Created
October 31, 2022 07:23
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dump a deployed helm release into individual manifest files
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#!/usr/bin/env bash | |
set -euo pipefail | |
# ./helmdump.sh [target-chart] [output-dir] [namespace] | |
# $1: the target char | |
# $2: the output directory, must be a relative path | |
# $3: optional namespace, if not provided the current namespace is used | |
targetChart="$1" | |
outputDir="$PWD/${2%/}" | |
namespace="${3:-"$(kubectl config view --minify -o jsonpath='{..namespace}')"}" | |
mkdir -p "$outputDir" | |
ws="$(mktemp -d)" | |
trap "rm -rf $ws" EXIT ERR | |
cd "$ws" | |
helm status "$targetChart" -o json -n "$namespace" | jq -r '.manifest' >manifests.yaml | |
kustomize init | |
kustomize edit add resource manifests.yaml | |
kustomize edit set namespace "$namespace" | |
kustomize build . --output "$outputDir/" | |
cd - |
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