Add VPN service to monitor Fox machine #121

Manually merged
rarias merged 5 commits from fox-vpn into master 2025-07-02 15:57:57 +02:00
8 changed files with 182 additions and 1 deletions

35
m/module/vpn-dac.nix Normal file
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@ -0,0 +1,35 @@
{config, ...}:
{
age.secrets.vpn-dac-login.file = ../../secrets/vpn-dac-login.age;
age.secrets.vpn-dac-client-key.file = ../../secrets/vpn-dac-client-key.age;
services.openvpn.servers = {
# systemctl status openvpn-dac.service
dac = {
config = ''
client
dev tun
proto tcp
remote vpn.ac.upc.edu 1194
remote vpn.ac.upc.edu 80
resolv-retry infinite
nobind
persist-key
persist-tun
rarias marked this conversation as resolved Outdated

Are the comments left here intentionally?

Are the comments left here intentionally?

There were in the original file provided by UPC, but it is no longer recommended to use nobody, rather we should have a openvpn user. Currently runs as root for now, so I can remove those.

Opened #127 so I don't forget.

There were in the original file provided by UPC, but it is no longer recommended to use nobody, rather we should have a openvpn user. Currently runs as root for now, so I can remove those. Opened https://jungle.bsc.es/git/rarias/jungle/issues/127 so I don't forget.

Removed.

Removed.
ca ${./vpn-dac/ca.crt}
cert ${./vpn-dac/client.crt}
# Only key needs to be secret
key ${config.age.secrets.vpn-dac-client-key.path}
remote-cert-tls server
comp-lzo
verb 3
auth-user-pass ${config.age.secrets.vpn-dac-login.path}
reneg-sec 0
# Only route fox-ipmi
pull-filter ignore "route "
route 147.83.35.27 255.255.255.255
'';
};
};
}

31
m/module/vpn-dac/ca.crt Normal file
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@ -0,0 +1,31 @@
-----BEGIN CERTIFICATE-----
MIIFUjCCBDqgAwIBAgIJAJH118PApk5hMA0GCSqGSIb3DQEBCwUAMIHLMQswCQYD
VQQGEwJFUzESMBAGA1UECBMJQmFyY2Vsb25hMRIwEAYDVQQHEwlCYXJjZWxvbmEx
LTArBgNVBAoTJFVuaXZlcnNpdGF0IFBvbGl0ZWNuaWNhIGRlIENhdGFsdW55YTEk
MCIGA1UECxMbQXJxdWl0ZWN0dXJhIGRlIENvbXB1dGFkb3JzMRAwDgYDVQQDEwdM
Q0FDIENBMQ0wCwYDVQQpEwRMQ0FDMR4wHAYJKoZIhvcNAQkBFg9sY2FjQGFjLnVw
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BhMCRVMxEjAQBgNVBAgTCUJhcmNlbG9uYTESMBAGA1UEBxMJQmFyY2Vsb25hMS0w
KwYDVQQKEyRVbml2ZXJzaXRhdCBQb2xpdGVjbmljYSBkZSBDYXRhbHVueWExJDAi
BgNVBAsTG0FycXVpdGVjdHVyYSBkZSBDb21wdXRhZG9yczEQMA4GA1UEAxMHTENB
QyBDQTENMAsGA1UEKRMETENBQzEeMBwGCSqGSIb3DQEJARYPbGNhY0BhYy51cGMu
ZWR1MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA0CteSeof7Xwi51kC
F0nQ4E9iR5Lq7wtfRuVPn6JJcIxJJ6+F9gr4R/HIHTztW4XAzReE36DYfexupx3D
6UgQIkMLlVyGqRbulNF+RnCx20GosF7Dm4RGBVvOxBP1PGjYq/A+XhaaDAFd0cOF
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LAIJ7wIDAQABo4IBNTCCATEwHQYDVR0OBBYEFNyezX1cH1N4QR14ebBpljqmtE7q
MIIBAAYDVR0jBIH4MIH1gBTcns19XB9TeEEdeHmwaZY6prRO6qGB0aSBzjCByzEL
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b25hMS0wKwYDVQQKEyRVbml2ZXJzaXRhdCBQb2xpdGVjbmljYSBkZSBDYXRhbHVu
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AxMHTENBQyBDQTENMAsGA1UEKRMETENBQzEeMBwGCSqGSIb3DQEJARYPbGNhY0Bh
Yy51cGMuZWR1ggkAkfXXw8CmTmEwDAYDVR0TBAUwAwEB/zANBgkqhkiG9w0BAQsF
AAOCAQEAUAmOvVXIQrR+aZVO0bOTeugKBHB75eTIZSIHIn2oDUvDbAP5GXIJ56A1
6mZXxemSMY8/9k+pRcwJhfat3IgvAN159XSqf9kRv0NHgc3FWUI1Qv/BsAn0vJO/
oK0dbmbbRWqt86qNrCN+cUfz5aovvxN73jFfnvfDQFBk/8enj9wXxYfokjjLPR1Q
+oTkH8dY68qf71oaUB9MndppPEPSz0K1S6h1XxvJoSu9MVSXOQHiq1cdZdxRazI3
4f7q9sTCL+khwDAuZxAYzlEYxFFa/NN8PWU6xPw6V+t/aDhOiXUPJQB/O/K7mw3Z
TQQx5NqM7B5jjak5fauR3/oRD8XXsA==
-----END CERTIFICATE-----

100
m/module/vpn-dac/client.crt Normal file
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@ -0,0 +1,100 @@
Certificate:
Data:
Version: 3 (0x2)
Serial Number: 2 (0x2)
Signature Algorithm: sha256WithRSAEncryption
Issuer: C=ES, ST=Barcelona, L=Barcelona, O=Universitat Politecnica de Catalunya, OU=Arquitectura de Computadors, CN=LCAC CA/name=LCAC/emailAddress=lcac@ac.upc.edu
Validity
Not Before: Jan 12 12:45:41 2016 GMT
Not After : Jan 12 12:45:41 2046 GMT
Subject: C=ES, ST=Barcelona, L=Barcelona, O=Universitat Politecnica de Catalunya, OU=Arquitectura de Computadors, CN=client/name=LCAC/emailAddress=lcac@ac.upc.edu
Subject Public Key Info:
Public Key Algorithm: rsaEncryption
Public-Key: (2048 bit)
Modulus:
00:97:99:fa:7a:0e:4d:e2:1d:a5:b1:a8:14:18:64:
c7:66:bf:de:99:1d:92:3b:86:82:4d:95:39:f7:a6:
56:49:97:14:4f:e3:37:00:6c:f4:d0:1d:56:79:e7:
19:b5:dd:36:15:8e:1d:57:7b:59:29:d2:11:bf:58:
48:e0:f7:41:3d:16:64:8d:a2:0b:4a:ac:fa:c6:83:
dc:10:2a:2c:d9:97:48:ee:11:2a:bc:4b:60:dd:b9:
2e:8f:45:ca:87:0b:38:65:1c:f8:a2:1d:f9:50:aa:
6e:60:f9:48:df:57:12:23:e1:e7:0c:81:5c:9f:c5:
b2:e6:99:99:95:30:6d:57:36:06:8c:fd:fb:f9:4f:
60:d2:3c:ba:ae:28:56:2f:da:58:5c:e8:c5:7b:ec:
76:d9:28:6e:fb:8c:07:f9:d7:23:c3:72:76:3c:fa:
dc:20:67:8f:cc:16:e0:91:07:d5:68:f9:20:4d:7d:
5c:2d:02:04:16:76:52:f3:53:be:a3:dc:0d:d5:fb:
6b:55:29:f3:52:35:c8:7d:99:d1:4a:94:be:b1:8e:
fd:85:18:25:eb:41:e9:56:da:af:62:84:20:0a:00:
17:94:92:94:91:6a:f8:54:37:17:ee:1e:bb:fb:93:
71:91:d9:e4:e9:b8:3b:18:7d:6d:7d:4c:ce:58:55:
f9:41
Exponent: 65537 (0x10001)
X509v3 extensions:
X509v3 Basic Constraints:
CA:FALSE
Netscape Comment:
Easy-RSA Generated Certificate
X509v3 Subject Key Identifier:
1B:88:06:D5:33:1D:5C:48:46:B5:DE:78:89:36:96:91:3A:74:43:18
X509v3 Authority Key Identifier:
keyid:DC:9E:CD:7D:5C:1F:53:78:41:1D:78:79:B0:69:96:3A:A6:B4:4E:EA
DirName:/C=ES/ST=Barcelona/L=Barcelona/O=Universitat Politecnica de Catalunya/OU=Arquitectura de Computadors/CN=LCAC CA/name=LCAC/emailAddress=lcac@ac.upc.edu
serial:91:F5:D7:C3:C0:A6:4E:61
X509v3 Extended Key Usage:
TLS Web Client Authentication
X509v3 Key Usage:
Digital Signature
X509v3 Subject Alternative Name:
DNS:client
Signature Algorithm: sha256WithRSAEncryption
42:e8:50:b2:e7:88:75:86:0b:bb:29:e3:aa:c6:0e:4c:e8:ea:
3d:0c:02:31:7f:3b:80:0c:3f:80:af:45:d6:62:27:a0:0e:e7:
26:09:12:97:95:f8:d9:9b:89:b5:ef:56:64:f1:de:82:74:e0:
31:0a:cc:90:0a:bd:50:b8:54:95:0a:ae:3b:40:df:76:b6:d1:
01:2e:f3:96:9f:52:d4:e9:14:6d:b7:14:9d:45:99:33:36:2a:
01:0b:15:1a:ed:55:dc:64:83:65:1a:06:42:d9:c7:dc:97:d4:
02:81:c2:58:2b:ea:e4:b7:ae:84:3a:e4:3f:f1:2e:fa:ec:f3:
40:5d:b8:6a:d5:5e:e1:e8:2f:e2:2f:48:a4:38:a1:4f:22:e3:
4f:66:94:aa:02:78:9a:2b:7a:5d:aa:aa:51:a5:e3:d0:91:e9:
1d:f9:08:ed:8b:51:c9:a6:af:46:85:b5:1c:ed:12:a1:28:33:
75:36:00:d8:5c:14:65:96:c0:28:7d:47:50:a4:89:5f:b0:72:
1a:4b:13:17:26:0f:f0:b8:65:3c:e9:96:36:f9:bf:90:59:33:
87:1f:01:03:25:f8:f0:3a:9b:33:02:d0:0a:43:b5:0a:cf:62:
a1:45:38:37:07:9d:9c:94:0b:31:c6:3c:34:b7:fc:5a:0c:e4:
bf:23:f6:7d
-----BEGIN CERTIFICATE-----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bnlhMSQwIgYDVQQLExtBcnF1aXRlY3R1cmEgZGUgQ29tcHV0YWRvcnMxEDAOBgNV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-----END CERTIFICATE-----

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@ -14,6 +14,7 @@
../hut/public-inbox.nix
../hut/msmtp.nix
../module/p.nix
../module/vpn-dac.nix
];
# Select the this using the ID to avoid mismatches
@ -30,7 +31,7 @@
# Only BSC DNSs seem to be reachable from the office VLAN
nameservers = [ "84.88.52.35" "84.88.52.36" ];
search = [ "bsc.es" ];
search = [ "bsc.es" "ac.upc.edu" ];
defaultGateway = "10.0.44.1";
};

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@ -165,6 +165,7 @@
"anella-bsc.cesca.cat"
"upc-anella.cesca.cat"
"fox.ac.upc.edu"
"fox-ipmi.ac.upc.edu"
"arenys5.ac.upc.edu"
"arenys0-2.ac.upc.edu"
"epi01.bsc.es"
@ -200,6 +201,17 @@
module = [ "raccoon" ];
};
}
{
job_name = "ipmi-fox";
metrics_path = "/ipmi";
static_configs = [
{ targets = [ "127.0.0.1:9290" ]; }
];
params = {
target = [ "fox-ipmi.ac.upc.edu" ];
module = [ "fox" ];
};
}
];
};
}

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@ -19,6 +19,8 @@ in
"tent-gitlab-runner-pm-docker-token.age".publicKeys = tent;
"tent-gitlab-runner-pm-shell-token.age".publicKeys = tent;
"tent-gitlab-runner-bsc-docker-token.age".publicKeys = tent;
"vpn-dac-login.age".publicKeys = tent;
"vpn-dac-client-key.age".publicKeys = tent;
"ceph-user.age".publicKeys = safe;
"munge-key.age".publicKeys = safe;

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secrets/vpn-dac-login.age Normal file

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