Files
coder/codersdk/templatebuilder.go
T
Jeremy RuppelandCoder Agent 51ac968d5a feat: wire up Template Builder session telemetry endpoint (#27124)
`TemplateBuilderSession` telemetry types and telemetry-server ingestion
were added in earlier PRs (#25082, coder/coder-telemetry-server#41), but
no code ever produced session events. This adds the missing producer.

**Backend**: `POST /api/v2/templatebuilder/sessions` reports wizard
entry and compose completion events directly via
`api.Telemetry.Report()`, using the same inline pattern as
`NetworkEvents` and `UserTailnetConnections`. No database migration or
`createSnapshot()` changes needed. RBAC requires `policy.ActionCreate`
on `ResourceTemplate.AnyOrganization()`, matching the compose endpoint.

**Frontend**: The template builder wizard fires `wizard_entry` on page
mount and `compose_completion` on create success or failure. A
client-generated session ID (UUID) correlates the two events for the
same wizard visit, enabling precise funnel analysis and abandonment
detection in BigQuery. Duration is tracked via `Date.now()` in the
wizard state.

Closes https://linear.app/codercom/issue/DEVEX-599

<details>
<summary>Implementation plan</summary>

## Root Cause Analysis

The DEVEX-599 ticket diagnosis suggested missing DB tables, queries, and
`eg.Go` blocks. That diagnosis assumes the DB-backed periodic snapshot
path is required. It is not. Investigation shows two telemetry reporting
patterns in the codebase:

1. **DB-backed periodic snapshots** (`createSnapshot()` with `eg.Go`
blocks): Used for durable entities like workspaces, templates, users.
2. **Direct inline reporting**
(`api.Telemetry.Report(&telemetry.Snapshot{...})`): Used for ephemeral
events like `NetworkEvents`, `UserTailnetConnections`, `CLIInvocations`.

Template builder sessions are ephemeral events, so the direct inline
reporting pattern is the correct fit.

## Backend Changes

- `codersdk/templatebuilder.go`: `TemplateBuilderSessionRequest` type
with `SessionID`, `EventType` enum, `TemplateBuilderSession()` client
method
- `coderd/coderd.go`: Route registration in `/templatebuilder` group
- `coderd/templatebuilder_handler.go`: Handler with RBAC check, request
validation, session ID fallback, and inline telemetry report
- `coderd/templatebuilder_handler_test.go`: Tests for wizard entry,
compose completion, invalid event type, disabled feature, and member
RBAC rejection

## Frontend Changes

- `site/src/api/api.ts`: `recordTemplateBuilderSession` API method
- `site/src/api/queries/templateBuilder.ts`: React Query mutation
- `site/src/pages/TemplateBuilder/wizardState.ts`: `sessionId` and
`enteredAt` fields, `createWizardState()` factory for per-mount
initialization
- `site/src/pages/TemplateBuilder/TemplateBuilderPageView.tsx`:
`sessionId` prop, `useReducer` initializer form
- `site/src/pages/TemplateBuilder/TemplateBuilderPage.tsx`: Telemetry
calls for wizard entry (on mount) and compose completion (on create
success/failure)

</details>

> 🤖 Generated by Coder Agents

---------

Co-authored-by: Coder Agent <agent@coder.com>
2026-07-27 16:10:40 -04:00

201 lines
8.3 KiB
Go

package codersdk
import (
"context"
"encoding/json"
"io"
"net/http"
"net/url"
"github.com/google/uuid"
)
// TemplateBuilderVariableType enumerates the variable types
// supported by template builder module manifests.
type TemplateBuilderVariableType string
const (
TemplateBuilderVariableTypeString TemplateBuilderVariableType = "string"
TemplateBuilderVariableTypeNumber TemplateBuilderVariableType = "number"
TemplateBuilderVariableTypeBool TemplateBuilderVariableType = "bool"
)
type TemplateBuilderModuleVariable struct {
Name string `json:"name"`
Type TemplateBuilderVariableType `json:"type"`
Description string `json:"description"`
Default json.RawMessage `json:"default,omitempty"`
Required bool `json:"required"`
Sensitive bool `json:"sensitive"`
}
// TemplateBuilderModule is the API response type returned by
// GET /api/v2/templatebuilder/modules. The Version field is
// populated from the catalog manifest's PinnedVersion at serving time.
type TemplateBuilderModule struct {
ID string `json:"id"`
DisplayName string `json:"display_name"`
Description string `json:"description"`
Icon string `json:"icon"`
Category string `json:"category"`
Version string `json:"version"`
CompatibleOS []string `json:"compatible_os"`
ConflictsWith []string `json:"conflicts_with"`
Variables []TemplateBuilderModuleVariable `json:"variables"`
}
// TemplateBuilderModulesResponse is the response body for listing template builder modules.
type TemplateBuilderModulesResponse struct {
Modules []TemplateBuilderModule `json:"modules"`
}
// TemplateBuilderBase is the API response type for a base template
// returned by GET /api/v2/templatebuilder/bases.
type TemplateBuilderBase struct {
ID string `json:"id"`
Name string `json:"name"`
Description string `json:"description"`
Icon string `json:"icon"`
OS string `json:"os"`
Variables []TemplateBuilderModuleVariable `json:"variables"`
Prerequisites string `json:"prerequisites"`
}
// TemplateBuilderBasesResponse is the response body for listing template builder bases.
type TemplateBuilderBasesResponse struct {
Bases []TemplateBuilderBase `json:"bases"`
}
// TemplateBuilderBases returns the list of base templates available
// in the template builder.
func (c *Client) TemplateBuilderBases(ctx context.Context) (TemplateBuilderBasesResponse, error) {
res, err := c.Request(ctx, http.MethodGet, "/api/v2/templatebuilder/bases", nil)
if err != nil {
return TemplateBuilderBasesResponse{}, err
}
defer res.Body.Close()
if res.StatusCode != http.StatusOK {
return TemplateBuilderBasesResponse{}, ReadBodyAsError(res)
}
var resp TemplateBuilderBasesResponse
return resp, json.NewDecoder(res.Body).Decode(&resp)
}
// TemplateBuilderModules returns the list of modules available for a given
// base template. If base is empty, all modules are returned.
func (c *Client) TemplateBuilderModules(ctx context.Context, base string) (TemplateBuilderModulesResponse, error) {
path := "/api/v2/templatebuilder/modules"
if base != "" {
q := url.Values{"base": {base}}
path += "?" + q.Encode()
}
res, err := c.Request(ctx, http.MethodGet, path, nil)
if err != nil {
return TemplateBuilderModulesResponse{}, err
}
defer res.Body.Close()
if res.StatusCode != http.StatusOK {
return TemplateBuilderModulesResponse{}, ReadBodyAsError(res)
}
var resp TemplateBuilderModulesResponse
return resp, json.NewDecoder(res.Body).Decode(&resp)
}
// TemplateBuilderComposeRequest is the request body for
// POST /api/v2/templatebuilder/compose.
type TemplateBuilderComposeRequest struct {
BaseTemplateID string `json:"base_template_id"`
BaseVariableValues map[string]string `json:"base_variable_values,omitempty"`
Modules []TemplateBuilderComposeModule `json:"modules"`
}
// TemplateBuilderComposeModule identifies a module and its variable
// values for the compose request.
type TemplateBuilderComposeModule struct {
ID string `json:"id"`
Variables map[string]string `json:"variables,omitempty"`
}
// TemplateBuilderCompose renders a base template with the selected
// modules and returns the resulting tar archive bytes.
func (c *Client) TemplateBuilderCompose(ctx context.Context, req TemplateBuilderComposeRequest) ([]byte, error) {
res, err := c.Request(ctx, http.MethodPost, "/api/v2/templatebuilder/compose", req)
if err != nil {
return nil, err
}
defer res.Body.Close()
if res.StatusCode != http.StatusOK {
return nil, ReadBodyAsError(res)
}
return io.ReadAll(res.Body)
}
// TemplateBuilderCreateTemplateRequest is the request body for
// POST /api/v2/templatebuilder/compose/template.
type TemplateBuilderCreateTemplateRequest struct {
BaseTemplateID string `json:"base_template_id"`
BaseVariableValues map[string]string `json:"base_variable_values,omitempty"`
Modules []TemplateBuilderComposeModule `json:"modules"`
OrganizationID uuid.UUID `json:"organization_id" format:"uuid" validate:"required"`
Name string `json:"name" validate:"required,template_name"`
DisplayName string `json:"display_name,omitempty" validate:"template_display_name"`
Description string `json:"description,omitempty" validate:"lt=128"`
Icon string `json:"icon,omitempty"`
ProvisionerTags map[string]string `json:"provisioner_tags,omitempty"`
}
// TemplateBuilderCreateTemplateResponse is the response body for
// POST /api/v2/templatebuilder/compose/template.
type TemplateBuilderCreateTemplateResponse struct {
Template Template `json:"template"`
}
// TemplateBuilderSessionEventType enumerates the event types for
// template builder session telemetry.
type TemplateBuilderSessionEventType string
const (
TemplateBuilderSessionEventWizardEntry TemplateBuilderSessionEventType = "wizard_entry"
TemplateBuilderSessionEventComposeCompletion TemplateBuilderSessionEventType = "compose_completion"
)
// TemplateBuilderSessionRequest is the request body for
// POST /api/v2/templatebuilder/sessions.
type TemplateBuilderSessionRequest struct {
SessionID uuid.UUID `json:"session_id" format:"uuid" validate:"required"`
EventType TemplateBuilderSessionEventType `json:"event_type" validate:"required,oneof=wizard_entry compose_completion"`
BaseTemplateID string `json:"base_template_id,omitempty"`
ModuleIDs []string `json:"module_ids,omitempty"`
DurationSeconds float64 `json:"duration_seconds,omitempty"`
Success bool `json:"success,omitempty"`
}
// TemplateBuilderSession reports a template builder session event for
// telemetry purposes.
func (c *Client) TemplateBuilderSession(ctx context.Context, req TemplateBuilderSessionRequest) error {
res, err := c.Request(ctx, http.MethodPost, "/api/v2/templatebuilder/sessions", req)
if err != nil {
return err
}
defer res.Body.Close()
if res.StatusCode != http.StatusNoContent {
return ReadBodyAsError(res)
}
return nil
}
// TemplateBuilderCreateTemplate composes a template from a base and modules,
// validates it via a provisioner import job, and creates the template.
func (c *Client) TemplateBuilderCreateTemplate(ctx context.Context, req TemplateBuilderCreateTemplateRequest) (TemplateBuilderCreateTemplateResponse, error) {
res, err := c.Request(ctx, http.MethodPost, "/api/v2/templatebuilder/compose/template", req)
if err != nil {
return TemplateBuilderCreateTemplateResponse{}, err
}
defer res.Body.Close()
if res.StatusCode != http.StatusCreated {
return TemplateBuilderCreateTemplateResponse{}, ReadBodyAsError(res)
}
var resp TemplateBuilderCreateTemplateResponse
return resp, json.NewDecoder(res.Body).Decode(&resp)
}