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How to setup Linux Jenkins nodes¶
This page describes how to set up a Linux machine for ROS 2 CI jobs using AWS.
In short, use the company AWS account to launch an instance running based off the official Ubuntu 16.04 AMI.
AMI: Ubuntu 16.04
Region: N. California us-west-1a
Storage: EBS 1TB
ROS 2 Jenkins Build Machines
Key pair: Create a new pair with a descriptive name like
Make sure to save it with the other credentials so others can access this machine
Give the instance a descriptive name like
ROS 2 CI (linux 4).
Record the IP address here (private).
In short, make sure the jenkins master can ssh into the new node and run docker.
Use the key pair to log into the new node
ssh -i ci_ros2_linux_4.pem ubuntu@IPADDRESS
Run the following commands
sudo apt update sudo apt install -y git sudo apt install -y openjdk-8-jre-headless sudo bash -c 'echo "deb http://repositories.ros.org/ubuntu/testing/ `lsb_release -cs` main" > /etc/apt/sources.list.d/ros-latest.list' sudo bash -c 'curl --silent https://raw.githubusercontent.com/ros/rosdistro/master/ros.asc |sudo apt-key add -' sudo apt update sudo apt install -y python-vcstool curl -fsSL https://get.docker.com/ | sh sudo adduser --disabled-password jenkins sudo usermod -aG docker jenkins sudo service docker start
Make sure the jenkins user can run docker
sudo su jenkins docker run hello-world
As the jenkins user, add the master’s public key to
SSH into the jenkins master and get the contents of the public key (probably at /var/lib/jenkins/.ssh/id_rsa.pub, or wherever the home directory of the jenkins user is)
SSH into the new slave and add that key to the authorized keylist .. code-block:: bash
# on new slave cd /home/jenkins/ mkdir .ssh chmod 700 .ssh touch .ssh/authorized_keys chmod 600 .ssh/authorized_keys # Paste id_rsa.pub from the jenkins master into this file vim .ssh/authorized_keys
Add a new agent to https://ci.ros2.org/computer/
Number of executors: 1
Remote root directory: /home/jenkins
Launch method: Launch slave agents via ssh
Host: Ip address of new node
Host Key Verification Strategy:
Manually provided key verification strategy
SSH Key paste the contents of
/etc/ssh/ssh_host_rsa_key.pubfrom the new node here.
Notify when Node online status changesand set the email to the ros2 buildfarm google group.
Launch the agent on the new node