157 lines
4.2 KiB
Nix
157 lines
4.2 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.services.aerospike;
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aerospikeConf = pkgs.writeText "aerospike.conf" ''
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# This stanza must come first.
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service {
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user aerospike
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group aerospike
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paxos-single-replica-limit 1 # Number of nodes where the replica count is automatically reduced to 1.
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proto-fd-max 15000
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work-directory ${cfg.workDir}
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}
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logging {
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console {
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context any info
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}
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}
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mod-lua {
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system-path ${cfg.package}/share/udf/lua
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user-path ${cfg.workDir}/udf/lua
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}
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network {
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${cfg.networkConfig}
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}
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${cfg.extraConfig}
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'';
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in
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{
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###### interface
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options = {
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services.aerospike = {
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enable = mkEnableOption "Aerospike server";
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package = mkOption {
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default = pkgs.aerospike;
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defaultText = literalExpression "pkgs.aerospike";
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type = types.package;
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description = "Which Aerospike derivation to use";
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};
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workDir = mkOption {
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type = types.str;
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default = "/var/lib/aerospike";
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description = "Location where Aerospike stores its files";
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};
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networkConfig = mkOption {
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type = types.lines;
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default = ''
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service {
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address any
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port 3000
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}
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heartbeat {
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address any
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mode mesh
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port 3002
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interval 150
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timeout 10
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}
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fabric {
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address any
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port 3001
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}
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info {
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address any
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port 3003
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}
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'';
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description = "network section of configuration file";
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};
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extraConfig = mkOption {
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type = types.lines;
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default = "";
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example = ''
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namespace test {
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replication-factor 2
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memory-size 4G
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default-ttl 30d
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storage-engine memory
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}
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'';
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description = "Extra configuration";
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};
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};
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};
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###### implementation
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config = mkIf config.services.aerospike.enable {
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users.users.aerospike = {
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name = "aerospike";
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group = "aerospike";
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uid = config.ids.uids.aerospike;
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description = "Aerospike server user";
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};
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users.groups.aerospike.gid = config.ids.gids.aerospike;
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systemd.services.aerospike = rec {
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description = "Aerospike server";
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wantedBy = [ "multi-user.target" ];
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after = [ "network.target" ];
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serviceConfig = {
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ExecStart = "${cfg.package}/bin/asd --fgdaemon --config-file ${aerospikeConf}";
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User = "aerospike";
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Group = "aerospike";
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LimitNOFILE = 100000;
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PermissionsStartOnly = true;
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};
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preStart = ''
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if [ $(echo "$(${pkgs.procps}/bin/sysctl -n kernel.shmall) < 4294967296" | ${pkgs.bc}/bin/bc) == "1" ]; then
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echo "kernel.shmall too low, setting to 4G pages"
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${pkgs.procps}/bin/sysctl -w kernel.shmall=4294967296
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fi
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if [ $(echo "$(${pkgs.procps}/bin/sysctl -n kernel.shmmax) < 1073741824" | ${pkgs.bc}/bin/bc) == "1" ]; then
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echo "kernel.shmmax too low, setting to 1GB"
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${pkgs.procps}/bin/sysctl -w kernel.shmmax=1073741824
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fi
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if [ $(echo "$(cat /proc/sys/net/core/rmem_max) < 15728640" | ${pkgs.bc}/bin/bc) == "1" ]; then
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echo "increasing socket buffer limit (/proc/sys/net/core/rmem_max): $(cat /proc/sys/net/core/rmem_max) -> 15728640"
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echo 15728640 > /proc/sys/net/core/rmem_max
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fi
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if [ $(echo "$(cat /proc/sys/net/core/wmem_max) < 5242880" | ${pkgs.bc}/bin/bc) == "1" ]; then
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echo "increasing socket buffer limit (/proc/sys/net/core/wmem_max): $(cat /proc/sys/net/core/wmem_max) -> 5242880"
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echo 5242880 > /proc/sys/net/core/wmem_max
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fi
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install -d -m0700 -o ${serviceConfig.User} -g ${serviceConfig.Group} "${cfg.workDir}"
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install -d -m0700 -o ${serviceConfig.User} -g ${serviceConfig.Group} "${cfg.workDir}/smd"
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install -d -m0700 -o ${serviceConfig.User} -g ${serviceConfig.Group} "${cfg.workDir}/udf"
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install -d -m0700 -o ${serviceConfig.User} -g ${serviceConfig.Group} "${cfg.workDir}/udf/lua"
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'';
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};
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};
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}
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