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Re-create pods only if all replicas are running (#903)

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* adds a Get call to Patroni interface to fetch state of a Patroni member
* postpones re-creating pods if at least one replica is currently being created  

Co-authored-by: Sergey Dudoladov <sergey.dudoladov@zalando.de>
Co-authored-by: Felix Kunde <felix-kunde@gmx.de>
This commit is contained in:
Sergey Dudoladov
2020-04-20 15:14:11 +02:00
committed by GitHub
co-authored by Sergey Dudoladov Felix Kunde
parent 5014eebfb2
commit 3c91bdeffa
4 changed files with 67 additions and 5 deletions
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e2e/tests/test_e2e.py
+5 -4
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@@ -344,7 +344,6 @@ class EndToEndTestCase(unittest.TestCase):
'''
k8s = self.k8s
cluster_label = 'application=spilo,cluster-name=acid-minimal-cluster'
labels = 'spilo-role=master,' + cluster_label
readiness_label = 'lifecycle-status'
readiness_value = 'ready'
@@ -709,14 +708,16 @@ class K8s:
def wait_for_logical_backup_job_creation(self):
self.wait_for_logical_backup_job(expected_num_of_jobs=1)
def update_config(self, config_map_patch):
self.api.core_v1.patch_namespaced_config_map("postgres-operator", "default", config_map_patch)
def delete_operator_pod(self):
operator_pod = self.api.core_v1.list_namespaced_pod(
'default', label_selector="name=postgres-operator").items[0].metadata.name
self.api.core_v1.delete_namespaced_pod(operator_pod, "default") # restart reloads the conf
self.wait_for_operator_pod_start()
def update_config(self, config_map_patch):
self.api.core_v1.patch_namespaced_config_map("postgres-operator", "default", config_map_patch)
self.delete_operator_pod()
def create_with_kubectl(self, path):
return subprocess.run(
["kubectl", "create", "-f", path],