90 lines
3.0 KiB
Bash
90 lines
3.0 KiB
Bash
#!/bin/bash
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#-----------------------------------------------------------------------------------------------
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# --------------------- Common Shared Functions for Unraid Scripts -----------------------------
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#-----------------------------------------------------------------------------------------------
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#----------------- User Variables, Please adjust in Master.conf as needed ----------------------
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#-----------------------------------------------------------------------------------------------
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#
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# Nothing to adjust here, all user variables should be in Master.conf
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#
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# This is just a script that has all common functions and logic that are shared
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# between the different scripts.
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#
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# This way we can avoid code duplication and have a single source
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# of truth for all common functions and logic.
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#-----------------------------------------------------------------------------------------------
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#---------------End Of User Variables, Please adjust in Master.conf as needed ------------------
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#-----------------------------------------------------------------------------------------------
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# Load Master.conf relative to calling script
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load_master_conf() {
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local script_dir
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script_dir="$(cd "$(dirname "${BASH_SOURCE[1]}")" && pwd)"
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local master_conf="$script_dir/../Master.conf"
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if [ -f "$master_conf" ]; then
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source "$master_conf"
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echo "Loaded Master.conf from $master_conf"
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else
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echo "Error: Master.conf not found at $master_conf"
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exit 1
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fi
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}
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# Parse CLI arguments (flags + VAR=value overrides)
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parse_args() {
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DRY_RUN=${DRY_RUN:-false}
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for ARG in "$@"; do
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if [[ "$ARG" == *=* ]]; then
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local VAR_NAME="${ARG%%=*}"
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local VAR_VALUE="${ARG#*=}"
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if declare -p "$VAR_NAME" &>/dev/null; then
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if [[ "$VAR_NAME" =~ ^[A-Za-z_][A-Za-z0-9_]*$ ]]; then
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printf -v "$VAR_NAME" '%s' "$VAR_VALUE"
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echo "Overriding $VAR_NAME -> $VAR_VALUE"
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else
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echo "Warning: Invalid variable name $VAR_NAME"
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fi
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else
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echo "Warning: Unknown variable $VAR_NAME, ignoring."
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fi
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else
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case "$ARG" in
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--dry-run|-n)
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DRY_RUN=true
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;;
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--help|-h)
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echo "Usage: script [--dry-run|-n] [VAR=value ...]"
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exit 0
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;;
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*)
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echo "Warning: Unknown argument $ARG"
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;;
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esac
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fi
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done
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}
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# Validate integer (non-negative)
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validate_int() {
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local name="$1"
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local value="$2"
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if ! [[ "${value:-}" =~ ^[0-9]+$ ]]; then
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echo "Error: $name must be a non-negative integer."
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exit 1
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fi
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}
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# Optional: require variable to be set
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require_var() {
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local var="$1"
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if [[ -z "${!var:-}" ]]; then
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echo "Error: Required variable $var is not set."
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exit 1
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fi
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} |