#!/bin/sh
#
# Debug utility: packages log files, and relevant debug information
#                needed for full diagnosis of Spacewalk Server issues.
#
# Copyright (c) 2008--2018 Red Hat, Inc.
#
# This software is licensed to you under the GNU General Public License,
# version 2 (GPLv2). There is NO WARRANTY for this software, express or
# implied, including the implied warranties of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE. You should have received a copy of GPLv2
# along with this software; if not, see
# http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
#
# Red Hat trademarks are not licensed under GPLv2. No permission is
# granted to use or replicate Red Hat trademarks that are incorporated
# in this software or its documentation.
#


if [ "$(id -u)" != "0" ] ; then
  echo "This script must be run as root."
  exit
fi

BASE_DIR=/tmp

usage() {
    echo "Usage:"
    echo "$0 [OPTIONS]"
    echo "Debug utility that packages log files and other information"
    echo
    echo "  OPTIONS:"
    echo "    --help                Display usage and exit"
    echo "    --dir                 Destination directory for the tarball ($BASE_DIR)"
    exit $1
}

while [ ${#} -ne 0 ]; do
    arg="$1"
    case "$arg" in
        --help)
            usage 0
            ;;
        --dir)
            shift
            BASE_DIR=$1
            ;;
        --*)
            echo "Unknown option $arg (use --help)"
            exit 1
            ;;
        *)
            echo "Too many arguments (use --help)"
            exit 1
            ;;
    esac
    shift
done

if [ ! -d "$BASE_DIR" ]; then
    mkdir -p "$BASE_DIR"
    [ $? != 0 ] && echo "Unable to create directory $BASE_DIR" && exit 1
fi

# Make sure BASE_DIR is not relative
BASE_DIR=$(cd $BASE_DIR && pwd)

DIR=$BASE_DIR/spacewalk-debug-$$/spacewalk-debug
TARBALL=$BASE_DIR/spacewalk-debug.tar.bz2

/bin/mkdir -p $DIR
if [ $? != 0 ] ; then
  echo "Unable to create directory $DIR"
  exit
fi

chmod 700 $DIR
cd $DIR

echo "Collecting and packaging relevant diagnostic information."
echo "Warning: this may take some time..."

mkdir -p $DIR/conf/httpd
mkdir -p $DIR/conf/tomcat
mkdir -p $DIR/conf/cobbler
mkdir -p $DIR/conf/rhn/sysconfig
mkdir -p $DIR/httpd-logs
mkdir -p $DIR/tomcat-logs
mkdir -p $DIR/cobbler-logs
mkdir -p $DIR/rhn-logs/rhn
mkdir -p $DIR/config-defaults
mkdir -p $DIR/kickstarts
mkdir -p $DIR/database
mkdir -p $DIR/cobbler-lib
mkdir -p $DIR/tasko

echo "    * copying configuration information"
if [ -d /etc/httpd ]; then
    cp -fsLrp /etc/httpd/conf* $DIR/conf/httpd
elif [ -d /etc/apache2 ]; then
    cp -fsLrp /etc/apache2/conf* $DIR/conf/httpd
    cp -fsLrp /etc/apache2/vhosts* $DIR/conf/httpd
fi
cp -fsLrp /etc/rhn $DIR/conf/rhn
# Find any current copies of rhn.conf/rhn.conf.orig and sanitize passwords
sed -i 's/db_password.*/db_password = ***/g' $DIR/conf/rhn/rhn/rhn.conf*
sed -i 's/server.satellite.http_proxy_password.*/server.satellite.http_proxy_password = ***/g' $DIR/conf/rhn/rhn/rhn.conf*
cp -fsLrp /etc/sysconfig/rhn $DIR/conf/rhn/sysconfig
# Find any rhn.conf files backup up by upgrades and sanitize passwords
find $DIR/conf/rhn/sysconfig -name rhn.conf\* -exec sed -i 's/db_password.*/db_password = ***/g' {} \;
find $DIR/conf/rhn/sysconfig -name rhn.conf\* -exec sed -i 's/server.satellite.http_proxy_password.*/server.satellite.http_proxy_password = ***/g' {} \;
if [ -f /etc/tnsnames.ora ] ; then
    cp -fsLrp /etc/tnsnames.ora $DIR/conf
fi

echo "    * copying logs"
if [ -d /var/log/httpd ]; then
    cp -fsLrp /var/log/httpd $DIR/httpd-logs
elif [ -d /var/log/apache2 ]; then
    cp -fsLrp /var/log/apache2 $DIR/httpd-logs
fi

# copy rhn logs
if [ -d /var/log/rhn ]; then
    cp -fsLrp  /var/log/rhn/{*log*,*.gz} $DIR/rhn-logs/rhn

    # check for oracle dir
    if [ -d /var/log/rhn/oracle ]; then
        cp -fsLrp /var/log/rhn/oracle $DIR/rhn-logs/rhn
    fi

    # check for reposync dir
    if [ -d /var/log/rhn/reposync ]; then
        cp -fsLrp /var/log/rhn/reposync $DIR/rhn-logs/rhn
    fi

    # check for search dir
    if [ -d /var/log/rhn/search ]; then
        cp -fsLrp /var/log/rhn/search $DIR/rhn-logs/rhn
    fi
fi

DB_INSTALL_LOG=/var/log/rhn/rhn-database-installation.log
if [ -f "$DB_INSTALL_LOG" ] ; then
    mkdir -p $DIR/tmp
    cp -fsLrp "$DB_INSTALL_LOG" $DIR/tmp/
fi

# grab jabberd info if it exists (it should)
if [ -d /etc/jabberd ]; then
    mkdir -p $DIR/jabberd
    cp -fsLrp /etc/jabberd $DIR/jabberd
fi

# tomcat for spacewalk 400+
for tomcat in tomcat tomcat5 tomcat6 ; do
  if [ -d /etc/$tomcat ]; then
    cp -fsLrp /etc/$tomcat $DIR/conf/tomcat
  fi
  if [ -d /var/log/$tomcat ]; then
    cp -fsLrp /var/log/$tomcat $DIR/tomcat-logs
  fi
done

# copying the /usr/share/rhn/config-defaults
echo "    * copying config-defaults files"
if [ -d /usr/share/rhn/config-defaults ]; then
    cp -fsLrp /usr/share/rhn/config-defaults/* $DIR/config-defaults
fi

#cobbler stuff
echo "    * copying cobbler files"
if [ -d /etc/cobbler ]; then
    cp -fsLrp /etc/cobbler/* $DIR/conf/cobbler
fi
if [ -d /var/log/cobbler ]; then
   cp -fsLrp /var/log/cobbler/* $DIR/cobbler-logs
fi
if [ -d /var/lib/cobbler ]; then
   cp -fsLrp /var/lib/cobbler/snippets $DIR/cobbler-lib/
   cp -fsLrp /var/lib/cobbler/config $DIR/cobbler-lib/
   cp -fsLrp /var/lib/cobbler/kickstarts $DIR/cobbler-lib/
   cp -fsLrp /var/lib/cobbler/triggers $DIR/cobbler-lib/
fi
if [ -d /var/lib/rhn/kickstarts ]; then
   cp -fsLrp /var/lib/rhn/kickstarts/* $DIR/kickstarts/
fi

# ssl-build
if [ -d /root/ssl-build ] ; then
    echo "    * copying ssl-build"
    mkdir -p $DIR/ssl-build
    # NOTE: cp -a == cp -pRd
    cp -fsLrp /root/ssl-build/* $DIR/ssl-build 2> /dev/null
fi

# /etc/sudoers
if [ -f /etc/sudoers -o -d /etc/sudoers.d ] ; then
	echo "    * copying /etc/sudoers*"
	cp -fsLrp /etc/sudoers* $DIR/conf
fi

# /etc/passwd
if [ -f /etc/passwd ] ; then
	echo "    * copying apache, postgres, tomcat entries from /etc/passwd"
	getent passwd apache wwwrun tomcat postgres > $DIR/conf/passwd
fi

# /etc/group
if [ -f /etc/group ] ; then
	echo "    * copying apache, postgres, tomcat entries from /etc/group"
	getent group apache www tomcat postgres > $DIR/conf/group
fi

echo "    * querying RPM database (versioning of Spacewalk, etc.)"
rpm -qa --last > $DIR/rpm-manifest
rpm -qa | sort > $DIR/rpm-manifest-clean

echo "    * querying schema version, database charactersets and database"
/usr/bin/rhn-schema-version > $DIR/database-schema-version
/usr/bin/rhn-charsets > $DIR/database-character-sets
if [ -f /usr/bin/db-control ] && [ "$(spacewalk-cfg-get db_backend)" = "postgresql" ] ; then
    /usr/bin/db-control report > $DIR/db-control-report
fi

if [ -f /usr/bin/spacewalk-sql ] ; then
    USERS_TZ_LC_SQL="""
        SELECT w.login as login,
               tz.display_name as timezone,
               ui.preferred_locale as locale
          FROM web_contact w
               inner join rhnuserinfo ui on ui.user_id = w.id
               left outer join rhntimezone tz on ui.timezone_id = tz.id
        ORDER BY login;
    """
    echo "    * querying users timezone and localization preferences"
    echo $USERS_TZ_LC_SQL | /usr/bin/spacewalk-sql --select-mode - > $DIR/users-preferences
fi

echo "    * get diskspace available"
df -h > $DIR/diskinfo

echo "    * get database statistics"
/usr/bin/rhn-db-stats $DIR/database/db-stats.log

echo "    * get schema statistics"
/usr/bin/rhn-schema-stats $DIR/database/schema-stats.log

# alert.log
if [ -f /rhnsat/admin/rhnsat/bdump/alert_rhnsat.log ] ; then
	echo "    * copying alert_rhnsat.log"
	cp -fsLrp /rhnsat/admin/rhnsat/bdump/alert_rhnsat.log $DIR/database/
fi

PGSQL_ROOT=""
MAX_PGSQL_LOGS_SIZE="6291456" #6 GB
rpm -q postgresql92-postgresql > /dev/null
if [ $? == 0 ]; then
	PGSQL_ROOT="/opt/rh/postgresql92/root"
fi

# PostgreSQL logs
if [ -f $PGSQL_ROOT/var/lib/pgsql/pgstartup.log ] ; then
	echo "    * copying pgstartup.log"
	cp -fsLrp $PGSQL_ROOT/var/lib/pgsql/pgstartup.log $DIR/database
fi
if [ -f /var/lib/pgsql/initlog ] ; then
       echo "    * copying initlog"
       cp -fsLrp /var/lib/pgsql/initlog $DIR/database
fi
ls $PGSQL_ROOT/var/lib/pgsql/data/*.conf 2>/dev/null | xargs -I file cp -fsLrp file $DIR/database

# compress postgres logs
if [ -d $PGSQL_ROOT/var/lib/pgsql/data/pg_log ]; then

    PGSQL_LOGS_SIZE=$(du -s $PGSQL_ROOT/var/lib/pgsql/data/pg_log | cut -d'/' -f1)
    if [ $PGSQL_LOGS_SIZE -gt $MAX_PGSQL_LOGS_SIZE ]; then
        echo "    * $PGSQL_ROOT/var/lib/pgsql/data/pg_log exceeded the maximum size allowed. Please copy it separately."
        echo "PostgreSQL logs exceeded the maximum size of $MAX_PGSQL_LOGS_SIZE bytes" >> $DIR/database/warning
    else
        for pg_log in $(ls $PGSQL_ROOT/var/lib/pgsql/data/pg_log/* 2>/dev/null); do
            cat $pg_log | gzip > $DIR/database/$(basename $pg_log).gz
        done
    fi
fi

if [ -d /var/log/spacewalk/schema-upgrade ] ; then
	echo "    * copying schema upgrade logs"
	mkdir -p $DIR/schema-upgrade-logs
	cp -fsLrp /var/log/spacewalk/schema-upgrade/* $DIR/schema-upgrade-logs
fi

if [ "$(spacewalk-cfg-get db_backend)" = "postgresql" ] ; then
    echo "    * copying Postgresql procedures information"
    echo "select proname, prosrc from pg_catalog.pg_proc;" | /usr/bin/spacewalk-sql --select-mode - &> $DIR/database/pg_catalog.pg_proc.log
fi

if [ -f /var/log/audit/audit.log ] ; then
	echo "    * copying audit.log"
	mkdir -p $DIR/audit-log
	cp -fsLrp /var/log/audit/audit.log $DIR/audit-log
fi

if [ -d /var/log/rhn/tasko/sat ] ; then
        echo "    * copying tasko/sat"
        cp -fsLrp /var/log/rhn/tasko/sat $DIR/tasko
fi

echo "    * timestamping"
echo "Spacewalk debug created on $(date)" > $DIR/timestamp

echo "    * creating tarball (may take some time): $TARBALL"
# 209620 - satellite-debug creates world readable output
# set tarball premissions *before* writing data
# exclude private keys
install -m 600 /dev/null $TARBALL
tar -cjf $TARBALL \
    -C $(dirname $DIR) \
    --exclude "*PRIVATE*" \
    --exclude "server.key*" \
    --exclude "server.pem*" \
    --exclude "rhn-org-httpd-ssl*" \
    $(basename $DIR)

echo "    * removing temporary debug tree"
rm -Rf $(echo $DIR | sed -e 's/\/[^\/]*$//g')

echo
echo "Debug dump created, stored in $TARBALL"
