bin/run-mirrors: If we have a keytab file, log in with it.

[mirror-admin] / bin / run-mirrors

#! /bin/sh

set -e

## Make sure we're running as the right user.
case $(id -un) in
  mirror) ;;
  *) exec userv -fstdin=/dev/null mirror run ;;
esac

## Set up a plausible environment.
HOME=/mnt/ftp/mirror-admin; export HOME; cd
PATH=$HOME/bin:/usr/bin:/usr/sbin:/bin:/sbin:/usr/local/bin:/usr/local/sbin
export PATH
umask 002

## Make sure we're running with a lock file.
case "${MIRROR_LOCKED-nil}" in
  nil) exec env MIRROR_LOCKED=t locking -f var/mirror.lock "$0" "$@" ;;
esac

## Hack for mad Kerberized NFS.
if [ -r etc/krb5.keytab ]; then
  kinit -k -t etc/krb5.keytab mirror
fi

## Before we start, rotate the logs.  (Doing things this way means that we
## can be sure we don't lose new logs, even if the log rotation goes
## completely mental.
logrotate -s var/logrotate.state etc/logrotate.conf

## Let SIGINT take out the children only.
trap "" INT

## Now do the various mirroring things.
for file in $(run-parts --list etc/mirrors.d); do
  [ -x "$file" ] || continue
  base=${file##*/}; base=${base#[0-9]*-}
  (
    echo
    echo "***--------------------------------------------------"
    echo "*** Running $base at $(date +%Y-%m-%dT%H:%M:%S)"
    echo
    set +e; (trap - INT; exec "$file"); rc=$?; set -e
    echo
    echo "*** Finished $(date +%Y-%m-%dT%H:%M:%S); rc = $rc"
  ) >>log/$base.log 2>&1
done