initial commit to add MinIO config to loki storage

Signed-off-by: Kliu <kliu@vivsoft.io>

chart/templates/loki/values.yaml

@@ -3,6 +3,7 @@
 {{- end }}
 
 {{- define "bigbang.defaults.loki" -}}
+{{- $minioEnabled := (.Values.loki.minioObjectStorage.enabled) }}
 # hostname is deprecated and replaced with domain. But if hostname exists then use it.
 {{- $domainName := default .Values.domain .Values.hostname }}
 hostname: {{ $domainName }}
@@ -73,6 +74,19 @@ promtail:
   enabled: true
 {{- end }}
 
+{{- if $minioEnabled }}
+minio: 
+  enabled: true
+  tenant:
+    configSecret:
+      accessKey: {{ .Values.loki.minioObjectStorage.configSecret.accessKey }}
+      secretKey: {{ .Values.loki.minioObjectStorage.configSecret.secretKey }}
+    defaultUserCredentials:
+        username: {{ .Values.loki.minioObjectStorage.defaultUserCredentials.username }}
+        password: {{ .Values.loki.minioObjectStorage.defaultUserCredentials.password }}
+{{- end }}
+
+
 loki:
   extraMemberlistConfig:
     bind_addr:
@@ -82,6 +96,8 @@ loki:
     type: "filesystem"
     {{- else }}
     type: "s3"
+    # If MinIO enabled then enter MinIO ObjectConfig
+    # Else S3 below
     bucketNames:
       {{- toYaml .Values.loki.objectStorage.bucketNames | nindent 6 }}
     s3:

chart/values.yaml

@@ -716,6 +716,17 @@ loki:
   # -- Loki clusterName identifier for Promtail and Dashboards
   clusterName: ""
 
+  # -- Enable Big Bang MinIO dependency chart for Mimir
+  minioObjectStorage:
+    enabled: false
+    # -- MinIO root credentials
+    configSecret:
+      accessKey: "minio"
+      secretKey: "minio123" # default key, change this!
+    # Configures the Big Bang MinIO Tenant User Credentials
+    defaultUserCredentials:
+      username: "mimir-user"
+      password: "supersecret"
 
   objectStorage:
     # -- S3 compatible endpoint to use for connection information.