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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: 2021-02-25 10:10:53 +0000 (Thu, 25 Feb 2021)
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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 "${DEBUG:-}" ] && set -x
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tmpdir="/tmp/.kube"
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mkdir -pv "$tmpdir"
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default_kubeconfig="${HOME:-$(cd ~ && pwd)}/.kube/config"
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original_kubeconfig="${KUBECONFIG:-$default_kubeconfig}"
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# reload safety - do not source from new tmpdir - not necessary for direnv but useful for local sourcing tests
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#if [[ "$original_kubeconfig" =~ $tmpdir ]]; then
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# echo "ignoring \$KUBECONFIG=$original_kubeconfig, using default home location $default_kubeconfig"
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# original_kubeconfig="${HOME:-$(cd ~ && pwd)}/.kube/config"
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#fi
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# isolate the kubernetes context to avoid a race condition affecting any other shells or scripts
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export KUBECONFIG="$tmpdir/config.${EUID:-${UID:-$(id -u)}}.$$"
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# load your real
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#cp ~/.kube/config "$KUBECONFIG"
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cp "$original_kubeconfig" "$KUBECONFIG"
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# XXX: replace MYCONTEXT
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kubectl config use-context MYCONTEXT
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