# cat /srv/scripts/mirror_centos6.sh 
#!/bin/bash
SOURCE1="rsync://centos.ufms.br/CentOS/6"
SOURCE2="rsync://centos.ufms.br/CentOS/6.7"
TARGET="/var/www/html/centos"
CREATE="createrepo_centos6.sh"
LOGS="/var/log/mirror"
LOGOFILE="/var/log/mirror/centos_6.log"
MAILNOTIFY="gean@rascunhos.wiki.br"
DEBUGFILE="/var/log/mirror/centos_6.debug"
MAILSUBJECT="ERRO Repositorio CentOS 6"
LOCKFILE="/var/log/mirror/centos_6.lock"

# funcao para registrar os logs
function log()
{
  echo `date +%d.%m.%Y%t%H:%M:%S` "    LOG:" $1 | tee -a ${LOGFILE}
}

# Cria o diretorio mirror se ele nao existir
if [ ! -d ${LOGS} ] ; then
  log "Diretorio de logs criado."
  mkdir -p ${LOGS}
fi

# funcao para registrar os erros
function error()
{
  echo `date +%d.%m.%Y%t%H:%M:%S` "    ERROR:" $1 | tee -a ${LOGFILE}
  if [ -n "${MAILNOTIFY}" ] ; then
    echo `date +%d.%m.%Y%t%H:%M:%S` "    ERROR:" $1 | mail -s "${MAILSUBJECT}" ${MAILNOTIFY}
  fi
}

# funcao para registrar o status
function status()
{
  case "$1" in
    0)
      log "Synchronization completed."
      ;;
    1)
      error "RSYNC: Syntax or usage error."
      ;;
    2)
      error "RSYNC: Protocol incompatibility."
      ;;
    3)
      error "RSYNC: Errors selecting input/output files, dirs."
      ;;
    4)
      error "RSYNC: Requested action not supported: an attempt was made to manipulate 64-bit files on a platform that cannot support them; or an option was specified that is supported by the client and not by the server."
      ;;
    5)
      error "RSYNC: Error starting client-server protocol."
      ;;
    6)
      error "RSYNC: Daemon unable to append to log-file."
      ;;
    10)
      error "RSYNC: Error in socket I/O."
      ;;
    11)
      error "RSYNC: Error in file I/O."
      ;;
    12)
      error "RSYNC: Error in rsync protocol data stream."
      ;;
    13)
      error "RSYNC: Errors with program diagnostics."
      ;;
    14)
      error "RSYNC: Error in IPC code."
      ;;
    20)
      error "RSYNC: Received SIGUSR1 or SIGINT."
      ;;
    21)
      error "RSYNC: Some error returned by waitpid()."
      ;;
    22)
      error "RSYNC: Error allocating core memory buffers."
      ;;
    23)
      error "RSYNC: Partial transfer due to error."
      ;;
    24)
      error "RSYNC: Partial transfer due to vanished source files."
      ;;
    25)
      error "RSYNC: The --max-delete limit stopped deletions."
      ;;
    30)
      error "RSYNC: Timeout in data send/receive."
      ;;
    *)
      error "RSYNC: Unknown error $1."
      ;;
  esac
}

if [ -f ${LOCKFILE} ] ; then
  kill -0 $(cat ${LOCKFILE}) >/dev/null 2>&1
  if [ $? -eq 0 ] ; then
    error "Previous process still running."
    exit 1
  else
    log "Deprecated lock file found. Remove lock file."
    rm -f ${LOCKFILE}
  fi
fi

echo $$ >${LOCKFILE}

# Create local mirror directories if not exists
if [ ! -d ${TARGET} ] ; then
  log "Diretorio do repositorio criado."
  mkdir -p ${TARGET}
fi

#Comando rsync
log "Iniciando o download do repositorio CentOS 6." >> ${DEBUGFILE} 2>&1
echo ">>>>>" `date +%d.%m.%Y%t%H:%M:%S` "<<<<<" >>${DEBUGFILE}
rsync -av --bwlimit=4096 --exclude=repodata --exclude=debug --exclude=isos ${SOURCE1} ${TARGET} >> ${DEBUGFILE} 2>&1
rsync -av --bwlimit=4096 --exclude=repodata --exclude=debug --exclude=isos ${SOURCE2} ${TARGET} >> ${DEBUGFILE} 2>&1
status $?
 
#usa o cat para esvaziar o arquivo $CRIAR.
cat /dev/null > $CREATE

# cria o script para executar pos download 
cat << EOF > $CREATE
#!/bin/bash
#Esse script executa o comando createrepo em todos os diretórios com arquivos .rpm.
# Criado em: `date`
EOF
 
# aqui buscamos os arquivos das arquiteturar x86_64 e i386 para rodarmos o createrepo
# isso evita erro no clientes
find /var/www/html/centos/6/ -name "x86_64" >> $CREATE
find /var/www/html/centos/6/ -name "i386" >> $CREATE
 
# colocando o createrepo ates do var 
# na primeira execucao atere createrepo --update para createrepo
sed -i "s/\/var/createrepo --update \/var/g" $CREATE

# Alterando as permissoes e executando
chmod 750 $CREATE

log "Iniciando a criacao da base de dados." >> ${DEBUGFILE} 2>&1
echo ">>>>>" `date +%d.%m.%Y%t%H:%M:%S` "<<<<<" >>${DEBUGFILE}
/bin/bash $CREATE
status $?

rm -f ${LOCKFILE}

exit 0