Distributed-Domain

Prerequisite

• Downloafd the trisul from official website .

• Install hub in Trisul-hub server.

• Check if expect script is present , If not install the package.

  UBUNTU

  sudo apt install expect

  RHEL

  sudo yum install expect

• Install probe in Trisul-probe server , for multiple probe install probe on each server.

• Configure ssh on all Trisul-server

First , you need to change the Hub-server to distributed domain . Follow the below steps :

Trisul-Hub server

• Run the script - /usr/local/share/trisul-hub/hub_distributer.exp

• It ask the following inputs Hub-Server IP , Description , starting port .

  

  Paraneters	Sample Inputs
  Hub IP Address	192.168.1.6
  Domain Description	Distributed domain
  Starting Port	12001

• Installation starts and the server will now become distributed domain.

Next , you need to add trisul-probe to the trisul-hub . Follow this step to connect probe to hub

Trisul-probe server

• Run the script - /usr/local/share/trisul-hub/add_probe.exp

• It ask for following inputs Probe-Name , Probe-ssh-IP addr , Probe-ssh-username , Probe-ssh-Password.

  note

  Probe name should start with probe string followed by name
  Ex : probeWEST

  

  Parameters	Sample Inputs
  Probe-Name	probeWEST
  Probe-ssh-IP addr	192.168.1.7
  Probe-ssh-username	demo-user
  Probe-ssh-Password	demo-passwd

• The script will connect the Trisul-probe to the Trisul-hub , If you have multiple Trisul-probe , after the installation of trisul-probe over , run the same script again and provide the next Trisul-probe details.

Check the probe is connected

• To check the probe is connected you can run this command :

  /usr/local/bin/trisulctl_hub hello

  You can see the list of probe connected here.

• If you can't see the probe restart the hub and probe.

• Run this below script on Trisul-hub server

  /usr/local/bin/trisulctl_hub restart domain

• Run this below script on Trisul-probe server

  /usr/local/bin/trisulctl_probe restart domain

• Again run the first command it shows the connected probe . If the probe is not shown then the installation is not done correctly.

How it works

• In hub and probe server , the inputs is checked before the installation.

• Then , it checks the license is valid , if you have an 3-day timetrial then the installation will stopped. Contact the trisul support for license.

• In hub server , the domain and context will be stopped

• Removes the default domain0 by removing the domain cert files.

• Creates a new domain with the TCP socket by executing below commands

/usr/local/bin/trisulctl_hub create domain

• After the domain is created , then it install the domain cert in hub by running following commands

trisulctl_hub install domain /usr/local/share/trisul-hub/domain0.cert 

And it change the endpoints by executing below command

 /usr/local/share/trisul-hub/change_endpoints 

• The Trisul-probe server commands is executed through SSH in Trisul-hub server itself

• In probe server it removes the default probe0 if it exists and creates a new probe with given probe name

• The probe cert is installed in Trisul-probe itself and another copy routed to Trisul-probe and installed in Trisul-hub also.

• At last both Trisul-hub and Trisul probe is restarted