From: Rafael dos Santos Silva <xfalcox@gmail.com>
Date: Tue, 12 May 2020 21:33:43 +0000 (-0300)
Subject: Fix disk detection units
X-Git-Url: https://vcs.fsf.org/?a=commitdiff_plain;h=882358d54a62fb53458d60ee25f939b7c398dccf;p=discourse_docker.git

Fix disk detection units

df was reporting bytes while du was reporting Kilobytes.
---

diff --git a/templates/postgres.template.yml b/templates/postgres.template.yml
index 6731da0..0528256 100644
--- a/templates/postgres.template.yml
+++ b/templates/postgres.template.yml
@@ -62,8 +62,8 @@ run:
 
        if [ ! "12" = "$PG_MAJOR_OLD" ]; then
          echo Upgrading PostgreSQL from version ${PG_MAJOR_OLD} to 12
-         free_disk=$(df /shared | tail -n 1 | awk '{print $4}')
-         required=$(($(du -s /shared/postgres_data | awk '{print $1}') * 2))
+         free_disk=$(df -P /shared | tail -n 1 | awk '{print $4}')
+         required=$(($(du -sb /shared/postgres_data | awk '{print $1}') * 2))
 
          if [ "$free_disk" -lt "$required" ]; then
           echo "WARNING: Upgrading PostgresSQL would require an addtional $(numfmt --to=si $(($required - $free_disk))) of disk space"