diff --git a/.sops.yaml b/.sops.yaml index d95a866b..400805ce 100644 --- a/.sops.yaml +++ b/.sops.yaml @@ -12,6 +12,7 @@ keys: # cat /etc/ssh/ssh_host_ed25519_key.pub | ssh-to-age - &srv1-node0 age1nzetyehldf3gl6pr6mu5d2cv387p8wjqn6wfpll7a3sl8us6n38s0ds633 - &srv1-node1 age1wj33xt8nj7rhnsenepsf6k3lmq5vk4wn84jwr55qy9cwu05xn5cspg3h7t - &srv1-node2 age16e7ykphshal6qhwfvat698hl48s8yr0jvzh27ecdyfh5uk7t9u6s753jgy + - &srv1-node3 age1lee0kl24f0ntss6m69zu2s2e7njdpkv9nl7rlf4nn7rvv0mlgvfqrte2y5 creation_rules: - path_regex: devices/pc/.*$ key_groups: @@ -73,3 +74,8 @@ creation_rules: - age: - *chn - *srv1-node2 + - path_regex: devices/srv1/node3/.*$ + key_groups: + - age: + - *chn + - *srv1-node3 diff --git a/devices/srv1/default.nix b/devices/srv1/default.nix index d5d74197..acb1b114 100644 --- a/devices/srv1/default.nix +++ b/devices/srv1/default.nix @@ -44,11 +44,23 @@ inputs: cpu = { sockets = 4; cores = 8; threads = 2; }; memoryMB = 30720; }; + srv1-node2 = + { + name = "n1"; address = "192.168.178.2"; + cpu = { sockets = 4; cores = 8; threads = 2; }; + memoryMB = 30720; + }; + srv1-node3 = + { + name = "n1"; address = "192.168.178.2"; + cpu = { sockets = 4; cores = 8; threads = 2; }; + memoryMB = 30720; + }; }; partitions = { default = [ "srv1-node0" ]; - old = [ "srv1-node1" ]; + old = [ "srv1-node1" "srv1-node2" "srv1-node3" ]; }; }; }; diff --git a/devices/srv1/node3/default.nix b/devices/srv1/node3/default.nix index a49b8a92..febcb44b 100644 --- a/devices/srv1/node3/default.nix +++ b/devices/srv1/node3/default.nix @@ -6,26 +6,50 @@ inputs: { system = { - fileSystems.mount = - { - vfat."/dev/disk/by-uuid/7A60-4232" = "/boot"; - btrfs."/dev/mapper/root1" = { "/nix" = "/nix"; "/nix/rootfs/current" = "/"; }; - }; nixpkgs.march = "broadwell"; + networking.networkd.static.eno2 = + { ip = "192.168.178.3"; mask = 24; gateway = "192.168.178.1"; dns = "192.168.178.1"; }; + cluster.nodeType = "worker"; + initrd.sshd.enable = true; + nix.remote.slave.enable = true; }; - packages.vasp = null; - services = + services.beesd.instances.root = { device = "/"; hashTableSizeMB = 256; threads = 4; }; + packages.packages._packages = [(inputs.pkgs.runCommand "master-system" {} + '' + mkdir -p $out/share + ln -s ${inputs.topInputs.self.nixosConfigurations.srv1-node0.config.system.build.toplevel} \ + $out/share/master-system + '')]; + }; + specialisation = + { + no-share-home.configuration = { - xray.client.enable = true; - beesd.instances.root = { device = "/"; hashTableSizeMB = 4096; threads = 4; }; - wireguard = + nixos = { - enable = true; - peers = [ "vps6" ]; - publicKey = "l1gFSDCeBxyf/BipXNvoEvVvLqPgdil84nmr5q6+EEw="; - wireguardIp = "192.168.83.3"; + services.slurm.enable = inputs.lib.mkForce false; + system.cluster.nodeType = inputs.lib.mkForce "master"; }; + system.nixos.tags = [ "no-share-home" ]; }; }; + fileSystems = inputs.lib.mkIf (inputs.config.nixos.system.cluster.nodeType == "worker") + { + "/home" = + { + device = "192.168.178.1:/home"; + fsType = "nfs"; + neededForBoot = true; + }; + }; + boot.initrd.network.enable = true; + boot.initrd.systemd.network.networks."10-eno2" = inputs.config.systemd.network.networks."10-eno2"; + boot.initrd.systemd.extraBin = + { + "ifconfig" = "${inputs.pkgs.nettools}/bin/ifconfig"; + "mount.nfs" = "${inputs.pkgs.nfs-utils}/bin/mount.nfs"; + "mount.nfs4" = "${inputs.pkgs.nfs-utils}/bin/mount.nfs4"; + }; + services.rpcbind.enable = true; }; } diff --git a/devices/srv1/node3/secrets/default.yaml b/devices/srv1/node3/secrets/default.yaml index de0c275e..01771043 100644 --- a/devices/srv1/node3/secrets/default.yaml +++ b/devices/srv1/node3/secrets/default.yaml @@ -1,31 +1,4 @@ -xray-client: - uuid: ENC[AES256_GCM,data:XU7/GZ8cJmDwNsrQfoFHrquZT5QkjvTPZfnghX3BLyvPLlrX,iv:e/BQkZ5ydWD4P/qT9OUloB8/cXImfkG3YZnuIeNLoTc=,tag:EW3ZBzGnyIrUfcMeJqm4aA==,type:str] -acme: - token: ENC[AES256_GCM,data:e+ZPOwOobbShxm5zZqmIeM4cmP4JQT8kDQ0goKsSwpIKmJAzi8WutQ==,iv:ZKOzKa98yWTM2LkC4+rzA6rTW4afm3oAG4nc/2vk7Bg=,tag:Qctw1sk1SC/a6Xv5Fju8EA==,type:str] -frp: - token: ENC[AES256_GCM,data:0mE8/cWqHKNquCIiqgbjcNhipKk7KEfbZ+qRYbu+iZr7AH9QjfYZQiMJNp4Aa3JWwBLYAnpf,iv:ID4cc8Tn0H9b1CimXlPamMlhlAkafhRApDHo/CCQ4BE=,tag:BUuU/BCj16R7FlKlpubawA==,type:str] - stcp: - yy.vnc: ENC[AES256_GCM,data:IsZWkNGYHrbQcgvOSURDnA==,iv:4XO8RFBdNopLKYxCACmkXLMPu0wIVx64y0C7m2bsTVA=,tag:fMHzU9aQm0bRr8pTKwpuHQ==,type:str] -store: - signingKey: ENC[AES256_GCM,data:TsB1nA0Rf2AsYyH59WpUK53pTCX2JdrGQjkJ9A9BfWLLmw3EMnPoaLHG12rv1R2/xRU7rP+iVhXb77g60I/Kn4ehun3ogMmK1oEAKyQcxudBUJFk+SeijaQLr2A=,iv:e2rdGBVOPS1nyC3pXhs5r0WyEkqxcpCnX3eAcBCj93M=,tag:HwccjH2Wms5/TevU2IuzNw==,type:str] -nginx: - maxmind-license: ENC[AES256_GCM,data:PVV4VAvB22KoA8EM8Honb+KWYhydXdmTAVlDw/XnTcbaIY+5Km2gGA==,iv:7PfytRbpW4G2iDNqysvZnB0YsQFVUL5Kr1DNsBzuhCA=,tag:z2J14fdD7AUNabN+6kUojA==,type:str] -postgresql: - misskey_misskey: ENC[AES256_GCM,data:MSDbQffk/WjZ6EYiwVuUMdhdv9VE59ZM7t4XldOKRO0=,iv:J/x9t4Pk5zi7Av9fbzxgAbbtbEUZttSx/JGRmmgmvE4=,tag:CwFR9K++T7YqYR932z3IAg==,type:str] -redis: - misskey-misskey: ENC[AES256_GCM,data:vcvQ/hs/F3BZd1sfvWwfEeB8vVoqdnprxobcmL6xsmg=,iv:S32yrjrjj56HbxTlfFGjOb+sO2M9KKEDEazCrpQWj6Q=,tag:iwnvqwQEdd6jicx9jJBdbg==,type:str] -wireguard: - privateKey: ENC[AES256_GCM,data:oIpiXJvEoyryS4eEutoe85Af0L5a5iNuOsCWCat9KEhr2ecY/vRimk/1fbA=,iv:dm2hTSNX7Q38yASon5o1jxEJZbWPXUWYydXYMBHF/sE=,tag:yrANhwIF/wHQGHGA1bfPgw==,type:str] -mariadb: - slurm: ENC[AES256_GCM,data:fGvNMmqk7Cee28VJ1QoBVrBbgIUbj/F1W0SRjdP8N4K/M8Wx4AVm1kAr0IAhPWyDLXlIjM1NUvuEV5BpYDBdjg==,iv:rFTMJ4x2kgENQUA8ftSaLjdOc25i5mWR3UYbdq54vjs=,tag:6feD0eCSv7bcHWBveLNJwg==,type:str] -nix: - remote: ENC[AES256_GCM,data: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,iv:yQQp5wjbSVn1oia5yL7d6GF9Vo704G0iOQRGMbzQHzg=,tag:bpBag5y5n+7ojOa8QOcDvA==,type:str] -github: - token: ENC[AES256_GCM,data:59z1zSofzUyv2Qfn8oS7dZplzJDtOD/zxhPm07MLbVLHt8mE57IGcw==,iv:nZ4JmIE1h496RN6BChvqo7XWHjur76jP4HMgqGBbMJQ=,tag:pUSGsofG7hvkvJxCRwkg1Q==,type:str] -age: ENC[AES256_GCM,data:EPjip4/tz50e+blPko9NpzDamLRO6BVy64kDnGAhUJJ/bMw6V9Of8RzuiqUupIjEmFiUcgWf9ZsV5RZO3Ai9udq0W7mYS1Y/zn4=,iv:TBs/o6mp8t+S3Ma5/QhnLhzgl852HB3sEzKy9SvKJjU=,tag:2yMUVWPua2g0VOkaXpJzKQ==,type:str] -user: - #ENC[AES256_GCM,data:a4mHxr7bn7BV,iv:FYQk3yv3XgxNO9CnrQefo3WqhO0Sf8Mihfp+Iw4AcWM=,tag:jebxvG+xUidghf5dOlvDYA==,type:comment] - zzn: ENC[AES256_GCM,data:xBSve41JclBYQULPN7yV/1Eyo3u+CHAewVetKHwjvl6Te0kk/+aLx6gs8EpOJGmVaiSAdt6F2ayHXUD8RXXpJIOnnEHk88kqbw==,iv:XPxMLvlVtaZvpWnau5Jwlj/5ty5Zyw4F44ix5G64Z84=,tag:uJfWb0PCebdMtxXMfueULQ==,type:str] +hello: ENC[AES256_GCM,data:DCfr682OxZ49pR5Q/sYZxqMdmUothpOOQOiKiPc0Xoh/gJ19qA0yVrO7aKk3Bg==,iv:B01Qfkiy3/B3MYskqFAxEZNoGjb8+A5wcyjq8Bj987k=,tag:e3/VHntKiG+/8xHz/nFXYg==,type:str] sops: kms: [] gcp_kms: [] @@ -35,23 +8,23 @@ sops: - recipient: age19ax6vm3pv8rph5tq3mmehd9sy9jk823tw8svsd790r0lkslycquqvlwz9m enc: | -----BEGIN AGE ENCRYPTED FILE----- - YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSBUcDBqZldlajB1RURQVW03 - TWJTaDlvVEYvZDd5dXBJV0c2V3FGY0laMUZ3CkxjQUtLRHBOZkQ4Mk5JTGd5V0M4 - VUJ5aHJGSDl0MWpDSTNnQ2RSRnpPQ0kKLS0tIFA2em42NXNmZkJZWCs1Tmxia1VV - RnRPQ05LTDZTOEY3OWVMdmhHTTRKT1EKyBnGiEpkJ9TUGMSne5RUX5U4Nc49gXOn - 8q6IeBWnI3mkVA0PElAThSpXLMMzq01uDrcZEeE9BocyU7Y/JRbUMA== + YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSAyQy8reUxHUm5leVk4dzhx + L0h2ZVVONnlEWlBXWlhKa082aXJGRlhIaUhZCkQxSFV3SHcyQjNCN3NyK3h0V1hN + SHVZYXJjenlPR2lrL1J0ZkpoTlQ3S1kKLS0tIEZPU2c4VHpzdEwzWTVTUk9OdDFI + em9JMjA0VFk3Q0NKSWt4YllkWHpYNWMKJxCl3tXFHSUfawt8pB21WLKvUWwTn+Jl + gz52soH0P/k7bg6Lx4gs5WywIIIOWnHg7p0BJS9BCmFWvXR442c2XQ== -----END AGE ENCRYPTED FILE----- - - recipient: age1ffvr5pqd2lfj24e3fh53s92z6h76fda3du4y4k6r3yjumdwvpfgqzj033a + - recipient: age1lee0kl24f0ntss6m69zu2s2e7njdpkv9nl7rlf4nn7rvv0mlgvfqrte2y5 enc: | -----BEGIN AGE ENCRYPTED FILE----- - YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSBWeEw5YWpQNXM2dWpVY3Uw - bjBFQmVKeDlqYUFPNGhwVlVwdTdDaDY2bUNNCmJncHhrbHplU2ZvTHROcU1LNzBE - dnRlOFF2eXhHKzZ5VzQvS3RPb3FsWTAKLS0tIHNDcmdGTWl1VTREaVJXR1VzSUs0 - OUlxNjdQaXdXMkZ6bnV1ek4yZ2dpbkEKpKGOAxo5Eef2jtGrg4iSzmGCeg+vTgvu - +K8b+O19MIkGMDBm6UbYUPtc/7eqoEZRiTUzNMTmfkLVS4ul5zou9A== + YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSBIaG1ZdERieVMzM2JjY3Zt + KzRTVCt6eVRsSmJXT3FKL0pSVHF0L25SSGlRCkg5bGVHcEhBam56bHdBcUZHRWF0 + ODVkamc0RlJxNk5hRjMzTVRkYVNsam8KLS0tICsrTXdGMzZ2UmE1VmNyK3pwME1u + bHQzK1EvVEhvZFI5MjVxL0Q5UVZYdGsKJl2M3eOB0lRyu2VO1qDjW1pNJ9HhwAS6 + g5yOa2fxLJn4bvmQAJYeNJ1Wi6sYaBvkbeOegjaKjW4ZvwhP5kWqRA== -----END AGE ENCRYPTED FILE----- - lastmodified: "2024-09-04T01:39:48Z" - mac: ENC[AES256_GCM,data:VkpF9zTWRLMriukAif6lfp8uy6+IcPDYUnXCQ5XLUtSstEyUoaVBjn+VVAoKkLX3MnyR6gyiYVWDDJmXrsyNoQpjRVQR0yu0p6p7sB3voGKiNxhw5qGwZj4IIXnHFWvktgWiawCiUkmSTUUHxe0XjAh7AWxjGqgAs/oyWGq/YfE=,iv:IQbJAhW/y18s57CAwRPeypQreBqQb0KkJAgIZ90QXJU=,tag:a0AB3l83j31Ex6PH9ziHRg==,type:str] + lastmodified: "2024-09-20T06:02:54Z" + mac: ENC[AES256_GCM,data:OQYaHF7lMspMaXjK64fZhdd6w9EHWzvjYsJdGEEaSwj6nfgb8EPxn73hn8NMgubXnqxonqbrpwgUuI+u297ItEEsksWQGGe//UrLlAJlhPvgezOpeeBfT4iWUrbazam4Uakh457N9W0AX390D2VmDtSBMw60fqnIeSnJF6Jv5Gs=,iv:O0h2sKf4KibuP5ZfRWF8tEVnLyyZtwst66frYUC4Awo=,tag:y94K0y/nF4y1sfh+P/hWrA==,type:str] pgp: [] unencrypted_suffix: _unencrypted version: 3.9.0 diff --git a/devices/srv1/node3/secrets/munge.key b/devices/srv1/node3/secrets/munge.key index fb2fd4a2..92e3c3e1 100644 --- a/devices/srv1/node3/secrets/munge.key +++ b/devices/srv1/node3/secrets/munge.key @@ -1,5 +1,5 @@ { - "data": "ENC[AES256_GCM,data:ftogJ/2oPME8sVbyNAuI3t3GEzUmdCadyjf2g/bjGNx3AoV0jU0SDxnBLDFfoR1rEtV00zfgCMPDGsEXavg+QVvoICpvvhckXMOLXe37H3Ff0wDVJtL4BBIK3oVh/SiYaRm/+uR0x6HW37KX50RRvKvpQoRdMVNnvtKbMjmQVIA=,iv:MOHfTIavoU643K10jSR3HruzoofOqqVspYgiaLc294o=,tag:zjDTPKwAOh/nqkquvAQpbw==,type:str]", + "data": "ENC[AES256_GCM,data:9uBZv+GmpEqEbpE1E4szW3EPA6AJPUprWMQs2XwXq/VfrOfVG+Dz6PsAfPgOgii9KMPZb+358lfdhXbKF2cjflMw9Iz1wc2eU8vrbbU7toisLnuYBm2676wKzatQVbL0SHvlyScVIEwNphTJdIPJuMD0JrFMfDV7J/jdgwdpPRE=,iv:fk1YA7IXX/9/jU9jqAg4YrFZrprm9zoBw5avnKtvBnw=,tag:rfsCsir2C4UsUTgfvbRCVg==,type:str]", "sops": { "kms": null, "gcp_kms": null, @@ -8,17 +8,17 @@ "age": [ { "recipient": "age19ax6vm3pv8rph5tq3mmehd9sy9jk823tw8svsd790r0lkslycquqvlwz9m", - "enc": "-----BEGIN AGE ENCRYPTED FILE-----\nYWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSA5TTB1bHFXcDhoMk1QVzJ0\nUUplcGVBVUhoOEt0Rnc2ZStDUUpjZmV0eGpvCjFQSGl4TjlMT2R5RExNZWxwOUtz\nSWhhSUtFN0JISzJhclpCMFZDQ09jK28KLS0tIGJydDNoY3hBbEhBYUNYZGZCaWpQ\nQnVDalJCcWpIRTdVaWkzeGVNSGpDRWsKWXoMC8NApfenn191aRwdAjD0iM5+C3R6\nXKpHxfhc1Gf6paxBhketFU+AwWsKiBDKh0gntV49F+YSriPa7uI3FA==\n-----END AGE ENCRYPTED FILE-----\n" + "enc": "-----BEGIN AGE ENCRYPTED FILE-----\nYWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSAzRm9wakd5Z2cwblM4a3c3\nVURGS3prTHJ5R1RzOGpXaXFOcFlNWGJCTGtjCmt3Q2M1Z0FaTGRscDlOamI2L2Yy\nQUlaNWJMcHdEVVIzMzdYVXdVZVpHd3MKLS0tIGlscllCSnJCS1JDNEVXWXhJVUNa\naFlPSU9lZnpPbFY3VkI3NkNtVlNTWHcKfRcjJroaUVDePl+mg22NndJfFciAuolg\nsOEaEZCH/cIJg0XTXfM18ZRUl4IuMmR3D2L4KAhzbfADNmC81mpMLw==\n-----END AGE ENCRYPTED FILE-----\n" }, { - "recipient": "age1ffvr5pqd2lfj24e3fh53s92z6h76fda3du4y4k6r3yjumdwvpfgqzj033a", - "enc": "-----BEGIN AGE ENCRYPTED FILE-----\nYWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSAzclYwVjdOZnQ1Y2dlUi9n\naXQya21QVHZ0KzMxTkVuTEJuazB4WklqdFdvCmpMd0h6OXUvZSttOFpmeUdsSlNs\nQkhQaVJqVFdidFNMejljV2h3WUFTaFUKLS0tIGNBemY5R1N3T00zMEthZjBsWXZh\nVXRtNG5UV3I3WG5LYUphNUNyUDI5WXcKVQpMe3zYgzHOtQQvo8Vvz94lYR6TBFuV\nD7ztr4rD/Vdk3hkSGZQvdzGjNDdGpac38LUN9vtFQbzMofykcn/etw==\n-----END AGE ENCRYPTED FILE-----\n" + "recipient": "age1lee0kl24f0ntss6m69zu2s2e7njdpkv9nl7rlf4nn7rvv0mlgvfqrte2y5", + "enc": "-----BEGIN AGE ENCRYPTED FILE-----\nYWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSBZeDBPMWZnRXRPbkRXQVpm\nL0pwWDE4blRuYUV6QVJyOHBITUJjU1ViR25rCjRJTmF0MDhjNEhFQVNHZ3M4QUJ4\nQ05DbTlVbjhMMDhTdGlZN01tRUxOZE0KLS0tIEExMXZTSzJjeEdqcHBNWjhGSFIx\nQmJaSHh4dHdUTjRmWUZIUFdmVkI3YncKvCunmgurC7YO0Y5FssulaJ/VDvuiR5Y+\nOxfMe34ilsF+k8bTBAuYLlDCl8uQ14cPiOLAhAw1vdFgs9o8cs9MUg==\n-----END AGE ENCRYPTED FILE-----\n" } ], - "lastmodified": "2024-02-24T05:48:31Z", - "mac": "ENC[AES256_GCM,data:kCLcS6xeMijD8Bxa0MBUbFH2pdXX6BdGL1SztHHPet8loMkiCfgEiyp9l/QjszWa3G6zx3K+0wXXtRXmrNAxThnIgMZQVGCy4Ucw7fp8Pral/5eaJNlZGb56JQPF9ZDHb9YQPDPImaEAKYUtzayyaZAGJGlCmIIhVVhXTx7iiig=,iv:MXRDA/6YnVUbLdYAIrMvrdb2iPsi4Bmr06SPCU8CCVc=,tag:9hT7Xo0tRnHTgAaivKj4QQ==,type:str]", + "lastmodified": "2024-09-20T06:03:27Z", + "mac": "ENC[AES256_GCM,data:sEMEYJDZhhza1HvtmQ9maK9gXgBNfNGDhvSySoz/GuiTrs2Hhae/YI+o6DvYHPDUoOJGVwLjHVhfoIYw9CvoCZNm8Gn3fUSeP372x2kRAjFJYJ56qovU5hz7H/m1Mm9CQ38PvnsWMgc+dB1q0h01g4x7/URfjJDlU+Rq4n3f6B4=,iv:v/P0xSTBjGrmhzeAiS0eaQ4Y7pls9xCKPq9gysLuINY=,tag:SsCPc1av/pGpZS5AqzJdxA==,type:str]", "pgp": null, "unencrypted_suffix": "_unencrypted", - "version": "3.8.1" + "version": "3.9.0" } } \ No newline at end of file diff --git a/flake/nixos.nix b/flake/nixos.nix index 15cb1c5f..ca13b3e0 100644 --- a/flake/nixos.nix +++ b/flake/nixos.nix @@ -47,5 +47,5 @@ builtins.listToAttrs ]; }; }) - [ "node0" "node1" "node3" ]) + [ "node0" "node1" "node2" "node3" ]) )