Marek Miklewicz
117 lines
4.3 KiB
Bash
Executable File
117 lines
4.3 KiB
Bash
Executable File
#!/bin/bash
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set -Eeuo pipefail
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SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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PLUGIN_DIR="$(cd "$SCRIPT_DIR/.." && pwd)"
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COMMON_FILE="$SCRIPT_DIR/mysql_common.sh"
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NATIVE_MY_CNF="${NATIVE_MY_CNF:-/etc/my.cnf}"
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NATIVE_MY_CNF_D="${NATIVE_MY_CNF_D:-/etc/my.cnf.d}"
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NATIVE_MYSQL_CONF="${NATIVE_MYSQL_CONF:-/usr/local/directadmin/conf/mysql.conf}"
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CUSTOMBUILD_OPTIONS_CONF="${CUSTOMBUILD_OPTIONS_CONF:-/usr/local/directadmin/custombuild/options.conf}"
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NEW_NATIVE_PORT="${NEW_NATIVE_PORT:-3307}"
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DA_CLI_BIN="${DA_CLI_BIN:-da}"
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OS_RELEASE_FILE="${OS_RELEASE_FILE:-/etc/os-release}"
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LOG_FILE="${NATIVE_TAKEOVER_LOG:-$PLUGIN_DIR/data/logs/native-port-takeover.log}"
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mkdir -p "$(dirname "$LOG_FILE")" 2>/dev/null || true
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log() {
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printf '[%s] %s\n' "$(date '+%Y-%m-%d %H:%M:%S')" "$*" >> "$LOG_FILE"
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printf '[INFO] %s\n' "$*"
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}
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die() {
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log "ERROR: $*"
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printf '[BŁĄD] %s\n' "$*" >&2
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exit 1
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}
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# --- state populated by the detection functions, consumed by later steps ---
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NATIVE_CURRENT_PORT=""
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NATIVE_CURRENT_SOCKET=""
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NATIVE_CURRENT_HOST=""
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NATIVE_CURRENT_USER=""
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NATIVE_CURRENT_PASS=""
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NATIVE_CURRENT_MYSQL_INST=""
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require_root() {
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[ "$(id -u)" -eq 0 ] || die "Ten skrypt musi zostać uruchomiony jako root."
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}
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check_os_guard() {
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[ -r "$OS_RELEASE_FILE" ] || die "Nie można odczytać $OS_RELEASE_FILE."
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local os_id="" os_version=""
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os_id="$(awk -F= '$1=="ID"{gsub(/"/,"",$2); print $2}' "$OS_RELEASE_FILE")"
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os_version="$(awk -F= '$1=="VERSION_ID"{gsub(/"/,"",$2); print $2}' "$OS_RELEASE_FILE")"
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[ "$os_id" = "almalinux" ] || die "Ten skrypt obsługuje wyłącznie AlmaLinux 8/9 (wykryto: ${os_id:-nieznany})."
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case "$os_version" in
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8*|9*) ;;
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*) die "Ten skrypt obsługuje wyłącznie AlmaLinux 8/9 (wykryto wersję: ${os_version:-nieznana})." ;;
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esac
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log "Wykryto obsługiwany system: AlmaLinux $os_version."
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}
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read_native_mysql_conf() {
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[ -r "$NATIVE_MYSQL_CONF" ] || die "Nie znaleziono pliku $NATIVE_MYSQL_CONF."
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NATIVE_CURRENT_USER="$(mysql_read_key_value "$NATIVE_MYSQL_CONF" user || true)"
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NATIVE_CURRENT_PASS="$(mysql_read_key_value "$NATIVE_MYSQL_CONF" passwd || true)"
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NATIVE_CURRENT_PORT="$(mysql_read_key_value "$NATIVE_MYSQL_CONF" port || true)"
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NATIVE_CURRENT_SOCKET="$(mysql_read_key_value "$NATIVE_MYSQL_CONF" socket || true)"
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NATIVE_CURRENT_HOST="$(mysql_read_key_value "$NATIVE_MYSQL_CONF" host || true)"
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[ -n "$NATIVE_CURRENT_USER" ] || die "Nie udało się odczytać pola user z $NATIVE_MYSQL_CONF."
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[ -n "$NATIVE_CURRENT_PORT" ] || die "Nie udało się odczytać pola port z $NATIVE_MYSQL_CONF."
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}
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read_current_mysql_inst() {
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[ -r "$CUSTOMBUILD_OPTIONS_CONF" ] || die "Nie znaleziono pliku $CUSTOMBUILD_OPTIONS_CONF."
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NATIVE_CURRENT_MYSQL_INST="$(mysql_read_key_value "$CUSTOMBUILD_OPTIONS_CONF" mysql_inst || true)"
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[ -n "$NATIVE_CURRENT_MYSQL_INST" ] || die "Nie udało się odczytać mysql_inst z $CUSTOMBUILD_OPTIONS_CONF."
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log "Bieżąca wartość mysql_inst: $NATIVE_CURRENT_MYSQL_INST."
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}
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already_migrated() {
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[ "$NATIVE_CURRENT_PORT" != "3306" ]
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}
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check_native_reachable() {
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local bin
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bin="$(mysql_detect_binary mysql)" || die "Nie znaleziono klienta mysql/mariadb do sprawdzenia natywnej instancji."
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MYSQL_PWD="$NATIVE_CURRENT_PASS" "$bin" \
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--user="$NATIVE_CURRENT_USER" \
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--protocol=TCP --host=127.0.0.1 --port="$NATIVE_CURRENT_PORT" \
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-e "SELECT 1" >/dev/null 2>>"$LOG_FILE" \
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|| die "Natywna instancja MariaDB nie odpowiada na porcie $NATIVE_CURRENT_PORT z bieżącymi poświadczeniami."
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log "Natywna instancja MariaDB odpowiada na porcie $NATIVE_CURRENT_PORT."
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}
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port_is_listening() {
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local port="$1"
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if command -v ss >/dev/null 2>&1; then
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ss -ltn "( sport = :$port )" 2>/dev/null | awk 'NR > 1 { found=1 } END { exit !found }'
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return $?
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fi
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if command -v lsof >/dev/null 2>&1; then
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lsof -nP -iTCP:"$port" -sTCP:LISTEN >/dev/null 2>&1
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return $?
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fi
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log "Nie znaleziono ss ani lsof - zakładam, że port $port jest wolny."
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return 1
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}
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preflight_new_port_free() {
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if port_is_listening "$NEW_NATIVE_PORT"; then
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die "Port $NEW_NATIVE_PORT jest już zajęty. Zmień NEW_NATIVE_PORT i spróbuj ponownie."
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fi
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log "Port docelowy $NEW_NATIVE_PORT jest wolny."
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}
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[ -r "$COMMON_FILE" ] || die "missing helper: $COMMON_FILE"
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# shellcheck source=./mysql_common.sh
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source "$COMMON_FILE"
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if [[ "${BASH_SOURCE[0]}" == "${0}" ]]; then
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: # main() is added in Task 4.
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fi
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