REFACTOR(blackbox-exporter): revert to http_2xx module

- Remove http_auth module workaround
- Authelia now bypasses internal cluster traffic
- All endpoints use standard http_2xx module

blackbox-exporter/helm-values.yaml

@@ -36,18 +36,6 @@ config:
         preferred_ip_protocol: ip4
         tls_config:
           insecure_skip_verify: true
-    # For services behind Authelia (returns 401 when not authenticated)
-    http_auth:
-      prober: http
-      timeout: 10s
-      http:
-        valid_http_versions: ["HTTP/1.1", "HTTP/2.0"]
-        valid_status_codes: [200, 301, 302, 303, 401, 403]
-        method: GET
-        follow_redirects: false
-        preferred_ip_protocol: ip4
-        tls_config:
-          insecure_skip_verify: false
     tcp_connect:
       prober: tcp
       timeout: 5s
@@ -73,7 +61,7 @@ serviceMonitor:
       module: http_2xx
     - name: grafana
       url: https://grafana0213.kro.kr
-      module: http_auth
+      module: http_2xx
     - name: vault
       url: https://vault0213.kro.kr
       module: http_2xx
@@ -91,7 +79,7 @@ serviceMonitor:
       module: http_2xx
     - name: velero-ui
       url: https://velero0213.kro.kr
-      module: http_auth
+      module: http_2xx
     - name: headlamp
       url: https://kubernetes0213.kro.kr
       module: http_2xx
@@ -100,10 +88,10 @@ serviceMonitor:
       module: http_2xx
     - name: code-server
       url: https://vscode0213.kro.kr
-      module: http_auth
+      module: http_2xx
     - name: pgweb
       url: https://pgweb0213.kro.kr
-      module: http_auth
+      module: http_2xx
     - name: zot
       url: https://zot0213.kro.kr
       module: http_2xx