Move postgrey database under $STORAGE_ROOT (#2077)

CHANGELOG.md

@@ -25,6 +25,7 @@ No features of Mail-in-a-Box have changed in this release, but with the newer ve
 Also:
 
 * Roundcube's login session cookie was tightened. Existing sessions may require a manual logout.
+* Move Postgrey's database under $STORAGE_ROOT
 
 Version 57a (June 19, 2022)
 ---------------------------

management/backup.py

@@ -281,6 +281,7 @@ def perform_backup(full_backup):
 	service_command("php8.0-fpm", "stop", quit=True)
 	service_command("postfix", "stop", quit=True)
 	service_command("dovecot", "stop", quit=True)
+	service_command("postgrey", "stop", quit=True)
 
 	# Execute a pre-backup script that copies files outside the homedir.
 	# Run as the STORAGE_USER user, not as root. Pass our settings in
@@ -310,6 +311,7 @@ def perform_backup(full_backup):
 			get_duplicity_env_vars(env))
 	finally:
 		# Start services again.
+		service_command("postgrey", "start", quit=False)
 		service_command("dovecot", "start", quit=False)
 		service_command("postfix", "start", quit=False)
 		service_command("php8.0-fpm", "start", quit=False)

setup/mail-postfix.sh

@@ -233,11 +233,32 @@ tools/editconf.py /etc/postfix/main.cf \
 # As a matter of fact RFC is not strict about retry timer so postfix and
 # other MTA have their own intervals. To fix the problem of receiving
 # e-mails really latter, delay of greylisting has been set to
-# 180 seconds (default is 300 seconds).
+# 180 seconds (default is 300 seconds). We will move the postgrey database
+# under $STORAGE_ROOT. This prevents a "warming up" that would have occured
+# previously with a migrated or reinstalled OS.  We will specify this new path
+# with the --dbdir=... option. Arguments within POSTGREY_OPTS can not have spaces,
+# including dbdir. This is due to the way the init script sources the
+# /etc/default/postgrey file. --dbdir=... either needs to be a path without spaces
+# (luckily $STORAGE_ROOT does not currently work with spaces), or it needs to be a
+# symlink without spaces that can point to a folder with spaces).  We'll just assume
+# $STORAGE_ROOT won't have spaces to simplify things.
 tools/editconf.py /etc/default/postgrey \
-	POSTGREY_OPTS=\"'--inet=127.0.0.1:10023 --delay=180'\"
+	POSTGREY_OPTS=\""--inet=127.0.0.1:10023 --delay=180 --dbdir=$STORAGE_ROOT/mail/postgrey/db"\"
 
 
+# If the $STORAGE_ROOT/mail/postgrey is empty, copy the postgrey database over from the old location
+if [ ! -d $STORAGE_ROOT/mail/postgrey/db ]; then
+	# Stop the service
+	service postgrey stop
+	# Ensure the new paths for postgrey db exists
+	mkdir -p $STORAGE_ROOT/mail/postgrey/db
+	# Move over database files
+	mv /var/lib/postgrey/* $STORAGE_ROOT/mail/postgrey/db/ || true
+fi
+# Ensure permissions are set
+chown -R postgrey:postgrey $STORAGE_ROOT/mail/postgrey/
+chmod 700 $STORAGE_ROOT/mail/postgrey/{,db}
+
 # We are going to setup a newer whitelist for postgrey, the version included in the distribution is old
 cat > /etc/cron.daily/mailinabox-postgrey-whitelist << EOF;
 #!/bin/bash