Merge mysql55 module into mysql

This also removes the default for services.mysql.package, as this should
not generally be updated automatically if we change the mysql attribute
This commit is contained in:
Shea Levy 2014-02-26 07:54:04 -05:00
parent 2fd60ee948
commit 1ce6fff4e2
6 changed files with 26 additions and 251 deletions

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@ -124,6 +124,8 @@ in zipModules ([]
++ obsolete [ "services" "mesa" "s3tcSupport" ] [ "hardware" "opengl" "s3tcSupport" ]
++ obsolete [ "services" "mesa" "videoDrivers" ] [ "hardware" "opengl" "videoDrivers" ]
++ obsolete [ "services" "mysql55" ] [ "services" "mysql" ]
# Options that are obsolete and have no replacement.
++ obsolete' [ "boot" "loader" "grub" "bootDevice" ]
++ obsolete' [ "boot" "initrd" "luks" "enable" ]

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@ -8,6 +8,10 @@ let
mysql = cfg.package;
is55 = mysql.mysqlVersion == "5.5";
mysqldDir = if is55 then "${mysql}/bin" else "${mysql}/libexec";
pidFile = "${cfg.pidDir}/mysqld.pid";
mysqldOptions =
@ -19,7 +23,7 @@ let
[mysqld]
${optionalString (cfg.replication.role == "master" || cfg.replication.role == "slave") "log-bin=mysql-bin"}
${optionalString (cfg.replication.role == "master" || cfg.replication.role == "slave") "server-id = ${toString cfg.replication.serverId}"}
${optionalString (cfg.replication.role == "slave")
${optionalString (cfg.replication.role == "slave" && !is55)
''
master-host = ${cfg.replication.masterHost}
master-user = ${cfg.replication.masterUser}
@ -47,7 +51,8 @@ in
};
package = mkOption {
default = pkgs.mysql;
type = types.package;
example = literalExample "pkgs.mysql";
description = "
Which MySQL derivation to use.
";
@ -176,7 +181,7 @@ in
chown -R ${cfg.user} ${cfg.pidDir}
'';
serviceConfig.ExecStart = "${mysql}/libexec/mysqld --defaults-extra-file=${myCnf} ${mysqldOptions}";
serviceConfig.ExecStart = "${mysqldDir}/mysqld --defaults-extra-file=${myCnf} ${mysqldOptions}";
postStart =
''
@ -216,6 +221,16 @@ in
fi
'') cfg.initialDatabases}
${optionalString (cfg.replication.role == "slave" && is55)
''
# Set up the replication master
( echo "stop slave;"
echo "change master to master_host='${cfg.replication.masterHost}', master_user='${cfg.replication.masterUser}', master_password='${cfg.replication.masterPassword}';"
echo "start slave;"
) | ${mysql}/bin/mysql -u root -N
''}
${optionalString (cfg.initialScript != null)
''
# Execute initial script

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@ -1,248 +0,0 @@
{ config, pkgs, ... }:
with pkgs.lib;
let
cfg = config.services.mysql55;
mysql = cfg.package;
pidFile = "${cfg.pidDir}/mysqld.pid";
mysqldOptions =
"--user=${cfg.user} --datadir=${cfg.dataDir} " +
"--pid-file=${pidFile}";
myCnf = pkgs.writeText "my.cnf"
''
[mysqld]
${optionalString (cfg.replication.role == "master" || cfg.replication.role == "slave") "log-bin=mysql-bin"}
${optionalString (cfg.replication.role == "master" || cfg.replication.role == "slave") "server-id = ${toString cfg.replication.serverId}"}
${cfg.extraOptions}
'';
in
{
###### interface
options = {
services.mysql55 = {
enable = mkOption {
default = false;
description = "
Whether to enable the MySQL server.
";
};
package = mkOption {
default = pkgs.mysql55;
description = "
Which MySQL derivation to use.
";
};
port = mkOption {
default = "3306";
description = "Port of MySQL";
};
user = mkOption {
default = "mysql";
description = "User account under which MySQL runs";
};
dataDir = mkOption {
default = "/var/mysql"; # !!! should be /var/db/mysql
description = "Location where MySQL stores its table files";
};
pidDir = mkOption {
default = "/var/run/mysql";
description = "Location of the file which stores the PID of the MySQL server";
};
extraOptions = mkOption {
default = "";
example = ''
key_buffer_size = 6G
table_cache = 1600
log-error = /var/log/mysql_err.log
'';
description = ''
Provide extra options to the MySQL configuration file.
Please note, that these options are added to the
<literal>[mysqld]</literal> section so you don't need to explicitly
state it again.
'';
};
initialDatabases = mkOption {
default = [];
description = "List of database names and their initial schemas that should be used to create databases on the first startup of MySQL";
example = [
{ name = "foodatabase"; schema = literalExample "./foodatabase.sql"; }
{ name = "bardatabase"; schema = literalExample "./bardatabase.sql"; }
];
};
initialScript = mkOption {
default = null;
description = "A file containing SQL statements to be executed on the first startup. Can be used for granting certain permissions on the database";
};
# FIXME: remove this option; it's a really bad idea.
rootPassword = mkOption {
default = null;
description = "Path to a file containing the root password, modified on the first startup. Not specifying a root password will leave the root password empty.";
};
replication = {
role = mkOption {
default = "none";
description = "Role of the MySQL server instance. Can be either: master, slave or none";
};
serverId = mkOption {
default = 1;
description = "Id of the MySQL server instance. This number must be unique for each instance";
};
masterHost = mkOption {
description = "Hostname of the MySQL master server";
};
masterUser = mkOption {
description = "Username of the MySQL replication user";
};
masterPassword = mkOption {
description = "Password of the MySQL replication user";
};
masterPort = mkOption {
default = 3306;
description = "Port number on which the MySQL master server runs";
};
};
};
};
###### implementation
config = mkIf config.services.mysql55.enable {
users.extraUsers.mysql = {
description = "MySQL server user";
group = "mysql";
uid = config.ids.uids.mysql;
};
users.extraGroups.mysql.gid = config.ids.gids.mysql;
environment.systemPackages = [mysql];
systemd.services.mysql =
{ description = "MySQL Server";
wantedBy = [ "multi-user.target" ];
unitConfig.RequiresMountsFor = "${cfg.dataDir}";
preStart =
''
if ! test -e ${cfg.dataDir}/mysql; then
mkdir -m 0700 -p ${cfg.dataDir}
chown -R ${cfg.user} ${cfg.dataDir}
${mysql}/bin/mysql_install_db ${mysqldOptions}
touch /tmp/mysql_init
fi
mkdir -m 0700 -p ${cfg.pidDir}
chown -R ${cfg.user} ${cfg.pidDir}
'';
serviceConfig.ExecStart = "${mysql}/bin/mysqld --defaults-extra-file=${myCnf} ${mysqldOptions}";
postStart =
''
# Wait until the MySQL server is available for use
count=0
while [ ! -e /tmp/mysql.sock ]
do
if [ $count -eq 30 ]
then
echo "Tried 30 times, giving up..."
exit 1
fi
echo "MySQL daemon not yet started. Waiting for 1 second..."
count=$((count++))
sleep 1
done
if [ -f /tmp/mysql_init ]
then
${concatMapStrings (database:
''
# Create initial databases
if ! test -e "${cfg.dataDir}/${database.name}"; then
echo "Creating initial database: ${database.name}"
( echo "create database ${database.name};"
echo "use ${database.name};"
if [ -f "${database.schema}" ]
then
cat ${database.schema}
elif [ -d "${database.schema}" ]
then
cat ${database.schema}/mysql-databases/*.sql
fi
) | ${mysql}/bin/mysql -u root -N
fi
'') cfg.initialDatabases}
${optionalString (cfg.replication.role == "slave")
''
# Set up the replication master
( echo "stop slave;"
echo "change master to master_host='${cfg.replication.masterHost}', master_user='${cfg.replication.masterUser}', master_password='${cfg.replication.masterPassword}';"
echo "start slave;"
) | ${mysql}/bin/mysql -u root -N
''}
${optionalString (cfg.initialScript != null)
''
# Execute initial script
cat ${cfg.initialScript} | ${mysql}/bin/mysql -u root -N
''}
${optionalString (cfg.rootPassword != null)
''
# Change root password
( echo "use mysql;"
echo "update user set Password=password('$(cat ${cfg.rootPassword})') where User='root';"
echo "flush privileges;"
) | ${mysql}/bin/mysql -u root -N
''}
rm /tmp/mysql_init
fi
''; # */
serviceConfig.ExecStop =
"${mysql}/bin/mysqladmin ${optionalString (cfg.rootPassword != null) "--user=root --password=\"$(cat ${cfg.rootPassword})\""} shutdown";
};
};
}

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@ -14,6 +14,8 @@ stdenv.mkDerivation rec {
enableParallelBuilding = true;
passthru.mysqlVersion = "5.5";
meta = {
description = "An enhanced, drop-in replacement for MySQL";
homepage = https://mariadb.org/;

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@ -27,6 +27,8 @@ stdenv.mkDerivation rec {
rm -rf $out/mysql-test $out/sql-bench $out/share/info
'';
passthru.mysqlVersion = "5.1";
meta = {
homepage = http://www.mysql.com/;
description = "The world's most popular open source database";

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@ -28,6 +28,8 @@ stdenv.mkDerivation rec {
rm -rf $out/mysql-test $out/sql-bench
'';
passthru.mysqlVersion = "5.5";
meta = {
homepage = http://www.mysql.com/;
description = "The world's most popular open source database";