#!/bin/bash
# Copyright 2023 The TensorFlow Authors. All Rights Reserved.
#
# 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,

## Tạo và Sử dụng các Biến Môi Trường

Bạn có thể **tạo** và sử dụng các biến môi trường trong **shell (terminal)**, mà không cần sử dụng Python:

//// tab | Linux, macOS, Windows Bash

<div class="termy">

```console
// Bạn có thể tạo một biến môi trường MY_NAME với
$ export MY_NAME="Wade Wilson"

// Sau đó bạn có thể sử dụng nó với các chương trình khác, như
$ echo "Hello $MY_NAME"

<div class="termy">

```console
$ bash scripts/format.sh
```

</div>

It will also auto-sort all your imports.

## Tests

There is a script that you can run locally to test all the code and generate coverage reports in HTML:

<div class="termy">

```console
$ bash scripts/test-cov-html.sh
```

</div>

#!/bin/bash

if [ -n "$TEST_DEBUG" ]; then
	set -x
fi

pkill minio
rm -rf /tmp/xl

if [ ! -f ./mc ]; then
	wget --quiet -O mc https://dl.minio.io/client/mc/release/linux-amd64/mc &&
		chmod +x mc
fi

export CI=true
export MINIO_KMS_AUTO_ENCRYPTION=on
export MINIO_KMS_SECRET_KEY=my-minio-key:OSMM+vkKUTCvQs9YL/CVMIMt43HFhkUpqJxTmGl6rYw=

(minio server http://localhost:9000/tmp/xl/{1...10}/disk{0...1} 2>&1 >/dev/null) &
pid=$!

環境変数は、アプリケーションの**設定**の管理や、Pythonの**インストール**などに役立ちます。

## 環境変数の作成と使用

環境変数は**シェル（ターミナル）**内で**作成**して使用でき、それらにPythonは不要です。

//// tab | Linux, macOS, Windows Bash

<div class="termy">

```console
// You could create an env var MY_NAME with
$ export MY_NAME="Wade Wilson"

// Then you could use it with other programs, like
$ echo "Hello $MY_NAME"

Hello Wade Wilson

#!/usr/bin/env bash

# shellcheck disable=SC2120
exit_1() {
	cleanup

	echo "minio1 ============"
	cat /tmp/minio1_1.log
	echo "minio2 ============"
	cat /tmp/minio2_1.log

	exit 1
}

cleanup() {
	echo -n "Cleaning up instances of MinIO ..."
	pkill minio || sudo pkill minio
	pkill -9 minio || sudo pkill -9 minio
	rm -rf /tmp/minio{1,2}
	echo "done"
}

cleanup

export MINIO_CI_CD=1

#!/bin/bash
# Copyright 2023 The TensorFlow Authors. All Rights Reserved.
#
# 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,

  done
  printf '%s' "$(
    cd "$basedir" || exit 1
    pwd
  )"
}

# concatenates all lines of a file
concat_lines() {
  if [ -f "$1" ]; then
    # Remove \r in case we run on Windows within Git Bash
    # and check out the repository with auto CRLF management
    # enabled. Otherwise, we may read lines that are delimited with
    # \r\n and produce $'-Xarg\r' rather than -Xarg due to word
    # splitting rules.

#!/usr/bin/env bash

# shellcheck disable=SC2120
exit_1() {
	cleanup

	echo "minio1 ============"
	cat /tmp/minio1_1.log
	echo "minio2 ============"
	cat /tmp/minio2_1.log
	echo "minio3 ============"
	cat /tmp/minio3_1.log

	exit 1
}

cleanup() {
	echo "Cleaning up instances of MinIO"
	pkill minio
	pkill -9 minio
	rm -rf /tmp/minio{1,2,3}
}

cleanup

unset MINIO_KMS_KES_CERT_FILE

Hier sind einige mögliche Ideen:

* Ein „Init-Container“ in Kubernetes, der vor Ihrem Anwendungs-Container ausgeführt wird
* Ein Bash-Skript, das die Vorab-Schritte ausführt und dann Ihre Anwendung startet
    * Sie benötigen immer noch eine Möglichkeit, *dieses* Bash-Skript zu starten/neu zu starten, Fehler zu erkennen, usw.

/// tip | Tipp