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#!/bin/sh
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>
# * <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
#
# quoting from the policy:
# Any necessary prompting should almost always be confined to the
# post-installation script, and should be protected with a conditional
# so that unnecessary prompting doesn't happen if a package's
# installation fails and the 'postinst' is called with 'abort-upgrade',
# 'abort-remove' or 'abort-deconfigure'.
case "$1" in
configure)
# Add prometheus user
adduser --quiet --system --home /var/lib/prometheus --no-create-home \
--group --gecos "Prometheus daemon" prometheus
if ! dpkg-statoverride --list /var/lib/prometheus >/dev/null; then
chown prometheus:prometheus /var/lib/prometheus
fi
chown prometheus:prometheus /var/log/prometheus || true
# This file may contain auth credentials, so set ownership / mode
# accordingly.
chown prometheus:prometheus /etc/default/prometheus-postgres-exporter
chmod 0640 /etc/default/prometheus-postgres-exporter
;;
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.
#DEBHELPER#
exit 0
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