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57 lines
1.6 KiB
Bash
57 lines
1.6 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: 2023-02-06 16:45:18 +0000 (Mon, 06 Feb 2023)
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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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. "$srcdir/lib/utils.sh"
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# shellcheck disable=SC2034,SC2154
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usage_description="
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Renames all IAM user accounts from one domain to another
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Useful after company mergers / migrations where you go from firstname.lastname@company1.com to firstname.lastname@company2.com
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(even if using mostly AWS SSO you may still need this for your root management account's IAM users)
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Group memberships and permissions are retained
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Expects that the user@ prefix portion (eg. first.last@) stays the same before and after company migration
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Requires AWS CLI and jq to be installed and configured
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"
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# used by usage() in lib/utils.sh
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# shellcheck disable=SC2034
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usage_args="<old_domain> <new_domain>"
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help_usage "$@"
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num_args 2 "$@"
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old_domain="$1"
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new_domain="$2"
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aws iam list-users |
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jq -r '.Users[].UserName' |
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{ grep "@$old_domain$" || : ; } |
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while read -r username; do
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new_username="${username/$old_domain/$new_domain}"
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timestamp "Renaming $username -> $new_username"
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aws iam update-user --user-name "$username" --new-user-name "$new_username"
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echo
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done
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