git tag 1.0.0
git push --tagshttps://knative.dev/docs/serving/
### Depoyu çekelim
git clone https://github.com/dincerkurnaz/knative-demo.git
docker build -t dincerkurnaz/echo:v1 .
docker push dincerkurnaz/echo:v1
### kubernetes kontrol edelim.
kubectl get nodes
NAME STATUS ROLES AGE VERSION
lke16824-20536-5ffee265d590 Ready <none> 105s v1.18.8
### istio yu kuralım ve default namespace de aktif edelim.
curl -L https://istio.io/downloadIstio | sh -
cd istio-1.8.1
export PATH=$PWD/bin:$PATH
istioctl install --set profile=demo -y
kubectl label namespace default istio-injection=enabled
### istio kurulumunu kontrol edelim
kubectl get ns
NAME STATUS AGE
default Active 4m18s
istio-system Active 48s
kube-node-lease Active 4m20s
kube-public Active 4m20s
kube-system Active 4m20s
### Knative kuralım
kubectl apply --filename https://github.com/knative/serving/releases/download/v0.18.0/serving-crds.yaml
kubectl apply --filename https://github.com/knative/serving/releases/download/v0.18.0/serving-core.yaml
kubectl apply --filename https://github.com/knative/net-istio/releases/download/v0.19.0/release.yaml
kubectl apply --filename https://github.com/knative/serving/releases/download/v0.19.0/serving-default-domain.yaml
kubectl apply --filename https://github.com/knative/serving/releases/download/v0.19.0/serving-hpa.yaml
### Knative kontrol edelim
kubectl get pods -n knative-serving
NAME READY STATUS RESTARTS AGE
activator-7dc7bc9d8-gltpj 1/1 Running 0 54s
autoscaler-598bc966b4-rjkct 1/1 Running 0 53s
autoscaler-hpa-5cdd7c6b69-djkgt 1/1 Running 0 32s
controller-7859944464-t9dfx 1/1 Running 0 53s
default-domain-9sxrm 0/1 Completed 0 38s
istio-webhook-75cc84fbd4-b4rn5 1/1 Running 0 45s
networking-istio-6dcbd4b5f4-2k8kl 1/1 Running 0 45s
webhook-dfc6974b-cstbs 1/1 Running 0 53s
### https://github.com/knative/client
kn version
Version: v20210111-c795f213
Build Date: 2021-01-11 10:43:07
Git Revision: c795f213
Supported APIs:
* Serving
- serving.knative.dev/v1 (knative-serving v0.19.0)
* Eventing
- sources.knative.dev/v1alpha2 (knative-eventing v0.19.0)
- eventing.knative.dev/v1beta1 (knative-eventing v0.19.0)
### Imperative Yöntem
### İlk serverless uygulamamızı deploy edelim
kn service create hello --image dincerkurnaz/echo:v1 # --namespace hello
Creating service 'hello' in namespace 'default':
0.022s The Configuration is still working to reflect the latest desired specification.
0.116s The Route is still working to reflect the latest desired specification.
0.170s Configuration "hello" is waiting for a Revision to become ready.
27.339s ...
27.340s Ingress has not yet been reconciled.
27.393s Waiting for load balancer to be ready
27.575s Ready to serve.
Service 'hello' created to latest revision 'hello-grkcq-1' is available at URL:
http://hello.default.185.3.93.24.xip.io
kn service update hello --concurrency-limit=1
kn service update hello --revision-name hello-v1 --concurrency-limit=0
kn service update hello --revision-name hello-v2 --env TARGET="dincer"
kn revision list
NAME SERVICE TRAFFIC TAGS GENERATION AGE CONDITIONS READY REASON
hello-v2 hello 100% 3 24s 4 OK / 4 True
hello-v1 hello 2 86s 3 OK / 4 True
hello-mphzp-1 hello 1 2m35s 3 OK / 4 True
kn service update hello --traffic hello-v1=50,hello-v2=50
kn revision list
NAME SERVICE TRAFFIC TAGS GENERATION AGE CONDITIONS READY REASON
hello-v2 hello 50% 3 2m16s 4 OK / 4 True
hello-v1 hello 50% 2 3m18s 4 OK / 4 True
kn service update hello --revision-name hello-v3 --tag hello-v3=test --env TARGET="dincer test"
curl http://test-hello.default.185.3.93.24.xip.io/
Hello dincer test!
kn service describe hello
kn route describe hello
### Stress testi yapalım
hey -z 30s -c 50 "http://hello.default.185.3.93.24.xip.io/"
kubectl get pods -w
### İstek yokken Pod ları kontrol edelim Pod zero yu gözlemleyelim.
kubectl get pods
No resources found in default namespace.
### Kubernetes CRD sayesinde
kubectl get ksvc
NAME URL LATESTCREATED LATESTREADY READY REASON
hello http://hello.default.185.3.93.24.xip.io hello-v3 hello-v3 True
### Kubernetes Yaml Objesi olarak
kubectl get ksvc hello -oyaml
### İşimiz bitti serverless uygulamamızı silelim.
kn service delete hello
### microservice image processing
kn service create image --image h2non/imaginary --arg="-enable-url-source" --concurrency-limit=10 # "--scale-min=1" Eger Zero olmasın cold-start biraz hızlı olsun isteniyorsa ekleyebiliriz. Disable Scale-to-Zero
http://image.default.185.3.93.24.xip.io/form
http://image.default.185.3.93.24.xip.io/crop?width=500&height=400&url=https://raw.githubusercontent.com/h2non/imaginary/master/testdata/large.jpg&type=webp&quality=90
### Declarartive yöntem
kubectl apply -f image.yaml
kn service update image --scale-min=1
###APP
kubectl apply -f mongo.yaml -f node.yaml
kn service list
NAME URL LATEST AGE CONDITIONS READY REASON
image http://image.default.185.3.92.208.xip.io image-797ss 45h 3 OK / 3 True
todo-app http://todo-app.default.185.3.92.208.xip.io todo-app-b98l5 7m45s 3 OK / 3 True