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# Copyright 2024 Drengskapur
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# @title {display-mode:"form"}
# @markdown <br/><br/><center><img src="https://cdn.jsdelivr.net/gh/drengskapur/docker-in-colab/assets/docker.svg" height="150"><img src="https://cdn.jsdelivr.net/gh/drengskapur/docker-in-colab/assets/colab.svg" height="150"></center><br/>
# @markdown <center><h1>Docker in Colab</h1></center><center>github.com/drengskapur/docker-in-colab<br/><br/><br/><b>udocker("run hello-world")</b></center><br/>
def udocker_init():
    import os
    if not os.path.exists("/home/user"):
        !pip install udocker > /dev/null
        !udocker --allow-root install > /dev/null
        !useradd -m user > /dev/null
    print(f'Docker-in-Colab 1.1.0\n')
    print(f'Usage:     udocker("--help")')
    print(f'Examples:  https://github.com/indigo-dc/udocker?tab=readme-ov-file#examples')

    def execute(command: str):
        user_prompt = "\033[1;32muser@pc\033[0m"
        print(f"{user_prompt}$ udocker {command}")
        !su - user -c "udocker $command"

    return execute

udocker = udocker_init()

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udocker("run hello-world")

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Hello from Docker!

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udocker("--help")

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udocker("ps --help")

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udocker("run --help")