98 lines
4.5 KiB
Python
Executable File
98 lines
4.5 KiB
Python
Executable File
#!/usr/bin/python3
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import curses
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import subprocess
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stdscr = curses.initscr()
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class Menu:
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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
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self.begin_x = begin_x
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self.win = curses.newwin(curses.LINES, curses.COLS // 3, 0, begin_x)
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self.win.box()
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self.win.addstr(1, 2, self.name)
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for index, row in enumerate(self.rows):
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self.win.addstr(index + 3, 2, row)
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self.row = 0
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# рисуем первое меню
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## готовим контент
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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)
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# рисуем второе меню
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## готовим контент
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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)
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# рисуем третье меню
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## готовим контент
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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)
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menus = [menu1, menu2, menu3]
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def main(stdscr):
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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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menu.win.addstr(3, 2, menu.rows[0], curses.A_REVERSE | curses.A_ITALIC)
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while running:
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[menu.win.refresh() for menu in menus] # refresh all menus
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the_user_presses_the_key_et_voila = stdscr.getkey()
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match the_user_presses_the_key_et_voila:
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case 'q':
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running = False
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case '\t' | "KEY_RIGHT":
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menus[current_menu].win.addstr(1, 2, menus[current_menu].name)
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current_menu = (current_menu + 1) % 3
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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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case "KEY_BTAB" | "KEY_LEFT":
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menus[current_menu].win.addstr(1, 2, menus[current_menu].name)
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current_menu = (current_menu - 1) % 3
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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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case "KEY_DOWN":
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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 + 1) % len(menu.rows) # переходим к 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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#raise ValueError(command)
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bytes_list = subprocess.check_output(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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menus[2].win.clear()
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menus[2].win.box()
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menus[2].win.addstr(1, 2, menus[2].name)
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menus[2].rows = resources
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menus[2].row = 0
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for index, row in enumerate(menus[2].rows):
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if index == 0 and not resources[0].startswith("No resources"):
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menus[2].win.addstr(index + 3, 2, row, curses.A_REVERSE | curses.A_ITALIC)
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else:
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menus[2].win.addstr(index + 3, 2, row)
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case "KEY_UP":
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pass
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curses.wrapper(main)
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#curses.nocbreak()
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#stdscr.keypad(False)
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#curses.echo()
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#curses.endwin()
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