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@ -2,246 +2,207 @@
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import curses
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import subprocess
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screen = None
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# в curses зачем-то сделали задержку на срабатывание Escape, уменьшаем её до 1 милисекунды (до 0 нельзя)
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curses.set_escdelay(1)
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running = True
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# состояния меню
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SELECTED_WITHOUT_SEARCH = 1
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SELECTED_WITH_SEARCH = 2
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NOT_SELECTED_WITHOUT_SEARCH = 3
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NOT_SELECTED_WITH_SEARCH = 4
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stdscr = None
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def filter_words(words, start):
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return list(filter(lambda s: s.startswith(start), words))
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# я не знаю, что делается в этой функции.
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def init_screen():
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global screen
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screen = curses.initscr()
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screen.refresh()
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global stdscr
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stdscr = curses.initscr()
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stdscr.refresh()
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curses.noecho()
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curses.cbreak()
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screen.keypad(True)
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stdscr.keypad(True)
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curses.curs_set(0)
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init_screen()
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class Menu:
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def __init__(self, name, rows, begin_x, state):
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self.state = state
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def __init__(self, name, rows, begin_x):
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self.name = name # заголовок окна
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self.rows = rows # строки окна
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self.begin_x = begin_x # где начинается окно по х?
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self.win = curses.newwin(curses.LINES, curses.COLS // 3, 0,
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begin_x) # окно с высотой во весь экран, шириной экран / 3, и началом по х в точке begin_x
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self.win = curses.newwin(curses.LINES, curses.COLS // 3, 0, begin_x) # окно с высотой во весь экран, шириной экран / 3, и началом по х в точке begin_x
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self.win.box() # ?
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self.win.addstr(1, 2, self.name) # рисуем заголовок
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for index, row in enumerate(self.rows): # рисуем строки
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self.win.addstr(index + 3, 2, row) # + 3 потому что я хочу чтобы строки оборажались ниже заголовка на три строки
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self.row = 0 # выбранная строка
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self.filter = ""
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# рисуем первое меню
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## готовим контент
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bytes_list = subprocess.check_output(
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"kubectl get ns --no-headers -o template='{{range .items}}{{.metadata.name}} {{end}}'", shell=True).split()
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bytes_list = subprocess.check_output("kubectl get ns --no-headers -o template='{{range .items}}{{.metadata.name}} {{end}}'", shell=True).split()
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namespaces = [bytes_list[i].decode('utf-8') for i in range(len(bytes_list))]
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## отрисовываем меню
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menu1 = Menu("Namespaces", namespaces, 0, SELECTED_WITHOUT_SEARCH)
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menu1 = Menu("Namespaces", namespaces, 0)
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# рисуем второе меню
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## готовим контент
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api_resources = ["pods", "services", "deployments", "statefulsets", "ingresses", "configmaps", "secrets"]
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api_resources = ["pods", "services", "deployments", "ingresses"]
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## отрисовываем меню
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menu2 = Menu("API resources", api_resources, 0 + curses.COLS // 3, NOT_SELECTED_WITHOUT_SEARCH)
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menu2 = Menu("API resources", api_resources, 0 + curses.COLS // 3)
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# рисуем третье меню
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## готовим контент
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bytes_list = subprocess.check_output(
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"kubectl get pods -n kube-system --no-headers -o template='{{range .items}}{{.metadata.name}} {{end}}'",
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shell=True).split()
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bytes_list = subprocess.check_output("kubectl get pods -n kube-system --no-headers -o template='{{range .items}}{{.metadata.name}} {{end}}'", shell=True).split()
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pods = [bytes_list[i].decode('utf-8') for i in range(len(bytes_list))]
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## отрисовываем меню
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menu3 = Menu("Resources", pods, 0 + curses.COLS // 3 * 2, NOT_SELECTED_WITHOUT_SEARCH)
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menu3 = Menu("Resources", pods, 0 + curses.COLS // 3 * 2)
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menus = [menu1, menu2, menu3]
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def run_command(command, namespace, api_resource, resource):
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curses.def_shell_mode()
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curses.endwin()
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def run_command(command, current_menu, rows=None):
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namespace = menus[0].rows[menus[0].row]
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api_resource = menus[1].rows[menus[1].row]
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resource = menus[2].rows[menus[2].row]
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subprocess.call(eval(command), shell=True)
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curses.reset_shell_mode()
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init_screen()
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for menu in menus:
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menu.win.clear()
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menu.win.box()
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menu.win.addstr(1, 2, menu.name)
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if menu.name == "Namespaces":
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menu.win.addstr(curses.LINES - 2, 2, "Press / for search")
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if rows and menu.name == "Resources":
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menu.rows = rows
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menu.row = 0
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for index, row in enumerate(menu.rows):
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menu.win.addstr(index + 3, 2, row)
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menu.win.addstr(menu.row + 3, 2, menu.rows[menu.row], curses.A_REVERSE | curses.A_ITALIC)
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menus[current_menu].win.addstr(1, 2, menus[current_menu].name, curses.A_REVERSE | curses.A_ITALIC)
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def update_menu3():
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menu1_filtered_rows = list(filter(lambda x: (x.startswith(menu1.filter)), menu1.rows)) # фильтруем строки
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menu2_filtered_rows = list(filter(lambda x: (x.startswith(menu2.filter)), menu2.rows)) # фильтруем строки
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if not menu1_filtered_rows or not menu2_filtered_rows:
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resources = [f"No resources matched criteria.", ]
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else:
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namespace = menu1_filtered_rows[menu1.row]
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api_resource = menu2_filtered_rows[menu2.row]
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def navigate_horizontally(direction, current_menu):
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increment = {"right": 1, "left": -1}
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menus[current_menu].win.addstr(1, 2, menus[current_menu].name) # удаляем выделение с текущего меню
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current_menu = (current_menu + increment[direction]) % 3 # переходим к предыдущему/следующему меню
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menus[current_menu].win.addstr(1, 2, menus[current_menu].name, curses.A_REVERSE | curses.A_ITALIC) # и выделяем его
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return current_menu
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def navigate_vertically(direction, current_menu):
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increment = {"down": 1, "up": -1}
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if current_menu == 2 and menus[2].rows[menus[2].row].startswith("No resources"):
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return
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menu = menus[current_menu]
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menu.win.addstr(menu.row + 3, 2, menu.rows[menu.row]) # удаляем выделение с текущей строки
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menu.row = (menu.row + increment[direction]) % len(menu.rows) # переходим к предыдущей/следующей строке
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menu.win.addstr(menu.row + 3, 2, menu.rows[menu.row], curses.A_REVERSE | curses.A_ITALIC) # и выделяем её
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if current_menu != 2: # если изменился выбор нэймспейса или апи ресурса
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namespace = menus[0].rows[menus[0].row]
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api_resource = menus[1].rows[menus[1].row]
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command = "f'kubectl get {api_resource} -n {namespace} --no-headers -o template=\"{{{{range .items}}}}{{{{.metadata.name}}}} {{{{end}}}}\"'"
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bytes_list = subprocess.check_output(eval(command), shell=True).split()
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resources = [bytes_list[i].decode('utf-8') for i in range(len(bytes_list))]
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if not resources:
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resources = [f"No resources found in {namespace} namespace.", ]
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menu3.rows = resources
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menu3.row = 0
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resources = [f"No resources found in {namespace} namespace.",]
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run_command(command, current_menu, rows=resources)
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def draw_menu(menu):
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draw_header(menu) # рисуем заголовок
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draw_rows(menu) # рисуем строки меню
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draw_search_box(menu) # рисуем строку поиска
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def draw_header(menu):
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if menu.state in [1, 2]:
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menu.win.addstr(1, 2, menu.name, curses.A_REVERSE | curses.A_ITALIC)
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else:
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menu.win.addstr(1, 2, menu.name)
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menu.win.refresh() # обновляем окно
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def draw_rows(menu):
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filtered_rows = list(filter(lambda x: (x.startswith(menu.filter)), menu.rows)) # фильтруем строки
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for index, row in enumerate(filtered_rows): # рисуем то, что отфильтровали
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menu.win.addstr(index + 3, 2, row)
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if filtered_rows:
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menu.win.addstr(3, 2, filtered_rows[0], curses.A_REVERSE | curses.A_ITALIC) # выделяем первую строку
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menu.win.box()
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menu.win.refresh()
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def draw_search_box(menu):
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# рисуем строку поиска
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if menu.state in [2, 4]:
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content = f"/{menu.filter}"
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else:
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content = "Press / for search"
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menu.win.addstr(curses.LINES - 2, 2, content) # рисуем контент
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menu.win.clrtoeol() # очищаем остальную часть строки
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menu.win.box() # рисуем рамку
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menu.win.refresh() # обновляем окно
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def catch_input(menu):
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global running
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key_pressed = screen.getkey()
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if key_pressed == "/":
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menu.state = SELECTED_WITH_SEARCH
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elif key_pressed == "q" and menu.state == SELECTED_WITHOUT_SEARCH:
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running = False
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elif key_pressed == "\x1b" and menu.state == SELECTED_WITH_SEARCH: # Escape disables search mode
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menu.filter = ""
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menu.win.clear()
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draw_rows(menu)
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menu.state = SELECTED_WITHOUT_SEARCH
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elif key_pressed == "KEY_BACKSPACE" and menu.filter:
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menu.filter = menu.filter[:-1] # удаляем символ из строки поиска
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menu.win.clear()
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draw_menu(menu)
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elif key_pressed == "KEY_BACKSPACE" and not menu.filter:
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menu.state = SELECTED_WITHOUT_SEARCH
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elif key_pressed == '\t' or key_pressed == "KEY_RIGHT":
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navigate_horizontally("right", menu)
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elif key_pressed == "KEY_BTAB" or key_pressed == "KEY_LEFT":
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navigate_horizontally("left", menu)
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elif key_pressed == "KEY_DOWN":
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navigate_vertically("down", menu)
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elif key_pressed == "KEY_UP":
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navigate_vertically("up", menu)
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elif key_pressed in "gdle" and menu3.state in [1, 2] and menu3.rows and not menu3.rows[menu3.row].startswith("No resources"):
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menu3_filtered_rows = list(filter(lambda x: (x.startswith(menu3.filter)), menu3.rows)) # фильтруем строки меню 3
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if not menu3_filtered_rows:
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return
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menu1_filtered_rows = list(filter(lambda x: (x.startswith(menu1.filter)), menu1.rows)) # фильтруем строки
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menu2_filtered_rows = list(filter(lambda x: (x.startswith(menu2.filter)), menu2.rows)) # фильтруем строки
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namespace = menu1_filtered_rows[menu1.row]
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api_resource = menu2_filtered_rows[menu2.row]
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resource = menu3.rows[menu3.row]
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if key_pressed == 'g':
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command = f"f'kubectl -n {namespace} get {api_resource} {resource} -o yaml | batcat -l yaml --paging always --style numbers'"
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elif key_pressed == 'd':
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command = f"f'kubectl -n {namespace} describe {api_resource} {resource} | batcat -l yaml --paging always --style numbers'"
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elif key_pressed == 'l' and api_resource != "pods":
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return
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elif key_pressed == 'l' and api_resource == "pods":
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command = f"f'kubectl -n {namespace} logs {resource} | batcat -l log --paging always --style numbers'"
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if key_pressed == 'e':
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command = f"f'kubectl edit {api_resource} -n {namespace} {resource}'"
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# raise ValueError(str(menu.state) + ' ' + eval(command))
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run_command(command, namespace, api_resource, resource)
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elif (key_pressed.isalpha() or key_pressed == "-") and menu.state == SELECTED_WITH_SEARCH: # объекты в кубе не могут иметь иных символов кроме a-z и -
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menu.filter += key_pressed
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menu.win.clear()
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menu.row = 0
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draw_menu(menu)
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if menu != menu3 and not (key_pressed in ["KEY_RIGHT", "KEY_LEFT", "\t", "KEY_BTAB"] ):
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menu3.win.clear()
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update_menu3()
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draw_menu(menu3)
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def navigate_horizontally(direction, menu):
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increment = {"right": 1, "left": -1}
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# чтобы понять, какой порядковый номер у следующего/предыдущего меню, нужно сперва определить номер текущего меню
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menu_index = {menu1: 0, menu2: 1, menu3: 2}
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next_menu = menus[(menu_index[menu] + increment[direction]) % 3]
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if menu.filter:
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menu.state = NOT_SELECTED_WITH_SEARCH
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else:
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menu.state = NOT_SELECTED_WITHOUT_SEARCH
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draw_header(menu) # убираем выделение с текущего меню
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if next_menu.filter:
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next_menu.state = SELECTED_WITH_SEARCH
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else:
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next_menu.state = SELECTED_WITHOUT_SEARCH
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def navigate_vertically(direction, menu):
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increment = {"down": 1, "up": -1}
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filtered_rows = list(filter(lambda x: (x.startswith(menu.filter)), menu.rows)) # фильтруем строки
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if not filtered_rows or len(filtered_rows) == 1:
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return
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elif filtered_rows[menu.row].startswith("No resources"): # это касается только третьего меню
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return
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menu.win.addstr(menu.row + 3, 2, filtered_rows[menu.row]) # удаляем выделение с текущей строки
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menu.row = (menu.row + increment[direction]) % len(filtered_rows) # переходим к предыдущей/следующей строке
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menu.win.addstr(menu.row + 3, 2, filtered_rows[menu.row], curses.A_REVERSE | curses.A_ITALIC) # и выделяем её
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def main(screen):
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global running
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screen.refresh()
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# начальный экран
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def main(stdscr):
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search_mode = False
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search_string = ""
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stdscr.refresh()
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running = True
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current_menu = 0
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menus[current_menu].win.addstr(1, 2, menus[current_menu].name, curses.A_REVERSE | curses.A_ITALIC)
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for menu in menus:
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draw_menu(menu)
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menu.win.addstr(3, 2, menu.rows[menu.row], curses.A_REVERSE | curses.A_ITALIC)
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if menu.name == "Namespaces":
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menu.win.addstr(curses.LINES - 2, 2, "Press / for search")
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while running:
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### выбрано первое меню ###
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if menu1.state in [1, 2]:
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draw_header(menu1) # рисуем заголовок
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draw_search_box(menu1) # рисуем строку поиска
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catch_input(menu1) # перехватываем нажатия клавиш
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|
|
### выбрано второе меню ###
|
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|
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elif menu2.state in [1, 2]:
|
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|
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draw_header(menu2) # рисуем заголовок
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|
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draw_search_box(menu2) # рисуем строку поиска
|
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|
|
catch_input(menu2) # перехватываем нажатия клавиш
|
|
|
|
|
### выбрано третье меню ###
|
|
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|
|
elif menu3.state in [1, 2]:
|
|
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|
|
draw_header(menu3) # рисуем заголовок
|
|
|
|
|
draw_search_box(menu3) # рисуем строку поиска
|
|
|
|
|
catch_input(menu3) # перехватываем нажатия клавиш
|
|
|
|
|
[menu.win.refresh() for menu in menus] # refresh all menus
|
|
|
|
|
key_pressed = stdscr.getkey()
|
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|
|
|
|
|
|
|
if current_menu == 0:
|
|
|
|
|
if key_pressed == "/":
|
|
|
|
|
search_mode = True
|
|
|
|
|
if search_mode:
|
|
|
|
|
match key_pressed:
|
|
|
|
|
case '\t' | "KEY_RIGHT":
|
|
|
|
|
current_menu = navigate_horizontally("right", current_menu)
|
|
|
|
|
case "KEY_BTAB" | "KEY_LEFT":
|
|
|
|
|
current_menu = navigate_horizontally("left", current_menu)
|
|
|
|
|
case "KEY_DOWN":
|
|
|
|
|
navigate_vertically("down", current_menu)
|
|
|
|
|
case "KEY_UP":
|
|
|
|
|
navigate_vertically("up", current_menu)
|
|
|
|
|
case "KEY_BACKSPACE":
|
|
|
|
|
if search_string:
|
|
|
|
|
search_string = search_string[:-1]
|
|
|
|
|
else:
|
|
|
|
|
search_mode = False
|
|
|
|
|
if key_pressed.isalpha() or key_pressed == "-":
|
|
|
|
|
search_string += key_pressed
|
|
|
|
|
elif key_pressed == "/" and search_string == "":
|
|
|
|
|
pass
|
|
|
|
|
else:
|
|
|
|
|
continue
|
|
|
|
|
init_screen()
|
|
|
|
|
for menu in menus:
|
|
|
|
|
menu.win.clear() # очищаем окно
|
|
|
|
|
menu.win.box()
|
|
|
|
|
menu.win.addstr(1, 2, menu.name) # добавляем заголовок окна
|
|
|
|
|
if menu.name == "Namespaces":
|
|
|
|
|
menu.rows = list(filter(lambda x: (x.startswith(search_string)), namespaces)) # меняем строки у окна Namespaces
|
|
|
|
|
menu.row = 0
|
|
|
|
|
if search_mode:
|
|
|
|
|
menu.win.addstr(curses.LINES - 2, 2, f"/{search_string}")
|
|
|
|
|
else:
|
|
|
|
|
menu.win.addstr(curses.LINES - 2, 2, "Press / for search")
|
|
|
|
|
elif menu.name == "Resources":
|
|
|
|
|
if menus[0].rows:
|
|
|
|
|
namespace = menus[0].rows[menus[0].row]
|
|
|
|
|
api_resource = menus[1].rows[menus[1].row]
|
|
|
|
|
command = "f'kubectl get {api_resource} -n {namespace} --no-headers -o template=\"{{{{range .items}}}}{{{{.metadata.name}}}} {{{{end}}}}\"'"
|
|
|
|
|
bytes_list = subprocess.check_output(eval(command), shell=True).split()
|
|
|
|
|
resources = [bytes_list[i].decode('utf-8') for i in range(len(bytes_list))]
|
|
|
|
|
if not resources:
|
|
|
|
|
resources = [f"No resources found in {namespace} namespace.",]
|
|
|
|
|
else:
|
|
|
|
|
resources = ["No namespace selected",]
|
|
|
|
|
menu.rows = resources
|
|
|
|
|
|
|
|
|
|
main(screen)
|
|
|
|
|
# curses.wrapper(main)
|
|
|
|
|
for index, row in enumerate(menu.rows):
|
|
|
|
|
menu.win.addstr(index + 3, 2, row)
|
|
|
|
|
if menu.rows:
|
|
|
|
|
menu.win.addstr(3, 2, menu.rows[menu.row], curses.A_REVERSE | curses.A_ITALIC) # выделяем первую строку
|
|
|
|
|
menus[current_menu].win.addstr(1, 2, menus[current_menu].name, curses.A_REVERSE | curses.A_ITALIC) # помечаем выбранное меню
|
|
|
|
|
continue
|
|
|
|
|
|
|
|
|
|
match key_pressed:
|
|
|
|
|
case 'q':
|
|
|
|
|
running = False
|
|
|
|
|
case '/':
|
|
|
|
|
search_mode = True
|
|
|
|
|
case 'g':
|
|
|
|
|
if current_menu == 2 and not menus[2].rows[menus[2].row].startswith("No resources"):
|
|
|
|
|
run_command("f'kubectl -n {namespace} get {api_resource} {resource} -o yaml | batcat -l yaml --paging always --style numbers'", current_menu)
|
|
|
|
|
case 'd':
|
|
|
|
|
if current_menu == 2 and not menus[2].rows[menus[2].row].startswith("No resources"):
|
|
|
|
|
run_command("f'kubectl -n {namespace} describe {api_resource} {resource} | batcat -l yaml --paging always --style numbers'", current_menu)
|
|
|
|
|
case 'l':
|
|
|
|
|
if current_menu == 2 and not menus[2].rows[menus[2].row].startswith("No resources") and menus[1].rows[menus[1].row] == "pods":
|
|
|
|
|
run_command("f'kubectl -n {namespace} logs {resource} | batcat -l log --paging always --style numbers'", current_menu)
|
|
|
|
|
case 'e':
|
|
|
|
|
if current_menu == 2 and not menus[2].rows[menus[2].row].startswith("No resources"):
|
|
|
|
|
run_command("f'kubectl edit {api_resource} -n {namespace} {resource}'", current_menu)
|
|
|
|
|
case '\t' | "KEY_RIGHT":
|
|
|
|
|
current_menu = navigate_horizontally("right", current_menu)
|
|
|
|
|
case "KEY_BTAB" | "KEY_LEFT":
|
|
|
|
|
current_menu = navigate_horizontally("left", current_menu)
|
|
|
|
|
case "KEY_DOWN":
|
|
|
|
|
navigate_vertically("down", current_menu)
|
|
|
|
|
case "KEY_UP":
|
|
|
|
|
navigate_vertically("up", current_menu)
|
|
|
|
|
main(stdscr)
|
|
|
|
|
|
|
|
|
|
curses.nocbreak()
|
|
|
|
|
screen.keypad(False)
|
|
|
|
|
stdscr.keypad(False)
|
|
|
|
|
curses.echo()
|
|
|
|
|
curses.endwin()
|
|
|
|
|
subprocess.call(["clear"])
|
|
|
|
|
|
|
|
|
|
|