fix(chart): delay relay shutdown before termination

Co-authored-by: npub128x7j3pwgm4vs8yra3c42fcgcwcvh94g3luwzkqa376du2q6l0esqcrwch <51cde9442e46eac81c83ec71552708c3b0cb96a88ff8e1581d8fb4de281afbf3@buzz.block.builderlab.xyz>
Signed-off-by: npub128x7j3pwgm4vs8yra3c42fcgcwcvh94g3luwzkqa376du2q6l0esqcrwch <51cde9442e46eac81c83ec71552708c3b0cb96a88ff8e1581d8fb4de281afbf3@buzz.block.builderlab.xyz>

deploy/charts/buzz/Chart.yaml

@@ -7,7 +7,7 @@ description: |
   PostgreSQL and Redis. Configurable for single-node evaluation
   (subcharts on) and HA production (external services, existingSecret).
 type: application
-version: 0.1.7
+version: 0.1.8
 appVersion: "0.1.0"
 home: https://github.com/block/buzz
 sources:

deploy/charts/buzz/templates/deployment.yaml

@@ -101,6 +101,10 @@ spec:
           imagePullPolicy: {{ .Values.image.pullPolicy }}
           securityContext:
             {{- toYaml .Values.relay.containerSecurityContext | nindent 12 }}
+          {{- with .Values.relay.lifecycle }}
+          lifecycle:
+            {{- toYaml . | nindent 12 }}
+          {{- end }}
           {{- with .Values.relay.command }}
           command:
             {{- toYaml . | nindent 12 }}

deploy/charts/buzz/tests/render_test.yaml

@@ -30,6 +30,12 @@ tests:
           path: kind
           value: Service
         template: templates/service.yaml
+      - equal:
+          path: spec.template.spec.containers[0].lifecycle.preStop.exec.command
+          value:
+            - sleep
+            - "5"
+        template: templates/deployment.yaml
       - notContains:
           path: spec.template.spec.containers[0].env
           content:

deploy/charts/buzz/values.schema.json

@@ -73,6 +73,10 @@
           "items": { "type": "string" }
         },
         "ephemeralTtlOverride": { "type": "integer", "minimum": 0 },
+        "lifecycle": {
+          "type": "object",
+          "description": "Kubernetes lifecycle hooks for the relay container."
+        },
         "command": {
           "type": "array",
           "items": { "type": "string" },

deploy/charts/buzz/values.yaml

@@ -101,6 +101,10 @@ secrets:
 
 # ── Relay behavior ───────────────────────────────────────────────────────────
 relay:
+  lifecycle:
+    preStop:
+      exec:
+        command: ["sleep", "5"]
   bindAddr: "0.0.0.0:3000"
   maxConnections: 10000
   maxConcurrentHandlers: 1024