YunoHost-Apps/discourse_ynh
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Update README and helpers

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This commit is contained in:
Jimmy Monin 2018-05-19 09:14:06 +02:00
parent 5be413e2dd
commit 20f21c4bbc
2 changed files with 26 additions and 21 deletions
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4
README.md
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@ -20,7 +20,9 @@ Moreover, you should have in mind Discourse [hardware requirements](https://gith
- 64 bit Linux compatible with Docker
- 10 GB disk space minimum
Finally, if installing on a low-end ARM device (e.g. Raspberry Pi), first access right after installation could take a couple of minutes.
Finally, if installing on a low-end ARM device (e.g. Raspberry Pi):
- installation can last up to 3 hours,
- first access right after installation could take a couple of minutes.
## Overview
[Discourse](http://www.discourse.org) is the 100% open source discussion platform built for the next decade of the Internet. Use it as a:

43
scripts/_common.sh
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@ -157,7 +157,6 @@ ynh_psql_execute_file_as_root() {
# | arg: pwd - Password of the database. If not given, a password will be generated
ynh_psql_setup_db () {
db_user="$1"
app="$1"
db_name="$2"
new_db_pwd=$(ynh_string_random) # Generate a random password
# If $3 is not given, use new_db_pwd instead for db_pwd.
@ -513,10 +512,10 @@ ynh_remove_ruby () {
# Returns true if upstream version is up to date
#
# This helper should be used to avoid an upgrade of the upstream version
# when it's not needed (but yet allowing to upgrade other part of the
# when it's not needed (but yet allowing to upgrade other parts of the
# YunoHost application (e.g. nginx conf)
#
# usage: ynh_is_upstream_up_to_date
# usage: ynh_is_upstream_up_to_date (returns a boolean)
ynh_is_upstream_up_to_date () {
local version=$(ynh_read_manifest "/etc/yunohost/apps/$YNH_APP_INSTANCE_NAME/manifest.json" "version" || echo 1.0)
version="${version/~ynh*/}"
@ -572,34 +571,28 @@ ynh_app_package_version () {
#
# usage: ynh_check_starting "Line to match" [Log file] [Timeout] [Service name]
#
# | arg: Log file - The log file to watch, specify "systemd" to read systemd journal for specified service
# | arg: Line to match - The line to find in the log to attest the service have finished to boot.
# | arg: Service name
# /var/log/$app/$app.log will be used if no other log is defined.
# | arg: Log file - The log file to watch; specify "systemd" to read systemd journal for specified service
# /var/log/$app/$app.log will be used if no other log is defined.
# | arg: Timeout - The maximum time to wait before ending the watching. Defaut 300 seconds.
# | arg: Service name
ynh_check_starting () {
local line_to_match="$1"
local service_name="${4:-$app}"
local app_log="${2:-/var/log/$service_name/$service_name.log}"
local timeout=${3:-300}
ynh_clean_check_starting () {
# Stop the execution of tail.
kill -s 15 $pid_tail 2>&1
ynh_secure_remove "$templog" 2>&1
}
echo "Starting of $service_name" >&2
systemctl stop $service_name
local templog="$(mktemp)"
# Following the starting of the app in its log
if [ "$app_log" == "systemd" ] ; then
# Read the systemd journal
journalctl -u $service_name -f --since=-45 > "$templog" &
else
# Read the specified log file
tail -F -n0 "$app_log" > "$templog" &
fi
if [ "$app_log" == "systemd" ] ; then
# Read the systemd journal
journalctl -u $service_name -f --since=-45 > "$templog" &
else
# Read the specified log file
tail -F -n0 "$app_log" > "$templog" &
fi
# Get the PID of the last command
local pid_tail=$!
systemctl start $service_name
@ -607,7 +600,7 @@ ynh_check_starting () {
local i=0
for i in `seq 1 $timeout`
do
# Read the log until the sentence is found, that means the app finished to start. Or run until the timeout
# Read the log until the sentence is found, which means the app finished starting. Or run until the timeout.
if grep --quiet "$line_to_match" "$templog"
then
echo "The service $service_name has correctly started." >&2
@ -624,3 +617,13 @@ ynh_check_starting () {
echo ""
ynh_clean_check_starting
}
# Clean temporary process and file used by ynh_check_starting
# (usually used in ynh_clean_setup scripts)
#
# usage: ynh_clean_check_starting
ynh_clean_check_starting () {
# Stop the execution of tail.
kill -s 15 $pid_tail 2>&1
ynh_secure_remove "$templog" 2>&1
}