blob: 83518f994aebc9b83efafd8b13c4e9d4cd1d1134 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
|
{
config,
lib,
pkgs,
...
}:
let
inherit (lib)
concatMapStringsSep
concatStringsSep
isInt
isList
literalExpression
;
inherit (lib)
mapAttrs
mapAttrsToList
mkDefault
mkEnableOption
mkIf
mkOption
mkRenamedOptionModule
optional
types
;
cfg = config.services.automysqlbackup;
pkg = pkgs.automysqlbackup;
user = "automysqlbackup";
group = "automysqlbackup";
toStr =
val:
if isList val then
"( ${concatMapStringsSep " " (val: "'${val}'") val} )"
else if isInt val then
toString val
else if true == val then
"'yes'"
else if false == val then
"'no'"
else
"'${toString val}'";
configFile = pkgs.writeText "automysqlbackup.conf" ''
#version=${pkg.version}
# DONT'T REMOVE THE PREVIOUS VERSION LINE!
#
${concatStringsSep "\n" (mapAttrsToList (name: value: "CONFIG_${name}=${toStr value}") cfg.config)}
'';
in
{
imports = [
(mkRenamedOptionModule
[ "services" "automysqlbackup" "config" ]
[ "services" "automysqlbackup" "settings" ]
)
];
# interface
options = {
services.automysqlbackup = {
enable = mkEnableOption "AutoMySQLBackup";
calendar = mkOption {
type = types.str;
default = "01:15:00";
description = ''
Configured when to run the backup service systemd unit (DayOfWeek Year-Month-Day Hour:Minute:Second).
'';
};
settings = mkOption {
type =
with types;
attrsOf (oneOf [
str
int
bool
(listOf str)
]);
default = { };
description = ''
automysqlbackup configuration. Refer to
{file}`''${pkgs.automysqlbackup}/etc/automysqlbackup.conf`
for details on supported values.
'';
example = literalExpression ''
{
db_names = [ "nextcloud" "matomo" ];
table_exclude = [ "nextcloud.oc_users" "nextcloud.oc_whats_new" ];
mailcontent = "log";
mail_address = "admin@example.org";
}
'';
};
};
};
# implementation
config = mkIf cfg.enable {
assertions = [
{
assertion = !config.services.mysqlBackup.enable;
message = "Please choose one of services.mysqlBackup or services.automysqlbackup.";
}
];
services.automysqlbackup.config = mapAttrs (name: mkDefault) {
mysql_dump_username = user;
mysql_dump_host = "localhost";
mysql_dump_socket = "/run/mysqld/mysqld.sock";
backup_dir = "/var/backup/mysql";
db_exclude = [
"information_schema"
"performance_schema"
];
mailcontent = "stdout";
mysql_dump_single_transaction = true;
};
systemd.timers.automysqlbackup = {
description = "automysqlbackup timer";
wantedBy = [ "timers.target" ];
timerConfig = {
OnCalendar = cfg.calendar;
AccuracySec = "5m";
};
};
systemd.services.automysqlbackup = {
description = "automysqlbackup service";
serviceConfig = {
User = user;
Group = group;
ExecStart = "${pkg}/bin/automysqlbackup ${configFile}";
};
};
environment.systemPackages = [ pkg ];
users.users.${user} = {
group = group;
isSystemUser = true;
};
users.groups.${group} = { };
systemd.tmpfiles.rules = [
"d '${cfg.config.backup_dir}' 0750 ${user} ${group} - -"
];
services.mysql.ensureUsers =
optional (config.services.mysql.enable && cfg.config.mysql_dump_host == "localhost")
{
name = user;
ensurePermissions = {
"*.*" = "SELECT, SHOW VIEW, TRIGGER, LOCK TABLES, EVENT";
};
};
};
}
|
