CircleCI Self-hosted Runner Installation on macOS
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This page describes how to install CircleCI self-hosted runner on macOS.
|This page is a continuation of installing self-hosted runners. You will need to have an existing namespace and resource class to continue below. You can do this on the CircleCI web app by navigating to Self-Hosted Runners (see the documentation for the Web App Installation). You can also use the CLI.|
Download the launch agent script
Save the launch-agent.sh script file to an easily accessible location. From that location, install the launch agent binary for your target platform, either x86_64, or M1 (Apple silicon):
# For macOS x86_64: export platform=darwin/amd64 && sh ./download-launch-agent.sh # For macOS M1: export platform=darwin/arm64 && sh ./download-launch-agent.sh
After successful installation, the launch-agent.sh file can be deleted.
Create a CircleCI self-hosted runner configuration
You will need to choose a user to run the CircleCI agent. These instructions refer to the selected user as
USERNAME refers to the user on the machine that the agent will be installed on, not the CircleCI account username.
Complete the template shown below, with the various capitalized parameters filled in. When complete, save the template as
api: auth_token: AUTH_TOKEN # On server, set url to the hostname of your server installation. For example, # url: https://circleci.example.com runner: name: RUNNER_NAME command_prefix : ["sudo", "-niHu", "USERNAME", "--"] working_directory: /var/opt/circleci/workdir cleanup_working_directory: true logging: file: /Library/Logs/com.circleci.runner.log
Update the Working Directory Permission
The CircleCI agent requires write permission to the directory containing the working directory. Change the ownership of that directory to
sudo chown USERNAME /var/opt/circleci
Install the CircleCI self-hosted runner configuration
Create a directory as
root to hold the CircleCI self-hosted runner configuration:
sudo mkdir -p '/Library/Preferences/com.circleci.runner'
Copy the previously created
launch-agent-config.yaml into the directory and change its permissions to
sudo cp "launch-agent-config.yaml" "/Library/Preferences/com.circleci.runner/launch-agent-config.yaml"
sudo chmod 600 "/Library/Preferences/com.circleci.runner/launch-agent-config.yaml"
Create and install the
com.circleci.runner.plist file with a path of
/Library/LaunchDaemons/com.circleci.runner.plist, owned by
root, with permissions
644. Use the following commands:
sudo touch /Library/LaunchDaemons/com.circleci.runner.plist
sudo chown root: /Library/LaunchDaemons/com.circleci.runner.plist
sudo chmod 644 /Library/LaunchDaemons/com.circleci.runner.plist
Copy the following to the new
<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd"> <plist version="1.0"> <dict> <key>Label</key> <string>com.circleci.runner</string> <key>Program</key> <string>/var/opt/circleci/circleci-launch-agent</string> <key>ProgramArguments</key> <array> <string>circleci-launch-agent</string> <string>--config</string> <string>/Library/Preferences/com.circleci.runner/launch-agent-config.yaml</string> </array> <key>RunAtLoad</key> <true/> <!-- The agent needs to run at all times --> <key>KeepAlive</key> <true/> <!-- This prevents macOS from limiting the resource usage of the agent --> <key>ProcessType</key> <string>Interactive</string> <!-- Increase the frequency of restarting the agent on failure, or post-update --> <key>ThrottleInterval</key> <integer>3</integer> <!-- Wait for 10 minutes for the agent to shut down (the agent itself waits for tasks to complete) --> <key>ExitTimeOut</key> <integer>600</integer> <!-- The agent uses its own logging and rotation to file --> <key>StandardOutPath</key> <string>/dev/null</string> <key>StandardErrorPath</key> <string>/dev/null</string> </dict> </plist>
Now you can load the service:
sudo launchctl load '/Library/LaunchDaemons/com.circleci.runner.plist'
|If you are following these instructions for a second time, use the command below to unload the existing service. Once the existing service is unloaded, you can load the new service with the command above.|
sudo launchctl unload '/Library/LaunchDaemons/com.circleci.runner.plist'
Referencing your self-hosted runner on a job
After setting up your self-hosted runner, you will need to reference it on a job by setting some fields in your
.circleci/config.yml file. The fields you must set for a specific job to run using your self-hosted runners are:
Here is a simple example of how you could set up a job:
version: 2.1 workflows: testing: jobs: - runner jobs: runner: machine: true resource_class: your-namespace/your-resource steps: - run: echo "Hi I'm on Runners!"
The job will then execute using your self-hosted runner when you push the config to your VCS provider.
Verify the service is running
Open the pre-installed macOS application Console. In this application, you can view the logs for the CircleCI agent under Log Reports. Look for the logs called
com.circleci.runner.log in the list. You can also find this file by navigating to Library > Logs.
Help make this document better
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