ilom-console-gui

#! /bin/bash
#
# WARNING: This utility depends on the `ilom-address` script, which
# you MUST customize to your cluster environment.
#
PROG="$(basename $0)"

## defaults

# where all the auxiliary files are stored
home=/usr/local/lib/ilom

# root of the 32-bit Java installation (storage redirection does not
# work on 64-bit Linux); note: Java 7 is *way* slower and buggy in
# executing this ILOM code!
export JAVA_HOME=${home}/jre1.6.0_45

# the console redirection starter; download it from a ILOM-enabled host
# (Remote Control -> Redirection -> Launch Remote Console)
console_jnlp=${home}/console-redir.jnlp


## help/usage text

usage () {
cat <<EOF
Usage: $PROG [options] HOST

Start the ILOM console redirection on HOST.

Options:

  --password, -p PASSWD
      Use string PASSWD to connect to the remote ILOM SP.

  --help, -h
      Print this help text.

EOF
}


## helper functions
die () {
  rc="$1"
  shift
  (echo -n "$PROG: FATAL: ";
      if [ $# -gt 0 ]; then echo "$@"; else cat; fi) 1>&2
  exit $rc
}

warn () {
  (echo -n "$PROG: WARNING: ";
      if [ $# -gt 0 ]; then echo "$@"; else cat; fi) 1>&2
}

have_command () {
  type "$1" >/dev/null 2>/dev/null
}

require_command () {
  if ! have_command "$1"; then
      die 1 "Could not find required command '$1' in system PATH. Aborting."
  fi
}

is_absolute_path () {
    expr match "$1" '/' >/dev/null 2>/dev/null
}


## parse command-line

if [ -n "$IPMI_PASSWORD" ]; then
    opt_s="-s '$IPMI_PASSWORD'"
fi

short_opts='hp:s:'
long_opts='help,password:'

if [ "x$(getopt -T)" != 'x--' ]; then
    # GNU getopt
    args=$(getopt --name "$PROG" --shell sh -l "$long_opts" -o "$short_opts" -- "$@")
    if [ $? -ne 0 ]; then
        die 1 "Type '$PROG --help' to get usage information."
    fi
    # use 'eval' to remove getopt quoting
    eval set -- $args
else
    # old-style getopt, use compatibility syntax
    args=$(getopt "$short_opts" "$@")
    if [ $? -ne 0 ]; then
        die 1 "Type '$PROG --help' to get usage information."
    fi
    set -- $args
fi

while [ $# -gt 0 ]; do
    case "$1" in
        --password|-p|-s) opt_s="-s '$2'"; shift ;;
        --help|-h) usage; exit 0 ;;
        --) shift; break ;;
    esac
    shift
done

if [ $# -lt 1 ]; then
    die 1 "Need to provide at least a HOST. Run '$PROG --help' to get extended usage help."
fi


## main

# sanity checks

if ! test -d "$home"; then
    die 2 "Auxiliary files directory '$home' does not exist (or is not a directory). Please check configuration on top of file '$PROG'."
fi

if ! test -r "$console_jnlp"; then
    die 2 "Cannot read redirection service JNLP file '$console_jnlp'. You can download it from a ILOM-enabled host (Remote Control -> Redirection -> Launch Remote Console)."
fi


# set the 32-bit Java environment: StorageRedir.jar is not compatible
# with 64-bit Java (who said "write once run anywhere"?)
export PATH=$JAVA_HOME/bin:$PATH

require_command java
require_command javaws
require_command mktemp

host=$(ilom-address "$1")
jnlptmp=$(mktemp -t "${PROG}.${host}.jnlp.XXXXXX") \
    || die 3 "Cannot create temporary file."
trap "rm -f '$jnlptmp';" EXIT INT TERM

# the JNLP embeds the name of the host where it was downloaded from in
# several places; replace all those references
orig=$(grep --only-matching -E 'codebase="https://[A-Za-z0-9_.-]+' "$console_jnlp" | cut -d / -f3)
sed -e "s|${orig}|${host}|g" < "$console_jnlp" > "$jnlptmp"

javaws "$jnlptmp"

exit $?