Ported options codegen to cue

codegen/README.md

@@ -9,6 +9,10 @@ See [old codegen](../pkh/codegen/README.md).
 Right now, Corteza is migrating its old YAML definitions to CUE.
 We are also simplifying all templates by moving as much data manipulation to Cue as possible.
 
+### Todo
+ - options documentation (see assets/templates/docs/options.gen.adoc.tpl)
+ 
+
 ## Intro 
 
 Codegen tools are based on [cuelang](https://cuelang.org/docs/tutorials/) and golang templates.
@@ -21,10 +25,10 @@ Codegen tools are based on [cuelang](https://cuelang.org/docs/tutorials/) and go
 
 Platform, component and resource definitions (.cue files) can be found in:
  - `app`
- - `automation` @todo
+ - `automation`
  - `system`
  - `compose`
- - `federation` @todo
+ - `federation`
 
 ## Running code generator
 
@@ -58,8 +62,7 @@ Collection of `#codegen` structs with template + payload + output instructions.
 
 Main entry point that combines all components
 
- - @todo options 
-
+ - options (see [options.cue](./options.cue))
  - @todo REST endpoints (unrelated to specific component)
 
 #### Component

codegen/assets/templates/docs/options.gen.adoc.tpl

@@ -0,0 +1,39 @@
+// This file is auto-generated.
+//
+// Changes to this file may cause incorrect behavior and will be lost if
+// the code is regenerated.
+//
+// Definitions file that controls how this file is generated:
+{{- range .Definitions }}
+//  - {{ .Source }}
+{{- end }}
+include::ROOT:partial$variables.adoc[]
+
+{{ range .Definitions }}
+= {{ .Docs.Title }}
+{{ if .Docs.Intro }}
+{{ .Docs.Intro }}
+{{ end }}
+{{- range .Properties }}
+== *{{ toUpper .Env }}*
+
+=== Type
+
+`{{ .Type }}`
+
+{{ if or .Default .Description -}}
+{{ if .Default -}}
+=== Default
+
+[source]
+----
+{{ .Default }}
+----
+
+{{ end -}}
+{{ if .Description -}}
+=== Description
+
+{{ .Description }}
+{{ end -}}{{ end -}}
+{{ end }}{{ end }}

codegen/assets/templates/gocode/options/$options_group.go.tpl

@@ -0,0 +1,45 @@
+package {{ .package }}
+
+{{ template "gocode/header-gentext.tpl" }}
+
+{{ if .imports }}
+import (
+{{- range .imports }}
+    {{ . }}
+{{- end }}
+)
+{{- end }}
+
+type (
+    {{ .struct }} struct {
+        {{- range .options }}
+          {{ .expIdent }} {{ .type }} `env:"{{ .env }}"`
+        {{- end }}
+    }
+)
+
+// {{ .func }} initializes and returns a {{ .struct }} with default values
+//
+// This function is auto-generated
+func {{ .func }}() (o *{{ .struct }}) {
+    o = &{{ .struct }}{
+      {{- range  .options }}
+        {{- if .default }}
+          {{ .expIdent }}: {{ .default }},
+        {{- end }}
+      {{- end }}
+    }
+
+    fill(o)
+
+    // Function that allows access to custom logic inside the parent function.
+    // The custom logic in the other file should be like:
+    // func (o *{{ .struct }}) Defaults() {...}
+    func(o interface{}) {
+      if def, ok := o.(interface{ Defaults() }); ok {
+        def.Defaults()
+      }
+    }(o)
+
+    return
+}

codegen/assets/templates/gocode/options/options.go.tpl

@@ -0,0 +1,49 @@
+package {{ .package }}
+
+{{ template "gocode/header-gentext.tpl" }}
+
+{{ if .imports }}
+import (
+{{- range .imports }}
+    {{ . }}
+{{- end }}
+)
+{{- end }}
+
+type (
+	{{ range .groups }}
+    {{ .struct }} struct {
+      {{- range .options }}
+        {{ .expIdent }} {{ .type }} `env:"{{ .env }}"`
+      {{- end }}
+    }
+	{{ end }}
+)
+
+{{ range .groups }}
+	// {{ .func }} initializes and returns a {{ .struct }} with default values
+	//
+	// This function is auto-generated
+	func {{ .func }}() (o *{{ .struct }}) {
+			o = &{{ .struct }}{
+				{{- range  .options }}
+					{{- if .default }}
+						{{ .expIdent }}: {{ .default }},
+					{{- end }}
+				{{- end }}
+			}
+
+			fill(o)
+
+			// Function that allows access to custom logic inside the parent function.
+			// The custom logic in the other file should be like:
+			// func (o *{{ .struct }}) Defaults() {...}
+			func(o interface{}) {
+				if def, ok := o.(interface{ Defaults() }); ok {
+					def.Defaults()
+				}
+			}(o)
+
+			return
+	}
+{{ end }}

codegen/options.cue

@@ -0,0 +1,42 @@
+package codegen
+
+import (
+	"github.com/cortezaproject/corteza-server/app"
+	"github.com/cortezaproject/corteza-server/codegen/schema"
+)
+
+options:
+	[...schema.#codegen] &
+	[
+		//  for g in app.corteza.options {
+		//   template: "gocode/options/$options_group.go.tpl"
+		//   output:   "pkg/options/\(g.ident).gen.go"
+		//   payload: {
+		//    package: "options"
+		//    imports: g.imports
+		//    func:    g.expIdent
+		//    struct:  g.expIdent + "Opt"
+		//    options: g.options
+		//   }
+		//  },
+		{
+			template: "gocode/options/options.go.tpl"
+			output:   "pkg/options/options.gen.go"
+			payload: {
+				package: "options"
+
+				// make unique list of packages we'll import
+				imports: [ for i in {for g in app.corteza.options for i in g.imports {"\(i)": i}} {i}]
+
+				groups: [
+				    for g in app.corteza.options {
+				     func:    g.expIdent
+				     struct:  g.expIdent + "Opt"
+				     options: g.options
+				    }
+
+				]
+
+			}
+		},
+	]

codegen/platform.cue

@@ -14,4 +14,5 @@ platform: [...schema.#codegen] &
 	rbacTypes+
 	localeTypes+
 	envoyRBAC+
+	options+
 	[] // placeholder

codegen/schema/options.cue

@@ -0,0 +1,43 @@
+package schema
+
+import (
+	"strings"
+)
+
+#_ENV:     =~ "^[A-Z][A-Z0-9_]*[A-Z0-9]?$"
+//#_optName: =~ "^[a-zA-Z][a-zA-Z0-9\\s]*[a-zA-Z0-9]+$"
+
+#optionsGroup: #_base & {
+	imports: [...string] | *([])
+
+  handle: #handle
+
+  title?: string
+  description?: string
+
+  env: #_ENV | *(strings.ToUpper(strings.Replace(handle, "-", "_", -1)))
+	_envPrefix: env
+
+	options: {
+		[_opt=_]: #option & {
+		  handle: _opt
+			env: #_ENV | *(_envPrefix + "_" + strings.ToUpper(strings.Replace(handle, " ", "_", -1)))
+		}
+	}
+}
+
+#option: {
+  handle: #handle
+	_words: strings.Replace(strings.Replace(strings.Replace(handle, "-", " ", -1), "_", " ", -1), ".", " ", -1)
+
+	// lowercased (unexported, golang) identifier
+	ident: #ident | *strings.ToCamel(strings.Replace(strings.ToTitle(_words), " ", "", -1))
+
+	// upercased (exported, golang) identifier
+	expIdent: #expIdent | *strings.Replace(strings.ToTitle(_words), " ", "", -1)
+
+	type: string | *"string"
+	description?: string
+	default?: string
+	env?: #_ENV
+}

codegen/schema/platform.cue

@@ -3,8 +3,8 @@ package schema
 #platform: {
 	ident: #baseHandle | *"corteza"
 
+	options: [...#optionsGroup]
 	components: [...{platform: ident} & #component]
-
 	// env-var definitions
 	// options: {}
 

codegen/schema/shared.cue

@@ -16,6 +16,7 @@ import (
 // More liberal then identifier, allows underscores and dots
 #baseHandle: =~"^[a-z][a-z0-9-]*[a-z0-9]+$"
 
+
 #_base: {
 	// lowercase dash-separated words
 	// used to build ident and exported identifiers