fx
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A tool to help you do Function as a Service with painless on your own servers.
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Poor man's function as a service.
fx is a tool to help you do Function as a Service on your own server, fx can make your stateless function a service in seconds, both Docker host and Kubernetes cluster supported. The most exciting thing is that you can write your functions with most programming languages.
Feel free hacking fx to support the languages not listed. Welcome to tweet me @_metrue on Twitter, @metrue on Weibo.
| Language | Status | Contributor | Example |
|---|---|---|---|
| Go | Supported | fx | /examples/Golang |
| Rust | Supported | @FrontMage | /examples/Rust |
| Node | Supported | fx | /examples/JavaScript |
| Python | Supported | fx | /examples/Python |
| Ruby | Supported | fx | /examples/Ruby |
| Java | Supported | fx | /examples/Java |
| PHP | Supported | @chlins | /examples/PHP |
| Julia | Supported | @matbesancon | /examples/Julia |
| D | Supported | @andre2007 | /examples/D |
| Perl | Supported | fx | /examples/Perl |
| Crystal | Supported | @mvrilo | /examples/Crystal |
| R | Working on need your help |
Binaries are available for Windows, MacOS and Linux/Unix on x86. For other architectures and platforms, follow instructions to build fx from source.
brew tap metrue/homebrew-fx
brew install metrue/fx/fxvia cURL
# Install to local directory
curl -o- https://raw.githubusercontent.com/metrue/fx/master/scripts/install.sh | bash
# Install to /usr/local/bin/
curl -o- https://raw.githubusercontent.com/metrue/fx/master/scripts/install.sh | sudo bashfx will be installed into /usr/local/bin, sometimes you may need source ~/.zshrc or source ~/.bashrc to make fx available in $PATH.
You can go the release page to download fx manually;
NAME:
fx - makes function as a service
USAGE:
fx [global options] command [command options] [arguments...]
COMMANDS:
up deploy a function
down destroy a service
list, ls list deployed services
image manage image of service
help, h Shows a list of commands or help for one command
GLOBAL OPTIONS:
--help, -h show help
--version, -v print the versionBy default, function will be deployed on localhost， make sure Docker installed and running on your server first. then type fx -h on your terminal to check out basic help.
$ fx up --name hello ./examples/functions/JavaScript/func.js
+------------------------------------------------------------------+-----------+---------------+
| ID | NAME | ENDPOINT |
+------------------------------------------------------------------+-----------+---------------+
| 5b24d36608ee392c937a61a530805f74551ddec304aea3aca2ffa0fabcf98cf3 | /hello | 0.0.0.0:58328 |
+------------------------------------------------------------------+-----------+---------------+Use --host to specify the target host for your function, or you can just set it to FX_HOST environment variable.
$ fx up --host roo@<your host> --name hello ./examples/functions/JavaScript/func.js
+------------------------------------------------------------------+-----------+---------------+
| ID | NAME | ENDPOINT |
+------------------------------------------------------------------+-----------+---------------+
| 5b24d36608ee392c937a61a530805f74551ddec304aea3aca2ffa0fabcf98cf3 | /hello | 0.0.0.0:58345 |
+------------------------------------------------------------------+-----------+---------------+$ FX_KUBECONF=~/.kube/config fx up examples/functions/JavaScript/func.js --name hello
+-------------------------------+------+----------------+
| ID | NAME | ENDPOINT |
+----+--------------------------+-----------------------+
| 5b24d36608ee392c937a | hello-fx | 10.0.242.75:80 |
+------------------------+-------------+----------------+then you can test your service:
$ curl -v 0.0.0.0:58328
GET / HTTP/1.1
Accept: */*
Accept-Encoding: gzip, deflate
Connection: keep-alive
Host: 0.0.0.0:10001
User-Agent: HTTPie/1.0.2
HTTP/1.1 200 OK
Connection: keep-alive
Content-Length: 11
Content-Type: text/plain; charset=utf-8
Date: Sat, 10 Aug 2019 05:28:03 GMT
hello world
You should create a Kubernetes cluster if you don't have one on AKS, detail document can found here.
$ az group create --name <myResourceGroup> --location eastus
$ az aks create --resource-group <myResourceGroup> --name myAKSCluster --node-count <count>
$ az aks get-credentials --resource-group <myResourceGroup> --name <myAKSCluster>Then you can verify it with kubectl,
$ kubectl get nodes
NAME STATUS ROLES AGE VERSION
aks-nodepool1-31718369-0 Ready agent 6m44s v1.12.8Since AKS's config will be merged into ~/.kube/config and set to be current context after you run az aks get-credentials command, so you can just set KUBECONFIG to default config also,
$ export FX_KUBECONF=~/.kube/config # then fx will take the config to deloy functionBut we would suggest you run kubectl config current-context to check if the current context is what you want.
Amazon Elastic Kubernetes Service (EKS) TODO
Google Kubernetes Engine (GKE)
First you should create a Kubernetes cluster in your GKE, then make sure your KUBECONFIG is ready in ~/.kube/config, if not, you can run following commands,
$ gcloud auth login
$ gcloud container clusters get-credentials <your cluster> --zone <zone> --project <project>Then make sure you current context is GKE cluster, you can check it with command,
$ kubectl config current-contextThen you can deploy your function onto GKE cluster with,
$ FX_KUBECONF=~/.kube/config fx up examples/functions/JavaScript/func.js --name hellojsfx infra create --type k3s --name fx-cluster-1 --master root@123.11.2.3 --agents 'root@1.1.1.1,root@2.2.2.2'Thank you to all the people who already contributed to fx!
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