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Improve rolling upgrades and rolling upgrade continue (#1341)

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* add TODOs for moving rooling update label on pods
* steer rolling update via pod annotation
* rename patch method and fix reading flag on sync
* pass only pods to recreatePods function
* do not take address of iterator if you use it later
* add e2e test and pass switchover targets to recreatePods
* add wait_for_pod_failover for e2e test
* add one more e2e test case
* helm chart remove 1.6.0 archive from 1.6.0 archive
* reflect code review feedback
This commit is contained in:
Felix Kunde
2021-02-26 15:38:58 +01:00
committed by GitHub
parent e837751ae0
commit ff8143770c
8 changed files with 330 additions and 169 deletions
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e2e/tests/k8s_api.py
+12 -10
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@@ -211,7 +211,7 @@ class K8s:
self.wait_for_logical_backup_job(expected_num_of_jobs=1)
def delete_operator_pod(self, step="Delete operator pod"):
# patching the pod template in the deployment restarts the operator pod
# patching the pod template in the deployment restarts the operator pod
self.api.apps_v1.patch_namespaced_deployment("postgres-operator", "default", {"spec": {"template": {"metadata": {"annotations": {"step": "{}-{}".format(step, time.time())}}}}})
self.wait_for_operator_pod_start()
@@ -219,8 +219,8 @@ class K8s:
self.api.core_v1.patch_namespaced_config_map("postgres-operator", "default", config_map_patch)
self.delete_operator_pod(step=step)
def patch_statefulset(self, data, name="acid-minimal-cluster", namespace="default"):
self.api.apps_v1.patch_namespaced_stateful_set(name, namespace, data)
def patch_pod(self, data, pod_name, namespace="default"):
self.api.core_v1.patch_namespaced_pod(pod_name, namespace, data)
def create_with_kubectl(self, path):
return subprocess.run(
@@ -280,19 +280,21 @@ class K8s:
return None
return pod.items[0].spec.containers[0].image
def get_cluster_leader_pod(self, pg_cluster_name, namespace='default'):
labels = {
'application': 'spilo',
'cluster-name': pg_cluster_name,
'spilo-role': 'master',
}
def get_cluster_pod(self, role, labels='application=spilo,cluster-name=acid-minimal-cluster', namespace='default'):
labels = labels + ',spilo-role=' + role
pods = self.api.core_v1.list_namespaced_pod(
namespace, label_selector=to_selector(labels)).items
namespace, label_selector=labels).items
if pods:
return pods[0]
def get_cluster_leader_pod(self, labels='application=spilo,cluster-name=acid-minimal-cluster', namespace='default'):
return self.get_cluster_pod('master', labels, namespace)
def get_cluster_replica_pod(self, labels='application=spilo,cluster-name=acid-minimal-cluster', namespace='default'):
return self.get_cluster_pod('replica', labels, namespace)
class K8sBase:
'''