ይህ መጣጥፍ ከጸሐፊው ስለ OpenWhisk የተተረጎሙትን ተከታታይ ማስታወሻዎች ያበቃል
OpenWhisk በ Kubernetes ላይ በማሰማራት ላይ
በጥቂት ቀናት ውስጥ ቀላል እና ፈጣን የሙከራ ቦታን ለመፍጠር OpenWhiskን ወደ ኩበርኔትስ በማሰማራት ሞክሬ ነበር። እና ለኩበርኔትስ አዲስ ስለሆንኩ አንድ ቀን ተኩል በተሳካ ሁኔታ ለማሰማራት እንደጠፋ አምናለሁ። ውስጥ
- የጥቅል አስተዳዳሪን በመጫን ላይ
asdf
, ከዚያ በኋላ በራስ-ሰር እናስተካክላለን~/.bash_profile
ወይም ተመሳሳይ ነው፡-
$ brew install asdf
$ [ -s "/usr/local/opt/asdf/asdf.sh" ] && . /usr/local/opt/asdf/asdf.sh
$ source ~/.bash_profile
[በሊኑክስ ላይ ይህ እርምጃ አያስፈልግም, ምንም እንኳን ጠመቃ ቢኖርም. - በግምት. ተርጓሚ]
- ተሰኪዎችን በማከል ላይ
minikube
иkubelet
:
$ asdf plugin-add kubectl
$ asdf plugin-add minikube
[እንደገና፣ ይህን ደረጃ በሊኑክስ ላይ ይዝለሉት። - በግምት. ተርጓሚ]
- ሚኒኩቤ እና ኩቤሌትን ጫን፡-
$ asdf install kubectl 1.9.0
$ asdf global kubectl 1.9.0
$ asdf install minikube 0.25.2
$ asdf global minikube 0.25.2
[የተወሰኑ ስሪቶች ተጭነዋል ፣ ግን ለሊኑክስ የቅርብ ጊዜ ስሪቶች ላይ ሁሉንም ነገር ፈትሻለሁ። የቅርብ ጊዜውን በደህና መጫን እንደሚችሉ እገምታለሁ። - በግምት. ተርጓሚ]
በሊኑክስ ላይ፣ ይህ እርምጃ እንደዚህ ያለ ነገር ነው የሚሰራው (ሁሉም ነገር በ ~/ቢን ውስጥ ተቀምጧል፣ እሱም በእኔ PATH ፣ የተርጓሚ ማስታወሻ ውስጥ ተዘርዝሯል)
$ 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/
- ሚኒኩቤ ምናባዊ ማሽን ይፍጠሩ (VirtualBox አስቀድሞ መጫን አለበት)
$ minikube start --cpus 2 --memory 4096 --kubernetes-version=v1.9.0 --extra-config=apiserver.Authorization.Mode=RBAC
[ሁሉም ነገር ከቡድኑ ጋር ይሰራል minikube start
, ያለ መመዘኛዎች እና በነባሪ ዋጋዎች. - በግምት. ተርጓሚ]
$ 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"
- በዶከር ውስጥ አውታረ መረቡን ወደ ዝሙት ሁነታ መቀየር፡-
$ minikube ssh -- sudo ip link set docker0 promisc on
- የስም ቦታ ይፍጠሩ እና የሰራተኛውን መስቀለኛ መንገድ ምልክት ያድርጉበት፡
$ kubectl create namespace openwhisk
$ kubectl label nodes --all openwhisk-role=invoker
- የማከማቻውን ይዘቶች አግኝተናል እና በ mycluster.yaml ፋይል ውስጥ የመግባት አይነትን እንሽራለን፡-
$ 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
- Helm ን ይጫኑ እና እሱን ተጠቅመው ያሰማሩት፡-
$ 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
[በሊኑክስ የቅርብ ጊዜ ስሪቶች (v3.0.1 ነበር) ትንሽ የተለየ ይሆናል። - በግምት. ተርጓሚ]
$ 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
- ሁሉም ነገር መነሳቱን እናረጋግጣለን (STATUS = እየሄደ ወይም እንደተጠናቀቀ)
$ 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
- wsk ወደ ሥራ በማዋቀር ላይ፡-
$ wsk property set --apihost 192.168.99.100:31001
$ wsk property set --auth 23bc46b1-71f6-4ed5-8c54-816aa4f8c502:123zO3xZCLrMN6v2BKK1dXYFpXlPkccOFqm12CdAsMgRU4VrNZ9lyGVCGuMDGIwP
እንፈትሻለን
$ wsk -i list
Entities in namespace: default
packages
actions
triggers
rules
ችግሮች እና መፍትሄዎቻቸው
getsockot: ግንኙነት ውድቅ
$ 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 refused
መያዣዎቹ በስም ቦታ ውስጥ መሆናቸውን በማጣራት ላይ openwhisk
በሁኔታ Running
, ምክንያቱም አንዳንድ ጊዜ ከስህተቶች ጋር ይወድቃል CreateContainerConfigError
.
ጠሪ አሁንም በማስጀመር ላይ - Init:1/2
የተለያዩ የሩጫ ጊዜ አካባቢዎችን የማውረድ ሂደት ረጅም ጊዜ ሊወስድ ይችላል። ነገሮችን ለማፋጠን በፋይሉ ውስጥ አጭር አጭር ዝርዝር መግለጽ ይችላሉ። mycluster.yaml
:
whisk:
runtimes: "runtimes-minimal-travis.json"
ስም ያለው መያዣ - ማሸጊያዎች - መጫኛ - ወደ ስህተት ወድቋል
ለሕያውነት ሙከራዎች የጊዜ ማብቂያዎችን ብቻ ይጨምሩ።
በKnative ላይ OpenWhiskን በመጫን ላይ
ፕሪቲ ዴሴይ ተከላውን በ IBM ደመና ላይ በክላስተር ላይ እንዲሁም በመደበኛ ሚኒኩቤ ላይ Knative Build እና BuildTemplates በመጠቀም አከናውኗል። እኔ ደግሞ እንዴት ላይ በመመስረት minukube አናት ላይ መጫን
$ 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
በKnative አናት ላይ OpenWhisk መገንባት እና ማሄድ
- ይዘቱን በማግኘት ላይ
ይህ ማከማቻ :
$ git clone https://github.com/tektoncd/catalog/
$ cd catalog/openwhisk
- መዝገቡን ለመድረስ እንደ አካባቢ ተለዋዋጮች እናዘጋጃለን እና እንደ Kubernetes ሚስጥር እናስቀምጣቸዋለን፡-
$ 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.yaml
እንፈትሻለን
$ kubectl get secret
NAME TYPE DATA AGE
dockerhub-user-pass kubernetes.io/basic-auth 2 21s
- አካባቢዎችን ለመገንባት መለያ ይፍጠሩ፡-
$ kubectl apply -f service-account.yaml
እንፈትሻለን
$ kubectl get serviceaccount/openwhisk-runtime-builder
NAME SECRETS AGE
openwhisk-runtime-builder 2 31m
- ለOpenWhisk ምስል ለመገንባት ተግባር ይፍጠሩ
$ kubectl apply -f openwhisk.yaml
task.tekton.dev/openwhisk created
- ምስሉን ለመገንባት ስራውን እናካሂዳለን (NodeJSን እንደ ምሳሌ በመጠቀም)
ከይዘቱ ጋር taskrun.yaml ፋይል ይፍጠሩ፡-
# 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
---
ለዚህ ፋይል የአሁኑን ውሂብ እንተገብራለን፡-
$ sed 's/${DOCKER_USERNAME}/'"$DOCKER_USERNAME"'/' -i taskrun.yaml
አመልክተናል፡-
$ 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 created
ስራውን መፈተሽ የፓዱን ስም ማግኘት እና ያለበትን ሁኔታ ማየትን ያካትታል። እንዲሁም የእያንዳንዱን ደረጃ የአፈፃፀም ምዝግብ ማስታወሻ ማየት ይችላሉ ፣ ለምሳሌ፡-
$ 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"}
ከተገደለ በኋላ፣ ከKnative አገልግሎቶች ጋር ለመስራት የተነደፈ፣ ለምሳሌ፡
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.com
Glooን ከተጠቀሙ፣ ተግባሩን እንደሚከተለው ማረጋገጥ ይችላሉ።
$ 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!"}
በተከታታይ ውስጥ ሌሎች ጽሑፎች
ምንጭ: hab.com