Revert "fix(temporal): deploy Cassandra + Elasticsearch, pin chart to v0.74.0 (older version with sub-chart support)"

This reverts commit cc5325d905.

k8s/applications/temporal/temporal-values.yaml

@@ -1,20 +1,39 @@
 # k8s/temporal/temporal-values.yaml
 # Temporal — workflow engine for story-crater backend async task orchestration.
-# Chart: temporal/temporal v1.6.0 from https://go.temporal.io/helm-charts
+# Chart: temporal/temporal from https://go.temporal.io/helm-charts
 #
 # Uses Cassandra for default store (workflow history/events)
 # Uses Elasticsearch for visibility store (namespace/workflow queries)
 # This is the chart's native, well-tested configuration.
 
-# ── Sub-charts ────
-# Cassandra and Elasticsearch deployed as dependencies
+# ── Datastores configuration ────
+# Disable auto-deployed PostgreSQL (we use external ddb for other services)
+postgresql:
+  enabled: false
+
+# Enable Elasticsearch for visibility store (deployed to worker node, 2Gi/4Gi memory)
+elasticsearch:
+  enabled: true
+  scheme: http
+  host: temporal-elasticsearch
+  port: 9200
+  version: v7
+  logLevel: error
+  auth:
+    enabled: false
+  indices:
+    visibility: temporal_visibility_v1
+
+# Cassandra enabled for template validation; server.config overrides with actual hosts
+# Schema job template requires cassandra config to exist at top level
 cassandra:
   enabled: true
   replicas: 3
   cluster:
     seedSize: 1
   port: 9042
-  # Spread replicas across nodes to avoid single-node bottleneck
+  # Was landing 2 of 3 replicas on talos-cp-1 -- spread across nodes so a
+  # single overloaded node can't stall gossip/join for the whole ring.
   affinity:
     podAntiAffinity:
       preferredDuringSchedulingIgnoredDuringExecution:
@@ -26,25 +45,6 @@ cassandra:
                 release: temporal
             topologyKey: kubernetes.io/hostname
 
-elasticsearch:
-  enabled: true
-  replicas: 1
-  auth:
-    enabled: false
-  env:
-    cluster.name: temporal
-    discovery.type: single-node
-  resources:
-    requests:
-      memory: "512Mi"
-      cpu: "250m"
-    limits:
-      memory: "1Gi"
-      cpu: "500m"
-
-postgresql:
-  enabled: false
-
 # ── Disable schema auto-setup (will initialize manually) ─────────
 jobs:
   autoSetup:
@@ -76,27 +76,19 @@ server:
       numHistoryShards: 512
       datastores:
         default:
-          # Cassandra for workflow history/events
+          # Cassandra for workflow history and events
+          driver: cassandra
           cassandra:
-            hosts: "temporal-cassandra-0.temporal-cassandra.temporal.svc.cluster.local,temporal-cassandra-1.temporal-cassandra.temporal.svc.cluster.local,temporal-cassandra-2.temporal-cassandra.temporal.svc.cluster.local"
+            hosts: "temporal-cassandra"
             port: 9042
             keyspace: temporal
-            user: cassandra
-            password: ""
+            user: user
+            password: ""  # Cassandra auth disabled in deployment
             replicationFactor: 3
             consistency:
               default:
-                consistency: LOCAL_QUORUM
-                serialConsistency: LOCAL_SERIAL
-            maxConnsPerHost: 32
-        visibility:
-          # Elasticsearch for visibility store (workflow queries)
-          elasticsearch:
-            url: "http://elasticsearch.temporal.svc.cluster.local:9200"
-            scheme: http
-            logLevel: info
-            bulkProcessor:
-              bulkActions: 1000
+                consistency: local_quorum
+                serialConsistency: local_serial
   service:
     type: ClusterIP
 

k8s/argocd/apps/60-applications.yaml

@@ -14,7 +14,7 @@ spec:
   sources:
     - repoURL: https://go.temporal.io/helm-charts
       chart: temporal
-      targetRevision: "0.74.0"
+      targetRevision: "*"
       helm:
         valueFiles:
           - $values/k8s/applications/temporal/temporal-values.yaml