From b4d111871d70c6f02e536d1e85a0dfa28404cbf1 Mon Sep 17 00:00:00 2001
From: Karol Wypchlo <kwypchlo@gmail.com>
Date: Tue, 15 Mar 2022 23:20:55 +0100
Subject: [PATCH] remove nginx prune script

---
 scripts/README.md                          |  6 -----
 scripts/lib/nginx-prune-cache-subscript.sh | 30 ----------------------
 scripts/nginx-prune.sh                     |  9 -------
 setup-scripts/support/crontab              |  1 -
 4 files changed, 46 deletions(-)
 delete mode 100755 scripts/lib/nginx-prune-cache-subscript.sh
 delete mode 100755 scripts/nginx-prune.sh

diff --git a/scripts/README.md b/scripts/README.md
index 2085eff7..e7b909b4 100644
--- a/scripts/README.md
+++ b/scripts/README.md
@@ -29,12 +29,6 @@ the health check.
 The `portal-upgrade.sh` script upgrades the docker images for a portal and
 clears and leftover images.
 
-**nginx-prune.sh**\
-The `nginx-prune.sh` script deletes all entries from nginx cache larger than
-the given size and smaller entries until nginx cache disk size is smaller than
-the given cache size limit. Both values are configured in
-`lib/nginx-prune-cache-subscript.sh`. The script doesn't require `sudo`.
-
 ## Webportal Upgrade Procedures
 
 TODO...
diff --git a/scripts/lib/nginx-prune-cache-subscript.sh b/scripts/lib/nginx-prune-cache-subscript.sh
deleted file mode 100755
index 99edb899..00000000
--- a/scripts/lib/nginx-prune-cache-subscript.sh
+++ /dev/null
@@ -1,30 +0,0 @@
-#!/usr/local/bin/bash
-
-# This subscript is expected to be run inside docker container using 'bash'
-# image. The image is based on Alpine Linux. It's tools (find, stat, awk, sort)
-# are non-standard versions from BusyBox.
-
-MAX_CACHE_DIR_SIZE=20000000000
-MAX_KEEP_FILE_SIZE=1000000000
-
-total=0
-
-# We sort files by time, newest files are first. Format is:
-# time (last modification as seconds since Epoch), filepath, size (bytes)
-find /home/user/skynet-webportal/docker/data/nginx/cache -type f -exec stat -c "%Y %n %s" {} + | sort -rgk1 | while read line
-do
-    size=$(echo $line | awk '{print $3}')
-    new_total=$(($total + $size))
-
-    # We always delete all files larger than MAX_KEEP_FILE_SIZE.
-    # We keep all files smaller than MAX_KEEP_FILE_SIZE when cache size is
-    # below MAX_CACHE_DIR_SIZE, then we delete also smaller files.
-    if (("$size" <= "$MAX_KEEP_FILE_SIZE" && "$new_total" < "$MAX_CACHE_DIR_SIZE"))
-    then
-        total=$new_total
-        continue
-    fi
-
-    filename=$(echo $line | awk '{print $2}')
-    rm $filename
-done
diff --git a/scripts/nginx-prune.sh b/scripts/nginx-prune.sh
deleted file mode 100755
index ea5a1384..00000000
--- a/scripts/nginx-prune.sh
+++ /dev/null
@@ -1,9 +0,0 @@
-#!/bin/bash
-
-# We execute the nginx cache pruning subscript from docker container so that we
-# can run the pruning script in user crontab without sudo.
-docker run --rm -v /home/user:/home/user bash /home/user/skynet-webportal/scripts/lib/nginx-prune-cache-subscript.sh
-
-# Some cache files are deleted, but are kept open, we hot reload nginx to get
-# them closed and removed from filesystem.
-docker exec nginx nginx -s reload
diff --git a/setup-scripts/support/crontab b/setup-scripts/support/crontab
index 2181d09c..7fffdfb9 100644
--- a/setup-scripts/support/crontab
+++ b/setup-scripts/support/crontab
@@ -5,4 +5,3 @@
 44 5 * * * /home/user/skynet-webportal/scripts/backup-aws-s3.sh 1>>/home/user/skynet-webportal/logs/backup-aws-s3.log 2>>/home/user/skynet-webportal/logs/backup-aws-s3.log
 6 13 * * * /home/user/skynet-webportal/scripts/db_backup.sh 1>>/home/user/skynet-webportal/logs/db_backup.log 2>>/home/user/skynet-webportal/logs/db_backup.log
 0 5 * * * /home/user/skynet-webportal/scripts/es_cleaner.py 1 http://localhost:9200
-15 * * * * /home/user/skynet-webportal/scripts/nginx-prune.sh