Release v0.4.2

Same as release v0.4.0, changes are:

• Fixed manifests so that the git tag and image from manifests is the same.
• Changed so that manifests now install in default namespace instead of nats-io

Image:

docker run synadia/nats-streaming-operator:0.4.2

To install:

kubectl apply -f https://github.com/nats-io/nats-streaming-operator/releases/download/v0.4.2/default-rbac.yaml
kubectl apply -f https://github.com/nats-io/nats-streaming-operator/releases/download/v0.4.2/deployment.yaml

Release v0.4.0

Image:

docker run synadia/nats-streaming-operator:0.4.0

To install:

kubectl apply -f https://github.com/nats-io/nats-streaming-operator/releases/download/v0.4.0/default-rbac.yaml
kubectl apply -f https://github.com/nats-io/nats-streaming-operator/releases/download/v0.4.0/deployment.yaml

Added

• Added support to reconcile changes to container image (#74)
• Added support for memory store type (single node) (https://github.com/nats-io/nats-streaming-operator/pull/47/files)
• Added config to all examples to prevent issues on starting the cluster (#76)

Fixed

• Fixed binding for cluster operator role to service account (#65)

Changed

• Changed default STAN version to 0.18.0

Release v0.3.0

Image:

synadia/nats-streaming-operator:v0.3.0-v1alpha1

To install:

kubectl apply -f https://github.com/nats-io/nats-streaming-operator/releases/download/v0.3.0/default-rbac.yaml
kubectl apply -f https://github.com/nats-io/nats-streaming-operator/releases/download/v0.3.0/deployment.yaml

Added

• Added ftGroup option to switch to fault tolerance mode when using a shared filesystem.

---
apiVersion: "streaming.nats.io/v1alpha1"
kind: "NatsStreamingCluster"
metadata:
  name: "stan"
spec:
  natsSvc: "nats"
  size: 3

  image: "nats-streaming:latest"

  config:
    storeDir: "/pv/stan"
    ftGroup: "stan"

  # Define mounts in the Pod Spec
  template:
    spec:
      volumes:
      - name: stan-store-dir
        persistentVolumeClaim:
          claimName: efs
      containers:
        - name: nats-streaming
          volumeMounts:
          - mountPath: /pv
            name: stan-store-dir

Release v0.2.2

Image:

synadia/nats-streaming-operator:v0.2.2-v1alpha1

To install:

kubectl apply -f https://github.com/nats-io/nats-streaming-operator/releases/download/v0.2.2/default-rbac.yaml
kubectl apply -f https://github.com/nats-io/nats-streaming-operator/releases/download/v0.2.2/deployment.yaml

Added

• Added -m 8222 flag to the container to activate the monitoring endpoint.
  Now possible to attach prometheus-exporter to collect metrics as follows:

---
apiVersion: "streaming.nats.io/v1alpha1"
kind: "NatsStreamingCluster"
metadata:
  name: "example-stan"
spec:
  # Number of nodes in the cluster
  size: 3

  # NATS Streaming Server image to use, by default
  # the operator will use a stable version
  # 
  image: "nats-streaming:0.12.2"

  # Service to which NATS Streaming Cluster nodes will connect.
  # 
  natsSvc: "example-nats"

  config:
    debug: true
    trace: true
    raftLogging: true

  template:
    metadata:
      annotations:
        prometheus.io/scrape: "true"
        prometheus.io/port: "7777"
    spec:
      containers:

      # Need to list the first container for the server, the operator
      # will fill in the rest of the parameters.
      - name: "stan"

      # Define the sidecar container and the paths that should be polled.
      - name: "metrics"
        image: "synadia/prometheus-nats-exporter:0.2.0"
        args: ["-varz", "-channelz", "-serverz", "http://localhost:8222"]
        ports:
        - name: "metrics"
          containerPort: 7777
          protocol: TCP

Changed

• Update version of Go.12.1

Release v0.2.0

Added

• Add template field to be able to customize pod spec for a NATS Streaming pod.

  ---
  apiVersion: "streaming.nats.io/v1alpha1"
  kind: "NatsStreamingCluster"
  metadata:
    name: "example-stan-pv"
  spec:
    natsSvc: "example-nats"
  
    config:
      storeDir: "/pv/stan"
  
    # Define custom service account for pods
    template:
      spec:
        serviceAccountName: "admin"

• Add storeDir configuration fields, which can be used to point to persistent volume mount for example.

  ---
  apiVersion: "streaming.nats.io/v1alpha1"
  kind: "NatsStreamingCluster"
  metadata:
    name: "example-stan-pv"
  spec:
    natsSvc: "example-nats"
  
    config:
      storeDir: "/pv/stan"
  
    # Define mounts in the Pod Spec
    template:
      spec:
    volumes:
    - name: stan-store-dir
      persistentVolumeClaim:
        claimName: streaming-pvc
    containers:
      - name: nats-streaming
        volumeMounts:
        - mountPath: /pv
          name: stan-store-dir

• Added store and configFile configuration option which can be used to choose storage backend to be an SQL store and load DB credentials securely as part of a secret.

  ---
  apiVersion: "streaming.nats.io/v1alpha1"
  kind: "NatsStreamingCluster"
  metadata:
    name: "example-stan-db"
  spec:
    natsSvc: "example-nats"
  
    # Explicitly set that the managed NATS Streaming instance
    # will be using an SQL storage, to ensure that only a single
    # instance is available.
    store: SQL
  
    # In order to use DB store support, it is needed to include
    # the credentials as a secret on a mounted file.
    configFile: "/etc/stan/config/secret.conf"
  
    # Define Pod Spec
    template:
      spec:
    volumes:
    - name: stan-secret
      secret:
        secretName: stan-secret
    containers:
      - name: nats-streaming
        volumeMounts:
        - mountPath: /etc/stan/config
          name: stan-secret
          readOnly: true

• Added debug, trace, raftLogging flags to increase verbosity of the logs.'

  ---
  apiVersion: "streaming.nats.io/v1alpha1"
  kind: "NatsStreamingCluster"
  metadata:
    name: "example-stan"
  spec:
    # Number of nodes in the cluster
    size: 3
  
    # NATS Streaming Server image to use, by default
    # the operator will use a stable version
    # 
    # image: "nats-streaming:latest"
  
    # Service to which NATS Streaming Cluster nodes will connect.
    # 
    natsSvc: "example-nats"
  
    config:
      debug: true
      trace: true
      raftLogging: true

Changed

• Changed pod restart policy to be on failure, though can still be
  overriden via the template.

• Internals were rewritten to use typed clients instead of Operator SDK which currently still alpha.

Release v0.1.0

First alpha release of the NATS Streaming Operator

# Install latest version of NATS Operator on nats-io namespace
kubectl -n nats-io apply -f https://raw.githubusercontent.com/nats-io/nats-operator/master/example/deployment-rbac.yaml

# Installing the NATS Streaming Operator on nats-io namespace
kubectl -n nats-io apply -f https://raw.githubusercontent.com/nats-io/nats-streaming-operator/master/deploy/deployment-rbac.yaml