Aws ssm command execution

aws-ssm.sh

#!/bin/bash
set -eo pipefail
if [[ "$TRACE" ]]; then
    : ${START_TIME:=$(date +%s)}
    export START_TIME
    export PS4='+ [TRACE $BASH_SOURCE:$LINENO][ellapsed: $(( $(date +%s) -  $START_TIME ))] '
    set -x
fi

debug() {
  [[ "$DEBUG" ]] && echo "-----> $*" 1>&2
}

aws-ssm() {
    instanceId=$(aws ssm describe-instance-information --query InstanceInformationList[0].InstanceId --out text)

    debug "type your command in multi-line, end with <CTRL-d>"
    local commands=$(while read line; do echo -n "${line},"; done)

    commandId=$(
      aws ssm send-command \
        --output-s3-bucket-name seq-ssm  \
        --document-name  AWS-RunShellScript \
        --instance-ids $instanceId \
        --parameters "commands=${commands}echo DONE" \
        --query Command.CommandId --out text
    )

    debug "commandId=$commandId"

    debug "OUTPUT"
    aws s3 cp --only-show-errors s3://seq-ssm/$commandId/$instanceId/awsrunShellScript/0.aws:runShellScript/stdout . && cat stdout
}

main() {
  : ${DEBUG:=1}
  aws-ssm
}

[[ "$0" == "$BASH_SOURCE" ]] && main "$@" || true