Initial commit.

bin/chart-template

@@ -0,0 +1,65 @@
+#!/bin/bash
+# chart-template
+# Renders the template for a Helm chart using gomplate for values files
+# Usage: chart-template CHART [RELEASE_NAME] [NAMESPACE]
+
+set -e
+
+# Get script directories
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+REPO_ROOT="$(cd "${SCRIPT_DIR}/.." && pwd)"
+
+# Load environment variables if needed
+if [[ -f "${REPO_ROOT}/load-env.sh" ]]; then
+  source "${REPO_ROOT}/load-env.sh"
+fi
+
+# Print usage
+if [[ $# -lt 1 || "$1" == "-h" || "$1" == "--help" ]]; then
+  echo "Usage: $(basename $0) CHART [RELEASE_NAME] [NAMESPACE]"
+  echo ""
+  echo "Renders the Kubernetes templates for a chart with environment variable substitution."
+  echo ""
+  echo "  CHART        Chart name in charts/ directory"
+  echo "  RELEASE_NAME Release name (defaults to CHART)"
+  echo "  NAMESPACE    Namespace (defaults to RELEASE_NAME)"
+  echo ""
+  exit 1
+fi
+
+CHART="$1"
+RELEASE_NAME="${2:-$CHART}"
+NAMESPACE="${3:-$RELEASE_NAME}"
+
+# Check if chart exists
+CHART_PATH="${REPO_ROOT}/charts/${CHART}"
+if [[ ! -d "$CHART_PATH" ]]; then
+  echo "Error: Chart not found at ${CHART_PATH}"
+  exit 1
+fi
+
+# Check if template values file exists
+TPL_VALUES_FILE="${CHART_PATH}/values.template.yaml"
+if [[ ! -f "$TPL_VALUES_FILE" ]]; then
+  echo "Error: Template values file not found at ${TPL_VALUES_FILE}"
+  exit 1
+fi
+
+# Set variables needed for template
+export RELEASE_NAME="$RELEASE_NAME"
+export NAMESPACE="$NAMESPACE"
+export CHART="$CHART"
+
+# No headers - just let helm template output the YAML
+
+# Create temporary values file with gomplate
+TEMP_VALUES=$(mktemp)
+gomplate -f "$TPL_VALUES_FILE" > "$TEMP_VALUES"
+
+# Run helm template
+helm template "$RELEASE_NAME" "$CHART_PATH" \
+  --namespace "$NAMESPACE" \
+  --values "$TEMP_VALUES"
+
+# Clean up
+rm "$TEMP_VALUES"