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LICENSE
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LICENSE
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MIT License
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Copyright (c) 2020 Adrien
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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53
README.md
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README.md
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# gitea-updater
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This script checks if Gitea is up to date, updates it if necessary and sends a message to a Telegram bot.
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## Introduction
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The trap to avoid when installing custom software is to update it. It seems obvious but it is never very easy because there is often a compilation part, interoperability management between bricks, backups and so on.
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## Requirements
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### Software
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It is clearly necessary to have deployed a Gitea instance on your server. I wrote an article about this topic here: https://illuad.fr/2020/08/01/install-a-gitea-server.html
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Since a message is sent to a Telegram bot, it is necessary to have one configured. I wrote an article about this topic here: https://illuad.fr/2020/10/27/get-a-telegram-alert-on-a-ssh-login-with-pam.html
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### System
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This script can run on any GNU/Linux machine.
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This script uses `curl` and `restorecon` commands but if you have followed my article, some of them are required which means they will necessarily be installed.
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## Installation
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Since this script must be executed with root rights, it is a good practice to place it in `/usr/local/sbin/`.
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```
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sudo curl -Lo /usr/local/sbin/gitea-updater -sSf https://gitea.illuad.fr/adrien/gitea-updater/raw/branch/master/gitea-updater
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sudo chmod 750 /usr/local/sbin/gitea-updater
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```
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## Configuration
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This script requires the configuration of 2 variables to work: `key` and `chat_id`.
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Variables `key` and `chat_id` correspond to the API key and the chat id obtained during the bot creation process.
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#### Fast variables setting
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For the `key` variable.
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```
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sudo sed -i "s/key=/key=<your_key>/" /usr/local/sbin/tls-checker
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```
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For the `chat_id` variable.
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```
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sudo sed -i "s/chat_id=/chat_id=<your_chat_id>/" /usr/local/sbin/tls-checker
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```
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## Automation
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Running this script automatically is a good idea, here is what you should have in the cron jobs of the root user.
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```
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sudo crontab -l
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0 1 * * * /usr/local/sbin/gitea-updater
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```
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Every day at 1:00 am, the script will check if the Gitea is up to date.
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58
gitea-updater
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gitea-updater
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#! /usr/bin/env bash
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# abort on nonzero exitstatus
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set -o errexit
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# abort on unbound variable
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set -o nounset
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# don't hide errors within pipes
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set -o pipefail
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# set your API key here
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key=
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# set your chat id here
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chat_id=
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function send_message {
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if [ $# -eq 0 ]
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then
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echo "No argument supplied. Please specify the message to send."
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else
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curl --silent --show-error --fail --request POST https://api.telegram.org/${key}/sendMessage --data chat_id=${chat_id} --data text="${1}" --output /dev/null
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fi
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}
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function update_gitea {
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systemctl stop gitea.service
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# download the latest version
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sudo curl --location --output /usr/local/bin/gitea --silent --show-error --fail https://dl.gitea.io/gitea/${1}/gitea-${1}-linux-amd64
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# set the correct permissions
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sudo chmod +x /usr/local/bin/gitea
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restorecon /usr/local/bin/gitea
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if systemctl start gitea.service
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then
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send_message "[Gitea] - Gitea has just been updated."
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else
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send_message "[Gitea] - Gitea service did not start correctly. Please log in as soon as possible and see what went wrong."
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fi
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}
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# retrieve local release
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local_release=$(/usr/local/bin/gitea --version | awk '{print $3}')
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# retrieve the latest release
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latest_release=$(curl -sSf "https://api.github.com/repos/go-gitea/gitea/releases/latest" | grep '"tag_name":' | sed --regexp-extended 's/.*"([^"]+)".*/\1/' | cut --characters=2-)
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# compare these two versions
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if [ ${latest_release} == ${local_release} ]
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then
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send_message "[Gitea] - Gitea is up to date."
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else
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send_message "[Gitea] - Gitea is not up to date (https://github.com/go-gitea/gitea/releases/tag/v${latest_release})."
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update_gitea ${latest_release}
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fi
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