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80 lines
2.2 KiB
Bash
80 lines
2.2 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: 2021-11-26 11:19:24 +0000 (Fri, 26 Nov 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 "${DEBUG:-}" ] && set -x
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srcdir="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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# shellcheck disable=SC1090,SC1091
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. "$srcdir/lib/utils.sh"
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# shellcheck disable=SC2034,SC2154
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usage_description="
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Finds the latest Kubernetes Autoscaler release that matches your local kubnernetes cluster version using kubectl and the GitHub API
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Useful to populate eks-cluster-autoscaler-kustomization.yaml image override in https://github.com/HariSekhon/Kubernetes-configs
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Requires Kubectl to be installed and configured, as well as jq
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"
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# used by usage() in lib/utils.sh
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# shellcheck disable=SC2034
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usage_args="[<major.minor version>]"
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help_usage "$@"
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version="${1:-}"
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if [ -n "$version" ]; then
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if ! [[ "$version" =~ ^[[:digit:]]+\.[[:digit:]]+$ ]]; then
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usage "invalid kubernetes major.minor version given"
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fi
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else
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version="$( kubectl version -o json | jq -r '.serverVersion | .major + "." + .minor | gsub("[+]"; "")' )"
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fi
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output="$(curl -sS https://api.github.com/repos/kubernetes/autoscaler/releases?per_page=100)"
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echo -n "Kubernetes version: "
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jq -r '
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first(
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.[] |
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select(.tag_name | test("cluster-autoscaler-'"$version"'")) |
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.tag_name
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) |
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gsub("cluster-autoscaler-"; "")
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' <<< "$output"
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#echo
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#echo -n "Helm Chart: "
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#echo "Kubernetes versions / Charts:"
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#echo
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#jq -r '
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# .[] |
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# select(.tag_name | test("cluster-autoscaler")) |
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# .tag_name |
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# gsub("cluster-autoscaler-chart-"; "chart ") |
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# gsub("cluster-autoscaler-"; "kubernetes ")
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#' <<< "$output"
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echo
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if type -P helm &>/dev/null; then
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echo "Helm Chart: "
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echo
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if ! helm repo list | grep -q '^cluster-autoscaler[[:space:]]'; then
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helm repo add cluster-autoscaler https://kubernetes.github.io/autoscaler
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fi
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helm search repo cluster-autoscaler -l |
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grep -m 1 "$version"
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fi
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