Enforce signed backup evidence before migrations

tools/deployment/govoplan_deploy/bundle.py

@@ -28,7 +28,26 @@ PLAN_FILENAME = "plan.json"
 RECEIPT_FILENAME = "receipt.json"
 MANIFEST_FILENAME = "distribution-manifest.json"
 KEYRING_FILENAME = "distribution-keyring.json"
+BACKUP_EVIDENCE_FILENAME = "backup-evidence.json"
+BACKUP_KEYRING_FILENAME = "backup-keyring.json"
+BACKUP_VERIFICATION_FILENAME = "backup-verification.json"
 LOCK_FILENAME = ".deployment.lock"
+BACKUP_RUNTIME_ENV_KEYS = (
+    "GOVOPLAN_BACKUP_EVIDENCE_STATE",
+    "GOVOPLAN_BACKUP_EVIDENCE_ID",
+    "GOVOPLAN_BACKUP_RECOVERY_POINT_ID",
+    "GOVOPLAN_BACKUP_RESTORE_DRILL_ID",
+    "GOVOPLAN_BACKUP_EVIDENCE_SHA256",
+    "GOVOPLAN_BACKUP_RELEASE_MANIFEST_SHA256",
+    "GOVOPLAN_BACKUP_CAPTURED_AT",
+    "GOVOPLAN_BACKUP_EXPIRES_AT",
+    "GOVOPLAN_BACKUP_RESTORE_STARTED_AT",
+    "GOVOPLAN_BACKUP_RESTORE_COMPLETED_AT",
+    "GOVOPLAN_BACKUP_VERIFIED_AT",
+    "GOVOPLAN_BACKUP_MEASURED_RPO_SECONDS",
+    "GOVOPLAN_BACKUP_MEASURED_RTO_SECONDS",
+    "GOVOPLAN_BACKUP_COMPONENT_COUNT",
+)
 RUNTIME_ENV_KEYS = (
     "APP_ENV",
     "GOVOPLAN_INSTALL_PROFILE",
@@ -78,6 +97,7 @@ RUNTIME_ENV_KEYS = (
     "FILE_STORAGE_S3_BUCKET",
     "FILE_STORAGE_S3_DEPLOYMENT_MANAGED",
     "FILE_STORAGE_S3_ENDPOINT_TRUSTED",
+    *BACKUP_RUNTIME_ENV_KEYS,
 )
 
 
@@ -95,6 +115,9 @@ class BundlePaths:
     receipt: Path
     manifest: Path
     keyring: Path
+    backup_evidence: Path
+    backup_keyring: Path
+    backup_verification: Path
     lock: Path
 
 
@@ -116,6 +139,9 @@ def bundle_paths(root: Path) -> BundlePaths:
         receipt=resolved / RECEIPT_FILENAME,
         manifest=resolved / MANIFEST_FILENAME,
         keyring=resolved / KEYRING_FILENAME,
+        backup_evidence=resolved / BACKUP_EVIDENCE_FILENAME,
+        backup_keyring=resolved / BACKUP_KEYRING_FILENAME,
+        backup_verification=resolved / BACKUP_VERIFICATION_FILENAME,
         lock=resolved / LOCK_FILENAME,
     )