Mateusz Suski
77 lines
2.2 KiB
Bash
Executable File
77 lines
2.2 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -o errexit
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set -o nounset
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set -o pipefail
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SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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# shellcheck source=00_env.sh
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. "$SCRIPT_DIR/00_env.sh"
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DEVICES=""
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SERVERS=""
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OUTPUT=""
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usage() {
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printf 'Usage: %s --fs <filesystem> --devices "/dev/sdb /dev/sdc" --servers "node1,node2" --failure-group <number> --pool <storage_pool> --usage <dataOnly|metadataOnly|dataAndMetadata> [--output <path>]\n' "$(basename "$0")"
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}
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while [[ "$#" -gt 0 ]]; do
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case "$1" in
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--fs) FILESYSTEM="${2:-}"; shift 2 ;;
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--devices) DEVICES="${2:-}"; shift 2 ;;
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--servers) SERVERS="${2:-}"; shift 2 ;;
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--failure-group) FAILURE_GROUP="${2:-}"; shift 2 ;;
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--pool) STORAGE_POOL="${2:-}"; shift 2 ;;
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--usage) USAGE="${2:-}"; shift 2 ;;
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--output) OUTPUT="${2:-}"; shift 2 ;;
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-h|--help) usage; exit 0 ;;
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*) critical "Unknown argument: $1"; usage; exit 2 ;;
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esac
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done
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if [[ -z "$FILESYSTEM" || -z "$DEVICES" || -z "$SERVERS" || -z "$FAILURE_GROUP" || -z "$STORAGE_POOL" || -z "$USAGE" ]]; then
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critical "Missing required input"
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usage
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exit 2
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fi
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if ! [[ "$FAILURE_GROUP" =~ ^-?[0-9]+$ ]]; then
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critical "--failure-group must be an integer"
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exit 2
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fi
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if ! usage_value_valid "$USAGE"; then
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critical "--usage must be one of: dataOnly, metadataOnly, dataAndMetadata"
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exit 2
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fi
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if [[ -z "$OUTPUT" ]]; then
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OUTPUT="/tmp/gpfs_nsd_${FILESYSTEM}_${TIMESTAMP}.stanza"
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fi
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safe_fs="$(printf '%s' "$FILESYSTEM" | tr -c '[:alnum:]_' '_')"
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{
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printf '# Generated GPFS NSD stanza for filesystem %s\n' "$FILESYSTEM"
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printf '# Review with storage and cluster teams before use.\n\n'
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for device in $DEVICES; do
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if [[ "$device" != /dev/* ]]; then
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critical "Device must be an absolute /dev path: $device"
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exit 2
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fi
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device_base="$(basename "$device" | tr -c '[:alnum:]_' '_')"
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nsd_name="nsd_${safe_fs}_${device_base}"
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printf '%%nsd:\n'
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printf ' device=%s\n' "$device"
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printf ' nsd=%s\n' "$nsd_name"
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printf ' servers=%s\n' "$SERVERS"
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printf ' usage=%s\n' "$USAGE"
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printf ' failureGroup=%s\n' "$FAILURE_GROUP"
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printf ' pool=%s\n\n' "$STORAGE_POOL"
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done
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} > "$OUTPUT"
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ok "Generated NSD stanza: $OUTPUT"
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warning "This script only writes a stanza file. It does not create NSDs or modify GPFS."
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