Add .sh extension and improve control structure to avoid else statement
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README.md
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README.md
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# vaultwarden-updater
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This script checks if Vaultwarden 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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The trap to avoid when installing custom software is to update it. It seems obvious, but it is never very easy because
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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 Vaultwarden instance on your server. I wrote an article about this topic here: https://illuad.fr/2020/06/11/install-vaultwarden.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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It is clearly necessary to have deployed a Vaultwarden instance on your server. I wrote an article about this topic
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here: https://illuad.fr/2020/06/11/install-vaultwarden.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
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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 `git`, `cargo`, `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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This script uses `git`, `cargo`, `curl` and `restorecon` commands but if you have followed my article, some of them are
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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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curl -LOsSf https://gitea.illuad.fr/adrien/vaultwarden-updater/raw/branch/master/vaultwarden-updater
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sudo mv vaultwarden-updater /usr/local/sbin
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sudo chmod 750 /usr/local/sbin/vaultwarden-updater
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curl -LOsSf https://gitea.illuad.fr/adrien/vaultwarden-updater/raw/branch/master/vaultwarden-updater.sh
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sudo mv vaultwarden-updater.sh /usr/local/sbin
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sudo chmod 750 /usr/local/sbin/vaultwarden-updater.sh
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```
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Create the logs' directory.
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@ -32,35 +41,39 @@ sudo mkdir -p /var/log/updater/vaultwarden-updater
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```
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## Configuration
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This script requires the configuration of 3 variables to work: `key`, `chat_id` and `username`.
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Variables `key` and `chat_id` correspond to the API key and the chat id obtained during the bot creation process. The variable `username` must match the username with which you installed Vaultwarden.
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Variables `key` and `chat_id` correspond to the API key and the chat id obtained during the bot creation process. The
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variable `username` must match the username with which you installed Vaultwarden.
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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/vaultwarden-updater
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sudo sed -i "s/key=/key=<your_key>/" /usr/local/sbin/vaultwarden-updater.sh
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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/vaultwarden-updater
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sudo sed -i "s/chat_id=/chat_id=<your_chat_id>/" /usr/local/sbin/vaultwarden-updater.sh
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```
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For the `username` variable.
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```
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sudo sed -i "s/username=/username=<your_username>/" /usr/local/sbin/vaultwarden-updater
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sudo sed -i "s/username=/username=<your_username>/" /usr/local/sbin/vaultwarden-updater.sh
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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/vaultwarden-updater
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0 1 * * * /usr/local/sbin/vaultwarden-updater.sh
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```
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Every day at 1:00 am, the script will check if Vaultwarden is up to date.
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@ -1,4 +1,4 @@
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#! /usr/bin/env bash
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#!/usr/bin/env bash
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# All executed commands are printed to stdout
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set -x
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@ -25,11 +25,13 @@ chat_id=
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username=
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function send_message() {
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if [ $# -eq 0 ]; then
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echo "No argument supplied, please specify the message to send"
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else
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if ! [ $# -eq 0 ]; then
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curl --silent --show-error --fail --request POST "https://api.telegram.org/$key/sendMessage" --data chat_id="$chat_id" --data text="$1" --output /dev/null
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exit
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fi
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echo "No argument supplied, please specify the message to send"
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exit 1
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}
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function update_vaultwarden {
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@ -46,15 +48,16 @@ function update_vaultwarden {
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mv /tmp/vaultwarden/target/release/vaultwarden /usr/local/bin/vaultwarden
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# Set the correct permissions
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/usr/bin/chown root:vaultwarden /usr/local/bin/vaultwarden
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/usr/bin/chmod 750 /usr/local/bin/vaultwarden
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/usr/sbin/restorecon /usr/local/bin/vaultwarden
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chown root:vaultwarden /usr/local/bin/vaultwarden
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chmod 750 /usr/local/bin/vaultwarden
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restorecon /usr/local/bin/vaultwarden
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if systemctl start vaultwarden.service; then
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send_message "[Vaultwarden] - Vaultwarden has just been updated"
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else
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if ! systemctl start vaultwarden.service; then
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send_message "[Vaultwarden] - Vaultwarden service did not start correctly. Please log in as soon as possible and see what went wrong"
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exit 1
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fi
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send_message "[Vaultwarden] - Vaultwarden has just been updated"
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}
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# Retrieve local release
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@ -64,9 +67,9 @@ local_release=$(/usr/local/bin/vaultwarden --version | awk --field-separator '-'
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latest_release=$(git ls-remote https://github.com/dani-garcia/vaultwarden.git HEAD | awk '{print substr($1, 1, length($1) - 32)}')
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# Compare these two versions
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if [ "$latest_release" == "$local_release" ]; then
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send_message "[Vaultwarden] - Vaultwarden is up to date"
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else
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if ! [ "$latest_release" == "$local_release" ]; then
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send_message "[Vaultwarden] - Vaultwarden is not up to date (https://github.com/dani-garcia/vaultwarden/commit/$latest_release)"
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update_vaultwarden
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fi
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send_message "[Vaultwarden] - Vaultwarden is up to date"
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