README.md

@@ -1,15 +0,0 @@
-# KLS
-## Description
-Tool for managing kubernetes cluster resources. Inspired by `lf` and `ranger` file managers
-## Dependencies
-`batcat` and `kubectl`
-## Installation
-Download latest `kls`:
-```
-curl -O "https://git.digitalstudium.com/digitalstudium/kls/raw/branch/main/kls"
-```
-Then install it:
-```
-sudo install ./kls /usr/local/bin/
-```
-

kls

@@ -1,11 +1,7 @@
-#!/usr/bin/env python3
+#!/usr/bin/python3
 import curses
 import subprocess
 
-stdscr = None
-
-def init_screen():
-    global stdscr
 stdscr = curses.initscr()
 stdscr.refresh()
 curses.noecho()
@@ -13,7 +9,6 @@ def init_screen():
 stdscr.keypad(True)
 curses.curs_set(0)
 
-init_screen()    
 
 class Menu:
     def __init__(self, name, rows, begin_x):
@@ -50,52 +45,6 @@ menu3 = Menu("Resources", pods, 0 + curses.COLS // 3 * 2)
 
 menus = [menu1, menu2, menu3]
 
-def run_command(command, current_menu, rows=None):
-    namespace = menus[0].rows[menus[0].row]
-    api_resource = menus[1].rows[menus[1].row]
-    resource = menus[2].rows[menus[2].row]
-    subprocess.call(eval(command), shell=True)
-    init_screen()
-    for menu in menus:
-        menu.win.clear()
-        menu.win.box()
-        menu.win.addstr(1, 2, menu.name)
-        if rows and menu.name == "Resources":
-            menu.rows = rows
-            menu.row = 0
-        for index, row in enumerate(menu.rows):
-            menu.win.addstr(index + 3, 2, row)
-        menu.win.addstr(menu.row + 3, 2, menu.rows[menu.row], curses.A_REVERSE | curses.A_ITALIC)
-    menus[current_menu].win.addstr(1, 2, menus[current_menu].name, curses.A_REVERSE | curses.A_ITALIC) 
-
-
-def navigate_horizontally(direction, current_menu):
-    increment = {"right": 1, "left": -1}
-    menus[current_menu].win.addstr(1, 2, menus[current_menu].name)  # удаляем выделение с текущего меню
-    current_menu = (current_menu + increment[direction]) % 3  # переходим к предыдущему/следующему меню
-    menus[current_menu].win.addstr(1, 2, menus[current_menu].name, curses.A_REVERSE | curses.A_ITALIC)  # и выделяем его
-    return current_menu
-
-
-def navigate_vertically(direction, current_menu):
-    increment = {"down": 1, "up": -1}
-    if current_menu == 2 and menus[2].rows[menus[2].row].startswith("No resources"):
-        return
-    menu = menus[current_menu]
-    menu.win.addstr(menu.row + 3, 2, menu.rows[menu.row])  # удаляем выделение с текущей строки
-    menu.row = (menu.row + increment[direction]) % len(menu.rows) # переходим к предыдущей/следующей строке
-    menu.win.addstr(menu.row + 3, 2, menu.rows[menu.row], curses.A_REVERSE | curses.A_ITALIC) # и выделяем её
-    if current_menu != 2: # если изменился выбор нэймспейса или апи ресурса
-        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.",]
-        run_command(command, current_menu, rows=resources)
-
-
 def main(stdscr):
     stdscr.refresh()
     running = True
@@ -109,26 +58,104 @@ def main(stdscr):
         match key_pressed:
             case 'q': 
                 running = False
-            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)
+                    namespace = menus[0].rows[menus[0].row]
+                    api_resource = menus[1].rows[menus[1].row]
+                    resource = menus[2].rows[menus[2].row]
+                    process = subprocess.call(f"kubectl -n {namespace} logs {resource} | less", shell=True)
+                    stdscr = curses.initscr()
+                    stdscr.refresh()
+                    curses.noecho()
+                    curses.cbreak()
+                    stdscr.keypad(True)
+                    curses.curs_set(0)
+                    for menu in menus:
+                        menu.win.clear()
+                        menu.win.box()
+                        menu.win.addstr(1, 2, menu.name) 
+                        for index, row in enumerate(menu.rows):
+                            menu.win.addstr(index + 3, 2, row)
+                        menu.win.addstr(3, 2, menu.rows[menu.row], curses.A_REVERSE | curses.A_ITALIC)
+                    menus[current_menu].win.addstr(1, 2, menus[current_menu].name, curses.A_REVERSE | curses.A_ITALIC) 
             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)
+                    namespace = menus[0].rows[menus[0].row]
+                    api_resource = menus[1].rows[menus[1].row]
+                    resource = menus[2].rows[menus[2].row]
+                    process = subprocess.call(f"kubectl edit {api_resource} -n {namespace} {resource}", shell=True)
+                    stdscr = curses.initscr()
+                    stdscr.refresh()
+                    curses.noecho()
+                    curses.cbreak()
+                    stdscr.keypad(True)
+                    curses.curs_set(0)
+                    for menu in menus:
+                        menu.win.clear()
+                        menu.win.box()
+                        menu.win.addstr(1, 2, menu.name) 
+                        for index, row in enumerate(menu.rows):
+                            menu.win.addstr(index + 3, 2, row)
+                        menu.win.addstr(3, 2, menu.rows[menu.row], curses.A_REVERSE | curses.A_ITALIC)
+                    menus[current_menu].win.addstr(1, 2, menus[current_menu].name, curses.A_REVERSE | curses.A_ITALIC) 
             case '\t' | "KEY_RIGHT":
-                current_menu = navigate_horizontally("right", current_menu)
+                menus[current_menu].win.addstr(1, 2, menus[current_menu].name) 
+                current_menu = (current_menu + 1) % 3
+                menus[current_menu].win.addstr(1, 2, menus[current_menu].name, curses.A_REVERSE | curses.A_ITALIC) 
             case "KEY_BTAB" | "KEY_LEFT":
-                current_menu = navigate_horizontally("left", current_menu)
+                menus[current_menu].win.addstr(1, 2, menus[current_menu].name) 
+                current_menu = (current_menu - 1) % 3
+                menus[current_menu].win.addstr(1, 2, menus[current_menu].name, curses.A_REVERSE | curses.A_ITALIC) 
             case "KEY_DOWN":
-                navigate_vertically("down", current_menu)
+                menu = menus[current_menu]
+                menu.win.addstr(menu.row + 3, 2, menu.rows[menu.row])  # удаляем выделение с текущей строки
+                menu.row = (menu.row + 1) % len(menu.rows) # переходим к следующей строке
+                menu.win.addstr(menu.row + 3, 2, menu.rows[menu.row], curses.A_REVERSE | curses.A_ITALIC) # и выделяем её
+
+                if current_menu != 2: # если изменился выбор нэймспейса или апи ресурса
+                    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}}'"
+                    #raise ValueError(command)
+                    bytes_list = subprocess.check_output(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.",]
+                    menus[2].win.clear()
+                    menus[2].win.box()
+                    menus[2].win.addstr(1, 2, menus[2].name) 
+                    menus[2].rows = resources
+                    menus[2].row = 0
+                    for index, row in enumerate(menus[2].rows):
+                        if index == 0 and not resources[0].startswith("No resources"):
+                            menus[2].win.addstr(index + 3, 2, row, curses.A_REVERSE | curses.A_ITALIC)
+                        else:
+                            menus[2].win.addstr(index + 3, 2, row)
             case "KEY_UP":
-                navigate_vertically("up", current_menu)
+                menu = menus[current_menu]
+                menu.win.addstr(menu.row + 3, 2, menu.rows[menu.row])  # удаляем выделение с текущей строки
+                menu.row = (menu.row - 1) % len(menu.rows) # переходим к предыдущей строке
+                menu.win.addstr(menu.row + 3, 2, menu.rows[menu.row], curses.A_REVERSE | curses.A_ITALIC) # и выделяем её
+
+                if current_menu != 2: # если изменился выбор нэймспейса или апи ресурса
+                    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}}'"
+                    #raise ValueError(command)
+                    bytes_list = subprocess.check_output(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.",]
+                    menus[2].win.clear()
+                    menus[2].win.box()
+                    menus[2].win.addstr(1, 2, menus[2].name) 
+                    menus[2].rows = resources
+                    menus[2].row = 0
+                    for index, row in enumerate(menus[2].rows):
+                        if index == 0 and not resources[0].startswith("No resources"):
+                            menus[2].win.addstr(index + 3, 2, row, curses.A_REVERSE | curses.A_ITALIC)
+                        else:
+                            menus[2].win.addstr(index + 3, 2, row)
 
 main(stdscr)
 
@@ -138,3 +165,5 @@ curses.echo()
 curses.endwin()
 subprocess.call(["clear"])
 
+#curses.wrapper(main)
+