adding mysql flavor (untested)

flavours/mysql/README.md

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+Sets up a MySQL server install in the image.
+
+TODO: auto-tune settings based on host resources or metadata service.

flavours/mysql/first-boot.d/05-ipforwarding

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+#!/bin/bash
+set -e
+set -o xtrace
+sed -i -r 's/^\s*#(net\.ipv4\.ip_forward=1.*)/\1/' /etc/sysctl.conf
+echo 1 > /proc/sys/net/ipv4/ip_forward

flavours/mysql/first-boot.d/10-ntp

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+#!/bin/bash
+ntpfile=`mktemp`
+cat << EOF > $ntpfile
+server ntp.ubuntu.com iburst
+server 127.127.1.0
+fudge 127.127.1.0 stratum 10
+EOF
+
+mv /etc/ntp.conf /etc/ntp.conf.orig
+mv $ntpfile /etc/ntp.conf
+service ntp restart

flavours/mysql/first-boot.d/50-mysql

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+#!/bin/bash
+set -e
+set -o xtrace
+
+# get MYSQL_PASS and HOST_IP
+source $(dirname $0)/defaults
+
+service mysql stop || true
+
+MYSQL_BOOTSTRAP="/usr/sbin/mysqld --bootstrap --user=mysql --skip-grant-tables"
+
+sqltfile=`mktemp`
+cat <<EOF > $sqltfile
+USE mysql;
+UPDATE user SET password=PASSWORD("$MYSQL_PASS") WHERE user='root';
+EOF
+$MYSQL_BOOTSTRAP < $sqltfile
+rm -f $sqltfile
+
+CNF=/etc/mysql/my.cnf
+cp -f $(dirname $0)/my.cnf $CNF
+sed -i "s/^bind-address=.*/bind-address=$HOST_IP/" $CNF
+
+service mysql start

flavours/mysql/first-boot.d/defaults

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+set -e
+
+MYSQL_PASS=${MYSQL_PASS:-password}
+
+# HOST_IP
+# Find the interface used for the default route
+HOST_IP_IFACE=${HOST_IP_IFACE:-$(ip route | sed -n '/^default/{ s/.*dev \(\w\+\)\s\+.*/\1/; p; }')}
+# Search for an IP unless an explicit is set by ``HOST_IP`` environment variable
+HOST_IP=`LC_ALL=C ip -f inet addr show ${HOST_IP_IFACE} | awk '/inet/ {split($2,parts,"/");  print parts[1]}'`
+
+
+# XXX: get all these from metadata service eventually
+IB_BUF_POOL=100M
+IB_LOG_FILE_SIZE=10M
+

flavours/mysql/first-boot.d/my.cnf

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+[mysql]
+port                           = 3306
+socket                         = /var/lib/mysql/data/mysql.sock
+
+[mysqld]
+
+# GENERAL #
+user                           = mysql
+default_storage_engine         = InnoDB
+socket                         = /var/lib/mysql/data/mysql.sock
+pid_file                       = /var/lib/mysql/data/mysql.pid
+bind-address                   = 0.0.0.0
+
+# MyISAM #
+key_buffer_size                = 32M
+myisam_recover                 = FORCE,BACKUP
+
+# SAFETY #
+max_allowed_packet             = 16M
+max_connect_errors             = 1000000
+skip_name_resolve
+sql_mode                       = STRICT_TRANS_TABLES,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_AUTO_VALUE_ON_ZERO,NO_ENGINE_SUBSTITUTION,NO_ZERO_DATE,NO_ZERO_IN_DATE,ONLY_FULL_GROUP_BY
+sysdate_is_now                 = 1
+innodb                         = FORCE
+innodb_strict_mode             = 1
+
+# DATA STORAGE #
+datadir                        = /var/lib/mysql/data/
+
+# CACHES AND LIMITS #
+tmp_table_size                 = 32M
+max_heap_table_size            = 32M
+query_cache_type               = 0
+query_cache_size               = 0
+max_connections                = 500
+thread_cache_size              = 50
+open_files_limit               = 65535
+table_definition_cache         = 4096
+table_open_cache               = 4096
+
+# INNODB #
+innodb_flush_method            = O_DIRECT
+innodb_log_files_in_group      = 2
+innodb_log_file_size           = 64M
+innodb_flush_log_at_trx_commit = 2
+innodb_file_per_table          = 1
+innodb_buffer_pool_size        = 592M
+# TODO
+# innodb_read_io_threads
+# innodb_write_io_threads
+
+
+# LOGGING #
+log_error                      = /var/lib/mysql/data/mysql-error.log
+log_queries_not_using_indexes  = 1
+slow_query_log                 = 1
+slow_query_log_file            = /var/lib/mysql/data/mysql-slow.log
+
+server_id                      = 1
+log_bin                        = /var/lib/mysql/data/mysql-bin
+expire_logs_days               = 7
+max_binlog_size                = 100M
+binlog_format                  = ROW

flavours/mysql/install.d/10-mysql

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+#!/bin/sh
+
+# Install controller base requiered packages
+
+set -e
+set -o xtrace
+
+#DEBIAN_FRONTEND=noninteractive apt-get -y install sysstat mytop percona-toolkit percona-server-server-5.5 percona-server-client-5.5
+DEBIAN_FRONTEND=noninteractive apt-get -y install sysstat mytop percona-toolkit mysql-server-5.5 mysql-client-5.5

flavours/mysql/install.d/50-user

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+#!/bin/bash
+# Add the stack user we recommend folk use.
+
+set -e
+set -o xtrace
+
+useradd -G admin -m stack -s /bin/bash
+passwd stack <<EOF
+stack
+stack
+EOF
+

flavours/mysql/install.d/97-haveged

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+#!/bin/bash
+# Install the haveged daemon so ssh config on startup isn't glacial.
+
+set -e
+set -o xtrace
+
+apt-get -y install haveged

flavours/mysql/install.d/99-clean-apt

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+#!/bin/sh
+
+# Build iscsi modules with installed kernel
+
+set -e
+set -o xtrace
+
+apt-get clean
+
+

flavours/mysql/pre-install.d/50-percona-server

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+#!/bin/sh
+
+set -e
+set -o xtrace
+
+# add Percona GPG key
+#gpg --keyserver  hkp://keys.gnupg.net --recv-keys 1C4CBDCDCD2EFD2A
+#gpg -a --export CD2EFD2A | apt-key add -
+
+# add Percona repo
+# XXX: autodetect distribution when Percona supports Quantal
+#VER='precise'
+#cat <<EOL > /etc/apt/sources.list.d/percona
+#deb http://repo.percona.com/apt $VER main
+#deb-src http://repo.percona.com/apt $VER main
+#EOL