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Feat: istio addon and use case demo (#2276)
fix all error and finish readme small change fix CI check add canary trait back
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wyike
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64
docs/examples/canary-rollout-use-case/README.md
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64
docs/examples/canary-rollout-use-case/README.md
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# Canary rollout use case
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This chapter will introduce how to define a canary rollout workflow to implement [bookinfo demo](https://istio.io/latest/docs/examples/bookinfo/?ie=utf-8&hl=en&docs-search=Canary) by leverage [istio](https://istio.io/latest/)
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## Prerequisite
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enable istio addon in you cluster
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```shell
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vela addon enable istio
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```
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enable label istio injection in `default namespace`
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```shell
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kubectl label namespace default istio-injection=enabled
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```
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## First deployment
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```shell
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kubectl apply -f first-deploy.yaml
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```
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Wait a few minutes all pods have been ready. Use kubectl port-forward map gateway's service port to localhost.
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```shell
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kubectl port-forward service/istio-ingressgateway -n istio-system 19082:80
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```
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Request `127.0.0.1:19082` in your browser will see webpage like this.
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## Canary Rollout
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Update application to define a canary rollout workflow. This workflow will suspend after only upgrade one batch pods of `reviews` component and shift 10% traffic to new revision. It's give user some time to manual-check.
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```shell
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kubectl apply -f rollout-v2.yaml
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```
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Wait a few minutes new revision pods ready. Request `127.0.0.1:19082` in your browser again several times. Will see almost 90% chance see previous the webpage and 10% chance see the new webpage whose reviews will display red starts like this.
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### Rollout rest batches and traffic
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resume workflow to continue rollout rest replicas and shift all traffic to new revision.
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```shell
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vela workflow reumse book-info
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```
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By request again. You will always see the new webpage
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### Cancel rollout workflow and revert.
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If you find some problems after manual-check and want to revert to previous revision. You can cancel the rollout workflow and revert.
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```shell
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kubectl apply -f revert-in-middle.yaml
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```
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By request again. You will always see the old webpage
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83
docs/examples/canary-rollout-use-case/first-deploy.yaml
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83
docs/examples/canary-rollout-use-case/first-deploy.yaml
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apiVersion: core.oam.dev/v1beta1
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kind: Application
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metadata:
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name: book-info
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namespace: default
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spec:
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components:
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- name: reviews
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type: webservice
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properties:
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image: docker.io/istio/examples-bookinfo-reviews-v2:1.16.2
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port: 9080
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volumes:
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- name: wlp-output
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type: emptyDir
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mountPath: /opt/ibm/wlp/output
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- name: tmp
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type: emptyDir
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mountPath: /tmp
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traits:
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- type: expose
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properties:
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port:
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- 9080
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- type: rollout
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properties:
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targetSize: 2
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# This means to rollout two more replicas in two batches.
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rolloutBatches:
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- replicas: 2
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- name: productpage
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type: webservice
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properties:
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image: docker.io/istio/examples-bookinfo-productpage-v1:1.16.2
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port: 9080
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traits:
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- type: expose
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properties:
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port:
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- 9080
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- type: istio-gateway
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properties:
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hosts:
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- "*"
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gateway: ingressgateway
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match:
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- exact: /productpage
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- prefix: /static
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- exact: /login
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- prefix: /api/v1/products
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port: 9080
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- name: ratings
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type: webservice
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properties:
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image: docker.io/istio/examples-bookinfo-ratings-v1:1.16.2
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port: 9080
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traits:
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- type: expose
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properties:
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port:
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- 9080
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- name: details
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type: webservice
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properties:
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image: docker.io/istio/examples-bookinfo-details-v1:1.16.2
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port: 9080
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traits:
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- type: expose
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properties:
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port:
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- 9080
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85
docs/examples/canary-rollout-use-case/revert-in-middle.yaml
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85
docs/examples/canary-rollout-use-case/revert-in-middle.yaml
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apiVersion: core.oam.dev/v1beta1
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kind: Application
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metadata:
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name: book-info
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namespace: default
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spec:
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components:
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- name: reviews
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type: webservice
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properties:
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image: docker.io/istio/examples-bookinfo-reviews-v3:1.16.2
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port: 9080
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volumes:
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- name: wlp-output
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type: emptyDir
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mountPath: /opt/ibm/wlp/output
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- name: tmp
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type: emptyDir
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mountPath: /tmp
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traits:
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- type: expose
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properties:
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port:
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- 9080
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- type: rollout
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properties:
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targetRevision: reviews-v1
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batchPartition: 1
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targetSize: 2
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# This means to rollout two more replicas in two batches.
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rolloutBatches:
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- replicas: 2
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- name: productpage
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type: webservice
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properties:
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image: docker.io/istio/examples-bookinfo-productpage-v1:1.16.2
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port: 9080
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traits:
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- type: expose
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properties:
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port:
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- 9080
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- type: istio-gateway
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properties:
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hosts:
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- "*"
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gateway: ingressgateway
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match:
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- exact: /productpage
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- prefix: /static
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- exact: /login
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- prefix: /api/v1/products
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port: 9080
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- name: ratings
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type: webservice
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properties:
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image: docker.io/istio/examples-bookinfo-ratings-v1:1.16.2
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port: 9080
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traits:
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- type: expose
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properties:
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port:
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- 9080
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- name: details
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type: webservice
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properties:
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image: docker.io/istio/examples-bookinfo-details-v1:1.16.2
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port: 9080
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traits:
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- type: expose
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properties:
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port:
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- 9080
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116
docs/examples/canary-rollout-use-case/rollout-v2.yaml
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116
docs/examples/canary-rollout-use-case/rollout-v2.yaml
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apiVersion: core.oam.dev/v1beta1
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kind: Application
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metadata:
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name: book-info
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namespace: default
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spec:
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components:
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- name: reviews
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type: webservice
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properties:
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image: docker.io/istio/examples-bookinfo-reviews-v3:1.16.2
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port: 9080
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volumes:
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- name: wlp-output
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type: emptyDir
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mountPath: /opt/ibm/wlp/output
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- name: tmp
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type: emptyDir
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mountPath: /tmp
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traits:
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- type: expose
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properties:
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port:
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- 9080
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- type: rollout
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properties:
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targetSize: 2
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# This means to rollout two more replicas in two batches.
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rolloutBatches:
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- replicas: 1
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- replicas: 1
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- type: canary-traffic
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properties:
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port: 9080
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- name: productpage
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type: webservice
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properties:
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image: docker.io/istio/examples-bookinfo-productpage-v1:1.16.2
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port: 9080
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traits:
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- type: expose
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properties:
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port:
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- 9080
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- type: istio-gateway
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properties:
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hosts:
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- "*"
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gateway: ingressgateway
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match:
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- exact: /productpage
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- prefix: /static
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- exact: /login
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- prefix: /api/v1/products
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port: 9080
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- name: ratings
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type: webservice
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properties:
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image: docker.io/istio/examples-bookinfo-ratings-v1:1.16.2
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port: 9080
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traits:
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- type: expose
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properties:
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port:
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- 9080
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- name: details
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type: webservice
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properties:
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image: docker.io/istio/examples-bookinfo-details-v1:1.16.2
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port: 9080
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traits:
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- type: expose
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properties:
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port:
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- 9080
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workflow:
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steps:
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- name: rollout-1st-batch
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type: canary-rollout
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properties:
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# just upgrade first batch of component
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batchPartition: 0
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traffic:
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weightedTargets:
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- revision: reviews-v1
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weight: 90 # 90% shift to new version
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- revision: reviews-v2
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weight: 10 # 10% shift to new version
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# give user time to verify part of traffic shifting to newRevision
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- name: manual-approval
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type: suspend
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- name: rollout-rest
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type: canary-rollout
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properties:
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# upgrade all batches of component
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batchPartition: 1
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traffic:
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weightedTargets:
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- revision: reviews-v2
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weight: 100 # 100% shift to new version
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