kruise-rollout

Kruise Rollout addon provides canary release capabilities for Kubernetes Deployment, Statefulset and OpenKruise CloneSet. For more details, please refer to: Kruise Rollout.

Installation

$ vela addon enable kruise-rollout
Addon: kruise-rollout enabled Successfully.

Uninstallation

$ vela addon disable kruise-rollout

Usage

Kurise rollout addon help to canary rollout your workload no matter defined with webservice or contained in a helm.

If your workload is in a helm chart please refer to doc for more usage info, otherwise please refer to usage of webservice component.

Properties

Name	Description	Type	Required	Default
canary	Configuration for canary rollout strategy	Canary	true
workloadType	Specify the target worklaod type	WorkloadType	false

Canary

Name	Description	Type	Required	Default
steps	Defines the entire rollout process in steps	CanaryStep	true
trafficRoutings	Define traffic routing related service, ingress information	[]TrafficRouting	true

CanaryStep

Name	Description	Type	Required	Default
weight	Define the percentage of traffic routing to the new version in each step, e.g., 20%, 40%...	int	false
replicas	Define the replicas of release to the new version in each step, e.g., 5, 10...	int	false
duration	Define the behavior after release each step, if not filled, the default requires manual determination. If filled, it indicates the time to wait in seconds, e.g., 60	int	false

TrafficRouting

Name	Description	Type	Required	Default
service	Define service name	stirng	false	context.name
ingressName	Define ingress name	string	false	context.name

WorkloadType

Name	Description	Type	Required	Default
apiVersion	Target workload's apiVersion	string	true
kind	Target workload's kind	string	true

Example

cat <<EOF | vela up -f -
apiVersion: core.oam.dev/v1beta1
kind: Application
metadata:
  name: canary-demo
  annotations:
    app.oam.dev/publishVersion: v1
spec:
  components:
  - name: canary-demo
    type: webservice
    properties:
      image: barnett/canarydemo:v1
      ports:
      - port: 8090
    traits:
    - type: scaler
      properties:
        replicas: 5
    - type: gateway
      properties:
        domain: canary-demo.com
        http:
          "/version": 8090
    - type: kruise-rollout
      properties:
        canary:
          steps:
           # The first batch of Canary releases 20% Pods, and 20% traffic imported to the new version, require manual confirmation before subsequent releases are completed
          - weight: 20
          # The second batch of Canary releases 90% Pods, and 90% traffic imported to the new version.
          - weight: 90
          trafficRoutings:
            - type: nginx
EOF