blob: 45c2904f5585fc53c7349cee282ad36b1f56a46b (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
|
let
redisPort = 6379;
centrifugoPort = 8080;
nodes = [
"centrifugo1"
"centrifugo2"
"centrifugo3"
];
in
{ lib, ... }: {
name = "centrifugo";
meta.maintainers = [ lib.maintainers.tie ];
nodes = lib.listToAttrs (lib.imap0
(index: name: {
inherit name;
value = { config, ... }: {
services.centrifugo = {
enable = true;
settings = {
inherit name;
port = centrifugoPort;
# See https://centrifugal.dev/docs/server/engines#redis-sharding
engine = "redis";
# Connect to local Redis shard via Unix socket.
redis_address =
let
otherNodes = lib.take index nodes ++ lib.drop (index + 1) nodes;
in
map (name: "${name}:${toString redisPort}") otherNodes ++ [
"unix://${config.services.redis.servers.centrifugo.unixSocket}"
];
usage_stats_disable = true;
api_insecure = true;
};
extraGroups = [
config.services.redis.servers.centrifugo.user
];
};
services.redis.servers.centrifugo = {
enable = true;
bind = null; # all interfaces
port = redisPort;
openFirewall = true;
settings.protected-mode = false;
};
};
})
nodes);
testScript = ''
import json
redisPort = ${toString redisPort}
centrifugoPort = ${toString centrifugoPort}
start_all()
for machine in machines:
machine.wait_for_unit("redis-centrifugo.service")
machine.wait_for_open_port(redisPort)
for machine in machines:
machine.wait_for_unit("centrifugo.service")
machine.wait_for_open_port(centrifugoPort)
# See https://centrifugal.dev/docs/server/server_api#info
def list_nodes(machine):
curl = "curl --fail-with-body --silent"
body = "{}"
resp = json.loads(machine.succeed(f"{curl} -d '{body}' http://localhost:{centrifugoPort}/api/info"))
return resp["result"]["nodes"]
machineNames = {m.name for m in machines}
for machine in machines:
nodes = list_nodes(machine)
assert len(nodes) == len(machines)
nodeNames = {n['name'] for n in nodes}
assert machineNames == nodeNames
'';
}
|