submit.yml.erb

<%
   pwd_cfg = "c.ServerApp.password=u\'sha1:${SALT}:${PASSWORD_SHA1}\'"
   host_port_cfg = "c.ServerApp.base_url=\'/node/${HOST_CFG}/${PORT_CFG}/\'"

   configmap_filename = "ondemand_config.py"
   configmap_data = "c.NotebookApp.port = 8080"
   utility_img = "ghcr.io/nesi/training-environment-k8s-utils:v0.1.0"

   user = OodSupport::User.new

   services_node = Resolv.getaddress("servicesnode")
%>
---
script:
  accounting_id: "<%= account %>"
  wall_time: "<%= wall_time.to_i * 3600 %>"
  native:
    container:
      name: "ml101"
      image: "ghcr.io/nesi/training-environment-jupyter-ml101-app:v0.2.5"
      command: ["/bin/bash","-l","<%= staged_root %>/job_script_content.sh"]
      working_dir: "<%= Etc.getpwnam(ENV['USER']).dir %>"
      restart_policy: 'OnFailure'
      env:
        NB_UID: "<%= user.uid %>"
        NB_USER: "<%= user.name %>"
        NB_GID: "<%= user.group.id %>"
        HOME: "<%= user.home %>"
        LOG_DIR: "<%= staged_root %>"
        SHELL: "/bin/bash"
      port: "8080"
      cpu: "<%= cpu %>"
      memory: "<%= memory %>Gi"
    mounts:
      - type: nfs
        name: home
        host: <%= services_node %>
        path: /srv/homes
        destination_path: /home/shared
      - type: host
        name: nslcd-socket
        host_type: Socket
        path: /var/run/nslcd/socket
        destination_path: /var/run/nslcd/socket
      - type: host
        name: nsswitch-conf
        host_type: File
        path: /etc/nsswitch.conf
        destination_path: /etc/nsswitch.conf
    configmap:
      files:
        - filename: "<%= configmap_filename %>"
          data: |
            c.ServerApp.ip = '0.0.0.0'
            c.ServerApp.port = 8080
            c.ServerApp.port_retries = 0
            c.ServerApp.open_browser = False
            c.ServerApp.allow_origin = '*'
            c.ServerApp.root_dir = '<%= user.home %>/sklearn_tutorial'
            c.ServerApp.disable_check_xsrf = True
          mount_path: '/ood'
    init_containers:
    - name: "init-secret"
      image: "<%= utility_img %>"
      command: 
      - "/bin/save_passwd_as_secret"
      - "user-<%= user.name %>"
    - name: "add-passwd-to-cfg"
      image: "<%= utility_img %>"
      command:
      - "/bin/bash"
      - "-c"
      - "source /bin/passwd_from_secret; source /bin/create_salt_and_sha1; /bin/add_line_to_configmap \\\"<%= pwd_cfg %>\\\" <%= configmap_filename %>"
    - name: "add-hostport-to-cfg"
      image: "<%= utility_img %>"
      command:
      - "/bin/bash"
      - "-c"
      - "source /bin/find_host_port; /bin/add_line_to_configmap \\\"<%= host_port_cfg %>\\\" <%= configmap_filename %>"