2e751c0772
the conversion procedure is simple: - find all things that look like options, ie calls to either `mkOption` or `lib.mkOption` that take an attrset. remember the attrset as the option - for all options, find a `description` attribute who's value is not a call to `mdDoc` or `lib.mdDoc` - textually convert the entire value of the attribute to MD with a few simple regexes (the set from mdize-module.sh) - if the change produced a change in the manual output, discard - if the change kept the manual unchanged, add some text to the description to make sure we've actually found an option. if the manual changes this time, keep the converted description this procedure converts 80% of nixos options to markdown. around 2000 options remain to be inspected, but most of those fail the "does not change the manual output check": currently the MD conversion process does not faithfully convert docbook tags like <code> and <package>, so any option using such tags will not be converted at all.
156 lines
4.2 KiB
Nix
156 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 = lib.mdDoc "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 = lib.mdDoc "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 = lib.mdDoc "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 = lib.mdDoc "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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