Read brusnika-stage OpenObserve auth from Vault file in otel

clusters/brusnika-stage/infrastructure/patches/opentelemetry-collector.yaml

@@ -8,26 +8,6 @@ spec:
     disableWait: true
   upgrade:
     disableWait: true
-  postRenderers:
-    - kustomize:
-        patches:
-          - target:
-              group: apps
-              version: v1
-              kind: DaemonSet
-              name: otel-collector-agent
-            patch: |-
-              - op: replace
-                path: /spec/template/spec/containers/0/command
-                value:
-                  - /bin/sh
-                  - -ec
-              - op: replace
-                path: /spec/template/spec/containers/0/args
-                value:
-                  - |
-                    export OPENOBSERVE_BASIC_AUTH="$(cat /vault/secrets/openobserve-basic-auth)"
-                    exec /otelcol-contrib --config=/conf/relay.yaml
   dependsOn:
     - name: prometheus-stack
       namespace: prometheus-stack
@@ -47,7 +27,7 @@ spec:
       vault.hashicorp.com/agent-inject-secret-openobserve-basic-auth: secrets/data/vault/apps/openobserve
       vault.hashicorp.com/agent-inject-template-openobserve-basic-auth: |-
         {{ "{{- with secret \"secrets/data/vault/apps/openobserve\" -}}" }}
-        {{ "{{ index .Data.data \"OPENOBSERVE_BASIC_AUTH\" }}" }}
+        Basic {{ "{{ index .Data.data \"OPENOBSERVE_BASIC_AUTH\" }}" }}
         {{ "{{- end -}}" }}
     mode: daemonset
     fullnameOverride: otel-collector
@@ -89,7 +69,7 @@ spec:
         otlphttp/openobserve:
           endpoint: http://openobserve-web.openobserve.svc.cluster.local:5080/api/default
           headers:
-            Authorization: Basic ${env:OPENOBSERVE_BASIC_AUTH}
+            Authorization: ${file:/vault/secrets/openobserve-basic-auth}
           tls:
             insecure: true
       service: