a52851e79e
The proceed-path for a missing RESETTABLE secret redeployed the app with the secret blank (compose "Defaulting to a blank string" → exit 1, live-hit in the 2026-07-04 drill Phase 5). Now the restore generates a fresh credential instead: - stacks.Manager.GenerateSecretForField: replacement value from the field's catalog generate spec via the deploy flow's generateValue (no logic copied); refuses data-keys (defense-in-depth), spec-less and non-secret fields. - backup.Manager.SetSecretGenerator seam (wired in main.go), consulted in RestoreFromRecoveryUnit AFTER the untouched fail-closed gate, for missing names NOT in DataKeyEnvVars. The generated value rides fullEnv into RecreateStackFromUnit → RedeployFromEnv → SaveAppConfig, so it persists encrypted in the guest app.yaml and round-trips on the next backup/restore (no second write path). reconcileRestoreSecrets stays pure and untouched. - WARNs now discriminate: "generated replacement for X (credential was reset)" vs "X unrecoverable and has no generator — app may fail to start". Values are never logged (asserted in test). - Residual case (documented, not pretended away): if a restored volume tar carries the OLD internal credential hash, the app may still fail auth until a manual in-DB reset — generation fully fixes only the fresh-init case. Companion red-proof: pre-fix behaviour (generation skipped) fails TestRestoreGeneratesMissingResettableSecret on the non-empty DB_PASSWORD assertion (verified, reverted). Data-key gate proven unreachable by generation in TestRestoreGenerationNeverReachesDataKeys. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01PSK5g6qYLknKj8u3QAFEr6
90 lines
2.8 KiB
Go
90 lines
2.8 KiB
Go
package stacks
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import (
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"io"
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"log"
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"os"
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"path/filepath"
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"regexp"
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"testing"
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)
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// newSecretGenManager builds a Manager with one stack whose .felhom.yml declares the O4 test
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// fields: a generatable resettable secret, a data-key, and a spec-less secret.
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func newSecretGenManager(t *testing.T) *Manager {
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t.Helper()
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stackDir := filepath.Join(t.TempDir(), "app")
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if err := os.MkdirAll(stackDir, 0755); err != nil {
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t.Fatal(err)
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}
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meta := `display_name: App
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deploy_fields:
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- env_var: DB_PASSWORD
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type: secret
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generate: "password:24"
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- env_var: SECRET_KEY
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type: secret
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generate: "hex:32"
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data_key: true
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- env_var: ADMIN_TOKEN
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type: secret
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- env_var: SUBDOMAIN
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type: subdomain
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default: app
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`
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if err := os.WriteFile(filepath.Join(stackDir, ".felhom.yml"), []byte(meta), 0644); err != nil {
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t.Fatal(err)
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}
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return &Manager{
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logger: log.New(io.Discard, "", 0),
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stacks: map[string]*Stack{
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"app": {Name: "app", ComposePath: filepath.Join(stackDir, "docker-compose.yml")},
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},
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}
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}
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// TestGenerateSecretForField covers the O4 generator seam's contract: spec-conformant values for
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// resettable secrets, and REFUSAL for data-keys (frozen fail-closed territory), spec-less fields,
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// non-secret fields, and unknown stacks/vars.
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func TestGenerateSecretForField(t *testing.T) {
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m := newSecretGenManager(t)
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t.Run("resettable secret with spec → spec-conformant value", func(t *testing.T) {
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v, ok := m.GenerateSecretForField("app", "DB_PASSWORD")
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if !ok {
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t.Fatal("expected generation for DB_PASSWORD (generate: password:24)")
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}
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if len(v) != 24 || !regexp.MustCompile(`^[A-Za-z0-9]+$`).MatchString(v) {
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t.Errorf("value does not conform to password:24 (len=%d)", len(v))
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}
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// Distinct per call (crypto/rand-backed, not a constant).
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if v2, _ := m.GenerateSecretForField("app", "DB_PASSWORD"); v2 == v {
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t.Error("two generations returned the same value")
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}
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})
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t.Run("data-key → REFUSED even with a generate spec", func(t *testing.T) {
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if v, ok := m.GenerateSecretForField("app", "SECRET_KEY"); ok || v != "" {
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t.Error("a data-encrypting key must NEVER be generated")
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}
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})
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t.Run("no generate spec → refused", func(t *testing.T) {
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if _, ok := m.GenerateSecretForField("app", "ADMIN_TOKEN"); ok {
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t.Error("spec-less secret must not be generated (Scenario G: proceed-with-warn instead)")
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}
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})
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t.Run("non-secret field / unknown var / unknown stack → refused", func(t *testing.T) {
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if _, ok := m.GenerateSecretForField("app", "SUBDOMAIN"); ok {
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t.Error("non-secret field must not be generated")
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}
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if _, ok := m.GenerateSecretForField("app", "NOPE"); ok {
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t.Error("unknown env var must not be generated")
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}
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if _, ok := m.GenerateSecretForField("ghost", "DB_PASSWORD"); ok {
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t.Error("unknown stack must not be generated")
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}
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})
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}
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