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@slachiewicz

slachiewicz/metadata.sh

Forked from atheiman/metadata.sh
Created August 29, 2021 17:53
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  1. @atheiman atheiman revised this gist Aug 4, 2021. 1 changed file with 20 additions and 0 deletions.
    20 changes: 20 additions & 0 deletions metadata.sh
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    Original file line number Diff line number Diff line change
    @@ -1,5 +1,25 @@
    # https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ec2-instance-metadata.html

    METADATA_TOKEN="$(curl -s -X PUT 'http://169.254.169.254/latest/api/token' -H 'X-aws-ec2-metadata-token-ttl-seconds: 21600')"
    AVAILABILITY_ZONE="$(curl -s -H "X-aws-ec2-metadata-token: $METADATA_TOKEN" http://169.254.169.254/latest/meta-data/placement/availability-zone)"
    export AWS_REGION="$(echo "$AVAILABILITY_ZONE" | rev | cut -c 2- | rev)"
    export AWS_DEFAULT_REGION="$AWS_REGION"
    export INSTANCE_ID="$(curl -s -H "X-aws-ec2-metadata-token: $METADATA_TOKEN" http://169.254.169.254/latest/meta-data/instance-id)"

    # Instance identity documents is another very useful interface with many key value pairs in json format
    # https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/instance-identity-documents.html
    curl -s -H "X-aws-ec2-metadata-token: $METADATA_TOKEN" http://169.254.169.254/latest/dynamic/instance-identity/document
    # {
    # "accountId" : "111111111111",
    # "architecture" : "x86_64",
    # "availabilityZone" : "us-east-1a",
    # ...
    # "imageId" : "ami-0123456789",
    # "instanceType" : "t2.small",
    # ...
    # "pendingTime" : "2021-08-04T16:20:26Z",
    # "privateIp" : "10.0.0.1",
    # ...
    # "region" : "us-east-1",
    # "version" : "2017-09-30"
    # }
  2. @atheiman atheiman revised this gist Aug 3, 2021. 1 changed file with 1 addition and 1 deletion.
    2 changes: 1 addition & 1 deletion metadata.sh
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    Original file line number Diff line number Diff line change
    @@ -2,4 +2,4 @@ METADATA_TOKEN="$(curl -s -X PUT 'http://169.254.169.254/latest/api/token' -H 'X
    AVAILABILITY_ZONE="$(curl -s -H "X-aws-ec2-metadata-token: $METADATA_TOKEN" http://169.254.169.254/latest/meta-data/placement/availability-zone)"
    export AWS_REGION="$(echo "$AVAILABILITY_ZONE" | rev | cut -c 2- | rev)"
    export AWS_DEFAULT_REGION="$AWS_REGION"
    INSTANCE_ID="$(curl -s -H "X-aws-ec2-metadata-token: $METADATA_TOKEN" http://169.254.169.254/latest/meta-data/instance-id)"
    export INSTANCE_ID="$(curl -s -H "X-aws-ec2-metadata-token: $METADATA_TOKEN" http://169.254.169.254/latest/meta-data/instance-id)"
  3. @atheiman atheiman created this gist Mar 25, 2021.
    5 changes: 5 additions & 0 deletions metadata.sh
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    @@ -0,0 +1,5 @@
    METADATA_TOKEN="$(curl -s -X PUT 'http://169.254.169.254/latest/api/token' -H 'X-aws-ec2-metadata-token-ttl-seconds: 21600')"
    AVAILABILITY_ZONE="$(curl -s -H "X-aws-ec2-metadata-token: $METADATA_TOKEN" http://169.254.169.254/latest/meta-data/placement/availability-zone)"
    export AWS_REGION="$(echo "$AVAILABILITY_ZONE" | rev | cut -c 2- | rev)"
    export AWS_DEFAULT_REGION="$AWS_REGION"
    INSTANCE_ID="$(curl -s -H "X-aws-ec2-metadata-token: $METADATA_TOKEN" http://169.254.169.254/latest/meta-data/instance-id)"