update requirements

cleanup.py

 #!/usr/bin/env python
+import traceback
 import openstack
 import env
 import os
+import sys
 
 
 def main() -> None:
-    conn = openstack.connect()
-    for server in conn.compute.servers(name=env.VM_NAME):
-        conn.delete_server(server.id, wait=True, delete_ips=True)
-    if os.path.exists(env.PRIVATE_KEY_PATH):
-        os.remove(env.PRIVATE_KEY_PATH)
-    conn.delete_keypair(env.KEY_PAIR_NAME)
+    print("Delete openstack instances", flush=True)
+    try:
+        conn = openstack.connect()
+        for server in conn.compute.servers(name=env.VM_NAME):
+            conn.delete_server(server.id, wait=True, delete_ips=True)
+        if os.path.exists(env.PRIVATE_KEY_PATH):
+            os.remove(env.PRIVATE_KEY_PATH)
+        conn.delete_keypair(env.KEY_PAIR_NAME)
+        conn.close()
+    except Exception as e:
+        traceback.print_exc()
+        sys.exit(int(env.SYSTEM_FAILURE_EXIT_CODE))
 
 
 if __name__ == "__main__":

requirements.txt

-appdirs==1.4.4
-bcrypt==3.2.0
-certifi==2021.5.30
-cffi==1.14.5
-chardet==4.0.0
-cryptography==3.4.7
-decorator==5.0.9
-dogpile.cache==1.1.3
-idna==2.10
-iso8601==0.1.14
-jmespath==0.10.0
-jsonpatch==1.32
-jsonpointer==2.1
-keystoneauth1==4.3.1
-munch==2.5.0
-netifaces==0.11.0
-openstacksdk==0.57.0
-os-service-types==1.7.0
-paramiko==2.10.3
-pbr==5.6.0
-pycparser==2.20
-PyNaCl==1.4.0
-PyYAML==5.4.1
-requests==2.25.1
-requestsexceptions==1.4.0
-six==1.16.0
-stevedore==3.3.0
-tenacity==8.0.1
-urllib3==1.26.5
+cryptography==38.0.1
+openstacksdk==0.101.0
+paramiko==2.11.0
+tenacity==8.1.0

run.py

 #!/usr/bin/env python
 import sys
-
 import openstack
 import paramiko
-
 import env