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# Test SDAM error handling.
runOn:
# This test requires retryable writes, failCommand appName, and
# failCommand blockConnection with closeConnection:true (SERVER-53512).
- minServerVersion: "4.9"
topology: ["replicaset", "sharded"]
database_name: &database_name "sdam-tests"
collection_name: &collection_name "pool-cleared-error"
data: []
tests:
- description: PoolClearedError does not mark server unknown
clientOptions:
retryWrites: true
maxPoolSize: 1
appname: poolClearedErrorTest
operations:
# Perform an operation to ensure the node is discovered.
- name: insertOne
object: collection
arguments:
document:
_id: 1
# Configure the next insert to fail with a network error which will
# clear the pool leaving it paused until the server is rediscovered.
- name: configureFailPoint
object: testRunner
arguments:
failPoint:
configureFailPoint: failCommand
mode: { times: 1 }
data:
failCommands: ["insert"]
blockConnection: true
blockTimeMS: 100
closeConnection: true
appName: poolClearedErrorTest
# Start threads.
- name: startThread
object: testRunner
arguments:
name: thread1
- name: startThread
object: testRunner
arguments:
name: thread2
- name: startThread
object: testRunner
arguments:
name: thread3
- name: startThread
object: testRunner
arguments:
name: thread4
- name: startThread
object: testRunner
arguments:
name: thread5
- name: startThread
object: testRunner
arguments:
name: thread6
# Perform concurrent insert operations. The first one to execute will
# fail with a network error, mark the server Unknown, clear the pool,
# and retry.
# The other operations will either:
# - Notice the pool is paused, fail with a PoolClearedError, and retry.
# - Or block waiting in server selection until the server is
# rediscovered.
#
# Note that this test does not guarantee that a PoolClearedError will be
# raised but it is likely since the initial insert is delayed.
- name: runOnThread
object: testRunner
arguments:
name: thread1
operation:
name: insertOne
object: collection
arguments:
document:
_id: 2
- name: runOnThread
object: testRunner
arguments:
name: thread2
operation:
name: insertOne
object: collection
arguments:
document:
_id: 3
- name: runOnThread
object: testRunner
arguments:
name: thread3
operation:
name: insertOne
object: collection
arguments:
document:
_id: 4
- name: runOnThread
object: testRunner
arguments:
name: thread4
operation:
name: insertOne
object: collection
arguments:
document:
_id: 5
- name: runOnThread
object: testRunner
arguments:
name: thread5
operation:
name: insertOne
object: collection
arguments:
document:
_id: 6
- name: runOnThread
object: testRunner
arguments:
name: thread6
operation:
name: insertOne
object: collection
arguments:
document:
_id: 7
# Stop threads.
- name: waitForThread
object: testRunner
arguments:
name: thread1
- name: waitForThread
object: testRunner
arguments:
name: thread2
- name: waitForThread
object: testRunner
arguments:
name: thread3
- name: waitForThread
object: testRunner
arguments:
name: thread4
- name: waitForThread
object: testRunner
arguments:
name: thread5
- name: waitForThread
object: testRunner
arguments:
name: thread6
# The first shutdown error should mark the server Unknown and then clear
# the pool.
- name: waitForEvent
object: testRunner
arguments:
event: ServerMarkedUnknownEvent
count: 1
- name: waitForEvent
object: testRunner
arguments:
event: PoolClearedEvent
count: 1
# Perform an operation to ensure the node still useable.
- name: insertOne
object: collection
arguments:
document:
_id: 8
# Assert the server was marked Unknown and pool was cleared exactly once.
- name: assertEventCount
object: testRunner
arguments:
event: ServerMarkedUnknownEvent
count: 1
- name: assertEventCount
object: testRunner
arguments:
event: PoolClearedEvent
count: 1
# Order of operations is non-deterministic so we cannot check events.
outcome:
collection:
data:
- {_id: 1}
- {_id: 2}
- {_id: 3}
- {_id: 4}
- {_id: 5}
- {_id: 6}
- {_id: 7}
- {_id: 8}
|
