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https://github.com/YunoHost-Apps/photoprism_ynh.git
synced 2024-09-03 19:56:41 +02:00
Adding swap for build
This commit is contained in:
Limezy
parent
0658532f0d
commit
b9fab43b9d
3 changed files with 124 additions and 0 deletions
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@ -8,6 +8,7 @@
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source _common.sh
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source ynh_install_go
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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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@ -60,6 +61,20 @@ ynh_app_setting_set --app=$app --key=domain --value=$domain
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ynh_app_setting_set --app=$app --key=path --value=$path_url
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ynh_app_setting_set --app=$app --key=language --value=$language_key
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#=================================================
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# ADDING SWAP IF NEEDED
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#=================================================
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echo ynh_get_ram -t
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if [ $(ynh_get_ram -t) <= 2000 ]
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ynh_script_progression --message="Adding swap to help building Photoprism..." --time --weight=1
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ynh_add_swap --size=1000
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swapFlag = true
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else
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swapFlag = false
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fi
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echo ynh_get_ram -t
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#=================================================
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# STANDARD MODIFICATIONS
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#=================================================
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@ -151,6 +166,15 @@ pushd "$final_path"
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ynh_secure_remove --file="$final_path/go"
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popd
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#=================================================
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# REMOVING SWAP IF NEEDED
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#=================================================
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if [ swapFlag ]
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ynh_del_swap
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ynh_script_progression --message="Removing swap..." --time --weight=1
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fi
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#=================================================
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# CREATE DATA DIRECTORY
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#=================================================
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@ -8,6 +8,7 @@
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source _common.sh
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source ynh_install_go
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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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99
scripts/ynh_add_swap
Normal file
99
scripts/ynh_add_swap
Normal file
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@ -0,0 +1,99 @@
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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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# Create file
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truncate -s 0 /swap_$app
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# set the No_COW attribute on the swapfile with chattr
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chattr +C /swap_$app
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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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