Error Running ansible-playbook on slurm-cluster: Docker-ce Repository Activation Issue

[sikso1892]

Environment:

• Ansible version:

  $ ansible --version
  ansible [core 2.11.12]
  config file = /home/moonsik/work/deepops/ansible.cfg
  configured module search path = ['/home/moonsik/work/deepops/submodules/kubespray/library']
  ansible python module location = /opt/deepops/env/lib/python3.6/site-packages/ansible
  ansible collection location = /home/moonsik/work/deepops/collections
  executable location = /opt/deepops/env/bin/ansible
  python version = 3.6.9 (default, Mar 10 2023, 16:46:00) [GCC 8.4.0]
  jinja version = 2.11.3
  libyaml = True

• Operating System: Ubuntu 18.04
• DeepOps version: 23.08

Issue Description:

I am experiencing an issue with setting up a Slurm cluster using the DeepOps project. The error occurs when executing the ansible-playbook command as follows:

ansible-playbook -l slurm-cluster playbooks/slurm-cluster.yml

Error Message:

The task to enable the Docker CE repository fails with the following error:

TASK [../../submodules/kubespray/roles/container-engine/docker : ensure docker-ce repository is enabled] ********************************************************************************************************
failed: [novo-18] (item=deb [arch=amd64] https://download.docker.com/linux/ubuntu bionic stable
) => changed=false
  ansible_loop_var: item
  item: |-
    deb [arch=amd64] https://download.docker.com/linux/ubuntu bionic stable
  msg: 'Error: Module unable to decode valid JSON on stdin.  Unable to figure out what parameters were passed'

PLAY RECAP ******************************************************************************************************************************************************************************************************
novo-18                    : ok=62   changed=1    unreachable=0    failed=1    skipped=46   rescued=0    ignored=1
novo-200                   : ok=23   changed=1    unreachable=0    failed=0    skipped=9    rescued=0    ignored=1

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