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64 lines
1.8 KiB
Bash
64 lines
1.8 KiB
Bash
1 year ago
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#!/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: 2020-09-09 11:37:14 +0100 (Wed, 09 Sep 2020)
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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,SC1091
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. "$srcdir/lib/utils.sh"
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# shellcheck disable=SC2034,SC2154
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usage_description="
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Lists Kubernetes container images running on the cluster along with their deployments, statefulsets of daemonsets that they belong to
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Useful to find which deployment, stateful or daemonset to upgrade such hunting down an images such as when the kubernetes project deprecated the k8s.gcr.io registry in favour of registry.k8s.io
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Output:
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<api> <kind> <namespace> <name> <image:tag>
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Requires kubectl to be in \$PATH and configured
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"
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# used by usage() in lib/utils.sh
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# shellcheck disable=SC2034
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usage_args=""
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help_usage "$@"
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1 year ago
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kubectl get deploy,sts,ds --all-namespaces -o json |
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1 year ago
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# jq trick {} expands out the sub-array elements
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jq -r '
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.items[] |
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{
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"api":.apiVersion,
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"kind": .kind,
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"namespace": .metadata.namespace,
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"name": .metadata.name,
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# jq trick having a list here causes the rest of this map to be duplicated one per list item
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"images": [.spec.template.spec.initContainers[]?.image, .spec.template.spec.containers[]?.image] | flatten[]
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} |
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[
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.api,
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.kind,
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.namespace,
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.name,
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.images
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] | @tsv
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' |
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sort -k3 -u |
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column -t
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