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Improve behave tests (#1313)

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Hopefully, make them less flaky
This commit is contained in:
Alexander Kukushkin
2019-12-02 10:33:44 +01:00
committed by GitHub
parent a3be2958a7
commit a5ff38a034
6 changed files with 36 additions and 17 deletions
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3
features/basic_replication.feature
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@@ -4,6 +4,7 @@ Feature: basic replication
Scenario: check replication of a single table
Given I start postgres0
Then postgres0 is a leader after 10 seconds
And there is a non empty initialize key in DCS after 15 seconds
When I issue a PATCH request to http://127.0.0.1:8008/config with {"ttl": 20, "loop_wait": 2, "synchronous_mode": true}
Then I receive a response code 200
When I start postgres1
@@ -35,10 +36,12 @@ Feature: basic replication
And I run patronictl.py resume batman
Then I receive a response returncode 0
And postgres2 role is the primary after 24 seconds
And Response on GET http://127.0.0.1:8010/history contains recovery after 10 seconds
When I issue a PATCH request to http://127.0.0.1:8010/config with {"synchronous_mode": null, "master_start_timeout": 0}
Then I receive a response code 200
When I add the table bar to postgres2
Then table bar is present on postgres1 after 20 seconds
And Response on GET http://127.0.0.1:8010/config contains master_start_timeout after 10 seconds
Scenario: check immediate failover when master_start_timeout=0
Given I kill postmaster on postgres2

2
features/custom_bootstrap.feature
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@@ -13,5 +13,5 @@ Scenario: make a backup and do a restore into a new cluster
Given I add the table bar to postgres1
And I do a backup of postgres1
When I start postgres2 in a cluster batman2 from backup
Then postgres2 is a leader of batman2 after 10 seconds
Then postgres2 is a leader of batman2 after 30 seconds
And table bar is present on postgres2 after 10 seconds

5
features/environment.py
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@@ -454,8 +454,9 @@ class KubernetesController(AbstractDcsController):
return (pod.metadata.annotations or {}).get('status', '')
else:
try:
e = self._api.read_namespaced_endpoints(scope + ('' if key == 'leader' else '-' + key), self._namespace)
if key == 'leader':
ep = scope + {'leader': '', 'history': '-config', 'initialize': '-config'}.get(key, '-' + key)
e = self._api.read_namespaced_endpoints(ep, self._namespace)
if key != 'sync':
return e.metadata.annotations[key]
else:
return json.dumps(e.metadata.annotations)

27
features/patroni_api.feature
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@@ -43,6 +43,20 @@ Scenario: check dynamic configuration change via DCS
When I issue a GET request to http://127.0.0.1:8008/patroni
Then I receive a response code 200
And I receive a response tags {'new_tag': 'new_value'}
And I sleep for 4 seconds
Scenario: check the scheduled restart
Given I issue a PATCH request to http://127.0.0.1:8008/config with {"postgresql": {"parameters": {"superuser_reserved_connections": "6"}}}
Then I receive a response code 200
And Response on GET http://127.0.0.1:8008/patroni contains pending_restart after 5 seconds
Given I issue a scheduled restart at http://127.0.0.1:8008 in 3 seconds with {"role": "replica"}
Then I receive a response code 202
And I sleep for 4 seconds
And Response on GET http://127.0.0.1:8008/patroni contains pending_restart after 10 seconds
Given I issue a scheduled restart at http://127.0.0.1:8008 in 3 seconds with {"restart_pending": "True"}
Then I receive a response code 202
And Response on GET http://127.0.0.1:8008/patroni does not contain pending_restart after 10 seconds
And postgres0 role is the primary after 10 seconds
Scenario: check API requests for the primary-replica pair in the pause mode
Given I run patronictl.py pause batman
@@ -101,16 +115,3 @@ Scenario: check the scheduled switchover
Then I receive a response code 503
When I issue a GET request to http://127.0.0.1:8009/replica
Then I receive a response code 200
Scenario: check the scheduled restart
Given I issue a PATCH request to http://127.0.0.1:8008/config with {"postgresql": {"parameters": {"superuser_reserved_connections": "6"}}}
Then I receive a response code 200
And Response on GET http://127.0.0.1:8008/patroni contains pending_restart after 5 seconds
Given I issue a scheduled restart at http://127.0.0.1:8008 in 3 seconds with {"role": "replica"}
Then I receive a response code 202
And I sleep for 4 seconds
And Response on GET http://127.0.0.1:8008/patroni contains pending_restart after 10 seconds
Given I issue a scheduled restart at http://127.0.0.1:8008 in 3 seconds with {"restart_pending": "True"}
Then I receive a response code 202
And Response on GET http://127.0.0.1:8008/patroni does not contain pending_restart after 10 seconds

2
features/standby_cluster.feature
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@@ -2,7 +2,7 @@ Feature: standby cluster
Scenario: check permanent logical slots are preserved on failover/switchover
Given I start postgres1
Then postgres1 is a leader after 10 seconds
And I sleep for 3 seconds
And there is a non empty initialize key in DCS after 15 seconds
When I issue a PATCH request to http://127.0.0.1:8009/config with {"loop_wait": 2, "slots": {"pm_1": {"type": "physical"}}, "postgresql": {"parameters": {"wal_level": "logical"}}}
Then I receive a response code 200
And Response on GET http://127.0.0.1:8009/config contains slots after 10 seconds

14
features/steps/cascading_replication.py
View File

@@ -34,3 +34,17 @@ def check_member(context, name, key, value, time_limit):
pass
time.sleep(1)
assert False, "{0} does not have {1}={2} in dcs after {3} seconds".format(name, key, value, time_limit)
@step('there is a non empty {key:w} key in DCS after {time_limit:d} seconds')
def check_initialize(context, key, time_limit):
time_limit *= context.timeout_multiplier
max_time = time.time() + int(time_limit)
while time.time() < max_time:
try:
if context.dcs_ctl.query(key):
return
except Exception:
pass
time.sleep(1)
assert False, "There is no {0} in dcs after {1} seconds".format(key, time_limit)