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nixos/hadoop: fix tests for hadoop 2 and 3.2

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This commit is contained in:
illustris 2022-02-27 10:41:05 +05:30
parent 8aeb60f034
commit d39056d165
3 changed files with 35 additions and 16 deletions
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1
nixos/modules/services/cluster/hadoop/default.nix
View file

@ -25,6 +25,7 @@ with lib;
hdfsSite = mkOption {
default = {
"dfs.namenode.rpc-bind-host" = "0.0.0.0";
"dfs.namenode.http-address" = "0.0.0.0:9870";
};
type = types.attrsOf types.anything;
example = literalExpression ''

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

@ -100,7 +100,8 @@ in
allowedTCPPorts = [
9870 # namenode.http-address
8020 # namenode.rpc-address
8022 # namenode. servicerpc-address
8022 # namenode.servicerpc-address
8019 # dfs.ha.zkfc.port
];
preStart = (mkIf cfg.hdfs.namenode.formatOnInit
"${cfg.package}/bin/hdfs --config ${hadoopConf} namenode -format -nonInteractive || true"
@ -109,10 +110,15 @@ in
(hadoopServiceConfig {
name = "DataNode";
allowedTCPPorts = [
# port numbers for datanode changed between hadoop 2 and 3
allowedTCPPorts = if versionAtLeast cfg.package.version "3" then [
9864 # datanode.http.address
9866 # datanode.address
9867 # datanode.ipc.address
] else [
50075 # datanode.http.address
50010 # datanode.address
50020 # datanode.ipc.address
];
})

40
nixos/tests/hadoop/hdfs.nix
View file

@ -1,8 +1,16 @@
# Test a minimal HDFS cluster with no HA
import ../make-test-python.nix ({ package, ... }: {
import ../make-test-python.nix ({ package, lib, ... }:
with lib;
{
name = "hadoop-hdfs";
nodes = {
nodes = let
coreSite = {
"fs.defaultFS" = "hdfs://namenode:8020";
"hadoop.proxyuser.httpfs.groups" = "*";
"hadoop.proxyuser.httpfs.hosts" = "*";
};
in {
namenode = { pkgs, ... }: {
services.hadoop = {
inherit package;
@ -13,15 +21,12 @@ import ../make-test-python.nix ({ package, ... }: {
formatOnInit = true;
};
httpfs = {
enable = true;
# The NixOS hadoop module only support webHDFS on 3.3 and newer
enable = mkIf (versionAtLeast package.version "3.3") true;
openFirewall = true;
};
};
coreSite = {
"fs.defaultFS" = "hdfs://namenode:8020";
"hadoop.proxyuser.httpfs.groups" = "*";
"hadoop.proxyuser.httpfs.hosts" = "*";
};
inherit coreSite;
};
};
datanode = { pkgs, ... }: {
@ -31,11 +36,7 @@ import ../make-test-python.nix ({ package, ... }: {
enable = true;
openFirewall = true;
};
coreSite = {
"fs.defaultFS" = "hdfs://namenode:8020";
"hadoop.proxyuser.httpfs.groups" = "*";
"hadoop.proxyuser.httpfs.hosts" = "*";
};
inherit coreSite;
};
};
};
@ -46,21 +47,32 @@ import ../make-test-python.nix ({ package, ... }: {
namenode.wait_for_unit("hdfs-namenode")
namenode.wait_for_unit("network.target")
namenode.wait_for_open_port(8020)
namenode.succeed("ss -tulpne | systemd-cat")
namenode.succeed("cat /etc/hadoop*/hdfs-site.xml | systemd-cat")
namenode.wait_for_open_port(9870)
datanode.wait_for_unit("hdfs-datanode")
datanode.wait_for_unit("network.target")
'' + ( if versionAtLeast package.version "3" then ''
datanode.wait_for_open_port(9864)
datanode.wait_for_open_port(9866)
datanode.wait_for_open_port(9867)
namenode.succeed("curl -f http://namenode:9870")
datanode.succeed("curl -f http://datanode:9864")
'' else ''
datanode.wait_for_open_port(50075)
datanode.wait_for_open_port(50010)
datanode.wait_for_open_port(50020)
datanode.succeed("curl -f http://datanode:50075")
'' ) + ''
namenode.succeed("curl -f http://namenode:9870")
datanode.succeed("sudo -u hdfs hdfs dfsadmin -safemode wait")
datanode.succeed("echo testfilecontents | sudo -u hdfs hdfs dfs -put - /testfile")
assert "testfilecontents" in datanode.succeed("sudo -u hdfs hdfs dfs -cat /testfile")
'' + optionalString ( versionAtLeast package.version "3.3" ) ''
namenode.wait_for_unit("hdfs-httpfs")
namenode.wait_for_open_port(14000)
assert "testfilecontents" in datanode.succeed("curl -f \"http://namenode:14000/webhdfs/v1/testfile?user.name=hdfs&op=OPEN\" 2>&1")