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1 | { lib, pkgs, pkgsNext, config, myconfig, mylibs, ... }: | |
2 | let | |
3 | pkgs = pkgsNext.appendOverlays config.nixpkgs.overlays; | |
4 | cfg = config.services.myDatabases; | |
5 | in { | |
6 | options.services.myDatabases = { | |
7 | postgresql = { | |
8 | enable = lib.mkOption { | |
9 | default = cfg.enable; | |
10 | example = true; | |
11 | description = "Whether to enable postgresql database"; | |
12 | type = lib.types.bool; | |
13 | }; | |
14 | }; | |
15 | }; | |
16 | ||
17 | config = lib.mkIf cfg.enable { | |
18 | nixpkgs.overlays = [ (self: super: rec { | |
19 | postgresql = postgresql_11; | |
20 | postgresql_11 = if builtins.hasAttr "postgresql_11" super | |
21 | then super.postgresql_11.overrideAttrs(old: rec { | |
22 | passthru = old.passthru // { psqlSchema = "11.0"; }; | |
23 | configureFlags = old.configureFlags ++ [ "--with-pam" ]; | |
24 | buildInputs = (old.buildInputs or []) ++ [ self.pam ]; | |
25 | patches = old.patches ++ [ | |
26 | ./postgresql_run_socket_path.patch | |
27 | ]; | |
28 | }) | |
29 | else super.postgresql100.overrideAttrs(old: rec { | |
30 | passthru = old.passthru // { psqlSchema = "11.0"; }; | |
31 | name = "postgresql-11.1"; | |
32 | src = self.fetchurl { | |
33 | url = "mirror://postgresql/source/v11.1/${name}.tar.bz2"; | |
34 | sha256 = "026v0sicsh7avzi45waf8shcbhivyxmi7qgn9fd1x0vl520mx0ch"; | |
35 | }; | |
36 | configureFlags = old.configureFlags ++ [ "--with-pam" ]; | |
37 | buildInputs = (old.buildInputs or []) ++ [ self.pam ]; | |
38 | patches = old.patches ++ [ | |
39 | ./postgresql_run_socket_path.patch | |
40 | ]; | |
41 | }); | |
42 | }) ]; | |
43 | ||
44 | networking.firewall.allowedTCPPorts = [ 5432 ]; | |
45 | ||
46 | security.acme.certs."postgresql" = config.services.myCertificates.certConfig // { | |
47 | user = "postgres"; | |
48 | group = "postgres"; | |
49 | plugins = [ "fullchain.pem" "key.pem" "account_key.json" ]; | |
50 | domain = "db-1.immae.eu"; | |
51 | postRun = '' | |
52 | systemctl reload postgresql.service | |
53 | ''; | |
54 | }; | |
55 | ||
56 | system.activationScripts.postgresql = '' | |
57 | install -m 0755 -o postgres -g postgres -d ${myconfig.env.databases.postgresql.socket} | |
58 | ''; | |
59 | ||
60 | services.postgresql = rec { | |
61 | enable = cfg.postgresql.enable; | |
62 | package = pkgs.postgresql; | |
63 | enableTCPIP = true; | |
64 | extraConfig = '' | |
65 | max_connections = 100 | |
66 | wal_level = logical | |
67 | shared_buffers = 512MB | |
68 | work_mem = 10MB | |
69 | max_wal_size = 1GB | |
70 | min_wal_size = 80MB | |
71 | log_timezone = 'Europe/Paris' | |
72 | datestyle = 'iso, mdy' | |
73 | timezone = 'Europe/Paris' | |
74 | lc_messages = 'en_US.UTF-8' | |
75 | lc_monetary = 'en_US.UTF-8' | |
76 | lc_numeric = 'en_US.UTF-8' | |
77 | lc_time = 'en_US.UTF-8' | |
78 | default_text_search_config = 'pg_catalog.english' | |
79 | ssl = on | |
80 | ssl_cert_file = '/var/lib/acme/postgresql/fullchain.pem' | |
81 | ssl_key_file = '/var/lib/acme/postgresql/key.pem' | |
82 | ''; | |
83 | authentication = '' | |
84 | local all postgres ident | |
85 | local all all md5 | |
86 | hostssl all all 188.165.209.148/32 md5 | |
87 | hostssl all all 178.33.252.96/32 md5 | |
88 | hostssl all all all pam | |
89 | hostssl replication backup-1 2001:41d0:302:1100::9:e5a9/128 pam pamservice=postgresql_replication | |
90 | hostssl replication backup-1 54.37.151.137/32 pam pamservice=postgresql_replication | |
91 | ''; | |
92 | }; | |
93 | ||
94 | security.pam.services = let | |
95 | pam_ldap = "${pkgs.pam_ldap}/lib/security/pam_ldap.so"; | |
96 | pam_ldap_postgresql = with myconfig.env.databases.postgresql.pam; | |
97 | pkgs.writeText "postgresql.conf" '' | |
98 | host ${myconfig.env.ldap.host} | |
99 | base ${myconfig.env.ldap.base} | |
100 | binddn ${dn} | |
101 | bindpw ${password} | |
102 | pam_filter ${filter} | |
103 | ssl start_tls | |
104 | ''; | |
105 | pam_ldap_postgresql_replication = pkgs.writeText "postgresql.conf" '' | |
106 | host ${myconfig.env.ldap.host} | |
107 | base ${myconfig.env.ldap.base} | |
108 | binddn ${myconfig.env.ldap.host_dn} | |
109 | bindpw ${myconfig.env.ldap.password} | |
110 | pam_login_attribute cn | |
111 | ssl start_tls | |
112 | ''; | |
113 | in [ | |
114 | { | |
115 | name = "postgresql"; | |
116 | text = '' | |
117 | auth required ${pam_ldap} config=${pam_ldap_postgresql} | |
118 | account required ${pam_ldap} config=${pam_ldap_postgresql} | |
119 | ''; | |
120 | } | |
121 | { | |
122 | name = "postgresql_replication"; | |
123 | text = '' | |
124 | auth required ${pam_ldap} config=${pam_ldap_postgresql_replication} | |
125 | account required ${pam_ldap} config=${pam_ldap_postgresql_replication} | |
126 | ''; | |
127 | } | |
128 | ]; | |
129 | }; | |
130 | } | |
131 |