update helm config (#19)

helm/istiod/templates/configmap.yaml

@@ -2,7 +2,15 @@
     # The trust domain corresponds to the trust root of a system.
     # Refer to https://github.com/spiffe/spiffe/blob/master/standards/SPIFFE-ID.md#21-trust-domain
     trustDomain: "cluster.local"
+    accessLogEncoding: TEXT
+    accessLogFile: "/dev/stdout"
+    accessLogFormat: '{"authority":"%REQ(:AUTHORITY)%","bytes_received":"%BYTES_RECEIVED%","bytes_sent":"%BYTES_SENT%","downstream_local_address":"%DOWNSTREAM_LOCAL_ADDRESS%","downstream_remote_address":"%DOWNSTREAM_REMOTE_ADDRESS%","duration":"%DURATION%","istio_policy_status":"%DYNAMIC_METADATA(istio.mixer:status)%","method":"%REQ(:METHOD)%","path":"%REQ(X-ENVOY-ORIGINAL-PATH?:PATH)%","protocol":"%PROTOCOL%","request_id":"%REQ(X-REQUEST-ID)%","requested_server_name":"%REQUESTED_SERVER_NAME%","response_code":"%RESPONSE_CODE%","response_flags":"%RESPONSE_FLAGS%","route_name":"%ROUTE_NAME%","start_time":"%START_TIME%","trace_id":"%REQ(X-B3-TRACEID)%","upstream_cluster":"%UPSTREAM_CLUSTER%","upstream_host":"%UPSTREAM_HOST%","upstream_local_address":"%UPSTREAM_LOCAL_ADDRESS%","upstream_service_time":"%RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)%","upstream_transport_failure_reason":"%UPSTREAM_TRANSPORT_FAILURE_REASON%","user_agent":"%REQ(USER-AGENT)%","x_forwarded_for":"%REQ(X-FORWARDED-FOR)%"}
 
+    '
+    dnsRefreshRate: 200s
+    enableAutoMtls: false
+    enablePrometheusMerge: false
+    protocolDetectionTimeout: 100ms
     # The namespace to treat as the administrative root namespace for Istio configuration.
     # When processing a leaf namespace Istio will search for declarations in that namespace first
     # and if none are found it will search in the root namespace. Any matching declaration found in the root namespace