145 lines
3.7 KiB
Bash
145 lines
3.7 KiB
Bash
#!/usr/bin/env sh
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LOG_DIR=/rpxy/log
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LOG_FILE=${LOG_DIR}/rpxy.log
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LOG_SIZE=10M
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LOG_NUM=10
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LOGGING=${LOG_TO_FILE:-false}
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USER=${HOST_USER:-rpxy}
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USER_ID=${HOST_UID:-900}
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GROUP_ID=${HOST_GID:-900}
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#######################################
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# Setup logrotate
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function setup_logrotate () {
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if [ $LOGROTATE_NUM ]; then
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LOG_NUM=${LOGROTATE_NUM}
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fi
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if [ $LOGROTATE_SIZE ]; then
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LOG_SIZE=${LOGROTATE_SIZE}
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fi
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cat > /etc/logrotate.conf << EOF
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# see "man logrotate" for details
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# rotate log files weekly
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weekly
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# use the adm group by default, since this is the owning group
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# of /var/log/syslog.
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# su root adm
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# keep 4 weeks worth of backlogs
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rotate 4
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# create new (empty) log files after rotating old ones
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create
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# use date as a suffix of the rotated file
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#dateext
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# uncomment this if you want your log files compressed
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#compress
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# packages drop log rotation information into this directory
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include /etc/logrotate.d
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# system-specific logs may be also be configured here.
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EOF
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cat > /etc/logrotate.d/rpxy.conf << EOF
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${LOG_FILE} {
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dateext
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daily
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missingok
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rotate ${LOG_NUM}
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notifempty
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compress
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delaycompress
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dateformat -%Y-%m-%d-%s
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size ${LOG_SIZE}
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copytruncate
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su ${USER} ${USER}
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}
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EOF
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}
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#######################################
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function setup_ubuntu () {
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id ${USER} > /dev/null
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# Check the existence of the user, if not exist, create it.
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if [ $? -eq 1 ]; then
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echo "rpxy: Create user ${USER} with ${USER_ID}:${GROUP_ID}"
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groupadd -g ${GROUP_ID} ${USER}
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useradd -u ${USER_ID} -g ${GROUP_ID} ${USER}
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fi
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# for crontab when logging
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if "${LOGGING}"; then
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# Set up logrotate
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setup_logrotate
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# Setup cron
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mkdir -p /etc/cron.15min/
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cp -p /etc/cron.daily/logrotate /etc/cron.15min/
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echo "*/15 * * * * root cd / && run-parts --report /etc/cron.15min" >> /etc/crontab
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# cp -p /etc/cron.daily/logrotate /etc/cron.hourly/
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service cron start
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fi
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}
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#######################################
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function setup_alpine () {
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id ${USER} > /dev/null
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# Check the existence of the user, if not exist, create it.
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if [ $? -eq 1 ]; then
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echo "rpxy: Create user ${USER} with ${USER_ID}:${GROUP_ID}"
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addgroup -g ${GROUP_ID} ${USER}
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adduser -H -D -u ${USER_ID} -G ${USER} ${USER}
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fi
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# for crontab when logging
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if "${LOGGING}"; then
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# Set up logrotate
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setup_logrotate
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# Setup cron
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cp -f /etc/periodic/daily/logrotate /etc/periodic/15min
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crond -b -l 8
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fi
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}
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#######################################
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if [ $(whoami) != "root" -o $(id -u) -ne 0 -a $(id -g) -ne 0 ]; then
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echo "Do not execute 'docker run' or 'docker-compose up' with a specific user through '-u'."
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echo "If you want to run 'rpxy' with a specific user, use HOST_USER, HOST_UID and HOST_GID environment variables."
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exit 1
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fi
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# Check gosu or su-exec, determine linux distribution, and set up user
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if [ $(command -v gosu) ]; then
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# Ubuntu Linux
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alias gosu='gosu'
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setup_ubuntu
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LINUX="Ubuntu"
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elif [ $(command -v su-exec) ]; then
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# Alpine Linux
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alias gosu='su-exec'
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setup_alpine
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LINUX="Alpine"
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else
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echo "Unknown distribution!"
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exit 1
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fi
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# Check the given user and its uid:gid
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if [ $(id -u ${USER}) -ne ${USER_ID} -a $(id -g ${USER}) -ne ${GROUP_ID} ]; then
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echo "${USER} exists or was previously created. However, its uid and gid are inconsistent. Please recreate your container."
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exit 1
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fi
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# Change permission according to the given user
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chown -R ${USER_ID}:${USER_ID} /rpxy
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# Run rpxy
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echo "rpxy: Start with user: ${USER} (${USER_ID}:${GROUP_ID})"
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if "${LOGGING}"; then
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echo "rpxy: Start with writing log file"
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gosu ${USER} sh -c "/rpxy/run.sh 2>&1 | tee ${LOG_FILE}"
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else
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echo "rpxy: Start without writing log file"
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gosu ${USER} sh -c "/rpxy/run.sh 2>&1"
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fi
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