formatted sm-summary output as JSON.

sm-summary_json

#!/usr/bin/bash
#
# Provides SmartMachine summary of information.
# Joyent 2012.
# JSON OPTION Author: github_id:sawanoboly

PATH="/opt/local/bin:/opt/local/gnu/bin:/opt/local/sbin:/usr/bin:/usr/sbin";

JSON=0
OPT=
while getopts j OPT
do
  case $OPT in
    j) JSON=1
       ;;
  esac
done
shift `expr $OPTIND - 1`

SM_UUID=$(zonename);
SM_ID=$(zoneadm list -p | awk -F: '{ print $1 }');
SM_HOSTNAME=$(hostname);

if [[ -f /etc/product ]]; then
        SM_IMAGE=$(cat /etc/product | grep "^Image:" | awk -F': ' '{ print $2 }') || SM_IMAGE="NA";
        SM_IMAGE=${SM_IMAGE:-$(cat /etc/product | grep Dataset | awk '{ print $2 " " $3 }')} || SM_IMAGE="NA";
        SM_IMAGE=${SM_IMAGE:-NA} || SM_IMAGE="NA";
        SM_DOC=$(cat /etc/product | grep "^Documentation:" | awk -F': ' '{ print $2 }') || SM_DOC="NA";
        SM_DOC=${SM_DOC:-NA} || SM_DOC="NA";
        SM_BASEIMAGE=$(cat /etc/product | grep "^Base Image:" | awk -F': ' '{ print $2 }') || SM_BASEIMAGE="NA";
        SM_BASEIMAGE=${SM_BASEIMAGE:-NA} || SM_BASEIMAGE="NA";
else
        SM_IMAGE="NA";
        SM_DOC="NA";
        SM_BASEIMAGE="NA";
fi

[[ -f /opt/local/etc/pkg_install.conf ]] && SM_PKGSRC=$(cat /opt/local/etc/pkg_install.conf | awk -F= '{ print $2 }') || SM_PKGSRC="Not installed";
SM_BUILD=$(uname -v);
SM_NPROCS=$(kstat -p -n nprocs_zone_${SM_ID} -s usage | awk '{ print $2 }');
SM_MEMCAP=$(kstat -p -c zone_caps -n lockedmem_zone_${SM_ID} -s value | awk '{print $2/1024/1024 }');
SM_MEMUSED=$(prstat -Z -s rss 1 1 | awk -v zone=${SM_UUID} '$8 ~ zone { printf("%d", $4 ) }');
SM_MEMFREE=$(echo "${SM_MEMCAP}-${SM_MEMUSED}" | bc);
SM_SWAPCAP=$(kstat -p -c zone_caps -n swapresv_zone_${SM_ID} -s value | awk '{ print $2/1024/1024 }');
SM_SWAPUSED=$(kstat -p -c zone_caps -n swapresv_zone_${SM_ID} -s usage | awk '{ printf("%d", $2/1024/1024) }');
SM_TMPUSED=$(du -hs /tmp | awk '{ print $1 }');
SM_DISKQUOTA=$(df -h / | tail -1 | awk '{ print $2 }');
SM_DISKUSED=$(df -P -h / | tail -1 | awk '{ print $5 }');

case $JSON in
  0)
echo "* Gathering SmartMachine summary..";
cat << EOF
SM UUID             ${SM_UUID}
SM ID               ${SM_ID}
Hostname            ${SM_HOSTNAME}
SmartOS build       ${SM_BUILD} 
Image               ${SM_IMAGE}
Base Image          ${SM_BASEIMAGE}
Documentation       ${SM_DOC}
Pkgsrc              ${SM_PKGSRC}
Processes           ${SM_NPROCS}
Memory (RSS) Cap    ${SM_MEMCAP}M
Memory (RSS) Used   ${SM_MEMUSED}M
Memory (RSS) Free   ${SM_MEMFREE}M
Swap Cap            ${SM_SWAPCAP}M
Swap Used           ${SM_SWAPUSED}M
/tmp Used           ${SM_TMPUSED}
Disk Quota          ${SM_DISKQUOTA}
% Disk Used         ${SM_DISKUSED}
EOF
  ;;
  1) 
cat << EOF
{
"sm_uuid":             "${SM_UUID}",
"sm_id":               "${SM_ID}",
"hostname":            "${SM_HOSTNAME}",
"smartos_build":       "${SM_BUILD}",
"image":               "${SM_IMAGE}",
"base_image":          "${SM_BASEIMAGE}",
"documentation":       "${SM_DOC}",
"pkgsrc":              "${SM_PKGSRC}",
"processes":           "${SM_NPROCS}",
"memory_rss_cap_mb":    "${SM_MEMCAP}",
"memory_rss_used_mb":   "${SM_MEMUSED}",
"memory_rss_free_mb":   "${SM_MEMFREE}",
"swap_cap":            "${SM_SWAPCAP}",
"swap_used":           "${SM_SWAPUSED}",
"tmp_used":           "${SM_TMPUSED}",
"disk_quota":          "${SM_DISKQUOTA}",
"percentage_disk_used":         "${SM_DISKUSED}"
}
EOF
  :
  ;;
esac

Usage

# /opt/local/bin/sm-summary_json -j                            
{
"SM_UUID":             "------------------------------------------------------",
"SM_ID":               "297",
"Hostname":            "------------------------------------------------------",
"SmartOS_build":       "joyent_20120614T001014Z",
"Image":               "standard 1.0.7",
"Base_Image":          "NA",
"Documentation":       "http://wiki.joyent.com/jpc2/SmartMachine+Standard",
"Pkgsrc":              "http://pkgsrc.joyent.com/sdc6/2012Q1/i386/All",
"Processes":           "38",
"Memory_RSS_Cap_MB":    "1024",
"Memory_RSS_Used_MB":   "152",
"Memory_RSS_Free_MB":   "872",
"Swap_Cap":            "1024",
"Swap_Used":           "348",
"/tmp_Used":           "4.0K",
"Disk_Quota":          "32G",
"Percentage_Disk_Used":         "6%"
}

Example

# /opt/local/bin/sm-summary_json -j | json Image               
standard 1.0.7