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feat(setup-k8s-tools): Add Helm signature verification toggle #87

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Merged
NickLarsenNZ merged 2 commits into from
Nov 25, 2025
Merged

feat(setup-k8s-tools): Add Helm signature verification toggle #87

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1c57838
feat(setup-k8s-tools): Add Helm signature verification toggle
Techassi Nov 25, 2025
52391b3
chore: Apply suggestions
Techassi Nov 25, 2025
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9 changes: 6 additions & 3 deletions .scripts/actions/install_helm.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -7,14 +7,17 @@ PLATFORM=$("$GITHUB_ACTION_PATH/../.scripts/actions/get_platform.sh")
ARCH=$("$GITHUB_ACTION_PATH/../.scripts/actions/get_architecture.sh")

FILENAME="helm-${HELM_VERSION}-${PLATFORM}-${ARCH}.tar.gz"
VERIFY_SIGNATURE="${VERIFY_SIGNATURE:-true}"

echo "::group::Install helm"
mkdir /tmp/helm
curl -fsSL -o /tmp/helm/helm.tar.gz "https://get.helm.sh/${FILENAME}"
curl -fsSL -o /tmp/helm/helm.tar.gz.asc "https://github.com/helm/helm/releases/download/${HELM_VERSION}/${FILENAME}.asc"

curl https://keybase.io/mattfarina/pgp_keys.asc | gpg --import
gpg --verify /tmp/helm/helm.tar.gz.asc /tmp/helm/helm.tar.gz
if [[ "$VERIFY_SIGNATURE" == "true" ]]; then
curl -fsSL -o /tmp/helm/helm.tar.gz.asc "https://github.com/helm/helm/releases/download/${HELM_VERSION}/${FILENAME}.asc"
curl https://keybase.io/mattfarina/pgp_keys.asc | gpg --import
gpg --verify /tmp/helm/helm.tar.gz.asc /tmp/helm/helm.tar.gz
fi

tar --directory="/tmp/helm" --strip-components=1 -zxvf /tmp/helm/helm.tar.gz "${PLATFORM}-${ARCH}"
# Overwrite the existing binary
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2 changes: 2 additions & 0 deletions setup-k8s-tools/action.yaml
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Expand Up @@ -35,5 +35,7 @@ runs:
env:
HELM_VERSION: ${{ inputs.helm-version }}
GITHUB_DEBUG: ${{ runner.debug }}
# The signature is expired since a couple of years...
VERIFY_SIGNATURE: "false"
shell: bash
run: "$GITHUB_ACTION_PATH/../.scripts/actions/install_helm.sh"