feat(charts): Add support for external influxdb and changing registration mode

Author: kmala

charts/workflow/values.yaml

@@ -31,6 +31,19 @@ global:
   # - off-cluster: Run Redis outside the Kubernetes cluster (configure in loggerRedis section)
   logger_redis_location: "on-cluster"
 
+  # Set the location of Workflow's influxdb cluster
+  #
+  # Valid values are:
+  # - on-cluster: Run Influxdb within the Kubernetes cluster
+  # - off-cluster: Influxdb is running outside of the cluster and credentials and connection information will be provided.
+  influxdb_location: "on-cluster"
+  # Set the location of Workflow's grafana instance
+  #
+  # Valid values are:
+  # - on-cluster: Run Grafana within the Kubernetes cluster
+  # - off-cluster: Grafana is running outside of the cluster
+  grafana_location: "on-cluster"
+
   # Set the location of Workflow's Registry
   #
   # Valid values are:
@@ -94,6 +107,11 @@ swift:
 # - IfNotPresent
 controller:
   app_pull_policy: "IfNotPresent"
+  # Possible values are:
+  # enabled - allows for open registration
+  # disabled - turns off open registration
+  # admin_only - allows for registration by an admin only.
+  registration_mode: "enabled"
 
 database:
   # Configure the following ONLY if using an off-cluster PostgreSQL database
@@ -116,6 +134,12 @@ monitor:
   grafana:
     user: "admin"
     password: "admin"
+  # Configure the following ONLY if using an off-cluster Influx database
+  influxdb:
+    url: "my.influx.url"
+    database: "kubernetes"
+    user: "user"
+    password: "password"
 
 registry-token-refresher:
   # Time in minutes after which the token should be refreshed.