[{"id":"IL-0180","title":{"en":"A GKE control plane auto-upgrade from 1.22 to 1.23 removed the v1beta1 Ingress and ValidatingWebhookConfiguration APIs that Istio 1.7.4 still used, and Istio stopped working in production","ko":"GKE 컨트롤 플레인이 1.22 에서 1.23 으로 자동 업그레이드되면서 v1beta1 API 를 쓰던 Istio 1.7.4 가 제대로 동작하지 않았다"},"org":"Sunwoo Park","org_slug":"sunwoo-park","date":"2023-05-18","severity":"unknown","root_cause":"upgrade-breaking-change","url":"https://benchlet.com/incidentlib/app/cases/IL-0180","shared_components":["admission-webhook"]},{"id":"IL-0090","title":{"en":"After an upgrade of the ModSec ingress controller module, its validating webhook served a certificate for the wrong service name and blocked every Ingress create and change","ko":"ModSec 인그레스 컨트롤러 모듈을 v3.33.0 으로 올린 뒤 검증 웹훅 호출이 x509 인증서 오류로 실패해, 모든 인그레스 생성과 변경이 막히고 사용자 애플리케이션 배포가 멈췄다."},"org":"UK Ministry of Justice","org_slug":"uk-ministry-of-justice","date":"2021-06-09","severity":"unknown","root_cause":"upgrade-breaking-change","url":"https://benchlet.com/incidentlib/app/cases/IL-0090","shared_components":["admission-webhook"]}]