add extraContainers support

Author: obsidian33

README.md

@@ -358,6 +358,13 @@ main:
   # Pod termination grace period in seconds
   terminationGracePeriodSeconds: 30
 
+  # extraContainers is a list of sidecar containers. Specified as a YAML list.
+  extraContainers: []
+  # extraContainers:
+  #   - name: my-sidecar
+  #     image: busybox:latest
+  #     command: ["sh", "-c", "while true; do echo hello && sleep 60; done"]
+
 # # # # # # # # # # # # # # # #
 #
 # Worker related settings
@@ -546,6 +553,13 @@ worker:
   # Pod termination grace period in seconds
   terminationGracePeriodSeconds: 30
 
+  # extraContainers is a list of sidecar containers. Specified as a YAML list.
+  extraContainers: []
+  # extraContainers:
+  #   - name: my-sidecar
+  #     image: busybox:latest
+  #     command: ["sh", "-c", "while true; do echo hello && sleep 60; done"]
+
 # Webhook related settings
 # With .Values.scaling.webhook.enabled=true you disable Webhooks from the main process, but you enable the processing on a different Webhook instance.
 # See https://github.com/8gears/n8n-helm-chart/issues/39#issuecomment-1579991754 for the full explanation.
@@ -734,6 +748,13 @@ webhook:
   # Pod termination grace period in seconds
   terminationGracePeriodSeconds: 30
 
+  # extraContainers is a list of sidecar containers. Specified as a YAML list.
+  extraContainers: []
+  # extraContainers:
+  #   - name: my-sidecar
+  #     image: busybox:latest
+  #     command: ["sh", "-c", "while true; do echo hello && sleep 60; done"]
+
 #
 # User defined supplementary K8s manifests
 #

charts/n8n/Chart.yaml

@@ -1,6 +1,6 @@
 apiVersion: v2
 name: n8n
-version: 1.1.0
+version: 1.2.0
 appVersion: 1.116.2
 type: application
 description: "Helm Chart for deploying n8n on Kubernetes, a fair-code workflow automation platform with native AI capabilities for technical teams. Easily automate tasks across different services."
@@ -35,4 +35,4 @@ annotations:
   # supported kinds are added, changed, deprecated, removed, fixed and security.
   artifacthub.io/changes: |
     - kind: added
-      description: "Add terminationGracePeriodSeconds configuration for main, worker, and webhook pods"
+      description: "Add extraContainers support for main, workers, and webhooks"

charts/n8n/templates/deployment.webhook.yaml

@@ -119,6 +119,9 @@ spec:
           {{- if .Values.webhook.extraVolumeMounts }}
             {{- toYaml .Values.webhook.extraVolumeMounts | nindent 12 }}
           {{- end }}
+      {{- if .Values.webhook.extraContainers }}
+        {{ tpl (toYaml .Values.webhook.extraContainers) . | nindent 8 }}
+      {{- end }}
       {{- with .Values.hostAliases }}
       hostAliases:
         {{- toYaml . | nindent 8 }}

charts/n8n/templates/deployment.worker.yaml

@@ -115,6 +115,9 @@ spec:
           {{- if .Values.worker.extraVolumeMounts }}
             {{- toYaml .Values.worker.extraVolumeMounts | nindent 12 }}
           {{- end }}
+      {{- if .Values.worker.extraContainers }}
+        {{ tpl (toYaml .Values.worker.extraContainers) . | nindent 8 }}
+      {{- end }}
       {{- with .Values.hostAliases }}
       hostAliases:
         {{- toYaml . | nindent 8 }}

charts/n8n/templates/deployment.yaml

@@ -100,6 +100,9 @@ spec:
           {{- if .Values.main.extraVolumeMounts }}
             {{- toYaml .Values.main.extraVolumeMounts | nindent 12 }}
           {{- end }}
+      {{- if .Values.main.extraContainers }}
+        {{ tpl (toYaml .Values.main.extraContainers) . | nindent 8 }}
+      {{- end }}
       {{- with .Values.hostAliases }}
       hostAliases:
         {{- toYaml . | nindent 8 }}

charts/n8n/values.yaml

@@ -126,7 +126,6 @@ main:
   #      mountPath: /etc/ssl/certs/postgresql
   #      readOnly: true
 
-
   # Number of desired pods. More than one pod is supported in n8n enterprise.
   replicaCount: 1
 
@@ -233,7 +232,6 @@ main:
   #        - name: data
   #          mountPath: /home/node/.n8n
 
-
   service:
     enabled: true
     annotations: {}
@@ -269,6 +267,13 @@ main:
   # Pod termination grace period in seconds
   terminationGracePeriodSeconds: 30
 
+  # extraContainers is a list of sidecar containers. Specified as a YAML list.
+  extraContainers: []
+  # extraContainers:
+  #   - name: my-sidecar
+  #     image: busybox:latest
+  #     command: ["sh", "-c", "while true; do echo hello && sleep 60; done"]
+
 # # # # # # # # # # # # # # # #
 #
 # Worker related settings
@@ -457,6 +462,13 @@ worker:
   # Pod termination grace period in seconds
   terminationGracePeriodSeconds: 30
 
+  # extraContainers is a list of sidecar containers. Specified as a YAML list.
+  extraContainers: []
+  # extraContainers:
+  #   - name: my-sidecar
+  #     image: busybox:latest
+  #     command: ["sh", "-c", "while true; do echo hello && sleep 60; done"]
+
 # Webhook related settings
 # With .Values.scaling.webhook.enabled=true you disable Webhooks from the main process, but you enable the processing on a different Webhook instance.
 # See https://github.com/8gears/n8n-helm-chart/issues/39#issuecomment-1579991754 for the full explanation.
@@ -473,7 +485,6 @@ webhook:
   #   WEBHOOK_URL:
   #     value: "http://webhook.domain.tld"
 
-
   #
   # Webhook Kubernetes specific settings
   #
@@ -645,6 +656,13 @@ webhook:
   # Pod termination grace period in seconds
   terminationGracePeriodSeconds: 30
 
+  # extraContainers is a list of sidecar containers. Specified as a YAML list.
+  extraContainers: []
+  # extraContainers:
+  #   - name: my-sidecar
+  #     image: busybox:latest
+  #     command: ["sh", "-c", "while true; do echo hello && sleep 60; done"]
+
 #
 # User defined supplementary K8s manifests
 #