AlternC/debian/alternc.config

#! /bin/bash -x

set -e

# Source debconf library.
. /usr/share/debconf/confmodule

db_capb backup


#Return  if everything is good, exit error number otherwise
function valid_ip()
{
    local  ip=$1
    local  stat=1

    if [[ $ip =~ ^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$ ]]; then
        OIFS=$IFS
        IFS='.'
        ip=($ip)
        IFS=$OIFS
        [[ ${ip[0]} -le 255 && ${ip[1]} -le 255 \
            && ${ip[2]} -le 255 && ${ip[3]} -le 255 ]]
        stat=$?
    fi
    return $stat
}


#checking mysql connectivity and updating local.sh variables accordingly
check_mysql(){

  STATE=0
    while [ "$STATE" -eq 0 ]; do
      db_input high alternc/mysql/host || true
        db_go
        db_get alternc/mysql/host || true
        MYSQL_HOST="$RET"
        db_input high alternc/mysql/remote_user || true
        db_go
        db_get alternc/mysql/remote_user || true
        MYSQL_USER="$RET"
        db_input high alternc/mysql/remote_password || true
        db_go
        db_get alternc/mysql/remote_password || true
        MYSQL_PASSWORD="$RET"
        db_input high alternc/mysql/client || true
        db_go
        db_get alternc/mysql/client || true
        MYSQL_CLIENT="$RET"
        if [ "`mysql -u"$MYSQL_USER" -p"$MYSQL_PASSWORD" -h"$MYSQL_HOST" -Bse 'SELECT "OK";' 2>/dev/null`" = "OK" ]; then
          STATE=`expr $STATE + 1`
        else
          db_input high alternc/remote_mysql_error || true
            db_go
            db_get alternc/remote_mysql_error || true
            if [ "$RET" = "false" ]; then
              exit 4
            fi
        fi    
    done

}

# default values for local.sh
MYSQL_HOST=127.0.0.1
MYSQL_DATABASE=alternc
MYSQL_USER=sysusr
MYSQL_PASS="`perl -e 'print map{("a".."z","A".."Z",0..9)[int(rand(62))]}(1..10)' `"
MYSQL_MAIL_USER=alternc_user
MYSQL_MAIL_PASS="`perl -e 'print map{("a".."z","A".."Z",0..9)[int(rand(62))]}(1..10)' `"
MYSQL_CLIENT=localhost
FQDN="`(cat /etc/mailname 2>/dev/null || hostname -f)|tr '[:upper:]' '[:lower:]'`"
INTERNAL_IP="`env LANG=C /sbin/ifconfig|grep inet | grep -v 127.0.0.1| head -1 | cut -d: -f2 | sed -e 's/\([0-9\.]*\).*$/\1/' 2>/dev/null || hostname -f`"
PUBLIC_IP="$INTERNAL_IP"
DEFAULT_MX="`cat /etc/mailname 2>/dev/null || hostname -f`"
ALTERNC_LOC=/var/alternc
NS1_HOSTNAME="$FQDN"
NS2_HOSTNAME="$FQDN"
HOSTING="AlternC"
SQLBACKUP_TYPE="rotate"
SQLBACKUP_OVERWRITE="no"
QUEST_STATE=1

while [ "$QUEST_STATE" != 0 -a "$QUEST_STATE" != 14 ]; do
  case "$QUEST_STATE" in
  1)
    db_title AlternC
    db_input critical alternc/welcomeconfirm || true
    #db_go
    ;;
  2)
    # Check the answer.
    db_get alternc/welcomeconfirm || true

    if [ "$RET" = "false" ]; then
            # reset the welcomeconfirm flag if user refuses so it gets asked again next time
            db_reset alternc/welcomeconfirm || true
            db_fset alternc/welcomeconfirm "seen" "false" || true
      exit 3
    fi
  ;;
  3)
    if [ -r /etc/alternc/local.sh ]; then
        # source the current config
        . /etc/alternc/local.sh
    fi

    #We ask for the hosting name and the FQDN
    db_set alternc/hostingname "$HOSTING"
    db_set alternc/desktopname "$FQDN"
    db_input high alternc/hostingname || true
  ;;
  4)
    # Get the FQDN
    db_input high alternc/desktopname || true
    # Be sure that the FQDN is lowercase (Bug #1405)
    db_get alternc/desktopname
    db_set alternc/desktopname "`echo $RET | tr '[:upper:]' '[:lower:]'`"
    # End bug #1405
  ;;
  5)
    #we ask for the public and private ip
    db_set alternc/public_ip "$PUBLIC_IP"
    STATE=0
    while [ $STATE -eq 0 ]; do
      db_input high alternc/public_ip || true
      db_go
      db_get alternc/public_ip 
      ip="$RET"
      if  valid_ip $ip ; then 
        if [ $(echo $ip |egrep '(^127\.)|(^192\.168\.)|(^10\.)|(^172\.1[6-9]\.)|(^172\.2[0-9]\.)|(^172\.3[0-1]\.)|(^::1)$') ]; then
          db_input high alternc/use_private_ip || true
          db_go
          db_get alternc/use_private_ip
            if [ "$RET" = "true" ]; then
              STATE=1
	    else
              db_reset alternc/use_private_ip || true
              db_fset alternc/use_private_ip "seen" "false" || true
            fi
        else
          STATE=1
        fi
      else
        STATE=1
      fi
    done
  ;;
  6)
    #private IP

    db_set alternc/internal_ip "$INTERNAL_IP"

    STATE=0
    while [ $STATE -eq 0 ]; do
      db_input high alternc/internal_ip || true
      db_go
      db_get alternc/internal_ip 
      ip="$RET"
      if  valid_ip $ip ; then 
        STATE=1
      fi 
    done
  ;;
  7)
    #We ask for the DNS server for the ip
    #
    db_set alternc/ns1 "$NS1_HOSTNAME"

    db_input high alternc/ns1 || true
  ;;
  8)
    db_set alternc/ns1 "$NS2_HOSTNAME"
    db_input high alternc/ns2 || true
  ;;
  9)
    db_set alternc/default_mx "$DEFAULT_MX"
    db_input high alternc/default_mx || true
  ;;
  10)
    if [ "`mysql --defaults-file=/etc/mysql/debian.cnf -Bse 'SELECT "OK";' 2>/dev/null`" = "OK" ]; then
      db_input critical alternc/use_local_mysql || true
    else
      db_input critical alternc/use_remote_mysql || true
    fi
  ;;
  11)
    db_get alternc/use_local_mysql || true
    if [ "$RET" = "false" ]; then
    #user want to use a remote server
    check_mysql
    fi
  ;;
  12)
    db_input low alternc/alternc_location || true
  ;;
  13)
    # We need to check the alternc_location here because we have to test for quotas and acls 
    db_get alternc/alternc_location
    if [ -z "$RET" ]
        then
    db_set alternc/alternc_location "$ALTERNC_LOC"
    fi

    db_get alternc/alternc_location
    LOCATION="$RET"
    #checking acl and quota activation, does't work with NFS yet. should now work with lxc
    MOUNT_POINT=$(df -P ${LOCATION%/*} | tail -n 1 | awk '{print $6}')

    # Get the mount options for the path: (warning, / may have multiple declarations, take the last one only :
    MOUNT_OPTS=$(awk '$2=="'$MOUNT_POINT'" { print $4 }' /proc/mounts | tail -1)

    # Check to see if acl is one of the mount points:
    ACL="$(echo "$MOUNT_OPTS" | tr "," "\\n" | egrep '^acl|attr2|user_xattr$')" || true
    if [ -z "$ACL" ]; then
      db_input critical alternc/acluninstalled || true
	    db_title AlternC
      db_reset alternc/acluninstalled || true
      db_fset alternc/acluninstalled "seen" "false" || true
      exit 2
    fi
    quota_activation=$(quotaon -pa 2>/dev/null |grep '^group.*on$' | /usr/bin/awk '$4 ~ /^\'$MOUNT_POINT'$/ {print $4}') 

    if [ -z "$quota_activation" -o "$quota_activation"  != "$MOUNT_POINT" ]; then
        db_input critical alternc/quotauninstalled || true
        db_go
        db_reset alternc/quotauninstalled || true
        db_fset alternc/quotauninstalled "seen" "false" || true
    fi
  ;;
  esac
  if db_go; then
    QUEST_STATE=$(($QUEST_STATE + 1))
  else 
    QUEST_STATE=$(($QUEST_STATE - 1))
  fi
done

if [ -r /etc/alternc/my.cnf ]; then
    # make mysql configuration available as shell variables
    # to convert from .cnf to shell syntax, we:
    # * match only lines with "equal" in them (/=/)
    # * remove whitespace around the = and add a left quote operator ' (;s)
    # * add a right quote operator at the end of line (;s)
    # * convert mysql variables into our MYSQL_ naming convention (;s)
    # * print the result (;p)
    eval `sed -n -e "/=/{s/ *= *\"\?/='/;s/\"\?\$/'/;s/host/MYSQL_HOST/;s/user/MYSQL_USER/;s/password/MYSQL_PASS/;s/database/MYSQL_DATABASE/;p}" /etc/alternc/my.cnf`
fi

if [ -r /etc/alternc/my_mail.cnf ]; then
    # make mysql configuration available as shell variables
    # to convert from .cnf to shell syntax, we:
    # * match only lines with "equal" in them (/=/)
    # * remove whitespace around the = and add a left quote operator ' (;s)
    # * add a right quote operator at the end of line (;s)
    # * convert mysql variables into our MYSQL_ naming convention (;s)
    # * print the result (;p)
    eval `sed -n -e "/=/{s/ *= *\"\?/='/;s/\"\?\$/'/;s/host/MYSQL_HOST/;s/user/MYSQL_MAIL_USER/;s/password/MYSQL_MAIL_PASS/;s/database/MYSQL_DATABASE/;p}" /etc/alternc/my_mail.cnf`
fi


#if [ "`mysql --defaults-file=/etc/mysql/debian.cnf -Bse 'SELECT "OK";' 2>/dev/null`" = "OK" ]; then
#    db_input critical alternc/use_local_mysql || true
#    db_go
#    db_get alternc/use_local_mysql || true
#    if [ "$RET" = "false" ]; then
#    #user want to use a remote server
#    check_mysql
#    fi
#else
#db_input critical alternc/use_remote_mysql || true
#db_go
#db_get alternc/use_remote_mysql || true
#    if [ "$RET" = "true" ]; then
#    #user want to use a remote server
#    check_mysql
#    fi
#fi




#if [ -z "$ACL" ]; then
#	db_input critical alternc/acluninstalled || true
#	db_go
#	db_title AlternC
#        db_reset alternc/acluninstalled || true
#        db_fset alternc/acluninstalled "seen" "false" || true
#        exit 2
#fi           
#quota_activation=$(quotaon -pa 2>/dev/null |grep '^group.*on$' | /usr/bin/awk '$4 ~ /^\'$MOUNT_POINT'$/ {print $4}') 
#
#if [ -z "$quota_activation" -o "$quota_activation"  != "$MOUNT_POINT" ]; then
#    db_input critical alternc/quotauninstalled || true
#    db_go
#    db_reset alternc/quotauninstalled || true
#    db_fset alternc/quotauninstalled "seen" "false" || true
#fi

db_get alternc/hostingname
if [ -z "$RET" ]
    then
    db_set alternc/hostingname "$HOSTING"
fi

db_get alternc/desktopname
if [ -z "$RET" ]
    then
    db_set alternc/desktopname "$FQDN"
fi


db_get alternc/monitor_ip
if [ -z "$RET" ]
    then
db_set alternc/monitor_ip "$MONITOR_IP"
fi

db_get alternc/ns2
if [ -z "$RET" ]
    then
db_set alternc/ns2 "$NS2_HOSTNAME"
fi

db_get alternc/default_mx2
if [ -z "$RET" ]
    then
db_set alternc/default_mx2 "$DEFAULT_SECONDARY_MX"
fi

db_get alternc/mysql/host
if [ -z "$RET" ]
    then
db_set alternc/mysql/host "$MYSQL_HOST"
fi

#Even if we asked the question concerning the database earlier in the process
#those calls are needed to pass the variable of remote sql server to AlternC
db_get alternc/mysql/db
if [ -z "$RET" ]
    then
db_set alternc/mysql/db "$MYSQL_DATABASE"
fi

db_get alternc/mysql/user
if [ -z "$RET" ]
    then
db_set alternc/mysql/user "$MYSQL_USER"
fi

db_get alternc/mysql/password
if [ -z "$RET" ]
    then
db_set alternc/mysql/password "$MYSQL_PASS"
fi

db_get alternc/mysql/client
if [ -z "$RET" ]
    then
db_set alternc/mysql/client "$MYSQL_CLIENT"
fi

db_get alternc/sql/backup_type
if [ -z "$RET" ]
    then
db_set alternc/sql/backup_type "$SQLBACKUP_TYPE"
fi

db_get alternc/sql/backup_overwrite
if [ -z "$RET" ]
    then
db_set alternc/sql/backup_overwrite "$SQLBACKUP_OVERWRITE"
fi

db_get alternc/mysql/alternc_mail_user
if [ -z "$RET" ]
    then
db_set alternc/mysql/alternc_mail_user "$MYSQL_MAIL_USER"
fi

db_get alternc/mysql/alternc_mail_password
if [ -z "$RET" ]
    then
db_set alternc/mysql/alternc_mail_password "$MYSQL_MAIL_PASS"
fi

db_input low alternc/default_mx2 || true
db_input low alternc/mysql/host || true
db_input low alternc/mysql/db || true
db_input low alternc/mysql/user || true
db_input low alternc/mysql/password || true
db_input low alternc/mysql/alternc_mail_password || true
db_input low alternc/mysql/alternc_mail_user || true
db_input low alternc/mysql/client || true
db_input low alternc/sql/backup_type || true
db_input low alternc/sql/overwrite || true
db_input low alternc/monitor_ip || true
db_input low alternc/slaves || true
db_go

# vim: et sw=4