pyrox.dev
1import ./make-test-python.nix (
2 { pkgs, lib, ... }:
3
4 let
5 cfg = {
6 clusterId = "066ae264-2a5d-4729-8001-6ad265f50b03";
7 monA = {
8 name = "a";
9 ip = "192.168.1.1";
10 };
11 osd0 = {
12 name = "0";
13 key = "AQBCEJNa3s8nHRAANvdsr93KqzBznuIWm2gOGg==";
14 uuid = "55ba2294-3e24-478f-bee0-9dca4c231dd9";
15 };
16 osd1 = {
17 name = "1";
18 key = "AQBEEJNac00kExAAXEgy943BGyOpVH1LLlHafQ==";
19 uuid = "5e97a838-85b6-43b0-8950-cb56d554d1e5";
20 };
21 osd2 = {
22 name = "2";
23 key = "AQAdyhZeIaUlARAAGRoidDAmS6Vkp546UFEf5w==";
24 uuid = "ea999274-13d0-4dd5-9af9-ad25a324f72f";
25 };
26 };
27 generateCephConfig =
28 { daemonConfig }:
29 {
30 enable = true;
31 global = {
32 fsid = cfg.clusterId;
33 monHost = cfg.monA.ip;
34 monInitialMembers = cfg.monA.name;
35 };
36 }
37 // daemonConfig;
38
39 generateHost =
40 {
41 pkgs,
42 cephConfig,
43 networkConfig,
44 ...
45 }:
46 {
47 virtualisation = {
48 emptyDiskImages = [
49 20480
50 20480
51 20480
52 ];
53 vlans = [ 1 ];
54 };
55
56 networking = networkConfig;
57
58 environment.systemPackages = with pkgs; [
59 bash
60 sudo
61 ceph
62 xfsprogs
63 ];
64
65 boot.kernelModules = [ "xfs" ];
66
67 services.ceph = cephConfig;
68 };
69
70 networkMonA = {
71 dhcpcd.enable = false;
72 interfaces.eth1.ipv4.addresses = pkgs.lib.mkOverride 0 [
73 {
74 address = cfg.monA.ip;
75 prefixLength = 24;
76 }
77 ];
78 };
79 cephConfigMonA = generateCephConfig {
80 daemonConfig = {
81 mon = {
82 enable = true;
83 daemons = [ cfg.monA.name ];
84 };
85 mgr = {
86 enable = true;
87 daemons = [ cfg.monA.name ];
88 };
89 osd = {
90 enable = true;
91 daemons = [
92 cfg.osd0.name
93 cfg.osd1.name
94 cfg.osd2.name
95 ];
96 };
97 };
98 };
99
100 # Following deployment is based on the manual deployment described here:
101 # https://docs.ceph.com/docs/master/install/manual-deployment/
102 # For other ways to deploy a ceph cluster, look at the documentation at
103 # https://docs.ceph.com/docs/master/
104 testscript =
105 { ... }:
106 ''
107 start_all()
108
109 monA.wait_for_unit("network.target")
110
111 # Bootstrap ceph-mon daemon
112 monA.succeed(
113 "sudo -u ceph ceph-authtool --create-keyring /tmp/ceph.mon.keyring --gen-key -n mon. --cap mon 'allow *'",
114 "sudo -u ceph ceph-authtool --create-keyring /etc/ceph/ceph.client.admin.keyring --gen-key -n client.admin --cap mon 'allow *' --cap osd 'allow *' --cap mds 'allow *' --cap mgr 'allow *'",
115 "sudo -u ceph ceph-authtool /tmp/ceph.mon.keyring --import-keyring /etc/ceph/ceph.client.admin.keyring",
116 "monmaptool --create --add ${cfg.monA.name} ${cfg.monA.ip} --fsid ${cfg.clusterId} /tmp/monmap",
117 "sudo -u ceph ceph-mon --mkfs -i ${cfg.monA.name} --monmap /tmp/monmap --keyring /tmp/ceph.mon.keyring",
118 "sudo -u ceph touch /var/lib/ceph/mon/ceph-${cfg.monA.name}/done",
119 "systemctl start ceph-mon-${cfg.monA.name}",
120 )
121 monA.wait_for_unit("ceph-mon-${cfg.monA.name}")
122 monA.succeed("ceph mon enable-msgr2")
123 monA.succeed("ceph config set mon auth_allow_insecure_global_id_reclaim false")
124
125 # Can't check ceph status until a mon is up
126 monA.succeed("ceph -s | grep 'mon: 1 daemons'")
127
128 # Start the ceph-mgr daemon, after copying in the keyring
129 monA.succeed(
130 "sudo -u ceph mkdir -p /var/lib/ceph/mgr/ceph-${cfg.monA.name}/",
131 "ceph auth get-or-create mgr.${cfg.monA.name} mon 'allow profile mgr' osd 'allow *' mds 'allow *' > /var/lib/ceph/mgr/ceph-${cfg.monA.name}/keyring",
132 "systemctl start ceph-mgr-${cfg.monA.name}",
133 )
134 monA.wait_for_unit("ceph-mgr-a")
135 monA.wait_until_succeeds("ceph -s | grep 'quorum ${cfg.monA.name}'")
136 monA.wait_until_succeeds("ceph -s | grep 'mgr: ${cfg.monA.name}(active,'")
137
138 # Bootstrap OSDs
139 monA.succeed(
140 "mkfs.xfs /dev/vdb",
141 "mkfs.xfs /dev/vdc",
142 "mkfs.xfs /dev/vdd",
143 "mkdir -p /var/lib/ceph/osd/ceph-${cfg.osd0.name}",
144 "mount /dev/vdb /var/lib/ceph/osd/ceph-${cfg.osd0.name}",
145 "mkdir -p /var/lib/ceph/osd/ceph-${cfg.osd1.name}",
146 "mount /dev/vdc /var/lib/ceph/osd/ceph-${cfg.osd1.name}",
147 "mkdir -p /var/lib/ceph/osd/ceph-${cfg.osd2.name}",
148 "mount /dev/vdd /var/lib/ceph/osd/ceph-${cfg.osd2.name}",
149 "ceph-authtool --create-keyring /var/lib/ceph/osd/ceph-${cfg.osd0.name}/keyring --name osd.${cfg.osd0.name} --add-key ${cfg.osd0.key}",
150 "ceph-authtool --create-keyring /var/lib/ceph/osd/ceph-${cfg.osd1.name}/keyring --name osd.${cfg.osd1.name} --add-key ${cfg.osd1.key}",
151 "ceph-authtool --create-keyring /var/lib/ceph/osd/ceph-${cfg.osd2.name}/keyring --name osd.${cfg.osd2.name} --add-key ${cfg.osd2.key}",
152 'echo \'{"cephx_secret": "${cfg.osd0.key}"}\' | ceph osd new ${cfg.osd0.uuid} -i -',
153 'echo \'{"cephx_secret": "${cfg.osd1.key}"}\' | ceph osd new ${cfg.osd1.uuid} -i -',
154 'echo \'{"cephx_secret": "${cfg.osd2.key}"}\' | ceph osd new ${cfg.osd2.uuid} -i -',
155 )
156
157 # Initialize the OSDs with regular filestore
158 monA.succeed(
159 "ceph-osd -i ${cfg.osd0.name} --mkfs --osd-uuid ${cfg.osd0.uuid}",
160 "ceph-osd -i ${cfg.osd1.name} --mkfs --osd-uuid ${cfg.osd1.uuid}",
161 "ceph-osd -i ${cfg.osd2.name} --mkfs --osd-uuid ${cfg.osd2.uuid}",
162 "chown -R ceph:ceph /var/lib/ceph/osd",
163 "systemctl start ceph-osd-${cfg.osd0.name}",
164 "systemctl start ceph-osd-${cfg.osd1.name}",
165 "systemctl start ceph-osd-${cfg.osd2.name}",
166 )
167 monA.wait_until_succeeds("ceph osd stat | grep -e '3 osds: 3 up[^,]*, 3 in'")
168 monA.wait_until_succeeds("ceph -s | grep 'mgr: ${cfg.monA.name}(active,'")
169 monA.wait_until_succeeds("ceph -s | grep 'HEALTH_OK'")
170
171 monA.succeed(
172 "ceph osd pool create single-node-test 32 32",
173 "ceph osd pool ls | grep 'single-node-test'",
174
175 # We need to enable an application on the pool, otherwise it will
176 # stay unhealthy in state POOL_APP_NOT_ENABLED.
177 # Creating a CephFS would do this automatically, but we haven't done that here.
178 # See: https://docs.ceph.com/en/reef/rados/operations/pools/#associating-a-pool-with-an-application
179 # We use the custom application name "nixos-test" for this.
180 "ceph osd pool application enable single-node-test nixos-test",
181
182 "ceph osd pool rename single-node-test single-node-other-test",
183 "ceph osd pool ls | grep 'single-node-other-test'",
184 )
185 monA.wait_until_succeeds("ceph -s | grep '2 pools, 33 pgs'")
186 monA.succeed(
187 "ceph osd getcrushmap -o crush",
188 "crushtool -d crush -o decrushed",
189 "sed 's/step chooseleaf firstn 0 type host/step chooseleaf firstn 0 type osd/' decrushed > modcrush",
190 "crushtool -c modcrush -o recrushed",
191 "ceph osd setcrushmap -i recrushed",
192 "ceph osd pool set single-node-other-test size 2",
193 )
194 monA.wait_until_succeeds("ceph -s | grep 'HEALTH_OK'")
195 monA.wait_until_succeeds("ceph -s | grep '33 active+clean'")
196 monA.fail(
197 "ceph osd pool ls | grep 'multi-node-test'",
198 "ceph osd pool delete single-node-other-test single-node-other-test --yes-i-really-really-mean-it",
199 )
200
201 # Shut down ceph by stopping ceph.target.
202 monA.succeed("systemctl stop ceph.target")
203
204 # Start it up
205 monA.succeed("systemctl start ceph.target")
206 monA.wait_for_unit("ceph-mon-${cfg.monA.name}")
207 monA.wait_for_unit("ceph-mgr-${cfg.monA.name}")
208 monA.wait_for_unit("ceph-osd-${cfg.osd0.name}")
209 monA.wait_for_unit("ceph-osd-${cfg.osd1.name}")
210 monA.wait_for_unit("ceph-osd-${cfg.osd2.name}")
211
212 # Ensure the cluster comes back up again
213 monA.succeed("ceph -s | grep 'mon: 1 daemons'")
214 monA.wait_until_succeeds("ceph -s | grep 'quorum ${cfg.monA.name}'")
215 monA.wait_until_succeeds("ceph osd stat | grep -e '3 osds: 3 up[^,]*, 3 in'")
216 monA.wait_until_succeeds("ceph -s | grep 'mgr: ${cfg.monA.name}(active,'")
217 monA.wait_until_succeeds("ceph -s | grep 'HEALTH_OK'")
218
219 # Enable the dashboard and recheck health
220 monA.succeed(
221 "ceph mgr module enable dashboard",
222 "ceph config set mgr mgr/dashboard/ssl false",
223 # default is 8080 but it's better to be explicit
224 "ceph config set mgr mgr/dashboard/server_port 8080",
225 )
226 monA.wait_for_open_port(8080)
227 monA.wait_until_succeeds("curl -q --fail http://localhost:8080")
228 monA.wait_until_succeeds("ceph -s | grep 'HEALTH_OK'")
229 '';
230 in
231 {
232 name = "basic-single-node-ceph-cluster";
233 meta = with pkgs.lib.maintainers; {
234 maintainers = [
235 lejonet
236 johanot
237 ];
238 };
239
240 nodes = {
241 monA = generateHost {
242 pkgs = pkgs;
243 cephConfig = cephConfigMonA;
244 networkConfig = networkMonA;
245 };
246 };
247
248 testScript = testscript;
249 }
250)