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consul.passthru.tests: Add 2 more tests

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This commit is contained in:
Niklas Hambüchen 2020-06-18 03:06:24 +02:00
parent bcdac2e2fd
commit b3b27ed008
1 changed files with 46 additions and 4 deletions
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50
nixos/tests/consul.nix
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@ -145,11 +145,16 @@ in {
client2.succeed("[ $(consul kv get testkey) == 42 ]") client2.succeed("[ $(consul kv get testkey) == 42 ]")
def rolling_reboot_test(): def rolling_reboot_test(proper_rolling_procedure=True):
""" """
Tests that the cluster can tolearate failures of any single server, Tests that the cluster can tolearate failures of any single server,
following the recommended rolling upgrade procedure from following the recommended rolling upgrade procedure from
https://www.consul.io/docs/upgrading#standard-upgrades https://www.consul.io/docs/upgrading#standard-upgrades.
Optionally, `proper_rolling_procedure=False` can be given
to wait only for each server to be back `Healthy`, not `Stable`
in the Raft consensus, see Consul setting `ServerStabilizationTime` and
https://github.com/hashicorp/consul/issues/8118#issuecomment-645330040.
""" """
for server in servers: for server in servers:
@ -168,8 +173,12 @@ in {
# Restart crashed machine. # Restart crashed machine.
server.start() server.start()
# Wait for recovery. if proper_rolling_procedure:
wait_for_healthy_servers() # Wait for recovery.
wait_for_healthy_servers()
else:
# NOT proper rolling upgrade procedure, see above.
wait_for_all_machines_alive()
# Wait for client connections. # Wait for client connections.
client1.wait_until_succeeds("consul kv get -recurse") client1.wait_until_succeeds("consul kv get -recurse")
@ -181,7 +190,40 @@ in {
client2.succeed("consul kv delete testkey") client2.succeed("consul kv delete testkey")
def all_servers_crash_simultaneously_test():
"""
Tests that the cluster will eventually come back after all
servers crash simultaneously.
"""
for server in servers:
server.crash()
for server in servers:
server.start()
# Wait for recovery.
wait_for_healthy_servers()
# Wait for client connections.
client1.wait_until_succeeds("consul kv get -recurse")
client2.wait_until_succeeds("consul kv get -recurse")
# Do some consul actions with servers back up.
client1.succeed("consul kv put testkey 44")
client2.succeed("[ $(consul kv get testkey) == 44 ]")
client2.succeed("consul kv delete testkey")
# Run the tests. # Run the tests.
print("rolling_reboot_test()")
rolling_reboot_test() rolling_reboot_test()
print("all_servers_crash_simultaneously_test()")
all_servers_crash_simultaneously_test()
print("rolling_reboot_test(proper_rolling_procedure=False)")
rolling_reboot_test(proper_rolling_procedure=False)
''; '';
}) })