mysql: Use debconf to capture user input

mysql/debian/config

@@ -0,0 +1,11 @@
+#!/bin/sh -e
+
+. /usr/share/debconf/confmodule
+
+while [ -z "$RET" ] ; do
+  db_input high symbiosis-mysql/admin_password || true
+  db_go
+  db_get symbiosis-mysql/admin_password
+done
+
+exit 0

mysql/debian/control

@@ -8,7 +8,7 @@ Standards-Version: 3.9.6
 
 Package: symbiosis-mysql
 Architecture: all
-Depends: default-mysql-server (>= 1.0.2), ruby, symbiosis-common (>= 2014:0113), ${misc:Depends}
+Depends: default-mysql-server (>= 1.0.2), ruby, symbiosis-common (>= 2014:0113), debconf, ${misc:Depends}
 Replaces: bytemark-vhost-mysql, symbiosis-monit (<< 2011:1206)
 Provides: bytemark-vhost-mysql
 Conflicts: bytemark-vhost-mysql

mysql/debian/postinst

@@ -2,6 +2,8 @@
 
 set -e
 
+. /usr/share/debconf/confmodule
+
 #
 # Skip, if we are not in "configure" state
 #
@@ -49,8 +51,8 @@ if grep -qx 'password = ' /etc/mysql/debian.cnf && [ "$(mysql -u root -se "selec
   if [ -e /etc/first-boot.d/.mysql.hash ]; then
     mysql -u root -e "grant all privileges on *.* to 'admin'@'localhost' identified by password '*$(cat /etc/first-boot.d/.mysql.hash)' with grant option;"
   else
-    read -p "Enter a password for the admin@localhost MySQL user (To be used with phpMyAdmin): " password
-    mysql -u root -e "grant all privileges on *.* to 'admin'@'localhost' identified by '$password' with grant option;"
+    db_get symbiosis-mysql/admin_password
+    mysql -u root -e "grant all privileges on *.* to 'admin'@'localhost' identified by '$RET' with grant option;"
   fi
 fi
 

mysql/debian/postrm

@@ -0,0 +1,4 @@
+if [ "$1" = "purge" -a -e /usr/share/debconf/confmodule ]; then
+  . /usr/share/debconf/confmodule
+  db_purge
+fi

mysql/debian/templates

@@ -0,0 +1,3 @@
+Template: symbiosis-mysql/admin_password
+Type: password
+Description: Enter a password for the admin@localhost MySQL user (for phpMyAdmin access). 

test/internal-test.d/conf-stretch/debconf-preseed

@@ -6,6 +6,8 @@ locales	locales/locales_to_be_generated	multiselect	en_GB.UTF-8 UTF-8
 mysql-server-5.5	mysql-server/root_password	password	semiconscious malpractice
 # Repeat password for the MySQL "root" user:
 mysql-server-5.5	mysql-server/root_password_again	password	semiconscious malpractice
+# Set password for the MySQL "admin" user for phpMyAdmin access:
+symbiosis-mysql	symbiosis-mysql/admin_password	password	semiconscious malpractice
 # Password of the database's administrative user:
 phpmyadmin	phpmyadmin/mysql/admin-pass	 password	semiconscious malpractice
 # Password of the database's administrative user: