lxc1 2.0.7-0ubuntu1~16.04.2 / postinst

This file is indexed.

postinst is in lxc1 2.0.7-0ubuntu1~16.04.2.

This file is a maintainer script. It is executed when installing (*inst) or removing (*rm) the package.

The actual contents of the file can be viewed below. 

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#!/bin/sh
# postinst script for lxc
#
# see: dh_installdeb(1)

set -e

# summary of how this script can be called:
#        * <postinst> `configure' <most-recently-configured-version>
#        * <old-postinst> `abort-upgrade' <new version>
#        * <conflictor's-postinst> `abort-remove' `in-favour' <package>
#          <new-version>
#        * <postinst> `abort-remove'
#        * <deconfigured's-postinst> `abort-deconfigure' `in-favour'
#          <failed-install-package> <version> `removing'
#          <conflicting-package> <version>
# for details, see http://www.debian.org/doc/debian-policy/ or
# the debian-policy package

add_users()
{
    if ! getent group lxc-dnsmasq >/dev/null; then
        addgroup --quiet --system lxc-dnsmasq
    fi

    if ! getent passwd lxc-dnsmasq >/dev/null; then
        adduser --quiet \
            --system \
            --ingroup lxc-dnsmasq \
            --quiet \
            --disabled-login \
            --disabled-password \
            --home /var/lib/lxc \
            --no-create-home \
            -gecos "LXC dnsmasq" \
            lxc-dnsmasq
    fi
}

case "$1" in
    configure)
        add_users
    ;;

    abort-upgrade|abort-remove|abort-deconfigure)
    ;;

    *)
        echo "postinst called with unknown argument \`$1'" >&2
        exit 1
    ;;
esac

# dh_installdeb will replace this with shell code automatically
# generated by other debhelper scripts.

# Automatically added by dh_systemd_enable
# This will only remove masks created by d-s-h on package removal.
deb-systemd-helper unmask lxc-net.service >/dev/null || true

# was-enabled defaults to true, so new installations run enable.
if deb-systemd-helper --quiet was-enabled lxc-net.service; then
	# Enables the unit on first installation, creates new
	# symlinks on upgrades if the unit file has changed.
	deb-systemd-helper enable lxc-net.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 lxc-net.service >/dev/null || true
fi
# End automatically added section
# Automatically added by dh_systemd_enable
# This will only remove masks created by d-s-h on package removal.
deb-systemd-helper unmask lxc.service >/dev/null || true

# was-enabled defaults to true, so new installations run enable.
if deb-systemd-helper --quiet was-enabled lxc.service; then
	# Enables the unit on first installation, creates new
	# symlinks on upgrades if the unit file has changed.
	deb-systemd-helper enable lxc.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 lxc.service >/dev/null || true
fi
# End automatically added section
# Automatically added by dh_installinit
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ]; then
	if [ -x "/etc/init.d/lxc-net" ]; then
		update-rc.d lxc-net defaults >/dev/null
	fi
	if [ -x "/etc/init.d/lxc-net" ] || [ -e "/etc/init/lxc-net.conf" ]; then
		invoke-rc.d lxc-net start || exit $?
	fi
fi
# End automatically added section
# Automatically added by dh_installinit
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ]; then
	if [ -x "/etc/init.d/lxc-instance" ]; then
		update-rc.d lxc-instance defaults >/dev/null || exit $?
	fi
fi
# End automatically added section
# Automatically added by dh_systemd_start
if [ -d /run/systemd/system ]; then
	systemctl --system daemon-reload >/dev/null || true
	deb-systemd-invoke start lxc-net.service lxc.service >/dev/null || true
fi
# End automatically added section
# Automatically added by dh_installdeb
dpkg-maintscript-helper mv_conffile /etc/apparmor.d/abstractions/lxc-container-default /etc/apparmor.d/abstractions/lxc/container-base 0.8.0~rc1-4ubuntu18 lxc -- "$@"
# End automatically added section
# Automatically added by dh_installdeb
dpkg-maintscript-helper mv_conffile /etc/apparmor.d/abstractions/lxc-start-container /etc/apparmor.d/abstractions/lxc/start-container 0.8.0~rc1-4ubuntu18 lxc -- "$@"
# End automatically added section
# Automatically added by dh_installdeb
dpkg-maintscript-helper mv_conffile /etc/dnsmasq.d/lxc /etc/dnsmasq.d-available/lxc 0.8.0~rc1-4ubuntu48 lxc -- "$@"
# End automatically added section
# Automatically added by dh_installdeb
dpkg-maintscript-helper mv_conffile /etc/lxc/lxc.conf /etc/lxc/default.conf 0.9.0~alpha2-0ubuntu1+b1~bzr1108-28~ lxc -- "$@"
# End automatically added section


# We need this after the debhelper generated code so that dpkg-maintscript
# can do its renamming first.
if [ "$1" = "configure" ]; then

    # The dnsmasq hook has been introduced through SRU into Ubuntu 12.04
    # and Ubuntu 12.10.
    #
    # This means that even though we version-guard the maintscripts entry
    # it'll fire multiple times for users doing 12.04 => 12.10 => 13.04
    # or even just 12.10 => 13.04.
    #
    # As there's unfortunately no way to specify per-series base versions
    # for maintscripts hooks, we let it fire multiple times and then fix up
    # the mess it creates.
    #
    # This migration code can be removed after Ubuntu 14.04 LTS is released.
    if [ -L /etc/dnsmasq.d-available/lxc ] &&
       [ "$(readlink /etc/dnsmasq.d-available/lxc)" = "/etc/dnsmasq.d-available/lxc" ] &&
       [ -e /etc/dnsmasq.d-available/lxc.dpkg-new ]; then
        echo "The dnsmasq configuration has been migrated twice, fixing it."
        mv /etc/dnsmasq.d-available/lxc /etc/dnsmasq.d/lxc
        mv /etc/dnsmasq.d-available/lxc.dpkg-new /etc/dnsmasq.d-available/lxc

        # Try to restart a potential system wide dnsmasq
        invoke-rc.d dnsmasq restart 2>/dev/null || true
    fi

    # Configure dnsmasq
    if [ -f /etc/dnsmasq.d-available/lxc ]; then
        echo "Setting up lxc dnsmasq configuration."
        mkdir -p /etc/dnsmasq.d
        if [ ! -e /etc/dnsmasq.d/lxc ]; then
            ln -s /etc/dnsmasq.d-available/lxc /etc/dnsmasq.d/lxc
        fi

        # Try to restart a potential system wide dnsmasq
        invoke-rc.d dnsmasq restart 2>/dev/null || true
    fi

    # Up to version 1.0.0~alpha2-0ubuntu4 lxc was installed world
    # readable.  After that version if users want it that way for
    # convenience, then that's fine.  But one time go ahead and
    # forcibly change the permissions.
    if dpkg --compare-versions "$2" lt "1.0.0~alpha2-0ubuntu5"; then
        chmod 700 /var/lib/lxc
        chmod 700 /var/cache/lxc
    fi
fi
exit 0

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