diff options
Diffstat (limited to 'nixos/modules/services/misc/nix-daemon.nix')
| -rw-r--r-- | nixos/modules/services/misc/nix-daemon.nix | 112 |
1 files changed, 56 insertions, 56 deletions
diff --git a/nixos/modules/services/misc/nix-daemon.nix b/nixos/modules/services/misc/nix-daemon.nix index f6f74d12e1063..c76aaaa559bf4 100644 --- a/nixos/modules/services/misc/nix-daemon.nix +++ b/nixos/modules/services/misc/nix-daemon.nix @@ -127,7 +127,7 @@ in enable = mkOption { type = types.bool; default = true; - description = '' + description = lib.mdDoc '' Whether to enable Nix. Disabling Nix makes the system hard to modify and the Nix programs and configuration will not be made available by NixOS itself. ''; @@ -137,7 +137,7 @@ in type = types.package; default = pkgs.nix; defaultText = literalExpression "pkgs.nix"; - description = '' + description = lib.mdDoc '' This option specifies the Nix package instance to use throughout the system. ''; }; @@ -145,9 +145,9 @@ in distributedBuilds = mkOption { type = types.bool; default = false; - description = '' + description = lib.mdDoc '' Whether to distribute builds to the machines listed in - <option>nix.buildMachines</option>. + {option}`nix.buildMachines`. ''; }; @@ -186,22 +186,22 @@ in type = types.enum [ "best-effort" "idle" ]; default = "best-effort"; example = "idle"; - description = '' + description = lib.mdDoc '' Nix daemon process I/O scheduling class. This class propagates to - build processes. <literal>best-effort</literal> is the default - class for regular tasks. The <literal>idle</literal> class is for + build processes. `best-effort` is the default + class for regular tasks. The `idle` class is for extremely low-priority tasks that should only perform I/O when no other task does. - Please note that while using the <literal>idle</literal> scheduling + Please note that while using the `idle` scheduling class can improve responsiveness of a system performing expensive builds, it might also slow down or starve crucial configuration updates during load. - <literal>idle</literal> may therefore be a sensible class for + `idle` may therefore be a sensible class for systems that experience only intermittent phases of high I/O load, such as desktop or portable computers used interactively. Other - systems should use the <literal>best-effort</literal> class. + systems should use the `best-effort` class. ''; }; @@ -209,7 +209,7 @@ in type = types.int; default = 0; example = 1; - description = '' + description = lib.mdDoc '' Nix daemon process I/O scheduling priority. This priority propagates to build processes. The supported priorities depend on the scheduling policy: With idle, priorities are not used in scheduling @@ -224,7 +224,7 @@ in hostName = mkOption { type = types.str; example = "nixbuilder.example.org"; - description = '' + description = lib.mdDoc '' The hostname of the build machine. ''; }; @@ -254,11 +254,11 @@ in type = types.nullOr types.str; default = null; example = "builder"; - description = '' + description = lib.mdDoc '' The username to log in as on the remote host. This user must be able to log in and run nix commands non-interactively. It must also be privileged to build derivations, so must be included in - <option>nix.settings.trusted-users</option>. + {option}`nix.settings.trusted-users`. ''; }; sshKey = mkOption { @@ -278,7 +278,7 @@ in maxJobs = mkOption { type = types.int; default = 1; - description = '' + description = lib.mdDoc '' The number of concurrent jobs the build machine supports. The build machine will enforce its own limits, but this allows hydra to schedule better since there is no work-stealing between build @@ -288,7 +288,7 @@ in speedFactor = mkOption { type = types.int; default = 1; - description = '' + description = lib.mdDoc '' The relative speed of this builder. This is an arbitrary integer that indicates the speed of this builder, relative to other builders. Higher is faster. @@ -309,7 +309,7 @@ in type = types.listOf types.str; default = [ ]; example = [ "kvm" "big-parallel" ]; - description = '' + description = lib.mdDoc '' A list of features supported by this builder. The builder will be ignored for derivations that require features not in this list. @@ -318,18 +318,18 @@ in publicHostKey = mkOption { type = types.nullOr types.str; default = null; - description = '' + description = lib.mdDoc '' The (base64-encoded) public host key of this builder. The field - is calculated via <command>base64 -w0 /etc/ssh/ssh_host_type_key.pub</command>. + is calculated via {command}`base64 -w0 /etc/ssh/ssh_host_type_key.pub`. If null, SSH will use its regular known-hosts file when connecting. ''; }; }; }); default = [ ]; - description = '' + description = lib.mdDoc '' This option lists the machines to be used if distributed builds are - enabled (see <option>nix.distributedBuilds</option>). + enabled (see {option}`nix.distributedBuilds`). Nix will perform derivations on those machines via SSH by copying the inputs to the Nix store on the remote machine, starting the build, then copying the output back to the local Nix store. @@ -346,8 +346,8 @@ in nrBuildUsers = mkOption { type = types.int; - description = '' - Number of <literal>nixbld</literal> user accounts created to + description = lib.mdDoc '' + Number of `nixbld` user accounts created to perform secure concurrent builds. If you receive an error message saying that “all build users are currently in use”, you should increase this value. @@ -357,9 +357,9 @@ in readOnlyStore = mkOption { type = types.bool; default = true; - description = '' + description = lib.mdDoc '' If set, NixOS will enforce the immutability of the Nix store - by making <filename>/nix/store</filename> a read-only bind + by making {file}`/nix/store` a read-only bind mount. Nix will automatically make the store writable when needed. ''; @@ -372,17 +372,17 @@ in "nixos-config=/etc/nixos/configuration.nix" "/nix/var/nix/profiles/per-user/root/channels" ]; - description = '' + description = lib.mdDoc '' The default Nix expression search path, used by the Nix evaluator to look up paths enclosed in angle brackets - (e.g. <literal><nixpkgs></literal>). + (e.g. `<nixpkgs>`). ''; }; checkConfig = mkOption { type = types.bool; default = true; - description = '' + description = lib.mdDoc '' If enabled (the default), checks for data type mismatches and that Nix can parse the generated nix.conf. ''; @@ -404,28 +404,28 @@ in from = mkOption { type = referenceAttrs; example = { type = "indirect"; id = "nixpkgs"; }; - description = "The flake reference to be rewritten."; + description = lib.mdDoc "The flake reference to be rewritten."; }; to = mkOption { type = referenceAttrs; example = { type = "github"; owner = "my-org"; repo = "my-nixpkgs"; }; - description = "The flake reference <option>from</option> is rewritten to."; + description = lib.mdDoc "The flake reference {option}`from` is rewritten to."; }; flake = mkOption { type = types.nullOr types.attrs; default = null; example = literalExpression "nixpkgs"; - description = '' - The flake input <option>from</option> is rewritten to. + description = lib.mdDoc '' + The flake input {option}`from` is rewritten to. ''; }; exact = mkOption { type = types.bool; default = true; - description = '' - Whether the <option>from</option> reference needs to match exactly. If set, - a <option>from</option> reference like <literal>nixpkgs</literal> does not - match with a reference like <literal>nixpkgs/nixos-20.03</literal>. + description = lib.mdDoc '' + Whether the {option}`from` reference needs to match exactly. If set, + a {option}`from` reference like `nixpkgs` does not + match with a reference like `nixpkgs/nixos-20.03`. ''; }; }; @@ -442,7 +442,7 @@ in } )); default = { }; - description = '' + description = lib.mdDoc '' A system-wide flake registry. ''; }; @@ -454,7 +454,7 @@ in keep-outputs = true keep-derivations = true ''; - description = "Additional text appended to <filename>nix.conf</filename>."; + description = lib.mdDoc "Additional text appended to {file}`nix.conf`."; }; settings = mkOption { @@ -466,7 +466,7 @@ in type = types.either types.int (types.enum [ "auto" ]); default = "auto"; example = 64; - description = '' + description = lib.mdDoc '' This option defines the maximum number of jobs that Nix will try to build in parallel. The default is auto, which means it will use all available logical cores. It is recommend to set it to the total @@ -479,7 +479,7 @@ in type = types.bool; default = false; example = true; - description = '' + description = lib.mdDoc '' If set to true, Nix automatically detects files in the store that have identical contents, and replaces them with hard links to a single copy. This saves disk space. If set to false (the default), you can still run @@ -491,7 +491,7 @@ in type = types.int; default = 0; example = 64; - description = '' + description = lib.mdDoc '' This option defines the maximum number of concurrent tasks during one build. It affects, e.g., -j option for make. The special value 0 means that the builder should use all @@ -504,7 +504,7 @@ in sandbox = mkOption { type = types.either types.bool (types.enum [ "relaxed" ]); default = true; - description = '' + description = lib.mdDoc '' If set, Nix will perform builds in a sandboxed environment that it will set up automatically for each build. This prevents impurities in builds by disallowing access to dependencies outside of the Nix @@ -520,7 +520,7 @@ in type = types.listOf types.str; default = [ ]; example = [ "/dev" "/proc" ]; - description = '' + description = lib.mdDoc '' Directories from the host filesystem to be included in the sandbox. ''; @@ -528,7 +528,7 @@ in substituters = mkOption { type = types.listOf types.str; - description = '' + description = lib.mdDoc '' List of binary cache URLs used to obtain pre-built binaries of Nix packages. @@ -540,21 +540,21 @@ in type = types.listOf types.str; default = [ ]; example = [ "https://hydra.nixos.org/" ]; - description = '' + description = lib.mdDoc '' List of binary cache URLs that non-root users can use (in addition to those specified using - <option>nix.settings.substituters</option>) by passing - <literal>--option binary-caches</literal> to Nix commands. + {option}`nix.settings.substituters`) by passing + `--option binary-caches` to Nix commands. ''; }; require-sigs = mkOption { type = types.bool; default = true; - description = '' + description = lib.mdDoc '' If enabled (the default), Nix will only download binaries from binary caches if they are cryptographically signed with any of the keys listed in - <option>nix.settings.trusted-public-keys</option>. If disabled, signatures are neither + {option}`nix.settings.trusted-public-keys`. If disabled, signatures are neither required nor checked, so it's strongly recommended that you use only trustworthy caches and https to prevent man-in-the-middle attacks. ''; @@ -577,13 +577,13 @@ in type = types.listOf types.str; default = [ "root" ]; example = [ "root" "alice" "@wheel" ]; - description = '' + description = lib.mdDoc '' A list of names of users that have additional rights when connecting to the Nix daemon, such as the ability to specify additional binary caches, or to import unsigned NARs. You can also specify groups by prefixing them with - <literal>@</literal>; for instance, - <literal>@wheel</literal> means all users in the wheel + `@`; for instance, + `@wheel` means all users in the wheel group. ''; }; @@ -591,13 +591,13 @@ in system-features = mkOption { type = types.listOf types.str; example = [ "kvm" "big-parallel" "gccarch-skylake" ]; - description = '' + description = lib.mdDoc '' The set of features supported by the machine. Derivations can express dependencies on system features through the - <literal>requiredSystemFeatures</literal> attribute. + `requiredSystemFeatures` attribute. - By default, pseudo-features <literal>nixos-test</literal>, <literal>benchmark</literal>, - and <literal>big-parallel</literal> used in Nixpkgs are set, <literal>kvm</literal> + By default, pseudo-features `nixos-test`, `benchmark`, + and `big-parallel` used in Nixpkgs are set, `kvm` is also included in it is avaliable. ''; }; |