(pronounced "pet-uh-sos")
Petasos is the HTTP redirector component of XMiDT. Petasos will redirect http requests to a talaria depending on the the device id and talaria service discovery configuration.
This project and everyone participating in it are governed by the XMiDT Code Of Conduct. By participating, you agree to this Code.
Petasos has one function: to redirect incoming requests to the correct talaria.
The two types of requests are from a device looking to connect to talaria and from scytale looking to forward a request to a device.
In either case, petasos returns an http 307 redirect to the talaria.
Petasos determines the correct talaria via service discovery configuration.
Currently, petasos can be configured either to dynamically coordinate talarias via Consul (consul option)
or be statically configured (fixed option). Refer to cluster configuration
for more information.
Any URI paths (e.g. /api/v2/device, /api/v2/device/send) will be redirected
to the talaria; petasos doesn't parse or validate the path in the request.
In order for petasos to complete the request, the X-Webpa-Device-Name header must
be included.
For example, a docker container running with a fixed configuration will produce the following:
$ curl -i -H "X-Webpa-Device-Name:mac:112233445566" localhost:6400/
HTTP/1.1 307 Temporary Redirect
Content-Type: text/html; charset=utf-8
Location: http://talaria:6200
X-Petasos-Build: 0.1.4
X-Petasos-Flavor: mint
X-Petasos-Region: east
X-Petasos-Server: petasos
X-Petasos-Start-Time: 03 Sep 19 15:39 UTC
Date: Tue, 03 Sep 2019 15:40:04 GMT
Content-Length: 55
<a href="http://talaria:6200">Temporary Redirect</a>.
In order to build from the source, you need a working Go environment with version 1.11 or greater. Find more information on the Go website.
You can directly use go get to put the petasos binary into your GOPATH:
GO111MODULE=on go get github.com/xmidt-org/petasosYou can also clone the repository yourself and build using make:
mkdir -p $GOPATH/src/github.com/xmidt-org
cd $GOPATH/src/github.com/xmidt-org
git clone [email protected]:xmidt-org/petasos.git
cd petasos
make buildThe Makefile has the following options you may find helpful:
make build: builds the petasos binarymake docker: builds a docker image for petasos, making sure to get all dependenciesmake local-docker: builds a docker image for petasos with the assumption that the dependencies can be found alreadymake test: runs unit tests with coverage for petasosmake clean: deletes previously-built binaries and object files
First have a local clone of the source and go into the root directory of the repository. Then use rpkg to build the rpm:
rpkg srpm --spec <repo location>/<spec file location in repo>
rpkg -C <repo location>/.config/rpkg.conf sources --outdir <repo location>'The docker image can be built either with the Makefile or by running a docker command. Either option requires first getting the source code.
See Makefile on specifics of how to build the image that way.
For running a command, either you can run docker build after getting all
dependencies, or make the command fetch the dependencies. If you don't want to
get the dependencies, run the following command:
docker build -t petasos:local -f deploy/Dockerfile .If you want to get the dependencies then build, run the following commands:
GO111MODULE=on go mod vendor
docker build -t petasos:local -f deploy/Dockerfile.local .For either command, if you want the tag to be a version instead of local,
then replace local in the docker build command.
A helm chart can be used to deploy petasos to kubernetes
helm install xmidt-petasos deploy/helm/petasos
For deploying a XMiDT cluster refer to getting started.
For running locally, ensure you have the binary built. If it's in
your GOPATH, run:
petasos
If the binary is in your current folder, run:
./petasos
Refer to CONTRIBUTING.md.
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