1{
2 config,
3 lib,
4 pkgs,
5 ...
6}:
7let
8
9 cfg = config.services.aerospike;
10
11 aerospikeConf = pkgs.writeText "aerospike.conf" ''
12 # This stanza must come first.
13 service {
14 user aerospike
15 group aerospike
16 paxos-single-replica-limit 1 # Number of nodes where the replica count is automatically reduced to 1.
17 proto-fd-max 15000
18 work-directory ${cfg.workDir}
19 }
20 logging {
21 console {
22 context any info
23 }
24 }
25 mod-lua {
26 system-path ${cfg.package}/share/udf/lua
27 user-path ${cfg.workDir}/udf/lua
28 }
29 network {
30 ${cfg.networkConfig}
31 }
32 ${cfg.extraConfig}
33 '';
34
35in
36
37{
38
39 ###### interface
40
41 options = {
42
43 services.aerospike = {
44 enable = lib.mkEnableOption "Aerospike server";
45
46 package = lib.mkPackageOption pkgs "aerospike" { };
47
48 workDir = lib.mkOption {
49 type = lib.types.str;
50 default = "/var/lib/aerospike";
51 description = "Location where Aerospike stores its files";
52 };
53
54 networkConfig = lib.mkOption {
55 type = lib.types.lines;
56 default = ''
57 service {
58 address any
59 port 3000
60 }
61
62 heartbeat {
63 address any
64 mode mesh
65 port 3002
66 interval 150
67 timeout 10
68 }
69
70 fabric {
71 address any
72 port 3001
73 }
74
75 info {
76 address any
77 port 3003
78 }
79 '';
80 description = "network section of configuration file";
81 };
82
83 extraConfig = lib.mkOption {
84 type = lib.types.lines;
85 default = "";
86 example = ''
87 namespace test {
88 replication-factor 2
89 memory-size 4G
90 default-ttl 30d
91 storage-engine memory
92 }
93 '';
94 description = "Extra configuration";
95 };
96 };
97
98 };
99
100 ###### implementation
101
102 config = lib.mkIf config.services.aerospike.enable {
103
104 users.users.aerospike = {
105 name = "aerospike";
106 group = "aerospike";
107 uid = config.ids.uids.aerospike;
108 description = "Aerospike server user";
109 };
110 users.groups.aerospike.gid = config.ids.gids.aerospike;
111
112 boot.kernel.sysctl = {
113 "net.core.rmem_max" = lib.mkDefault 15728640;
114 "net.core.wmem_max" = lib.mkDefault 5242880;
115 };
116
117 systemd.services.aerospike = rec {
118 description = "Aerospike server";
119
120 wantedBy = [ "multi-user.target" ];
121 after = [ "network.target" ];
122
123 serviceConfig = {
124 ExecStart = "${cfg.package}/bin/asd --fgdaemon --config-file ${aerospikeConf}";
125 User = "aerospike";
126 Group = "aerospike";
127 LimitNOFILE = 100000;
128 PermissionsStartOnly = true;
129 };
130
131 preStart = ''
132 if [ $(echo "$(${pkgs.procps}/bin/sysctl -n kernel.shmall) < 4294967296" | ${pkgs.bc}/bin/bc) == "1" ]; then
133 echo "kernel.shmall too low, setting to 4G pages"
134 ${pkgs.procps}/bin/sysctl -w kernel.shmall=4294967296
135 fi
136 if [ $(echo "$(${pkgs.procps}/bin/sysctl -n kernel.shmmax) < 1073741824" | ${pkgs.bc}/bin/bc) == "1" ]; then
137 echo "kernel.shmmax too low, setting to 1GB"
138 ${pkgs.procps}/bin/sysctl -w kernel.shmmax=1073741824
139 fi
140 install -d -m0700 -o ${serviceConfig.User} -g ${serviceConfig.Group} "${cfg.workDir}"
141 install -d -m0700 -o ${serviceConfig.User} -g ${serviceConfig.Group} "${cfg.workDir}/smd"
142 install -d -m0700 -o ${serviceConfig.User} -g ${serviceConfig.Group} "${cfg.workDir}/udf"
143 install -d -m0700 -o ${serviceConfig.User} -g ${serviceConfig.Group} "${cfg.workDir}/udf/lua"
144 '';
145 };
146
147 };
148
149}