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Use kustomize in Istio docs

This commit is contained in:
stefanprodan 2019-11-04 00:35:28 +02:00
parent d0fba2d111
commit b0297213c3
7 changed files with 62 additions and 144 deletions
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67
artifacts/ab-testing/deployment.yaml
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@ -1,67 +0,0 @@
apiVersion: apps/v1
kind: Deployment
metadata:
name: abtest
namespace: test
labels:
app: abtest
spec:
minReadySeconds: 5
revisionHistoryLimit: 5
progressDeadlineSeconds: 60
strategy:
rollingUpdate:
maxUnavailable: 0
type: RollingUpdate
selector:
matchLabels:
app: abtest
template:
metadata:
annotations:
prometheus.io/scrape: "true"
labels:
app: abtest
spec:
containers:
- name: podinfod
image: quay.io/stefanprodan/podinfo:1.7.0
imagePullPolicy: IfNotPresent
ports:
- containerPort: 9898
name: http
protocol: TCP
command:
- ./podinfo
- --port=9898
- --level=info
- --random-delay=false
- --random-error=false
env:
- name: PODINFO_UI_COLOR
value: blue
livenessProbe:
exec:
command:
- podcli
- check
- http
- localhost:9898/healthz
initialDelaySeconds: 5
timeoutSeconds: 5
readinessProbe:
exec:
command:
- podcli
- check
- http
- localhost:9898/readyz
initialDelaySeconds: 5
timeoutSeconds: 5
resources:
limits:
cpu: 2000m
memory: 512Mi
requests:
cpu: 100m
memory: 64Mi

19
artifacts/ab-testing/hpa.yaml
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@ -1,19 +0,0 @@
apiVersion: autoscaling/v2beta1
kind: HorizontalPodAutoscaler
metadata:
name: abtest
namespace: test
spec:
scaleTargetRef:
apiVersion: apps/v1
kind: Deployment
name: abtest
minReplicas: 2
maxReplicas: 4
metrics:
- type: Resource
resource:
name: cpu
# scale up if usage is above
# 99% of the requested CPU (100m)
targetAverageUtilization: 99

13
artifacts/ab-testing/canary.yaml → artifacts/canaries/abtest.yaml
View File

@ -1,14 +1,14 @@
apiVersion: flagger.app/v1alpha3
kind: Canary
metadata:
name: abtest
name: podinfo
namespace: test
spec:
# deployment reference
targetRef:
apiVersion: apps/v1
kind: Deployment
name: abtest
name: podinfo
# the maximum time in seconds for the canary deployment
# to make progress before it is rollback (default 600s)
progressDeadlineSeconds: 60
@ -16,7 +16,7 @@ spec:
autoscalerRef:
apiVersion: autoscaling/v2beta1
kind: HorizontalPodAutoscaler
name: abtest
name: podinfo
service:
# container port
port: 9898
@ -26,7 +26,12 @@ spec:
- mesh
# Istio virtual service host names (optional)
hosts:
- abtest.istio.weavedx.com
- app.example.com
# Istio traffic policy (optional)
trafficPolicy:
tls:
# use ISTIO_MUTUAL when mTLS is enabled
mode: DISABLE
canaryAnalysis:
# schedule interval (default 60s)
interval: 10s

2
artifacts/canaries/canary.yaml
View File

@ -37,7 +37,7 @@ spec:
- mesh
# Istio virtual service host names (optional)
hosts:
- app.istio.weavedx.com
- app.example.com
# Istio traffic policy (optional)
trafficPolicy:
tls:

4
docs/gitbook/tutorials/flagger-smi-istio.md
View File

@ -94,13 +94,13 @@ kubectl label namespace test istio-injection=enabled
Create a deployment and a horizontal pod autoscaler:
```bash
kubectl apply -k github.com/weaveworks//kustomize/podinfo
kubectl apply -k github.com/weaveworks/flagger//kustomize/podinfo
```
Deploy the load testing service to generate traffic during the canary analysis:
```bash
kubectl apply -k github.com/weaveworks//kustomize/tester
kubectl apply -k github.com/weaveworks/flagger//kustomize/tester
```
Create a canary custom resource (replace example.com with your own domain):

90
docs/gitbook/usage/ab-testing.md
View File

@ -13,23 +13,20 @@ This is particularly useful for frontend applications that require session affin
Create a test namespace with Istio sidecar injection enabled:
```bash
export REPO=https://raw.githubusercontent.com/weaveworks/flagger/master
kubectl apply -f ${REPO}/artifacts/namespaces/test.yaml
kubectl create ns test
kubectl label namespace test istio-injection=enabled
```
Create a deployment and a horizontal pod autoscaler:
```bash
kubectl apply -f ${REPO}/artifacts/ab-testing/deployment.yaml
kubectl apply -f ${REPO}/artifacts/ab-testing/hpa.yaml
kubectl apply -k github.com/weaveworks/flagger//kustomize/podinfo
```
Deploy the load testing service to generate traffic during the canary analysis:
```bash
kubectl -n test apply -f ${REPO}/artifacts/loadtester/deployment.yaml
kubectl -n test apply -f ${REPO}/artifacts/loadtester/service.yaml
kubectl apply -k github.com/weaveworks/flagger//kustomize/tester
```
Create a canary custom resource (replace example.com with your own domain):
@ -38,14 +35,14 @@ Create a canary custom resource (replace example.com with your own domain):
apiVersion: flagger.app/v1alpha3
kind: Canary
metadata:
name: abtest
name: podinfo
namespace: test
spec:
# deployment reference
targetRef:
apiVersion: apps/v1
kind: Deployment
name: abtest
name: podinfo
# the maximum time in seconds for the canary deployment
# to make progress before it is rollback (default 600s)
progressDeadlineSeconds: 60
@ -53,7 +50,7 @@ spec:
autoscalerRef:
apiVersion: autoscaling/v2beta1
kind: HorizontalPodAutoscaler
name: abtest
name: podinfo
service:
# container port
port: 9898
@ -63,6 +60,11 @@ spec:
# Istio virtual service host names (optional)
hosts:
- app.example.com
# Istio traffic policy (optional)
trafficPolicy:
tls:
# use ISTIO_MUTUAL when mTLS is enabled
mode: DISABLE
canaryAnalysis:
# schedule interval (default 60s)
interval: 1m
@ -110,19 +112,19 @@ After a couple of seconds Flagger will create the canary objects:
```bash
# applied
deployment.apps/abtest
horizontalpodautoscaler.autoscaling/abtest
canary.flagger.app/abtest
deployment.apps/podinfo
horizontalpodautoscaler.autoscaling/podinfo
canary.flagger.app/podinfo
# generated
deployment.apps/abtest-primary
horizontalpodautoscaler.autoscaling/abtest-primary
service/abtest
service/abtest-canary
service/abtest-primary
destinationrule.networking.istio.io/abtest-canary
destinationrule.networking.istio.io/abtest-primary
virtualservice.networking.istio.io/abtest
deployment.apps/podinfo-primary
horizontalpodautoscaler.autoscaling/podinfo-primary
service/podinfo
service/podinfo-canary
service/podinfo-primary
destinationrule.networking.istio.io/podinfo-canary
destinationrule.networking.istio.io/podinfo-primary
virtualservice.networking.istio.io/podinfo
```
### Automated canary promotion
@ -145,22 +147,22 @@ Status:
Events:
Type Reason Age From Message
---- ------ ---- ---- -------
Normal Synced 3m flagger New revision detected abtest.test
Normal Synced 3m flagger Scaling up abtest.test
Warning Synced 3m flagger Waiting for abtest.test rollout to finish: 0 of 1 updated replicas are available
Normal Synced 3m flagger Advance abtest.test canary iteration 1/10
Normal Synced 3m flagger Advance abtest.test canary iteration 2/10
Normal Synced 3m flagger Advance abtest.test canary iteration 3/10
Normal Synced 2m flagger Advance abtest.test canary iteration 4/10
Normal Synced 2m flagger Advance abtest.test canary iteration 5/10
Normal Synced 1m flagger Advance abtest.test canary iteration 6/10
Normal Synced 1m flagger Advance abtest.test canary iteration 7/10
Normal Synced 55s flagger Advance abtest.test canary iteration 8/10
Normal Synced 45s flagger Advance abtest.test canary iteration 9/10
Normal Synced 35s flagger Advance abtest.test canary iteration 10/10
Normal Synced 25s flagger Copying abtest.test template spec to abtest-primary.test
Normal Synced 3m flagger New revision detected podinfo.test
Normal Synced 3m flagger Scaling up podinfo.test
Warning Synced 3m flagger Waiting for podinfo.test rollout to finish: 0 of 1 updated replicas are available
Normal Synced 3m flagger Advance podinfo.test canary iteration 1/10
Normal Synced 3m flagger Advance podinfo.test canary iteration 2/10
Normal Synced 3m flagger Advance podinfo.test canary iteration 3/10
Normal Synced 2m flagger Advance podinfo.test canary iteration 4/10
Normal Synced 2m flagger Advance podinfo.test canary iteration 5/10
Normal Synced 1m flagger Advance podinfo.test canary iteration 6/10
Normal Synced 1m flagger Advance podinfo.test canary iteration 7/10
Normal Synced 55s flagger Advance podinfo.test canary iteration 8/10
Normal Synced 45s flagger Advance podinfo.test canary iteration 9/10
Normal Synced 35s flagger Advance podinfo.test canary iteration 10/10
Normal Synced 25s flagger Copying podinfo.test template spec to abtest-primary.test
Warning Synced 15s flagger Waiting for abtest-primary.test rollout to finish: 1 of 2 updated replicas are available
Normal Synced 5s flagger Promotion completed! Scaling down abtest.test
Normal Synced 5s flagger Promotion completed! Scaling down podinfo.test
```
**Note** that if you apply new changes to the deployment during the canary analysis, Flagger will restart the analysis.
@ -204,12 +206,12 @@ Status:
Events:
Type Reason Age From Message
---- ------ ---- ---- -------
Normal Synced 3m flagger Starting canary deployment for abtest.test
Normal Synced 3m flagger Advance abtest.test canary iteration 1/10
Normal Synced 3m flagger Advance abtest.test canary iteration 2/10
Normal Synced 3m flagger Advance abtest.test canary iteration 3/10
Normal Synced 3m flagger Halt abtest.test advancement success rate 69.17% < 99%
Normal Synced 2m flagger Halt abtest.test advancement success rate 61.39% < 99%
Warning Synced 2m flagger Rolling back abtest.test failed checks threshold reached 2
Warning Synced 1m flagger Canary failed! Scaling down abtest.test
Normal Synced 3m flagger Starting canary deployment for podinfo.test
Normal Synced 3m flagger Advance podinfo.test canary iteration 1/10
Normal Synced 3m flagger Advance podinfo.test canary iteration 2/10
Normal Synced 3m flagger Advance podinfo.test canary iteration 3/10
Normal Synced 3m flagger Halt podinfo.test advancement success rate 69.17% < 99%
Normal Synced 2m flagger Halt podinfo.test advancement success rate 61.39% < 99%
Warning Synced 2m flagger Rolling back podinfo.test failed checks threshold reached 2
Warning Synced 1m flagger Canary failed! Scaling down podinfo.test
```

11
docs/gitbook/usage/progressive-delivery.md
View File

@ -13,23 +13,20 @@ These objects expose the application inside the mesh and drive the canary analys
Create a test namespace with Istio sidecar injection enabled:
```bash
export REPO=https://raw.githubusercontent.com/weaveworks/flagger/master
kubectl apply -f ${REPO}/artifacts/namespaces/test.yaml
kubectl create ns test
kubectl label namespace test istio-injection=enabled
```
Create a deployment and a horizontal pod autoscaler:
```bash
kubectl apply -f ${REPO}/artifacts/canaries/deployment.yaml
kubectl apply -f ${REPO}/artifacts/canaries/hpa.yaml
kubectl apply -k github.com/weaveworks/flagger//kustomize/podinfo
```
Deploy the load testing service to generate traffic during the canary analysis:
```bash
kubectl -n test apply -f ${REPO}/artifacts/loadtester/deployment.yaml
kubectl -n test apply -f ${REPO}/artifacts/loadtester/service.yaml
kubectl apply -k github.com/weaveworks/flagger//kustomize/tester
```
Create a canary custom resource (replace example.com with your own domain):