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factor out function wrapper to module function #9

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kiara wants to merge 4 commits from data-model-factor-out-wrapper into deployment-data-model-with-tests
pull from: data-model-factor-out-wrapper
merge into: fricklerhandwerk:deployment-data-model-with-tests
Conversation 5 Commits 4 Files changed 3 +112 -72
3 changed files with 112 additions and 72 deletions
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6
deployment/data-model-test.nix
View file

@ -99,7 +99,7 @@ in
{ {
options.enable = lib.mkEnableOption "Hello in the shell"; options.enable = lib.mkEnableOption "Hello in the shell";
}; };
implementation = config-mapping.implementation =
cfg: cfg:
lib.optionalAttrs cfg.enable { lib.optionalAttrs cfg.enable {
resources.hello.login-shell.packages.hello = pkgs.hello; resources.hello.login-shell.packages.hello = pkgs.hello;
@ -109,7 +109,7 @@ in
{ config, ... }: { config, ... }:
{ {
resources.operator-environment.login-shell.username = "operator"; resources.operator-environment.login-shell.username = "operator";
implementation = resource-mapping.implementation =
requests: requests:
{ providers, ... }: { providers, ... }:
{ {
@ -149,7 +149,7 @@ in
}; };
} }
); );
resources = fediversity.applications.hello.resources fediversity.example-configuration.applications.hello; resources = fediversity.applications.hello.config-mapping.apply fediversity.example-configuration.applications.hello;
hello-shell = resources.resources.hello.login-shell; hello-shell = resources.resources.hello.login-shell;
environment = fediversity.environments.single-nixos-vm.resources.operator-environment.login-shell; environment = fediversity.environments.single-nixos-vm.resources.operator-environment.login-shell;
result = mkDeployment { result = mkDeployment {

137
deployment/data-model.nix
View file

@ -15,7 +15,6 @@ let
functionTo functionTo
; ;
functionType = import ./function.nix;
application-resources = submodule { application-resources = submodule {
options.resources = mkOption { options.resources = mkOption {
# TODO: maybe transpose, and group the resources by type instead # TODO: maybe transpose, and group the resources by type instead
@ -97,25 +96,63 @@ in
description = "Operator-facing configuration options for the application"; description = "Operator-facing configuration options for the application";
type = deferredModuleWith { staticModules = [ { _class = "fediversity-application-config"; } ]; }; type = deferredModuleWith { staticModules = [ { _class = "fediversity-application-config"; } ]; };
}; };
implementation = mkOption { # TODO(@fricklerhandwerk): this needs a better name
description = "Mapping of application configuration to deployment resources, a description of what an application needs to run";
type = application.config.config-mapping.implementation-type;
};
resources = mkOption {
description = "Compute resources required by an application";
type = functionTo application.config.config-mapping.output-type;
readOnly = true;
default = application.config.implementation;
};
# TODO(@fricklerhandwerk): this needs a better name, it's just the type
config-mapping = mkOption { config-mapping = mkOption {
description = "Function type for the mapping from application configuration to required resources"; description = "Function type for the mapping from application configuration to required resources";
type = submodule functionType; type = submodule (
readOnly = true; { config, ... }:
default = { {
input-type = submodule application.config.module; options = {
output-type = application-resources; input-type = mkOption {
}; type = optionType;
default = submodule application.config.module;
# default = types.int;
};
output-type = mkOption {
type = optionType;
default = application-resources;
};
function-type = mkOption {
type = optionType;
readOnly = true;
default = functionTo config.output-type;
};
wrapper-type = mkOption {
type = optionType;
readOnly = true;
default = functionTo (submodule {
options = {
input = mkOption {
type = config.input-type;
};
output = mkOption {
type = config.output-type;
};
};
});
};
implementation = mkOption {
type = config.function-type;
description = "Mapping of application configuration to deployment resources, a description of what an application needs to run";
default = _: { };
};
wrapper = mkOption {
type = config.wrapper-type;
readOnly = true;
default = input: fn: {
inherit input;
output = config.implementation fn.config.input;
};
};
apply = mkOption {
type = config.function-type;
readOnly = true;
default = input: (config.wrapper input).output;
};
};
}
);
default = { };
}; };
}; };
}) })
@ -140,18 +177,62 @@ in
) )
); );
}; };
implementation = mkOption {
description = "Mapping of resources required by applications to available resources; the result can be deployed";
type = environment.config.resource-mapping.implementation-type;
};
resource-mapping = mkOption { resource-mapping = mkOption {
description = "Function type for the mapping from resources to a (NixOps4) deployment"; description = "Function type for the mapping from resources to a (NixOps4) deployment";
type = submodule functionType; type = submodule (
readOnly = true; { config, ... }:
default = { {
input-type = application-resources; options = {
output-type = nixops4Deployment; input-type = mkOption {
}; type = optionType;
default = submodule application-resources;
# default = types.int;
};
output-type = mkOption {
type = optionType;
default = nixops4Deployment;
};
function-type = mkOption {
type = optionType;
readOnly = true;
default = functionTo config.output-type;
};
wrapper-type = mkOption {
type = optionType;
readOnly = true;
default = functionTo (submodule {
options = {
input = mkOption {
type = config.input-type;
};
output = mkOption {
type = config.output-type;
};
};
});
};
implementation = mkOption {
type = config.function-type;
description = "Mapping of resources required by applications to available resources; the result can be deployed";
default = _: { };
};
wrapper = mkOption {
type = config.wrapper-type;
readOnly = true;
default = input: fn: {
inherit input;
output = config.implementation fn.config.input;
};
};
apply = mkOption {
type = config.function-type;
readOnly = true;
default = input: (config.wrapper input).output;
};
};
}
);
default = { };
}; };
# TODO(@fricklerhandwerk): maybe this should be a separate thing such as `fediversity-setup`, # TODO(@fricklerhandwerk): maybe this should be a separate thing such as `fediversity-setup`,
# which makes explicit which applications and environments are available. # which makes explicit which applications and environments are available.

41
deployment/function.nix
View file

@ -1,41 +0,0 @@
/**
Modular function type
*/
{ config, lib, ... }:
let
inherit (lib) mkOption types;
inherit (types)
submodule
functionTo
optionType
;
in
{
options = {
input-type = mkOption {
type = optionType;
};
output-type = mkOption {
type = optionType;
};
implementation-type = mkOption {
type = optionType;
readOnly = true;
default = functionTo config.output-type;
};
function-type = mkOption {
type = optionType;
readOnly = true;
default = functionTo (submodule {
options = {
input = mkOption {
type = config.input-type;
};
output = mkOption {
type = config.output-type;
};
};
});
};
};
}