133 lines
5.1 KiB
Nix
133 lines
5.1 KiB
Nix
import ./make-test-python.nix ({ pkgs, lib, testPackage ? pkgs.cassandra, ... }:
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let
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clusterName = "NixOS Automated-Test Cluster";
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testRemoteAuth = lib.versionAtLeast testPackage.version "3.11";
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jmxRoles = [{ username = "me"; password = "password"; }];
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jmxRolesFile = ./cassandra-jmx-roles;
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jmxAuthArgs = "-u ${(builtins.elemAt jmxRoles 0).username} -pw ${(builtins.elemAt jmxRoles 0).password}";
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jmxPort = 7200; # Non-standard port so it doesn't accidentally work
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jmxPortStr = toString jmxPort;
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# Would usually be assigned to 512M.
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# Set it to a different value, so that we can check whether our config
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# actually changes it.
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numMaxHeapSize = "400";
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getHeapLimitCommand = ''
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nodetool info -p ${jmxPortStr} | grep "^Heap Memory" | awk '{print $NF}'
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'';
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checkHeapLimitCommand = pkgs.writeShellScript "check-heap-limit.sh" ''
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[ 1 -eq "$(echo "$(${getHeapLimitCommand}) < ${numMaxHeapSize}" | ${pkgs.bc}/bin/bc)" ]
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'';
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cassandraCfg = ipAddress:
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{ enable = true;
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inherit clusterName;
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listenAddress = ipAddress;
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rpcAddress = ipAddress;
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seedAddresses = [ "192.168.1.1" ];
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package = testPackage;
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maxHeapSize = "${numMaxHeapSize}M";
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heapNewSize = "100M";
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inherit jmxPort;
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};
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nodeCfg = ipAddress: extra: {pkgs, config, ...}: rec {
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environment.systemPackages = [ testPackage ];
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networking = {
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firewall.allowedTCPPorts = [ 7000 9042 services.cassandra.jmxPort ];
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useDHCP = false;
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interfaces.eth1.ipv4.addresses = pkgs.lib.mkOverride 0 [
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{ address = ipAddress; prefixLength = 24; }
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];
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};
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services.cassandra = cassandraCfg ipAddress // extra;
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};
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in
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{
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name = "cassandra-${testPackage.version}";
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meta = {
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maintainers = with lib.maintainers; [ johnazoidberg ];
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};
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nodes = {
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cass0 = nodeCfg "192.168.1.1" {};
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cass1 = nodeCfg "192.168.1.2" (lib.optionalAttrs testRemoteAuth { inherit jmxRoles; remoteJmx = true; });
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cass2 = nodeCfg "192.168.1.3" { jvmOpts = [ "-Dcassandra.replace_address=cass1" ]; };
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};
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testScript = ''
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# Check configuration
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with subtest("Timers exist"):
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cass0.succeed("systemctl list-timers | grep cassandra-full-repair.timer")
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cass0.succeed("systemctl list-timers | grep cassandra-incremental-repair.timer")
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with subtest("Can connect via cqlsh"):
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cass0.wait_for_unit("cassandra.service")
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cass0.wait_until_succeeds("nc -z cass0 9042")
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cass0.succeed("echo 'show version;' | cqlsh cass0")
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with subtest("Nodetool is operational"):
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cass0.wait_for_unit("cassandra.service")
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cass0.wait_until_succeeds("nc -z localhost ${jmxPortStr}")
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cass0.succeed("nodetool status -p ${jmxPortStr} --resolve-ip | egrep '^UN[[:space:]]+cass0'")
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with subtest("Cluster name was set"):
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cass0.wait_for_unit("cassandra.service")
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cass0.wait_until_succeeds("nc -z localhost ${jmxPortStr}")
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cass0.wait_until_succeeds(
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"nodetool describecluster -p ${jmxPortStr} | grep 'Name: ${clusterName}'"
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)
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with subtest("Heap limit set correctly"):
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# Nodetool takes a while until it can display info
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cass0.wait_until_succeeds("nodetool info -p ${jmxPortStr}")
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cass0.succeed("${checkHeapLimitCommand}")
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# Check cluster interaction
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with subtest("Bring up cluster"):
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cass1.wait_for_unit("cassandra.service")
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cass1.wait_until_succeeds(
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"nodetool -p ${jmxPortStr} ${jmxAuthArgs} status | egrep -c '^UN' | grep 2"
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)
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cass0.succeed("nodetool status -p ${jmxPortStr} --resolve-ip | egrep '^UN[[:space:]]+cass1'")
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'' + lib.optionalString testRemoteAuth ''
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with subtest("Remote authenticated jmx"):
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# Doesn't work if not enabled
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cass0.wait_until_succeeds("nc -z localhost ${jmxPortStr}")
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cass1.fail("nc -z 192.168.1.1 ${jmxPortStr}")
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cass1.fail("nodetool -p ${jmxPortStr} -h 192.168.1.1 status")
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# Works if enabled
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cass1.wait_until_succeeds("nc -z localhost ${jmxPortStr}")
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cass0.succeed("nodetool -p ${jmxPortStr} -h 192.168.1.2 ${jmxAuthArgs} status")
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'' + ''
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with subtest("Break and fix node"):
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cass1.block()
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cass0.wait_until_succeeds(
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"nodetool status -p ${jmxPortStr} --resolve-ip | egrep -c '^DN[[:space:]]+cass1'"
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)
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cass0.succeed("nodetool status -p ${jmxPortStr} | egrep -c '^UN' | grep 1")
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cass1.unblock()
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cass1.wait_until_succeeds(
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"nodetool -p ${jmxPortStr} ${jmxAuthArgs} status | egrep -c '^UN' | grep 2"
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)
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cass0.succeed("nodetool status -p ${jmxPortStr} | egrep -c '^UN' | grep 2")
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with subtest("Replace crashed node"):
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cass1.block() # .crash() waits until it's fully shutdown
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cass2.start()
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cass0.wait_until_fails(
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"nodetool status -p ${jmxPortStr} --resolve-ip | egrep '^UN[[:space:]]+cass1'"
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)
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cass2.wait_for_unit("cassandra.service")
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cass0.wait_until_succeeds(
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"nodetool status -p ${jmxPortStr} --resolve-ip | egrep '^UN[[:space:]]+cass2'"
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)
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'';
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passthru = {
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inherit testPackage;
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};
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})
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