{print $1}')
+to_minor=$(echo "$TO_VERSION" | awk -F'.' '{print $2}')
+if [[ ${to_major} -ne 9 ]]; then
+	echo "WARNING: major upgrade detected, aborting..."
+	exit 1
+fi
+from_major="${to_major}"
+from_minor="$((to_minor - 1))"
+export FROM_VERSION="${from_major}.${from_minor}"
+
+# free space check
+used_space=$(df --local --output=pcent /var/lib/postgres/ | grep -Po '[0-9]{1,3}(?=%)')
+if [[ ${used_space} -ge 50 ]]; then
+	echo "ERROR: not enough free space for upgrade with backup, aborting..."
+	exit 2
+fi
+
+pacman -S --needed postgresql-old-upgrade
+chown postgres:postgres /var/lib/postgres/
+if [[ -d "/var/lib/postgres/data-${FROM_VERSION}" ]]; then
+	echo "ERROR: backup data-${FROM_VERSION} directory already exists, aborting..."
+	exit 3
+fi
+su - postgres -c "mv /var/lib/postgres/data /var/lib/postgres/data-${FROM_VERSION}"
+su - postgres -c 'mkdir /var/lib/postgres/data'
+su - postgres -c "initdb --locale $LANG -E UTF8 -D /var/lib/postgres/data"
+vimdiff "/var/lib/postgres/data/pg_hba.conf" "/var/lib/postgres/data-${FROM_VERSION}/pg_hba.conf"
+vimdiff "/var/lib/postgres/data/postgresql.conf" "/var/lib/postgres/data-${FROM_VERSION}/postgresql.conf"
+cp -avx "/var/lib/postgres/data-${FROM_VERSION}/server.crt" "/var/lib/postgres/data/server.crt"
+cp -avx "/var/lib/postgres/data-${FROM_VERSION}/server.key" "/var/lib/postgres/data/server.key"
+systemctl stop postgresql.service
+su - postgres -c "pg_upgrade -b /opt/pgsql-${FROM_VERSION}/bin/ -B /usr/bin/ -d /var/lib/postgres/data-${FROM_VERSION} -D /var/lib/postgres/data"
+systemctl daemon-reload
+systemctl start postgresql.service
+su - postgres -c '/var/lib/postgres/analyze_new_cluster.sh'
+su - postgres -c '/var/lib/postgres/delete_old_cluster.sh'
-- 
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