chore(vmauth): use random user

Author: duanhongyi

charts/victoriametrics/templates/victoriametrics/vmauth/vmauth-config.yaml

@@ -0,0 +1,31 @@
+{{ $username := include "common.secrets.lookup" (dict "secret" "victoriametrics-vmauth-creds" "key" "username" "defaultValue" (default (randAlphaNum 16) .Values.vmauth.username) "context" $) }}
+{{ $password := include "common.secrets.lookup" (dict "secret" "victoriametrics-vmauth-creds" "key" "password" "defaultValue" (default (randAlphaNum 32) .Values.vmauth.password) "context" $) }}
+apiVersion: v1
+kind: Secret
+metadata:
+  name: victoriametrics-vmauth-creds
+  labels:
+    heritage: drycc
+type: Opaque
+data:
+  username: {{ $username }}
+  password: {{ $password }}
+
+---
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: victoriametrics-vmauth-config
+  labels:
+    heritage: drycc
+data:
+  vmauth.yaml: |
+    users:
+    - username: {{ $username | b64dec }}
+      password: {{ $password | b64dec }}
+      url_map:
+      - src_paths:
+        - "/insert"
+        url_prefix: "http://drycc-victoriametrics-vminsert.{{.Release.Namespace}}.svc.{{.Values.global.clusterDomain}}:8480/"
+      url_prefix: "http://drycc-victoriametrics-vmselect.{{.Release.Namespace}}.svc.{{.Values.global.clusterDomain}}:8481/"
+      discover_backend_ips: true

charts/victoriametrics/templates/victoriametrics/vmauth/vmauth-configmap.yaml

@@ -54,8 +54,8 @@ vmagent:
 ## victoriametrics vmauth configuration
 ##
 vmauth:
-  username: admin
-  password: admin
+  username: ""
+  password: ""
   nodeAffinityPreset:
     key: "drycc.cc/node"
     type: "soft"