1import ./make-test-python.nix ({ pkgs, ... }:
2
3let
4 passphrase = "supersecret";
5 dataDir = "/ran:dom/data";
6 excludeFile = "not_this_file";
7 keepFile = "important_file";
8 keepFileData = "important_data";
9 localRepo = "/root/back:up";
10 archiveName = "my_archive";
11 remoteRepo = "borg@server:."; # No need to specify path
12 privateKey = pkgs.writeText "id_ed25519" ''
13 -----BEGIN OPENSSH PRIVATE KEY-----
14 b3BlbnNzaC1rZXktdjEAAAAABG5vbmUAAAAEbm9uZQAAAAAAAAABAAAAMwAAAAtzc2gtZW
15 QyNTUxOQAAACBx8UB04Q6Q/fwDFjakHq904PYFzG9pU2TJ9KXpaPMcrwAAAJB+cF5HfnBe
16 RwAAAAtzc2gtZWQyNTUxOQAAACBx8UB04Q6Q/fwDFjakHq904PYFzG9pU2TJ9KXpaPMcrw
17 AAAEBN75NsJZSpt63faCuaD75Unko0JjlSDxMhYHAPJk2/xXHxQHThDpD9/AMWNqQer3Tg
18 9gXMb2lTZMn0pelo8xyvAAAADXJzY2h1ZXR6QGt1cnQ=
19 -----END OPENSSH PRIVATE KEY-----
20 '';
21 publicKey = ''
22 ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIHHxQHThDpD9/AMWNqQer3Tg9gXMb2lTZMn0pelo8xyv root@client
23 '';
24 privateKeyAppendOnly = pkgs.writeText "id_ed25519" ''
25 -----BEGIN OPENSSH PRIVATE KEY-----
26 b3BlbnNzaC1rZXktdjEAAAAABG5vbmUAAAAEbm9uZQAAAAAAAAABAAAAMwAAAAtzc2gtZW
27 QyNTUxOQAAACBacZuz1ELGQdhI7PF6dGFafCDlvh8pSEc4cHjkW0QjLwAAAJC9YTxxvWE8
28 cQAAAAtzc2gtZWQyNTUxOQAAACBacZuz1ELGQdhI7PF6dGFafCDlvh8pSEc4cHjkW0QjLw
29 AAAEAAhV7wTl5dL/lz+PF/d4PnZXuG1Id6L/mFEiGT1tZsuFpxm7PUQsZB2Ejs8Xp0YVp8
30 IOW+HylIRzhweORbRCMvAAAADXJzY2h1ZXR6QGt1cnQ=
31 -----END OPENSSH PRIVATE KEY-----
32 '';
33 publicKeyAppendOnly = ''
34 ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIFpxm7PUQsZB2Ejs8Xp0YVp8IOW+HylIRzhweORbRCMv root@client
35 '';
36
37in {
38 name = "borgbackup";
39 meta = with pkgs.lib; {
40 maintainers = with maintainers; [ dotlambda ];
41 };
42
43 nodes = {
44 client = { ... }: {
45 services.borgbackup.jobs = {
46
47 local = {
48 paths = dataDir;
49 repo = localRepo;
50 preHook = ''
51 # Don't append a timestamp
52 archiveName="${archiveName}"
53 '';
54 encryption = {
55 mode = "repokey";
56 inherit passphrase;
57 };
58 compression = "auto,zlib,9";
59 prune.keep = {
60 within = "1y";
61 yearly = 5;
62 };
63 exclude = [ "*/${excludeFile}" ];
64 postHook = "echo post";
65 startAt = [ ]; # Do not run automatically
66 };
67
68 remote = {
69 paths = dataDir;
70 repo = remoteRepo;
71 encryption.mode = "none";
72 startAt = [ ];
73 environment.BORG_RSH = "ssh -oStrictHostKeyChecking=no -i /root/id_ed25519";
74 };
75
76 remoteAppendOnly = {
77 paths = dataDir;
78 repo = remoteRepo;
79 encryption.mode = "none";
80 startAt = [ ];
81 environment.BORG_RSH = "ssh -oStrictHostKeyChecking=no -i /root/id_ed25519.appendOnly";
82 };
83
84 };
85 };
86
87 server = { ... }: {
88 services.openssh = {
89 enable = true;
90 passwordAuthentication = false;
91 challengeResponseAuthentication = false;
92 };
93
94 services.borgbackup.repos.repo1 = {
95 authorizedKeys = [ publicKey ];
96 path = "/data/borgbackup";
97 };
98
99 # Second repo to make sure the authorizedKeys options are merged correctly
100 services.borgbackup.repos.repo2 = {
101 authorizedKeysAppendOnly = [ publicKeyAppendOnly ];
102 path = "/data/borgbackup";
103 quota = ".5G";
104 };
105 };
106 };
107
108 testScript = ''
109 start_all()
110
111 client.fail('test -d "${remoteRepo}"')
112
113 client.succeed(
114 "cp ${privateKey} /root/id_ed25519"
115 )
116 client.succeed("chmod 0600 /root/id_ed25519")
117 client.succeed(
118 "cp ${privateKeyAppendOnly} /root/id_ed25519.appendOnly"
119 )
120 client.succeed("chmod 0600 /root/id_ed25519.appendOnly")
121
122 client.succeed("mkdir -p ${dataDir}")
123 client.succeed("touch ${dataDir}/${excludeFile}")
124 client.succeed("echo '${keepFileData}' > ${dataDir}/${keepFile}")
125
126 with subtest("local"):
127 borg = "BORG_PASSPHRASE='${passphrase}' borg"
128 client.systemctl("start --wait borgbackup-job-local")
129 client.fail("systemctl is-failed borgbackup-job-local")
130 # Make sure exactly one archive has been created
131 assert int(client.succeed("{} list '${localRepo}' | wc -l".format(borg))) > 0
132 # Make sure excludeFile has been excluded
133 client.fail(
134 "{} list '${localRepo}::${archiveName}' | grep -qF '${excludeFile}'".format(borg)
135 )
136 # Make sure keepFile has the correct content
137 client.succeed("{} extract '${localRepo}::${archiveName}'".format(borg))
138 assert "${keepFileData}" in client.succeed("cat ${dataDir}/${keepFile}")
139 # Make sure the same is true when using `borg mount`
140 client.succeed(
141 "mkdir -p /mnt/borg && {} mount '${localRepo}::${archiveName}' /mnt/borg".format(
142 borg
143 )
144 )
145 assert "${keepFileData}" in client.succeed(
146 "cat /mnt/borg/${dataDir}/${keepFile}"
147 )
148
149 with subtest("remote"):
150 borg = "BORG_RSH='ssh -oStrictHostKeyChecking=no -i /root/id_ed25519' borg"
151 server.wait_for_unit("sshd.service")
152 client.wait_for_unit("network.target")
153 client.systemctl("start --wait borgbackup-job-remote")
154 client.fail("systemctl is-failed borgbackup-job-remote")
155
156 # Make sure we can't access repos other than the specified one
157 client.fail("{} list borg\@server:wrong".format(borg))
158
159 # TODO: Make sure that data is actually deleted
160
161 with subtest("remoteAppendOnly"):
162 borg = (
163 "BORG_RSH='ssh -oStrictHostKeyChecking=no -i /root/id_ed25519.appendOnly' borg"
164 )
165 server.wait_for_unit("sshd.service")
166 client.wait_for_unit("network.target")
167 client.systemctl("start --wait borgbackup-job-remoteAppendOnly")
168 client.fail("systemctl is-failed borgbackup-job-remoteAppendOnly")
169
170 # Make sure we can't access repos other than the specified one
171 client.fail("{} list borg\@server:wrong".format(borg))
172
173 # TODO: Make sure that data is not actually deleted
174 '';
175})