Transform terraform hcl var #13
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,119 @@ | ||
| #!/bin/bash | ||
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| install_jq(){ | ||
| OS=$(uname -s) | ||
| if [[ "$OS" == "Darwin" ]]; then | ||
| OS="macos" | ||
| elif [[ "$OS" == "Linux" ]]; then | ||
| OS="linux" | ||
| else | ||
| echo "Unsupported OS: $OS" | ||
| exit 1 | ||
| fi | ||
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| ARCH=$(uname -m) | ||
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| JQ_BIN="/tmp/jq" | ||
| url="https://github.com/jqlang/jq/releases/download/jq-1.8.1/jq-${OS}-${ARCH}" | ||
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| curl -L -o $JQ_BIN $url | ||
| chmod +x $JQ_BIN | ||
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| } | ||
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| install_hcl2json(){ | ||
| OS=$(uname -s) | ||
| if [[ "$OS" == "Darwin" ]]; then | ||
| OS="darwin" | ||
| elif [[ "$OS" == "Linux" ]]; then | ||
| OS="linux" | ||
| else | ||
| echo "Unsupported OS: $OS" | ||
| exit 1 | ||
| fi | ||
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| ARCH=$(uname -m) | ||
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| HCL2JSON_BIN="/tmp/hcl2json" | ||
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| url="https://github.com/tmccombs/hcl2json/releases/download/v0.6.7/hcl2json_${OS}_${ARCH}" | ||
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| echo $url | ||
| curl -L -o $HCL2JSON_BIN $url | ||
| chmod +x $HCL2JSON_BIN | ||
| } | ||
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| INPUT_FILE_JSON="$1" | ||
| if [ -z "$INPUT_FILE_JSON" ]; then | ||
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| echo "Usage: $0 <input_file.json>" | ||
| exit 1 | ||
| fi | ||
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| install_jq | ||
| install_hcl2json | ||
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| # Read entire JSON array into a variable | ||
| json_data=$(cat "$INPUT_FILE_JSON") | ||
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| # Use jq to get the length of array | ||
| length=$($JQ_BIN length <<<"$json_data") | ||
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| # Create a temporary file to store updated objects | ||
| tmpfile=$(mktemp) | ||
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| for ((i=0; i<length; i++)); do | ||
| # Extract ith object | ||
| obj=$($JQ_BIN ".[$i]" <<<"$json_data") | ||
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| JSON_PATH=".VCSConfig.iacInputData.data" | ||
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| # Extract the value at JSON_PATH from the object | ||
| val=$($JQ_BIN -c "$JSON_PATH" <<<"$obj") | ||
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| # If val is null or not an object, skip | ||
| if [[ "$val" == "null" || $($JQ_BIN 'type' <<<"$val") != "\"object\"" ]]; then | ||
| echo "$obj" >> "$tmpfile" | ||
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| continue | ||
| fi | ||
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| # Initialize new_val as empty object | ||
| new_val="{}" | ||
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| # Loop over key-value pairs in val | ||
| keys=$($JQ_BIN -r 'keys[]' <<<"$val") | ||
| for key in $keys; do | ||
| # Get the string value for the key | ||
| value=$($JQ_BIN --arg k "$key" '.[$k]' <<<"$val" | sed 's/\\"/"/g') | ||
| value="${value%\"}" | ||
| value="${value#\"}" | ||
| value="temp = $value" | ||
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| # Heuristic: if value contains '=', treat as HCL string | ||
| if [[ "$value" == *"="* ]]; then | ||
| # Convert HCL to JSON using hcl2json | ||
| parsed=$(echo -e "$value" | $HCL2JSON_BIN | $JQ_BIN -c '.temp') | ||
| if [[ $? -eq 0 && "$parsed" != "" ]]; then | ||
| # Add parsed json as the key's value | ||
| new_val=$($JQ_BIN --arg k "$key" --argjson v "$parsed" '. + {($k): $v}' <<<"$new_val") | ||
| else | ||
| # If parse fails, keep original string | ||
| echo "parsing failed: $value" | ||
| new_val=$($JQ_BIN --arg k "$key" --arg v "$value" '. + {($k): $v}' <<<"$new_val") | ||
| fi | ||
| else | ||
| # Not HCL, keep as string | ||
| new_val=$($JQ_BIN --arg k "$key" --arg v "$value" '. + {($k): $v}' <<<"$new_val") | ||
| fi | ||
| done | ||
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| # Update the object by assigning new_val back at JSON_PATH | ||
| updated_obj=$($JQ_BIN --argjson nv "$new_val" "$JSON_PATH = \$nv" <<<"$obj") | ||
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| # Save updated object | ||
| echo "$updated_obj" >> "$tmpfile" | ||
| done | ||
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| # Combine updated objects into an array and overwrite the original file | ||
| $JQ_BIN -s '.' "$tmpfile" > "$INPUT_FILE_JSON" | ||
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| rm "$tmpfile" $HCL2JSON_BIN $JQ_BIN | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
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@@ -15,4 +15,4 @@ terraform { | |
| version = "~> 3.2.1" | ||
| } | ||
| } | ||
| } | ||
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