test read-only

main.py

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+import random
+import subprocess
+import os
+import sys
+import argparse
+
+
+def write_numbers_to_file(a, b, c):
+    with open(os.path.join(output_dir, "numbers.txt"), "w+") as f:
+        srv_list = random.sample(range(a, b), c)
+        for count, value in enumerate(srv_list):
+            f.write(str(value) + '\n')
+
+
+def starting_osd():
+    with open(os.path.join(output_dir, "numbers.txt"), "r") as f:
+        for line in f:
+            # print(f'systemctl start ceph-{ceph_fsid}@osd.{line.strip()}.service')
+            p = subprocess.run(f'systemctl start ceph-{args.fsid}@osd.{line}', shell=True, capture_output=True)
+            if p.stderr.decode():
+                print(p.stderr.decode().strip())
+            else:
+                print(f'systemctl start ceph-{args.fsid}@osd.{line.rstrip()}.service started')
+
+
+def stopping_osd():
+    with open(os.path.join(output_dir, "numbers.txt"), "r") as f:
+        for line in f:
+            # print(f'systemctl stop ceph-{ceph_fsid}@osd.{line.strip()}.service')
+            p = subprocess.run(f'systemctl stop ceph-{args.fsid}@osd.{line}', shell=True, capture_output=True)
+            if p.stderr.decode():
+                print(p.stderr.decode().strip())
+            else:
+                print(f'systemctl stop ceph-{args.fsid}@osd.{line.rstrip()}.service stopped')
+
+
+def show_file():
+    with open(os.path.join(output_dir, "numbers.txt"), "r") as f:
+        for line in f:
+            print(f'systemctl stop|start ceph-{args.fsid}@osd.{line.strip()}')
+
+
+if __name__ == '__main__':
+    # ceph_fsid = "7461bfe8-dc87-11ee-898a-7b25c28deba6"
+    output_dir = os.getcwd()
+
+    parser = argparse.ArgumentParser(description="Randomly start|stop OSDs")
+    parser.add_argument('--show', action='store_true', help="Just show the commands the program prepared to run up")
+    parser.add_argument('--fsid', type=str, default='kek', help='FSID of a cluster', required=True)
+    args = parser.parse_args()
+    if args.show:
+        show_file()
+        sys.exit()
+
+
+    inp = input("Create random numbers of OSD?: y\\n: ")
+    if inp == "y":
+        try:
+            frst_inp = int(input("Enter the first border of range: "))
+            scnd_inp = int(input(f" The first number of range is {frst_inp} and the second?: "))
+            thrd_inp = int(input(" The numbers of samples, please: "))
+            write_numbers_to_file(frst_inp, scnd_inp, thrd_inp)
+        except ValueError:
+            print(" Not an int!")
+            sys.exit()
+    elif inp == "n":
+        print("Be sure that file already exists. ")
+    else:
+        print(" do not fuck with me. Exiting")
+        sys.exit()
+
+    inp = input("What we gonna do? start|stop ?: ")
+    if inp == "start":
+        starting_osd()
+    elif inp == "stop":
+        stopping_osd()
+    else:
+        print(" Вы ввели хуйню")

numbers.txt

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+64
+84
+105
+70
+16
+91
+38
+103
+47
+18
+56
+93
+80
+39
+36
+108
+106
+44
+14
+27
+85
+32
+8
+102
+87