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https://github.com/YunoHost/yunohost.git
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112 lines
3.9 KiB
Bash
112 lines
3.9 KiB
Bash
#!/bin/bash
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# Use logrotate to manage the logfile
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#
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# usage: ynh_use_logrotate [--logfile=/log/file] [--nonappend] [--specific_user=user/group]
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# | arg: -l, --logfile= - absolute path of logfile
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# | arg: -n, --nonappend - (optional) Replace the config file instead of appending this new config.
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# | arg: -u, --specific_user= - run logrotate as the specified user and group. If not specified logrotate is runned as root.
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#
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# If no --logfile is provided, /var/log/${app} will be used as default.
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# logfile can be just a directory, or a full path to a logfile :
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# /parentdir/logdir
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# /parentdir/logdir/logfile.log
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#
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# It's possible to use this helper multiple times, each config will be added to
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# the same logrotate config file. Unless you use the option --non-append
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#
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# Requires YunoHost version 2.6.4 or higher.
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# Requires YunoHost version 3.2.0 or higher for the argument --specific_user
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ynh_use_logrotate () {
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# Declare an array to define the options of this helper.
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local legacy_args=lnuya
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local -A args_array=( [l]=logfile= [n]=nonappend [u]=specific_user= [y]=non [a]=append )
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# [y]=non [a]=append are only for legacy purpose, to not fail on the old option '--non-append'
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local logfile
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local nonappend
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local specific_user
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# Manage arguments with getopts
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ynh_handle_getopts_args "$@"
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logfile="${logfile:-}"
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nonappend="${nonappend:-0}"
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specific_user="${specific_user:-}"
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# LEGACY CODE - PRE GETOPTS
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if [ $# -gt 0 ] && [ "$1" == "--non-append" ]
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then
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nonappend=1
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# Destroy this argument for the next command.
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shift
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elif [ $# -gt 1 ] && [ "$2" == "--non-append" ]
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then
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nonappend=1
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fi
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if [ $# -gt 0 ] && [ "$(echo ${1:0:1})" != "-" ]
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then
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# If the given logfile parameter already exists as a file, or if it ends up with ".log",
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# we just want to manage a single file
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if [ -f "$1" ] || [ "$(echo ${1##*.})" == "log" ]
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then
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local logfile=$1
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# Otherwise we assume we want to manage a directory and all its .log file inside
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else
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local logfile=$1/*.log
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fi
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fi
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# LEGACY CODE
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local customtee="tee --append"
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if [ "$nonappend" -eq 1 ]; then
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customtee="tee"
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fi
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if [ -n "$logfile" ]
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then
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if [ ! -f "$1" ] && [ "$(echo ${logfile##*.})" != "log" ]; then # Keep only the extension to check if it's a logfile
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local logfile="$logfile/*.log" # Else, uses the directory and all logfile into it.
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fi
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else
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logfile="/var/log/${app}/*.log" # Without argument, use a defaut directory in /var/log
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fi
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local su_directive=""
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if [[ -n $specific_user ]]
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then
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su_directive=" # Run logorotate as specific user - group
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su ${specific_user%/*} ${specific_user#*/}"
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fi
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cat > ./${app}-logrotate << EOF # Build a config file for logrotate
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$logfile {
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# Rotate if the logfile exceeds 100Mo
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size 100M
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# Keep 12 old log maximum
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rotate 12
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# Compress the logs with gzip
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compress
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# Compress the log at the next cycle. So keep always 2 non compressed logs
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delaycompress
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# Copy and truncate the log to allow to continue write on it. Instead of move the log.
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copytruncate
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# Do not do an error if the log is missing
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missingok
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# Not rotate if the log is empty
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notifempty
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# Keep old logs in the same dir
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noolddir
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$su_directive
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}
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EOF
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mkdir --parents $(dirname "$logfile") # Create the log directory, if not exist
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cat ${app}-logrotate | $customtee /etc/logrotate.d/$app > /dev/null # Append this config to the existing config file, or replace the whole config file (depending on $customtee)
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}
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# Remove the app's logrotate config.
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#
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# usage: ynh_remove_logrotate
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#
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# Requires YunoHost version 2.6.4 or higher.
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ynh_remove_logrotate () {
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if [ -e "/etc/logrotate.d/$app" ]; then
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rm "/etc/logrotate.d/$app"
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fi
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}
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