nixpkgs/nixos/tests/cassandra.nix
Casey Ransom 9ecc587e3b cassandra service: init
The module will configure a Cassandra server with common options being
tweakable. Included is also a test which will spin up 3 nodes and
verify that the cluster can be formed, broken, and repaired.
2016-08-02 20:58:35 -04:00

68 lines
2.2 KiB
Nix

import ./make-test.nix ({ pkgs, ...}:
let
user = "cassandra";
nodeCfg = nodes: selfIP: cassandraOpts:
{
services.cassandra = {
enable = true;
listenAddress = selfIP;
rpcAddress = "0.0.0.0";
seeds = [ "192.168.1.1" ];
package = pkgs.cassandra_2_0;
jre = pkgs.openjdk;
clusterName = "ci ahoy";
authenticator = "PasswordAuthenticator";
authorizer = "CassandraAuthorizer";
user = user;
} // cassandraOpts;
nixpkgs.config.allowUnfree = true;
virtualisation.memorySize = 1024;
};
in
{
name = "cassandra-ci";
nodes = {
cass0 = {pkgs, config, nodes, ...}: nodeCfg nodes "192.168.1.1" {};
cass1 = {pkgs, config, nodes, ...}: nodeCfg nodes "192.168.1.2" {};
cass2 = {pkgs, config, nodes, ...}: nodeCfg nodes "192.168.1.3" {
extraParams = [
''JVM_OPTS="$JVM_OPTS -Dcassandra.replace_address=192.168.1.2"''
];
listenAddress = "192.168.1.3";
};
};
testScript = ''
subtest "start seed", sub {
$cass0->waitForUnit("cassandra.service");
$cass0->waitForOpenPort(9160);
$cass0->execute("echo show version | cqlsh localhost -u cassandra -p cassandra");
sleep 2;
$cass0->succeed("echo show version | cqlsh localhost -u cassandra -p cassandra");
$cass1->start;
};
subtest "cassandra user/group", sub {
$cass0->succeed("id \"${user}\" >/dev/null");
$cass1->succeed("id \"${user}\" >/dev/null");
};
subtest "bring up cassandra cluster", sub {
$cass1->waitForUnit("cassandra.service");
$cass0->waitUntilSucceeds("nodetool status | grep -c UN | grep 2");
};
subtest "break and fix node", sub {
$cass0->block;
$cass0->waitUntilSucceeds("nodetool status | grep -c DN | grep 1");
$cass0->unblock;
$cass0->waitUntilSucceeds("nodetool status | grep -c UN | grep 2");
};
subtest "replace crashed node", sub {
$cass1->crash;
$cass2->start;
$cass2->waitForUnit("cassandra.service");
$cass0->waitUntilFails("nodetool status | grep UN | grep 192.168.1.2");
$cass0->waitUntilSucceeds("nodetool status | grep UN | grep 192.168.1.3");
};
'';
})