
Wannan labarin ya ƙare jerin bayanan da aka fassara game da OpenWhisk daga marubucin . A yau za mu kalli tsarin tura OpenWhisk akan Kubernetes tare da ingantattun umarni don aiki tare da nau'ikan aikace-aikacen yanzu. Hakanan zai rufe tsarin gudanar da ayyukan OpenWhisk ta amfani da Knative da TektonCD akan Kubernetes ta amfani da lokacin aikin Nodejs.
Ana tura OpenWhisk akan Kubernetes
A cikin ƴan kwanaki, na gwada tare da tura OpenWhisk zuwa Kubernetes don ƙirƙirar filin gwaji mai sauƙi da sauri. Kuma tun da nake sabon zuwa Kubernetes, na yi imani cewa an kashe kwana ɗaya da rabi a cikin nasarar turawa. IN Ma'ajiyar ajiyar suna da cikakkun umarni don tura OpenWhisk akan Kubernetes. Anan ga umarnin turawa da aka yi don Mac (Zan kuma yi duk abin da ke Linux, domin na fi so Linux. - kimanin. fassara).
- Sanya manajan kunshin
asdf, bayan haka muna gyara ta atomatik~/.bash_profileko makamancinsa kamar haka:
$ brew install asdf
$ [ -s "/usr/local/opt/asdf/asdf.sh" ] && . /usr/local/opt/asdf/asdf.sh
$ source ~/.bash_profile[a kan Linux Wannan matakin ba lallai bane, kodayake akwai giya. - kimanin. mai fassara]
- Ƙara plugins
minikubeиkubelet:
$ asdf plugin-add kubectl
$ asdf plugin-add minikube[Kuma, mun tsallake wannan matakin Linux. - kimanin. mai fassara]
- Sanya minikube da kubelet:
$ asdf install kubectl 1.9.0
$ asdf global kubectl 1.9.0
$ asdf install minikube 0.25.2
$ asdf global minikube 0.25.2[an shigar da takamaiman sigar, amma na duba komai akan sabbin sigar da ake da su don Linux; Ina tsammanin za ku iya shigar da sabon sabo lafiya. - kimanin. mai fassara]
a kan Linux Ana yin wannan matakin ne kamar haka (an shigar da komai a cikin ~/bin, wanda ke cikin PATH dina, bayanin mai fassara):
$ 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/- Ƙirƙirar injin kama-da-wane minikube (dole ne a riga an shigar da VirtualBox):
$ minikube start --cpus 2 --memory 4096 --kubernetes-version=v1.9.0 --extra-config=apiserver.Authorization.Mode=RBAC[Komai yana aiki a gare ni tare da tawagar minikube start , ba tare da sigogi ba kuma tare da tsoffin ƙima. - kimanin. mai fassara]
$ 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"- Canja hanyar sadarwa a Docker zuwa yanayin lalata:
$ minikube ssh -- sudo ip link set docker0 promisc on- Ƙirƙiri filin suna kuma yi wa kullin ma'aikaci alama:
$ kubectl create namespace openwhisk
$ kubectl label nodes --all openwhisk-role=invoker- Muna samun abubuwan da ke cikin ma'ajiyar kuma mu soke nau'in shiga cikin fayil ɗin 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- Shigar Helm kuma tura shi ta amfani da shi:
$ 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[a kan Linux Da sabbin sigogin (v3.0.1 yana samuwa) zai ɗan bambanta. - kimanin. mai fassara]
$ 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- Muna duba cewa komai ya tashi (MATSAYI = Gudu ko Kammala):
$ 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- Saita wsk don aiki:
$ wsk property set --apihost 192.168.99.100:31001
$ wsk property set --auth 23bc46b1-71f6-4ed5-8c54-816aa4f8c502:123zO3xZCLrMN6v2BKK1dXYFpXlPkccOFqm12CdAsMgRU4VrNZ9lyGVCGuMDGIwPBinciken:
$ wsk -i list
Entities in namespace: default
packages
actions
triggers
rulesMatsaloli da hanyoyin magance su
getsockot: haɗin ya ƙi
$ 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 refusedDubawa cewa kwantena suna cikin sararin sunan openwhisk cikin hali Running, saboda wani lokacin yakan yi karo da kurakurai CreateContainerConfigError.
Mai kira har yanzu yana farawa - Init: 1/2
Tsarin zazzage mahallin runtime daban-daban na iya ɗaukar lokaci mai tsawo. Don hanzarta abubuwa, zaku iya ƙayyade mafi ƙarancin jeri a cikin fayil ɗin mycluster.yaml:
whisk:
runtimes: "runtimes-minimal-travis.json"Kwantena mai suna -shigar-kunki- ya yi karo da Kuskure
Kawai ƙara ƙarewar lokacin gwajin rayuwa.
Sanya OpenWhisk akan Knative
Priti Desai ta aiwatar da shigarwa a saman gungu a cikin gajimare na IBM, da kuma kan minikube na yau da kullun, ta amfani da Knative Build and BuildTemplates. Zan kuma shigar a saman minukube, bisa ga yadda a cikin blog ɗin mu a baya - ta amfani da sabbin nau'ikan software. Tun da Knative Build da BuildTemplates an soke bisa hukuma, zan yi amfani da shawarar maye gurbin ta hanyar Tekton Pipelines. An rubuta sauran labarin bayan karanta takaddun don Tekton Pipelines, amma ya dogara ne akan ra'ayoyin Priti. Don yin aiki, kuna buƙatar samun dama ga wasu Docker Registry - Ni, kamar marubucin asali, zan yi amfani da 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
Gina da gudanar da OpenWhisk a saman Knative
- Samun abinda ke ciki :
$ git clone https://github.com/tektoncd/catalog/
$ cd catalog/openwhisk- Mun saita bayanan don samun damar yin rajista azaman masu canjin yanayi kuma mun adana su azaman sirrin 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.yamlBinciken:
$ kubectl get secret
NAME TYPE DATA AGE
dockerhub-user-pass kubernetes.io/basic-auth 2 21s- Ƙirƙiri asusu don gine-gine:
$ kubectl apply -f service-account.yamlBinciken:
$ kubectl get serviceaccount/openwhisk-runtime-builder
NAME SECRETS AGE
openwhisk-runtime-builder 2 31m- Ƙirƙiri ɗawainiya don gina hoto don OpenWhisk
$ kubectl apply -f openwhisk.yaml
task.tekton.dev/openwhisk created- Muna gudanar da aikin don gina hoton (ta amfani da NodeJS a matsayin misali):
Ƙirƙiri fayil taskrun.yaml tare da abun ciki:
# 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
---Muna amfani da bayanan yanzu don wannan fayil:
$ sed 's/${DOCKER_USERNAME}/'"$DOCKER_USERNAME"'/' -i taskrun.yamlMuna nema:
$ 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 createdDuba aikin ya ƙunshi samun sunan kwaf ɗin da duba matsayinsa. Hakanan zaka iya duba log ɗin aiwatarwa na kowane mataki, misali:
$ 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"}Bayan aiwatarwa, za mu sami hoto a cikin Registry wanda za'a iya tura shi ta amfani da kayan aikin kn, wanda aka tsara don aiki tare da sabis na Knative, misali:
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.comIdan kuna amfani da Gloo, zaku iya duba ayyukanta kamar haka:
$ 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!"}Sauran labarai a cikin jerin
source: www.habr.com
