mirror of
https://github.com/ckaczor/azuredatastudio.git
synced 2026-01-13 17:22:15 -05:00
92 lines
2.5 KiB
Bash
92 lines
2.5 KiB
Bash
#!/bin/bash
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NONROOT_USER=node
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LOG=/tmp/container-init.log
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# Execute the command it not already running
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startInBackgroundIfNotRunning()
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{
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log "Starting $1."
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echo -e "\n** $(date) **" | sudoIf tee -a /tmp/$1.log > /dev/null
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if ! pidof $1 > /dev/null; then
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keepRunningInBackground "$@"
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while ! pidof $1 > /dev/null; do
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sleep 1
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done
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log "$1 started."
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else
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echo "$1 is already running." | sudoIf tee -a /tmp/$1.log > /dev/null
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log "$1 is already running."
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fi
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}
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# Keep command running in background
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keepRunningInBackground()
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{
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($2 sh -c "while :; do echo [\$(date)] Process started.; $3; echo [\$(date)] Process exited!; sleep 5; done 2>&1" | sudoIf tee -a /tmp/$1.log > /dev/null & echo "$!" | sudoIf tee /tmp/$1.pid > /dev/null)
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}
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# Use sudo to run as root when required
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sudoIf()
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{
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if [ "$(id -u)" -ne 0 ]; then
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sudo "$@"
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else
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"$@"
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fi
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}
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# Use sudo to run as non-root user if not already running
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sudoUserIf()
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{
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if [ "$(id -u)" -eq 0 ]; then
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sudo -u ${NONROOT_USER} "$@"
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else
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"$@"
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fi
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}
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# Log messages
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log()
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{
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echo -e "[$(date)] $@" | sudoIf tee -a $LOG > /dev/null
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}
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log "** SCRIPT START **"
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# Start dbus.
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log 'Running "/etc/init.d/dbus start".'
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if [ -f "/var/run/dbus/pid" ] && ! pidof dbus-daemon > /dev/null; then
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sudoIf rm -f /var/run/dbus/pid
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fi
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sudoIf /etc/init.d/dbus start 2>&1 | sudoIf tee -a /tmp/dbus-daemon-system.log > /dev/null
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while ! pidof dbus-daemon > /dev/null; do
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sleep 1
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done
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# Set up Xvfb.
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startInBackgroundIfNotRunning "Xvfb" sudoIf "Xvfb ${DISPLAY:-:1} +extension RANDR -screen 0 ${MAX_VNC_RESOLUTION:-1920x1080x16}"
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# Start fluxbox as a light weight window manager.
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startInBackgroundIfNotRunning "fluxbox" sudoUserIf "dbus-launch startfluxbox"
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# Start x11vnc
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startInBackgroundIfNotRunning "x11vnc" sudoIf "x11vnc -display ${DISPLAY:-:1} -rfbport ${VNC_PORT:-5901} -localhost -no6 -xkb -shared -forever -passwdfile $HOME/.vnc/passwd"
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# Set resolution
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/usr/local/bin/set-resolution ${VNC_RESOLUTION:-1280x720} ${VNC_DPI:-72}
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# Spin up noVNC if installed and not runnning.
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if [ -d "/usr/local/novnc" ] && [ "$(ps -ef | grep /usr/local/novnc/noVNC*/utils/launch.sh | grep -v grep)" = "" ]; then
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keepRunningInBackground "noVNC" sudoIf "/usr/local/novnc/noVNC*/utils/launch.sh --listen ${NOVNC_PORT:-6080} --vnc localhost:${VNC_PORT:-5901}"
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log "noVNC started."
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else
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log "noVNC is already running or not installed."
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fi
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# Run whatever was passed in
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log "Executing \"$@\"."
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"$@"
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log "** SCRIPT EXIT **"
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