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yaronf/ec2-metadata

Created March 7, 2012 16:48
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  1. yaronf revised this gist Mar 7, 2012. 1 changed file with 25 additions and 0 deletions.
    25 changes: 25 additions & 0 deletions ec2-metadata
    View file
    Original file line number Diff line number Diff line change
    @@ -11,6 +11,9 @@
    #affiliates. #
    #########################################################################

    # Minor additions: Yaron Sheffer, Porticor
    # Mirrored: https://gist.github.com/1994302

    function print_help()
    {
    echo "ec2-metadata v0.1
    @@ -28,6 +31,7 @@ Options:
    -l/--ami-launch-index The index of this instance in the reservation (per AMI).
    -m/--ami-manifest-path The manifest path of the AMI with which the instance was launched.
    -n/--ancestor-ami-ids The AMI IDs of any instances that were rebundled to create this AMI.
    -N/--network Network details, including VPC.
    -b/--block-device-mapping Defines native device names to use when exposing virtual devices.
    -i/--instance-id The ID of this instance
    -t/--instance-type The type of instance to launch. For more information, see Instance Types.
    @@ -104,6 +108,24 @@ if [ $(echo $x|grep 404|wc -l) -eq 0 ]; then
    fi
    }

    #print network
    function print_network()
    {
    echo 'network: '
    x=$(curl -s http://169.254.169.254/latest/meta-data/network/interfaces/macs/)
    if [ $(echo $x|grep 404|wc -l) -eq 0 ]; then
    for i in $x; do
    echo -e '\t' $i:
    items=$(curl -s http://169.254.169.254/latest/meta-data/network/interfaces/macs/$i)
    for item in $items; do
    echo -e '\t\t' $item: $(curl -s http://169.254.169.254/latest/meta-data/network/interfaces/macs/$x/$item)
    done
    done
    else
    echo not available
    fi
    }

    #print block-device-mapping
    function print_block-device-mapping()
    {
    @@ -315,6 +337,7 @@ print_public-keys
    print_ramdisk-id
    print_reservation-id
    print_security-groups
    print_network
    print_user_data
    }

    @@ -337,6 +360,8 @@ while [ "$1" != "" ]; do
    ;;
    -n | --ancestor-ami-ids ) print_ancestor-ami-ids
    ;;
    -N | --network ) print_network
    ;;
    -b | --block-device-mapping ) print_block-device-mapping
    ;;
    -i | --instance-id ) print_instance-id
  2. yaronf renamed this gist Mar 7, 2012. 1 changed file with 0 additions and 0 deletions.
    0 ec2-metadata.sh → ec2-metadata
    View file
    File renamed without changes.
  3. yaronf created this gist Mar 7, 2012.
    380 changes: 380 additions & 0 deletions ec2-metadata.sh
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    Original file line number Diff line number Diff line change
    @@ -0,0 +1,380 @@
    #!/bin/bash
    #
    #########################################################################
    #This software code is made available "AS IS" without warranties of any #
    #kind. You may copy, display, modify and redistribute the software #
    #code either by itself or as incorporated into your code; provided that #
    #you do not remove any proprietary notices. Your use of this software #
    #code is at your own risk and you waive any claim against Amazon #
    #Digital Services, Inc. or its affiliates with respect to your use of #
    #this software code. (c) 2006-2007 Amazon Digital Services, Inc. or its #
    #affiliates. #
    #########################################################################

    function print_help()
    {
    echo "ec2-metadata v0.1
    Use to retrieve EC2 instance metadata from within a running EC2 instance.
    e.g. to retrieve instance id: ec2-metadata -i
    to retrieve ami id: ec2-metadata -a
    to get help: ec2-metadata --help
    For more information on Amazon EC2 instance meta-data, refer to the documentation at
    http://docs.amazonwebservices.com/AWSEC2/2008-05-05/DeveloperGuide/AESDG-chapter-instancedata.html
    Usage: ec2-metadata <option>
    Options:
    --all Show all metadata information for this host (also default).
    -a/--ami-id The AMI ID used to launch this instance
    -l/--ami-launch-index The index of this instance in the reservation (per AMI).
    -m/--ami-manifest-path The manifest path of the AMI with which the instance was launched.
    -n/--ancestor-ami-ids The AMI IDs of any instances that were rebundled to create this AMI.
    -b/--block-device-mapping Defines native device names to use when exposing virtual devices.
    -i/--instance-id The ID of this instance
    -t/--instance-type The type of instance to launch. For more information, see Instance Types.
    -h/--local-hostname The local hostname of the instance.
    -o/--local-ipv4 Public IP address if launched with direct addressing; private IP address if launched with public addressing.
    -k/--kernel-id The ID of the kernel launched with this instance, if applicable.
    -z/--availability-zone The availability zone in which the instance launched. Same as placement
    -c/--product-codes Product codes associated with this instance.
    -p/--public-hostname The public hostname of the instance.
    -v/--public-ipv4 NATted public IP Address
    -u/--public-keys Public keys. Only available if supplied at instance launch time
    -r/--ramdisk-id The ID of the RAM disk launched with this instance, if applicable.
    -e/--reservation-id ID of the reservation.
    -s/--security-groups Names of the security groups the instance is launched in. Only available if supplied at instance launch time
    -d/--user-data User-supplied data.Only available if supplied at instance launch time."
    }

    #check some basic configurations before running the code
    function chk_config()
    {
    #check if run inside an ec2-instance
    x=$(curl -s http://169.254.169.254/)
    if [ $? -gt 0 ]; then
    echo '[ERROR] Command not valid outside EC2 instance. Please run this command within a running EC2 instance.'
    exit 1
    fi
    }

    #print ami-id
    function print_ami-id()
    {
    echo -n 'ami-id: '
    x=$(curl -s http://169.254.169.254/latest/meta-data/ami-id)
    if [ $(echo $x|grep 404|wc -l) -eq 0 ]; then
    echo $x
    else
    echo not available
    fi
    }

    #print ami-launch-index
    function print_ami-launch-index()
    {
    echo -n 'ami-launch-index: '
    x=$(curl -s http://169.254.169.254/latest/meta-data/ami-launch-index)
    if [ $(echo $x|grep 404|wc -l) -eq 0 ]; then
    echo $x
    else
    echo not available
    fi
    }

    #print ami-manifest-path
    function print_ami-manifest-path()
    {
    echo -n 'ami-manifest-path: '
    x=$(curl -s http://169.254.169.254/latest/meta-data/ami-manifest-path)
    if [ $(echo $x|grep 404|wc -l) -eq 0 ]; then
    echo $x
    else
    echo not available
    fi
    }

    #print ancestor-amis
    function print_ancestor-ami-ids()
    {
    echo -n 'ancestor-ami-ids: '
    x=$(curl -s http://169.254.169.254/latest/meta-data/ancestor-ami-ids)
    if [ $(echo $x|grep 404|wc -l) -eq 0 ]; then
    echo $x
    else
    echo not available
    fi
    }

    #print block-device-mapping
    function print_block-device-mapping()
    {
    echo 'block-device-mapping: '
    x=$(curl -s http://169.254.169.254/latest/meta-data/block-device-mapping/)
    if [ $(echo $x|grep 404|wc -l) -eq 0 ]; then
    for i in $x; do
    echo -e '\t' $i: $(curl -s http://169.254.169.254/latest/meta-data/block-device-mapping/$i)
    done
    else
    echo not available
    fi
    }

    #print instance-id
    function print_instance-id()
    {
    echo -n 'instance-id: '
    x=$(curl -s http://169.254.169.254/latest/meta-data/instance-id)
    if [ $(echo $x|grep 404|wc -l) -eq 0 ]; then
    echo $x
    else
    echo not available
    fi
    }

    #print instance-type
    function print_instance-type()
    {
    echo -n 'instance-type: '
    x=$(curl -s http://169.254.169.254/latest/meta-data/instance-type)
    if [ $(echo $x|grep 404|wc -l) -eq 0 ]; then
    echo $x
    else
    echo not available
    fi
    }

    #print local-hostname
    function print_local-hostname()
    {
    echo -n 'local-hostname: '
    x=$(curl -s http://169.254.169.254/latest/meta-data/local-hostname)
    if [ $(echo $x|grep 404|wc -l) -eq 0 ]; then
    echo $x
    else
    echo not available
    fi
    }

    #print local-ipv4
    function print_local-ipv4()
    {
    echo -n 'local-ipv4: '
    x=$(curl -s http://169.254.169.254/latest/meta-data/local-ipv4)
    if [ $(echo $x|grep 404|wc -l) -eq 0 ]; then
    echo $x
    else
    echo not available
    fi
    }

    #print kernel-id
    function print_kernel-id()
    {
    echo -n 'kernel-id: '
    x=$(curl -s http://169.254.169.254/latest/meta-data/kernel-id)
    if [ $(echo $x|grep 404|wc -l) -eq 0 ]; then
    echo $x
    else
    echo not available
    fi
    }

    #print placement
    function print_placement()
    {
    echo -n 'placement: '
    x=$(curl -s http://169.254.169.254/latest/meta-data/placement/availability-zone)
    if [ $(echo $x|grep 404|wc -l) -eq 0 ]; then
    echo $x
    else
    echo not available
    fi
    }

    #print product-codes
    function print_product-codes()
    {
    echo -n 'product-codes: '
    x=$(curl -s http://169.254.169.254/latest/meta-data/product-codes)
    if [ $(echo $x|grep 404|wc -l) -eq 0 ]; then
    echo $x
    else
    echo not available
    fi
    }

    #print public-hostname
    function print_public-hostname()
    {
    echo -n 'public-hostname: '
    x=$(curl -s http://169.254.169.254/latest/meta-data/public-hostname)
    if [ $(echo $x|grep 404|wc -l) -eq 0 ]; then
    echo $x
    else
    echo not available
    fi
    }

    #print public-ipv4
    function print_public-ipv4()
    {
    echo -n 'public-ipv4: '
    x=$(curl -s http://169.254.169.254/latest/meta-data/public-ipv4)
    if [ $(echo $x|grep 404|wc -l) -eq 0 ]; then
    echo $x
    else
    echo not available
    fi
    }

    #print public-keys
    function print_public-keys()
    {
    echo 'public-keys: '
    x=$(curl -s http://169.254.169.254/latest/meta-data/public-keys/)
    if [ $(echo $x|grep 404|wc -l) -eq 0 ]; then
    for i in $x; do
    index=$(echo $i|cut -d = -f 1)
    keyname=$(echo $i|cut -d = -f 2)
    echo keyname:$keyname
    echo index:$index
    format=$(curl -s http://169.254.169.254/latest/meta-data/public-keys/$index/)
    echo format:$format
    echo 'key:(begins from next line)'
    echo $(curl -s http://169.254.169.254/latest/meta-data/public-keys/$index/$format)
    done
    else
    echo not available
    fi
    }

    #print ramdisk-id
    function print_ramdisk-id()
    {
    echo -n 'ramdisk-id: '
    x=$(curl -s http://169.254.169.254/latest/meta-data/ramdisk-id)
    if [ $(echo $x|grep 404|wc -l) -eq 0 ]; then
    echo $x
    else
    echo not available
    fi
    }

    #print reservation-id
    function print_reservation-id()
    {
    echo -n 'reservation-id: '
    x=$(curl -s http://169.254.169.254/latest/meta-data/reservation-id)
    if [ $(echo $x|grep 404|wc -l) -eq 0 ]; then
    echo $x
    else
    echo not available
    fi
    }

    #print security-groups
    function print_security-groups()
    {
    echo -n 'security-groups: '
    x=$(curl -s http://169.254.169.254/latest/meta-data/security-groups)
    if [ $(echo $x|grep 404|wc -l) -eq 0 ]; then
    echo $x
    else
    echo not available
    fi
    }

    #print user data
    function print_user_data()
    {
    echo -n 'user-data: '
    x=$(curl -s http://169.254.169.254/latest/user-data)
    if [ $(echo $x|grep 404|wc -l) -eq 0 ]; then
    echo $x
    else
    echo not available
    fi
    }

    function print_all()
    {
    print_ami-id
    print_ami-launch-index
    print_ami-manifest-path
    print_ancestor-ami-ids
    print_block-device-mapping
    print_instance-id
    print_instance-type
    print_local-hostname
    print_local-ipv4
    print_kernel-id
    print_placement
    print_product-codes
    print_public-hostname
    print_public-ipv4
    print_public-keys
    print_ramdisk-id
    print_reservation-id
    print_security-groups
    print_user_data
    }

    #check if run inside an EC2 instance
    chk_config

    #command called in default mode
    if [ "$#" -eq 0 ]; then
    print_all
    fi

    #start processing command line arguments
    while [ "$1" != "" ]; do
    case $1 in
    -a | --ami-id ) print_ami-id
    ;;
    -l | --ami-launch-index ) print_ami-launch-index
    ;;
    -m | --ami-manifest-path ) print_ami-manifest-path
    ;;
    -n | --ancestor-ami-ids ) print_ancestor-ami-ids
    ;;
    -b | --block-device-mapping ) print_block-device-mapping
    ;;
    -i | --instance-id ) print_instance-id
    ;;
    -t | --instance-type ) print_instance-type
    ;;
    -h | --local-hostname ) print_local-hostname
    ;;
    -o | --local-ipv4 ) print_local-ipv4
    ;;
    -k | --kernel-id ) print_kernel-id
    ;;
    -z | --availability-zone ) print_placement
    ;;
    -c | --product-codes ) print_product-codes
    ;;
    -p | --public-hostname ) print_public-hostname
    ;;
    -v | --public-ipv4 ) print_public-ipv4
    ;;
    -u | --public-keys ) print_public-keys
    ;;
    -r | --ramdisk-id ) print_ramdisk-id
    ;;
    -e | --reservation-id ) print_reservation-id
    ;;
    -s | --security-groups ) print_security-groups
    ;;
    -d | --user-data ) print_user_data
    ;;
    -h | --help ) print_help
    exit
    ;;
    --all ) print_all
    exit
    ;;
    * ) print_help
    exit 1
    esac
    shift
    done