Update CLICKHOUSE_PORT value in _helpers.tpl and add clickhouse.service.ports.http in values.yaml

HelmChart/Docs/Clickhouse.md

@@ -0,0 +1,16 @@
+### Clickhouse Ops
+
+To access clickhouse use port forwarding in kubernetes
+
+```
+kubectl port-forward --address 0.0.0.0 service/oneuptime-oneuptime 8123:8123
+```
+
+then you should be able to access from the localhost and port 8123
+
+```
+# Username for Postgres user is `clickhouse`
+kubectl get secret/oneuptime-clickhouse -o go-template='{{(index .data "admin-password") | base64decode}}'
+```
+
+Important: Please ignore % in the end of the password output. 

HelmChart/Public/oneuptime/templates/_helpers.tpl

@@ -109,7 +109,7 @@
 - name: CLICKHOUSE_HOST
   value: {{ $.Release.Name }}-clickhouse.{{ $.Release.Namespace }}.svc.{{ $.Values.global.clusterDomain }}
 - name: CLICKHOUSE_PORT
-  value: {{ printf "8123" | squote}}
+  value: {{ printf "%s" $.Values.clickhouse.service.ports.http | squote }}
 - name: CLICKHOUSE_DATABASE
   value: {{ printf "oneuptime" | squote}}
 

HelmChart/Public/oneuptime/values.yaml

@@ -51,6 +51,9 @@ postgresql:
 
 clickhouse: 
   clusterDomain: *global-cluster-domain
+  service:
+    ports: 
+      http: "8123"
   shards: 1
   replicaCount: 1
   terminationGracePeriodSeconds: 0 # We do this because we do not want to wait for the pod to terminate in case of node failure. https://medium.com/tailwinds-navigator/kubernetes-tip-how-statefulsets-behave-differently-than-deployments-when-node-fails-d29e36bca7d5