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MacRimi
c9479c6ac1
- Each host backup carries the node it belongs to, read from its source host or its name (`hostcfg-<node>`, a job of this node or its PBS backup ID); both backup lists also return the node name. - The backup list offers This node / All nodes when some backup belongs to another node, with This node as the default, a count that follows the choice and a note with the backups not shown. - Backups whose node cannot be read from their name are listed under All nodes. - A local backup made on this node by a job that no longer exists is marked as Former job, read from its metadata file; backups without it, manual ones and those of other nodes are not marked. - New texts in English and Spanish, modelled in the translation steady-state test. - Tests for the node and the former job read from each backup, and for the cluster node membership notifications.
107 lines
3.9 KiB
Python
107 lines
3.9 KiB
Python
"""Corosync reports a node that leaves or comes back with its number, in a
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membership line that never says "node". The surviving nodes notify it by the
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name the node has in corosync.conf."""
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import sys
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import tempfile
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import unittest
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from pathlib import Path
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from queue import Empty, Queue
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from unittest.mock import patch
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SCRIPTS = Path(__file__).resolve().parents[1]
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sys.path.insert(0, str(SCRIPTS))
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import notification_events # noqa: E402
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CONF = """totem {
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cluster_name: lab
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}
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nodelist {
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node {
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name: pve1
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nodeid: 1
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ring0_addr: 10.0.0.1
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}
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node {
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name: pve2
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nodeid: 2
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ring0_addr: 10.0.0.2
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}
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node {
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name: pve3
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nodeid: 3
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ring0_addr: 10.0.0.3
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}
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}
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"""
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class ClusterMembershipTests(unittest.TestCase):
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def setUp(self):
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folder = tempfile.TemporaryDirectory()
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self.addCleanup(folder.cleanup)
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conf = Path(folder.name) / "corosync.conf"
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conf.write_text(CONF)
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real_open = open
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def corosync_conf(path, *args, **kwargs):
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if str(path) in ("/etc/pve/corosync.conf", "/etc/corosync/corosync.conf"):
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path = conf
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return real_open(path, *args, **kwargs)
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self.booting = False
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for item in (patch("builtins.open", corosync_conf),
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patch.object(notification_events.socket, "gethostname", return_value="pve1"),
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patch.object(notification_events.startup_grace, "is_real_system_boot",
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side_effect=lambda: self.booting),
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patch.object(notification_events._shared_state, "is_startup_health_grace",
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side_effect=lambda: self.booting)):
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item.start()
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self.addCleanup(item.stop)
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self.queue = Queue()
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self.watcher = notification_events.JournalWatcher(self.queue)
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def notified(self, line):
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self.watcher._check_cluster_events(line, "corosync")
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events = []
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while True:
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try:
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event = self.queue.get_nowait()
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except Empty:
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return events
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events.append((event.event_type, event.data.get("node_name")))
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def test_a_node_that_leaves_is_named(self):
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self.assertEqual(self.notified("[TOTEM ] A new membership (1.55) was formed. Members left: 2"),
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[("node_disconnect", "pve2")])
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def test_a_node_that_comes_back_is_named(self):
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self.assertEqual(self.notified("[TOTEM ] A new membership (1.5a) was formed. Members joined: 2"),
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[("node_reconnect", "pve2")])
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def test_every_node_of_the_line_is_notified(self):
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self.assertEqual(self.notified("[TOTEM ] A new membership (1.60) was formed. Members left: 2 3"),
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[("node_disconnect", "pve2"), ("node_disconnect", "pve3")])
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def test_this_node_is_not_notified(self):
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self.assertEqual(self.notified("[TOTEM ] A new membership (1.61) was formed. Members joined: 1"), [])
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def test_while_this_host_boots_only_the_joins_are_left_out(self):
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self.booting = True
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self.assertEqual(self.notified("[TOTEM ] A new membership (1.62) was formed. Members joined: 2"), [])
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self.assertEqual(self.notified("[TOTEM ] A new membership (1.63) was formed. Members left: 3"),
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[("node_disconnect", "pve3")])
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def test_a_node_missing_from_the_configuration_keeps_its_number(self):
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self.assertEqual(self.notified("[TOTEM ] A new membership (1.64) was formed. Members left: 7"),
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[("node_disconnect", "7")])
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def test_other_corosync_lines_notify_nothing(self):
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for line in ("[CFG ] Node 2 was shut down by sysadmin", "[QUORUM] Members[2]: 1 3",
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"[KNET ] link: host: 2 link: 0 is down"):
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with self.subTest(line=line):
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self.assertEqual(self.notified(line), [])
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if __name__ == "__main__":
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unittest.main()
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