Merge #1268

1268: Roundcube db r=Nebukadneza a=micw

## What type of PR?

feature

## What does this PR do?

- makes roundcube work with mysql
- runs db init/upgrade scripts on startup
- redirects roundcube logs to stdout

### Related issue(s)
- preparations to solve #1226
- closes #1157 (side effect ;-) )

## Prerequistes

- [x] Unless it's docs or a minor change: add [changelog](https://mailu.io/master/contributors/guide.html#changelog) entry file.


Co-authored-by: Michael Wyraz <michael@wyraz.de>
Co-authored-by: micw <michael@wyraz.de>

towncrier/newsfragments/1268.feature

@@ -0,0 +1 @@
+The roundcube container does support mysql now (no setup integration yet)

webmails/roundcube/Dockerfile

@@ -19,9 +19,9 @@ RUN pip3 install socrate
 ENV ROUNDCUBE_URL https://github.com/roundcube/roundcubemail/releases/download/1.4.3/roundcubemail-1.4.3-complete.tar.gz
 
 RUN apt-get update && apt-get install -y \
-      zlib1g-dev libzip4 libzip-dev \
+      zlib1g-dev libzip4 libzip-dev libpq-dev \
       python3-jinja2 \
- && docker-php-ext-install zip \
+ && docker-php-ext-install zip pdo_mysql pdo_pgsql \
  && echo date.timezone=UTC > /usr/local/etc/php/conf.d/timezone.ini \
  && rm -rf /var/www/html/ \
  && cd /var/www \

webmails/roundcube/config.inc.php

@@ -3,7 +3,7 @@
 $config = array();
 
 // Generals
-$config['db_dsnw'] = 'sqlite:////data/roundcube.db';
+$config['db_dsnw'] = getenv('DB_DSNW');;
 $config['temp_dir'] = '/tmp/';
 $config['des_key'] = getenv('SECRET_KEY');
 $config['cipher_method'] = 'AES-256-CBC';

webmails/roundcube/start.py

@@ -4,16 +4,61 @@ import os
 import logging as log
 import sys
 from socrate import conf
+import subprocess
 
 log.basicConfig(stream=sys.stderr, level=os.environ.get("LOG_LEVEL", "WARNING"))
 
 os.environ["MAX_FILESIZE"] = str(int(int(os.environ.get("MESSAGE_SIZE_LIMIT"))*0.66/1048576))
 
+db_flavor=os.environ.get("ROUNDCUBE_DB_FLAVOR",os.environ.get("DB_FLAVOR","sqlite"))
+if db_flavor=="sqlite":
+    os.environ["DB_DSNW"]="sqlite:////data/roundcube.db"
+elif db_flavor=="mysql":
+    os.environ["DB_DSNW"]="mysql://%s:%s@%s/%s" % (
+        os.environ.get("ROUNDCUBE_DB_USER","roundcube"),
+        os.environ.get("ROUNDCUBE_DB_PW"),
+        os.environ.get("ROUNDCUBE_DB_HOST",os.environ.get("DB_HOST","database")),
+        os.environ.get("ROUNDCUBE_DB_NAME","roundcube")
+        )
+elif db_flavor=="postgresql":
+    os.environ["DB_DSNW"]="pgsql://%s:%s@%s/%s" % (
+        os.environ.get("ROUNDCUBE_DB_USER","roundcube"),
+        os.environ.get("ROUNDCUBE_DB_PW"),
+        os.environ.get("ROUNDCUBE_DB_HOST",os.environ.get("DB_HOST","database")),
+        os.environ.get("ROUNDCUBE_DB_NAME","roundcube")
+        )
+else:
+    print("Unknown ROUNDCUBE_DB_FLAVOR: %s",db_flavor)
+    exit(1)
+
+
+
 conf.jinja("/php.ini", os.environ, "/usr/local/etc/php/conf.d/roundcube.ini")
 
 # Fix some permissions
-os.system("mkdir -p /data/gpg")
-os.system("chown -R www-data:www-data /data")
+os.system("mkdir -p /data/gpg /var/www/html/logs")
+os.system("touch /var/www/html/logs/errors")
+os.system("chown -R www-data:www-data /data /var/www/html/logs")
+
+try:
+    print("Initializing database")
+    result=subprocess.check_output(["/var/www/html/bin/initdb.sh","--dir","/var/www/html/SQL"],stderr=subprocess.STDOUT)
+    print(result.decode())
+except subprocess.CalledProcessError as e:
+    if "already exists" in e.stdout.decode():
+        print("Already initialzed")
+    else:
+        print(e.stdout.decode())
+        quit(1)
+
+try:
+    print("Upgrading database")
+    subprocess.check_call(["/var/www/html/bin/update.sh","--version=?","-y"],stderr=subprocess.STDOUT)
+except subprocess.CalledProcessError as e:
+    quit(1)
+
+# Tail roundcube logs
+subprocess.Popen(["tail","-f","-n","0","/var/www/html/logs/errors"])
 
 # Run apache
 os.execv("/usr/local/bin/apache2-foreground", ["apache2-foreground"])