🥇"New Epics." Timadya njovu m'zigawo

M'nkhaniyi, ndikhazikitsa malo ogwira ntchito kuti apange masewerawa "Epics", ndikuphwanyanso masewerawa kukhala magawo oyenera kugwiritsidwa ntchito ku OpenFaaS. Ndichita chinyengo chonse pa Linux, nditumiza Kubernetes mu minikube pogwiritsa ntchito VirtualBox. Makina anga ogwira ntchito ali ndi 2 processor cores ndi 12GB ya RAM; Ndimagwiritsa ntchito SSD ngati disk disk. Ndigwiritsa ntchito debian 8 ngati dongosolo langa lalikulu lachitukuko, ndikuyika emacs, sudo, git ndi virtualbox, china chilichonse chidzakhazikitsidwa ndikutsitsa kuchokera ku GitHub ndi magwero ena. Tidzayika izi mu /usr/local/bin pokhapokha zitanenedwa. Tiyeni tiyambe!

Kukonzekera malo ogwirira ntchito

Kukhazikitsa Go

Timatsatira malangizo ochokera patsamba lovomerezeka:

$ curl -L0 https://dl.google.com/go/go1.13.5.linux-amd64.tar.gz -o go.tar.gz
$ sudo tar -C /usr/local -xzf go.tar.gz
$ echo 'export PATH=$PATH:/usr/local/go/bin' >> ~/.profile

Kuwona magwiridwe antchito:

$ mkdir -p ~/go/src/hello && cd ~/go/src/hello
$ echo 'package main

import "fmt"

func main() {
fmt.Printf("hello, worldn")
}' > hello.go
$ go build
$ ./hello
hello, world

Kuyika faas-cli

Timatsatira malangizo ochokera patsamba lovomerezeka:

$ curl -sSL https://cli.openfaas.com | sudo -E sh
x86_64
Downloading package https://github.com/openfaas/faas-cli/releases/download/0.11.3/faas-cli as /tmp/faas-cli
Download complete.

Running with sufficient permissions to attempt to move faas-cli to /usr/local/bin
New version of faas-cli installed to /usr/local/bin
Creating alias 'faas' for 'faas-cli'.
  ___                   _____           ____
 / _  _ __   ___ _ __ |  ___|_ _  __ _/ ___|
| | | | '_  / _  '_ | |_ / _` |/ _` ___ 
| |_| | |_) |  __/ | | |  _| (_| | (_| |___) |
 ___/| .__/ ___|_| |_|_|  __,_|__,_|____/
      |_|

CLI:
 commit:  73004c23e5a4d3fdb7352f953247473477477a64
 version: 0.11.3

Kuphatikiza apo, mutha kuloleza bash-kumaliza:

faas-cli completion --shell bash | sudo tee /etc/bash_completion.d/faas-cli

Kukhazikitsa ndi Kukonza Kubernetes

Pachitukuko, minikube ndiyokwanira, chifukwa chake yikani ndi kubelet mu /usr/local/bin, ndikuyika helm kuti muyike mapulogalamu:

$ curl https://storage.googleapis.com/minikube/releases/latest/minikube-linux-amd64 -o minikube && chmod +x minikube && sudo mv minikube /usr/local/bin/
$ curl https://storage.googleapis.com/kubernetes-release/release/$(curl -s https://storage.googleapis.com/kubernetes-release/release/stable.txt)/bin/linux/amd64/kubectl -o kubectl && chmod +x kubectl && sudo mv kubectl /usr/local/bin/
$ curl https://get.helm.sh/helm-v3.0.2-linux-amd64.tar.gz | tar -xzvf - linux-amd64/helm --strip-components=1; sudo mv helm /usr/local/bin

Kukhazikitsa minikube:

$ minikube start
  minikube v1.6.2 on Debian 8.11
  Automatically selected the 'virtualbox' driver (alternates: [])
  Downloading VM boot image ...
    > minikube-v1.6.0.iso.sha256: 65 B / 65 B [--------------] 100.00% ? p/s 0s
    > minikube-v1.6.0.iso: 150.93 MiB / 150.93 MiB [-] 100.00% 5.67 MiB p/s 27s
  Creating virtualbox VM (CPUs=2, Memory=8192MB, Disk=20000MB) ...
  Preparing Kubernetes v1.17.0 on Docker '19.03.5' ...
  Downloading kubeadm v1.17.0
  Downloading kubelet v1.17.0
  Pulling images ...
  Launching Kubernetes ...  Waiting for cluster to come online ...
  Done! kubectl is now configured to use "minikube"

Kufufuza:

$ kubectl get pods --all-namespaces
NAMESPACE     NAME                               READY   STATUS    RESTARTS   AGE
kube-system   coredns-6955765f44-knlcb           1/1     Running   0          29m
kube-system   coredns-6955765f44-t9cpn           1/1     Running   0          29m
kube-system   etcd-minikube                      1/1     Running   0          28m
kube-system   kube-addon-manager-minikube        1/1     Running   0          28m
kube-system   kube-apiserver-minikube            1/1     Running   0          28m
kube-system   kube-controller-manager-minikube   1/1     Running   0          28m
kube-system   kube-proxy-hv2wc                   1/1     Running   0          29m
kube-system   kube-scheduler-minikube            1/1     Running   0          28m
kube-system   storage-provisioner                1/1     Running   1          29m

Kukhazikitsa OpenFaaS

Madivelopa amalimbikitsa kupanga 2 malo oti mugwire nawo ntchito:

$ kubectl apply -f https://raw.githubusercontent.com/openfaas/faas-netes/master/namespaces.yml
namespace/openfaas created
namespace/openfaas-fn created

Onjezani chosungira cha helm:

$ helm repo add openfaas https://openfaas.github.io/faas-netes/
"openfaas" has been added to your repositories

Tchaticho chili ndi kuthekera kokhazikitsa mawu achinsinsi tisanayike, tiyeni tigwiritse ntchito ndikusunga zolowa ngati chinsinsi cha k8s:

$ PASSWORD=verysecurerandompasswordstring
$ kubectl -n openfaas create secret generic basic-auth --from-literal=basic-auth-user=admin --from-literal=basic-auth-password="$PASSWORD"
secret/basic-auth created

Tiyeni titumize:

$ helm repo update
Hang tight while we grab the latest from your chart repositories...
...Successfully got an update from the "openfaas" chart repository
Update Complete.  Happy Helming!
$ helm upgrade openfaas --install openfaas/openfaas --namespace openfaas --set functionNamespace=openfaas-fn --set generateBasicAuth=false
Release "openfaas" does not exist. Installing it now.
NAME: openfaas
LAST DEPLOYED: Fri Dec 25 10:28:22 2019
NAMESPACE: openfaas
STATUS: deployed
REVISION: 1
TEST SUITE: None
NOTES:
To verify that openfaas has started, run:

  kubectl -n openfaas get deployments -l "release=openfaas, app=openfaas"

Patapita nthawi, timayendetsa lamulo loperekedwa:

$ kubectl -n openfaas get deployments -l "release=openfaas, app=openfaas"
NAME                READY   UP-TO-DATE   AVAILABLE   AGE
alertmanager        1/1     1            1           114s
basic-auth-plugin   1/1     1            1           114s
faas-idler          1/1     1            1           114s
gateway             1/1     1            1           114s
nats                1/1     1            1           114s
prometheus          1/1     1            1           114s
queue-worker        1/1     1            1           114s

Kuwona magwiridwe antchito:

$ kubectl rollout status -n openfaas deploy/gateway
deployment "gateway" successfully rolled out
$ kubectl port-forward -n openfaas svc/gateway 8080:8080 &
[1] 6985
Forwarding from 127.0.0.1:8080 -> 8080
$ echo -n $PASSWORD | faas-cli login --username admin --password-stdin
Calling the OpenFaaS server to validate the credentials...
Handling connection for 8080
WARNING! Communication is not secure, please consider using HTTPS. Letsencrypt.org offers free SSL/TLS certificates.
credentials saved for admin http://127.0.0.1:8080
$ faas-cli list
Function                        Invocations     Replicas

Kukhazikitsa Mongodb

Timayika zonse pogwiritsa ntchito helm:

$ helm repo add stable https://kubernetes-charts.storage.googleapis.com/
"stable" has been added to your repositories
$ helm install stable/mongodb --generate-name
NAME: mongodb-1577466908
LAST DEPLOYED: Fri Dec 25 11:15:11 2019
NAMESPACE: default
STATUS: deployed
REVISION: 1
TEST SUITE: None
NOTES:
** Please be patient while the chart is being deployed **

MongoDB can be accessed via port 27017 on the following DNS name from within your cluster:

    mongodb-1577466908.default.svc.cluster.local

To get the root password run:

    export MONGODB_ROOT_PASSWORD=$(kubectl get secret --namespace default mongodb-1577466908 -o jsonpath="{.data.mongodb-root-password}" | base64 --decode)

To connect to your database run the following command:

    kubectl run --namespace default mongodb-1577466908-client --rm --tty -i --restart='Never' --image bitnami/mongodb --command -- mongo admin --host mongodb-1577466908 --authenticationDatabase admin -u root -p $MONGODB_ROOT_PASSWORD

To connect to your database from outside the cluster execute the following commands:

    kubectl port-forward --namespace default svc/mongodb-1577466908 27017:27017 &
    mongo --host 127.0.0.1 --authenticationDatabase admin -p $MONGODB_ROOT_PASSWORD

Kufufuza:

kubectl run --namespace default mongodb-1577466908-client --rm --tty -i --restart='Never' --image bitnami/mongodb --command -- mongo admin --host mongodb-1577466908 --authenticationDatabase admin -u root -p $(kubectl get secret --namespace default mongodb-1577466908 -o jsonpath="{.data.mongodb-root-password}" | base64 --decode)
If you don't see a command prompt, try pressing enter.

> db.version();
4.0.14

Dinani ctrl+D kuti mutuluke mu chidebecho.

Kupanga emacs

Kwenikweni, zonse zidakonzedwa kale molingana ndi nkhaniyi, kotero sindipita mwatsatanetsatane.

Kugawa masewerawa kukhala ntchito

Kuyanjana ndi ntchito kumachitika kudzera pa http protocol, kutsimikizika komaliza mpaka kumapeto pakati pa ntchito zosiyanasiyana kumaperekedwa ndi JWT. Mongodb imagwiritsidwa ntchito kusunga zizindikiro, komanso dziko lamasewera, data ya osewera, kutsatizana kwamasewera onse ndi zina zambiri. Tiyeni tione mwatsatanetsatane mbali zosangalatsa kwambiri.

kulembetsa

Kulowetsa kwa ntchitoyi ndi JSON yokhala ndi dzina lamasewera ndi mawu achinsinsi. Ntchitoyi ikatchedwa, imafufuzidwa kuti ilibe ilibe mu database; ngati chekecho chikuyenda bwino, mawu achinsinsi ndi mawu achinsinsi amayikidwa mu database. Kulembetsa kumafunika kuti mutenge nawo mbali pamasewerawa.

pakhomo

Ntchito yolowetsamo ndi JSON yokhala ndi dzina lamasewera ndi mawu achinsinsi; ngati pali dzina lakutchulidwira mu nkhokwe ndipo mawu achinsinsi atsimikiziridwa bwino ndi omwe adasungidwa kale mu nkhokwe, JWT imabwezedwa, yomwe iyenera kuperekedwa kuzinthu zina zikasungidwa. kuyitanidwa. Zolemba zosiyanasiyana zautumiki zimayikidwanso mu database, mwachitsanzo, nthawi yomaliza yolowera, ndi zina.

Onani mndandanda wamasewera

Wogwiritsa ntchito aliyense wosaloledwa atha kupempha mndandanda wamasewera onse kupatula omwe akuchita. Wogwiritsa ntchito wovomerezeka amawonanso mndandanda wamasewera omwe akugwira ntchito. Zotsatira za ntchitoyi ndi JSON yomwe ili ndi mndandanda wamasewera (ID yamasewera, dzina lowerengeka ndi anthu, ndi zina).

Kupanga masewera

Ntchitoyi imagwira ntchito ndi ogwiritsa ntchito ovomerezeka okha; kuchuluka kwa osewera kumavomerezedwa polowetsa, komanso magawo amasewera (mwachitsanzo, otchulidwa oti atsegulire masewerawa, kuchuluka kwa osewera, ndi zina zotero). Gawo losiyana la masewerawa ndi kukhalapo kwa mawu achinsinsi olowa nawo, omwe amakulolani kupanga masewera omwe sianthu. Mwachisawawa, masewera apagulu amapangidwa. Zotsatira za ntchitoyi ndi JSON, yomwe ili ndi gawo lachipambano cha chilengedwe, chizindikiritso chamasewera apadera, ndi magawo ena.

Kulowa nawo masewera

Ntchitoyi imagwira ntchito ndi ogwiritsa ntchito ovomerezeka okha, zomwe zimalowetsamo ndi ID yamasewera ndi mawu ake achinsinsi, ngati iyi ndi masewera osagwirizana ndi anthu, zotsatira zake ndi JSON ndi magawo a masewera. Ogwiritsa ntchito ovomerezeka omwe adalowa nawo masewerawa, komanso wopanga masewerawa, akutchedwa ochita nawo masewerawa.

Kuwona zochitika zamasewera

Wogwiritsa ntchito aliyense wosaloledwa atha kupempha mndandanda wazomwe zachitika pamasewera osachita, ndipo wogwiritsa ntchito wovomerezeka atha kulandira mndandanda wazomwe zachitika pamasewera aliwonse. Chowonjezera chowonjezera pa ntchitoyi chikhoza kukhala nambala ya zochitika zomwe wosuta ali nazo kale. Pankhaniyi, zomwe zidachitika pambuyo pake ndizobwezeredwa pamndandanda. Poyambitsa ntchitoyi nthawi ndi nthawi, wogwiritsa ntchito wovomerezeka amawona zomwe zikuchitika mumasewerawa. Ntchitoyi imabwezanso pempho lochitapo kanthu, lomwe wogwiritsa ntchito angayankhe pogwiritsa ntchito ntchito yotumizira zochitika zamasewera.

Kutumiza chochitika chamasewera

Ntchitoyi imagwira ntchito kwa omwe atenga nawo mbali pamasewera: ndizotheka kuyambitsa masewerawa, kusuntha, kuvota, kulemba meseji yomwe ikuwonetsedwa pamndandanda wamasewera, ndi zina zambiri.
Wogwiritsa ntchito wovomerezeka yemwe adapanga masewerawa ayamba kugawa maudindo kwa onse omwe atenga nawo mbali pamasewerawa, kuphatikiza iwowo, ayenera kutsimikizira gawo lawo pogwiritsa ntchito ntchito yomweyo. Maudindo onse akatsimikiziridwa, masewerawa amasintha kukhala mawonekedwe ausiku.

Ziwerengero zamasewera

Ntchitoyi imagwira ntchito kwa omwe atenga nawo mbali pamasewera; imawonetsa momwe masewerawa alili, mndandanda ndi kuchuluka kwa osewera (mayina apamtunda), maudindo ndi mawonekedwe awo (kusuntha kopangidwa kapena ayi), komanso zambiri. Monga momwe zinalili kale, zonse zimagwira ntchito kwa omwe akutenga nawo mbali pamasewera.

Ntchito zoyambitsidwa nthawi ndi nthawi

Ngati masewerawa sanayambitsidwe kwa nthawi yayitali popanga masewerawa, adzachotsedwa pamndandanda wamasewera omwe akugwira ntchito pogwiritsa ntchito ntchito yomveka bwino.

Ntchito ina yanthawi ndi nthawi ndikukakamiza kusinthana kwamasewera kuyambira usiku mpaka masana ndikubwereranso kumasewera omwe izi sizinachitike panthawi yamasewera (mwachitsanzo, wosewera yemwe amayenera kuchitapo kanthu pamasewera sanatumize yankho lake pazifukwa zina. ).

Kulengeza

Mau oyamba
Kukhazikitsa chilengedwe chachitukuko, kuphwanya ntchitoyo kukhala ntchito
ntchito kumbuyo
Ntchito yapambuyo
Kukhazikitsa CICD, kukonzekera kuyesa
Yambitsani gawo lamasewera oyeserera
Zotsatira

Source: www.habr.com

"New Epics". Timadya njovu m'magawo