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43 lines
1.1 KiB
Bash
43 lines
1.1 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: 2020-08-28 15:04:50 +0100 (Fri, 28 Aug 2020)
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#
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# https://github.com/harisekhon/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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. "$srcdir/lib/utils.sh"
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# shellcheck disable=SC2034,SC2154
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usage_description="
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Runs a quick busybox pod on Kubernetes to debug networking / dns
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Shares the same busybox pod for successive invocations of this script for speed
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"
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# used by usage() in lib/utils.sh
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# shellcheck disable=SC2034
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usage_args="[<kubectl_options>]"
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help_usage "$@"
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name=busybox
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if kubectl get po "$name" "$@" &>/dev/null; then
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kubectl exec -ti "$name" "$@" -- /bin/sh
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else
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kubectl run -ti --rm --restart=Never "$name" --image=busybox "$@" -- /bin/sh
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fi
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