command/jsonconfig: add missing fields from configuration output (#20387)

Display depends_on for resources and outputs, and description for
outputs.

command/jsonconfig/config.go

@@ -32,7 +32,7 @@ type providerConfig struct {
 }
 
 type module struct {
-	Outputs map[string]configOutput `json:"outputs,omitempty"`
+	Outputs map[string]output `json:"outputs,omitempty"`
 	// Resources are sorted in a user-friendly order that is undefined at this
 	// time, but consistent.
 	Resources   []resource            `json:"resources,omitempty"`
@@ -90,11 +90,15 @@ type resource struct {
 	// These are omitted if the corresponding argument isn't set.
 	CountExpression   *expression `json:"count_expression,omitempty"`
 	ForEachExpression *expression `json:"for_each_expression,omitempty"`
+
+	DependsOn []string `json:"depends_on,omitempty"`
 }
 
-type configOutput struct {
+type output struct {
-	Sensitive  bool       `json:"sensitive,omitempty"`
+	Sensitive   bool       `json:"sensitive,omitempty"`
-	Expression expression `json:"expression,omitempty"`
+	Expression  expression `json:"expression,omitempty"`
+	DependsOn   []string   `json:"depends_on,omitempty"`
+	Description string     `json:"description,omitempty"`
 }
 
 type provisioner struct {
@@ -161,12 +165,30 @@ func marshalModule(c *configs.Config, schemas *terraform.Schemas) (module, error
 	rs = append(managedResources, dataResources...)
 	module.Resources = rs
 
-	outputs := make(map[string]configOutput)
+	outputs := make(map[string]output)
 	for _, v := range c.Module.Outputs {
-		outputs[v.Name] = configOutput{
+		o := output{
 			Sensitive:  v.Sensitive,
 			Expression: marshalExpression(v.Expr),
 		}
+		if v.Description != "" {
+			o.Description = v.Description
+		}
+		if len(v.DependsOn) > 0 {
+			dependencies := make([]string, len(v.DependsOn))
+			for i, d := range v.DependsOn {
+				ref, diags := addrs.ParseRef(d)
+				// we should not get an error here, because `terraform validate`
+				// would have complained well before this point, but if we do we'll
+				// silenty skip it.
+				if !diags.HasErrors() {
+					dependencies[i] = ref.Subject.String()
+				}
+			}
+			o.DependsOn = dependencies
+		}
+
+		outputs[v.Name] = o
 	}
 	module.Outputs = outputs
 	module.ModuleCalls = marshalModuleCalls(c, schemas)
@@ -289,6 +311,20 @@ func marshalResources(resources map[string]*configs.Resource, schemas *terraform
 			r.Provisioners = provisioners
 		}
 
+		if len(v.DependsOn) > 0 {
+			dependencies := make([]string, len(v.DependsOn))
+			for i, d := range v.DependsOn {
+				ref, diags := addrs.ParseRef(d)
+				// we should not get an error here, because `terraform validate`
+				// would have complained well before this point, but if we do we'll
+				// silenty skip it.
+				if !diags.HasErrors() {
+					dependencies[i] = ref.Subject.String()
+				}
+			}
+			r.DependsOn = dependencies
+		}
+
 		rs = append(rs, r)
 	}
 	sort.Slice(rs, func(i, j int) bool {

command/test-fixtures/show-json/modules/main.tf

@@ -4,5 +4,6 @@ module "test" {
 }
 
 output "test" {
-  value = module.test.test
+  value      = module.test.test
+  depends_on = [module.test]
 }

command/test-fixtures/show-json/modules/output.json

@@ -61,7 +61,6 @@
             "type": "test_instance",
             "name": "test",
             "index": 0,
-            "deposed": true,
             "change": {
                 "actions": [
                     "create"
@@ -83,7 +82,6 @@
             "type": "test_instance",
             "name": "test",
             "index": 1,
-            "deposed": true,
             "change": {
                 "actions": [
                     "create"
@@ -105,7 +103,6 @@
             "type": "test_instance",
             "name": "test",
             "index": 2,
-            "deposed": true,
             "change": {
                 "actions": [
                     "create"
@@ -139,7 +136,10 @@
                         "references": [
                             "module.test.test"
                         ]
-                    }
+                    },
+                    "depends_on": [
+                        "module.test"
+                    ]
                 }
             },
             "module_calls": {