=== B-7 1단계: Grafana Ingress 를 백업한다 ===
30 /home/donghyeon/grafana-ingress-backup.yaml

=== B-7 2단계 ①② ===
ingress.networking.k8s.io "grafana" deleted from observability namespace
secret/oauth2-proxy-secrets configured
deployment.apps/oauth2-proxy created
service/oauth2-proxy created
ingress.networking.k8s.io/oauth2-proxy created
Waiting for deployment "oauth2-proxy" rollout to finish: 0 of 2 updated replicas are available...
error: timed out waiting for the condition

=== 파드 상태와 실제 오류 ===
oauth2-proxy-6c56c4c94f-vncmx   0/1   CrashLoopBackOff   4 (6s ago)    91s
oauth2-proxy-6c56c4c94f-zxg52   0/1   CrashLoopBackOff   3 (48s ago)   91s
---
[2026/09/17 07:37:18] [provider.go:55] Performing OIDC Discovery...
[2026/09/17 07:37:18] [main.go:59] ERROR: Failed to initialise OAuth2 Proxy: error initialising provider: could not create provider data: error building OIDC ProviderVerifier: could not get verifier builder: error while discovery OIDC configuration: failed to discover OIDC configuration: error performing request: Get "https://auth.hyeonworks.com/realms/keycloak-patterns/.well-known/openid-configuration": dial tcp 192.168.122.10:443: connect: connection refused
[2026/09/17 07:36:36] [provider.go:55] Performing OIDC Discovery...
[2026/09/17 07:36:36] [main.go:59] ERROR: Failed to initialise OAuth2 Proxy: error initialising provider: could not create provider data: error building OIDC ProviderVerifier: could not get verifier builder: error while discovery OIDC configuration: failed to discover OIDC configuration: error performing request: Get "https://auth.hyeonworks.com/realms/keycloak-patterns/.well-known/openid-configuration": dial tcp 192.168.122.10:443: connect: connection refused
