info

#!/bin/bash
set -e

os="$(uname)"
linux=false
darwin=false
if [ "$os" == "Linux" ]; then
  linux=true
elif [ "$os" == "Darwin" ]; then
  darwin=true
fi

if [ "$(type -t perlbrew || true)" != "function" ]; then
  function perlbrew {
    if [ -z "$PERLBREW_ROOT" ]; then
      if [ -e "$HOME/perl5/perlbrew/etc/bashrc" ]; then
        export PERLBREW_ROOT="$HOME/perl5/perlbrew"
      fi
    fi
    unset -f perlbrew
    source "$PERLBREW_ROOT/etc/bashrc"
    perlbrew "$@"
  }
fi

sudo=
if sudo -v 2>/dev/null; then
  sudo=1
fi

function _indent {
  sed -e's/^/    /'
}

echo "
# Machine Info
Generated at $(date).

## Hostname
    $(hostname -f)

## sudo
$( [ -n "$sudo" ] && echo "Available" || echo "Unavailable" )
"

$darwin && echo "
## OS X Version
$(sw_vers | _indent)
"

$linux && echo "
## Kernel
$(cat /proc/version | _indent)

## Distro Info
$([ -e /etc/lsb-release ] && cat /etc/lsb-release | _indent)

$([ -e /etc/debian_version ] && cat /etc/debian_version | _indent)
"

echo "
## Free memory
$( (free -t -m 2>/dev/null || vm_stat ) | _indent)

## Filesystem Info
$(df -h | _indent)

$(mount | grep '^/' | _indent)

## Network Configuration
$( (ip addr 2>/dev/null || ifconfig ) | _indent)

## Environment
$(perl -e'my ($length) = sort { $b <=> $a } map { length } keys %ENV; printf "%${length}s = %s\n", $_, $ENV{$_} for sort grep { $_ ne "SSH_KEY_PASS" } keys %ENV' | _indent)

## CPU Info

Processor count: $(
  if [ -e /proc/cpuinfo ]; then
    grep -E '^processor\s*:' /proc/cpuinfo | wc -l
  else
    sysctl -n hw.ncpu
  fi
)

$(
( [ -e /proc/cpuinfo ] && perl -0777 -p -e 's/\n\n.*/\n/s' /proc/cpuinfo || sysctl -a | grep '^machdep\.cpu\.' ) | _indent
)

## Processes
$(ps="$(ps fuxawww 2>/dev/null || ps uxawww)"; echo "$ps" | _indent)
"

[ -n "$sudo" ] && ( which service &>/dev/null ) && echo "
## Services
$(sudo service --status-all 2>&1 | _indent)
"

echo "
## Perls
$(perlbrew list | _indent)

## Packages
"
$linux && echo "$(dpkg -l | _indent)"
$darwin && echo "$(brew list | _indent)"

[ -e /proc/1/cgroup ] && echo "
## cgroups
$(cat /proc/1/cgroup | _indent)
"

$darwin && echo "
## System Profile
$(system_profiler 2>/dev/null | _indent)
"

exit 0