Files
k8smanager-cli/tests/test_agent_tools.py
T

193 lines
7.4 KiB
Python

import unittest
from backend.agent_tools import (
classify_agent_command,
classify_kubectl_command,
classify_shell_command,
parse_kubectl_command,
parse_shell_command,
)
class KubectlCommandPolicyTest(unittest.TestCase):
def test_allows_read_only_kubectl_command_for_autonomous_execution(self):
decision = classify_kubectl_command("kubectl get pods -n production -o wide")
self.assertEqual(decision.mode, "read")
self.assertFalse(decision.requires_approval)
def test_requires_approval_for_mutating_kubectl_command(self):
decision = classify_kubectl_command("kubectl rollout restart deployment/api -n production")
self.assertEqual(decision.mode, "write")
self.assertTrue(decision.requires_approval)
def test_rejects_shell_operators_and_non_kubectl_commands(self):
for command in (
"kubectl get pods; rm -rf /",
"kubectl get pods | sh",
"bash -c kubectl get pods",
"sudo kubectl get pods",
):
with self.subTest(command=command):
with self.assertRaises(ValueError):
parse_kubectl_command(command)
def test_rejects_exec_even_when_command_looks_read_only(self):
decision = classify_kubectl_command("kubectl exec api-0 -- cat /etc/hosts")
self.assertEqual(decision.mode, "write")
self.assertTrue(decision.requires_approval)
class ShellCommandPolicyTest(unittest.TestCase):
def test_allows_read_only_systemctl_status_for_autonomous_execution(self):
decision = classify_shell_command("systemctl status kubelet")
self.assertEqual(decision.mode, "read")
self.assertFalse(decision.requires_approval)
def test_allows_journalctl_with_flags(self):
decision = classify_shell_command("journalctl -u kubelet -n 100 --no-pager")
self.assertEqual(decision.mode, "read")
self.assertFalse(decision.requires_approval)
def test_allows_crictl_ps(self):
decision = classify_shell_command("crictl ps -a")
self.assertEqual(decision.mode, "read")
self.assertFalse(decision.requires_approval)
def test_allows_df_and_free(self):
for command in ("df -h", "free -m", "uptime"):
with self.subTest(command=command):
decision = classify_shell_command(command)
self.assertEqual(decision.mode, "read")
self.assertFalse(decision.requires_approval)
def test_allows_ip_addr(self):
decision = classify_shell_command("ip addr show")
self.assertEqual(decision.mode, "read")
self.assertFalse(decision.requires_approval)
def test_requires_approval_for_systemctl_restart(self):
decision = classify_shell_command("systemctl restart kubelet")
self.assertEqual(decision.mode, "write")
self.assertTrue(decision.requires_approval)
def test_rejects_unknown_binary(self):
with self.assertRaises(ValueError):
classify_shell_command("rm -rf /")
def test_rejects_shell_operators_in_shell_command(self):
for command in (
"systemctl status kubelet; rm -rf /",
"df -h | grep vda",
"journalctl -u kubelet > /tmp/log",
):
with self.subTest(command=command):
with self.assertRaises(ValueError):
parse_shell_command(command)
def test_cat_only_allows_safe_paths(self):
decision = classify_shell_command("cat /etc/os-release")
self.assertEqual(decision.mode, "read")
self.assertFalse(decision.requires_approval)
def test_cat_rejects_unsafe_path(self):
with self.assertRaises(ValueError):
classify_shell_command("cat /etc/shadow")
class EtcdCommandPolicyTest(unittest.TestCase):
def test_etcdctl_endpoint_status_is_read_only(self):
decision = classify_shell_command("etcdctl endpoint status")
self.assertEqual(decision.mode, "read")
self.assertFalse(decision.requires_approval)
def test_etcdctl_with_global_flags_still_classifies(self):
decision = classify_shell_command(
"etcdctl --endpoints=https://127.0.0.1:2379 --cacert=/etc/ssl/ca.pem endpoint health"
)
self.assertEqual(decision.mode, "read")
self.assertFalse(decision.requires_approval)
def test_etcdctl_member_list_is_read_only(self):
decision = classify_shell_command("etcdctl member list")
self.assertEqual(decision.mode, "read")
self.assertFalse(decision.requires_approval)
def test_etcdctl_get_and_version_are_read_only(self):
for command in ("etcdctl get /kubernetes", "etcdctl version", "etcdctl alarm list"):
with self.subTest(command=command):
decision = classify_shell_command(command)
self.assertEqual(decision.mode, "read")
self.assertFalse(decision.requires_approval)
def test_etcdctl_alarm_list_is_read_only(self):
decision = classify_shell_command("etcdctl alarm list")
self.assertEqual(decision.mode, "read")
self.assertFalse(decision.requires_approval)
def test_etcdctl_put_requires_approval(self):
decision = classify_shell_command("etcdctl put key value")
self.assertEqual(decision.mode, "write")
self.assertTrue(decision.requires_approval)
def test_etcdctl_member_remove_requires_approval(self):
decision = classify_shell_command("etcdctl member remove abc123")
self.assertEqual(decision.mode, "write")
self.assertTrue(decision.requires_approval)
def test_etcdctl_snapshot_save_requires_approval(self):
decision = classify_shell_command("etcdctl snapshot save /tmp/etcd.db")
self.assertEqual(decision.mode, "write")
self.assertTrue(decision.requires_approval)
def test_etcdctl_compact_requires_approval(self):
decision = classify_shell_command("etcdctl compact 12345")
self.assertEqual(decision.mode, "write")
self.assertTrue(decision.requires_approval)
def test_etcdctl_auth_enable_requires_approval(self):
decision = classify_shell_command("etcdctl auth enable")
self.assertEqual(decision.mode, "write")
self.assertTrue(decision.requires_approval)
def test_etcdctl_rejects_unknown_subcommand(self):
with self.assertRaises(ValueError):
classify_shell_command("etcdctl bogus command")
class AgentCommandDispatchTest(unittest.TestCase):
def test_dispatches_kubectl_command_to_kubectl_classifier(self):
decision = classify_agent_command("kubectl get pods -A")
self.assertEqual(decision.mode, "read")
self.assertEqual(decision.verb, "get")
def test_dispatches_shell_command_to_shell_classifier(self):
decision = classify_agent_command("systemctl status kubelet")
self.assertEqual(decision.mode, "read")
self.assertEqual(decision.verb, "systemctl")
def test_dispatches_write_shell_command_to_shell_classifier(self):
decision = classify_agent_command("systemctl restart kubelet")
self.assertEqual(decision.mode, "write")
self.assertTrue(decision.requires_approval)
def test_dispatches_write_kubectl_command(self):
decision = classify_agent_command("kubectl delete pod api-0 -n prod")
self.assertEqual(decision.mode, "write")
self.assertTrue(decision.requires_approval)
if __name__ == "__main__":
unittest.main()