mirror of
https://github.com/dump-dvb/nix-config.git
synced 2024-06-13 03:25:49 +02:00
move disk-module to dump-dvb.nix
This commit is contained in:
parent
a7876810a9
commit
728dce2876
GPG Key ID:
91FA5E5BF9AA901C
85
flake.lock
85
flake.lock
|
|
@ -12,11 +12,11 @@
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|||
]
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||||
},
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"locked": {
|
||||
"lastModified": 1658183882,
|
||||
"narHash": "sha256-pGyYUJix8ofkc5uDo2EqTUSPKwDQn03jDq14LcXWZcI=",
|
||||
"lastModified": 1662676776,
|
||||
"narHash": "sha256-l3cokTnNg85CKD02bNsNlMUeOG7/+DtDZ2MEv1rIOUE=",
|
||||
"owner": "dump-dvb",
|
||||
"repo": "click",
|
||||
"rev": "5c0a8e1f0bd773b7a1ba6682172198519098c3b6",
|
||||
"rev": "98cb7330a35d5ee9879859f7f6240b01b6f444bf",
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"type": "github"
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||||
},
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||||
"original": {
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|
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@ -35,21 +35,17 @@
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"dump-dvb",
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"nixpkgs"
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],
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"stops": [
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"dump-dvb",
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"stops-no-flake"
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],
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"utils": [
|
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"dump-dvb",
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"utils"
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]
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},
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"locked": {
|
||||
"lastModified": 1662237118,
|
||||
"narHash": "sha256-57dRdzNa3oMm1iQieAFuV6ZgZo8pPe5/kaVFRb/CNiY=",
|
||||
"lastModified": 1662652396,
|
||||
"narHash": "sha256-7Q0jj0Nj30dUlNUfhk/4bYg+hUbU+LA3mDaqMd9lq9E=",
|
||||
"owner": "dump-dvb",
|
||||
"repo": "clicky-bunty-server",
|
||||
"rev": "329964d3e4e410265cbfdcfca741de5a6ffb4480",
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"rev": "8c102e73b04fda6f3bc94691399d8b1cfcd5530f",
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"type": "github"
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},
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"original": {
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|
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@ -97,21 +93,17 @@
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"dump-dvb",
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"nixpkgs"
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],
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"stops": [
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"dump-dvb",
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"stops-no-flake"
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],
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"utils": [
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"dump-dvb",
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"utils"
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]
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},
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"locked": {
|
||||
"lastModified": 1662154682,
|
||||
"narHash": "sha256-hdWJDAdwe+bjVVUPxWzoXxitK6et9RKz6A//VqoM/Pg=",
|
||||
"lastModified": 1662762327,
|
||||
"narHash": "sha256-Qqr1XFfDFRAF0Ujh+s5vQtswYJlRKSBo5OENkviGrhA=",
|
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"owner": "dump-dvb",
|
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"repo": "decode-server",
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||||
"rev": "69457bc9cdcdd2fbd27746d89a971c3740d394cf",
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"rev": "99d774dc3390bc2822281e0d326e2e7efe40a8da",
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"type": "github"
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},
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"original": {
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@ -135,18 +127,17 @@
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],
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"radio-conf": "radio-conf",
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"stops": "stops",
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"stops-no-flake": "stops-no-flake",
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"tracy": "tracy",
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"utils": "utils_2",
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"wartrammer": "wartrammer",
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"windshield": "windshield"
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},
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"locked": {
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"lastModified": 1662722718,
|
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"narHash": "sha256-jA45yfoFKpEvhZ3MqV8Hv6wSOGlbGEGoUkn907LexLQ=",
|
||||
"lastModified": 1662817637,
|
||||
"narHash": "sha256-lrruA7Cc8e7q0amOQVmOOaXnsxamAtKyJVDx5g3I3O8=",
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"owner": "dump-dvb",
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"repo": "dump-dvb.nix",
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"rev": "37f272bc35817b27e430e4a69908672966789492",
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"rev": "330934995a6208b4981db60935304b95dd97fbd1",
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"type": "github"
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},
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"original": {
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@ -163,11 +154,11 @@
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]
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},
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"locked": {
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||||
"lastModified": 1662579396,
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"narHash": "sha256-cwGzNno58h0PedZ/ve7Ax0Zwa5ygNfXKEDQp3GHN4zs=",
|
||||
"lastModified": 1662652805,
|
||||
"narHash": "sha256-y1bDLNgodXYSoQPecmFa5okY1sjYjhshYCxmUK8oi3s=",
|
||||
"owner": "dump-dvb",
|
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"repo": "dump-dvb.rs",
|
||||
"rev": "0c54becd842f165d54dd9fcfc14641c1bf69c84d",
|
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"rev": "ce5c4a2b9f5e81fbc669e73e4923cf43aa3b8ae1",
|
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"type": "github"
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||||
},
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"original": {
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@ -208,11 +199,11 @@
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]
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},
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"locked": {
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"lastModified": 1662584694,
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"narHash": "sha256-TmEfq85aMkH9jQb1XRxI+jO33uFeiZKvfU6CnlMTfbA=",
|
||||
"lastModified": 1662761957,
|
||||
"narHash": "sha256-rg4pyErMizk7gr+TyrDPABgLiAadWMJgL/U2l7vhn6s=",
|
||||
"owner": "dump-dvb",
|
||||
"repo": "dvb-api",
|
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"rev": "9e0ef48aa884f572d99ac79d0131c33625bd2cc1",
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"rev": "99c52b03c1e195a24a5ced64e1ab6f6be6c4b4ef",
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"type": "github"
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},
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"original": {
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|
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@ -272,11 +263,11 @@
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]
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},
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"locked": {
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||||
"lastModified": 1661006543,
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||||
"narHash": "sha256-uRVmm3Mhl8oMcHrPd7pC3kMIyqm1T9hCRyp6b+iMUwI=",
|
||||
"lastModified": 1662762215,
|
||||
"narHash": "sha256-K8CpuwFoGifbR7jg9hplS7iyPbPlWf35skMCS/ltPQk=",
|
||||
"owner": "dump-dvb",
|
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"repo": "funnel",
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"rev": "4d5cd1b488789633d80fb0342d253d09fa5f122c",
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"rev": "5ec433229c7307a455970a3e2360bcf44d9007db",
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"type": "github"
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},
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"original": {
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@ -371,11 +362,11 @@
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]
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},
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"locked": {
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"lastModified": 1662550015,
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"narHash": "sha256-Ffyv3nU+lWvU/QBPHvNXKIlsP432kmW7wf6L0Y19VoQ=",
|
||||
"lastModified": 1662762828,
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"narHash": "sha256-gOIGsnCHRx/64V1Lt3UO5JG1RjZwzDTIRSQFWRSBfnc=",
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"owner": "dump-dvb",
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"repo": "radio-conf",
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"rev": "6b955fb966c8586e64d232ae75a507031cc941b9",
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"rev": "a90150ac128bc1851025f7b4e6d825c1f9ede83f",
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"type": "github"
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},
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"original": {
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@ -447,27 +438,11 @@
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]
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},
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"locked": {
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"lastModified": 1662587207,
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"narHash": "sha256-vUiP07kIEW63rLqBE4uqVHcsXULqr+Pt6zzDSNNi7HI=",
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||||
"lastModified": 1662587866,
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||||
"narHash": "sha256-RGmh+zMli1rSD6uKlB4pm1WVPUupJ9f7foibrO0k1jY=",
|
||||
"owner": "dump-dvb",
|
||||
"repo": "stop-names",
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||||
"rev": "be8460c53697edd84af93718b8cf9ebfda54ebe3",
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"type": "github"
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||||
},
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"original": {
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"owner": "dump-dvb",
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"repo": "stop-names",
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"type": "github"
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}
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},
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"stops-no-flake": {
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"flake": false,
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"locked": {
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"lastModified": 1662587207,
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"narHash": "sha256-vUiP07kIEW63rLqBE4uqVHcsXULqr+Pt6zzDSNNi7HI=",
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"owner": "dump-dvb",
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"repo": "stop-names",
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"rev": "be8460c53697edd84af93718b8cf9ebfda54ebe3",
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"rev": "ae192f2705008587fce8a910583d9bf0cf39cd32",
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"type": "github"
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},
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"original": {
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@ -573,11 +548,11 @@
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]
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},
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"locked": {
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"lastModified": 1662587029,
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"narHash": "sha256-kNCAECTqjOMlsADZyCG8+K8ZsHfKT5h/vhmiQbNW2gk=",
|
||||
"lastModified": 1662736161,
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"narHash": "sha256-piQA7/tmx4Y6UuqpWgiOrreEvaRejdjgWSuqoeHOrBU=",
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"owner": "dump-dvb",
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"repo": "windshield",
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"rev": "de0462e83b7e144f0ad28807bd5a2c7579b09d48",
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"rev": "bba48f785ba92a383cb01fd7bd7ce9c0906aa8a7",
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"type": "github"
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},
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"original": {
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|
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25
flake.nix
25
flake.nix
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@ -48,21 +48,6 @@
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}
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];
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diskModule = { config, lib, pkgs, ... }: {
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boot.growPartition = true;
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system.build.diskImage = import ./modules/make-disk-image.nix {
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name = "${config.networking.hostName}-disk";
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partitionTableType = "efi";
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additionalSpace = "0G";
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copyChannel = false;
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inherit config lib pkgs;
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postVM = ''
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mkdir -p $out/nix-support
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echo file binary-dist $diskImage >> $out/nix-support/hydra-build-products
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'';
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};
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};
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# function that generates a system with the given number
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generate_system = (id: arch: extraModules:
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{
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@ -93,7 +78,7 @@
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arch = "x86_64-linux";
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extraModules = [
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./hardware/dell-wyse-3040.nix
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diskModule
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dump-dvb.nixosModules.disk-module
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];
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}
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{
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@ -102,7 +87,7 @@
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arch = "x86_64-linux";
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extraModules = [
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./hardware/dell-wyse-3040.nix
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diskModule
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dump-dvb.nixosModules.disk-module
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];
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}
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{
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@ -111,7 +96,7 @@
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arch = "x86_64-linux";
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extraModules = [
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./hardware/dell-wyse-3040.nix
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diskModule
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dump-dvb.nixosModules.disk-module
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||||
];
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}
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{
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@ -129,7 +114,7 @@
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arch = "x86_64-linux";
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||||
extraModules = [
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./hardware/dell-wyse-3040.nix
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diskModule
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dump-dvb.nixosModules.disk-module
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||||
];
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||||
}
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||||
];
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@ -161,7 +146,7 @@
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system = "x86_64-linux";
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specialArgs = inputs;
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modules = [
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diskModule
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dump-dvb.nixosModules.disk-module
|
||||
dump-dvb.nixosModules.default
|
||||
./hosts/mobile-box/configuration.nix
|
||||
./hosts/mobile-box/hardware-configuration.nix
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||||
|
|
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|||
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@ -1,453 +0,0 @@
|
|||
{ pkgs
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, lib
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||||
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, # The NixOS configuration to be installed onto the disk image.
|
||||
config
|
||||
|
||||
, # The size of the disk, in megabytes.
|
||||
# if "auto" size is calculated based on the contents copied to it and
|
||||
# additionalSpace is taken into account.
|
||||
diskSize ? "auto"
|
||||
|
||||
, # additional disk space to be added to the image if diskSize "auto"
|
||||
# is used
|
||||
additionalSpace ? "512M"
|
||||
|
||||
, # size of the boot partition, is only used if partitionTableType is
|
||||
# either "efi" or "hybrid"
|
||||
# This will be undersized slightly, as this is actually the offset of
|
||||
# the end of the partition. Generally it will be 1MiB smaller.
|
||||
bootSize ? "256M"
|
||||
|
||||
, # The files and directories to be placed in the target file system.
|
||||
# This is a list of attribute sets {source, target, mode, user, group} where
|
||||
# `source' is the file system object (regular file or directory) to be
|
||||
# grafted in the file system at path `target', `mode' is a string containing
|
||||
# the permissions that will be set (ex. "755"), `user' and `group' are the
|
||||
# user and group name that will be set as owner of the files.
|
||||
# `mode', `user', and `group' are optional.
|
||||
# When setting one of `user' or `group', the other needs to be set too.
|
||||
contents ? [ ]
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||||
|
||||
, # Type of partition table to use; either "legacy", "efi", or "none".
|
||||
# For "efi" images, the GPT partition table is used and a mandatory ESP
|
||||
# partition of reasonable size is created in addition to the root partition.
|
||||
# For "legacy", the msdos partition table is used and a single large root
|
||||
# partition is created.
|
||||
# For "legacy+gpt", the GPT partition table is used, a 1MiB no-fs partition for
|
||||
# use by the bootloader is created, and a single large root partition is
|
||||
# created.
|
||||
# For "hybrid", the GPT partition table is used and a mandatory ESP
|
||||
# partition of reasonable size is created in addition to the root partition.
|
||||
# Also a legacy MBR will be present.
|
||||
# For "none", no partition table is created. Enabling `installBootLoader`
|
||||
# most likely fails as GRUB will probably refuse to install.
|
||||
partitionTableType ? "legacy"
|
||||
|
||||
, # Whether to invoke `switch-to-configuration boot` during image creation
|
||||
installBootLoader ? true
|
||||
|
||||
, # The root file system type.
|
||||
fsType ? "ext4"
|
||||
|
||||
, # Filesystem label
|
||||
label ? if onlyNixStore then "nix-store" else "nixos"
|
||||
|
||||
, # The initial NixOS configuration file to be copied to
|
||||
# /etc/nixos/configuration.nix.
|
||||
configFile ? null
|
||||
|
||||
, # Shell code executed after the VM has finished.
|
||||
postVM ? ""
|
||||
|
||||
, # Copy the contents of the Nix store to the root of the image and
|
||||
# skip further setup. Incompatible with `contents`,
|
||||
# `installBootLoader` and `configFile`.
|
||||
onlyNixStore ? false
|
||||
|
||||
, name ? "nixos-disk-image"
|
||||
|
||||
, # Disk image format, one of qcow2, qcow2-compressed, vdi, vpc, raw.
|
||||
format ? "raw"
|
||||
|
||||
, # Whether a nix channel based on the current source tree should be
|
||||
# made available inside the image. Useful for interactive use of nix
|
||||
# utils, but changes the hash of the image when the sources are
|
||||
# updated.
|
||||
copyChannel ? true
|
||||
|
||||
, # Additional store paths to copy to the image's store.
|
||||
additionalPaths ? [ ]
|
||||
}:
|
||||
|
||||
assert partitionTableType == "legacy" || partitionTableType == "legacy+gpt" || partitionTableType == "efi" || partitionTableType == "hybrid" || partitionTableType == "none";
|
||||
# We use -E offset=X below, which is only supported by e2fsprogs
|
||||
assert partitionTableType != "none" -> fsType == "ext4";
|
||||
# Either both or none of {user,group} need to be set
|
||||
assert lib.all
|
||||
(attrs: ((attrs.user or null) == null)
|
||||
== ((attrs.group or null) == null))
|
||||
contents;
|
||||
assert onlyNixStore -> contents == [ ] && configFile == null && !installBootLoader;
|
||||
|
||||
with lib;
|
||||
|
||||
let format' = format; in let
|
||||
|
||||
format = if format' == "qcow2-compressed" then "qcow2" else format';
|
||||
|
||||
compress = optionalString (format' == "qcow2-compressed") "-c";
|
||||
|
||||
filename = "nixos." + {
|
||||
qcow2 = "qcow2";
|
||||
vdi = "vdi";
|
||||
vpc = "vhd";
|
||||
raw = "img";
|
||||
}.${format} or format;
|
||||
|
||||
rootPartition = {
|
||||
# switch-case
|
||||
legacy = "1";
|
||||
"legacy+gpt" = "2";
|
||||
efi = "2";
|
||||
hybrid = "3";
|
||||
}.${partitionTableType};
|
||||
|
||||
partitionDiskScript = {
|
||||
# switch-case
|
||||
legacy = ''
|
||||
parted --script $diskImage -- \
|
||||
mklabel msdos \
|
||||
mkpart primary ext4 1MiB -1
|
||||
'';
|
||||
"legacy+gpt" = ''
|
||||
parted --script $diskImage -- \
|
||||
mklabel gpt \
|
||||
mkpart no-fs 1MB 2MB \
|
||||
set 1 bios_grub on \
|
||||
align-check optimal 1 \
|
||||
mkpart primary ext4 2MB -1 \
|
||||
align-check optimal 2 \
|
||||
print
|
||||
'';
|
||||
efi = ''
|
||||
parted --script $diskImage -- \
|
||||
mklabel gpt \
|
||||
mkpart ESP fat32 8MiB ${bootSize} \
|
||||
set 1 boot on \
|
||||
mkpart primary ext4 ${bootSize} -1
|
||||
'';
|
||||
hybrid = ''
|
||||
parted --script $diskImage -- \
|
||||
mklabel gpt \
|
||||
mkpart ESP fat32 8MiB ${bootSize} \
|
||||
set 1 boot on \
|
||||
mkpart no-fs 0 1024KiB \
|
||||
set 2 bios_grub on \
|
||||
mkpart primary ext4 ${bootSize} -1
|
||||
'';
|
||||
none = "";
|
||||
}.${partitionTableType};
|
||||
|
||||
nixpkgs = cleanSource pkgs.path;
|
||||
|
||||
# FIXME: merge with channel.nix / make-channel.nix.
|
||||
channelSources = pkgs.runCommand "nixos-${config.system.nixos.version}" { } ''
|
||||
mkdir -p $out
|
||||
cp -prd ${nixpkgs.outPath} $out/nixos
|
||||
chmod -R u+w $out/nixos
|
||||
if [ ! -e $out/nixos/nixpkgs ]; then
|
||||
ln -s . $out/nixos/nixpkgs
|
||||
fi
|
||||
rm -rf $out/nixos/.git
|
||||
echo -n ${config.system.nixos.versionSuffix} > $out/nixos/.version-suffix
|
||||
'';
|
||||
|
||||
binPath = with pkgs; makeBinPath (
|
||||
[
|
||||
rsync
|
||||
util-linux
|
||||
parted
|
||||
e2fsprogs
|
||||
lkl
|
||||
config.system.build.nixos-install
|
||||
config.system.build.nixos-enter
|
||||
nix
|
||||
systemdMinimal
|
||||
] ++ stdenv.initialPath
|
||||
);
|
||||
|
||||
# I'm preserving the line below because I'm going to search for it across nixpkgs to consolidate
|
||||
# image building logic. The comment right below this now appears in 4 different places in nixpkgs :)
|
||||
# !!! should use XML.
|
||||
sources = map (x: x.source) contents;
|
||||
targets = map (x: x.target) contents;
|
||||
modes = map (x: x.mode or "''") contents;
|
||||
users = map (x: x.user or "''") contents;
|
||||
groups = map (x: x.group or "''") contents;
|
||||
|
||||
basePaths = [ config.system.build.toplevel ]
|
||||
++ lib.optional copyChannel channelSources;
|
||||
|
||||
additionalPaths' = subtractLists basePaths additionalPaths;
|
||||
|
||||
closureInfo = pkgs.closureInfo {
|
||||
rootPaths = basePaths ++ additionalPaths';
|
||||
};
|
||||
|
||||
blockSize = toString (4 * 1024); # ext4fs block size (not block device sector size)
|
||||
|
||||
prepareImage = ''
|
||||
export PATH=${binPath}
|
||||
|
||||
# Yes, mkfs.ext4 takes different units in different contexts. Fun.
|
||||
sectorsToKilobytes() {
|
||||
echo $(( ( "$1" * 512 ) / 1024 ))
|
||||
}
|
||||
|
||||
sectorsToBytes() {
|
||||
echo $(( "$1" * 512 ))
|
||||
}
|
||||
|
||||
# Given lines of numbers, adds them together
|
||||
sum_lines() {
|
||||
local acc=0
|
||||
while read -r number; do
|
||||
acc=$((acc+number))
|
||||
done
|
||||
echo "$acc"
|
||||
}
|
||||
|
||||
mebibyte=$(( 1024 * 1024 ))
|
||||
|
||||
# Approximative percentage of reserved space in an ext4 fs over 512MiB.
|
||||
# 0.05208587646484375
|
||||
# × 1000, integer part: 52
|
||||
compute_fudge() {
|
||||
echo $(( $1 * 52 / 1000 ))
|
||||
}
|
||||
|
||||
mkdir $out
|
||||
|
||||
root="$PWD/root"
|
||||
mkdir -p $root
|
||||
|
||||
# Copy arbitrary other files into the image
|
||||
# Semi-shamelessly copied from make-etc.sh. I (@copumpkin) shall factor this stuff out as part of
|
||||
# https://github.com/NixOS/nixpkgs/issues/23052.
|
||||
set -f
|
||||
sources_=(${concatStringsSep " " sources})
|
||||
targets_=(${concatStringsSep " " targets})
|
||||
modes_=(${concatStringsSep " " modes})
|
||||
set +f
|
||||
|
||||
for ((i = 0; i < ''${#targets_[@]}; i++)); do
|
||||
source="''${sources_[$i]}"
|
||||
target="''${targets_[$i]}"
|
||||
mode="''${modes_[$i]}"
|
||||
|
||||
if [ -n "$mode" ]; then
|
||||
rsync_chmod_flags="--chmod=$mode"
|
||||
else
|
||||
rsync_chmod_flags=""
|
||||
fi
|
||||
# Unfortunately cptofs only supports modes, not ownership, so we can't use
|
||||
# rsync's --chown option. Instead, we change the ownerships in the
|
||||
# VM script with chown.
|
||||
rsync_flags="-a --no-o --no-g $rsync_chmod_flags"
|
||||
if [[ "$source" =~ '*' ]]; then
|
||||
# If the source name contains '*', perform globbing.
|
||||
mkdir -p $root/$target
|
||||
for fn in $source; do
|
||||
rsync $rsync_flags "$fn" $root/$target/
|
||||
done
|
||||
else
|
||||
mkdir -p $root/$(dirname $target)
|
||||
if ! [ -e $root/$target ]; then
|
||||
rsync $rsync_flags $source $root/$target
|
||||
else
|
||||
echo "duplicate entry $target -> $source"
|
||||
exit 1
|
||||
fi
|
||||
fi
|
||||
done
|
||||
|
||||
export HOME=$TMPDIR
|
||||
|
||||
# Provide a Nix database so that nixos-install can copy closures.
|
||||
export NIX_STATE_DIR=$TMPDIR/state
|
||||
nix-store --load-db < ${closureInfo}/registration
|
||||
|
||||
chmod 755 "$TMPDIR"
|
||||
echo "running nixos-install..."
|
||||
nixos-install --root $root --no-bootloader --no-root-passwd \
|
||||
--system ${config.system.build.toplevel} \
|
||||
${if copyChannel then "--channel ${channelSources}" else "--no-channel-copy"} \
|
||||
--substituters ""
|
||||
|
||||
${optionalString (additionalPaths' != []) ''
|
||||
nix --extra-experimental-features nix-command copy --to $root --no-check-sigs ${concatStringsSep " " additionalPaths'}
|
||||
''}
|
||||
|
||||
# delete /nix/store/.links (hydra build produces it, my local build does not produce it...)
|
||||
echo "Deleting root/nix/store/.links"
|
||||
rm -rf $root/nix/store/.links
|
||||
|
||||
diskImage=nixos.raw
|
||||
|
||||
${if diskSize == "auto" then ''
|
||||
${if partitionTableType == "efi" || partitionTableType == "hybrid" then ''
|
||||
# Add the GPT at the end
|
||||
gptSpace=$(( 512 * 34 * 1 ))
|
||||
# Normally we'd need to account for alignment and things, if bootSize
|
||||
# represented the actual size of the boot partition. But it instead
|
||||
# represents the offset at which it ends.
|
||||
# So we know bootSize is the reserved space in front of the partition.
|
||||
reservedSpace=$(( gptSpace + $(numfmt --from=iec '${bootSize}') ))
|
||||
'' else if partitionTableType == "legacy+gpt" then ''
|
||||
# Add the GPT at the end
|
||||
gptSpace=$(( 512 * 34 * 1 ))
|
||||
# And include the bios_grub partition; the ext4 partition starts at 2MB exactly.
|
||||
reservedSpace=$(( gptSpace + 2 * mebibyte ))
|
||||
'' else if partitionTableType == "legacy" then ''
|
||||
# Add the 1MiB aligned reserved space (includes MBR)
|
||||
reservedSpace=$(( mebibyte ))
|
||||
'' else ''
|
||||
reservedSpace=0
|
||||
''}
|
||||
additionalSpace=$(( $(numfmt --from=iec '${additionalSpace}') + reservedSpace ))
|
||||
|
||||
# Compute required space in filesystem blocks
|
||||
diskUsage=$(find . ! -type d -print0 | du --files0-from=- --apparent-size --block-size "${blockSize}" | cut -f1 | sum_lines)
|
||||
# Each inode takes space!
|
||||
numInodes=$(find . | wc -l)
|
||||
# Convert to bytes, inodes take two blocks each!
|
||||
diskUsage=$(( (diskUsage + 2 * numInodes) * ${blockSize} ))
|
||||
# Then increase the required space to account for the reserved blocks.
|
||||
fudge=$(compute_fudge $diskUsage)
|
||||
requiredFilesystemSpace=$(( diskUsage + fudge ))
|
||||
|
||||
diskSize=$(( requiredFilesystemSpace + additionalSpace ))
|
||||
|
||||
# Round up to the nearest mebibyte.
|
||||
# This ensures whole 512 bytes sector sizes in the disk image
|
||||
# and helps towards aligning partitions optimally.
|
||||
if (( diskSize % mebibyte )); then
|
||||
diskSize=$(( ( diskSize / mebibyte + 1) * mebibyte ))
|
||||
fi
|
||||
|
||||
truncate -s "$diskSize" $diskImage
|
||||
|
||||
printf "Automatic disk size...\n"
|
||||
printf " Closure space use: %d bytes\n" $diskUsage
|
||||
printf " fudge: %d bytes\n" $fudge
|
||||
printf " Filesystem size needed: %d bytes\n" $requiredFilesystemSpace
|
||||
printf " Additional space: %d bytes\n" $additionalSpace
|
||||
printf " Disk image size: %d bytes\n" $diskSize
|
||||
'' else ''
|
||||
truncate -s ${toString diskSize}M $diskImage
|
||||
''}
|
||||
|
||||
${partitionDiskScript}
|
||||
|
||||
${if partitionTableType != "none" then ''
|
||||
# Get start & length of the root partition in sectors to $START and $SECTORS.
|
||||
eval $(partx $diskImage -o START,SECTORS --nr ${rootPartition} --pairs)
|
||||
|
||||
mkfs.${fsType} -b ${blockSize} -F -L ${label} $diskImage -E offset=$(sectorsToBytes $START) $(sectorsToKilobytes $SECTORS)K
|
||||
'' else ''
|
||||
mkfs.${fsType} -b ${blockSize} -F -L ${label} $diskImage
|
||||
''}
|
||||
|
||||
echo "copying staging root to image..."
|
||||
cptofs -p ${optionalString (partitionTableType != "none") "-P ${rootPartition}"} \
|
||||
-t ${fsType} \
|
||||
-i $diskImage \
|
||||
$root${optionalString onlyNixStore builtins.storeDir}/* / ||
|
||||
(echo >&2 "ERROR: cptofs failed. diskSize might be too small for closure."; exit 1)
|
||||
'';
|
||||
|
||||
moveOrConvertImage = ''
|
||||
${if format == "raw" then ''
|
||||
mv $diskImage $out/${filename}
|
||||
'' else ''
|
||||
${pkgs.qemu}/bin/qemu-img convert -f raw -O ${format} ${compress} $diskImage $out/${filename}
|
||||
''}
|
||||
diskImage=$out/${filename}
|
||||
'';
|
||||
|
||||
buildImage = pkgs.vmTools.runInLinuxVM (
|
||||
pkgs.runCommand name
|
||||
{
|
||||
preVM = prepareImage;
|
||||
buildInputs = with pkgs; [ util-linux e2fsprogs dosfstools ];
|
||||
postVM = moveOrConvertImage + postVM;
|
||||
memSize = 1024;
|
||||
} ''
|
||||
export PATH=${binPath}:$PATH
|
||||
|
||||
rootDisk=${if partitionTableType != "none" then "/dev/vda${rootPartition}" else "/dev/vda"}
|
||||
|
||||
# Some tools assume these exist
|
||||
ln -s vda /dev/xvda
|
||||
ln -s vda /dev/sda
|
||||
# make systemd-boot find ESP without udev
|
||||
mkdir /dev/block
|
||||
ln -s /dev/vda1 /dev/block/254:1
|
||||
|
||||
mountPoint=/mnt
|
||||
mkdir $mountPoint
|
||||
mount $rootDisk $mountPoint
|
||||
|
||||
# Create the ESP and mount it. Unlike e2fsprogs, mkfs.vfat doesn't support an
|
||||
# '-E offset=X' option, so we can't do this outside the VM.
|
||||
${optionalString (partitionTableType == "efi" || partitionTableType == "hybrid") ''
|
||||
mkdir -p /mnt/boot
|
||||
mkfs.vfat -n ESP /dev/vda1
|
||||
mount /dev/vda1 /mnt/boot
|
||||
''}
|
||||
|
||||
# Install a configuration.nix
|
||||
mkdir -p /mnt/etc/nixos
|
||||
${optionalString (configFile != null) ''
|
||||
cp ${configFile} /mnt/etc/nixos/configuration.nix
|
||||
''}
|
||||
|
||||
${lib.optionalString installBootLoader ''
|
||||
# Set up core system link, GRUB, etc.
|
||||
NIXOS_INSTALL_BOOTLOADER=1 nixos-enter --root $mountPoint -- /nix/var/nix/profiles/system/bin/switch-to-configuration boot
|
||||
|
||||
# The above scripts will generate a random machine-id and we don't want to bake a single ID into all our images
|
||||
rm -f $mountPoint/etc/machine-id
|
||||
''}
|
||||
|
||||
# Set the ownerships of the contents. The modes are set in preVM.
|
||||
# No globbing on targets, so no need to set -f
|
||||
targets_=(${concatStringsSep " " targets})
|
||||
users_=(${concatStringsSep " " users})
|
||||
groups_=(${concatStringsSep " " groups})
|
||||
for ((i = 0; i < ''${#targets_[@]}; i++)); do
|
||||
target="''${targets_[$i]}"
|
||||
user="''${users_[$i]}"
|
||||
group="''${groups_[$i]}"
|
||||
if [ -n "$user$group" ]; then
|
||||
# We have to nixos-enter since we need to use the user and group of the VM
|
||||
nixos-enter --root $mountPoint -- chown -R "$user:$group" "$target"
|
||||
fi
|
||||
done
|
||||
|
||||
umount -R /mnt
|
||||
|
||||
# Make sure resize2fs works. Note that resize2fs has stricter criteria for resizing than a normal
|
||||
# mount, so the `-c 0` and `-i 0` don't affect it. Setting it to `now` doesn't produce deterministic
|
||||
# output, of course, but we can fix that when/if we start making images deterministic.
|
||||
${optionalString (fsType == "ext4") ''
|
||||
tune2fs -T now -c 0 -i 0 $rootDisk
|
||||
''}
|
||||
''
|
||||
);
|
||||
in
|
||||
if onlyNixStore then
|
||||
pkgs.runCommand name { }
|
||||
(prepareImage + moveOrConvertImage + postVM)
|
||||
else buildImage
|
||||
Loading…
Reference in New Issue
Block a user