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consul.passthru.tests: Refactor into functions.

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For better naming and commentary.
This commit is contained in:
Niklas Hambüchen 2020-06-18 02:43:11 +02:00
parent a59a972413
commit 701c0eb489
1 changed files with 41 additions and 23 deletions
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64
nixos/tests/consul.nix
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@ -107,40 +107,58 @@ in {
for m in machines: for m in machines:
m.wait_for_unit("consul.service") m.wait_for_unit("consul.service")
def wait_for_healthy_servers():
for m in machines:
m.wait_until_succeeds("[ $(consul members | grep -o alive | wc -l) == 5 ]")
wait_for_healthy_servers()
# Also wait for clients to be alive.
for m in machines: for m in machines:
m.wait_until_succeeds("[ $(consul members | grep -o alive | wc -l) == 5 ]") m.wait_until_succeeds("[ $(consul members | grep -o alive | wc -l) == 5 ]")
client1.succeed("consul kv put testkey 42") client1.succeed("consul kv put testkey 42")
client2.succeed("[ $(consul kv get testkey) == 42 ]") client2.succeed("[ $(consul kv get testkey) == 42 ]")
# Test that the cluster can tolearate failures of any single server:
for server in servers:
server.crash()
# For each client, wait until they have connection again def rolling_reboot_test():
# using `kv get -recurse` before issuing commands. """
client1.wait_until_succeeds("consul kv get -recurse") Tests that the cluster can tolearate failures of any single server,
client2.wait_until_succeeds("consul kv get -recurse") following the recommended rolling upgrade procedure from
https://www.consul.io/docs/upgrading#standard-upgrades
"""
# Do some consul actions while one server is down. for server in servers:
client1.succeed("consul kv put testkey 43") server.crash()
client2.succeed("[ $(consul kv get testkey) == 43 ]")
client2.succeed("consul kv delete testkey")
# Restart crashed machine. # For each client, wait until they have connection again
server.start() # using `kv get -recurse` before issuing commands.
client1.wait_until_succeeds("consul kv get -recurse")
client2.wait_until_succeeds("consul kv get -recurse")
# Wait for recovery. # Do some consul actions while one server is down.
for m in machines: client1.succeed("consul kv put testkey 43")
m.wait_until_succeeds("[ $(consul members | grep -o alive | wc -l) == 5 ]") client2.succeed("[ $(consul kv get testkey) == 43 ]")
client2.succeed("consul kv delete testkey")
# Wait for client connections. # Restart crashed machine.
client1.wait_until_succeeds("consul kv get -recurse") server.start()
client2.wait_until_succeeds("consul kv get -recurse")
# Do some consul actions with server back up. # Wait for recovery.
client1.succeed("consul kv put testkey 44") wait_for_healthy_servers()
client2.succeed("[ $(consul kv get testkey) == 44 ]")
client2.succeed("consul kv delete testkey") # 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 server 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.
rolling_reboot_test()
''; '';
}) })