Remove image build --from-image; doctor treats catalog images as OK

The `image build` flow spun up a transient Firecracker VM, SSHed in,
and ran a large bash provisioning script to derive a new managed
image from an existing one. It overlapped heavily with the golden-
image Dockerfile flow (same mise/docker/tmux/opencode install logic
duplicated in Go as `imagemgr.BuildProvisionScript`) and had far more
machinery: async op state, RPC begin/status/cancel, webui form +
operation page, preflight checks, API types, tests. For custom
images, writing a Dockerfile is simpler and more reproducible.

Removed end-to-end:
- CLI `image build` subcommand + `absolutizeImageBuildPaths`.
- Daemon: BuildImage method, imagebuild.go (transient-VM orchestration),
  image_build_ops.go (async begin/status/cancel), imagemgr/build.go
  (the 247-line provisioning script generator and all its append*
  helpers), validateImageBuildPrereqs + addImageBuildPrereqs.
- RPC dispatches for image.build / .begin / .status / .cancel.
- opstate registry `imageBuildOps`, daemon seam `imageBuild`,
  background pruner call.
- API types: ImageBuildParams, ImageBuildOperation, ImageBuildBeginResult,
  ImageBuildStatusParams, ImageBuildStatusResult; model type
  ImageBuildRequest.
- Web UI: Backend interface methods, handlers, form, routes, template
  branches (images.html build form, operation.html build branch,
  dashboard.html Build button).
- Tests that directly exercised BuildImage.

Doctor polish (task C):
- Drop the "image build" preflight section entirely (its raison d'être
  is gone).
- Default-image check now accepts "not local but in imagecat" as OK:
  vm create auto-pulls on first use. Only flag when the image is
  neither locally registered nor in the catalog.

Net: 24 files touched, 1,373 lines deleted, 25 added.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
This commit is contained in:
Thales Maciel 2026-04-18 15:54:29 -03:00
parent ace4782fce
commit ac7974f5b9
No known key found for this signature in database
GPG key ID: 33112E6833C34679
24 changed files with 25 additions and 1398 deletions

View file

@ -43,8 +43,6 @@ type Backend interface {
PortsVM(context.Context, string) (api.VMPortsResult, error)
ListImages(context.Context) ([]model.Image, error)
FindImage(context.Context, string) (model.Image, error)
BeginImageBuild(context.Context, api.ImageBuildParams) (api.ImageBuildOperation, error)
ImageBuildStatus(context.Context, string) (api.ImageBuildOperation, error)
RegisterImage(context.Context, api.ImageRegisterParams) (model.Image, error)
PromoteImage(context.Context, string) (model.Image, error)
DeleteImage(context.Context, string) (model.Image, error)
@ -84,16 +82,6 @@ type vmSetForm struct {
NATEnabled bool
}
type imageBuildForm struct {
Name string
FromImage string
Size string
KernelPath string
InitrdPath string
ModulesDir string
Docker bool
}
type imageRegisterForm struct {
Name string
RootfsPath string
@ -126,11 +114,9 @@ type pageData struct {
Images []model.Image
Image model.Image
ImageUsers int
ImageBuildForm imageBuildForm
ImageRegisterForm imageRegisterForm
LogText string
VMCreateOperation *api.VMCreateOperation
ImageBuildOperation *api.ImageBuildOperation
OperationStatusURL string
OperationSuccessURL string
OperationLogPath string
@ -197,17 +183,13 @@ func (s *Server) registerRoutes(mux *http.ServeMux) {
mux.HandleFunc("POST /vms/{id}/delete", s.wrap(s.handleVMDelete))
mux.HandleFunc("POST /vms/{id}/set", s.wrap(s.handleVMSet))
mux.HandleFunc("GET /images", s.wrap(s.handleImageList))
mux.HandleFunc("GET /images/build", s.wrap(s.handleImageBuildForm))
mux.HandleFunc("POST /images/build", s.wrap(s.handleImageBuild))
mux.HandleFunc("GET /images/register", s.wrap(s.handleImageRegisterForm))
mux.HandleFunc("POST /images/register", s.wrap(s.handleImageRegister))
mux.HandleFunc("GET /images/{id}", s.wrap(s.handleImageShow))
mux.HandleFunc("POST /images/{id}/promote", s.wrap(s.handleImagePromote))
mux.HandleFunc("POST /images/{id}/delete", s.wrap(s.handleImageDelete))
mux.HandleFunc("GET /operations/vm-create/{id}", s.wrap(s.handleVMCreateOperationPage))
mux.HandleFunc("GET /operations/image-build/{id}", s.wrap(s.handleImageBuildOperationPage))
mux.HandleFunc("GET /api/operations/vm-create/{id}", s.wrap(s.handleVMCreateOperationAPI))
mux.HandleFunc("GET /api/operations/image-build/{id}", s.wrap(s.handleImageBuildOperationAPI))
mux.HandleFunc("GET /api/fs", s.wrap(s.handleFSAPI))
}
@ -522,42 +504,6 @@ func (s *Server) handleImageList(w http.ResponseWriter, r *http.Request) error {
})
}
func (s *Server) handleImageBuildForm(w http.ResponseWriter, r *http.Request) error {
return s.renderImageBuildPage(w, r, imageBuildForm{}, "")
}
func (s *Server) renderImageBuildPage(w http.ResponseWriter, r *http.Request, form imageBuildForm, formErr string) error {
return s.renderPage(w, r, http.StatusOK, "Build Image", "image_build_content", func(data *pageData) error {
data.Section = "images"
data.ImageBuildForm = form
data.ErrorMessage = formErr
return nil
})
}
func (s *Server) handleImageBuild(w http.ResponseWriter, r *http.Request) error {
if err := s.verifyPOST(w, r); err != nil {
return err
}
allowed, err := s.requireMutationAllowed(r.Context())
if err != nil {
return err
}
form, params, err := s.parseImageBuildForm(r)
if err != nil {
return s.renderImageBuildPage(w, r, form, err.Error())
}
if !allowed {
return s.renderImageBuildPage(w, r, form, "mutating actions are unavailable until `sudo -v` succeeds")
}
op, err := s.backend.BeginImageBuild(r.Context(), params)
if err != nil {
return s.renderImageBuildPage(w, r, form, err.Error())
}
http.Redirect(w, r, "/operations/image-build/"+url.PathEscape(op.ID), http.StatusSeeOther)
return nil
}
func (s *Server) handleImageRegisterForm(w http.ResponseWriter, r *http.Request) error {
return s.renderImageRegisterPage(w, r, imageRegisterForm{}, "")
}
@ -683,24 +629,6 @@ func (s *Server) handleVMCreateOperationPage(w http.ResponseWriter, r *http.Requ
})
}
func (s *Server) handleImageBuildOperationPage(w http.ResponseWriter, r *http.Request) error {
op, err := s.backend.ImageBuildStatus(r.Context(), r.PathValue("id"))
if err != nil {
return err
}
return s.renderPage(w, r, http.StatusOK, "Building Image", "operation_content", func(data *pageData) error {
data.Section = "images"
data.OperationKind = "image"
data.ImageBuildOperation = &op
data.OperationStatusURL = "/api/operations/image-build/" + url.PathEscape(op.ID)
if op.ImageID != "" {
data.OperationSuccessURL = "/images/" + url.PathEscape(op.ImageID)
}
data.OperationLogPath = op.BuildLogPath
return nil
})
}
func (s *Server) handleVMCreateOperationAPI(w http.ResponseWriter, r *http.Request) error {
op, err := s.backend.VMCreateStatus(r.Context(), r.PathValue("id"))
if err != nil {
@ -709,14 +637,6 @@ func (s *Server) handleVMCreateOperationAPI(w http.ResponseWriter, r *http.Reque
return writeJSON(w, api.VMCreateStatusResult{Operation: op})
}
func (s *Server) handleImageBuildOperationAPI(w http.ResponseWriter, r *http.Request) error {
op, err := s.backend.ImageBuildStatus(r.Context(), r.PathValue("id"))
if err != nil {
return err
}
return writeJSON(w, api.ImageBuildStatusResult{Operation: op})
}
func (s *Server) handleFSAPI(w http.ResponseWriter, r *http.Request) error {
path := strings.TrimSpace(r.URL.Query().Get("path"))
if path == "" {
@ -977,31 +897,6 @@ func (s *Server) parseVMSetForm(r *http.Request, vm model.VMRecord) (api.VMSetPa
return params, nil
}
func (s *Server) parseImageBuildForm(r *http.Request) (imageBuildForm, api.ImageBuildParams, error) {
if err := s.verifyPOST(nilResponseWriter{}, r); err != nil {
return imageBuildForm{}, api.ImageBuildParams{}, err
}
form := imageBuildForm{
Name: strings.TrimSpace(r.FormValue("name")),
FromImage: strings.TrimSpace(r.FormValue("from_image")),
Size: strings.TrimSpace(r.FormValue("size")),
KernelPath: strings.TrimSpace(r.FormValue("kernel_path")),
InitrdPath: strings.TrimSpace(r.FormValue("initrd_path")),
ModulesDir: strings.TrimSpace(r.FormValue("modules_dir")),
Docker: r.FormValue("docker") == "on",
}
params := api.ImageBuildParams{
Name: form.Name,
FromImage: form.FromImage,
Size: form.Size,
KernelPath: form.KernelPath,
InitrdPath: form.InitrdPath,
ModulesDir: form.ModulesDir,
Docker: form.Docker,
}
return form, params, nil
}
func (s *Server) parseImageRegisterForm(r *http.Request) (imageRegisterForm, api.ImageRegisterParams, error) {
if err := s.verifyPOST(nilResponseWriter{}, r); err != nil {
return imageRegisterForm{}, api.ImageRegisterParams{}, err