feat: Add Helm Chart for NATS S3 #1079
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| apiVersion: v2 | ||
| version: 0.1.0 | ||
| appVersion: 1.4.2 | ||
| type: application | ||
| name: nats-s3 | ||
| description: S3-compatible object storage powered by NATS JetStream | ||
| maintainers: | ||
| - email: info@nats.io | ||
| name: Community Effort | ||
| url: https://github.com/wpnpeiris/nats-s3 | ||
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| # nats-kafka | ||
|
ashupednekar marked this conversation as resolved.
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| ## TL;DR; | ||
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| ``` | ||
| helm install -f my-values.yaml nats-s3 oci://ghcr.io/ashupednekar/charts/nats-s3 | ||
| ``` | ||
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| ## βοΈ Configuration Overview | ||
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| The following example configurations can be set with `-f`. | ||
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| **Basic** | ||
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| ```yaml | ||
| nameOverride: "" | ||
| fullnameOverride: "" | ||
| namespaceOverride: "" | ||
| replicaCount: 1 | ||
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| image: | ||
| repository: ghcr.io/wpnpeiris/nats-s3 | ||
| tag: latest | ||
| pullPolicy: IfNotPresent | ||
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| service: | ||
| type: NodePort | ||
| port: 5222 | ||
| targetPort: 5222 | ||
| nodePort: 30222 # Uncomment if using NodePort | ||
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| nats: | ||
| servers: "nats://nats:4222" | ||
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| auth: | ||
| # Enable authentication (disabled by default) | ||
| enabled: true | ||
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| # Use existing secret (takes precedence if set) | ||
| existingSecret: "" | ||
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| # Username/Password authentication | ||
| username: "natsadmin" | ||
| password: "natsadmin" | ||
| ``` | ||
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| > Note: these username password values are subject to change in the future | ||
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| The chart is designed to make NATS S3 easily configurable through `values.yaml`. | ||
| Key configurable sections include: | ||
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| #### **General** | ||
| - **`nameOverride` / `fullnameOverride` / `namespaceOverride`** β Customize resource names and namespaces. | ||
| - **`replicaCount`** β Number of NATS S3 pod replicas to deploy. | ||
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| #### **Image** | ||
| - **`image.repository`** β Container image to use (default: `ghcr.io/wpnpeiris/nats-s3`). | ||
| - **`image.tag`** β Image tag (default: `latest`). | ||
| - **`image.pullPolicy`** β Kubernetes pull policy (`IfNotPresent`, `Always`, etc.). | ||
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| #### **Service** | ||
| - **`service.type`** β Kubernetes service type (`ClusterIP`, `NodePort`, etc.). | ||
| - **`service.port` / `service.targetPort`** β Define the external and internal ports for NATS S3. | ||
| - **`service.nodePort`** β Optional NodePort override (used if type is `NodePort`). | ||
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| #### **NATS Connection** | ||
| - **`nats.servers`** β Comma-separated list of NATS server URLs, e.g. `nats://nats:4222`. | ||
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| #### **Authentication** | ||
| - **`auth.enabled`** β Enables username/password authentication. | ||
| - **`auth.username` / `auth.password`** β Basic credentials for S3 access (used if `auth.enabled` is true). | ||
| - **`auth.existingSecret`** β Optionally reference an existing Kubernetes Secret containing credentials. | ||
| When set, this overrides inline username/password values. | ||
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| --- | ||
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| ### π Example Usage | ||
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| ```bash | ||
| helm repo add nats https://nats-io.github.io/k8s/helm/charts/ | ||
| helm install my-nats-s3 nats/nats-s3 -f my-values.yaml | ||
| ``` | ||
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| Example `my-values.yaml`: | ||
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| ```yaml | ||
| nats: | ||
| servers: "nats://nats:4222" | ||
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| auth: | ||
| enabled: true | ||
| username: "natsadmin" | ||
| password: "natsadmin" | ||
| ``` | ||
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| --- | ||
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| ### Usage | ||
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| ### Note | ||
| > The optional dependency for s3 in the nats chart is currently an oci dependency pointing to my ghcr artifact, can be changed to file once/if merged | ||
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| Right now, we need to cd into the nats chart and build the dependencies to pull in the s3 chart | ||
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| ```bash | ||
| helm/charts/nats on ξ feat_s3 !? macbook | ||
| β― helm dependency update | ||
| Hang tight while we grab the latest from your chart repositories... | ||
| ...Successfully got an update from the "nats" chart repository | ||
| Update Complete. βHappy Helming!β | ||
| Error: could not retrieve list of tags for repository oci://ghcr.io/ashupe | ||
| dnekar/charts/nats-s3: GET "https://ghcr.io/v2/ashupednekar/charts/nats-s3 | ||
| /nats-s3/tags/list": response status code 404: name unknown: repository na | ||
| me not known to registry | ||
| helm/charts/nats on ξ feat_s3 !? macbook | ||
| β― helm dependency update | ||
| Hang tight while we grab the latest from your chart repositories... | ||
| ...Successfully got an update from the "nats" chart repository | ||
| Update Complete. βHappy Helming!β | ||
| Saving 1 charts | ||
| Downloading nats-s3 from repo oci://ghcr.io/ashupednekar/charts | ||
| Pulled: ghcr.io/ashupednekar/charts/nats-s3:0.1.0 | ||
| Digest: sha256:95b396a38241a050b20e589ecf87d6fb274bec0496d05fd9542e2af60a9 | ||
| 063b4 | ||
| Deleting outdated charts | ||
| ``` | ||
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| The chart can then be installed by enabling the `s3.enabled=true` value. | ||
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| ```bash | ||
| β― helm install nats . -f ~/Documents/nats.yaml --set s3.enabled=true | ||
| NAME: nats | ||
| LAST DEPLOYED: Tue Oct 28 11:03:37 2025 | ||
| NAMESPACE: default | ||
| STATUS: deployed | ||
| REVISION: 1 | ||
| helm/charts/nats on ξ feat_s3 !? macbook | ||
| β― k get po | ||
| NAME READY STATUS RESTARTS AGE | ||
| nats-0 1/1 Running 0 21s | ||
| nats-1 1/1 Running 0 21s | ||
| nats-2 1/1 Running 0 21s | ||
| nats-box-789cd4555d-9w2n2 1/1 Running 0 21s | ||
| nats-s3-84bb45c49b-x27gr 1/1 Running 2 (19s ago) 21s | ||
| pgo-85767cc986-d64p7 1/1 Running 1 (4d ago) 9d | ||
| helm/charts/nats on ξ feat_s3 !? macbook | ||
| β― | ||
| ``` | ||
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| {{/* | ||
| Expand the name of the chart. | ||
| */}} | ||
| {{- define "nats-s3.name" -}} | ||
| {{- default .Chart.Name .Values.nameOverride | trunc 63 | trimSuffix "-" }} | ||
| {{- end }} | ||
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| {{/* | ||
| Expand the namespace of the chart. | ||
| */}} | ||
| {{- define "nats-s3.namespace" -}} | ||
| {{- default .Release.Namespace .Values.namespaceOverride | trunc 63 | trimSuffix "-" }} | ||
| {{- end }} | ||
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| {{/* | ||
| Create a default fully qualified app name. | ||
| We truncate at 63 chars because some Kubernetes name fields are limited to this (by the DNS naming spec). | ||
| If release name contains chart name it will be used as a full name. | ||
| */}} | ||
| {{- define "nats-s3.fullname" -}} | ||
| {{- if .Values.fullnameOverride }} | ||
| {{- .Values.fullnameOverride | trunc 63 | trimSuffix "-" }} | ||
| {{- else }} | ||
| {{- $name := default .Chart.Name .Values.nameOverride }} | ||
| {{- if contains $name .Release.Name }} | ||
| {{- .Release.Name | trunc 63 | trimSuffix "-" }} | ||
| {{- else }} | ||
| {{- printf "%s-%s" .Release.Name $name | trunc 63 | trimSuffix "-" }} | ||
| {{- end }} | ||
| {{- end }} | ||
| {{- end }} | ||
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| {{/* | ||
| Create chart name and version as used by the chart label. | ||
| */}} | ||
| {{- define "nats-s3.chart" -}} | ||
| {{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" }} | ||
| {{- end }} | ||
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| {{/* | ||
| Common labels | ||
| */}} | ||
| {{- define "nats-s3.labels" -}} | ||
| helm.sh/chart: {{ include "nats-s3.chart" . }} | ||
| {{ include "nats-s3.selectorLabels" . }} | ||
| {{- if .Chart.AppVersion }} | ||
| app.kubernetes.io/version: {{ .Chart.AppVersion | quote }} | ||
| {{- end }} | ||
| app.kubernetes.io/managed-by: {{ .Release.Service }} | ||
| {{- end }} | ||
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| {{/* | ||
| Selector labels | ||
| */}} | ||
| {{- define "nats-s3.selectorLabels" -}} | ||
| app.kubernetes.io/name: {{ include "nats-s3.name" . }} | ||
| app.kubernetes.io/instance: {{ .Release.Name }} | ||
| {{- end }} | ||
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| {{/* | ||
| Create the name of the service account to use | ||
| */}} | ||
| {{- define "nats-s3.serviceAccountName" -}} | ||
| {{- if .Values.serviceAccount.create }} | ||
| {{- default (include "nats-s3.fullname" .) .Values.serviceAccount.name }} | ||
| {{- else }} | ||
| {{- default "default" .Values.serviceAccount.name }} | ||
| {{- end }} | ||
| {{- end }} | ||
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| {{/* | ||
| Fix image keys for chart versions <= 0.13.1 | ||
| */}} | ||
| {{- define "nats-s3.fixImage" -}} | ||
| {{- if .tagOverride }} | ||
| {{- $_ := set . "tag" .tagOverride }} | ||
| {{- $_ := unset . "tagOverride" }} | ||
| {{- end }} | ||
| {{- end }} | ||
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| {{/* | ||
| Print the image | ||
| */}} | ||
| {{- define "nats-s3.image" -}} | ||
| {{- $image := printf "%s:%s" .repository .tag }} | ||
| {{- if .registry }} | ||
| {{- $image = printf "%s/%s" .registry $image }} | ||
| {{- end }} | ||
| {{- $image -}} | ||
| {{- end }} |
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| apiVersion: apps/v1 | ||
| kind: Deployment | ||
| metadata: | ||
| name: nats-s3 | ||
| namespace: {{ .Values.namespaceOverride | default .Release.Namespace }} | ||
| labels: | ||
| app: nats-s3 | ||
| {{- include "nats-s3.labels" . | nindent 4 }} | ||
| spec: | ||
| replicas: {{ .Values.replicaCount }} | ||
| selector: | ||
| matchLabels: | ||
| app: nats-s3 | ||
| {{- include "nats-s3.selectorLabels" . | nindent 6 }} | ||
| strategy: {} | ||
| template: | ||
| metadata: | ||
| labels: | ||
| app: nats-s3 | ||
| {{- include "nats-s3.selectorLabels" . | nindent 8 }} | ||
| spec: | ||
| containers: | ||
| - name: nats-s3 | ||
| image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}" | ||
| imagePullPolicy: {{ .Values.image.pullPolicy }} | ||
| args: | ||
| - "--listen" | ||
| - "0.0.0.0:{{ .Values.service.targetPort }}" | ||
| - "--natsServers" | ||
| - "{{ .Values.nats.servers }}" | ||
| - "--s3.credentials" | ||
| - "/etc/nats-s3/credentials.json" | ||
| ports: | ||
| - containerPort: {{ .Values.service.targetPort }} | ||
| protocol: TCP | ||
| volumeMounts: | ||
| - name: credentials | ||
| mountPath: /etc/nats-s3 | ||
| readOnly: true | ||
| resources: {} | ||
| volumes: | ||
| - name: credentials | ||
| secret: | ||
| secretName: {{ .Values.auth.existingSecret | default "nats-s3-credentials" }} | ||
| status: {} |
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| {{- if not .Values.auth.existingSecret }} | ||
| apiVersion: v1 | ||
| kind: Secret | ||
| metadata: | ||
| name: nats-s3-credentials | ||
| namespace: {{ .Release.Namespace }} | ||
| labels: | ||
| app.kubernetes.io/name: {{ include "nats-s3.name" . }} | ||
| helm.sh/chart: {{ include "nats-s3.chart" . }} | ||
| app.kubernetes.io/instance: {{ .Release.Name }} | ||
| app.kubernetes.io/managed-by: {{ .Release.Service }} | ||
| type: Opaque | ||
| stringData: | ||
| credentials.json: | | ||
| { | ||
| "credentials": [ | ||
| {{- if .Values.auth.enabled }} | ||
| { | ||
| "accessKey": {{ .Values.auth.username | quote }}, | ||
| "secretKey": {{ .Values.auth.password | quote }} | ||
| } | ||
| {{- end }} | ||
| ] | ||
| } | ||
| {{- end }} |
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| apiVersion: v1 | ||
| kind: Service | ||
| metadata: | ||
| name: {{ include "nats-s3.fullname" . }} | ||
| namespace: {{ .Values.namespaceOverride | default .Release.Namespace }} | ||
| labels: | ||
| app: nats-s3 | ||
| {{- include "nats-s3.labels" . | nindent 4 }} | ||
| spec: | ||
| type: {{ .Values.service.type }} | ||
| ports: | ||
| - port: {{ .Values.service.port }} | ||
| targetPort: {{ .Values.service.targetPort }} | ||
| protocol: TCP | ||
| name: http | ||
| {{- if and (eq .Values.service.type "NodePort") .Values.service.nodePort }} | ||
| nodePort: {{ .Values.service.nodePort }} | ||
| {{- end }} | ||
| selector: | ||
| app: nats-s3 | ||
| {{- include "nats-s3.selectorLabels" . | nindent 4 }} |
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| nameOverride: "" | ||
| fullnameOverride: "" | ||
| namespaceOverride: "" | ||
| replicaCount: 1 | ||
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| image: | ||
| repository: ghcr.io/wpnpeiris/nats-s3 | ||
| tag: latest | ||
| pullPolicy: IfNotPresent | ||
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| service: | ||
| type: NodePort | ||
| port: 5222 | ||
| targetPort: 5222 | ||
| nodePort: 30222 # Uncomment if using NodePort | ||
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| nats: | ||
| servers: "nats://nats:4222" | ||
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| auth: | ||
| # Enable authentication (disabled by default) | ||
| enabled: true | ||
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| # Use existing secret (takes precedence if set) | ||
| existingSecret: "" | ||
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| # Username/Password authentication | ||
| username: "natsadmin" | ||
| password: "natsadmin" | ||
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@@ -688,3 +688,6 @@ natsBox: | |
| # {{ .Values.config.websocket.port }} | ||
| # | ||
| extraResources: [] | ||
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| s3: | ||
| enabled: false | ||
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this should be version of latest
nats-s3?, latest we have 0.3.3