nixpkgs/nixos/modules/services/cluster/hadoop/default.nix
2021-01-29 13:01:42 +01:00

71 lines
1.6 KiB
Nix

{ config, lib, pkgs, ...}:
with lib;
{
imports = [ ./yarn.nix ./hdfs.nix ];
options.services.hadoop = {
coreSite = mkOption {
default = {};
type = types.attrsOf types.anything;
example = literalExample ''
{
"fs.defaultFS" = "hdfs://localhost";
}
'';
description = "Hadoop core-site.xml definition";
};
hdfsSite = mkOption {
default = {};
type = types.attrsOf types.anything;
example = literalExample ''
{
"dfs.nameservices" = "namenode1";
}
'';
description = "Hadoop hdfs-site.xml definition";
};
mapredSite = mkOption {
default = {};
type = types.attrsOf types.anything;
example = literalExample ''
{
"mapreduce.map.cpu.vcores" = "1";
}
'';
description = "Hadoop mapred-site.xml definition";
};
yarnSite = mkOption {
default = {};
type = types.attrsOf types.anything;
example = literalExample ''
{
"yarn.resourcemanager.ha.id" = "resourcemanager1";
}
'';
description = "Hadoop yarn-site.xml definition";
};
package = mkOption {
type = types.package;
default = pkgs.hadoop;
defaultText = "pkgs.hadoop";
example = literalExample "pkgs.hadoop";
description = "";
};
};
config = mkMerge [
(mkIf (builtins.hasAttr "yarn" config.users.users ||
builtins.hasAttr "hdfs" config.users.users) {
users.groups.hadoop = {
gid = config.ids.gids.hadoop;
};
})
];
}