这里分类和汇总了欣宸的全部原创(含配套源码):https://github.com/zq2599/blog_demos
本文中的操作会用到工具faas-cli,前文已提到过此工具可以部署在任意电脑上,远程连接OpenFaaS,请确保faas-cli所在机器上有docker服务,因为构建镜像时会用到。
[root@node1 faas-template]# faas-cli template pull
Fetch templates from repository: https://github.com/openfaas/templates.git at master
2020/11/19 16:34:31 Attempting to expand templates from https://github.com/openfaas/templates.git
2020/11/19 16:34:45 Fetched 12 template(s) : [csharp dockerfile go java11 java11-vert-x node node12 php7 python python3 python3-debian ruby] from https://github.com/openfaas/templates.git
[root@node1 faas-template]# faas-cli new --list
Languages available as templates:
- csharp
- dockerfile
- go
- java11
- java11-vert-x
- node
- node12
- php7
- python
- python3
- python3-debian
- ruby
faas-cli new add --lang python -p bolingcavalry
[root@node1 faas-template]# faas-cli new add --lang python -p bolingcavalry
Folder: add created.
___ _____ ____
/ _ \ _ __ ___ _ __ | ___|_ _ __ _/ ___|
| | | | '_ \ / _ \ '_ \| |_ / _` |/ _` \___ \
| |_| | |_) | __/ | | | _| (_| | (_| |___) |
\___/| .__/ \___|_| |_|_| \__,_|\__,_|____/
|_|
Function created in folder: add
Stack file written: add.yml
version: 1.0
provider:
name: openfaas
gateway: http://192.168.133.187:31112
functions:
add:
lang: python
handler: ./add
image: bolingcavalry/add:latest
def handle(req):
"""handle a request to the function
Args:
req (str): request body
"""
return req
def handle(req):
array = req.replace('\n', '').split(',')
rlt = 0
for i in array:
rlt += int(i)
return rlt
faas-cli build -f ./add.yml
Step 29/29 : CMD ["fwatchdog"]
---> Running in 94b3e80d0df2
Removing intermediate container 94b3e80d0df2
---> 5e6c22fa838d
Successfully built 5e6c22fa838d
Successfully tagged bolingcavalry/add:latest
Image: bolingcavalry/add:latest built.
[0] < Building add done in 62.81s.
[0] Worker done.
Total build time: 62.81s
[root@node1 faas-template]# docker images|grep add
bolingcavalry/add latest 5e6c22fa838d 4 minutes ago 88.4MB
[root@node1 faas-template]# faas-cli deploy -f add.yml
Deploying: add.
WARNING! Communication is not secure, please consider using HTTPS. Letsencrypt.org offers free SSL/TLS certificates.
Deployed. 202 Accepted.
URL: http://192.168.133.187:31112/function/add.openfaas-fn
[root@node1 faas-template]# kubectl get pods -n openfaas-fn
NAME READY STATUS RESTARTS AGE
add-5679bcd94c-vc9rw 1/1 Running 0 32m
nodeinfo-57fb768fb8-955tf 1/1 Running 0 104m
[root@node1 ~]# curl http://192.168.133.187:31112/function/add -X POST -d '1,2,3,4,5,6'
21
至此,OpenFaaS环境下的函数基本操作的实战就完成了,接下来的文章会继续深入OpenFaaS,了解它更多强大的能力;