infra/cli/homelab.go
Viktor Barzin 3e3fdb34f0
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homelab: v0.6.0 — usage telemetry (usage top), evidence-driven verb prioritization
Answers the question that drove the whole CLI — which verbs to add next — with
data instead of one maintainer's habits, and resolves the cross-user-usage ask
in-bounds (no reading anyone's home).

- emit on dispatch: every verb fire-and-forgets one Loki line {job,user,verb} +
  "exit=N ver=X". ONLY the verb path + exit code — never args, paths, flags, or
  secrets (the emit never sees arguments). Best-effort: 800ms timeout, errors
  swallowed, never affects the command; opt-out HOMELAB_TELEMETRY=0. Discovery
  verbs (manifest/version/help) and usage itself don't self-record.
- usage top [--since 30d] [--user U] [--json]: ranks verbs via
  sum by (verb)(count_over_time({job="homelab-usage"}[…])) against the shared
  Loki. Cross-user analytics WITHOUT touching ~/.claude — the privacy-preserving
  answer to "what does the team use".
- Loki sink (zero new infra, dogfoods v0.5 logs path); push verified HTTP 204 no
  auth. ADR docs/adr/0011.

Live-verified: ran 4 verbs, usage top ranked them correctly (metrics query=2).

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-06-19 22:29:01 +00:00

95 lines
2.4 KiB
Go

package main
import (
"fmt"
"strings"
)
// version is stamped at build time via -ldflags "-X main.version=vX.Y.Z".
var version = "dev"
// buildRegistry returns every homelab verb. New verb-groups append here.
func buildRegistry() []Command {
var reg []Command
reg = append(reg, claimCommands()...)
reg = append(reg, tfCommands()...)
reg = append(reg, workCommands()...)
reg = append(reg, k8sCommands()...)
reg = append(reg, memoryCommands()...)
reg = append(reg, ciCommands()...)
reg = append(reg, deployCommands()...)
reg = append(reg, netCommands()...)
reg = append(reg, obsCommands()...)
reg = append(reg, usageCommands()...)
return reg
}
// dispatchTop handles the homelab verb surface. handled=false means the args are
// not a homelab verb, so main() falls back to the legacy -use-case path.
func dispatchTop(args []string) (handled bool, err error) {
if len(args) == 0 {
fmt.Print(usage())
return true, nil
}
switch args[0] {
case "help", "-h", "--help":
fmt.Print(usage())
return true, nil
case "version", "--version":
fmt.Println("homelab " + version)
return true, nil
case "manifest":
reg := buildRegistry()
if containsArg(args[1:], "--json") {
out, err := manifestJSON(reg)
if err != nil {
return true, err
}
fmt.Println(out)
return true, nil
}
fmt.Print(manifestText(reg))
return true, nil
}
if strings.HasPrefix(args[0], "-") {
return false, nil
}
reg := buildRegistry()
if !isCommandGroup(reg, args[0]) {
return false, nil
}
return true, dispatch(reg, args)
}
func isCommandGroup(reg []Command, group string) bool {
for _, c := range reg {
if len(c.Path) > 0 && c.Path[0] == group {
return true
}
}
return false
}
func containsArg(args []string, want string) bool {
for _, a := range args {
if a == want {
return true
}
}
return false
}
func usage() string {
var b strings.Builder
fmt.Fprintf(&b, "homelab %s — unified homelab operations CLI\n\n", version)
b.WriteString("Usage:\n homelab <command> [args]\n\nCommands:\n")
for _, line := range strings.Split(strings.TrimRight(manifestText(buildRegistry()), "\n"), "\n") {
if line != "" {
b.WriteString(" " + line + "\n")
}
}
b.WriteString("\n manifest [--json] list all commands (machine-readable with --json)\n")
b.WriteString(" version print version\n")
b.WriteString("\nLegacy webhook use-cases remain available via -use-case=<name>.\n")
return b.String()
}