Thomas Stallinger
1a38f8ef3c
These are run as standalone subprocesses via run_module()/source, which requires the execute bit. Missing since their initial creation - only noticed because manually chmod'd copies were used for testing on anode, never the checked-in files. Would have failed on a fresh checkout.
71 lines
1.8 KiB
Bash
Executable File
71 lines
1.8 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -Eeuo pipefail
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SCRIPT_NAME="$(basename "${BASH_SOURCE[0]}")"
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readonly SCRIPT_NAME
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SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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readonly SCRIPT_DIR
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BACKENDS_DIR="$(cd "${SCRIPT_DIR}/../../backends" && pwd)"
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readonly BACKENDS_DIR
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readonly ORCHESTRATOR_BLUEPRINT_FILE="/run/tuxflotte/runtime/runtime_blueprint.json"
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log() {
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printf '[%s] %s\n' "${SCRIPT_NAME}" "$*" >&2
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}
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fatal() {
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printf '[%s] FEHLER: %s\n' "${SCRIPT_NAME}" "$*" >&2
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exit 1
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}
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require_root() {
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if [[ "${EUID}" -ne 0 ]]; then
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fatal "Das Backend-Modul muss als root ausgeführt werden."
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fi
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}
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load_backend() {
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local backend_id
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local backend_script
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[[ -r "${ORCHESTRATOR_BLUEPRINT_FILE}" ]] ||
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fatal "Runtime Blueprint nicht gefunden: ${ORCHESTRATOR_BLUEPRINT_FILE}"
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backend_id="$(jq --raw-output '.runtime_blueprint.backend_id // empty' "${ORCHESTRATOR_BLUEPRINT_FILE}")"
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[[ -n "${backend_id}" ]] ||
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fatal "Runtime Blueprint enthält keine gültige Backend-ID."
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backend_script="${BACKENDS_DIR}/${backend_id}/backend.sh"
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[[ -r "${backend_script}" ]] ||
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fatal "Kein Backend für '${backend_id}' gefunden: ${backend_script}"
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log "Lade Backend '${backend_id}' aus ${backend_script}"
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# shellcheck disable=SC1090
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source "${backend_script}"
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}
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run_lifecycle() {
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local step
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for step in backend_init backend_validate backend_generate_config backend_launch backend_postinstall; do
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declare -f "${step}" >/dev/null ||
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fatal "Backend implementiert erforderliche Funktion nicht: ${step}"
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log "Führe ${step}() aus."
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"${step}" ||
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fatal "${step}() ist fehlgeschlagen."
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done
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}
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main() {
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require_root
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load_backend
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run_lifecycle
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}
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main "$@"
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