feat: gate upgrades with compatibility matrix

2026-07-18 00:17:45 +07:00
parent d129ba60ef
commit 407d373b4e
6 changed files with 107 additions and 0 deletions
@@ -138,6 +138,7 @@ run "phase-sec24-supplychain"    bash "$TESTS/phase-sec24-tests.sh"
 run "phase-sec25-attestation"    bash "$TESTS/phase-sec25-tests.sh"
 run "phase-production-handoff"   bash "$TESTS/phase-production-preflight-tests.sh"
 run "phase-state-backup"         bash "$TESTS/phase-state-backup-tests.sh"
+run "phase-upgrade-compatibility" bash "$TESTS/phase-upgrade-compatibility-tests.sh"
 run "phase-release-provenance"    bash "$TESTS/phase-release-provenance-tests.sh"
 run "phase-service-desk-onboard"  bash "$TESTS/phase-service-desk-onboard-tests.sh"

@@ -0,0 +1,56 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+# Fail-closed compatibility gate for an upgrade or rollback. This command does
+# not deploy. It produces a machine-readable plan that a release workflow must
+# verify before it changes runtime state.
+#
+# upgrade-compatibility.sh check --from 1.0.0 --to 1.0.1 [--matrix FILE]
+# upgrade-compatibility.sh check --from 1.0.1 --to 1.0.0 --rollback [--matrix FILE]
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+source "$SCRIPT_DIR/casan-paths.sh"
+CMD="${1:-}"; shift || true
+FROM=""; TO=""; ROLLBACK=false
+MATRIX="${CASAN_COMPATIBILITY_MATRIX:-$CASAN_APP_ROOT/infra/production/compatibility-matrix.json}"
+while [[ "$#" -gt 0 ]]; do
+  case "$1" in
+    --from) FROM="${2:-}"; shift 2 ;;
+    --to) TO="${2:-}"; shift 2 ;;
+    --matrix) MATRIX="${2:-}"; shift 2 ;;
+    --rollback) ROLLBACK=true; shift ;;
+    *) echo "UPGRADE_COMPATIBILITY_FAIL reason=unknown_option option=$1" >&2; exit 64 ;;
+  esac
+done
+[[ "$CMD" == "check" && -n "$FROM" && -n "$TO" && -f "$MATRIX" ]] || {
+  echo "Usage: upgrade-compatibility.sh check --from X.Y.Z --to X.Y.Z [--rollback] [--matrix FILE]" >&2; exit 64; }
+
+python3 - "$MATRIX" "$FROM" "$TO" "$ROLLBACK" <<'PY'
+import json, re, sys
+matrix, source, target, rollback = sys.argv[1:]
+def parse(v):
+    m = re.fullmatch(r'(\d+)\.(\d+)\.(\d+)', v)
+    if not m: raise ValueError('invalid_semver')
+    return tuple(map(int, m.groups()))
+try:
+    src, dst = parse(source), parse(target)
+    data = json.load(open(matrix, encoding='utf8'))
+except Exception as e:
+    print(f'UPGRADE_COMPATIBILITY_FAIL reason={str(e)[:80]}', file=sys.stderr); raise SystemExit(1)
+def matches(pattern, version):
+    m = re.fullmatch(r'(\d+)\.(\d+)\.(x|\d+)', pattern)
+    if not m: return False
+    a,b,c=m.groups()
+    return version[0] == int(a) and version[1] == int(b) and (c == 'x' or version[2] == int(c))
+for rule in data.get('rules', []):
+    if matches(str(rule.get('from','')), src) and matches(str(rule.get('to','')), dst):
+        if rollback == 'true' and rule.get('rollback') != 'supported':
+            continue
+        print(json.dumps({'decision':'allow','from':source,'to':target,'rollback':rollback == 'true',
+                          'policy_schema':rule.get('policy_schema'),'evidence_pack_schema':rule.get('evidence_pack_schema'),
+                          'required_steps':['verify_release_provenance','state_backup','artifact_smoke','post_deploy_evidence_verify']}, sort_keys=True))
+        raise SystemExit(0)
+print(json.dumps({'decision':'deny','from':source,'to':target,'rollback':rollback == 'true',
+                  'reason':'no_approved_compatibility_rule'}, sort_keys=True), file=sys.stderr)
+raise SystemExit(1)
+PY