mirror of
https://github.com/YunoHost-Apps/gitlab_ynh.git
synced 2024-09-03 18:36:35 +02:00
Kayou
GitHub
commit
cbba241f44
5 changed files with 224 additions and 97 deletions
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@ -33,110 +33,165 @@ bool_to_true_false () {
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}
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#=================================================
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# WAIT
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# EXPERIMENTAL HELPERS
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#=================================================
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# Start (or other actions) a service, print a log in case of failure and optionnaly wait until the service is completely started
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#
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# usage: ynh_systemd_action [-n service_name] [-a action] [ [-l "line to match"] [-p log_path] [-t timeout] [-e length] ]
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# | arg: -n, --service_name= - Name of the service to start. Default : $app
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# | arg: -a, --action= - Action to perform with systemctl. Default: start
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# | arg: -l, --line_match= - Line to match - The line to find in the log to attest the service have finished to boot.
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# If not defined it don't wait until the service is completely started.
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# WARNING: When using --line_match, you should always add `ynh_clean_check_starting` into your
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# `ynh_clean_setup` at the beginning of the script. Otherwise, tail will not stop in case of failure
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# of the script. The script will then hang forever.
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# | arg: -p, --log_path= - Log file - Path to the log file. Default : /var/log/$app/$app.log
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# | arg: -t, --timeout= - Timeout - The maximum time to wait before ending the watching. Default : 300 seconds.
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# | arg: -e, --length= - Length of the error log : Default : 20
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ynh_systemd_action() {
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# Declare an array to define the options of this helper.
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declare -Ar args_array=( [n]=service_name= [a]=action= [l]=line_match= [p]=log_path= [t]=timeout= [e]=length= )
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local service_name
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local action
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local line_match
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local length
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local log_path
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local timeout
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# Add swap
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#
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# usage: ynh_add_swap --size=SWAP in Mb
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# | arg: -s, --size= - Amount of SWAP to add in Mb.
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ynh_add_swap () {
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# Declare an array to define the options of this helper.
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declare -Ar args_array=( [s]=size= )
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local size
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# Manage arguments with getopts
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ynh_handle_getopts_args "$@"
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local service_name="${service_name:-$app}"
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local action=${action:-start}
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local log_path="${log_path:-/var/log/$service_name/$service_name.log}"
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local length=${length:-20}
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local timeout=${timeout:-300}
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local swap_max_size=$(( $size * 1024 ))
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# Start to read the log
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if [[ -n "${line_match:-}" ]]
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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 && [ "$SD_CARD_CAN_SWAP" == "0" ]
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then
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local templog="$(mktemp)"
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# Following the starting of the app in its log
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if [ "$log_path" == "systemd" ] ; then
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# Read the systemd journal
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journalctl --unit=$service_name --follow --since=-0 --quiet > "$templog" &
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# Get the PID of the journalctl command
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local pid_tail=$!
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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 $(( $swap_max_size / 4 )) ]
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then
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local swap_size=$(( $swap_max_size / 4 ))
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else
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# Read the specified log file
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tail -F -n0 "$log_path" > "$templog" 2>&1 &
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# Get the PID of the tail command
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local pid_tail=$!
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fi
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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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ynh_print_info --message="${action^} the service $service_name"
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# Use reload-or-restart instead of reload. So it wouldn't fail if the service isn't running.
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if [ "$action" == "reload" ]; then
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action="reload-or-restart"
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fi
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systemctl $action $service_name \
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|| ( journalctl --no-pager --lines=$length -u $service_name >&2 \
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; test -e "$log_path" && echo "--" >&2 && tail --lines=$length "$log_path" >&2 \
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; false )
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# Start the timeout and try to find line_match
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if [[ -n "${line_match:-}" ]]
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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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local i=0
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for i in $(seq 1 $timeout)
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do
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# Read the log until the sentence is found, that means the app finished to start. Or run until the timeout
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if grep --quiet "$line_match" "$templog"
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then
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ynh_print_info --message="The service $service_name has correctly started."
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break
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fi
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if [ $i -eq 3 ]; then
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echo -n "Please wait, the service $service_name is ${action}ing" >&2
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fi
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if [ $i -ge 3 ]; then
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echo -n "." >&2
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fi
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sleep 1
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done
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if [ $i -ge 3 ]; then
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echo "" >&2
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fi
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if [ $i -eq $timeout ]
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then
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ynh_print_warn --message="The service $service_name didn't fully started before the timeout."
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ynh_print_warn --message="Please find here an extract of the end of the log of the service $service_name:"
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journalctl --no-pager --lines=$length -u $service_name >&2
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test -e "$log_path" && echo "--" >&2 && tail --lines=$length "$log_path" >&2
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fi
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ynh_clean_check_starting
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# Preallocate space for the swap file
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fallocate -l ${swap_size}K /swap_$app
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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 $app" >> /etc/fstab
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fi
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}
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# Clean temporary process and file used by ynh_check_starting
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# (usually used in ynh_clean_setup scripts)
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ynh_del_swap () {
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# If there a swap at this place
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if [ -e /swap_$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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# usage: ynh_clean_check_starting
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ynh_clean_check_starting () {
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# Stop the execution of tail.
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kill -s 15 $pid_tail 2>&1
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ynh_secure_remove "$templog" 2>&1
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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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# 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 $ram
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fi
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}
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@ -58,7 +58,7 @@ fi
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unicorn_worker_processes=$(($(nproc) + 1 ))
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# If the server has at least 2GB of RAM
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if [ $(free -g --si | grep Mem: | awk '{print $2}') -ge 2 ]; then
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if [ $(ynh_check_ram --no_swap) -ge 2000 ]; then
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# Min 3 worker processes
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unicorn_worker_processes=$(($unicorn_worker_processes>3?$unicorn_worker_processes:3))
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else
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@ -112,6 +112,28 @@ ynh_script_progression --message="Installing dependencies..." --weight=5
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ynh_install_app_dependencies $pkg_dependencies
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#=================================================
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# ADD SWAP IF NEEDED
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#=================================================
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total_memory=$(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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# https://docs.gitlab.com/ee/install/requirements.html#memory
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if [ $total_memory -lt 8192 ]; then
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# Need a minimum of 8Go of memory
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swap_needed=$((8192 - $total_memory))
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fi
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# Need at least 2Go of swap
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if [ $(($total_swap + $swap_needed)) -lt 2048 ]; then
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swap_needed=$((2048 - $total_swap))
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fi
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ynh_print_info "Adding $swap_needed to swap..."
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ynh_add_swap $swap_needed
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#=================================================
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# PRECONFIGURE GITLAB
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#=================================================
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@ -99,6 +99,10 @@ ynh_secure_remove --file="/var/opt/$app"
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# Remove the log files
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ynh_secure_remove --file="/var/log/$app"
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# Remove swap
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ynh_del_swap
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#=================================================
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# END OF SCRIPT
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#=================================================
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@ -61,6 +61,29 @@ ynh_script_progression --message="Reinstalling dependencies..." --weight=5
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# Define and install dependencies
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ynh_install_app_dependencies $pkg_dependencies
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#=================================================
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# ADD SWAP IF NEEDED
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#=================================================
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ynh_print_info "Adding swap..."
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total_memory=$(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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# https://docs.gitlab.com/ee/install/requirements.html#memory
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if [ $total_memory -lt 8192 ]; then
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# Need a minimum of 8Go of memory
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swap_needed=$((8192 - $total_memory))
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fi
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# Need at least 2Go of swap
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if [ $(($total_swap + $swap_needed)) -lt 2048 ]; then
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swap_needed=$((2048 - $total_swap))
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fi
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ynh_print_info "Adding $swap_needed to swap..."
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ynh_add_swap $swap_needed
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#=================================================
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# RESTORE CONF FILES
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#=================================================
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@ -179,6 +179,29 @@ ynh_script_progression --message="Installing dependencies..." --weight=5
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ynh_install_app_dependencies $pkg_dependencies
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#=================================================
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# ADD SWAP IF NEEDED
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#=================================================
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ynh_print_info "Adding swap..."
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total_memory=$(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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# https://docs.gitlab.com/ee/install/requirements.html#memory
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if [ $total_memory -lt 8192 ]; then
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# Need a minimum of 8Go of memory
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swap_needed=$((8192 - $total_memory))
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fi
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# Need at least 2Go of swap
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if [ $(($total_swap + $swap_needed)) -lt 2048 ]; then
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swap_needed=$((2048 - $total_swap))
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fi
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ynh_print_info "Adding $swap_needed to swap..."
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ynh_add_swap $swap_needed
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#=================================================
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# PRECONFIGURE GITLAB
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#=================================================
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