ilom-console-history

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

## defaults
lines=25


## usage and version text

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

Show the last lines output to the ILOM SP serial console.

Options:

  --all, -A   Show the whole recorded console history.
              (May be very long!)

  --lines, -n NUM
              Only show the last NUM lines (default: $lines).

  --help, -h  Print this help text.

EOF
}


## helper functions
die () {
  rc="$1"
  shift
  (echo -n "$PROG: ERROR: ";
      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

short_opts='an:h'
long_opts='all,lines:,help'

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
        --all|-a)   lines=0 ;;
        --lines|-n) lines="$2"; shift ;;
        --help|-h)  usage; exit 0 ;;
        --)         shift; break ;;
    esac
    shift
done

var=$1

## main

require_command ssh

for host in "$@"; do
    echo "==== ${host} ===="
    echo -e "set /HOST/console line_count=${lines}\nshow /HOST/console/history\nexit" \
        | ssh -T $(ilom-address "$host")
done