Fix module calls command for remote modules (#872)

* use HasPrefix instead of ParseRawProviderSourceString to check for remote module sources

* strip registry prefix for docs links

* account for older terraform versions

* new test case for terraform 1.1.0 module sources

Author: dbanck

internal/langserver/handlers/command/module_calls.go

@@ -129,5 +129,6 @@ func getModuleDocumentationLink(record datadir.ModuleRecord) string {
 		return ""
 	}
 
-	return fmt.Sprintf(`https://registry.terraform.io/modules/%s/%s`, record.SourceAddr, record.VersionStr)
+	shortName := strings.TrimPrefix(record.SourceAddr, "registry.terraform.io/")
+	return fmt.Sprintf(`https://registry.terraform.io/modules/%s/%s`, shortName, record.VersionStr)
 }

internal/langserver/handlers/command/module_calls_test.go

@@ -87,3 +87,42 @@ func Test_parseModuleRecords(t *testing.T) {
 		})
 	}
 }
+
+// With the release of Terraform 1.1.0 module source addresses are now stored normalized
+func Test_parseModuleRecords_v1_1(t *testing.T) {
+	tests := []struct {
+		name    string
+		records []datadir.ModuleRecord
+		want    []moduleCall
+	}{
+		{
+			name: "detects terraform module types",
+			records: []datadir.ModuleRecord{
+				{
+					Key:        "ec2_instances",
+					SourceAddr: "registry.terraform.io/terraform-aws-modules/ec2-instance/aws",
+					VersionStr: "2.12.0",
+					Dir:        ".terraform\\modules\\ec2_instances",
+				},
+			},
+			want: []moduleCall{
+				{
+					Name:             "ec2_instances",
+					SourceAddr:       "registry.terraform.io/terraform-aws-modules/ec2-instance/aws",
+					Version:          "2.12.0",
+					SourceType:       "tfregistry",
+					DocsLink:         "https://registry.terraform.io/modules/terraform-aws-modules/ec2-instance/aws/2.12.0",
+					DependentModules: []moduleCall{},
+				},
+			},
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			got := parseModuleRecords(tt.records)
+			if diff := cmp.Diff(tt.want, got); diff != "" {
+				t.Fatalf("module mismatch: %s", diff)
+			}
+		})
+	}
+}

internal/terraform/datadir/module_types.go

@@ -34,7 +34,9 @@ func (r *ModuleRecord) GetModuleType() ModuleType {
 	// the authorative source: hashicorp/terraform/internal/addrs/module_source.go.
 	// However this works enough for now to identify module types for display in vscode-terraform.
 	// Example: terraform-aws-modules/ec2-instance/aws
-	if _, err := tfregistry.ParseRawProviderSourceString(r.SourceAddr); err == nil {
+	_, err := tfregistry.ParseRawProviderSourceString(r.SourceAddr)
+	// Example: registry.terraform.io/terraform-aws-modules/vpc/aws
+	if err == nil || strings.HasPrefix(r.SourceAddr, "registry.terraform.io/") {
 		return TFREGISTRY
 	}