Remove stuff
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new_kls.py
113
new_kls.py
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#!/usr/bin/env python3
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import curses
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import subprocess
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# Constants
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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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class Menu:
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def __init__(self, name, rows, begin_x, width, state):
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self.state = state
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self.name = name
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self.rows = rows
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self.selected_row = 0
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self.begin_x = begin_x
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self.win = curses.newwin(curses.LINES, width, 0, begin_x)
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self.rows_number = curses.LINES - 10
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self.filter = ""
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def filter_rows(self):
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return list(filter(lambda x: self.filter in x, self.rows))
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def get_selected_row(self):
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filtered_rows = self.filter_rows()
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if filtered_rows:
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return min(self.selected_row, len(filtered_rows) - 1)
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return 0
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def draw_header(self):
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header_attr = curses.A_BOLD | curses.color_pair(1) if self.state in [1, 2] else curses.A_NORMAL
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self.win.addstr(1, 2, self.name, header_attr)
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self.win.refresh()
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def draw_rows(self):
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filtered_rows = self.filter_rows()
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if not filtered_rows:
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return
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first_row_index = max(0, self.selected_row - self.rows_number + 1)
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for index, row in enumerate(filtered_rows[first_row_index:]):
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attr = curses.color_pair(2)
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if index + first_row_index == self.get_selected_row():
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attr |= curses.color_pair(1) | curses.A_BOLD
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self.win.addstr(index + 3, 2, row, attr)
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self.win.box()
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self.win.refresh()
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def draw_search_box(self):
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search_attr = curses.A_BOLD if self.state in [SELECTED_WITH_SEARCH, NOT_SELECTED_WITH_SEARCH] else curses.A_NORMAL
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content = f"/{self.filter}" if self.state in [SELECTED_WITH_SEARCH, NOT_SELECTED_WITH_SEARCH] else "Press / for search"
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self.win.addstr(curses.LINES - 2, 2, content, search_attr)
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self.win.clrtoeol()
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self.win.box()
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self.win.refresh()
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def draw_menu(self):
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self.win.clear()
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self.draw_header()
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self.draw_rows()
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self.draw_search_box()
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def run_command(namespace, api_resource, resource, key_pressed):
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commands = {
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"KEY_F(1)": f'kubectl -n {namespace} get {api_resource} {resource} -o yaml | batcat -l yaml --paging always --style numbers',
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"KEY_F(2)": f'kubectl -n {namespace} describe {api_resource} {resource} | batcat -l yaml --paging always --style numbers',
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"KEY_F(3)": f'kubectl edit {api_resource} -n {namespace} {resource}',
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"KEY_F(4)": f'kubectl -n {namespace} logs {resource} | batcat -l log --paging always --style numbers'
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}
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command = commands.get(key_pressed)
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if command:
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curses.def_shell_mode()
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curses.endwin()
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subprocess.call(command, shell=True)
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curses.reset_shell_mode()
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def main(stdscr):
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curses.curs_set(0)
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curses.noecho()
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curses.start_color()
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curses.use_default_colors()
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menus = []
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# Initialize menus
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for i, (name, rows, begin_x, width, state) in enumerate([
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("Namespaces", subprocess.check_output("kubectl get ns --no-headers | awk '{print $1}'", shell=True).decode("utf-8").split("\n"), 0, curses.COLS // 10 * 2, 1),
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("API resources", subprocess.check_output("kubectl api-resources --no-headers --verbs get | awk '{print $1}'", shell=True).decode("utf-8").split("\n"), curses.COLS // 10 * 2, curses.COLS // 10 * 3, 3),
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("Resources", subprocess.check_output("kubectl get pods --no-headers -n default | awk '{print $1}'", shell=True).decode("utf-8").split("\n"), curses.COLS // 10 * 5, curses.COLS - curses.COLS // 10 * 5, 3)
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]):
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menus.append(Menu(name, rows, begin_x, width, state))
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while True:
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for menu in menus:
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menu.draw_menu()
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key_pressed = stdscr.getkey()
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if key_pressed in ("KEY_RIGHT", "KEY_LEFT", "\t"):
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next_menu = menus[(menus.index(menu) + 1) % len(menus)]
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menu.state = NOT_SELECTED_WITH_SEARCH if menu.filter else NOT_SELECTED_WITHOUT_SEARCH
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next_menu.state = SELECTED_WITH_SEARCH if next_menu.filter else SELECTED_WITHOUT_SEARCH
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elif key_pressed in ("KEY_UP", "KEY_DOWN"):
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menu.selected_row += 1 if key_pressed == "KEY_DOWN" else -1
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if menu.state == SELECTED_WITH_SEARCH:
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menu.selected_row = max(0, menu.selected_row)
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elif key_pressed == "KEY_F(4)":
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namespace = menus[0].filter_rows()[menus[0].get_selected_row()]
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api_resource = menus[1].filter_rows()[menus[1].get_selected_row()]
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resource = menus[2].filter_rows()[menus[2].get_selected_row()]
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run_command(namespace, api_resource, resource, key_pressed)
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if __name__ == "__main__":
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curses.wrapper(main)
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