39c007ce9c
- Add HDFS journalnode and ZKFC services - Test failover of HDFS and YARN master services in full hadoop test - Check if a minimal HDFS cluster works in the minimal HDFS test
54 lines
1.5 KiB
Nix
54 lines
1.5 KiB
Nix
# Test a minimal HDFS cluster with no HA
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import ../make-test-python.nix ({...}: {
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nodes = {
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namenode = {pkgs, ...}: {
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services.hadoop = {
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package = pkgs.hadoop;
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hdfs.namenode = {
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enabled = true;
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formatOnInit = true;
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};
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coreSite = {
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"fs.defaultFS" = "hdfs://namenode:8020";
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};
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hdfsSite = {
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"dfs.replication" = 1;
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"dfs.namenode.rpc-bind-host" = "0.0.0.0";
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"dfs.namenode.http-bind-host" = "0.0.0.0";
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};
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};
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};
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datanode = {pkgs, ...}: {
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services.hadoop = {
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package = pkgs.hadoop;
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hdfs.datanode.enabled = true;
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coreSite = {
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"fs.defaultFS" = "hdfs://namenode:8020";
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};
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};
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};
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};
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testScript = ''
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start_all()
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namenode.wait_for_unit("hdfs-namenode")
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namenode.wait_for_unit("network.target")
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namenode.wait_for_open_port(8020)
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namenode.wait_for_open_port(9870)
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datanode.wait_for_unit("hdfs-datanode")
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datanode.wait_for_unit("network.target")
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datanode.wait_for_open_port(9864)
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datanode.wait_for_open_port(9866)
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datanode.wait_for_open_port(9867)
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namenode.succeed("curl -f http://namenode:9870")
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datanode.succeed("curl -f http://datanode:9864")
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datanode.succeed("sudo -u hdfs hdfs dfsadmin -safemode wait")
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datanode.succeed("echo testfilecontents | sudo -u hdfs hdfs dfs -put - /testfile")
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assert "testfilecontents" in datanode.succeed("sudo -u hdfs hdfs dfs -cat /testfile")
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'';
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})
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