]>
Commit | Line | Data |
---|---|---|
1 | { pkgs, config, lib, ... }: | |
2 | let | |
3 | cfg = config.myServices.databasesReplication.openldap; | |
4 | eldiron_schemas = pkgs.callPackage ./openldap/eldiron_schemas.nix {}; | |
5 | ldapConfig = hcfg: name: pkgs.writeText "slapd.conf" '' | |
6 | ${eldiron_schemas} | |
7 | pidfile /run/slapd_${name}/slapd.pid | |
8 | argsfile /run/slapd_${name}/slapd.args | |
9 | ||
10 | moduleload back_hdb | |
11 | backend hdb | |
12 | database hdb | |
13 | ||
14 | suffix "${hcfg.base}" | |
15 | rootdn "cn=root,${hcfg.base}" | |
16 | directory ${cfg.base}/${name}/openldap | |
17 | ||
18 | index objectClass eq | |
19 | index uid pres,eq | |
20 | index entryUUID eq | |
21 | ||
22 | include ${config.secrets.location}/openldap_replication/${name}/replication_config | |
23 | ''; | |
24 | in | |
25 | { | |
26 | options.myServices.databasesReplication.openldap = { | |
27 | enable = lib.mkEnableOption "Enable openldap replication"; | |
28 | base = lib.mkOption { | |
29 | type = lib.types.path; | |
30 | description = '' | |
31 | Base path to put the replications | |
32 | ''; | |
33 | }; | |
34 | hosts = lib.mkOption { | |
35 | default = {}; | |
36 | description = '' | |
37 | Hosts to backup | |
38 | ''; | |
39 | type = lib.types.attrsOf (lib.types.submodule { | |
40 | options = { | |
41 | package = lib.mkOption { | |
42 | type = lib.types.package; | |
43 | default = pkgs.openldap; | |
44 | description = '' | |
45 | Openldap package for this host | |
46 | ''; | |
47 | }; | |
48 | url = lib.mkOption { | |
49 | type = lib.types.str; | |
50 | description = '' | |
51 | Host to connect to | |
52 | ''; | |
53 | }; | |
54 | base = lib.mkOption { | |
55 | type = lib.types.str; | |
56 | description = '' | |
57 | Base DN to replicate | |
58 | ''; | |
59 | }; | |
60 | dn = lib.mkOption { | |
61 | type = lib.types.str; | |
62 | description = '' | |
63 | DN to use | |
64 | ''; | |
65 | }; | |
66 | password = lib.mkOption { | |
67 | type = lib.types.str; | |
68 | description = '' | |
69 | Password to use | |
70 | ''; | |
71 | }; | |
72 | }; | |
73 | }); | |
74 | }; | |
75 | }; | |
76 | ||
77 | config = lib.mkIf cfg.enable { | |
78 | users.users.openldap = { | |
79 | description = "Openldap database user"; | |
80 | group = "openldap"; | |
81 | uid = config.ids.uids.openldap; | |
82 | extraGroups = [ "keys" ]; | |
83 | }; | |
84 | users.groups.openldap.gid = config.ids.gids.openldap; | |
85 | ||
86 | secrets.keys = lib.flatten (lib.mapAttrsToList (name: hcfg: [ | |
87 | { | |
88 | dest = "openldap_replication/${name}/replication_config"; | |
89 | user = "openldap"; | |
90 | group = "openldap"; | |
91 | permissions = "0400"; | |
92 | text = '' | |
93 | syncrepl rid=000 | |
94 | provider=${hcfg.url} | |
95 | type=refreshAndPersist | |
96 | searchbase="${hcfg.base}" | |
97 | retry="5 10 300 +" | |
98 | attrs="*,+" | |
99 | schemachecking=off | |
100 | bindmethod=simple | |
101 | binddn="${hcfg.dn}" | |
102 | credentials="${hcfg.password}" | |
103 | ''; | |
104 | } | |
105 | { | |
106 | dest = "openldap_replication/${name}/replication_password"; | |
107 | user = "openldap"; | |
108 | group = "openldap"; | |
109 | permissions = "0400"; | |
110 | text = hcfg.password; | |
111 | } | |
112 | ]) cfg.hosts); | |
113 | ||
114 | services.cron = { | |
115 | enable = true; | |
116 | systemCronJobs = lib.flatten (lib.mapAttrsToList (name: hcfg: | |
117 | let | |
118 | dataDir = "${cfg.base}/${name}/openldap"; | |
119 | backupDir = "${cfg.base}/${name}/openldap_backup"; | |
120 | backup_script = pkgs.writeScript "backup_openldap_${name}" '' | |
121 | #!${pkgs.stdenv.shell} | |
122 | ||
123 | ${hcfg.package}/bin/slapcat -b "${hcfg.base}" -f ${ldapConfig hcfg name} -l ${backupDir}/$(${pkgs.coreutils}/bin/date -Iseconds).ldif | |
124 | ''; | |
125 | u = pkgs.callPackage ./utils.nix {}; | |
126 | cleanup_script = pkgs.writeScript "cleanup_openldap_${name}" (u.exponentialDumps "ldif" backupDir); | |
127 | in [ | |
128 | "0 22,4,10,16 * * * root ${backup_script}" | |
129 | "0 3 * * * root ${cleanup_script}" | |
130 | ]) cfg.hosts); | |
131 | }; | |
132 | ||
133 | system.activationScripts = lib.attrsets.mapAttrs' (name: hcfg: | |
134 | lib.attrsets.nameValuePair "openldap_replication_${name}" { | |
135 | deps = [ "users" "groups" ]; | |
136 | text = '' | |
137 | install -m 0700 -o openldap -g openldap -d ${cfg.base}/${name}/openldap | |
138 | install -m 0700 -o openldap -g openldap -d ${cfg.base}/${name}/openldap_backup | |
139 | ''; | |
140 | }) cfg.hosts; | |
141 | ||
142 | systemd.services = lib.attrsets.mapAttrs' (name: hcfg: | |
143 | let | |
144 | dataDir = "${cfg.base}/${name}/openldap"; | |
145 | in | |
146 | lib.attrsets.nameValuePair "openldap_backup_${name}" { | |
147 | description = "Openldap replication for ${name}"; | |
148 | wantedBy = [ "multi-user.target" ]; | |
149 | after = [ "network.target" ]; | |
150 | unitConfig.RequiresMountsFor = dataDir; | |
151 | ||
152 | preStart = '' | |
153 | mkdir -p /run/slapd_${name} | |
154 | chown -R "openldap:openldap" /run/slapd_${name} | |
155 | ''; | |
156 | ||
157 | serviceConfig = { | |
158 | ExecStart = "${hcfg.package}/libexec/slapd -d 0 -u openldap -g openldap -f ${ldapConfig hcfg name}"; | |
159 | }; | |
160 | }) cfg.hosts; | |
161 | }; | |
162 | } | |
163 | ||
164 |