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93 lines
2.8 KiB
Bash
93 lines
2.8 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/DevOps-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 "${DEBUG:-}" ] && set -x
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srcdir="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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# shellcheck disable=SC1090
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. "$srcdir/lib/aws.sh"
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# shellcheck disable=SC2034,SC2154
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usage_description="
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Search CloudWatch Logs, inserting a more human friendly hours ago optional args to generate the --start-time and --end-time epochs in milliseconds
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Defaults to finding logs in the last 24 hours but can optionally take an hours argument to search the last N hours
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You must supply the --log-group-name and --filter-pattern arguments in addition to potentially supplying the hours ago args at the start
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Examples:
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${0##*/} --log-group-name aws-controltower/CloudTrailLogs --filter-pattern '{ ($.eventSource = \"batch.amazonaws.com\") && ($.eventName = \"SubmitJob\") }'
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${0##*/} 48 ... # start 48 hours ago to present
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${0##*/} 24 3 ... # start 24 hours ago up to to 3 hours ago
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${0##*/} --start-time \"\$(date +%s --date='2021-12-21')000\" --end-time \"\$(date +%s --date='2021-12-23')000\" ... # explicitly calculated dates, using standard AWS CLI options (now you see why I default to the simple hours ago optional args)
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Output Format in AWS JSON
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$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 "$@"
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min_args 4 "$@"
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export AWS_DEFAULT_OUTPUT=json
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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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if ! [[ "$*" =~ --start-time ]]; then
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args+=( --start-time "$(date '+%s' --date="$hours_ago_start hours ago")000" )
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fi
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if ! [[ "$*" =~ --end-time ]]; then
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args+=( --end-time "$(date '+%s' --date="$hours_ago_end hours ago")000" )
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fi
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aws logs filter-log-events ${args[@]:+"${args[@]}"} \
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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 $@
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#--end-time "$(date '+%s')000" \
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