aws getinstanceid

getinstanceid

#!/bin/bash
set -euo pipefail

if [[ -z "$1" ]]; then
    echo "Need something to search for!"
    exit 1
fi

getdata() {
    local name="$1"
    local results=""

    results=$(aws ec2 describe-instances \
                --filter "Name=tag:Name,Values=${name}")
    echo "$results"
}

parsejson() {
    local input="$1"
    local jqargs=""

    jqargs=$(cat <<'EOF'
    .Reservations[].Instances[]
    | (.Tags | from_entries) as $tags
    | {
        id: .InstanceId,
        name: $tags.Name,
        ip: {
            private: .PrivateIpAddress,
            public: .PublicIpAddress,
            subnet: .SubnetId
        },
        machine: {
            state: .State.Name,
            type: .InstanceType
        },
        tags: $tags
    }
EOF
)
    echo "$input" | jq "$jqargs"
}

parsejson "$(getdata "$1")"