From 6851765b7538953b6c20eadefac2b0576c0de11a Mon Sep 17 00:00:00 2001
From: Patrik Egyed <pregnor@cisco.com>
Date: Mon, 2 Aug 2021 10:07:39 +0200
Subject: [PATCH] feat(Cadence): added clusterMetadata configuration

---
 cadence/templates/server-configmap.yaml |  4 ++
 cadence/values.yaml                     | 59 +++++++++++++++++++++++++
 2 files changed, 63 insertions(+)

diff --git a/cadence/templates/server-configmap.yaml b/cadence/templates/server-configmap.yaml
index 1c882fcc..3774c9fc 100644
--- a/cadence/templates/server-configmap.yaml
+++ b/cadence/templates/server-configmap.yaml
@@ -152,6 +152,9 @@ data:
         {{- end}}
 
     clusterMetadata:
+    {{- if .Values.server.config.clusterMetadata }}
+      {{ .Values.server.config.clusterMetadata }}
+    {{- else }} {{/* Note: backward compatible default behavior for old chart version values.yaml. */}}
       enableGlobalDomain: {{ `{{ default .Env.ENABLE_GLOBAL_DOMAIN "true" }}` }}
       failoverVersionIncrement: 10
       masterClusterName: "primary"
@@ -173,6 +176,7 @@ data:
             rpcName: "cadence-frontend"
             rpcAddress: {{ `{{ default .Env.SECONDARY_FRONTEND_SERVICE "cadence-secondary" }}` }}:{{ .Values.server.frontend.service.port | default `{{ default .Env.FRONTEND_PORT 7933 }}` }}
       {{- end }}
+    {{- end }}
 
     dcRedirectionPolicy:
       policy: {{ `{{ default .Env.DC_REDIRECT_POLICY "selected-apis-forwarding" }}` }}
diff --git a/cadence/values.yaml b/cadence/values.yaml
index 2f7f4a7b..29f9d6d1 100644
--- a/cadence/values.yaml
+++ b/cadence/values.yaml
@@ -57,6 +57,65 @@ server:
   affinity: {}
 
   config:
+    # clusterMetadata contains the settings of the Cadence clusters
+    # participating in a Cadence cluster group.
+    clusterMetadata:
+      # enableGlobalDomains when set to true allows creating global domains
+      # which are replicated between all clusters and whose tasks are served by
+      # the active cluster in the replication.
+      #
+      # WARNING: This value **MUST NOT** be changed after launching the Cadence
+      # cluster group.
+      enableGlobalDomain: true
+
+      # failoverVersionIncrement is the increment of each cluster version when
+      # failover happens.
+      #
+      # WARNING: For each cluster, (initialFailoverVersion +
+      # i*failoverVersionIncrement) **MUST** result in a unique value.
+      failoverVersionIncrement: 10
+
+      # primaryClusterName is the name of the only cluster which can register
+      # and update a domain, although each cluster can do domain failover.
+      #
+      # WARNING: This value **MUST NOT** be changed after launching the Cadence
+      # cluster group.
+      primaryClusterName: "cluster-0"
+
+      # currentClusterName is the name of the current active cluster for the
+      # global domain.
+      currentClusterName: "cluster-0"
+      
+      # clusterInformation contains the information about each cluster which
+      # participates in a Cadence cluster group.
+      #
+      # WARNING: cluster names and initialFailoverVersion values **MUST** be
+      # unique.
+      #
+      # WARNING: For each cluster, (initialFailoverVersion +
+      # i*failoverVersionIncrement) **MUST** result in a unique value.
+      clusterInformation:
+        cluster-0:
+          # enabled defines whether the cluster is enabled.
+          enabled: true
+          # initialFailoverVersion is the failover version a cluster starts at
+          # when launched.
+          #
+          # WARNING: This value **MUST** be unique and (initialFailoverVersion
+          # + i*failoverVersionIncrement) **MUST** result in a unique value.
+          initialFailoverVersion: 0
+          # rpcName defines the name of the Cadence frontend remote service to
+          # use in a Cadence cluster.
+          rpcName: cadence-frontend
+          # rpcAddress defines the address (host:port, host can be a DNS name)
+          # of the Cadence frontend remote service to use in a Cadence cluster.
+          rpcAddress: cadence:7933
+        # cluster-1:
+        #   enabled: true
+        #   initialFailoverVersion: 1
+        #   rpcName: cadence-frontend
+        #   rpcAddress: cadence-secondary:7933
+
     logLevel: "debug,info"
 
     # IMPORTANT: This value cannot be changed, once it's set.