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76 lines
2.3 KiB
Bash
76 lines
2.3 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: 2022-03-28 13:45:11 +0100 (Mon, 28 Mar 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,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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Find all Kubernetes API namespaced resource types and queries the current namespace for all of them
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Useful to scan the current namespace for all resources since 'kubectl get all' only returns select API objects
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Can set KUBECTL_GET_ALL_SEPARATOR environment variable, useful like this:
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KUBECTL_GET_ALL_SEPARATOR='---' ${0##*/} --all-namespaces -o yaml > dump.yaml
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Useful to be able to scan live Kubernetes objects with file linting tools like Pluto to detect deprecated live objects on the cluster affecting your Kubernetes cluster upgrades
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Requires Kubectl to be installed and configured
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"
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# used by usage() in lib/utils.sh
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# shellcheck disable=SC2034
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usage_args="[-n <namespace> | -A | --all-namespaces] [ <kubectl_get_options> ]"
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help_usage "$@"
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#min_args 1 "$@"
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non_gettable_resources="
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bindings
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localsubjectaccessreviews
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localsubjectaccessreviews.authorization.k8s.io
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selfsubjectaccessreviews.authorization.k8s.io
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selfsubjectrulesreviews.authorization.k8s.io
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subjectaccessreviews.authorization.k8s.io
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tokenreviews.authentication.k8s.io
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"
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if [[ "$*" =~ -A|--all-namespaces ]]; then
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kubectl api-resources -o name
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else
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kubectl api-resources --namespaced=true -o name
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fi |
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sort -fu |
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while read -r resource; do
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# Error from server (MethodNotAllowed): the server does not allow this method on the requested resource
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for non_gettable_resource in $non_gettable_resources; do
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[ "$resource" = "$non_gettable_resource" ] && continue 2
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done
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if [ -n "${KUBECTL_GET_ALL_SEPARATOR:-}" ]; then
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echo "$KUBECTL_GET_ALL_SEPARATOR"
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fi
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echo "# $resource:" >&2
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kubectl get "$resource" "$@" 2>&1 |
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sed '/No resources found/d'
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echo
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done
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