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README.md
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README.md
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@ -1,15 +0,0 @@
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# KLS
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## Description
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Tool for managing kubernetes cluster resources. Inspired by `lf` and `ranger` file managers
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## Dependencies
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`batcat` and `kubectl`
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## Installation
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Download latest `kls`:
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```
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curl -O "https://git.digitalstudium.com/digitalstudium/kls/raw/branch/main/kls"
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```
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Then install it:
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```
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sudo install ./kls /usr/local/bin/
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```
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157
kls
157
kls
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@ -1,11 +1,7 @@
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#!/usr/bin/env python3
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#!/usr/bin/python3
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import curses
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import subprocess
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stdscr = None
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def init_screen():
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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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@ -13,7 +9,6 @@ def init_screen():
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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):
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@ -50,52 +45,6 @@ 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, 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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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 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 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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run_command(command, current_menu, rows=resources)
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def main(stdscr):
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stdscr.refresh()
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running = True
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@ -109,26 +58,104 @@ def main(stdscr):
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match key_pressed:
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case 'q':
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running = False
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case 'g':
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if current_menu == 2 and not menus[2].rows[menus[2].row].startswith("No resources"):
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run_command("f'kubectl -n {namespace} get {api_resource} {resource} -o yaml | batcat -l yaml --paging always --style numbers'", current_menu)
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case 'd':
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if current_menu == 2 and not menus[2].rows[menus[2].row].startswith("No resources"):
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run_command("f'kubectl -n {namespace} describe {api_resource} {resource} | batcat -l yaml --paging always --style numbers'", current_menu)
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case 'l':
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if current_menu == 2 and not menus[2].rows[menus[2].row].startswith("No resources") and menus[1].rows[menus[1].row] == "pods":
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run_command("f'kubectl -n {namespace} logs {resource} | batcat -l log --paging always --style numbers'", current_menu)
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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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process = subprocess.call(f"kubectl -n {namespace} logs {resource} | less", shell=True)
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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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stdscr.keypad(True)
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curses.curs_set(0)
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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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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(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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case 'e':
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if current_menu == 2 and not menus[2].rows[menus[2].row].startswith("No resources"):
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run_command("f'kubectl edit {api_resource} -n {namespace} {resource}'", current_menu)
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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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process = subprocess.call(f"kubectl edit {api_resource} -n {namespace} {resource}", shell=True)
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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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stdscr.keypad(True)
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curses.curs_set(0)
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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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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(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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case '\t' | "KEY_RIGHT":
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current_menu = navigate_horizontally("right", current_menu)
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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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current_menu = navigate_horizontally("left", current_menu)
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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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navigate_vertically("down", current_menu)
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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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navigate_vertically("up", current_menu)
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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 предыдущей 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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main(stdscr)
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@ -138,3 +165,5 @@ curses.echo()
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curses.endwin()
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subprocess.call(["clear"])
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#curses.wrapper(main)
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