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nixos/hadoop: add gateway role

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This commit is contained in:
illustris 2022-02-27 11:52:18 +05:30
parent d39056d165
commit 716b0dfaaf
4 changed files with 57 additions and 52 deletions
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31
nixos/modules/services/cluster/hadoop/default.nix
View file

@ -149,6 +149,8 @@ with lib;
description = "Directories containing additional config files to be added to HADOOP_CONF_DIR";
};
gatewayRole.enable = mkEnableOption "gateway role for deploying hadoop configs";
package = mkOption {
type = types.package;
default = pkgs.hadoop;
@ -158,21 +160,16 @@ with lib;
};
config = mkMerge [
(mkIf (builtins.hasAttr "yarn" config.users.users ||
builtins.hasAttr "hdfs" config.users.users ||
builtins.hasAttr "httpfs" config.users.users) {
users.groups.hadoop = {
gid = config.ids.gids.hadoop;
};
environment = {
systemPackages = [ cfg.package ];
etc."hadoop-conf".source = let
hadoopConf = "${import ./conf.nix { inherit cfg pkgs lib; }}/";
in "${hadoopConf}";
variables.HADOOP_CONF_DIR = "/etc/hadoop-conf/";
};
})
];
config = mkIf cfg.gatewayRole.enable {
users.groups.hadoop = {
gid = config.ids.gids.hadoop;
};
environment = {
systemPackages = [ cfg.package ];
etc."hadoop-conf".source = let
hadoopConf = "${import ./conf.nix { inherit cfg pkgs lib; }}/";
in "${hadoopConf}";
variables.HADOOP_CONF_DIR = "/etc/hadoop-conf/";
};
};
}

21
nixos/modules/services/cluster/hadoop/hdfs.nix
View file

@ -51,6 +51,8 @@ let
};
};
services.hadoop.gatewayRole.enable = true;
networking.firewall.allowedTCPPorts = mkIf
((builtins.hasAttr "openFirewall" serviceOptions) && serviceOptions.openFirewall)
allowedTCPPorts;
@ -145,17 +147,13 @@ in
];
})
(mkIf
(
cfg.hdfs.namenode.enable || cfg.hdfs.datanode.enable || cfg.hdfs.journalnode.enable || cfg.hdfs.zkfc.enable
)
{
users.users.hdfs = {
description = "Hadoop HDFS user";
group = "hadoop";
uid = config.ids.uids.hdfs;
};
})
(mkIf cfg.gatewayRole.enable {
users.users.hdfs = {
description = "Hadoop HDFS user";
group = "hadoop";
uid = config.ids.uids.hdfs;
};
})
(mkIf cfg.hdfs.httpfs.enable {
users.users.httpfs = {
description = "Hadoop HTTPFS user";
@ -163,5 +161,6 @@ in
isSystemUser = true;
};
})
];
}

10
nixos/modules/services/cluster/hadoop/yarn.nix
View file

@ -49,10 +49,7 @@ in
};
config = mkMerge [
(mkIf (
cfg.yarn.resourcemanager.enable || cfg.yarn.nodemanager.enable
) {
(mkIf cfg.gatewayRole.enable {
users.users.yarn = {
description = "Hadoop YARN user";
group = "hadoop";
@ -74,6 +71,9 @@ in
Restart = "always";
};
};
services.hadoop.gatewayRole.enable = true;
networking.firewall.allowedTCPPorts = (mkIf cfg.yarn.resourcemanager.openFirewall [
8088 # resourcemanager.webapp.address
8030 # resourcemanager.scheduler.address
@ -119,6 +119,8 @@ in
};
};
services.hadoop.gatewayRole.enable = true;
networking.firewall.allowedTCPPortRanges = [
(mkIf (cfg.yarn.nodemanager.openFirewall) {from = 1024; to = 65535;})
];

47
nixos/tests/hadoop/hadoop.nix
View file

@ -145,7 +145,14 @@ import ../make-test-python.nix ({ package, ... }: {
};
};
};
};
client = { options, ... }: {
services.hadoop = {
gatewayRole.enable = true;
inherit package coreSite hdfsSite;
yarnSite = options.services.hadoop.yarnSite.default // yarnSiteHA;
};
};
};
testScript = ''
start_all()
@ -202,26 +209,26 @@ import ../make-test-python.nix ({ package, ... }: {
# DN should have started by now, but confirm anyway
dn1.wait_for_unit("hdfs-datanode")
# Print states of namenodes
dn1.succeed("sudo -u hdfs hdfs haadmin -getAllServiceState | systemd-cat")
client.succeed("sudo -u hdfs hdfs haadmin -getAllServiceState | systemd-cat")
# Wait for cluster to exit safemode
dn1.succeed("sudo -u hdfs hdfs dfsadmin -safemode wait")
dn1.succeed("sudo -u hdfs hdfs haadmin -getAllServiceState | systemd-cat")
client.succeed("sudo -u hdfs hdfs dfsadmin -safemode wait")
client.succeed("sudo -u hdfs hdfs haadmin -getAllServiceState | systemd-cat")
# test R/W
dn1.succeed("echo testfilecontents | sudo -u hdfs hdfs dfs -put - /testfile")
assert "testfilecontents" in dn1.succeed("sudo -u hdfs hdfs dfs -cat /testfile")
client.succeed("echo testfilecontents | sudo -u hdfs hdfs dfs -put - /testfile")
assert "testfilecontents" in client.succeed("sudo -u hdfs hdfs dfs -cat /testfile")
# Test NN failover
nn1.succeed("systemctl stop hdfs-namenode")
assert "active" in dn1.succeed("sudo -u hdfs hdfs haadmin -getAllServiceState")
dn1.succeed("sudo -u hdfs hdfs haadmin -getAllServiceState | systemd-cat")
assert "testfilecontents" in dn1.succeed("sudo -u hdfs hdfs dfs -cat /testfile")
assert "active" in client.succeed("sudo -u hdfs hdfs haadmin -getAllServiceState")
client.succeed("sudo -u hdfs hdfs haadmin -getAllServiceState | systemd-cat")
assert "testfilecontents" in client.succeed("sudo -u hdfs hdfs dfs -cat /testfile")
nn1.succeed("systemctl start hdfs-namenode")
nn1.wait_for_open_port(9870)
nn1.wait_for_open_port(8022)
nn1.wait_for_open_port(8020)
assert "standby" in dn1.succeed("sudo -u hdfs hdfs haadmin -getAllServiceState")
dn1.succeed("sudo -u hdfs hdfs haadmin -getAllServiceState | systemd-cat")
assert "standby" in client.succeed("sudo -u hdfs hdfs haadmin -getAllServiceState")
client.succeed("sudo -u hdfs hdfs haadmin -getAllServiceState | systemd-cat")
#### YARN tests ####
@ -237,21 +244,21 @@ import ../make-test-python.nix ({ package, ... }: {
nm1.wait_for_unit("yarn-nodemanager")
nm1.wait_for_open_port(8042)
nm1.wait_for_open_port(8040)
nm1.wait_until_succeeds("yarn node -list | grep Nodes:1")
nm1.succeed("sudo -u yarn yarn rmadmin -getAllServiceState | systemd-cat")
nm1.succeed("sudo -u yarn yarn node -list | systemd-cat")
client.wait_until_succeeds("yarn node -list | grep Nodes:1")
client.succeed("sudo -u yarn yarn rmadmin -getAllServiceState | systemd-cat")
client.succeed("sudo -u yarn yarn node -list | systemd-cat")
# Test RM failover
rm1.succeed("systemctl stop yarn-resourcemanager")
assert "standby" not in nm1.succeed("sudo -u yarn yarn rmadmin -getAllServiceState")
nm1.succeed("sudo -u yarn yarn rmadmin -getAllServiceState | systemd-cat")
assert "standby" not in client.succeed("sudo -u yarn yarn rmadmin -getAllServiceState")
client.succeed("sudo -u yarn yarn rmadmin -getAllServiceState | systemd-cat")
rm1.succeed("systemctl start yarn-resourcemanager")
rm1.wait_for_unit("yarn-resourcemanager")
rm1.wait_for_open_port(8088)
assert "standby" in nm1.succeed("sudo -u yarn yarn rmadmin -getAllServiceState")
nm1.succeed("sudo -u yarn yarn rmadmin -getAllServiceState | systemd-cat")
assert "standby" in client.succeed("sudo -u yarn yarn rmadmin -getAllServiceState")
client.succeed("sudo -u yarn yarn rmadmin -getAllServiceState | systemd-cat")
assert "Estimated value of Pi is" in nm1.succeed("HADOOP_USER_NAME=hdfs yarn jar $(readlink $(which yarn) | sed -r 's~bin/yarn~lib/hadoop-*/share/hadoop/mapreduce/hadoop-mapreduce-examples-*.jar~g') pi 2 10")
assert "SUCCEEDED" in nm1.succeed("yarn application -list -appStates FINISHED")
assert "Estimated value of Pi is" in client.succeed("HADOOP_USER_NAME=hdfs yarn jar $(readlink $(which yarn) | sed -r 's~bin/yarn~lib/hadoop-*/share/hadoop/mapreduce/hadoop-mapreduce-examples-*.jar~g') pi 2 10")
assert "SUCCEEDED" in client.succeed("yarn application -list -appStates FINISHED")
'';
})