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105 lines
2.9 KiB
Bash
105 lines
2.9 KiB
Bash
#!/usr/bin/env bash
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# vim:ts=4:sts=4:sw=4:et
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#
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# Author: Hari Sekhon
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# Date: 2021-12-23 12:14:19 +0000 (Thu, 23 Dec 2021)
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#
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# https://github.com/HariSekhon/bash-tools
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#
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# License: see accompanying Hari Sekhon LICENSE file
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#
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# If you're using my code you're welcome to connect with me on LinkedIn and optionally send me feedback to help steer this or other code I publish
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#
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# https://www.linkedin.com/in/HariSekhon
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#
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set -euo pipefail
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[ -n "${DEBUG:-}" ] && set -x
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srcdir="$(dirname "${BASH_SOURCE[0]}")"
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# shellcheck disable=SC1090
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. "$srcdir/lib/aws.sh"
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# shellcheck disable=SC2034,SC2154
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usage_description="
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Searches CloudWatch Logs for AWS ECS task run requests in the last 24 hours to trace through to services incurring high EC2 charges such as large AWS Batch jobs
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Defaults to finding logs in the last 24 hours but can optionally take an hours argument to search the last N hours, and can optionally take other AWS CLI options
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Example:
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${0##*/}
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${0##*/} 48 # 48 hours ago to present
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${0##*/} 24 12 # 24 hours ago to 12 hours ago
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Output Format:
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<timestamp> <user> <task_definition:version>
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eg.
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2021-12-23T02:05:34Z aws-batch MyJob:11
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$usage_aws_cli_required
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"
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# used by usage() in lib/utils.sh
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# shellcheck disable=SC2034
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usage_args="[<hours_ago_start> <hours_ago_end> <aws_cli_options>]"
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help_usage "$@"
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#min_args 1 "$@"
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hours_ago_start=24
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hours_ago_end=0
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if [ -n "${1:-}" ] &&
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! [[ "${1:-}" =~ ^- ]]; then
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hours_ago_start="$1"
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shift || :
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fi
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if [ -n "${1:-}" ] &&
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! [[ "${1:-}" =~ ^- ]]; then
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hours_ago_end="$1"
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shift || :
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fi
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if ! [[ "$hours_ago_start" =~ ^[[:digit:]]+$ ]]; then
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usage "invalid value given for hours ago start argument, must be an integer"
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fi
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if ! [[ "$hours_ago_end" =~ ^[[:digit:]]+$ ]]; then
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usage "invalid value given for hours ago end argument, must be an integer"
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fi
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aws logs filter-log-events --log-group-name aws-controltower/CloudTrailLogs \
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--start-time "$(date '+%s' --date="$hours_ago_start hours ago")000" \
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--end-time "$(date '+%s' --date="$hours_ago_end hours ago")000" \
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--filter-pattern '{ ($.eventSource = "ecs.amazonaws.com") && ($.eventName = "RunTask") }' \
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"$@" |
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#--max-items 1 \
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# --region eu-west-2 # set AWS_DEFAULT_REGION or pass --region via $@
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jq -r '.events[].message' |
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if [ -n "${DEBUG:-}" ]; then
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data="$(cat)"
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jq -r -s . <<< "$data" >&2
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cat <<< "$data"
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else
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cat
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fi |
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# 2021-12-23T02:05:34Z aws-batch arn:aws:ecs:eu-west-2:123456789012:task-definition/MyJob:11
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jq -r -s '.[] |
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[
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.eventTime,
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( .userIdentity.principalId | sub("^\\w+:"; "") ),
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( .requestParameters.taskDefinition | sub("arn:aws:ecs:[\\w-]+:\\d+:task-definition/"; "") )
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] |
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@tsv'
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