nixpkgs/nixos/tests/cassandra.nix
Thomas Bach 31e11bdd60 cassandra: rewrote service from scratch
Adds a replacement for the previously broken
`services.database.cassandra` with tests for a multi-node setup.
2018-08-07 14:48:43 +00:00

72 lines
2.6 KiB
Nix

import ./make-test.nix ({ pkgs, ...}:
let
# Change this to test a different version of Cassandra:
testPackage = pkgs.cassandra;
cassandraCfg =
{ enable = true;
listenAddress = null;
listenInterface = "eth1";
rpcAddress = null;
rpcInterface = "eth1";
extraConfig =
{ start_native_transport = true;
seed_provider =
[{ class_name = "org.apache.cassandra.locator.SimpleSeedProvider";
parameters = [ { seeds = "cass0"; } ];
}];
};
package = testPackage;
};
nodeCfg = extra: {pkgs, config, ...}:
{ environment.systemPackages = [ testPackage ];
networking.firewall.enable = false;
services.cassandra = cassandraCfg // extra;
virtualisation.memorySize = 1024;
};
in
{
name = "cassandra-ci";
nodes = {
cass0 = nodeCfg {};
cass1 = nodeCfg {};
cass2 = nodeCfg { jvmOpts = [ "-Dcassandra.replace_address=cass1" ]; };
};
testScript = ''
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 "bring up cluster", sub {
$cass1->waitForUnit("cassandra.service");
$cass1->waitUntilSucceeds("nodetool status | egrep -c '^UN' | grep 2");
$cass0->succeed("nodetool status --resolve-ip | egrep '^UN[[:space:]]+cass1'");
};
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 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'");
};
'';
})