inventory-ansible.pkgx

#!/usr/bin/env -S pkgx --silent +gnu.org/bash^5 bash
function get_ssh_key_path {
  if [[ -z ${CONSTRUCTOR_SSH_KEY_PATH} || ! -v CONSTRUCTOR_SSH_KEY_PATH ]]; then
    printf -v CONSTRUCTOR_SSH_KEY_PATH \
           '%s' \
           "$(task -s --taskfile ${parent_script_dir_path}/Taskfile.yml constructor:get_ssh_key_path)"
  fi
}
function get_remote_fqdn {
  if [[ -z ${REMOTE_FQDN} || ! -v REMOTE_FQDN ]]; then
    printf -v REMOTE_FQDN \
           '%s' \
           "$(task -s --taskfile ${parent_script_dir_path}/Taskfile.yml constructor:get_remote_fqdn)"
  fi
}
function get_remote_user {
  if [[ -z ${REMOTE_USER} || ! -v REMOTE_USER ]]; then
    printf -v REMOTE_USER \
           '%s' \
           "$(task -s --taskfile ${parent_script_dir_path}/Taskfile.yml constructor:get_remote_user)"
  fi
}


function main {
  local -r script_path="$(realpath "${BASH_SOURCE[0]}")"
  local -r script_dir_path="$(dirname "${script_path}")"
  local -r parent_script_dir_path="$(dirname "${script_dir_path}")"
  local -r temp_dir_path="${script_dir_path}/temp"
  local -r inventory_file_name='inventory.json'
  local -r inventory_file_path="${temp_dir_path}/${inventory_file_name}"
  mkdir -p "${temp_dir_path}"
  
  get_remote_fqdn
  get_remote_user
  get_ssh_key_path

  cat <<EOF > "${inventory_file_path}"
{
  "targets": {
    "hosts": ["${REMOTE_FQDN:-UNSET}"],
    "vars": {
        "ansible_host": "${REMOTE_FQDN:-UNSET}",
        "ansible_user": "${REMOTE_USER:-UNSET}",
        "hub_persistent_volume_path": "${HUB_PERSISTENT_VOLUME_PATH:-UNSET}",
        "fileserver_export_path": "${FILESERVER_EXPORT_PATH:-UNSET}",
        "jupyterhub_fqdn": "${JUPYTERHUB_FQDN:-UNSET}"
    }
  }
}
EOF

  cat "${inventory_file_path}"
}

main