83 lines
2.4 KiB
Python
83 lines
2.4 KiB
Python
import unittest
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import sys
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import json
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import multiprocessing
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import time
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from datetime import datetime
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from os.path import dirname
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BASE_DIR = dirname(dirname(__file__))
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sys.path.insert(0, BASE_DIR)
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from main import (
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accumulated_specs,
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remaining_resources,
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VmPool,
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dead_host_detection,
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dead_host_mitigation,
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main,
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)
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from etcd3_wrapper import Etcd3Wrapper
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class TestDeadHostMechanism(unittest.TestCase):
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def setUp(self):
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self.client = Etcd3Wrapper()
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self.host_prefix = "/test/host"
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self.vm_prefix = "/test/vm"
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self.client.client.delete_prefix(self.host_prefix)
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self.client.client.delete_prefix(self.vm_prefix)
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self.create_hosts()
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def create_hosts(self):
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host1 = {
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"cpu": 32,
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"ram": 128,
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"hdd": 1024,
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"sdd": 0,
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"status": "ALIVE",
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"last_heartbeat": datetime.utcnow().isoformat(),
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}
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host2 = {
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"cpu": 16,
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"ram": 64,
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"hdd": 512,
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"sdd": 0,
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"status": "ALIVE",
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"last_heartbeat": datetime(2011, 1, 1).isoformat(),
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}
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host3 = {"cpu": 16, "ram": 32, "hdd": 256, "sdd": 256}
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host4 = {
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"cpu": 16,
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"ram": 32,
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"hdd": 256,
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"sdd": 256,
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"status": "DEAD",
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"last_heartbeat": datetime(2011, 1, 1).isoformat(),
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}
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with self.client.client.lock("lock"):
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self.client.put(f"{self.host_prefix}/1", host1, value_in_json=True)
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self.client.put(f"{self.host_prefix}/2", host2, value_in_json=True)
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self.client.put(f"{self.host_prefix}/3", host3, value_in_json=True)
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self.client.put(f"{self.host_prefix}/4", host4, value_in_json=True)
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def test_dead_host_detection(self):
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hosts = self.client.get_prefix(self.host_prefix, value_in_json=True)
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deads = dead_host_detection(hosts)
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self.assertEqual(deads, ["/test/host/2", "/test/host/3"])
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return deads
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def test_dead_host_mitigation(self):
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deads = self.test_dead_host_detection()
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dead_host_mitigation(self.client, deads)
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hosts = self.client.get_prefix(self.host_prefix, value_in_json=True)
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deads = dead_host_detection(hosts)
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self.assertEqual(deads, [])
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if __name__ == "__main__":
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unittest.main()
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