added aws_ecr_tags_old.sh

aws_ecr_tags_old.sh

@@ -0,0 +1,71 @@
+#!/usr/bin/env bash
+#  vim:ts=4:sts=4:sw=4:et
+#  args: haritest:1.0 stable
+#
+#  Author: Hari Sekhon
+#  Date: 2021-12-10 11:53:32 +0000 (Fri, 10 Dec 2021)
+#
+#  https://github.com/HariSekhon/bash-tools
+#
+#  License: see accompanying Hari Sekhon LICENSE file
+#
+#  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
+#
+#  https://www.linkedin.com/in/HariSekhon
+#
+
+set -euo pipefail
+[ -n "${DEBUG:-}" ] && set -x
+srcdir="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+
+# shellcheck disable=SC1090
+. "$srcdir/lib/aws.sh"
+
+# shellcheck disable=SC2034,SC2154
+usage_description="
+Lists old tags for a given AWS ECR image > \$days old
+
+The \$days threshold defaults to (365 * 2) ie. 2 years old
+
+You can grep and pipe this output to
+
+    | xargs aws_ecr_delete_tag.sh
+
+to clean out old CI image builds to save S3 storage costs on old CI images you no longer use
+
+
+$usage_aws_cli_required
+
+
+See Also:
+
+    aws_ecr_tags_timestamps.sh - lists tags and timestamps - useful for comparing with the output from this script
+
+    aws_ecr_*.sh - scripts for AWS Elastic Container Registry
+
+    gcr_*.sh - scripts for Google Container Registry
+"
+
+# used by usage() in lib/utils.sh
+# shellcheck disable=SC2034
+usage_args="<image> [<days_threshold> <aws_cli_options>]"
+
+help_usage "$@"
+
+min_args 1 "$@"
+
+image="$1"
+
+# 2 years old images by default
+days_threshold="${2:-$((365 * 2))}"
+
+shift || :
+shift || :
+
+date_threshold="$(date '+%FT%T+00:00' --utc --date="$days_threshold days ago")"
+
+aws ecr describe-images --repository-name "$image" "$@" |
+jq -r ".imageDetails[] |
+       select(.imagePushedAt < \"$date_threshold\") |
+       [\"$image\" + \":\" + .imageTags[]] |
+       .[]"