refactor: generate task name fallback on coderd

DanielleMaywood · DanielleMaywood · commit f8b0b8481a97 · 2025-08-20T12:20:40.000Z
Instead of generating the fallback task name on the website, we instead
generate it on coderd.
diff --git a/coderd/aitasks.go b/coderd/aitasks.go
@@ -107,7 +107,7 @@ func (api *API) tasksCreate(rw http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	taskName := req.Name
+	taskName := taskname.GenerateFallback()
 	if anthropicAPIKey := taskname.GetAnthropicAPIKeyFromEnv(); anthropicAPIKey != "" {
 		anthropicModel := taskname.GetAnthropicModelFromEnv()
 
@@ -118,6 +118,7 @@ func (api *API) tasksCreate(rw http.ResponseWriter, r *http.Request) {
 			taskName = generatedName
 		}
 	}
+	taskName += "-" + taskname.GenerateSuffix()
 
 	createReq := codersdk.CreateWorkspaceRequest{
 		Name:                    taskName,
diff --git a/coderd/aitasks_test.go b/coderd/aitasks_test.go
@@ -151,7 +151,6 @@ func TestTaskCreate(t *testing.T) {
 		var (
 			ctx = testutil.Context(t, testutil.WaitShort)
 
-			taskName   = "task-foo-bar-baz"
 			taskPrompt = "Some task prompt"
 		)
 
@@ -176,15 +175,14 @@ func TestTaskCreate(t *testing.T) {
 
 		// When: We attempt to create a Task.
 		workspace, err := expClient.CreateTask(ctx, "me", codersdk.CreateTaskRequest{
-			Name:              taskName,
 			TemplateVersionID: template.ActiveVersionID,
 			Prompt:            taskPrompt,
 		})
 		require.NoError(t, err)
 		coderdtest.AwaitWorkspaceBuildJobCompleted(t, client, workspace.LatestBuild.ID)
 
 		// Then: We expect a workspace to have been created.
-		assert.Equal(t, taskName, workspace.Name)
+		assert.NotEmpty(t, workspace.Name)
 		assert.Equal(t, template.ID, workspace.TemplateID)
 
 		// And: We expect it to have the "AI Prompt" parameter correctly set.
@@ -201,7 +199,6 @@ func TestTaskCreate(t *testing.T) {
 		var (
 			ctx = testutil.Context(t, testutil.WaitShort)
 
-			taskName   = "task-foo-bar-baz"
 			taskPrompt = "Some task prompt"
 		)
 
@@ -217,7 +214,6 @@ func TestTaskCreate(t *testing.T) {
 
 		// When: We attempt to create a Task.
 		_, err := expClient.CreateTask(ctx, "me", codersdk.CreateTaskRequest{
-			Name:              taskName,
 			TemplateVersionID: template.ActiveVersionID,
 			Prompt:            taskPrompt,
 		})
@@ -235,7 +231,6 @@ func TestTaskCreate(t *testing.T) {
 		var (
 			ctx = testutil.Context(t, testutil.WaitShort)
 
-			taskName   = "task-foo-bar-baz"
 			taskPrompt = "Some task prompt"
 		)
 
@@ -251,7 +246,6 @@ func TestTaskCreate(t *testing.T) {
 
 		// When: We attempt to create a Task with an invalid template version ID.
 		_, err := expClient.CreateTask(ctx, "me", codersdk.CreateTaskRequest{
-			Name:              taskName,
 			TemplateVersionID: uuid.New(),
 			Prompt:            taskPrompt,
 		})
diff --git a/coderd/taskname/taskname.go b/coderd/taskname/taskname.go
@@ -2,11 +2,14 @@ package taskname
 
 import (
 	"context"
+	"fmt"
 	"io"
+	"math/rand/v2"
 	"os"
 
 	"github.com/anthropics/anthropic-sdk-go"
 	anthropicoption "github.com/anthropics/anthropic-sdk-go/option"
+	"github.com/moby/moby/pkg/namesgenerator"
 	"golang.org/x/xerrors"
 
 	"github.com/coder/aisdk-go"
@@ -20,19 +23,17 @@ const (
 Requirements:
 - Only lowercase letters, numbers, and hyphens
 - Start with "task-"
-- End with a random number between 0-99
-- Maximum 32 characters total
+- Maximum 28 characters total
 - Descriptive of the main task
 
 Examples:
-- "Help me debug a Python script" → "task-python-debug-12"
-- "Create a React dashboard component" → "task-react-dashboard-93"
-- "Analyze sales data from Q3" → "task-analyze-q3-sales-37"
-- "Set up CI/CD pipeline" → "task-setup-cicd-44"
+- "Help me debug a Python script" → "task-python-debug"
+- "Create a React dashboard component" → "task-react-dashboard"
+- "Analyze sales data from Q3" → "task-analyze-q3-sales"
+- "Set up CI/CD pipeline" → "task-setup-cicd"
 
 If you cannot create a suitable name:
-- Respond with "task-unnamed"
-- Do not end with a random number`
+- Respond with "task-unnamed"`
 )
 
 var (
@@ -67,6 +68,19 @@ func GetAnthropicModelFromEnv() anthropic.Model {
 	return anthropic.Model(os.Getenv("ANTHROPIC_MODEL"))
 }
 
+// GenerateSuffix generates a random hex string between `100` and `fff`.
+func GenerateSuffix() string {
+	min := 0x100
+	max := 0x1000
+	num := rand.IntN(max-min) + min
+
+	return fmt.Sprintf("%x", num)
+}
+
+func GenerateFallback() string {
+	return namesgenerator.GetRandomName(0)
+}
+
 func Generate(ctx context.Context, prompt string, opts ...Option) (string, error) {
 	o := options{}
 	for _, opt := range opts {
diff --git a/codersdk/aitasks.go b/codersdk/aitasks.go
@@ -47,7 +47,6 @@ func (c *ExperimentalClient) AITaskPrompts(ctx context.Context, buildIDs []uuid.
 }
 
 type CreateTaskRequest struct {
-	Name                    string    `json:"name"`
 	TemplateVersionID       uuid.UUID `json:"template_version_id" format:"uuid"`
 	TemplateVersionPresetID uuid.UUID `json:"template_version_preset_id,omitempty" format:"uuid"`
 	Prompt                  string    `json:"prompt"`
diff --git a/site/src/api/typesGenerated.ts b/site/src/api/typesGenerated.ts
diff --git a/site/src/pages/TasksPage/TasksPage.tsx b/site/src/pages/TasksPage/TasksPage.tsx
@@ -741,7 +741,6 @@ export const data = {
 		}
 
 		const workspace = await API.experimental.createTask(userId, {
-			name: `task-${generateWorkspaceName()}`,
 			template_version_id: templateVersionId,
 			template_version_preset_id: preset_id || undefined,
 			prompt,

Original file line number	Diff line number	Diff line change
`@@ -107,7 +107,7 @@ func (api API) tasksCreate(rw http.ResponseWriter, r http.Request) {`
`107`	`107`	`return`
`108`	`108`	`}`
`109`	`109`
`110`		`- taskName := req.Name`
	`110`	`+ taskName := taskname.GenerateFallback()`
`111`	`111`	`if anthropicAPIKey := taskname.GetAnthropicAPIKeyFromEnv(); anthropicAPIKey != "" {`
`112`	`112`	`anthropicModel := taskname.GetAnthropicModelFromEnv()`
`113`	`113`
`@@ -118,6 +118,7 @@ func (api API) tasksCreate(rw http.ResponseWriter, r http.Request) {`
`118`	`118`	`taskName = generatedName`
`119`	`119`	`}`
`120`	`120`	`}`
	`121`	`+ taskName += "-" + taskname.GenerateSuffix()`
`121`	`122`
`122`	`123`	`createReq := codersdk.CreateWorkspaceRequest{`
`123`	`124`	`Name: taskName,`
Original file line number	Diff line number	Diff line change
`@@ -47,7 +47,6 @@ func (c *ExperimentalClient) AITaskPrompts(ctx context.Context, buildIDs []uuid.`
`47`	`47`	`}`
`48`	`48`
`49`	`49`	`type CreateTaskRequest struct {`
`50`		- Name string `json:"name"`
`51`	`50`	TemplateVersionID uuid.UUID `json:"template_version_id" format:"uuid"`
`52`	`51`	TemplateVersionPresetID uuid.UUID `json:"template_version_preset_id,omitempty" format:"uuid"`
`53`	`52`	Prompt string `json:"prompt"`
Original file line number	Diff line number	Diff line change
`@@ -741,7 +741,6 @@ export const data = {`
`741`	`741`	`}`
`742`	`742`
`743`	`743`	`const workspace = await API.experimental.createTask(userId, {`
`744`		- name: `task-${generateWorkspaceName()}`,
`745`	`744`	`template_version_id: templateVersionId,`
`746`	`745`	`template_version_preset_id: preset_id \|\| undefined,`
`747`	`746`	`prompt,`