resolve conflicts
This commit is contained in:
Felix Kunde
commit
22d3c72eb3
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@ -343,6 +343,8 @@ spec:
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type: boolean
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synchronous_mode_strict:
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type: boolean
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synchronous_node_count:
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type: integer
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ttl:
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type: integer
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podAnnotations:
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@ -306,10 +306,10 @@ The interval of days can be set with `password_rotation_interval` (default
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are replaced in the K8s secret. They belong to a newly created user named after
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the original role plus rotation date in YYMMDD format. All priviliges are
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inherited meaning that migration scripts should still grant and revoke rights
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against the original role. The timestamp of the next rotation is written to the
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secret as well. Note, if the rotation interval is decreased it is reflected in
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the secrets only if the next rotation date is more days away than the new
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length of the interval.
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against the original role. The timestamp of the next rotation (in RFC 3339
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format, UTC timezone) is written to the secret as well. Note, if the rotation
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interval is decreased it is reflected in the secrets only if the next rotation
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date is more days away than the new length of the interval.
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Pods still using the previous secret values which they keep in memory continue
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to connect to the database since the password of the corresponding user is not
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@ -303,6 +303,9 @@ explanation of `ttl` and `loop_wait` parameters.
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* **synchronous_mode_strict**
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Patroni `synchronous_mode_strict` parameter value. Can be used in addition to `synchronous_mode`. The default is set to `false`. Optional.
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* **synchronous_node_count**
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Patroni `synchronous_node_count` parameter value. Note, this option is only available for Spilo images with Patroni 2.0+. The default is set to `1`. Optional.
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## Postgres container resources
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Those parameters define [CPU and memory requests and limits](https://kubernetes.io/docs/concepts/configuration/manage-compute-resources-container/)
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@ -205,7 +205,7 @@ class EndToEndTestCase(unittest.TestCase):
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"enable_team_member_deprecation": "true",
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"role_deletion_suffix": "_delete_me",
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"resync_period": "15s",
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"repair_period": "10s",
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"repair_period": "15s",
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},
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}
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k8s.update_config(enable_postgres_team_crd)
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@ -296,6 +296,133 @@ class EndToEndTestCase(unittest.TestCase):
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self.eventuallyEqual(lambda: k8s.get_operator_state(), {"0": "idle"},
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"Operator does not get in sync")
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@timeout_decorator.timeout(TEST_TIMEOUT_SEC)
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def test_config_update(self):
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'''
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Change Postgres config under Spec.Postgresql.Parameters and Spec.Patroni
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and query Patroni config endpoint to check if manifest changes got applied
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via restarting cluster through Patroni's rest api
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'''
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k8s = self.k8s
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leader = k8s.get_cluster_leader_pod()
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replica = k8s.get_cluster_replica_pod()
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masterCreationTimestamp = leader.metadata.creation_timestamp
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replicaCreationTimestamp = replica.metadata.creation_timestamp
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new_max_connections_value = "50"
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# adjust Postgres config
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pg_patch_config = {
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"spec": {
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"postgresql": {
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"parameters": {
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"max_connections": new_max_connections_value
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}
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},
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"patroni": {
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"slots": {
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"test_slot": {
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"type": "physical"
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}
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},
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"ttl": 29,
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"loop_wait": 9,
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"retry_timeout": 9,
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"synchronous_mode": True
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}
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}
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}
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try:
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k8s.api.custom_objects_api.patch_namespaced_custom_object(
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"acid.zalan.do", "v1", "default", "postgresqls", "acid-minimal-cluster", pg_patch_config)
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self.eventuallyEqual(lambda: k8s.get_operator_state(), {"0": "idle"}, "Operator does not get in sync")
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def compare_config():
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effective_config = k8s.patroni_rest(leader.metadata.name, "config")
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desired_config = pg_patch_config["spec"]["patroni"]
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desired_parameters = pg_patch_config["spec"]["postgresql"]["parameters"]
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effective_parameters = effective_config["postgresql"]["parameters"]
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self.assertEqual(desired_parameters["max_connections"], effective_parameters["max_connections"],
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"max_connections not updated")
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self.assertTrue(effective_config["slots"] is not None, "physical replication slot not added")
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self.assertEqual(desired_config["ttl"], effective_config["ttl"],
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"ttl not updated")
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self.assertEqual(desired_config["loop_wait"], effective_config["loop_wait"],
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"loop_wait not updated")
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self.assertEqual(desired_config["retry_timeout"], effective_config["retry_timeout"],
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"retry_timeout not updated")
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self.assertEqual(desired_config["synchronous_mode"], effective_config["synchronous_mode"],
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"synchronous_mode not updated")
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return True
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# check if Patroni config has been updated
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self.eventuallyTrue(compare_config, "Postgres config not applied")
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# make sure that pods were not recreated
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leader = k8s.get_cluster_leader_pod()
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replica = k8s.get_cluster_replica_pod()
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self.assertEqual(masterCreationTimestamp, leader.metadata.creation_timestamp,
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"Master pod creation timestamp is updated")
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self.assertEqual(replicaCreationTimestamp, replica.metadata.creation_timestamp,
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"Master pod creation timestamp is updated")
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# query max_connections setting
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setting_query = """
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SELECT setting
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FROM pg_settings
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WHERE name = 'max_connections';
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"""
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self.eventuallyEqual(lambda: self.query_database(leader.metadata.name, "postgres", setting_query)[0], new_max_connections_value,
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"New max_connections setting not applied on master", 10, 5)
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self.eventuallyNotEqual(lambda: self.query_database(replica.metadata.name, "postgres", setting_query)[0], new_max_connections_value,
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"Expected max_connections not to be updated on replica since Postgres was restarted there first", 10, 5)
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# the next sync should restart the replica because it has pending_restart flag set
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# force next sync by deleting the operator pod
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k8s.delete_operator_pod()
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self.eventuallyEqual(lambda: k8s.get_operator_state(), {"0": "idle"}, "Operator does not get in sync")
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self.eventuallyEqual(lambda: self.query_database(replica.metadata.name, "postgres", setting_query)[0], new_max_connections_value,
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"New max_connections setting not applied on replica", 10, 5)
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# decrease max_connections again
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# this time restart will be correct and new value should appear on both instances
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lower_max_connections_value = "30"
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pg_patch_max_connections = {
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"spec": {
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"postgresql": {
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"parameters": {
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"max_connections": lower_max_connections_value
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}
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}
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}
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}
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k8s.api.custom_objects_api.patch_namespaced_custom_object(
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"acid.zalan.do", "v1", "default", "postgresqls", "acid-minimal-cluster", pg_patch_max_connections)
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self.eventuallyEqual(lambda: k8s.get_operator_state(), {"0": "idle"}, "Operator does not get in sync")
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# check Patroni config again
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pg_patch_config["spec"]["postgresql"]["parameters"]["max_connections"] = lower_max_connections_value
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self.eventuallyTrue(compare_config, "Postgres config not applied")
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# and query max_connections setting again
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self.eventuallyEqual(lambda: self.query_database(leader.metadata.name, "postgres", setting_query)[0], lower_max_connections_value,
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"Previous max_connections setting not applied on master", 10, 5)
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self.eventuallyEqual(lambda: self.query_database(replica.metadata.name, "postgres", setting_query)[0], lower_max_connections_value,
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"Previous max_connections setting not applied on replica", 10, 5)
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except timeout_decorator.TimeoutError:
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print('Operator log: {}'.format(k8s.get_operator_log()))
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raise
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# make sure cluster is in a good state for further tests
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self.eventuallyEqual(lambda: k8s.get_operator_state(), {"0": "idle"}, "Operator does not get in sync")
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self.eventuallyEqual(lambda: k8s.count_running_pods(), 2,
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"No 2 pods running")
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@timeout_decorator.timeout(TEST_TIMEOUT_SEC)
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def test_cross_namespace_secrets(self):
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'''
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@ -794,7 +921,11 @@ class EndToEndTestCase(unittest.TestCase):
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Lower resource limits below configured minimum and let operator fix it
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'''
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k8s = self.k8s
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# self.eventuallyEqual(lambda: k8s.pg_get_status(), "Running", "Cluster not healthy at start")
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cluster_label = 'application=spilo,cluster-name=acid-minimal-cluster'
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# get nodes of master and replica(s) (expected target of new master)
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_, replica_nodes = k8s.get_pg_nodes(cluster_label)
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self.assertNotEqual(replica_nodes, [])
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# configure minimum boundaries for CPU and memory limits
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minCPULimit = '503m'
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@ -827,7 +958,9 @@ class EndToEndTestCase(unittest.TestCase):
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"acid.zalan.do", "v1", "default", "postgresqls", "acid-minimal-cluster", pg_patch_resources)
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self.eventuallyEqual(lambda: k8s.get_operator_state(), {"0": "idle"}, "Operator does not get in sync")
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self.eventuallyEqual(lambda: k8s.count_running_pods(), 2, "No two pods running after lazy rolling upgrade")
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# wait for switched over
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k8s.wait_for_pod_failover(replica_nodes, 'spilo-role=master,' + cluster_label)
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k8s.wait_for_pod_start('spilo-role=replica,' + cluster_label)
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self.eventuallyEqual(lambda: len(k8s.get_patroni_running_members()), 2, "Postgres status did not enter running")
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def verify_pod_limits():
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@ -968,15 +1101,15 @@ class EndToEndTestCase(unittest.TestCase):
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self.eventuallyEqual(lambda: k8s.get_operator_state(), {"0": "idle"}, "Operator does not get in sync")
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# node affinity change should cause another rolling update and relocation of replica
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k8s.wait_for_pod_failover(replica_nodes, 'spilo-role=replica,' + cluster_label)
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k8s.wait_for_pod_start('spilo-role=replica,' + cluster_label)
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k8s.wait_for_pod_start('spilo-role=master,' + cluster_label)
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except timeout_decorator.TimeoutError:
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print('Operator log: {}'.format(k8s.get_operator_log()))
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raise
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# toggle pod anti affinity to make sure replica and master run on separate nodes
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self.assert_distributed_pods(replica_nodes)
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self.assert_distributed_pods(master_nodes)
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@timeout_decorator.timeout(TEST_TIMEOUT_SEC)
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def test_node_readiness_label(self):
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@ -1099,7 +1232,7 @@ class EndToEndTestCase(unittest.TestCase):
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# check if next rotation date was set in secret
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secret_data = k8s.get_secret_data("zalando")
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next_rotation_timestamp = datetime.fromisoformat(str(base64.b64decode(secret_data["nextRotation"]), 'utf-8'))
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next_rotation_timestamp = datetime.strptime(str(base64.b64decode(secret_data["nextRotation"]), 'utf-8'), "%Y-%m-%dT%H:%M:%SZ")
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today90days = today+timedelta(days=90)
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self.assertEqual(today90days, next_rotation_timestamp.date(),
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"Unexpected rotation date in secret of zalando user: expected {}, got {}".format(today90days, next_rotation_timestamp.date()))
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@ -1114,7 +1247,7 @@ class EndToEndTestCase(unittest.TestCase):
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self.query_database(leader.metadata.name, "postgres", create_fake_rotation_user)
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# patch foo_user secret with outdated rotation date
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fake_rotation_date = today.isoformat() + ' 00:00:00'
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fake_rotation_date = today.isoformat() + 'T00:00:00Z'
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fake_rotation_date_encoded = base64.b64encode(fake_rotation_date.encode('utf-8'))
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secret_fake_rotation = {
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"data": {
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@ -1142,7 +1275,7 @@ class EndToEndTestCase(unittest.TestCase):
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# check if next rotation date and username have been replaced
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secret_data = k8s.get_secret_data("foo_user")
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secret_username = str(base64.b64decode(secret_data["username"]), 'utf-8')
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next_rotation_timestamp = datetime.fromisoformat(str(base64.b64decode(secret_data["nextRotation"]), 'utf-8'))
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next_rotation_timestamp = datetime.strptime(str(base64.b64decode(secret_data["nextRotation"]), 'utf-8'), "%Y-%m-%dT%H:%M:%SZ")
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rotation_user = "foo_user"+today.strftime("%y%m%d")
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today30days = today+timedelta(days=30)
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@ -1192,133 +1325,6 @@ class EndToEndTestCase(unittest.TestCase):
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self.eventuallyEqual(lambda: len(self.query_database(leader.metadata.name, "postgres", user_query)), 2,
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"Found incorrect number of rotation users", 10, 5)
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@timeout_decorator.timeout(TEST_TIMEOUT_SEC)
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def test_patroni_config_update(self):
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'''
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Change Postgres config under Spec.Postgresql.Parameters and Spec.Patroni
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and query Patroni config endpoint to check if manifest changes got applied
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via restarting cluster through Patroni's rest api
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'''
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k8s = self.k8s
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leader = k8s.get_cluster_leader_pod()
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replica = k8s.get_cluster_replica_pod()
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masterCreationTimestamp = leader.metadata.creation_timestamp
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replicaCreationTimestamp = replica.metadata.creation_timestamp
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new_max_connections_value = "50"
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# adjust Postgres config
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pg_patch_config = {
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"spec": {
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"postgresql": {
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"parameters": {
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"max_connections": new_max_connections_value
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}
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},
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"patroni": {
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"slots": {
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"test_slot": {
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"type": "physical"
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}
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},
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"ttl": 29,
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"loop_wait": 9,
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"retry_timeout": 9,
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"synchronous_mode": True
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}
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}
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}
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try:
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k8s.api.custom_objects_api.patch_namespaced_custom_object(
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"acid.zalan.do", "v1", "default", "postgresqls", "acid-minimal-cluster", pg_patch_config)
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self.eventuallyEqual(lambda: k8s.get_operator_state(), {"0": "idle"}, "Operator does not get in sync")
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def compare_config():
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effective_config = k8s.patroni_rest(leader.metadata.name, "config")
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desired_config = pg_patch_config["spec"]["patroni"]
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desired_parameters = pg_patch_config["spec"]["postgresql"]["parameters"]
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effective_parameters = effective_config["postgresql"]["parameters"]
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self.assertEqual(desired_parameters["max_connections"], effective_parameters["max_connections"],
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"max_connections not updated")
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self.assertTrue(effective_config["slots"] is not None, "physical replication slot not added")
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self.assertEqual(desired_config["ttl"], effective_config["ttl"],
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"ttl not updated")
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self.assertEqual(desired_config["loop_wait"], effective_config["loop_wait"],
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"loop_wait not updated")
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self.assertEqual(desired_config["retry_timeout"], effective_config["retry_timeout"],
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"retry_timeout not updated")
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self.assertEqual(desired_config["synchronous_mode"], effective_config["synchronous_mode"],
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"synchronous_mode not updated")
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return True
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# check if Patroni config has been updated
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self.eventuallyTrue(compare_config, "Postgres config not applied")
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|
||||
# make sure that pods were not recreated
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leader = k8s.get_cluster_leader_pod()
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replica = k8s.get_cluster_replica_pod()
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self.assertEqual(masterCreationTimestamp, leader.metadata.creation_timestamp,
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"Master pod creation timestamp is updated")
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self.assertEqual(replicaCreationTimestamp, replica.metadata.creation_timestamp,
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"Master pod creation timestamp is updated")
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|
||||
# query max_connections setting
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||||
setting_query = """
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||||
SELECT setting
|
||||
FROM pg_settings
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||||
WHERE name = 'max_connections';
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||||
"""
|
||||
self.eventuallyEqual(lambda: self.query_database(leader.metadata.name, "postgres", setting_query)[0], new_max_connections_value,
|
||||
"New max_connections setting not applied on master", 10, 5)
|
||||
self.eventuallyNotEqual(lambda: self.query_database(replica.metadata.name, "postgres", setting_query)[0], new_max_connections_value,
|
||||
"Expected max_connections not to be updated on replica since Postgres was restarted there first", 10, 5)
|
||||
|
||||
# the next sync should restart the replica because it has pending_restart flag set
|
||||
# force next sync by deleting the operator pod
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||||
k8s.delete_operator_pod()
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self.eventuallyEqual(lambda: k8s.get_operator_state(), {"0": "idle"}, "Operator does not get in sync")
|
||||
|
||||
self.eventuallyEqual(lambda: self.query_database(replica.metadata.name, "postgres", setting_query)[0], new_max_connections_value,
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"New max_connections setting not applied on replica", 10, 5)
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||||
|
||||
# decrease max_connections again
|
||||
# this time restart will be correct and new value should appear on both instances
|
||||
lower_max_connections_value = "30"
|
||||
pg_patch_max_connections = {
|
||||
"spec": {
|
||||
"postgresql": {
|
||||
"parameters": {
|
||||
"max_connections": lower_max_connections_value
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
k8s.api.custom_objects_api.patch_namespaced_custom_object(
|
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"acid.zalan.do", "v1", "default", "postgresqls", "acid-minimal-cluster", pg_patch_max_connections)
|
||||
|
||||
self.eventuallyEqual(lambda: k8s.get_operator_state(), {"0": "idle"}, "Operator does not get in sync")
|
||||
|
||||
# check Patroni config again
|
||||
pg_patch_config["spec"]["postgresql"]["parameters"]["max_connections"] = lower_max_connections_value
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self.eventuallyTrue(compare_config, "Postgres config not applied")
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|
||||
# and query max_connections setting again
|
||||
self.eventuallyEqual(lambda: self.query_database(leader.metadata.name, "postgres", setting_query)[0], lower_max_connections_value,
|
||||
"Previous max_connections setting not applied on master", 10, 5)
|
||||
self.eventuallyEqual(lambda: self.query_database(replica.metadata.name, "postgres", setting_query)[0], lower_max_connections_value,
|
||||
"Previous max_connections setting not applied on replica", 10, 5)
|
||||
|
||||
except timeout_decorator.TimeoutError:
|
||||
print('Operator log: {}'.format(k8s.get_operator_log()))
|
||||
raise
|
||||
|
||||
# make sure cluster is in a good state for further tests
|
||||
self.eventuallyEqual(lambda: k8s.get_operator_state(), {"0": "idle"}, "Operator does not get in sync")
|
||||
self.eventuallyEqual(lambda: k8s.count_running_pods(), 2,
|
||||
"No 2 pods running")
|
||||
|
||||
@timeout_decorator.timeout(TEST_TIMEOUT_SEC)
|
||||
def test_rolling_update_flag(self):
|
||||
'''
|
||||
|
|
@ -1405,7 +1411,7 @@ class EndToEndTestCase(unittest.TestCase):
|
|||
"data": {
|
||||
"pod_label_wait_timeout": "2s",
|
||||
"resync_period": "30s",
|
||||
"repair_period": "10s",
|
||||
"repair_period": "30s",
|
||||
}
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -124,6 +124,7 @@ spec:
|
|||
retry_timeout: 10
|
||||
synchronous_mode: false
|
||||
synchronous_mode_strict: false
|
||||
synchronous_node_count: 1
|
||||
maximum_lag_on_failover: 33554432
|
||||
|
||||
# restore a Postgres DB with point-in-time-recovery
|
||||
|
|
|
|||
|
|
@ -341,6 +341,8 @@ spec:
|
|||
type: boolean
|
||||
synchronous_mode_strict:
|
||||
type: boolean
|
||||
synchronous_node_count:
|
||||
type: integer
|
||||
ttl:
|
||||
type: integer
|
||||
podAnnotations:
|
||||
|
|
|
|||
|
|
@ -534,6 +534,9 @@ var PostgresCRDResourceValidation = apiextv1.CustomResourceValidation{
|
|||
"synchronous_mode_strict": {
|
||||
Type: "boolean",
|
||||
},
|
||||
"synchronous_node_count": {
|
||||
Type: "integer",
|
||||
},
|
||||
"ttl": {
|
||||
Type: "integer",
|
||||
},
|
||||
|
|
|
|||
|
|
@ -165,6 +165,7 @@ type Patroni struct {
|
|||
Slots map[string]map[string]string `json:"slots,omitempty"`
|
||||
SynchronousMode bool `json:"synchronous_mode,omitempty"`
|
||||
SynchronousModeStrict bool `json:"synchronous_mode_strict,omitempty"`
|
||||
SynchronousNodeCount uint32 `json:"synchronous_node_count,omitempty" defaults:1`
|
||||
}
|
||||
|
||||
// StandbyDescription contains s3 wal path
|
||||
|
|
|
|||
|
|
@ -50,6 +50,7 @@ type patroniDCS struct {
|
|||
MaximumLagOnFailover float32 `json:"maximum_lag_on_failover,omitempty"`
|
||||
SynchronousMode bool `json:"synchronous_mode,omitempty"`
|
||||
SynchronousModeStrict bool `json:"synchronous_mode_strict,omitempty"`
|
||||
SynchronousNodeCount uint32 `json:"synchronous_node_count,omitempty"`
|
||||
PGBootstrapConfiguration map[string]interface{} `json:"postgresql,omitempty"`
|
||||
Slots map[string]map[string]string `json:"slots,omitempty"`
|
||||
}
|
||||
|
|
@ -262,6 +263,9 @@ PatroniInitDBParams:
|
|||
if patroni.SynchronousModeStrict {
|
||||
config.Bootstrap.DCS.SynchronousModeStrict = patroni.SynchronousModeStrict
|
||||
}
|
||||
if patroni.SynchronousNodeCount >= 1 {
|
||||
config.Bootstrap.DCS.SynchronousNodeCount = patroni.SynchronousNodeCount
|
||||
}
|
||||
|
||||
config.PgLocalConfiguration = make(map[string]interface{})
|
||||
|
||||
|
|
|
|||
|
|
@ -91,11 +91,12 @@ func TestGenerateSpiloJSONConfiguration(t *testing.T) {
|
|||
MaximumLagOnFailover: 33554432,
|
||||
SynchronousMode: true,
|
||||
SynchronousModeStrict: true,
|
||||
SynchronousNodeCount: 1,
|
||||
Slots: map[string]map[string]string{"permanent_logical_1": {"type": "logical", "database": "foo", "plugin": "pgoutput"}},
|
||||
},
|
||||
role: "zalandos",
|
||||
opConfig: config.Config{},
|
||||
result: `{"postgresql":{"bin_dir":"/usr/lib/postgresql/11/bin","pg_hba":["hostssl all all 0.0.0.0/0 md5","host all all 0.0.0.0/0 md5"]},"bootstrap":{"initdb":[{"auth-host":"md5"},{"auth-local":"trust"},"data-checksums",{"encoding":"UTF8"},{"locale":"en_US.UTF-8"}],"users":{"zalandos":{"password":"","options":["CREATEDB","NOLOGIN"]}},"dcs":{"ttl":30,"loop_wait":10,"retry_timeout":10,"maximum_lag_on_failover":33554432,"synchronous_mode":true,"synchronous_mode_strict":true,"slots":{"permanent_logical_1":{"database":"foo","plugin":"pgoutput","type":"logical"}}}}}`,
|
||||
result: `{"postgresql":{"bin_dir":"/usr/lib/postgresql/11/bin","pg_hba":["hostssl all all 0.0.0.0/0 md5","host all all 0.0.0.0/0 md5"]},"bootstrap":{"initdb":[{"auth-host":"md5"},{"auth-local":"trust"},"data-checksums",{"encoding":"UTF8"},{"locale":"en_US.UTF-8"}],"users":{"zalandos":{"password":"","options":["CREATEDB","NOLOGIN"]}},"dcs":{"ttl":30,"loop_wait":10,"retry_timeout":10,"maximum_lag_on_failover":33554432,"synchronous_mode":true,"synchronous_mode_strict":true,"synchronous_node_count":1,"slots":{"permanent_logical_1":{"database":"foo","plugin":"pgoutput","type":"logical"}}}}}`,
|
||||
},
|
||||
}
|
||||
for _, tt := range tests {
|
||||
|
|
|
|||
|
|
@ -13,6 +13,7 @@ import (
|
|||
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
|
||||
"k8s.io/apimachinery/pkg/types"
|
||||
|
||||
acidv1 "github.com/zalando/postgres-operator/pkg/apis/acid.zalan.do/v1"
|
||||
"github.com/zalando/postgres-operator/pkg/spec"
|
||||
"github.com/zalando/postgres-operator/pkg/util"
|
||||
"github.com/zalando/postgres-operator/pkg/util/patroni"
|
||||
|
|
@ -349,6 +350,54 @@ func (c *Cluster) MigrateReplicaPod(podName spec.NamespacedName, fromNodeName st
|
|||
return nil
|
||||
}
|
||||
|
||||
func (c *Cluster) getPatroniConfig(pod *v1.Pod) (acidv1.Patroni, map[string]string, error) {
|
||||
var (
|
||||
patroniConfig acidv1.Patroni
|
||||
pgParameters map[string]string
|
||||
)
|
||||
podName := util.NameFromMeta(pod.ObjectMeta)
|
||||
err := retryutil.Retry(1*time.Second, 5*time.Second,
|
||||
func() (bool, error) {
|
||||
var err error
|
||||
patroniConfig, pgParameters, err = c.patroni.GetConfig(pod)
|
||||
|
||||
if err != nil {
|
||||
return false, err
|
||||
}
|
||||
return true, nil
|
||||
},
|
||||
)
|
||||
|
||||
if err != nil {
|
||||
return acidv1.Patroni{}, nil, fmt.Errorf("could not get Postgres config from pod %s: %v", podName, err)
|
||||
}
|
||||
|
||||
return patroniConfig, pgParameters, nil
|
||||
}
|
||||
|
||||
func (c *Cluster) getPatroniMemberData(pod *v1.Pod) (patroni.MemberData, error) {
|
||||
var memberData patroni.MemberData
|
||||
err := retryutil.Retry(1*time.Second, 5*time.Second,
|
||||
func() (bool, error) {
|
||||
var err error
|
||||
memberData, err = c.patroni.GetMemberData(pod)
|
||||
|
||||
if err != nil {
|
||||
return false, err
|
||||
}
|
||||
return true, nil
|
||||
},
|
||||
)
|
||||
if err != nil {
|
||||
return patroni.MemberData{}, fmt.Errorf("could not get member data: %v", err)
|
||||
}
|
||||
if memberData.State == "creating replica" {
|
||||
return patroni.MemberData{}, fmt.Errorf("replica currently being initialized")
|
||||
}
|
||||
|
||||
return memberData, nil
|
||||
}
|
||||
|
||||
func (c *Cluster) recreatePod(podName spec.NamespacedName) (*v1.Pod, error) {
|
||||
ch := c.registerPodSubscriber(podName)
|
||||
defer c.unregisterPodSubscriber(podName)
|
||||
|
|
@ -380,54 +429,10 @@ func (c *Cluster) recreatePod(podName spec.NamespacedName) (*v1.Pod, error) {
|
|||
return pod, nil
|
||||
}
|
||||
|
||||
func (c *Cluster) isSafeToRecreatePods(pods []v1.Pod) bool {
|
||||
|
||||
/*
|
||||
Operator should not re-create pods if there is at least one replica being bootstrapped
|
||||
because Patroni might use other replicas to take basebackup from (see Patroni's "clonefrom" tag).
|
||||
|
||||
XXX operator cannot forbid replica re-init, so we might still fail if re-init is started
|
||||
after this check succeeds but before a pod is re-created
|
||||
*/
|
||||
for _, pod := range pods {
|
||||
c.logger.Debugf("name=%s phase=%s ip=%s", pod.Name, pod.Status.Phase, pod.Status.PodIP)
|
||||
}
|
||||
|
||||
for _, pod := range pods {
|
||||
|
||||
var data patroni.MemberData
|
||||
|
||||
err := retryutil.Retry(1*time.Second, 5*time.Second,
|
||||
func() (bool, error) {
|
||||
var err error
|
||||
data, err = c.patroni.GetMemberData(&pod)
|
||||
|
||||
if err != nil {
|
||||
return false, err
|
||||
}
|
||||
return true, nil
|
||||
},
|
||||
)
|
||||
|
||||
if err != nil {
|
||||
c.logger.Errorf("failed to get Patroni state for pod: %s", err)
|
||||
return false
|
||||
} else if data.State == "creating replica" {
|
||||
c.logger.Warningf("cannot re-create replica %s: it is currently being initialized", pod.Name)
|
||||
return false
|
||||
}
|
||||
}
|
||||
return true
|
||||
}
|
||||
|
||||
func (c *Cluster) recreatePods(pods []v1.Pod, switchoverCandidates []spec.NamespacedName) error {
|
||||
c.setProcessName("starting to recreate pods")
|
||||
c.logger.Infof("there are %d pods in the cluster to recreate", len(pods))
|
||||
|
||||
if !c.isSafeToRecreatePods(pods) {
|
||||
return fmt.Errorf("postpone pod recreation until next Sync: recreation is unsafe because pods are being initialized")
|
||||
}
|
||||
|
||||
var (
|
||||
masterPod, newMasterPod *v1.Pod
|
||||
)
|
||||
|
|
|
|||
|
|
@ -285,6 +285,7 @@ func (c *Cluster) syncStatefulSet() error {
|
|||
restartMasterFirst bool
|
||||
)
|
||||
podsToRecreate := make([]v1.Pod, 0)
|
||||
isSafeToRecreatePods := true
|
||||
switchoverCandidates := make([]spec.NamespacedName, 0)
|
||||
|
||||
pods, err := c.listPods()
|
||||
|
|
@ -410,23 +411,21 @@ func (c *Cluster) syncStatefulSet() error {
|
|||
// get Postgres config, compare with manifest and update via Patroni PATCH endpoint if it differs
|
||||
// Patroni's config endpoint is just a "proxy" to DCS. It is enough to patch it only once and it doesn't matter which pod is used
|
||||
for i, pod := range pods {
|
||||
emptyPatroniConfig := acidv1.Patroni{}
|
||||
podName := util.NameFromMeta(pods[i].ObjectMeta)
|
||||
patroniConfig, pgParameters, err := c.patroni.GetConfig(&pod)
|
||||
patroniConfig, pgParameters, err := c.getPatroniConfig(&pod)
|
||||
if err != nil {
|
||||
c.logger.Warningf("could not get Postgres config from pod %s: %v", podName, err)
|
||||
c.logger.Warningf("%v", err)
|
||||
isSafeToRecreatePods = false
|
||||
continue
|
||||
}
|
||||
restartWait = patroniConfig.LoopWait
|
||||
|
||||
// empty config probably means cluster is not fully initialized yet, e.g. restoring from backup
|
||||
// do not attempt a restart
|
||||
if !reflect.DeepEqual(patroniConfig, emptyPatroniConfig) || len(pgParameters) > 0 {
|
||||
if !reflect.DeepEqual(patroniConfig, acidv1.Patroni{}) || len(pgParameters) > 0 {
|
||||
// compare config returned from Patroni with what is specified in the manifest
|
||||
restartMasterFirst, err = c.checkAndSetGlobalPostgreSQLConfiguration(&pod, patroniConfig, c.Spec.Patroni, pgParameters, c.Spec.Parameters)
|
||||
|
||||
if err != nil {
|
||||
c.logger.Warningf("could not set PostgreSQL configuration options for pod %s: %v", podName, err)
|
||||
c.logger.Warningf("could not set PostgreSQL configuration options for pod %s: %v", pods[i].Name, err)
|
||||
continue
|
||||
}
|
||||
|
||||
|
|
@ -448,50 +447,59 @@ func (c *Cluster) syncStatefulSet() error {
|
|||
remainingPods = append(remainingPods, &pods[i])
|
||||
continue
|
||||
}
|
||||
c.restartInstance(&pod, restartWait)
|
||||
if err = c.restartInstance(&pod, restartWait); err != nil {
|
||||
c.logger.Errorf("%v", err)
|
||||
isSafeToRecreatePods = false
|
||||
}
|
||||
}
|
||||
|
||||
// in most cases only the master should be left to restart
|
||||
if len(remainingPods) > 0 {
|
||||
for _, remainingPod := range remainingPods {
|
||||
c.restartInstance(remainingPod, restartWait)
|
||||
if err = c.restartInstance(remainingPod, restartWait); err != nil {
|
||||
c.logger.Errorf("%v", err)
|
||||
isSafeToRecreatePods = false
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// if we get here we also need to re-create the pods (either leftovers from the old
|
||||
// statefulset or those that got their configuration from the outdated statefulset)
|
||||
if len(podsToRecreate) > 0 {
|
||||
c.logger.Debugln("performing rolling update")
|
||||
c.eventRecorder.Event(c.GetReference(), v1.EventTypeNormal, "Update", "Performing rolling update")
|
||||
if err := c.recreatePods(podsToRecreate, switchoverCandidates); err != nil {
|
||||
return fmt.Errorf("could not recreate pods: %v", err)
|
||||
if isSafeToRecreatePods {
|
||||
c.logger.Debugln("performing rolling update")
|
||||
c.eventRecorder.Event(c.GetReference(), v1.EventTypeNormal, "Update", "Performing rolling update")
|
||||
if err := c.recreatePods(podsToRecreate, switchoverCandidates); err != nil {
|
||||
return fmt.Errorf("could not recreate pods: %v", err)
|
||||
}
|
||||
c.eventRecorder.Event(c.GetReference(), v1.EventTypeNormal, "Update", "Rolling update done - pods have been recreated")
|
||||
} else {
|
||||
c.logger.Warningf("postpone pod recreation until next sync")
|
||||
}
|
||||
c.eventRecorder.Event(c.GetReference(), v1.EventTypeNormal, "Update", "Rolling update done - pods have been recreated")
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
func (c *Cluster) restartInstance(pod *v1.Pod, restartWait uint32) {
|
||||
func (c *Cluster) restartInstance(pod *v1.Pod, restartWait uint32) error {
|
||||
// if the config update requires a restart, call Patroni restart
|
||||
podName := util.NameFromMeta(pod.ObjectMeta)
|
||||
role := PostgresRole(pod.Labels[c.OpConfig.PodRoleLabel])
|
||||
|
||||
// if the config update requires a restart, call Patroni restart
|
||||
memberData, err := c.patroni.GetMemberData(pod)
|
||||
memberData, err := c.getPatroniMemberData(pod)
|
||||
if err != nil {
|
||||
c.logger.Debugf("could not get member data of %s pod %s - skipping possible restart attempt: %v", role, podName, err)
|
||||
return
|
||||
return fmt.Errorf("could not restart Postgres in %s pod %s: %v", role, podName, err)
|
||||
}
|
||||
|
||||
// do restart only when it is pending
|
||||
if memberData.PendingRestart {
|
||||
c.eventRecorder.Event(c.GetReference(), v1.EventTypeNormal, "Update", fmt.Sprintf("restarting Postgres server within %s pod %s", role, pod.Name))
|
||||
c.eventRecorder.Event(c.GetReference(), v1.EventTypeNormal, "Update", fmt.Sprintf("restarting Postgres server within %s pod %s", role, podName))
|
||||
if err := c.patroni.Restart(pod); err != nil {
|
||||
c.logger.Warningf("could not restart Postgres server within %s pod %s: %v", role, podName, err)
|
||||
return
|
||||
return err
|
||||
}
|
||||
time.Sleep(time.Duration(restartWait) * time.Second)
|
||||
c.eventRecorder.Event(c.GetReference(), v1.EventTypeNormal, "Update", fmt.Sprintf("Postgres server restart done for %s pod %s", role, pod.Name))
|
||||
c.eventRecorder.Event(c.GetReference(), v1.EventTypeNormal, "Update", fmt.Sprintf("Postgres server restart done for %s pod %s", role, podName))
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
// AnnotationsToPropagate get the annotations to update if required
|
||||
|
|
@ -620,11 +628,6 @@ func (c *Cluster) checkAndSetGlobalPostgreSQLConfiguration(pod *v1.Pod, effectiv
|
|||
return requiresMasterRestart, nil
|
||||
}
|
||||
|
||||
func (c *Cluster) getNextRotationDate(currentDate time.Time) (time.Time, string) {
|
||||
nextRotationDate := currentDate.AddDate(0, 0, int(c.OpConfig.PasswordRotationInterval))
|
||||
return nextRotationDate, nextRotationDate.Format("2006-01-02 15:04:05")
|
||||
}
|
||||
|
||||
func (c *Cluster) syncSecrets() error {
|
||||
|
||||
c.logger.Info("syncing secrets")
|
||||
|
|
@ -682,6 +685,11 @@ func (c *Cluster) syncSecrets() error {
|
|||
return nil
|
||||
}
|
||||
|
||||
func (c *Cluster) getNextRotationDate(currentDate time.Time) (time.Time, string) {
|
||||
nextRotationDate := currentDate.AddDate(0, 0, int(c.OpConfig.PasswordRotationInterval))
|
||||
return nextRotationDate, nextRotationDate.Format(time.RFC3339)
|
||||
}
|
||||
|
||||
func (c *Cluster) updateSecret(
|
||||
secretUsername string,
|
||||
generatedSecret *v1.Secret,
|
||||
|
|
@ -727,7 +735,7 @@ func (c *Cluster) updateSecret(
|
|||
|
||||
// initialize password rotation setting first rotation date
|
||||
nextRotationDateStr = string(secret.Data["nextRotation"])
|
||||
if nextRotationDate, err = time.ParseInLocation("2006-01-02 15:04:05", nextRotationDateStr, time.Local); err != nil {
|
||||
if nextRotationDate, err = time.ParseInLocation(time.RFC3339, nextRotationDateStr, currentTime.UTC().Location()); err != nil {
|
||||
nextRotationDate, nextRotationDateStr = c.getNextRotationDate(currentTime)
|
||||
secret.Data["nextRotation"] = []byte(nextRotationDateStr)
|
||||
updateSecret = true
|
||||
|
|
@ -736,7 +744,7 @@ func (c *Cluster) updateSecret(
|
|||
|
||||
// check if next rotation can happen sooner
|
||||
// if rotation interval has been decreased
|
||||
currentRotationDate, _ := c.getNextRotationDate(currentTime)
|
||||
currentRotationDate, nextRotationDateStr := c.getNextRotationDate(currentTime)
|
||||
if nextRotationDate.After(currentRotationDate) {
|
||||
nextRotationDate = currentRotationDate
|
||||
}
|
||||
|
|
@ -756,8 +764,6 @@ func (c *Cluster) updateSecret(
|
|||
*retentionUsers = append(*retentionUsers, secretUsername)
|
||||
}
|
||||
secret.Data["password"] = []byte(util.RandomPassword(constants.PasswordLength))
|
||||
|
||||
_, nextRotationDateStr = c.getNextRotationDate(nextRotationDate)
|
||||
secret.Data["nextRotation"] = []byte(nextRotationDateStr)
|
||||
|
||||
updateSecret = true
|
||||
|
|
|
|||
|
|
@ -270,13 +270,29 @@ func TestUpdateSecret(t *testing.T) {
|
|||
|
||||
clusterName := "acid-test-cluster"
|
||||
namespace := "default"
|
||||
username := "foo"
|
||||
dbname := "app"
|
||||
dbowner := "appowner"
|
||||
secretTemplate := config.StringTemplate("{username}.{cluster}.credentials")
|
||||
rotationUsers := make(spec.PgUserMap)
|
||||
retentionUsers := make([]string, 0)
|
||||
yesterday := time.Now().AddDate(0, 0, -1)
|
||||
|
||||
// new cluster with pvc storage resize mode and configured labels
|
||||
// define manifest users and enable rotation for dbowner
|
||||
pg := acidv1.Postgresql{
|
||||
ObjectMeta: metav1.ObjectMeta{
|
||||
Name: clusterName,
|
||||
Namespace: namespace,
|
||||
},
|
||||
Spec: acidv1.PostgresSpec{
|
||||
Databases: map[string]string{dbname: dbowner},
|
||||
Users: map[string]acidv1.UserFlags{"foo": {}, dbowner: {}},
|
||||
UsersWithInPlaceSecretRotation: []string{dbowner},
|
||||
Volume: acidv1.Volume{
|
||||
Size: "1Gi",
|
||||
},
|
||||
},
|
||||
}
|
||||
|
||||
// new cluster with enabled password rotation
|
||||
var cluster = New(
|
||||
Config{
|
||||
OpConfig: config.Config{
|
||||
|
|
@ -291,44 +307,61 @@ func TestUpdateSecret(t *testing.T) {
|
|||
ClusterNameLabel: "cluster-name",
|
||||
},
|
||||
},
|
||||
}, client, acidv1.Postgresql{}, logger, eventRecorder)
|
||||
}, client, pg, logger, eventRecorder)
|
||||
|
||||
cluster.Name = clusterName
|
||||
cluster.Namespace = namespace
|
||||
cluster.pgUsers = map[string]spec.PgUser{}
|
||||
cluster.Spec.Users = map[string]acidv1.UserFlags{username: {}}
|
||||
cluster.initRobotUsers()
|
||||
|
||||
// create a secret for user foo
|
||||
// create secrets
|
||||
cluster.syncSecrets()
|
||||
// initialize rotation with current time
|
||||
cluster.syncSecrets()
|
||||
|
||||
secret, err := cluster.KubeClient.Secrets(namespace).Get(context.TODO(), secretTemplate.Format("username", username, "cluster", clusterName), metav1.GetOptions{})
|
||||
assert.NoError(t, err)
|
||||
generatedSecret := cluster.Secrets[secret.UID]
|
||||
dayAfterTomorrow := time.Now().AddDate(0, 0, 2)
|
||||
|
||||
// now update the secret setting next rotation date (yesterday + interval)
|
||||
cluster.updateSecret(username, generatedSecret, &rotationUsers, &retentionUsers, yesterday)
|
||||
updatedSecret, err := cluster.KubeClient.Secrets(namespace).Get(context.TODO(), secretTemplate.Format("username", username, "cluster", clusterName), metav1.GetOptions{})
|
||||
assert.NoError(t, err)
|
||||
for username := range cluster.Spec.Users {
|
||||
pgUser := cluster.pgUsers[username]
|
||||
|
||||
nextRotation := string(updatedSecret.Data["nextRotation"])
|
||||
_, nextRotationDate := cluster.getNextRotationDate(yesterday)
|
||||
if nextRotation != nextRotationDate {
|
||||
t.Errorf("%s: updated secret does not contain correct rotation date: expected %s, got %s", testName, nextRotationDate, nextRotation)
|
||||
}
|
||||
// first, get the secret
|
||||
secret, err := cluster.KubeClient.Secrets(namespace).Get(context.TODO(), secretTemplate.Format("username", username, "cluster", clusterName), metav1.GetOptions{})
|
||||
assert.NoError(t, err)
|
||||
secretPassword := string(secret.Data["password"])
|
||||
|
||||
// update secret again but use current time to trigger rotation
|
||||
cluster.updateSecret(username, generatedSecret, &rotationUsers, &retentionUsers, time.Now())
|
||||
updatedSecret, err = cluster.KubeClient.Secrets(namespace).Get(context.TODO(), secretTemplate.Format("username", username, "cluster", clusterName), metav1.GetOptions{})
|
||||
assert.NoError(t, err)
|
||||
// now update the secret setting a next rotation date (tomorrow + interval)
|
||||
cluster.updateSecret(username, secret, &rotationUsers, &retentionUsers, dayAfterTomorrow)
|
||||
updatedSecret, err := cluster.KubeClient.Secrets(namespace).Get(context.TODO(), secretTemplate.Format("username", username, "cluster", clusterName), metav1.GetOptions{})
|
||||
assert.NoError(t, err)
|
||||
|
||||
if len(rotationUsers) != 1 && len(retentionUsers) != 1 {
|
||||
t.Errorf("%s: unexpected number of users to rotate - expected only foo, found %d", testName, len(rotationUsers))
|
||||
}
|
||||
// check that passwords are different
|
||||
rotatedPassword := string(updatedSecret.Data["password"])
|
||||
if secretPassword == rotatedPassword {
|
||||
t.Errorf("%s: password unchanged in updated secret for %s", testName, username)
|
||||
}
|
||||
|
||||
secretUsername := string(updatedSecret.Data["username"])
|
||||
rotatedUsername := username + time.Now().Format("060102")
|
||||
if secretUsername != rotatedUsername {
|
||||
t.Errorf("%s: updated secret does not contain correct username: expected %s, got %s", testName, rotatedUsername, secretUsername)
|
||||
// check that next rotation date is tomorrow + interval, not date in secret + interval
|
||||
nextRotation := string(updatedSecret.Data["nextRotation"])
|
||||
_, nextRotationDate := cluster.getNextRotationDate(dayAfterTomorrow)
|
||||
if nextRotation != nextRotationDate {
|
||||
t.Errorf("%s: updated secret of %s does not contain correct rotation date: expected %s, got %s", testName, username, nextRotationDate, nextRotation)
|
||||
}
|
||||
|
||||
// compare username, when it's dbowner they should be equal because of UsersWithInPlaceSecretRotation
|
||||
secretUsername := string(updatedSecret.Data["username"])
|
||||
if pgUser.IsDbOwner {
|
||||
if secretUsername != username {
|
||||
t.Errorf("%s: username differs in updated secret: expected %s, got %s", testName, username, secretUsername)
|
||||
}
|
||||
} else {
|
||||
rotatedUsername := username + dayAfterTomorrow.Format("060102")
|
||||
if secretUsername != rotatedUsername {
|
||||
t.Errorf("%s: updated secret does not contain correct username: expected %s, got %s", testName, rotatedUsername, secretUsername)
|
||||
}
|
||||
|
||||
if len(rotationUsers) != 1 && len(retentionUsers) != 1 {
|
||||
t.Errorf("%s: unexpected number of users to rotate - expected only %s, found %d", testName, username, len(rotationUsers))
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -98,7 +98,7 @@ COST_MEMORY = 30.5 * 24 * float(getenv('COST_MEMORY', 0.014375)) # Memory GB m5
|
|||
|
||||
WALE_S3_ENDPOINT = getenv(
|
||||
'WALE_S3_ENDPOINT',
|
||||
'https+path://s3-eu-central-1.amazonaws.com:443',
|
||||
'https+path://s3.eu-central-1.amazonaws.com:443',
|
||||
)
|
||||
|
||||
USE_AWS_INSTANCE_PROFILE = (
|
||||
|
|
|
|||
Loading…
Reference in New Issue