Sengoliloeng sena se phethela letoto la lintlha tse fetoletsoeng ka OpenWhisk ho tsoa ho sengoli . Kajeno re tla sheba mokhoa oa ho tsamaisa OpenWhisk holim'a Kubernetes ka litaelo tse lokisitsoeng ho sebetsa le mefuta ea morao-rao ea likopo. E tla boela e koahele mokhoa oa ho tsamaisa mesebetsi ea OpenWhisk o sebelisa Knative le TektonCD ho Kubernetes o sebelisa nako ea ho sebetsa ea Nodejs.
Ho kenya OpenWhisk ho Kubernetes
Kamora matsatsi a 'maloa, ke ile ka leka ho tsamaisa OpenWhisk ho Kubernetes ho theha sebaka sa tlhahlobo se bonolo le se potlakileng. 'Me kaha ke le mocha ho Kubernetes, ke lumela hore letsatsi le halofo li ile tsa sebelisoa mosebetsing o atlehileng. IN Libaka tsa polokelo li na le litaelo tse hlakileng haholo tsa ho tsamaisa OpenWhisk ho Kubernetes. Mona ke litaelo tsa ho tsamaisa tse etselitsoeng Mac (Hape ke tla etsa tsohle ho Linux hobane ke khetha Linux. - hoo e ka bang. mofetoleli).
- Ho kenya mookameli oa sephutheloana
asdf, ka mor'a moo re lokisa ka bohona~/.bash_profilekapa e tšoana le ena:
$ brew install asdf
$ [ -s "/usr/local/opt/asdf/asdf.sh" ] && . /usr/local/opt/asdf/asdf.sh
$ source ~/.bash_profile- Ho eketsa li-plugins
minikubeиkubelet:
$ asdf plugin-add kubectl
$ asdf plugin-add minikube- Kenya minikube le kubelet:
$ asdf install kubectl 1.9.0
$ asdf global kubectl 1.9.0
$ asdf install minikube 0.25.2
$ asdf global minikube 0.25.2Ho Linux, mohato ona o etsoa ka mokhoa o tjena (ntho e 'ngoe le e' ngoe e kenngoa ~/bin, e thathamisitsoeng ho PATH ea ka, molaetsa oa mofetoleli):
$ curl -L0 minikube https://storage.googleapis.com/minikube/releases/latest/minikube-linux-amd64 && chmod +x minikube && mv minikube ~/bin/
$ curl -L0 https://storage.googleapis.com/kubernetes-release/release/$(curl -s https://storage.googleapis.com/kubernetes-release/release/stable.txt)/bin/linux/amd64/kubectl && chmod +x kubectl && mv kubectl ~/bin/- Theha mochini o sebetsang oa minikube (VirtualBox e tlameha ho kengoa pele):
$ minikube start --cpus 2 --memory 4096 --kubernetes-version=v1.9.0 --extra-config=apiserver.Authorization.Mode=RBACminikube start , ntle le liparamente le ka boleng ba kamehla. - hoo e ka bang. mofetoleli]
$ minikube start
minikube v1.5.2 on Debian 8.11
Automatically selected the 'virtualbox' driver
Downloading VM boot image ...
> minikube-v1.5.1.iso.sha256: 65 B / 65 B [--------------] 100.00% ? p/s 0s
> minikube-v1.5.1.iso: 143.76 MiB / 143.76 MiB [-] 100.00% 5.63 MiB p/s 26s
Creating virtualbox VM (CPUs=2, Memory=4096MB, Disk=20000MB) ...
Preparing Kubernetes v1.16.2 on Docker '18.09.9' ...
Downloading kubelet v1.16.2
Downloading kubeadm v1.16.2
Pulling images ...
Launching Kubernetes ... Waiting for: apiserver
Done! kubectl is now configured to use "minikube"- Fetolela marang-rang ho Docker ho mokhoa o hlephileng:
$ minikube ssh -- sudo ip link set docker0 promisc on- Theha sebaka sa mabitso 'me u tšoaee node ea basebetsi:
$ kubectl create namespace openwhisk
$ kubectl label nodes --all openwhisk-role=invoker- Re fumana likahare tsa polokelo ebe re hlakola mofuta oa ingress faeleng ea mycluster.yaml:
$ git clone https://github.com/apache/incubator-openwhisk-deploy-kube.git
$ cd incubator-openwhisk-deploy-kube/
$ cat << "EOF" > mycluster.yaml
whisk:
ingress:
type: NodePort
api_host_name: 192.168.99.100
api_host_port: 31001
nginx:
httpsNodePort: 31001
EOF- Kenya Helm 'me u e sebelise u e sebelisa:
$ brew install kubernetes-helm
$ helm init # init Helm Tiller, не нужно на Helm v3+
$ kubectl get pods -n kube-system # verify that tiller-deploy is in the running state, не нужно на helm v3+
$ kubectl create clusterrolebinding tiller-cluster-admin --clusterrole=cluster-admin --serviceaccount=kube-system:default
$ helm install ./openwhisk/helm/ --namespace=openwhisk -f mycluster.yaml$ curl -L0 https://get.helm.sh/helm-v3.0.1-linux-amd64.tar.gz | tar -xzvf - linux-amd64/helm --strip-components=1; sudo mv helm /usr/local/bin
$ kubectl create clusterrolebinding tiller-cluster-admin --clusterrole=cluster-admin --serviceaccount=kube-system:default
$ helm install ./openwhisk/helm/ --namespace=openwhisk --generate-name -f mycluster.yaml- Re hlahloba hore ntho e 'ngoe le e' ngoe e tsohile ( STATUS = E matha kapa e phethiloe):
$ kubectl get pods -n openwhisk
NAME READY STATUS RESTARTS AGE
openwhisk-1576070780-alarmprovider-6868dc694-plvpf 1/1 Running 1 1d5h
openwhisk-1576070780-apigateway-8d56f4979-825hf 1/1 Running 1 1d5h
openwhisk-1576070780-cloudantprovider-544bb46596-9scph 1/1 Running 1 1d5h
openwhisk-1576070780-controller-0 1/1 Running 2 1d5h
openwhisk-1576070780-couchdb-7fd7f6c7cc-42tw6 1/1 Running 1 1d5h
openwhisk-1576070780-gen-certs-z9nsb 0/1 Completed 0 1d5h
openwhisk-1576070780-init-couchdb-r2vmt 0/1 Completed 0 1d5h
openwhisk-1576070780-install-packages-27dtr 0/1 Completed 0 1d4h
openwhisk-1576070780-invoker-0 1/1 Running 1 1d5h
openwhisk-1576070780-kafka-0 1/1 Running 1 1d5h
openwhisk-1576070780-kafkaprovider-f8b4cf4fc-7z4gt 1/1 Running 1 1d5h
openwhisk-1576070780-nginx-6dbdbf69bc-5x76n 1/1 Running 1 1d5h
openwhisk-1576070780-redis-cfd8756f4-hkrt6 1/1 Running 1 1d5h
openwhisk-1576070780-wskadmin 1/1 Running 1 1d5h
openwhisk-1576070780-zookeeper-0 1/1 Running 1 1d5h
wskopenwhisk-1576070780-invoker-00-1-prewarm-nodejs10 1/1 Running 0 61s
wskopenwhisk-1576070780-invoker-00-2-prewarm-nodejs10 1/1 Running 0 61s
wskopenwhisk-1576070780-invoker-00-3-whisksystem-invokerhealtht 1/1 Running 0 59s- Ho lokisa wsk hore e sebetse:
$ wsk property set --apihost 192.168.99.100:31001
$ wsk property set --auth 23bc46b1-71f6-4ed5-8c54-816aa4f8c502:123zO3xZCLrMN6v2BKK1dXYFpXlPkccOFqm12CdAsMgRU4VrNZ9lyGVCGuMDGIwPRe hlahloba:
$ wsk -i list
Entities in namespace: default
packages
actions
triggers
rulesMathata le tharollo ea bona
getsockopt/ Ketso ya ho hokahana: ho hana
$ wsk -i list
error: Unable to obtain the list of entities for namespace 'default': Get http://192.168.99.100:31001/api/v1/namespaces/_/actions?limit=0&skip=0: dial tcp 192.168.99.100:31001: getsockopt: connection refusedHo hlahloba hore na lijana li teng sebakeng sa mabitso openwhisk boemong Running, hobane ka linako tse ling e thulana le liphoso CreateContainerConfigError.
Invoker e ntse e qala - Init:1/2
Ts'ebetso ea ho jarolla libaka tse fapaneng tsa nako ea ho sebetsa e ka nka nako e telele. Ho potlakisa lintho, o ka bolela lenane le khutsufalitsoeng faeleng mycluster.yaml:
whisk:
runtimes: "runtimes-minimal-travis.json"Setshelo se nang le lebitso -kenya-pakete- e oela ho Phoso
Eketsa feela nako ea ho felloa ke nako bakeng sa liteko tsa bophelo.
Ho kenya OpenWhisk holim'a Knative
Priti Desai o kentse kopo ka holim'a sehlopha se lerung la IBM, hammoho le minikube e tloaelehileng, a sebelisa Knative Build le Build Templates. Ke tla boela ke kenye holim'a minukube, ho itšetlehile ka hore na ho blog ea rona pejana - ho sebelisa liphetolelo tsa morao-rao tsa software. Kaha Knative Build and BuildTemplates e tlositsoe ka molao, ke tla sebelisa sebaka se khothalelitsoeng ka mokhoa oa Tekton Pipelines. Sengoloa se seng kaofela se ngotsoe kamora ho bala litokomane tsa Tekton Pipelines, empa se thehiloe mehopolong ea Priti. Ho sebetsa, o tla hloka ho fihlella Registry ea Docker - 'na, joalo ka sengoli sa mantlha, ke tla sebelisa DockerHub.
$ curl -L0 https://github.com/solo-io/gloo/releases/download/v1.2.10/glooctl-linux-amd64; chmod +x glooctl-linux-amd64; mv glooctl-linux-amd64 ~/bin
$ glooctl install knative
$ kubectl get pods -n knative-serving
NAME READY STATUS RESTARTS AGE
activator-77fc555665-rvrst 1/1 Running 0 2m23s
autoscaler-5c98b7c9b6-x8hh4 1/1 Running 0 2m21s
autoscaler-hpa-5cfd4f6845-w87kq 1/1 Running 0 2m22s
controller-7fd74c8f67-tprm8 1/1 Running 0 2m19s
webhook-74847bb77c-txr2g 1/1 Running 0 2m17s
$ kubectl get pods -n gloo-system
NAME READY STATUS RESTARTS AGE
discovery-859d7fbc9c-8xhvh 1/1 Running 0 51s
gloo-545886d9c6-85mwt 1/1 Running 0 51s
ingress-67d4996d75-lkkmw 1/1 Running 0 50s
knative-external-proxy-767dfd656c-wwv2z 1/1 Running 0 50s
knative-internal-proxy-6fdddcc6b5-7vqd8 1/1 Running 0 51s
Ho aha le ho tsamaisa OpenWhisk holim'a Knative
- Ho fumana litaba :
$ git clone https://github.com/tektoncd/catalog/
$ cd catalog/openwhisk- Re beha data bakeng sa ho fihlella Registry joalo ka mefuta e fapaneng ea tikoloho mme re e boloka e le lekunutu la Kubernetes:
$ export DOCKER_USERNAME=<your docker hub username>
$ export DOCKER_PASSWORD=<your docker hub password>
$ sed -e 's/${DOCKER_USERNAME}/'"$DOCKER_USERNAME"'/' -e 's/${DOCKER_PASSWORD}/'"$DOCKER_PASSWORD"'/' docker-secret.yaml.tmpl > docker-secret.yaml
$ kubectl apply -f docker-secret.yamlRe hlahloba:
$ kubectl get secret
NAME TYPE DATA AGE
dockerhub-user-pass kubernetes.io/basic-auth 2 21s- Theha ak'haonte bakeng sa libaka tsa moaho:
$ kubectl apply -f service-account.yamlRe hlahloba:
$ kubectl get serviceaccount/openwhisk-runtime-builder
NAME SECRETS AGE
openwhisk-runtime-builder 2 31m- Etsa mosebetsi ho aha setšoantšo sa OpenWhisk
$ kubectl apply -f openwhisk.yaml
task.tekton.dev/openwhisk created- Re tsamaisa mosebetsi oa ho aha setšoantšo (re sebelisa NodeJS joalo ka mohlala):
Theha faele ea taskrun.yaml ka litaba:
# Git Pipeline Resource for OpenWhisk NodeJS Runtime
apiVersion: tekton.dev/v1alpha1
kind: PipelineResource
metadata:
name: openwhisk-nodejs-runtime-git
spec:
type: git
params:
- name: revision
value: master
- name: url
value: https://github.com/apache/openwhisk-runtime-nodejs.git
---
# Image Pipeline Resource for OpenWhisk NodeJS Sample Application
apiVersion: tekton.dev/v1alpha1
kind: PipelineResource
metadata:
name: openwhisk-nodejs-helloworld-image
spec:
type: image
params:
- name: url
value: docker.io/${DOCKER_USERNAME}/openwhisk-nodejs-helloworld
---
# Task Run to build NodeJS image with the action source
apiVersion: tekton.dev/v1alpha1
kind: TaskRun
metadata:
name: openwhisk-nodejs-helloworld
spec:
serviceAccountName: openwhisk-runtime-builder
taskRef:
name: openwhisk
inputs:
resources:
- name: runtime-git
resourceRef:
name: openwhisk-nodejs-runtime-git
params:
- name: DOCKERFILE
value: "./runtime-git/core/nodejs10Action/knative/Dockerfile"
- name: OW_ACTION_NAME
value: "nodejs-helloworld"
- name: OW_ACTION_CODE
value: "function main() {return {payload: 'Hello World!'};}"
- name: OW_PROJECT_URL
value: ""
outputs:
resources:
- name: runtime-image
resourceRef:
name: openwhisk-nodejs-helloworld-image
---Re sebelisa lintlha tsa hajoale tsa faele ena:
$ sed 's/${DOCKER_USERNAME}/'"$DOCKER_USERNAME"'/' -i taskrun.yamlRe etsa kopo:
$ kubectl apply -f taskrun.yaml
pipelineresource.tekton.dev/openwhisk-nodejs-runtime-git created
pipelineresource.tekton.dev/openwhisk-nodejs-helloworld-image created
taskrun.tekton.dev/openwhisk-nodejs-helloworld createdHo hlahloba mosebetsi ho kenyelletsa ho fumana lebitso la pod le ho sheba boemo ba eona. U ka boela ua sheba tlaleho ea ts'ebetso ea mohato ka mong, mohlala:
$ kubectl get taskrun
NAME SUCCEEDED REASON STARTTIME COMPLETIONTIME
openwhisk-nodejs-helloworld True Succeeded 5m15s 44s
$ kubectl get pod openwhisk-nodejs-helloworld-pod-4640d3
NAME READY STATUS RESTARTS AGE
openwhisk-nodejs-helloworld-pod-4640d3 0/6 Completed 0 5m20s
$ kubectl logs openwhisk-nodejs-helloworld-pod-4640d3 -c step-git-source-openwhisk-nodejs-runtime-git-r8vhr
{"level":"info","ts":1576532931.5880227,"logger":"fallback-logger","caller":"logging/config.go:69","msg":"Fetch GitHub commit ID from kodata failed: open /var/run/ko/refs/heads/master: no such file or directory"}
{"level":"info","ts":1576532936.538926,"logger":"fallback-logger","caller":"git/git.go:81","msg":"Successfully cloned https://github.com/apache/openwhisk-runtime-nodejs.git @ master in path /workspace/runtime-git"}
{"level":"warn","ts":1576532936.5395331,"logger":"fallback-logger","caller":"git/git.go:128","msg":"Unexpected error: creating symlink: symlink /tekton/home/.ssh /root/.ssh: file exists"}
{"level":"info","ts":1576532936.8202565,"logger":"fallback-logger","caller":"git/git.go:109","msg":"Successfully initialized and updated submodules in path /workspace/runtime-git"}Kamora ho bolaoa, re tla ba le setšoantšo ho Registry se ka sebelisoang ho sebelisoa kn utility, e etselitsoeng ho sebetsa le lits'ebeletso tsa Knative, mohlala:
kn service create nodejs-helloworld --image docker.io/${DOCKER_USERNAME}/openwhisk-nodejs-helloworld
Service 'nodejs-helloworld' successfully created in namespace 'default'.
Waiting for service 'nodejs-helloworld' to become ready ... OK
Service URL:
http://nodejs-helloworld.default.example.comHaeba u sebelisa Gloo, u ka sheba ts'ebetso ea eona ka tsela ena:
$ curl -H "Host: nodejs-helloworld.default.example.com" -X POST $(glooctl proxy url --name knative-external-proxy)
{"OK":true}
$ curl -H "Host: nodejs-helloworld.default.example.com" -X POST $(glooctl proxy url --name knative-external-proxy)
{"payload":"Hello World!"}Lingoliloeng tse ling letotong
Source: www.habr.com