feat(docker): add cron service (aurblup + mkpkglists)

Normally, these scripts are used to update official providers
in the aurweb database along with archives that can be retrieved.

Run both of these scripts in a 5 minute cron job, to both reflect
the live instance database and production load.

Signed-off-by: Kevin Morris <kevr@0cost.org>

docker-compose.yml

@@ -144,6 +144,19 @@ services:
     volumes:
       - git_data:/aurweb/aur.git
 
+  cron:
+    image: aurweb:latest
+    init: true
+    environment:
+      - AUR_CONFIG=/aurweb/conf/config
+    entrypoint: /docker/cron-entrypoint.sh
+    command: /docker/scripts/run-cron.sh
+    depends_on:
+      mariadb_init:
+        condition: service_started
+    volumes:
+      - mariadb_run:/var/run/mysqld
+
   php-fpm:
     image: aurweb:latest
     init: true
@@ -163,6 +176,8 @@ services:
         condition: service_healthy
       memcached:
         condition: service_healthy
+      cron:
+        condition: service_started
     volumes:
       - mariadb_run:/var/run/mysqld
     ports:
@@ -190,6 +205,8 @@ services:
         condition: service_healthy
       redis:
         condition: service_healthy
+      cron:
+        condition: service_started
     volumes:
       - mariadb_run:/var/run/mysqld
     ports:

docker/config/aurweb-cron

@@ -0,0 +1,2 @@
+*/5 * * * * aurweb-aurblup
+*/5 * * * * aurweb-mkpkglists

docker/cron-entrypoint.sh

@@ -0,0 +1,16 @@
+#!/bin/bash
+set -eou pipefail
+
+# Prepare AUR_CONFIG.
+cp -vf conf/config.dev conf/config
+sed -i "s;YOUR_AUR_ROOT;$(pwd);g" conf/config
+
+# Create directories we need.
+mkdir -p /aurweb/aurblup
+
+# Install the cron configuration.
+cp /docker/config/aurweb-cron /etc/cron.d/aurweb-cron
+chmod 0644 /etc/cron.d/aurweb-cron
+crontab /etc/cron.d/aurweb-cron
+
+exec "$@"

docker/scripts/install-deps.sh

@@ -8,7 +8,7 @@ pacman -Syu --noconfirm --noprogressbar \
     --cachedir .pkg-cache git gpgme nginx redis openssh \
       mariadb mariadb-libs cgit-aurweb uwsgi uwsgi-plugin-cgi \
       php php-fpm memcached php-memcached python-pip pyalpm \
-      python-srcinfo curl libeatmydata
+      python-srcinfo curl libeatmydata cronie
 
 # https://python-poetry.org/docs/ Installation section.
 curl -sSL https://raw.githubusercontent.com/python-poetry/poetry/master/get-poetry.py | python -

docker/scripts/run-cron.sh

@@ -0,0 +1,7 @@
+#!/bin/bash
+
+cd /aurweb
+aurweb-aurblup
+aurweb-mkpkglists
+
+exec /usr/bin/crond -n