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Feature 57 (config and provisioning): modules declare config and provisions, their files rendered from templates; synced with main (issues of feature 57, 874)

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This commit is contained in:
mesh-tools
2026-10-16 07:37:43 +00:00
parent 1a2c917abf
commit 9652b2d5ce
771 changed files with 52063 additions and 1774 deletions
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modules/feh/cmd/feh-tools/manifest_helpers_test.go
+126 -25
View File
@@ -14,6 +14,8 @@ import (
type manifest struct {
Module string `json:"module"`
Version string `json:"version"`
Moved bool `json:"moved"`
Items []item `json:"items"`
Capabilities []string `json:"capabilities"`
Requires []string `json:"requires"`
Claims []claim `json:"claims"`
@@ -23,7 +25,7 @@ type manifest struct {
Shell []shellCode `json:"shell"`
Resources []map[string]any `json:"resources"`
// Lines for other modules' seats (novox/hq ADR 0212): the window manager's, here.
Contributions []contribution `json:"contributions"`
Contributions []any `json:"contributions"`
Build struct {
Artifacts []map[string]any `json:"artifacts"`
} `json:"build"`
@@ -46,6 +48,53 @@ type shellCode struct {
Code string `json:"code"`
}
// An item of a collection (novox/hq ADR 0349 clause 13): its text is the template file beside the manifest.
type item struct {
Collection string `json:"collection"`
Name string `json:"name"`
Attributes map[string]string `json:"attributes"`
Template string `json:"template"`
}
// shell is the code the module adds to a shell's or the session's start, read from the templates of its items of
// the collections shell:<file>:<slot>, in the order they are declared.
func (m manifest) shell(t *testing.T) []shellCode {
t.Helper()
var out []shellCode
for _, it := range m.Items {
parts := strings.Split(it.Collection, ":")
if len(parts) != 3 || parts[0] != "shell" {
continue
}
text, err := os.ReadFile(filepath.Join("..", "..", it.Template))
if err != nil {
t.Fatal(err)
}
out = append(out, shellCode{For: parts[1], Slot: parts[2], Code: string(text)})
}
return out
}
// environmentOf is the variables the module sets, read from the templates of its items of the environment.
func (m manifest) environmentOf(t *testing.T) *environment {
t.Helper()
var env *environment
for _, it := range m.Items {
if it.Collection != "environment" || it.Attributes["kind"] != "variable" {
continue
}
text, err := os.ReadFile(filepath.Join("..", "..", it.Template))
if err != nil {
t.Fatal(err)
}
if env == nil {
env = &environment{Variables: map[string]string{}}
}
env.Variables[it.Attributes["name"]] = strings.TrimSuffix(string(text), "\n")
}
return env
}
func readManifest(t *testing.T) manifest {
t.Helper()
raw, err := os.ReadFile(filepath.Join("..", "..", "module.json"))
@@ -58,6 +107,7 @@ func readManifest(t *testing.T) manifest {
if err := dec.Decode(&m); err != nil {
t.Fatalf("module.json: %v", err)
}
m.Environment = m.environmentOf(t)
return m
}
@@ -85,26 +135,66 @@ func (m manifest) packages() (present, absent []string) {
return present, absent
}
// sameAsSource checks that a file resource's content is byte for byte the module's source file, so
// the readable file in the repository is what the machine gets.
func (m manifest) sameAsSource(t *testing.T, id, source string) {
// fromTemplate checks that a file resource takes its text from its template file in the module's
// repository (novox/hq ADR 0349 §2): it names the template, carries no text of its own beside it, and the
// template is there. The readable file in the repository is the one place the machine's text is written.
func (m manifest) fromTemplate(t *testing.T, id, template string) {
t.Helper()
want, err := os.ReadFile(filepath.Join("..", "..", source))
if err != nil {
t.Fatal(err)
}
r := m.resource(t, id)
if r["type"] != "file" {
t.Fatalf("%s is a %v, not a file", id, r["type"])
}
if got, _ := r["content"].(string); got != string(want) {
t.Fatalf("resource %s's content is not %s: edit the source and copy it into module.json", id, source)
if r["template"] != template {
t.Fatalf("resource %s does not take its text from %s: template %v", id, template, r["template"])
}
if _, inline := r["content"]; inline {
t.Fatalf("resource %s keeps its text inline beside its template: a file's text is in one place", id)
}
if _, err := os.Stat(filepath.Join("..", "..", template)); err != nil {
t.Fatalf("resource %s names %s: %v", id, template, err)
}
if r["owner"] != "${machine:account}" && !strings.HasPrefix(r["path"].(string), "/etc/") {
t.Fatalf("%s under the home is the account's", id)
}
}
// everyFileIsATemplate checks that no file resource carries its text inline, and that the build packs
// files/ into the one archive the controller reads the templates back from (novox/hq ADR 0349 §2).
func (m manifest) everyFileIsATemplate(t *testing.T) {
t.Helper()
for _, r := range m.Resources {
if _, inline := r["content"]; inline {
t.Errorf("resource %v keeps its text inline: keep it in files/ and name it as the template", r["id"])
}
}
packs := 0
for _, a := range m.Build.Artifacts {
if a["kind"] == "archive" && a["from"] == "files" {
packs++
if a["name"] != "files" {
t.Errorf("the templates archive is named %v, not files", a["name"])
}
}
}
if packs != 1 {
t.Errorf("the build packs files/ into %d archives, not one", packs)
}
}
// text is the text a file resource places on the machine: its template file's.
func (m manifest) text(t *testing.T, id string) string {
t.Helper()
name, _ := m.resource(t, id)["template"].(string)
if name == "" {
t.Fatalf("resource %s names no template", id)
}
raw, err := os.ReadFile(filepath.Join("..", "..", name))
if err != nil {
t.Fatal(err)
}
return string(raw)
}
// checkTheToolsAgree checks that the manifest lists the module's own tools exactly, that the bundle
// serves each seat verb the claims promise as <seat>.<verb>, and that the Go bundle is declared.
func checkTheToolsAgree(t *testing.T, m manifest) {
@@ -176,31 +266,42 @@ func checkNoSecretsOrInstallationNames(t *testing.T) {
}
}
type contribution struct {
Seat string `json:"seat"`
Kind string `json:"kind"`
Content string `json:"content"`
}
// displaySession is the collection the module's lines for the window manager are an item of.
const displaySession = "contribution:node-display-session:config"
// i3Lines is what the module contributes to the window manager.
// i3Lines is what the module contributes to the window manager: the text of its item of the collection
// contribution:node-display-session:config (design 57 L3, issue 848).
func (m manifest) i3Lines() string {
var out string
for _, c := range m.Contributions {
if c.Seat == "node-display-session" && c.Kind == "config" {
out += c.Content
for _, it := range m.Items {
if it.Collection == displaySession {
text, err := os.ReadFile(filepath.Join("..", "..", it.Template))
if err != nil {
return ""
}
out += string(text)
}
}
return out
}
// i3LinesAreSource checks the window-manager contribution is the source file it is written from.
// i3LinesAreSource checks the window-manager lines are one item whose template is the source file, and that no
// old-form contribution to node-display-session is left.
func (m manifest) i3LinesAreSource(t *testing.T, source string) {
t.Helper()
want, err := os.ReadFile(filepath.Join("..", "..", source))
if err != nil {
t.Fatal(err)
if len(m.Contributions) != 0 {
t.Fatalf("the module still holds contributions: the lines are an item of %s", displaySession)
}
if m.i3Lines() != string(want) {
t.Fatalf("the contribution to node-display-session is not %s: edit the source and copy it into module.json", source)
var templates []string
for _, it := range m.Items {
if it.Collection == displaySession {
templates = append(templates, it.Template)
}
}
if len(templates) != 1 || templates[0] != source {
t.Fatalf("the items of %s are %v, want the one template %s", displaySession, templates, source)
}
if m.i3Lines() == "" {
t.Fatalf("the template %s holds no line", source)
}
}
modules/feh/cmd/feh-tools/manifest_test.go
+9 -4
View File
@@ -48,16 +48,16 @@ func TestTheWallpaperIsTheModulesOwnArchive(t *testing.T) {
func TestFehbgIsOwnedAndTheSessionStartRunsItOnce(t *testing.T) {
m := readManifest(t)
m.sameAsSource(t, "fehbg", "files/fehbg")
m.fromTemplate(t, "fehbg", "files/fehbg")
f := m.resource(t, "fehbg")
if f["path"] != "${machine:account-home}/.fehbg" || f["mode"] != "0755" {
t.Fatalf("%v", f)
}
if c := f["content"].(string); !strings.Contains(c, "$HOME/.local/share/feh/wallpapers/default.jpg") || strings.Contains(c, ".hal") {
if c := m.text(t, "fehbg"); !strings.Contains(c, "$HOME/.local/share/feh/wallpapers/default.jpg") || strings.Contains(c, ".hal") {
t.Fatalf("%s", c)
}
if len(m.Shell) != 1 || m.Shell[0].For != "xinitrc" || m.Shell[0].Slot != "normal" || strings.Count(m.Shell[0].Code, `"$HOME/.fehbg"`) != 1 {
t.Fatalf("%+v", m.Shell)
if len(m.shell(t)) != 1 || m.shell(t)[0].For != "xinitrc" || m.shell(t)[0].Slot != "normal" || strings.Count(m.shell(t)[0].Code, `"$HOME/.fehbg"`) != 1 {
t.Fatalf("%+v", m.shell(t))
}
}
@@ -77,3 +77,8 @@ func TestTheToolsAgreeWithTheManifest(t *testing.T) {
checkTheToolsAgree(t, m)
checkNoSecretsOrInstallationNames(t)
}
// No file resource carries its text inline (novox/hq ADR 0349 §2).
func TestEveryFileTakesItsTextFromATemplate(t *testing.T) {
readManifest(t).everyFileIsATemplate(t)
}