Installation and Deployment FAQ

1. Installation Questions

Successfully installed openYuanrong, but when running Python Driver program, error occurs: "ModuleNotFoundError: No module named 'yr'"

Cause: Multiple Python versions exist in current environment.

Solution: Use the Python version corresponding to when you installed openYuanrong to run the program.

2. Deployment Questions

Deploy openYuanrong on host, check cluster status through yr status command, worker node has not joined cluster

• Cause 1: Host firewall is enabled, ports used by openYuanrong components are not accessible.

  Solution: In non-production environments, you can temporarily disable firewall using the following commands and redeploy. In production environments, you need to open ports used by openYuanrong.

  systemctl stop firewalld
  systemctl disable firewalld
  

• Cause 2: openYuanrong versions installed on master and worker nodes are inconsistent. You can check installed version through pip show yr command.

  Solution: Reinstall the same openYuanrong version on each node.

Deploy openYuanrong on host, when checking cluster status through yr status command, error occurs: "Connect to etcd server failed.context deadline exceeded."

Cause: http_proxy/https_proxy proxy is configured in current environment.

Solution: Disable proxy configuration.