mirror of
https://github.com/YunoHost-Apps/glitchsoc_ynh.git
synced 2024-09-03 19:15:59 +02:00
yalh76
GitHub
commit
be789105da
8 changed files with 223 additions and 33 deletions
12
README.md
12
README.md
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@ -30,18 +30,6 @@ Mastodon is a free, open-source social network. A decentralized alternative to c
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### Install
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#### Adding "swapfile" If you have less than 2Go of RAM
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```
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sudo dd if=/dev/zero of=/swapfile bs=1024 count=1024000
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sudo chmod 600 /swapfile
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sudo mkswap /swapfile
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sudo swapon /swapfile
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```
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add this line on /etc/fstab
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```
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/swapfile none swap sw 0 0
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```
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#### Using __screen__ in case of disconnect
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```
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$ sudo apt-get install screen
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11
README_fr.md
11
README_fr.md
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@ -28,17 +28,6 @@ Mastodon est un réseau social gratuit et open source. Une alternative décentra
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### Installation
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#### Ajout d'un "swapfile" si vous avez moins de 2Go de RAM
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```
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sudo dd if=/dev/zero of=/swapfile bs=1024 count=1024000
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sudo chmod 600 /swapfile
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sudo mkswap /swapfile
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sudo swapon /swapfile
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```
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ajouter cette ligne dans /etc/fstab
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```
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/swapfile none swap sw 0 0
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```
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#### Utilisation de __screen__ en cas de déconnection
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```
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$ sudo apt-get install screen
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@ -10,6 +10,8 @@ source _common.sh
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source ynh_install_ruby
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source ynh_add_extra_apt_repos__3
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source ynh_send_readme_to_admin__2
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source ynh_add_swap
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source ynh_check_ram
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source /usr/share/yunohost/helpers
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#=================================================
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@ -44,16 +46,6 @@ ynh_script_progression --message="Validating installation parameters..." --weigh
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final_path=/var/www/$app
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test ! -e "$final_path" || ynh_die --message="This path already contains a folder"
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if [ ${PACKAGE_CHECK_EXEC:-0} -eq 1 ]; then
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# TODO : to be factorized into a helper someday ? ;)
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MEM=$(free | grep "^Mem" | awk '{print $2}')
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SWAP=$(free | grep "^Swap" | awk '{print $2}')
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TOTAL_MEM_AND_SWAP=$(( ( $MEM+$SWAP ) / 1024 )) # In MB
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[[ $TOTAL_MEM_AND_SWAP -gt 2500 ]] || ynh_die "You need at least 2500 Mo of RAM+Swap to install Mastodon. Please consult the README to learn how to add swap."
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fi
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# Register (book) web path
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ynh_webpath_register --app=$app --domain=$domain --path_url=$path_url
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@ -133,6 +125,22 @@ ynh_system_user_create --username=$app --home_dir=$final_path
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#=================================================
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# SPECIFIC SETUP
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#=================================================
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# ADD SWAP IF NEEDED
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#=================================================
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total_memory=$(ynh_check_ram)
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total_swap=$(ynh_check_ram --only_swap)
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swap_needed=0
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if [ $total_memory -lt 2560 ]; then
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# Need a minimum of 8Go of memory
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swap_needed=$((2560 - $total_memory))
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fi
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ynh_script_progression --message="Adding $swap_needed Mo to swap..." --weight=1
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ynh_add_swap --size=$swap_needed
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#=================================================
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# INSTALLING RUBY AND BUNDLER
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#=================================================
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@ -9,6 +9,7 @@
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source _common.sh
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source ynh_install_ruby
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source ynh_add_extra_apt_repos__3
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source ynh_add_swap
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source /usr/share/yunohost/helpers
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#=================================================
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@ -102,6 +103,9 @@ ynh_remove_nginx_config
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# Remove a cron file
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ynh_secure_remove --file="/etc/cron.d/$app"
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# Remove swap
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ynh_del_swap
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#=================================================
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# GENERIC FINALIZATION
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#=================================================
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@ -10,6 +10,8 @@
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source ../settings/scripts/_common.sh
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source ../settings/scripts/ynh_install_ruby
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source ../settings/scripts/ynh_add_extra_apt_repos__3
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source ../settings/scripts/ynh_add_swap
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source ../settings/scripts/ynh_check_ram
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source /usr/share/yunohost/helpers
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#=================================================
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@ -80,6 +82,22 @@ chown -R $app: $final_path
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#=================================================
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# SPECIFIC RESTORATION
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#=================================================
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# ADD SWAP IF NEEDED
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#=================================================
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total_memory=$(ynh_check_ram)
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total_swap=$(ynh_check_ram --only_swap)
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swap_needed=0
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if [ $total_memory -lt 2560 ]; then
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# Need a minimum of 8Go of memory
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swap_needed=$((2560 - $total_memory))
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fi
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ynh_script_progression --message="Adding $swap_needed Mo to swap..." --weight=1
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ynh_add_swap --size=$swap_needed
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#=================================================
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# REINSTALL DEPENDENCIES
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#=================================================
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@ -9,6 +9,8 @@
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source _common.sh
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source ynh_install_ruby
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source ynh_add_extra_apt_repos__3
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source ynh_add_swap
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source ynh_check_ram
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source /usr/share/yunohost/helpers
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#=================================================
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@ -205,6 +207,22 @@ ynh_system_user_create --username=$app --home_dir=$final_path
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#=================================================
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# SPECIFIC UPGRADE
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#=================================================
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# ADD SWAP IF NEEDED
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#=================================================
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total_memory=$(ynh_check_ram)
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total_swap=$(ynh_check_ram --only_swap)
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swap_needed=0
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if [ $total_memory -lt 2560 ]; then
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# Need a minimum of 8Go of memory
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swap_needed=$((2560 - $total_memory))
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fi
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ynh_script_progression --message="Adding $swap_needed Mo to swap..." --weight=1
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ynh_add_swap --size=$swap_needed
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#=================================================
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# INSTALLING RUBY AND BUNDLER
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#=================================================
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93
scripts/ynh_add_swap
Normal file
93
scripts/ynh_add_swap
Normal file
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@ -0,0 +1,93 @@
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#!/bin/bash
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# Add swap
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#
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# usage: ynh_add_swap --size=SWAP in Mb
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# | arg: -s, --size= - Amount of SWAP to add in Mb.
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ynh_add_swap () {
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# Declare an array to define the options of this helper.
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declare -Ar args_array=( [s]=size= )
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local size
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# Manage arguments with getopts
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ynh_handle_getopts_args "$@"
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local swap_max_size=$(( $size * 1024 ))
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local free_space=$(df --output=avail / | sed 1d)
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# Because we don't want to fill the disk with a swap file, divide by 2 the available space.
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local usable_space=$(( $free_space / 2 ))
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SD_CARD_CAN_SWAP=${SD_CARD_CAN_SWAP:-0}
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# Swap on SD card only if it's is specified
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if ynh_is_main_device_a_sd_card && [ "$SD_CARD_CAN_SWAP" == "0" ]
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then
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ynh_print_warn --message="The main mountpoint of your system '/' is on an SD card, swap will not be added to prevent some damage of this one, but that can cause troubles for the app $app. If you still want activate the swap, you can relaunch the command preceded by 'SD_CARD_CAN_SWAP=1'"
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return
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fi
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# Compare the available space with the size of the swap.
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# And set a acceptable size from the request
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if [ $usable_space -ge $swap_max_size ]
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then
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local swap_size=$swap_max_size
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elif [ $usable_space -ge $(( $swap_max_size / 2 )) ]
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then
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local swap_size=$(( $swap_max_size / 2 ))
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elif [ $usable_space -ge $(( $swap_max_size / 3 )) ]
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then
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local swap_size=$(( $swap_max_size / 3 ))
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elif [ $usable_space -ge $(( $swap_max_size / 4 )) ]
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then
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local swap_size=$(( $swap_max_size / 4 ))
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else
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echo "Not enough space left for a swap file" >&2
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local swap_size=0
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fi
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# If there's enough space for a swap, and no existing swap here
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if [ $swap_size -ne 0 ] && [ ! -e /swap_$app ]
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then
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# Preallocate space for the swap file, fallocate may sometime not be used, use dd instead in this case
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if ! fallocate -l ${swap_size}K /swap_$app
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then
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dd if=/dev/zero of=/swap_$app bs=1024 count=${swap_size}
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fi
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chmod 0600 /swap_$app
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# Create the swap
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mkswap /swap_$app
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# And activate it
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swapon /swap_$app
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# Then add an entry in fstab to load this swap at each boot.
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echo -e "/swap_$app swap swap defaults 0 0 #Swap added by $app" >> /etc/fstab
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fi
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}
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ynh_del_swap () {
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# If there a swap at this place
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if [ -e /swap_$app ]
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then
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# Clean the fstab
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sed -i "/#Swap added by $app/d" /etc/fstab
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# Desactive the swap file
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swapoff /swap_$app
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# And remove it
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rm /swap_$app
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fi
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}
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# Check if the device of the main mountpoint "/" is an SD card
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#
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# [internal]
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#
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# return 0 if it's an SD card, else 1
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ynh_is_main_device_a_sd_card () {
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local main_device=$(lsblk --output PKNAME --noheadings $(findmnt / --nofsroot --uniq --output source --noheadings --first-only))
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if echo $main_device | grep --quiet "mmc" && [ $(tail -n1 /sys/block/$main_device/queue/rotational) == "0" ]
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then
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return 0
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else
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return 1
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fi
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}
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72
scripts/ynh_check_ram
Normal file
72
scripts/ynh_check_ram
Normal file
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@ -0,0 +1,72 @@
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#!/bin/bash
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# Check the amount of available RAM
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#
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# usage: ynh_check_ram [--required=RAM required in Mb] [--no_swap|--only_swap] [--free_ram]
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# | arg: -r, --required= - Amount of RAM required in Mb. The helper will return 0 is there's enough RAM, or 1 otherwise.
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# If --required isn't set, the helper will print the amount of RAM, in Mb.
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# | arg: -s, --no_swap - Ignore swap
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# | arg: -o, --only_swap - Ignore real RAM, consider only swap.
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# | arg: -f, --free_ram - Count only free RAM, not the total amount of RAM available.
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ynh_check_ram () {
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# Declare an array to define the options of this helper.
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declare -Ar args_array=( [r]=required= [s]=no_swap [o]=only_swap [f]=free_ram )
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local required
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local no_swap
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local only_swap
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# Manage arguments with getopts
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ynh_handle_getopts_args "$@"
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required=${required:-}
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no_swap=${no_swap:-0}
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only_swap=${only_swap:-0}
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local total_ram=$(vmstat --stats --unit M | grep "total memory" | awk '{print $1}')
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local total_swap=$(vmstat --stats --unit M | grep "total swap" | awk '{print $1}')
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local total_ram_swap=$(( total_ram + total_swap ))
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local free_ram=$(vmstat --stats --unit M | grep "free memory" | awk '{print $1}')
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local free_swap=$(vmstat --stats --unit M | grep "free swap" | awk '{print $1}')
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local free_ram_swap=$(( free_ram + free_swap ))
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# Use the total amount of ram
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local ram=$total_ram_swap
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if [ $free_ram -eq 1 ]
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then
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# Use the total amount of free ram
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ram=$free_ram_swap
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if [ $no_swap -eq 1 ]
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then
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# Use only the amount of free ram
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ram=$free_ram
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elif [ $only_swap -eq 1 ]
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then
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# Use only the amount of free swap
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ram=$free_swap
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fi
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else
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if [ $no_swap -eq 1 ]
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then
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# Use only the amount of free ram
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ram=$total_ram
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elif [ $only_swap -eq 1 ]
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then
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# Use only the amount of free swap
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ram=$total_swap
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fi
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fi
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if [ -n "$required" ]
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then
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# Return 1 if the amount of ram isn't enough.
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if [ $ram -lt $required ]
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then
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return 1
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else
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return 0
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fi
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# If no RAM is required, return the amount of available ram.
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else
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echo $ram
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fi
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}
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