docs: Add additional detail to the data source example.

digitalocean · Sep 19, 2024 · 2c4686b · 2c4686b
1 parent 63d0729
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Showing 4 changed files with 17 additions and 7 deletions.
diff --git a/.web-docs/components/data-source/digitalocean-image/README.md b/.web-docs/components/data-source/digitalocean-image/README.md
@@ -56,9 +56,14 @@ for use as a builder source.
 
 ## Example Usage
 
+In this example, we combine `name_regex` and `latest` to find the most recent
+user generated image matching the name `golden-image-.*`. The ID of the found
+image is then passed to the builder where it is used as the base for creating
+a new image.
+
 ```hcl
 data "digitalocean-image" "example" {
-    name_regex = "golden-image-2022.*"
+    name_regex = "golden-image-.*"
     region     = "nyc3"
     type       = "user"
     latest     = true
@@ -69,7 +74,7 @@ locals {
 }
 
 source "digitalocean" "example" {
-    snapshot_name = "updated-golden-image"
+    snapshot_name = "golden-image-{{isotime}}"
     image         = local.image_id
     region        = "nyc3"
     size          = "s-1vcpu-1gb"

diff --git a/datasource/image/data.go b/datasource/image/data.go
@@ -256,7 +256,7 @@ func filterImages(c *Config, images []godo.Image) (godo.Image, error) {
 		return godo.Image{}, fmt.Errorf("More than one matching image found: %v", result)
 	}
 	if len(result) == 0 {
-		return godo.Image{}, errors.New("No image matching found")
+		return godo.Image{}, errors.New("No matching image found")
 	}
 
 	return result[0], nil

diff --git a/datasource/image/data_test.go b/datasource/image/data_test.go
@@ -58,7 +58,7 @@ func TestFilterImages(t *testing.T) {
 				{ID: 1, Name: "test-image-01", Created: "2022-08-08T21:31:54Z", Regions: []string{"nyc3"}},
 				{ID: 2, Name: "test-image-02", Created: "2022-08-10T21:31:54Z", Regions: []string{"nyc2"}},
 			},
-			expectedError: "No image matching found",
+			expectedError: "No matching image found",
 		},
 
 		{
@@ -104,7 +104,7 @@ func TestFilterImages(t *testing.T) {
 				{ID: 1, Name: "test-image01", Created: "2022-08-08T21:31:54Z", Regions: []string{"nyc3"}},
 				{ID: 2, Name: "test-image02", Created: "2022-08-10T21:31:54Z", Regions: []string{"nyc2"}},
 			},
-			expectedError: "No image matching found",
+			expectedError: "No matching image found",
 		},
 	}
 

diff --git a/docs/datasources/digitalocean-image.mdx b/docs/datasources/digitalocean-image.mdx
@@ -26,9 +26,14 @@ for use as a builder source.
 
 ## Example Usage
 
+In this example, we combine `name_regex` and `latest` to find the most recent
+user generated image matching the name `golden-image-.*`. The ID of the found
+image is then passed to the builder where it is used as the base for creating
+a new image.
+
 ```hcl
 data "digitalocean-image" "example" {
-    name_regex = "golden-image-2022.*"
+    name_regex = "golden-image-.*"
     region     = "nyc3"
     type       = "user"
     latest     = true
@@ -39,7 +44,7 @@ locals {
 }
 
 source "digitalocean" "example" {
-    snapshot_name = "updated-golden-image"
+    snapshot_name = "golden-image-{{isotime}}"
     image         = local.image_id
     region        = "nyc3"
     size          = "s-1vcpu-1gb"