source: trunk/packages/xvm-munin-config/debian/xvm-munin-master-config.postinst @ 1775

#!/bin/sh
# postinst script for #PACKAGE#
#
# 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


case "$1" in
    configure)
        # So munin can read the mail log
        adduser munin adm
        
        # First clear out the old stuff we threw in /etc/sudoers
        perl -i.bak -ne 's%^### (BEGIN|END) xvm-munin-config\s*$%%m && ($skip = ($1 eq "BEGIN")); print unless $skip;' /etc/sudoers
        
        # So munin can sudo to get to postfix queue info
        cat >>/etc/sudoers <<EOF
### BEGIN xvm-munin-config
munin ALL=(postfix) SETENV: NOPASSWD: /etc/munin/plugins/postfix_mailqueue
munin ALL=(munin) SETENV: NOPASSWD: ALL
### END xvm-munin-config
EOF
        
        # So munin can read from the database
        su postgres -c 'createuser -S -D -R munin' || true
        su postgres -c 'psql invirt --quiet' <<EOF
GRANT SELECT ON pg_class TO munin;
GRANT SELECT ON pg_index TO munin;
GRANT SELECT ON pg_statio_user_tables TO munin;
GRANT SELECT ON pg_stat_activity TO munin;
GRANT SELECT ON pg_locks TO munin;
EOF
        
        # Install munin plugins that are now configured
        munin-node-configure --suggest --shell | sh
        
        invoke-rc.d munin-node restart
    ;;

    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