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45 lines
1.7 KiB
Nix
45 lines
1.7 KiB
Nix
{ cfg, pkgs, lib }:
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let
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propertyXml = name: value: lib.optionalString (value != null) ''
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<property>
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<name>${name}</name>
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<value>${builtins.toString value}</value>
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</property>
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'';
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siteXml = fileName: properties: pkgs.writeTextDir fileName ''
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<?xml version="1.0" encoding="UTF-8" standalone="no"?>
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<!-- generated by NixOS -->
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<configuration>
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${builtins.concatStringsSep "\n" (pkgs.lib.mapAttrsToList propertyXml properties)}
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</configuration>
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'';
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cfgLine = name: value: ''
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${name}=${builtins.toString value}
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'';
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cfgFile = fileName: properties: pkgs.writeTextDir fileName ''
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# generated by NixOS
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${builtins.concatStringsSep "" (pkgs.lib.mapAttrsToList cfgLine properties)}
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'';
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userFunctions = ''
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hadoop_verify_logdir() {
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echo Skipping verification of log directory
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}
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'';
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hadoopEnv = ''
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export HADOOP_LOG_DIR=/tmp/hadoop/$USER
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'';
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in
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pkgs.runCommand "hadoop-conf" {} (with cfg; ''
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mkdir -p $out/
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cp ${siteXml "core-site.xml" (coreSite // coreSiteInternal)}/* $out/
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cp ${siteXml "hdfs-site.xml" (hdfsSiteDefault // hdfsSite // hdfsSiteInternal)}/* $out/
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cp ${siteXml "mapred-site.xml" (mapredSiteDefault // mapredSite)}/* $out/
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cp ${siteXml "yarn-site.xml" (yarnSiteDefault // yarnSite // yarnSiteInternal)}/* $out/
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cp ${siteXml "httpfs-site.xml" httpfsSite}/* $out/
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cp ${cfgFile "container-executor.cfg" containerExecutorCfg}/* $out/
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cp ${pkgs.writeTextDir "hadoop-user-functions.sh" userFunctions}/* $out/
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cp ${pkgs.writeTextDir "hadoop-env.sh" hadoopEnv}/* $out/
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cp ${log4jProperties} $out/log4j.properties
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${lib.concatMapStringsSep "\n" (dir: "cp -r ${dir}/* $out/") extraConfDirs}
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'')
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