Add optional UpstreamAuthority (#79)

Co-authored-by: Marco Franssen <[email protected]>
Signed-off-by: Marco Franssen <[email protected]>

charts/spire/values.yaml

@@ -84,6 +84,11 @@ server:
 
   topologySpreadConstraints: []
 
+  caSecretStorage:
+    enabled: false
+    path: /conf/server/
+    secretName: "csi-driver-spiffe-ca"
+
   config:
     logLevel: info
     socketPath: /run/spire/server-sockets/spire-server.sock
@@ -94,6 +99,13 @@ server:
       organization: Example
       common_name: example.org
 
+    upstreamAuthority:
+      disk:
+        enabled: false
+        certFilePath: /conf/server/tls.crt
+        keyFilePath: /conf/server/tls.key
+        bundleFilePath: ""
+
 agent:
   image:
     # registry: gcr.io