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82 lines
2.7 KiB
Bash
82 lines
2.7 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: 2022-02-25 18:14:24 +0000 (Fri, 25 Feb 2022)
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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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. "$srcdir/lib/utils.sh"
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# shellcheck disable=SC2034,SC2154
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usage_description="
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Finds all given resource references in ./*.tf code not in Terraform state and imports them assuming the same resource name as Terraform ID in the code
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Will do nothing if the resource_type you specify doesn't match anything in the local code eg. 'github_repo' won't match, it must be the terraform type 'github_repository'
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This is a general case importer that will only cover basic use cases such as GitHub repos where the names usually match the terraform IDs
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(except for things like '.github' repo which is not a valid terraform identifier. Those must still be imported manually)
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If \$TERRAFORM_PLAN is set to any value, gets the resources from the Terraform Plan rather than ./*.tf
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If \$TERRAFORM_PRINT_ONLY is set to any value, prints the commands to stdout to collect so you can check, collect into a text file or pipe to a shell or further manipulate, ignore errors etc.
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Requires Terraform to be installed and configured
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"
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# used by usage() in lib/utils.sh
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# shellcheck disable=SC2034
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usage_args="<resource_type> [<dir>]"
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help_usage "$@"
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min_args 1 "$@"
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resource_type="$1"
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dir="${2:-.}"
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cd "$dir"
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timestamp "getting terraform state"
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terraform_state_list="$(terraform state list)"
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echo >&2
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if [ -n "${TERRAFORM_PLAN:-}" ]; then
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timestamp "getting terraform plan"
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plan="$(terraform plan -no-color)"
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echo >&2
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timestamp "getting '$resource_type' from terraform plan output"
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grep -E "^[[:space:]]*resource[[:space:]]+\"$resource_type\"" <<< "$plan"
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else
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timestamp "getting '$resource_type' from $PWD/*.tf code"
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grep -E "^[[:space:]]*resource[[:space:]]+\"$resource_type\"" ./*.tf
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fi |
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awk '{gsub("\"", "", $3); print $3}' |
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while read -r resource; do
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echo >&2
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if grep -q "$resource_type\\.$resource$" <<< "$terraform_state_list"; then
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echo "'$resource_type.$resource' already in terraform state, skipping..." >&2
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continue
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fi
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cmd="terraform import $resource_type.$resource $resource"
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timestamp "$cmd"
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if [ -n "${TERRAFORM_PRINT_ONLY:-}" ]; then
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echo "$cmd"
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else
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$cmd
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fi
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done
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