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Below is the list of components needed for a Xmidt (webPA 2.0) cluster setup. For a single node reference setup, few of the services are not mandatory hence not used.

ComponentTypeDescriptionUsed in current setup
TalariaServer

Talaria maintains the secure websocket connections from the device and passes the messages from or to the device.

Yes
ScytaleServer

Scytale accepts the inbound requests, fans out across data centers and delivers the messages to the Talaria machines that could be hosting the device connection.

Yes
tr1d1umServer

The Webpa micro-service that encode TR-181 requests.

Yes
petasosServerPetasos helps reduce the load on the Talaria machines during mass reboot cases by calculating which specific Talaria a device should connect to & redirecting the incoming request.No
caduceusServer

Caduceus provides the pub-sub message delivery mechanism for xmidt.

No
parodusClient

Parodus is the light weight client that reaches out to the xmidt cloud to establish the connection.

Yes

Install released version of packages from GitHub

Code Block
a) Import the GPG Key (Required once, common for all the packages)
	$ rpm --import https://github.com/Comcast/tr1d1um/releases/download/0.0.1-65/RPM-GPG-KEY-comcast-webpa
b) Install the packages
	$ rpm -Uvh https://github.com/Comcast/scytale/releases/download/0.1.1-83/scytale-0.1.1-83.el6.x86_64.rpm
	$ rpm -Uvh https://github.com/Comcast/talaria/releases/download/0.1.1-153/talaria-0.1.1-153.el6.x86_64.rpm
	$ rpm -Uvh https://github.com/Comcast/tr1d1um/releases/download/0.1.1-228/tr1d1um-0.1.1-228.el6.x86_64.rpm

Build from Source

Dependency

Install golang

Required for compiling server components written in go language.

Code Block
$ sudo yum install golang
install glide

Glide is a package manager for Go that is conceptually similar to package managers for other languages. Glide provides the following functionality:

  • Records dependency information in a glide.yaml file. This includes a name, version or version range, version control information for private repos or when the type cannot be detected, and more.
  • Tracks the specific revision each package is locked to in a glide.lock file. This enables reproducibly fetching the dependency tree.
  • Utilizes vendor/ directories, known as the Vendor Experiment, so that different projects can have differing versions of the same dependencies.
Code Block
$ wget -c https://github.com/Masterminds/glide/releases/download/v0.13.1/glide-v0.13.1-linux-amd64.tar.gz
$ tar -xzf glide-v0.13.1-linux-amd64.tar.gz -C /opt
$ echo "export PATH=$PATH:/opt/linux-amd64/" >> $HOME/.bash_profile


Downloading the packages

Code Block
1. create a directory in $HOME say webpa_modules
$ mkdir $HOME/webpa_modules && cd $HOME/webpa_modules
2. Checkout the components from GitHub repository.
$ git clone https://github.com/Comcast/talaria.git
$ git clone https://github.com/Comcast/scytale.git
$ git clone https://github.com/Comcast/tr1d1um.git

Building the components

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