import ./make-test.nix ({ pkgs, lib, ... }: let # Change this to test a different version of Cassandra: testPackage = pkgs.cassandra; clusterName = "NixOS Automated-Test Cluster"; testRemoteAuth = lib.versionAtLeast testPackage.version "3.11"; jmxRoles = [{ username = "me"; password = "password"; }]; jmxRolesFile = ./cassandra-jmx-roles; jmxAuthArgs = "-u ${(builtins.elemAt jmxRoles 0).username} -pw ${(builtins.elemAt jmxRoles 0).password}"; # Would usually be assigned to 512M numMaxHeapSize = "400"; getHeapLimitCommand = '' nodetool info | grep "^Heap Memory" | awk \'{print $NF}\' ''; checkHeapLimitCommand = '' [ 1 -eq "$(echo "$(${getHeapLimitCommand}) < ${numMaxHeapSize}" | ${pkgs.bc}/bin/bc)" ] ''; cassandraCfg = ipAddress: { enable = true; inherit clusterName; listenAddress = ipAddress; rpcAddress = ipAddress; seedAddresses = [ "192.168.1.1" ]; package = testPackage; maxHeapSize = "${numMaxHeapSize}M"; heapNewSize = "100M"; }; nodeCfg = ipAddress: extra: {pkgs, config, ...}: { environment.systemPackages = [ testPackage ]; networking = { firewall.allowedTCPPorts = [ 7000 7199 9042 ]; useDHCP = false; interfaces.eth1.ipv4.addresses = pkgs.lib.mkOverride 0 [ { address = ipAddress; prefixLength = 24; } ]; }; services.cassandra = cassandraCfg ipAddress // extra; virtualisation.memorySize = 1024; }; in { name = "cassandra-ci"; nodes = { cass0 = nodeCfg "192.168.1.1" {}; cass1 = nodeCfg "192.168.1.2" (lib.optionalAttrs testRemoteAuth { inherit jmxRoles; remoteJmx = true; }); cass2 = nodeCfg "192.168.1.3" { jvmOpts = [ "-Dcassandra.replace_address=cass1" ]; }; }; testScript = '' # Check configuration subtest "Timers exist", sub { $cass0->succeed("systemctl list-timers | grep cassandra-full-repair.timer"); $cass0->succeed("systemctl list-timers | grep cassandra-incremental-repair.timer"); }; subtest "Can connect via cqlsh", sub { $cass0->waitForUnit("cassandra.service"); $cass0->waitUntilSucceeds("nc -z cass0 9042"); $cass0->succeed("echo 'show version;' | cqlsh cass0"); }; subtest "Nodetool is operational", sub { $cass0->waitForUnit("cassandra.service"); $cass0->waitUntilSucceeds("nc -z localhost 7199"); $cass0->succeed("nodetool status --resolve-ip | egrep '^UN[[:space:]]+cass0'"); }; subtest "Cluster name was set", sub { $cass0->waitForUnit("cassandra.service"); $cass0->waitUntilSucceeds("nc -z localhost 7199"); $cass0->waitUntilSucceeds("nodetool describecluster | grep 'Name: ${clusterName}'"); }; subtest "Heap limit set correctly", sub { # Nodetool takes a while until it can display info $cass0->waitUntilSucceeds('nodetool info'); $cass0->succeed('${checkHeapLimitCommand}'); }; # Check cluster interaction subtest "Bring up cluster", sub { $cass1->waitForUnit("cassandra.service"); $cass1->waitUntilSucceeds("nodetool ${jmxAuthArgs} status | egrep -c '^UN' | grep 2"); $cass0->succeed("nodetool status --resolve-ip | egrep '^UN[[:space:]]+cass1'"); }; '' + lib.optionalString testRemoteAuth '' subtest "Remote authenticated jmx", sub { # Doesn't work if not enabled $cass0->waitUntilSucceeds("nc -z localhost 7199"); $cass1->fail("nc -z 192.168.1.1 7199"); $cass1->fail("nodetool -h 192.168.1.1 status"); # Works if enabled $cass1->waitUntilSucceeds("nc -z localhost 7199"); $cass0->succeed("nodetool -h 192.168.1.2 ${jmxAuthArgs} status"); }; '' + '' subtest "Break and fix node", sub { $cass1->block; $cass0->waitUntilSucceeds("nodetool status --resolve-ip | egrep -c '^DN[[:space:]]+cass1'"); $cass0->succeed("nodetool status | egrep -c '^UN' | grep 1"); $cass1->unblock; $cass1->waitUntilSucceeds("nodetool ${jmxAuthArgs} status | egrep -c '^UN' | grep 2"); $cass0->succeed("nodetool status | egrep -c '^UN' | grep 2"); }; subtest "Replace crashed node", sub { $cass1->crash; $cass2->waitForUnit("cassandra.service"); $cass0->waitUntilFails("nodetool status --resolve-ip | egrep '^UN[[:space:]]+cass1'"); $cass0->waitUntilSucceeds("nodetool status --resolve-ip | egrep '^UN[[:space:]]+cass2'"); }; ''; })