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Dir : ~/proc/thread-self/root/var/lib/dpkg/info/
View File Name : varnish.postinst

#!/bin/sh

# Postinst script for varnish.
# Stig Sandbeck Mathisen <ssm@debian.org>

set -e
set -u

# Settings
daemon_group="varnish"
daemon_user="varnish"
worker_user="vcache"
log_user="varnishlog"
daemon_dir=/var/lib/varnish/$(uname -n)
log_dir="/var/log/varnish"


ensure_users() {

    # Daemon user and group
    if ! getent passwd $daemon_user 2>&1 >/dev/null; then
        adduser --quiet --system --no-create-home --home /nonexistent --group $daemon_user
    fi

    # Extra users in daemon group
    for user in $worker_user $log_user; do
        if ! getent passwd $user 2>&1 >/dev/null; then
            adduser --quiet --system --no-create-home --home /nonexistent --ingroup $daemon_group $user
        fi
    done

}

varnish_create_storagedir() {
    if ! [ -d "$daemon_dir" ]; then
        install -o $daemon_user -g $daemon_user -d $daemon_dir
    fi
}

varnish_setup_logdir() {
    if ! dpkg-statoverride --list $log_dir >/dev/null; then
        dpkg-statoverride --update --add $log_user $daemon_group 0750 $log_dir
    fi
}

# In varnish 4.1, the varnish shared memory log is readable by the "varnish"
# group, instead of by everyone.  We need to update the "varnishlog" user to
# reflect this, as well as the permissions on /var/log/varnish
change_group_for_varnishlog_user() {
    usermod -g $daemon_group $log_user
    dpkg-statoverride --remove $log_dir
    dpkg-statoverride --update --add $log_user $daemon_group 0750 $log_dir
}

case ${1:-} in
    configure)

        ensure_users

        varnish_create_storagedir
        varnish_setup_logdir

        if dpkg --compare-versions "4.1.0-2~" "gt-nl" "${2:-}"; then
            change_group_for_varnishlog_user
        fi
        ;;
esac

# Automatically added by dh_systemd_enable/13.11.4
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
	# The following line should be removed in trixie or trixie+1
	deb-systemd-helper unmask 'varnish.service' >/dev/null || true

	# was-enabled defaults to true, so new installations run enable.
	if deb-systemd-helper --quiet was-enabled 'varnish.service'; then
		# Enables the unit on first installation, creates new
		# symlinks on upgrades if the unit file has changed.
		deb-systemd-helper enable 'varnish.service' >/dev/null || true
	else
		# Update the statefile to add new symlinks (if any), which need to be
		# cleaned up on purge. Also remove old symlinks.
		deb-systemd-helper update-state 'varnish.service' >/dev/null || true
	fi
fi
# End automatically added section
# Automatically added by dh_systemd_enable/13.11.4
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
	if deb-systemd-helper debian-installed 'varnishncsa.service'; then
		# The following line should be removed in trixie or trixie+1
		deb-systemd-helper unmask 'varnishncsa.service' >/dev/null || true

		if deb-systemd-helper --quiet was-enabled 'varnishncsa.service'; then
			# Create new symlinks, if any.
			deb-systemd-helper enable 'varnishncsa.service' >/dev/null || true
		fi
	fi

	# Update the statefile to add new symlinks (if any), which need to be cleaned
	# up on purge. Also remove old symlinks.
	deb-systemd-helper update-state 'varnishncsa.service' >/dev/null || true
fi
# End automatically added section
# Automatically added by dh_systemd_start/13.11.4
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
	if [ -d /run/systemd/system ]; then
		systemctl --system daemon-reload >/dev/null || true
		if [ -n "$2" ]; then
			_dh_action=restart
		else
			_dh_action=start
		fi
		deb-systemd-invoke $_dh_action 'varnish.service' >/dev/null || true
	fi
fi
# End automatically added section
# Automatically added by dh_systemd_start/13.11.4
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
	if [ -z "${DPKG_ROOT:-}" ] && [ -d /run/systemd/system ]; then
		systemctl --system daemon-reload >/dev/null || true
		if [ -n "$2" ]; then
			deb-systemd-invoke try-restart 'varnishncsa.service' >/dev/null || true
		fi
	fi
fi
# End automatically added section
# Automatically added by dh_installinit/13.11.4
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
	if [ -z "${DPKG_ROOT:-}" ] && [ -x "/etc/init.d/varnish" ]; then
		update-rc.d varnish defaults >/dev/null
		if [ -n "$2" ]; then
			_dh_action=restart
		else
			_dh_action=start
		fi
		invoke-rc.d varnish $_dh_action || exit 1
	fi
fi
# End automatically added section