nix-dotfiles/nixos/big_data.nix
2022-04-13 19:24:34 +02:00

265 lines
8.3 KiB
Nix

{ config, lib, pkgs, ... }:
let sparkConfDir = pkgs.stdenv.mkDerivation {
name = "spark-config";
dontUnpack = true;
installPhase = ''
# source standard environment
. $stdenv/setup
# shorthands
base_conf=${pkgs.spark}/lib/${pkgs.spark.untarDir}/conf/
# create output dirs for new derivation
mkdir -p $out/
# link unchanged files from the original gnome-session
for f in $base_conf/*.template ; do
ln -sf $f $out/
done
# change selected files
cp $out/log4j.properties{.template,}
cat > $out/spark-env.sh <<- STOP
export JAVA_HOME="${pkgs.jdk8}"
export SPARK_HOME="${pkgs.spark}/lib/${pkgs.spark.untarDir}"
export SPARK_DIST_CLASSPATH=$(${pkgs.hadoop}/bin/hadoop classpath)
export PYSPARK_PYTHON="${pkgs.python3Packages.python}/bin/${pkgs.python3Packages.python.executable}"
export PYTHONPATH="\$PYTHONPATH:$PYTHONPATH"
export SPARKR_R_SHELL="${pkgs.R}/bin/R"
export PATH="\$PATH:${pkgs.R}/bin"
STOP
cat > $out/spark-defaults.conf <<- STOP
spark.eventLog.enabled true
spark.eventLog.dir hdfs://localhost:/logs/spark
spark.history.fs.logDirectory hdfs://localhost:/logs/spark
STOP
'';
};
in
{
networking = {
hosts = {
"127.0.0.1" = [
"ds.my.engine"
"kdc.my.engine"
"my.engine"
];
};
};
services = {
spark = {
master = {
enable = true;
restartIfChanged = true;
};
worker = {
enable = true;
restartIfChanged = true;
};
confDir = sparkConfDir;
};
hadoop =
let
keytab_path = /etc/hadoop.keytab;
in
{
coreSite = {
# "fs.defaultFS" = "hdfs://0.0.0.0:8020";
# "hadoop.http.authentication.simple.anonymous.allowed" = "false";
# "hadoop.http.authentication.signature.secret.file" = "/var/lib/hadoop/security/http_secret";
# "hadoop.http.authentication.type" = "kerberos";
# "hadoop.http.authentication.kerberos.principal" = "http/my.engine@MY.ENGINE";
# "hadoop.http.authentication.cookie.domain" = "my.engine";
# "hadoop.security.authentication" = "kerberos";
# "hadoop.security.authorization" = "true";
# "hadoop.rpc.protection" = "authentication";
# "hadoop.rpc.protection" = "authentication";
# "hadoop.security.auth_to_local" = ''
# RULE:[2:$1/$2@$0]([ndj]n/.*@MY.ENGINE)s/.*/hdfs/
# RULE:[2:$1/$2@$0]([rn]m/.*@MY.ENGINE)s/.*/yarn/
# RULE:[2:$1/$2@$0](jhs/.*@MY.ENGINE)s/.*/mapred/
# DEFAULT
# '';
# "hadoop.proxyuser.superuser.hosts" = "*"; # TODO: restrict
# "hadoop.proxyuser.superuser.groups" = "*"; # TODO: restrict
"fs.defaultFS" = "hdfs://my.engine:8020";
# HDFS IMPERSONATION
"hadoop.proxyuser.hdfs.hosts" = "*";
"hadoop.proxyuser.hdfs.groups" = "*";
# HIVE IMPERSONATION
"hadoop.proxyuser.hive.hosts" = "*";
"hadoop.proxyuser.hive.groups" = "*";
# ENABLE AUTHENTICATION
"hadoop.security.authentication" = "kerberos";
"hadoop.security.authorization" = "true";
"hadoop.rpc.protection" = "privacy";
"hadoop.security.auth_to_local" = ''
RULE:[2:$1/$2@$0]([ndj]n/.*@MY\.ENGINE)s/.*/hdfs/
RULE:[2:$1/$2@$0]([rn]m/.*@MY\.ENGINE)s/.*/yarn/
RULE:[2:$1/$2@$0](jhs/.*@MY\.ENGINE)s/.*/mapred/
DEFAULT
'';
};
hdfsSite = {
# DATA
"dfs.namenode.name.dir" = "/hdfs/dfs/name";
"dfs.datanode.data.dir" = "/hdfs/dfs/data";
# HDFS SECURITY
"dfs.block.access.token.enable" = "true";
# NAME NODE SECURITY
"dfs.namenode.keytab.file" = keytab_path;
"dfs.namenode.kerberos.principal" = "nn/my.engine@MY.ENGINE";
"dfs.namenode.kerberos.internal.spnego.principal" = "HTTP/my.engine@MY.ENGINE";
# SECONDARY NAME NODE SECURITY
"dfs.secondary.namenode.keytab.file" = keytab_path;
"dfs.secondary.namenode.kerberos.principal" = "nn/my.engine@MY.ENGINE";
"dfs.secondary.namenode.kerberos.internal.spnego.principal" = "HTTP/my.engine@MY.ENGINE";
# DATA NODE SECURITY
"dfs.datanode.keytab.file" = keytab_path;
"dfs.datanode.kerberos.principal" = "dn/my.engine@MY.ENGINE";
# WEBHDFS SECURITY
"dfs.webhdfs.enabled" = "true";
# WEB AUTHENTICATION CONFIG
"dfs.web.authentication.kerberos.principal" = "HTTP/my.engine@MY.ENGINE";
"dfs.web.authentication.kerberos.keytab" = keytab_path;
"ignore.secure.ports.for.testing" = "true";
"dfs.http.policy" = "HTTP_ONLY";
"dfs.data.transfer.protection" = "privacy";
# ## MULTIHOMED
# "dfs.namenode.rpc-bind-host" = "0.0.0.0";
# "dfs.namenode.servicerpc-bind-host" = "0.0.0.0";
# "dfs.namenode.http-bind-host" = "0.0.0.0";
# "dfs.namenode.https-bind-host" = "0.0.0.0";
# "dfs.client.use.datanode.hostname" = "true"; # force connection by hostname
# "dfs.datanode.use.datanode.hostname" = "true"; # force connection by hostname
# "dfs.data.transfer.protection" = "privacy";
# "hadoop.rpc.protection" = "privacy";
# "dfs.http.policy" = "HTTP_ONLY";
# "dfs.datanode.address" = "0.0.0.0:10019";
# "dfs.datanode.http.address" = "0.0.0.0:10022";
# "dfs.datanode.https.address" = "0.0.0.0:10023";
# "dfs.datanode.kerberos.principal" = "dn/my.engine@MY.ENGINE";
# "dfs.datanode.keytab.file" = keytab_path;
# "dfs.namenode.kerberos.principal" = "nn/my.engine@MY.ENGINE";
# "dfs.namenode.keytab.file" = keytab_path;
# "dfs.block.access.token.enable" = "true";
};
yarnSite = {
# "yarn.acl.enable" = "true";
# "yarn.admin.acl" = "*"; # TODO: restrict
};
extraConfDirs = [ ];
hdfs = {
namenode = { enable = true; formatOnInit = true; restartIfChanged = true; };
datanode = { enable = true; restartIfChanged = true; };
journalnode = { enable = true; restartIfChanged = true; };
zkfc = { enable = true; restartIfChanged = true; };
httpfs = { enable = true; restartIfChanged = true; };
};
yarn = { resourcemanager.enable = true; nodemanager.enable = true; };
};
kerberos_server = {
enable = true;
realms."MY.ENGINE".acl = [
{ principal = "*/admin"; access = "all"; }
{ principal = "admin"; access = "all"; }
{ principal = "*/localhost"; access = "all"; }
{ principal = "*/my.engine"; access = "all"; }
{ principal = "nn/my.engine"; access = "all"; }
{ principal = "hdfs"; access = "all"; }
];
};
};
krb5 = {
enable = true;
realms = {
"MY.ENGINE" = {
admin_server = "kdc.my.engine";
kdc = "kdc.my.engine";
# default_domain = "my.engine";
# kpasswd_server = "odin";
};
};
domain_realm = {
# ".my.engine" = "MY.ENGINE";
"my.engine" = "MY.ENGINE";
};
libdefaults = {
default_realm = "MY.ENGINE";
dns_lookup_realm = true;
dns_lookup_kdc = true;
ticket_lifetime = "24h";
renew_lifetime = "7d";
forwardable = true;
};
extraConfig = ''
[logging]
default = FILE:/var/log/krb5libs.log
kdc = FILE:/var/log/krb5kdc.log
admin_server = FILE:/var/log/kadmind.log
'';
};
systemd.services.spark-history = {
path = with pkgs; [ procps openssh nettools ];
description = "spark history service.";
after = [ "network.target" ];
wantedBy = [ "multi-user.target" ];
restartIfChanged = true;
environment = {
SPARK_CONF_DIR = sparkConfDir;
SPARK_LOG_DIR = "/var/log/spark";
};
serviceConfig = {
Type = "forking";
User = "spark";
Group = "spark";
WorkingDirectory = "${pkgs.spark}/lib/${pkgs.spark.untarDir}";
ExecStart = "${pkgs.spark}/lib/${pkgs.spark.untarDir}/sbin/start-history-server.sh";
ExecStop = "${pkgs.spark}/lib/${pkgs.spark.untarDir}/sbin/stop-history-server.sh";
TimeoutSec = 300;
StartLimitBurst = 10;
Restart = "always";
};
};
}