From 951f75cae1e2c57db59b73bf0038c59784b7970e Mon Sep 17 00:00:00 2001
From: mxmCherry <mxmCherry@gmail.com>
Date: Thu, 5 Feb 2026 19:18:07 +0200
Subject: [PATCH] feat: overridable mongodb strategy

---
 .../templates/mongodb-deployment.yaml         |  4 ++++
 .../tests/mongodb-deployment_test.yaml        | 19 +++++++++++++++++--
 charts/clickstack/values.yaml                 |  6 ++++++
 3 files changed, 27 insertions(+), 2 deletions(-)

diff --git a/charts/clickstack/templates/mongodb-deployment.yaml b/charts/clickstack/templates/mongodb-deployment.yaml
index 047921b..699cc61 100644
--- a/charts/clickstack/templates/mongodb-deployment.yaml
+++ b/charts/clickstack/templates/mongodb-deployment.yaml
@@ -34,6 +34,10 @@ spec:
     matchLabels:
       {{- include "clickstack.selectorLabels" . | nindent 6 }}
       app: mongodb
+  {{- if .Values.mongodb.strategy }}
+  strategy:
+    {{- toYaml .Values.mongodb.strategy | nindent 4 }}
+  {{- end }}
   template:
     metadata:
       labels:
diff --git a/charts/clickstack/tests/mongodb-deployment_test.yaml b/charts/clickstack/tests/mongodb-deployment_test.yaml
index 4bafe01..3e3122f 100644
--- a/charts/clickstack/tests/mongodb-deployment_test.yaml
+++ b/charts/clickstack/tests/mongodb-deployment_test.yaml
@@ -30,8 +30,8 @@ tests:
           of: Deployment
       - documentSelector: *service-selector
         isKind:
-          of: Service 
-  
+          of: Service
+
   - it: should not render any documents when disabled
     set:
       mongodb:
@@ -302,3 +302,18 @@ tests:
         equal:
           path: spec.template.spec.imagePullSecrets[0].name
           value: regcred
+
+  - it: should include strategy when configured
+    set:
+      mongodb:
+        enabled: true
+        strategy:
+          type: Recreate
+    asserts:
+      - documentIndex: 1
+        isNotNull:
+          path: spec.strategy
+      - documentIndex: 1
+        equal:
+          path: spec.strategy.type
+          value: Recreate
diff --git a/charts/clickstack/values.yaml b/charts/clickstack/values.yaml
index 1d62db7..877a5f2 100644
--- a/charts/clickstack/values.yaml
+++ b/charts/clickstack/values.yaml
@@ -257,6 +257,12 @@ mongodb:
   image: "mongo:5.0.32-focal"
   port: 27017
   enabled: true
+  # Optionally override rollout strategy with type=Recreate
+  # to avoid mongodb image update issues
+  # when newer instance cannot start
+  # because older one holds /data/db/mongod.lock
+  # at a cost of short mongodb downtime.
+  strategy: null
   # Add nodeSelector and tolerations for mongodb service
   nodeSelector:
     {}