postinst is in varnish 3.0.2-1.
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.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 | #!/bin/sh
# Postinst script for varnish.
# Stig Sandbeck Mathisen <ssm@debian.org>
set -e
set -u
# Settings
daemon_user="varnish"
log_user="varnishlog"
daemon_dir=/var/lib/varnish/$(uname -n)
log_dir="/var/log/varnish"
secret_file=/etc/varnish/secret
varnish_setup_user() {
if ! getent passwd $1 2>&1 >/dev/null; then
adduser --quiet --system --no-create-home --group $1
fi
}
varnish_create_storagedir() {
if ! [ -d "$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 $log_user 0750 $log_dir
fi
}
varnish_create_secret() {
if ! [ -f "${secret_file}" ]; then
if [ -f /proc/sys/kernel/random/uuid ]; then
install -m 0600 /proc/sys/kernel/random/uuid "${secret_file}"
else
install -m 0600 /dev/null "${secret_file}"
dd if=/dev/urandom count=1 bs=128 2>/dev/null \
| tr -dc "A-Za-z0-9" > "${secret_file}"
fi
fi
}
# varnish version 2.1.3-1 and older ran the log demons as root, we
# need to change the owner of the old logs for upgrading clients
upgrade_change_log_permissions() {
chown -Rhf ${log_user}: ${log_dir}
}
# varnish version 2.1.3-1 and older started varnishd at boot, we keep
# this default for upgrading clients
upgrade_enable_varnishd() {
sed -i '/^START=/s/no/yes/g' /etc/default/varnish
}
case ${1:-} in
configure)
varnish_setup_user $daemon_user
varnish_setup_user $log_user
varnish_create_storagedir
varnish_setup_logdir
varnish_create_secret
if dpkg --compare-versions "2.1.3-2" "gt-nl" "${2:-}" ; then
upgrade_change_log_permissions
upgrade_enable_varnishd
fi
;;
esac
# Automatically added by dh_installinit
if [ -x "/etc/init.d/varnish" ]; then
if [ ! -e "/etc/init/varnish.conf" ]; then
update-rc.d varnish defaults >/dev/null
fi
invoke-rc.d varnish start || exit $?
fi
# End automatically added section
# Automatically added by dh_installinit
if [ -x "/etc/init.d/varnishlog" ]; then
if [ ! -e "/etc/init/varnishlog.conf" ]; then
update-rc.d varnishlog defaults >/dev/null
fi
invoke-rc.d varnishlog start || exit $?
fi
# End automatically added section
# Automatically added by dh_installinit
if [ -x "/etc/init.d/varnishncsa" ]; then
if [ ! -e "/etc/init/varnishncsa.conf" ]; then
update-rc.d varnishncsa defaults >/dev/null
fi
invoke-rc.d varnishncsa start || exit $?
fi
# End automatically added section
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